Office Action 2: Notice of Allowance (2025-06-24)

CLAIMS:
Amendments to the Claims:

This listing of claims will replace all prior versions, and listings, of claims in the application:

1\. (currently amended) A neck fan, comprising:
afirst fan main body, wherein the first fan main body comprises an arc-shaped first main body portion, and a first air guide path positioned on an inner side of the first main body portion and extended along an extending direction of the first main body portion;\[\[and\]\] a second fan main body connected to the first fan main body, wherein the second fan main body comprises an arc-shaped second main body portion, and a second air guide path positioned on an inner side of the second main body portion and extended along an extending direction ofthe second main body portion: and a flexible connection portion:
wherein the first fan main body and the second fan main body are configured to blow air towards a user respectively, the first fan main body and the second fan main body are respectively provided with a control switch, and the control switch is configured to control an operation of the first fan main body and/or the second fan main body;
wherein the flexible connection portion is provided with at least one installation hole, the at least one installation hole is configured to be sleeved and fixed on one end of the first fan main body and one end of the second fan main body, so that the first fan main body and the second fan main body are connected through the flexible connection portion, and the flexible connection member further comprises at least one neck support portion, the at least one neck support portion is connected to an inner side of the flexible connection portion adjacent to a user's neck, and protrudes from

each of the first main body portion, the first air guide path, the second main body portion and the second air guide path, and at least one air inlet gap is formed between the at least one neck support portion and the first fan main body or the second fan main body.

2\. (currently amended) The neck fan according to claim 1, wherein the second fan main body and the first fan main body are oppositely arranged and are respectively positioned on two sides of the user's neck; and the second fan main body and the first fan main body are the same.

3\. (currently amended) The neck fan according to claim 1, wherein the first fan main body further comprises a first fan assembly, and a first power supply assemblyand the control switch comprises a first switch, the first main body portion is provided with a first mounting cavity, the first power supply assembly is arranged within the first mounting cavity and is electrically connected to the first fan assembly, the first power supply assembly comprises a first battery and a first circuit board, the first switch and the first battery are electrically connected to the first circuit board, the first circuit board is provided with a first main control module, the first switch is mounted on the first main body portion and is electrically connected to the first main control module, and the first switch is configured to turn on or turn off the first fan assembly.

4\. (original) The neck fan according to claim 3, wherein the first fan main body further comprises a first charging interface and a first charging control module, and the first charging interface and the first charging control module are configured to charge the first battery; the first fan main body further comprises a first status indication module, and the first status indication module is configured to display at least one of a startup status, a shutdown status, a charging status, and an output wind level of the first fan main body or the neck fan.

5\. (original) The neck fan according to claim 3, wherein the first fan main body further comprises a first battery protection module, the first battery protection module is electrically connected to the first main control module and the first charging control module, and is configured to perform charging protection for the first battery.

6\. (currently amended) The neck fan according to claim 3,wherein the first switch comprises a stepless adjustment key configured to perform stepless adjustment

and control the rotation speed of the first fan main body; and the stepless adjustment key is a potentiometer with variable electric resistance or an encoder, and wherein the stepless adjustment key comprises a plurality of connection terminals and at least one adjustment pin,one of the plurality of connection terminals is grounded, and at least one adjustment pin is configured for the user to operate so that the other connection terminals output corresponding stepless adjustment signals.

7\. (canceled)

8\. (original) The neck fan according to claim 3, wherein the first fan main body further comprises a first boost module; the first switch is configured to send out a first fan working signal; the first main control module, when receiving the first fan working signal, is configured to drive the first boost module to receive and boost the output voltage of the first battery, thereby driving the first fan assembly to operate;
and the first main control module is also configured to control the output voltage of the first boost module to achieve control over the rotation speed of the first fan assembly.

9\. (original) The neck fan according to claim 8, wherein the first boost module comprises an inductor and a switching element, a control terminal of a MCU of the first main control module is connected to a control terminal of the switching element, afirst conducting terminal of the switching element is connected to the first battery via the inductor, a second conducting terminal of the switching element is grounded, the first conducting terminal of the switching element is connected to the first fan assembly, the MCU of the first main control module controls theon - off state of the switching element, thereby controlling the voltage from the first battery to be boosted through the inductor, and provides the boosted voltage to the first fan assembly to drive the first fan assembly to blow air.

