Programmable controlled heat dissipating fan

A programmable controlled heat dissipating fan is comprised of a base, a stator assembly, a magnet frame assembly, a fan blade assembly, an inductor set, a first circuit board and a second circuit board. The stator assembly is firmly installed in the base, while the magnet assembly is sleeved into the periphery of the stator assembly. The fan blade assembly is rotated through the alternatively changing magnetic field produced by the stator winding and magnet frame, while the second circuit board is rotated and powered by electromagnetic coupling. The data content stored in the data repository is loaded by the microprocessor to drive the light emitting unit to display.

BACKGROUND OF THE INVENTION

(a) Field of the Invention

The new type invention is related to technologies of heat dissipating fans, especially related to a programmable controlled heat dissipating fan.

(b) Description of the Prior Art

As is well known, heat dissipating fan is a must-have component in the equipments such as computers, etc, whereof it is generally comprised of fan blades and fan body while through the alternative change of magnetic field generated between the stator winding and the magnet frame, the fan blades are driven to rotate by the fan driving circuit whereby to achieve the heat dissipation effect due to acceleration of air flow during the fan rotation process. At present, outlooks and functions of the conventional dissipating fans are more unitary, lacking beauty and moving effects that do not better serve the consumer demands, and so is harder to seduce the buying desires of consumers. Following the rapid advancements of science and technology, the industry has offered a kind of time and date displayable fan whose related patent documentations can be referred to Chinese patent announcement No. CN2859025Y. which discloses a fan comprised of a fan head and its connected power supply device, whereof an light emitter array module is installed through the fan blade, and a driving circuit board is installed inside the fan head and connected with the said light emitter array module, whereof the said driving circuit board is installed with a power supply battery and is loaded with a driver program to drive the light emitter array module to display time, date, image and text, thereby to provide the time, date, image and text displaying functions. However, the said fan has the following imperfections: On one hand, the said driving circuit needs an external interface to get external power supply that is troublesome to customers and is inconvenient for use, and obviously, it is not adaptive to the resent trends of development. On the other hand, as the driver program on the said driving circuit is fixed, i.e. the internally preloaded display program is unchangeable, whereof customer cannot switch it freely as needed, the application is unitary and not good for market competition.

SUMMARY OF THE INVENTION

Regarding the imperfections of the aforesaid present arts, the main purpose of the practical new type invention is to provide a programmable controlled heat dissipating fan which employs the induction-coupling design to achieve the high frequency emission and electromagnetic coupling purposes, whereby to provide working power to the second circuit board through non-contact electrical power transmission, whereof the program in the data depository is loaded by the microprocessor on the second circuit board to drive the light emitters array to display, thereby to effectively achieve a decoration effect.

The second purpose of the practical new type invention is to provide a programmable controlled heat dissipating fan, whereof the data content can be pre-loaded through the program loader interface circuit and the data memory installed on the second circuit board to achieve the purpose of unlimited program replacement, thereby to obtain the convenience of use.

The third purpose of the practical new type invention is to provide a programmable controlled heat dissipating fan, whereof through connection to the audio broadcast unit on the second circuit board, the double effect of visual and audio combinations can be achieved.

The fourth purpose of the practical new type invention is to provide a programmable controlled heat dissipating fan, whereof it is further adopted a program loader which is convenient to use and is in simple structure for loading the related programs to the second circuit board.

To achieve the aforesaid purposes, the practical new type invention has adopted the following methods:

A programmable controlled heat dissipating fan, in which it is comprised of a base, a stator assembly, a magnet frame and a fan blade assembly, whereof the said stator assembly is firmly installed in the base10while the said magnet assembly is sleeved into the periphery of the said stator assembly, and further include that:

An inductor set which is assembled by putting a emitter inductor and a receiver conductor close to each other but without contacting, whereof the said emitter inductor is firmly installed at the stator assembly; and

A first circuit board which is firmly installed at the base, whereof the said first circuit board is sequentially installed electrically inter-connected with a pulse signal circuit and a power amplifier circuit, whereof the said pulse signal circuit can generate pulse signal to the power amplifier circuit for amplification, thus the magnet winding is actuated and through the emitter inductor to emit high frequency electrical energy; and

A second circuit board which is firmly installed on top of the fan blade assembly, whereof its working power is generated after treating the high frequency electrical energy which is radiated by the emitter inductor and inducted by the receiver inductor, whereof the said second circuit board is installed with a light emitter array unit, a microprocessor to drive the said light emitter array unit for display function and a data repository for data saving, whereof program in the said data repository is treated by the microprocessor to drive the light emitter array unit, whereby to display the program saved in the data repository.

