baber/WOPTO huggingface dataset:
Patent WO-2021068861-A1 (WO)
Inventor: WANG LINJIN
IPC: F17D3/18
Filed: 2020-10-07
Abstract: A water distributer and collector, comprising a water distributing pipe (1), a water collecting pipe (2) and a support (3), wherein the water distributing pipe comprises a water distributing pipe head, a water distributing pipe tail (8) and several water distributing pipe bodies, the water collecting pipe comprises a water collecting pipe head, a water collecting pipe tail (13) and several water collecting pipe bodies, flowmeters (14) are both connected to a first main pipe body (4) and a second main pipe body (6), fixing seats (15) are both connected to a third main pipe body (9) and a fourth main pipe body (11), a valve rod (17) is axially arranged on each of the fixing seats in a penetrating manner, inner ends of the valve rods extend out of the fixing seats and are provided with sealing gaskets (18) in an embedded manner, a spring (19) arranged on the corresponding valve rod in a sheathed manner is arranged inside each of the fixing seats, valve seats (20) are threadedly connected to a first auxiliary pipe body (5), a second auxiliary pipe body (7), a third auxiliary pipe body (10) and a fourth auxiliary pipe body (12), and the top end of each of the valve seats extends to the centers of the corresponding first main pipe body, second main pipe body, third main pipe body and fourth main pipe body. The water distributer and collector has advantages such as being convenient to assemble, and having good adaptability.
Patent WO-2021114847-A1 (WO)
Inventor: LIANG JUNBIN
IPC: G10L19/002
Filed: 2020-10-10
Abstract: An Internet calling method and apparatus, a computer device, and a storage medium. The method comprises: performing time-frequency transformation on an acquired audio signal, so as to obtain multiple pieces of frequency domain information of the audio signal; determining, according to the multiple pieces of frequency domain information, a target bitrate corresponding to the audio signal; and encoding the audio signal on the basis of the target bitrate, and performing Internet calling on the basis of the encoded audio signal. The invention, instead of using a fixed encoding bitrate to encode audio signals, implements encoding by determining different target bitrates for different audio signals, thus providing a solution of customized encoding for different audio signals during Internet calling, and achieving better Internet call quality compared with using a fixed encoding bitrate.
Patent WO-2021129078-A1 (WO)
Inventor: XIE SIMIN
IPC: H04L1/24
Filed: 2020-10-20
Abstract: L'invention concerne un procédé et un appareil d'estimation de décalage de fréquence. Le procédé consiste à : acquérir des informations de configuration de planification d'un UE, et en fonction de celles-ci, déterminer un scénario de configuration courant et une stratégie d'estimation de décalage de fréquence correspondant au scénario de configuration courant (S100) ; et acquérir une valeur d'estimation de décalage de fréquence d'un intervalle de liaison montante courant en fonction de la stratégie d'estimation de décalage de fréquence (S200).
Patent WO-2021114945-A1 (WO)
Inventor: PANG XINFENG
IPC: H01P11/00
Filed: 2020-10-30
Abstract: Disclosed is a solid dielectric for a filter. The solid dielectric comprises a solid dielectric body and is characterized by further comprising a conductor structure arranged on the surface of the solid dielectric body, wherein the conductor structure at least comprises a first conductor metal layer for signal transmission and a second conductor metal layer for a surface welding layer; the first conductor metal layer is located on the surface of the solid dielectric body; the second conductor metal layer is located on the surface of the first conductor metal layer; and the first conductor metal layer and the second conductor metal layer are conductor layers made of different metal materials. Further disclosed are a surface metallization process for the solid dielectric, and a dielectric filter. According to the solid dielectric in the present invention, by means of providing a multi-layer conductor layer structure, various metals can be replaced, while costs are reduced, the conductor layers which are actually used for signal transmission are protected from damage, and the signal transmission performance of the solid dielectric is ensured.