10\. (currently amended) The neck fan according to claim 8, wherein the second fan main body further comprises a second fan assembly,and a second power supply assembly, and the control switch further comprises a second switch, the second power supply assembly comprises a second battery and a second circuit board, the second switch and the second battery are electrically connected to the second circuit board, the second circuit board is provided with a second main control module, the second switch is mounted on the second main body portion and is electrically connected to the second main control module, the second

switch is configured to turn on or turn off the second fan main body, the second fan main body further comprises a second boost module, the second switch is configured to send out a second fan working signal, the second main control module, when receiving the second fan working signal, is configured to drive the second boost module to receive and boost the output voltage of the second battery, thereby driving the second fan assembly to operate, and the second main control module is also configured to control the output voltage of the second boost module to achieve control over the rotation speed of the second fan assembly.

11\. (original) The neck fan according to claim 10, wherein the first main body portion is provided with a first conductive end, the second main body portion is provided with a second conductive end, when the first fan main body and the second fan main body are connected together, consequently, the first conductive end is communicated with the second conductive end, the first switch is electrically connected to the first main control module and the second main control module respectively, and the second switch is also electrically connected to the first main control module and the second main control module respectively, such that at least one of the first switch and the second switch can send out a third fan working signal;
the first main control module is configured to receive the third fan working signal and drive the first boost module to boost the output voltage of the first battery, thereby driving the first fan assembly to operate, and the second main control module is configured to receive the third fan working signal and drive the second boost module to boost the output voltage of the second battery, thereby driving the second fan assembly to operate.

12\. (canceled).

13\. (currently amended) The neck fan according to claim \[\[12\]\]1, wherein the first fan main body and the second fan main body are manufactured independently and then detachably connected, so that the first fan main body and the second fan main body are able to operate and be used independently.

14\. (canceled).

15\. (currently amended) The neck fan according to claim \[\[14\]\]13, wherein an inner sidewall of the at least one installation hole is provided with a first anti-detachment structure and a second anti-detachment structure, the first anti-detachment structure is configured to engage with a first buckle on an outer

surface of one end of the first fan main body, the second anti-detachment structure is configured to engage with a second buckle on one end of the second fan main body, and at least one of the first anti-detachment structure and the first buckle is provided with a plurality of concave-convex structures arranged in sequence along an extending direction of the connection member.

16\. (original) The neck fan according to claim 15, wherein the first anti-detachment structure comprises a plurality of first buckle slots arranged along an extending direction of the connection member, the plurality of first buckle slots are configured to engage with a plurality of protrusions arranged along an extending direction of the first buckle; the second anti-detachment structure comprises a plurality of second buckle slots arranged along the extending direction, the plurality of second buckle slots are configured to engage with a plurality of protrusions arranged along an extending direction of the second buckle; the first anti-detachment structure is configured to be detachably connected with the first buckle, and the second anti-detachment structure is configured to be detachably connected with the second buckle; the flexible connection portion is also provided with a first fixing structure and a second fixing structure, the first fixing structure and the second fixing structure are respectively arranged at two ends of the flexible connection portion, the first fixing structure is configured to connect with a third fixing structure at one end of the first fan main body, and the second fixing structure is configured to connect with a fourth fixing structure at one end of the second fan main body; the first fixing structure is configured to be detachably connected with the third fixing structure, and the second fixing structure is configured to be detachably connected with the fourth fixing structure.

17\. (canceled).

18\. (currently amended) The neck fan according to claim 3, wherein the first fan assembly is arranged at one end of the first main body portion and is configured to blow air towards the first air guide path, and the first air guide path is configured to guide air of the first fan assembly to one side of the first main body portion and one end of the first main body portion

away from the first fan assembly.

19\. (original) The neck fan according to claim 18,wherein the first fan assembly comprises a first fan shell, a first motor, and a first fan blade mounted on a rotating shaft of the first motor, the first motor and the first fan blade are arranged within the first fan shell; the first fan shell comprises a shell main body and an air outlet hood, the air outlet hood is arranged on one side of the shell main body; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings, a plurality of air outlet holes are formed among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out.