The aforesaid light emitter array is a LED array.

The said microprocessor is installed with a program loader interface circuit, whereby the external connected program loader is through the said program loader interface circuit to save the pre-edited data in the data repository through the microprocessor.

The said externally connected program loader is comprised of a USB interface, a main body and a program loader interface, whereof the said main body is comprised of a plastic casing and the third circuit board which is enclosed in the plastic casing, whereof the said third circuit board is installed with a microcontroller, whereof the said microcontroller is through data bus to connect with the USB interface and program loader interface.

The aforesaid third circuit board is installed with a working status indicator circuit which is connected with the microcontroller.

The said microprocessor is electrically connected with an audio broadcast unit, whereby the said microprocessor drive the said audio broadcast unit to work.

Comparing with the conventional arts, the advantage of the practical new type invention are the following:

The practical new type invention mainly employs the induction-coupling design to achieve the high frequency emission and electromagnetic coupling purposes, whereby to provide working power to the second circuit board through non-contact electrical power transmission and through the second circuit board to effectively achieve a decoration effect.

The data content can be pre-loaded through the program loader interface circuit and the data memory installed on the second circuit board to achieve the purpose of loading, modifying and replacing the data content in the data memory at any time, thereby to obtain the convenience of use.

Through connection to the audio broadcast unit on the second circuit board, the double effect of visual and audio combinations can be achieved.

The attached program loader has a simple structure and is convenient for operation.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The practical new type invention is further delineated by combining the following attached drawings and embodiments.

A programmable controlled heat dissipating fan100as shown inFIGS. 1˜7, whereof it is comprised of a base10, a stator assembly20, a magnet frame30and a fan blade assembly40, whereof the said stator assembly20is firmly installed in the base10while the said magnet assembly30is sleeved into the periphery of the said stator assembly20, and the fan component40is composed of the fan frame41and several fan blades42at its periphery. The said fan frame41is firmly installed with a rotating shaft43, whereof the said rotating shaft43is inserted into the copper shaft to become a rotating structure, whereof the inter-cooperating structure of the said base10, stator assembly20, magnet frame assembly30and the fan blade assembly40can be adopted with the present matured arts, therefore detail of which are not described herein.

The heat dissipating fan100of the practical new type invention is further comprised of an inductor set50, a first circuit board60and a second circuit board70, in which:

As shown inFIGS. 1 and 2, the inductor set50is assembled by putting a emitter inductor51and a receiver conductor52close to each other but without contacting, whereof the said emitter inductor51is firmly installed at the stator assembly20while the said receiver inductor52is firmly installed at the fan blade assembly40.

The first circuit board60is firmly installed at the base10as shown inFIG. 3, whereof the said first circuit board60is sequentially installed electrically inter-connected with a pulse signal circuit61and a power amplifier circuit62, whereof the said pulse signal circuit61can generate pulse signal to the power amplifier circuit62for amplification, thus the magnet winding is actuated and through the emitter inductor51to radiate high frequency electrical energy. Of course, the said first circuit board60is further installed with a driving circuit63to drive the fan blade assembly40, whereas the said driving circuit is a current art, it is not described herein.

The second circuit board70which is firmly installed at the top surface of the fan blade assembly40, whereby the said second circuit board70is rotated along with the fan blade assembly40; whereof as shown inFIG. 4, the working power71of the said second circuit board70is generated after treating the high frequency electrical energy which is radiated by the emitter inductor51and inducted by the receiver inductor52, whereof the said second circuit board70is installed with a light emitter array unit72, a microprocessor73to drive the said light emitter array unit72for display function and a data repository74for data saving, whereof program in the said data repository74is treated by the microprocessor73to drive the light emitter array unit72, whereby to display the program saved in the data repository74through the microprocessor73. The said light emitter array unit72is a LED array.