Patent WO-2022082861-A1 (WO)
Inventor: CAO CHENGMING
IPC: H04R9/06
Filed: 2020-11-03
Abstract: 本申请提供了一种扬声器单体以及电子设备，扬声器单体包括盆架、磁路组件以及振动组件；磁路组件固定于盆架内，磁路组件具有磁间隙；振动组件包括音圈、第一振膜以及球顶，第一振膜分别连接于盆架和球顶，音圈的一端连接于球顶并至少部分悬置于磁间隙内，以将盆架的内部空间分隔为位于音圈内侧的内腔体以及位于音圈外侧的外腔体，磁路组件用于驱动音圈移动以使第一振膜发声；其中，球顶上开设有分别连通于内腔体和外腔体的连接槽。本实施例提供的扬声器单体在使用过程中，位于内腔体内的气流可以通过连接槽与外腔体和/或外部空间进行气体交换，结构简单，扬声器单体的高频灵敏度得以改善。
Patent WO-2021164353-A1 (WO)
Title: Antimony-free flame-retardant polypropylene composition and preparation method therefor
Inventor: YANG YOUQIANG
IPC: C08K5/54
Filed: 2020-11-19
Abstract: Disclosed in the present invention are an antimony-free flame-retardant polypropylene composition and a preparation method therefor. The composition comprises the following components: 40-70 parts of a polypropylene resin; 15-25 parts of a brominated flame retardant; 1-10 parts of an inorganic barium compound; and 0.1-3 parts of a silicon-based flame-retardant lubricant. According to the present invention, the inorganic barium compound, the silicon-based flame-retardant lubricant, and the brominated flame retardant are synergistically used together; the prepared flame-retardant polypropylene composition can obtain excellent flame retardance and toughness without adding an antimony element for a synergistic effect, has a relatively high oxygen index and relatively low smoke density, can be prepared into products according to different purposes, is particularly suitable for electronic and electrical products, and has an excellent industrial application prospect.
Patent WO-2022104762-A1 (WO)
Inventor: CUI KEJI
IPC: H04B1/40
Filed: 2020-11-23
Abstract: The present application provides a multi-band low-noise amplifier, comprising: an input end, a first input matching network, a second input matching network, a first amplifier, and a second amplifier. The input end is coupled to an antenna and is used for receiving an inter-band carrier aggregation signal, the inter-band carrier aggregation signal comprises a first carrier signal within a first frequency band and a second carrier signal within a second frequency band, and the first frequency band is different from and does not overlap with the second frequency band. The first input matching network is coupled between the input end and the first amplifier and is used for impedance matching for the first carrier signal, and the first amplifier is used for outputting the amplified first carrier signal. The second input matching network is coupled between the input end and the second amplifier and is used for impedance matching for the second carrier signal, and the second amplifier is used for outputting the amplified second carrier signal.
Patent WO-2022110040-A1 (WO)
Inventor: ZHANG WEI
IPC: H01L27/32
Filed: 2020-11-27
Abstract: L'invention concerne un substrat d'affichage, un masque et un dispositif d'affichage. Le substrat d'affichage comprend : de multiples premières unités de répétition, comprenant des premiers sous-pixels et des deuxièmes sous-pixels ; de multiples secondes unités de répétition, comprenant des quatrièmes sous-pixels et des cinquièmes sous-pixels ; et une couche de définition de pixels disposée sur un substrat de base, ladite couche comprenant de multiples premières ouvertures et de multiples secondes ouvertures. Chaque premier sous-pixel et chaque deuxième sous-pixel comprennent séparément une première ouverture ; chaque quatrième sous-pixel et chaque cinquième sous-pixel comprennent séparément une seconde ouverture ; la superficie d'une projection orthographique de chaque première ouverture sur le substrat de base est supérieure à la superficie d'une projection orthographique de chaque seconde ouverture sur le substrat de base. Le rapport de la superficie de la projection orthographique de la première ouverture de chaque premier sous-pixel sur le substrat de base à celle de la seconde ouverture de chaque quatrième sous-pixel est un premier rapport, le rapport de la superficie de la projection orthographique de la première ouverture de chaque deuxième sous-pixel sur le substrat de base à celle de la seconde ouverture de chaque cinquième sous-pixel est un second rapport et le rapport du premier rapport au second rapport est compris entre 0,8 et 1,2.