20\. (original) The neck fan according to claim 19,wherein the inner side surface of the annular wall structure is an inclined surface or an arc-shaped surface, so that an inner diameter of the annular wall structure gradually decreases along a direction from the shell main body to the air outlet hood; the shell main body comprises an annularly arranged sidewall structure, an mounting portion positioned at one end inside the sidewall structure and an air guiding portion connected between the mounting portion and the sidewall structure, the air guiding portion comprises a plurality of air guiding blades arranged at intervals and is configured to guide wind from the first fan blade based on a preset direction, the first fan blade and the first motor are arranged within the sidewall structure and are positioned on one side of the mounting portion, and the first motor is mounted on the mounting portion; the first fan shell further comprises a metal barrier net, the metal barrier net is arranged on one side of the sidewall structure away from the air outlet hood, the metal barrier net is made of metal material and is provided with a plurality of air inlet holes, and an inner diameter of each air inlet holes ranges from 0.5 mm to 4 mm; the air inlet hole is in a regular hexagon shape, a surrounding wall is arranged between two adjacent air inlet holes, and a width of the surrounding wall ranges from 0.05 mm to 2 mm.
21\. (new) A neck fan, comprising:
afirst fan main body, wherein the first fan main body comprises an arc-shaped first main body portion, and a first air guide path positioned on an inner side of the first main body portion and extended along an extending direction of the first main body

portion;
a second fan main body connected to the first fan main body, wherein the second fan main body comprises an arc-shaped second main body portion, and a second air guide path positioned on an inner side of the second main body portion and extended along an extending direction of the second main body portion; and
a connection portion, wherein the connection portion is provided with at least one installation hole, the at least one installation hole is configured to be sleeved and fixed on one end of the first fan main body and one end of the second fan main body, so that the first fan main body and the second fan main body are connected through the connection portion;
wherein the first main body portion comprises a first outer shell and a first inner shell detachably connected to first outer shell, the first air guide path is arranged in the first inner shell, and a first air blowing opening is formed at one end of the first inner shell; the second main body portion comprises a second outer shell and a second inner shell detachably connected to second outer shell, the second air guide path is arranged in the second inner shell, and a second air blowing opening is formed at one end of the second inner shell, wherein part of air flow is discharged from first air blowing opening and the second air blowing opening, and part of air flow blows towards the connection portion along the first air guide path and the second air guide path.

22\. (new) A neck fan, comprising:
afirst fan main body, wherein the first fan main body comprises an arc-shaped first main body portion, and an arc-shaped first air guide path positioned on an inner side of the first main body portion and extended along an extending direction of the first main body portion; and
a second fan main body, wherein the first fan main body and the second fan main body are manufactured independently and then detachably connected, and the second fan main body comprises an arc-shaped second main body portion, and an arc-shaped second air guide path positioned on an inner side of the second main body portion and extended along an extending direction of the second main body portion; and Page 10 of 20

wherein the first fan main body further comprises a first fan assembly, the first fan assembly comprises a first fan shell, a first motor, and a first fan blade mounted on a rotating shaft of the first motor, the first motor and the first fan blade are arranged within the first fan shell, the first fan assembly is arranged at one end of the first main body portion and is configured to blow air towards the first air guide path, and the first air guide path is configured to guide air of the first fan assembly to one side of the first main body portion and one end of the first main body portion away from the first fan assembly;
wherein the second fan main body further comprises a second fan assembly, the second fan assembly comprises a second fan shell, a second motor, and a second fan blade mounted on a rotating shaft of the second motor, the second motor and the second fan blade are arranged within the second fan shell, the second fan assembly is arranged at one end of the second main body portion and is configured to blow air towards the second air guide path, and the second air guide path is configured to guide air of the second fan assembly to one side of the second main body portion and one end of the second main body portion away from the second fan assembly; and
wherein a plurality of first connection buckle slots are provided in an inner side of the first main body portion, a plurality of first connection buckles matched with the first connection buckle slots are arranged on an outer wall of the first fan shell, thereby the first fan shell is in detachably buckled connection to the first main body portion by the first connection buckles; and a plurality of second connection buckle slots are provided in an inner side of the second main body portion, a plurality of second connection buckles matched with the second connection buckle slots are arranged on an outer wall of the second fan shell, thereby the second fan shell is in detachably buckled connection to the second main body portion by the second connection buckles.

23\. (new) The neck fan according to claim 22,wherein each of the first fan shell and the second fan shell comprises a shell main body and an air outlet hood, the air outlet hood is arranged on one side of the shell main body; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings, a plurality of air outlet holes are formed among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind

Reply to Office Action of: March 18, 2025 Attorney Docket No.: 5642/YAYI-US-IP-0596 from the shell main body and then blow it out.