The said microprocessor73is installed with a program loader interface circuit75, whereby the external connected program loader80is through the said program loader interface circuit75to save the pre-edited data in the data repository74through the microprocessor73. Therefore, needed data can be pre-recorded through the program loader interface circuit75and the data memory74, thereby to realize the purpose of unlimited data content replacement by loading or modifying data at any time. In addition, in case of power outage, the data content can be still saved in the data memory74so as to achieve convenience of use.

Further, as shown inFIG. 4, the said microprocessor73can be connected to an audio broadcast unit76which is driven by the said microprocessor73to work, thereby to achieve the double effect of visual and audio combinations.

The said externally connected program loader80as shown inFIGS. 5˜7is comprised of a USB interface81, main body82and a program loader interface83, whereof the said main body82is comprised of a plastic casing821and the third circuit board822which is enclosed in the plastic casing821. The said third circuit board822is installed with a microcontroller822a, whereof the said microcontroller822ais through the data bus84to connect with the USB interface81and the program loader interface83. During data loading process, the said program loader interface83is connected with the program loader interface circuit75on the second circuit board70. Further, the said third circuit board822is installed with a working status indicator circuit822bwhich is electrically connected with the microcontroller822ato indicate the working status of the program loader80. For example, in PC operating interface, data contents such as text, symbols, data, music, voices and pictures are input through PC keyboard, editor software and depositories, whereof through the said USB interface81to connected with PC, the pre-edited data on PC is transferred through the microcontroller822aon the third circuit board822and the program loader interface83to the second circuit board70for treatment and is recorded into the data repository74on the second circuit board70.

The working principle of the practical new type invention is that after connection to power, rotation of the fan blade assembly40of the heat dissipating fan100is through the alternatively changing magnetic field produced between the winding on stator assembly20and the magnet frame30to be driven by the driving circuit on the first circuit board60, while when the said fan blade assembly40is at rotating status, the said second circuit board70is also rotated along with the rotation of fan blade assembly40accordingly. Further, the working power is provided by the said second circuit board70after achieved electromagnetic coupling among the emitter inductor51, receiver inductor52and magnet frame30, in which the pulse signal generated by the pulse signal circuit61on the first circuit board60is amplified through the power amplifier circuit62to drive the magnet inductor to work, whereby the high frequency electrical energy radiated by the emitter inductor is received and inducted by the receiver inductor52, whereby the said high frequency electrical energy is further through the rectified current filter circuit to obtain DC power. Further, after the second circuit board70is powered, data content stored in the data repository74is loaded by the microprocessor73on the said second circuit board70, whereof the data content including displays of time, date, image and test, symbols and identifications, etc is treated by the microprocessor73which then drives the light emitting unit72to display, thereby to achieve a decoration effect of dynamic flashing and display along with the rotating process of fan blade assembly40, while the pre-edited data content saved in the aforesaid data repository74can be loaded by the microprocessor73through the externally connected program loader80and the program loader interface circuit75to achieve the purpose of loading, modifying and replacing the data content in the data memory74at any time as well as to save the said data content in the data memory74after power off.

The practical new type invention mainly employs the induction-coupling design to achieve the high frequency emission and electromagnetic coupling purposes, whereby to provide working power to the second circuit board through non-contact electrical power transmission and through the second circuit board to effectively achieve a decoration effect, while at the same time, data content can be pre-loaded through the program loader interface circuit and the data memory installed on the second circuit board to achieve the purpose of loading, modifying and replacing the data content in the data memory at any time, thereby to obtain the convenience of use.

The above description is just for one preferred embodiment of the programmable controlled heat dissipating fan of the practical new type invention that is not meant to limit the technical range covered by the practical new type invention, therefore any tiny modification, equivalent variations or refinement on the aforesaid embodiments of the practical new type invention in essence shall still belong to the range of the practical new type invention.