OFFICE ACTION:
Notice of Pre-AIA  or AIA  Status
The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA .
Application Status
This communication is in response to the Amendment and Request for Reconsideration filed 21 May 2025. Claims 1-6, 8-11, 13, 15, 16 and 18-23 are pending in the application. Claims 1-3, 6, 10, 13, 15 and 18 have been amended. Claims 7, 12, 14 and 17 are cancelled. Claims 21-23 are new.
The claim objections are hereby withdrawn in light of Applicant's amendments.
The 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph rejections are hereby withdrawn in light of the amendments to the claims.
The 35 U.S.C. 101 statutory double patenting rejections have been overcome due to the amendments to the claims because the claims are no longer identical to the claims presented in co-pending application no. 19/010,416.
Terminal Disclaimer
The terminal disclaimer filed on 21 May 2025 disclaiming the terminal portion of any patent granted on this application which would extend beyond the expiration date of any patent issued in co-pending application no. 19/010,416  has been reviewed and is accepted.  Note however that terminal disclaimer filing itself DID NOT overcome the double patenting rejections because it cannot overcome a statutory double patenting rejection over 35 U.S.C.101.
EXAMINER'S AMENDMENT
An examiner’s amendment to the record appears below. Should the changes and/or additions be unacceptable to applicant, an amendment may be filed as provided by 37 CFR 1.312. To ensure consideration of such an amendment, it MUST be submitted no later than the payment of the issue fee.
Authorization for this examiner’s amendment was provided by Alex Hu on 9 June 2025 via voice mail.
The application has been amended as follows:
IN THE CLAIMS
In claim 1, line 20, “the connection member” has been replaced with --the connection portion--.
In claim 6, line 3, the phrase “control the rotation speed of the first main body” has been replaced with --control rotation speed of the first fan assembly--.
In claim 10, line 9, the phase “turn on and off the second fan main body” has been replaced with --turn on and off the second fan assembly--.
In claim 23, line 7, “pressurize wind” has been replaced with --pressurize air--1
Reasons for Allowance
The following is an examiner’s statement of reasons for allowance:
Claims 1, 21 and 22 and dependents are allowable for the reasons set forth on pp. 14-19 of the remarks filed with the response. The response hereby incorporated into these reasons for allowance
Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee.  Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.”
Conclusion

APPLICANT REBUTTAL: REMARKSClaims 1, 2-3, 6, 10, 13, 15 and 18 are amended. Claims 7, 12, 14 and 17 are canceled without prejudice. New claim 21-23 are added.The amendment can be supported at original claims, specification and drawings, example in FIG. 3. No new matter is added by this Response.Applicant respectfully requests reconsideration and allowance of the pending claims in view of the following remarks. As Applicant's remarks with respect to the Examiner's rejections are sufficient to overcome these rejections, Applicant's silence as to assertions by the Examiner in the Office Action or certain requirements that may be applicable to such rejections is not a concession by Applicant that such assertions are accurate or such requirements have been met, and Applicant reserves the right to analyze and dispute such in the future.Claim Objections Claims 2 and 17 are objected to because of informalities.In response, claim 1 is amended, thus the user's neck in claim has the basis; and claim 17 is canceled.Claim Rejections- 35 USC § 112 (1) Claims 2-10 and 18-20 are rejected under 35 U.S.C. 112(b) or 35 U.S.C.112(pre-AIA), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor regards as the invention.In response, claims 2-3 are amended.Double Patenting Claims 1-20 are provisionally rejected as claiming the same invention as that of claims 1-20 of copending Application NO.19/010, 416.In response, the Terminal Disclaimer will be filed if all of the claims of present application are indicated to be allowable.Claim Rejections- 35 USC § 102 (1) Claims 1-3, 12-14, 17 and 18 are rejected under 35 U.S.C. § 102 (a)(1) as being anticipated by Lee (US 2017/0370596).Claim Rejections- 35 USC § 103 (1) Claims 4, 6 and 7 are rejected under 35 U.S.C. § 103(a) as being unpatentable over Lee (US 2017/0370596) in view of Zheng (US2024/0229809).(2) Claims 8-10 is rejected under 35 U.S.C. § 103(a) as being unpatentable over Lee (US 2017/0370596) in view of Dishman et al. (US2010/0164421).(3) Claim 19 is rejected under 35 U.S.C. § 103(a) as being unpatentable over Lee (US 2017/0370596) in view of Ji (US 2023/0006512).(4) Claim 20 is rejected under 35 U.S.C. § 103(a) as being unpatentable over Lee (US 2017/0370596) in view of Ji (US 2023/0006512), and in view of Pille et al. (US 2021/0190344).In re independent claim 1:Claim 1 is amended, and amended claim 1 has at least the following distinguishing features:"the flexible connection member further comprises at least one neck support portion, the at least one neck support portion is connected to an inner side of the flexible connection portion adjacent to a user's neck, and protrudes from each of the first main body portion, the first air guide path, the second main body portion and the second air guide path, and at least one air inlet Zap is formed between the at least one neck support portion and the first fan main body or the second fan main body "(emphasis added).With the above configuration, the at least one neck support portion protrudes from each of the first main body portion, the first air guide path, the second main body portion and the second air guide path, and at least one air inlet gap is formed between the at least one neck support portion and the first fan main body or the second fan main body, such that "air flow will be blown towards the inner end portion 11 along the first air guide path 12. Due to the first air inlet gap 121, the air flow can be blocked in the gap, so that when a user wears the neck fan, the user can have a stronger feeling about the air flow at the inner end portion 11" (paragraph 0062).Regarding Lee, it discloses a neck fan only has air inlets at two ends thereof, and has a plurality of holes H2 along the inner surface thereof, see paragraph 0056 of Lee, "the wind, which is introduced from the wind generation part 30 into the necklace part 10, is discharged toward the wearer's neck through the plurality of wind blowing holes H2". That is, the holes H2 are air outlets.Secondly, The holes H2 are formed in the casing C2, the casing C2 is only an air guide path, there is no at least one neck support portion protruding therefrom, and there is no at least one air inlet gap formed between the at least one neck support portion and the first fan main body or the second fan main body, as recited in amended claim 1.''ti, FIGs. 1 and 4 of Lee For at least the above reasons, Lee fails to disclose, teach or suggest the above distinguishing features, as recited in amended claim 1.Therefore, it is submitted that amended claim 1 is novel and patentable over Lee under 35 U.S.C.§102, or even under 35 U.S.C.§103. Other cited references cannot overcome   the  shortcoming  of Lee, thus    Applicant respectfully  requests reconsideration and withdrawal of the rejection of amended claim 1 and dependent claims 2-13, 15-16 and 18-20.In re new claim 21:New claim 21 has at least the following distinguishing features:"wherein the first main body portion comprises a first outer shell and a first inner shell detachably connected to first outer shell, the first air guide path is arranged in the first inner shell, and a first air blowing opening is formed at one end of the first inner shell; the second main body portion comprises a second outer shell and a second inner shell detachably connected to second outer shell, the second air guide path is arranged in the second inner shell, and a second air blowing opening is formed at one end of the second inner shell, wherein part of air flow is discharged from first air blowing opening and the second air blowing opening, and part of air flow blows towards the connection portion along the first air guide path and the second air guide path" (emphasis added).With the above configuration, part of air flow is discharged from first air blowing opening and the second air blowing opening (see the red arrow below), and part of air flow blows towards the flexible connection portion along the first air guide path and the second air guide path (see the green arrow below).r.JV   t   .'  .
"N r-~ F
F2 81- FIG. 3 of present application Lee, alone or in view of other cited references fails to disclose, teach or suggest the above distinguishing features, as recited in new claim 21. That is, new claim 21 should be patentable.In re new claim 22:New claim 22 has at least the following distinguishing features A and B:A: "wherein the first fan main body comprises an arc-shaped first main body portion, and an arc-shaped first air guide path positioned on an inner side of the first main body portion and extended along an extending direction of the first main body portion...the second fan main body comprises an arc-shaped second main body portion, and an arc-shaped second air guide path positioned on an inner side of the second main body portion and extended along an extending direction of the second main body portion" (emphasis added).B: "wherein a plurality of first connection buckle slots are provided in an inner side of the first main body portion, a plurality of first connection buckles matched with the first connection buckle slots are arranged on an outer wall of the first fan shell, thereby the first fan shell is in detachably buckled connection to the first main body portion by the first connection buckles; and a plurality of second connection buckle slots are provided in an inner side of the second main body portion, a plurality of second connection buckles matched with the second connection buckle slots are arranged on an outer wall of the second fan shell, thereby the second fan shell is in detachably buckled connection to the second main body portion by the second connection buckles" (emphasis added).With the above configuration, there are an arc-shaped first air guide path and an arc-shaped second air uide path, the first air guide path and second air guide path are independently positioned in the first main body portion and second main body portion, and the first fan assembly and second fan assembly are in detachably buckled connection to the first main body portion and second main body portion respectively.Lee, alone or in view of other cited references fails to disclose, teach or suggest the above distinguishing features, as recited in new claim 22. That is, new claim 22 and its dependent claims 23 should be patentable.Allowable Subject Matter Claim 11, 15 and 16 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims.In response, Examiner is thanked, and as claim 1 is amended, and it is believed that amended claim 1 is allowable, claim 11, 15 and 16 should also be allowable in their dependent form.CONCLUSIONIn view of the above, the undersigned representative respectfully submits that the foregoing Amendment and Response places this application in condition for allowance and a Notice to that effect is earnestly solicited. If Examiner believes that there are any issues that can be resolved by a telephone conference, or that there are any informalities that can be corrected by an Examiner's amendment, please call the undersigned representative at the number given below.The undersigned representative requests any extension of time that may be deemed necessary to further the prosecution of this application.Respectfully, By /Alex Hu/ Alex Hu Reg. No. 77909 4000 Legato Road Suite 1100 Fairfax, VA 22033


CITED REFERENCE SUMMARIES: Ref APP-19_010416: Claims:
A neck fan, comprising: a first fan main body; and a second fan main body connected to the first fan main body, wherein the first fan main body and the second fan main body are configured to blow air towards a user respectively, the first fan main body and the second fan main body are respectively provided with a control switch, and the control switch is configured to control an operation of the first fan main body and/or the second fan main body; wherein the first fan main body comprises a first main body portion, a first fan assembly, and a first power supply assembly, and the control switch comprises a first switch, the first main body portion is provided with a first mounting cavity, the first power supply assembly is arranged within the first mounting cavity and is electrically connected to the first fan assembly, the first power supply assembly comprises a first battery and a first circuit board, the first switch and the first battery are electrically connected to the first circuit board, the first circuit board is provided with a first main control module, the first switch is mounted on the first main body portion and is electrically connected to the first main control module, and the first switch is configured to turn on or turn off the first fan assembly; wherein the first fan main body further comprises a first boost module; wherein the second fan main body comprises a second main body portion, a second fan assembly, and a second power supply assembly, and the control switch further comprises a second switch, the second power supply assembly comprises a second battery and a second circuit board, the second switch and the second battery are electrically connected to the second circuit board, the second circuit board is provided with a second main control module, the second switch is mounted on the second main body portion and is electrically connected to the second main control module, the second switch is configured to turn on or turn off the second fan main body, the second fan main body further comprises a second boost module; and wherein the first main body portion is provided with a first conductive end, the second main body portion is provided with a second conductive end, when the first fan main body and the second fan main body are connected together, consequently, the first conductive end is communicated with the second conductive end, the first switch is electrically connected to the first main control module and the second main control module respectively, and the second switch is also electrically connected to the first main control module and the second main control module respectively, such that at least one of the first switch and the second switch can send out a fan working signal; the first main control module is configured to receive the fan working signal and drive the first boost module to boost the output voltage of the first battery, thereby driving the first fan assembly to operate, and the second main control module is configured to receive the fan working signal and drive the second boost module to boost the output voltage of the second battery, thereby driving the second fan assembly to operate.
a first fan main body; and
a second fan main body connected to the first fan main body,
wherein the first fan main body and the second fan main body are configured to blow air towards a user respectively, the first fan main body and the second fan main body are respectively provided with a control switch, and the control switch is configured to control an operation of the first fan main body and/or the second fan main body;
wherein the first fan main body comprises a first main body portion, a first fan assembly, and a first power supply assembly, and the control switch comprises a first switch, the first main body portion is provided with a first mounting cavity, the first power supply assembly is arranged within the first mounting cavity and is electrically connected to the first fan assembly, the first power supply assembly comprises a first battery and a first circuit board, the first switch and the first battery are electrically connected to the first circuit board, the first circuit board is provided with a first main control module, the first switch is mounted on the first main body portion and is electrically connected to the first main control module, and the first switch is configured to turn on or turn off the first fan assembly;
wherein the first fan main body further comprises a first boost module;
wherein the second fan main body comprises a second main body portion, a second fan assembly, and a second power supply assembly, and the control switch further comprises a second switch, the second power supply assembly comprises a second battery and a second circuit board, the second switch and the second battery are electrically connected to the second circuit board, the second circuit board is provided with a second main control module, the second switch is mounted on the second main body portion and is electrically connected to the second main control module, the second switch is configured to turn on or turn off the second fan main body, the second fan main body further comprises a second boost module; and
wherein the first main body portion is provided with a first conductive end, the second main body portion is provided with a second conductive end, when the first fan main body and the second fan main body are connected together, consequently, the first conductive end is communicated with the second conductive end, the first switch is electrically connected to the first main control module and the second main control module respectively, and the second switch is also electrically connected to the first main control module and the second main control module respectively, such that at least one of the first switch and the second switch can send out a fan working signal; the first main control module is configured to receive the fan working signal and drive the first boost module to boost the output voltage of the first battery, thereby driving the first fan assembly to operate, and the second main control module is configured to receive the fan working signal and drive the second boost module to boost the output voltage of the second battery, thereby driving the second fan assembly to operate.
The neck fan according to claim 1, wherein the second fan main body and the first fan main body are oppositely arranged and are configured to be positioned on two sides of the user's neck; and the second fan main body and the first fan main body are the same.
The neck fan according to claim 1, wherein the first fan main body further comprises a first charging interface and a first charging control module, and the first charging interface and the first charging control module are configured to charge the first battery; the first fan main body further comprises a first status indication module, and the first status indication module is configured to display at least one of a startup status, a shutdown status, a charging status, and an output wind level of the first fan main body or the neck fan.
The neck fan according to claim 1, wherein the first fan main body further comprises a first battery protection module, the first battery protection module is electrically connected to the first main control module and the first charging control module, and is configured to perform charging protection for the first battery.
The neck fan according to claim 1, wherein the first switch comprises a stepless adjustment key configured to perform stepless adjustment and control the rotation speed of the first fan main body; and the stepless adjustment key is a potentiometer with variable electric resistance or an encoder.
The neck fan according to claim 5, wherein the stepless adjustment key comprises a plurality of connection terminals and at least one adjustment pin, one of the plurality of connection terminals is grounded, and at least one adjustment pin is configured for the user to operate so that the other connection terminals output corresponding stepless adjustment signals.
The neck fan according to claim 1, wherein the first boost module comprises an inductor and a switching element, a control terminal of a MCU of the first main control module is connected to a control terminal of the switching element, a first conducting terminal of the switching element is connected to the first battery via the inductor, a second conducting terminal of the switching element is grounded, the first conducting terminal of the switching element is connected to the first fan assembly, the MCU of the first main control module controls the on-off state of the switching element, thereby controlling the voltage from the first battery to be boosted through the inductor, and provides the boosted voltage to the first fan assembly to drive the first fan assembly to blow air.
The neck fan according to claim 1, wherein the first fan main body and the second fan main body are detachably connected, so that the first fan main body and the second fan main body are able to operate and be used independently.
A neck fan, comprising: a first fan main body; and a second fan main body connected to the first fan main body, wherein the first fan main body and the second fan main body are configured to blow air towards a user respectively, the first fan main body and the second fan main body are respectively provided with a control switch, and the control switch is configured to control an operation of the first fan main body and/or the second fan main body, wherein the neck fan further comprises a connection member, the connection member comprises a flexible connection portion, the flexible connection portion is provided with at least one installation hole, the at least one installation hole is configured to be sleeved and fixed on one end of the first fan main body and one end of the second fan main body, so that the first fan main body and the second fan main body are connected through the flexible connection portion; and wherein an inner sidewall of the at least one installation hole is provided with a first anti-detachment structure and a second anti-detachment structure, the first anti-detachment structure is configured to engage with a first buckle on an outer surface of one end of the first fan main body, the second anti-detachment structure is configured to engage with a second buckle on one end of the second fan main body, and at least one of the first anti-detachment structure and the first buckle is provided with a plurality of concave-convex structures arranged in sequence along an extending direction of the connection member.
wherein the first fan main body and the second fan main body are configured to blow air towards a user respectively, the first fan main body and the second fan main body are respectively provided with a control switch, and the control switch is configured to control an operation of the first fan main body and/or the second fan main body,
wherein the neck fan further comprises a connection member, the connection member comprises a flexible connection portion, the flexible connection portion is provided with at least one installation hole, the at least one installation hole is configured to be sleeved and fixed on one end of the first fan main body and one end of the second fan main body, so that the first fan main body and the second fan main body are connected through the flexible connection portion; and
wherein an inner sidewall of the at least one installation hole is provided with a first anti-detachment structure and a second anti-detachment structure, the first anti-detachment structure is configured to engage with a first buckle on an outer surface of one end of the first fan main body, the second anti-detachment structure is configured to engage with a second buckle on one end of the second fan main body, and at least one of the first anti-detachment structure and the first buckle is provided with a plurality of concave-convex structures arranged in sequence along an extending direction of the connection member.
The neck fan according to claim 9, wherein the first anti-detachment structure comprises a plurality of first buckle slots arranged along an extending direction of the connection member, the plurality of first buckle slots are configured to engage with a plurality of protrusions arranged along an extending direction of the first buckle; the second anti-detachment structure comprises a plurality of second buckle slots arranged along the extending direction, the plurality of second buckle slots are configured to engage with a plurality of protrusions arranged along an extending direction of the second buckle; the first anti-detachment structure is configured to be detachably connected with the first buckle, and the second anti-detachment structure is configured to be detachably connected with the second buckle; the flexible connection portion is also provided with a first fixing structure and a second fixing structure, the first fixing structure and the second fixing structure are respectively arranged at two ends of the flexible connection portion, the first fixing structure is configured to connect with a third fixing structure at one end of the first fan main body, and the second fixing structure is configured to connect with a fourth fixing structure at one end of the second fan main body; the first fixing structure is configured to be detachably connected with the third fixing structure, and the second fixing structure is configured to be detachably connected with the fourth fixing structure.
The neck fan according to claim 9, wherein the connection member further comprises at least one neck support portion, the at least one neck support portion is connected to an inner side of the flexible connection portion and configured to rest adjacent to a user's neck, the at least one neck support portion is configured to form at least one air inlet gap with the first fan main body or the second fan main body, so that air from the first fan main body or the second fan main body can enter the air inlet gap.
The neck fan according to claim 1, wherein the first fan main body comprises a first main body portion, the first main body portion has an arc-shaped structure, and comprises a concave first air guide path positioned on a surface of one side of the first main body portion and extended along an extending direction of the arc-shaped structure; the first fan assembly is arranged at one end of the first main body portion and is configured to blow air towards the first air guide path, and the first air guide path is configured to guide air of the first fan assembly to one side of the first main body portion and one end of the first main body portion away from the first fan assembly.
The neck fan according to claim 12, wherein the first fan assembly comprises a first fan shell, a first motor, and a first fan blade mounted on a rotating shaft of the first motor, the first motor and the first fan blade are arranged within the first fan shell; the first fan shell comprises a shell main body and an air outlet hood, the air outlet hood is arranged on one side of the shell main body; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings, a plurality of air outlet holes are formed among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out.
The neck fan according to claim 13, wherein the inner side surface of the annular wall structure is an inclined surface or an arc-shaped surface, so that an inner diameter of the annular wall structure gradually decreases along a direction from the shell main body to the air outlet hood; the shell main body comprises an annularly arranged sidewall structure, an mounting portion positioned at one end inside the sidewall structure and an air guiding portion connected between the mounting portion and the sidewall structure, the air guiding portion comprises a plurality of air guiding blades arranged at intervals and is configured to guide wind from the first fan blade based on a preset direction, the first fan blade and the first motor are arranged within the sidewall structure and are positioned on one side of the mounting portion, and the first motor is mounted on the mounting portion; the first fan shell further comprises a metal barrier net, the metal barrier net is arranged on one side of the sidewall structure away from the air outlet hood, the metal barrier net is made of metal material and is provided with a plurality of air inlet holes, and an inner diameter of each air inlet holes ranges from 0.5 mm to 4 mm; the air inlet hole is in a regular hexagon shape, a surrounding wall is arranged between two adjacent air inlet holes, and a width of the surrounding wall ranges from 0.05 mm to 2 mm.