Patent WO-2022120869-A1 (WO)
Title: 颅脑医学影像中脑内分片电极的方位识别方法及设备
Inventor: TANG JIANDONG
IPC: G16H30/20
Filed: 2020-12-14
Abstract: 本发明公开了一种颅脑医学影像中脑内分片电极的方位识别方法及设备，该方法先对颅脑医学影像进行解析，根据解析结果获取脑内分片电极的方位坐标，并根据解析结果建立个体颅脑模型；将获得的脑内分片电极的方位坐标标定在个体颅脑模型上形成个体化脑内电极定位数据；对个体化脑内电极定位数据进行编码处理形成编码数据包，移动设备根据编码数据包将脑内分片电极的方位直接显示在移动设备的显示屏上。本发明还公开了一种与上述方法相对应的设备。本发明能够将脑内分片电极在大脑中的空间方位直观地显示在移动设备上，无需医生再对照影像进行人为判断，提高了判断准确率和缩短了人为判断耗时；也便于远程问诊的进行。
Patent WO-2021155714-A1 (WO)
Title: Non-line of sight elimination method and apparatus for time of arrival measurement value, and terminal
Inventor: ZHANG ZHENYU
IPC: H04W64/00
Filed: 2020-12-15
Abstract: Disclosed in the embodiments of the present application are a non-line of sight (NLOS) elimination method and apparatus for a time of arrival (TOA) measurement value, and a terminal. The method comprises: performing Gaussian mixture modeling on the probability density of the TOA measurement value of each base station arriving at a terminal UE, and performing selection and NLOS identification on the TOA measurement value subsequent to performing Gaussian mixture modeling, so as to obtain an identification tag, wherein the identification tag is used for indicating whether the selected TOA measurement value is NLOS; and correcting the selected TOA measurement value according to the identification tag, so as to eliminate an error caused by NLOS in the selected TOA measurement value. The present invention improves the positioning accuracy of a user by performing Gaussian mixture modeling and selection on the probability density of each TOA measurement value, accurately finding the TOA measurement value belonging to LOS in the case that it is ensured that the LOS is aliased with the NLOS, and correcting the selected TOA measurement value to eliminate the error caused by the NLOS in the selected TOA measurement value.
Patent WO-2021196756-A1 (WO)
Title: 空气放大式吹风机
Inventor: CHEN YIYANG
IPC: F04D25/08
Filed: 2020-12-18
Abstract: 一种空气放大式吹风机，包括有手柄（1）、外筒（2）、内筒（3）、风机（4）以及控制电路（5），风机（4）安装在手柄（1）的风道内，外筒（2）和内筒（3）之间形成连通风道的环形腔，环形腔的前端形成环形喷嘴（6），控制电路（5）容置在环形腔的末段，手柄（1）的末段开设横向的隧道状孔（1.1）作为进风口，阻挡了风机（4）噪音的直传通道，可在一定的程度上减低噪音；再将风机（4）套装在消音筒（7）内，并将消音筒（7）的进风段（7.1）设成台阶状收缩，该台阶可从风机（4）的源头上挡住一部分噪音外传；内筒（3）上开设斜喷孔（3.1）可进一步地加强吸入内筒（3）气流的流速，从而增大风量；而将内筒（3）的出口段（3.2）设成喇叭口状，一方面可为从斜喷孔（3.1）进入的气流提供扩容通道，另一方面可扩大风束的角度，从而扩大风束吹拂范围。
Patent WO-2021184903-A1 (WO)
Inventor: ZHANG GUIYU
IPC: G06F3/044
Filed: 2020-12-29
Abstract: 一种触控模组(10)及显示装置，触控模组(10)包括：衬底(101)和形成在衬底(101)一侧的至少一组触控图案，每组触控图案包括：具有多个在第一方向上间隔排布的桥接位(102a)的导电桥(102)；设置于导电桥(102)上的绝缘支撑部；绝缘支撑部，包括多个在第一方向上间隔排布的第一支撑部(103)、位于相邻第一支撑部(103)之间并与其相间隔的第二支撑部(104)；每个第一支撑部(103)与一桥接位(102a)相对应，且第一支撑部(103)具有露出桥接位(102a)的过孔(106)；触控电极部，包括多个在第一方向上间隔排布的第一触控电极(107)、位于相邻第一触控电极(107)之间并与其相间隔的第二触控电极(108)；每个第一触控电极(107)形成在一第一支撑部(103)上并通过过孔(106)与桥接位(102a)电连接，每个第二触控电极(108)形成在第二支撑部(104)上，从而使触控模组(10)具有良好的弯折能力。
Patent WO-2022134187-A1 (WO)
Inventor: LIU HUANXIN
IPC: G01N3/06
Filed: 2020-12-31
Abstract: 一种深部复杂构造条件下岩石真三轴动态压剪试验装置及方法，装置包括反力框架(1)、压力室(2)、基础平台(3)及四台作动器(4,5,6,7)，基础平台(3)上设有压力室转运轨道(9)，压力室转运轨道(9)上设有压力室转运滑台(10)；压力室(2)为分体式结构，压力室底座(11)位于压力室转运滑台(10)上，压力室筒体(12)配有压力室筒体升降式承放台(14)和压力室筒体吊装机构(13)；压力室(2)配有压力室筒体与底座封装夹具(15)。方法为：试样组合体(51)置于压力室底座(11)上；压力室底座(11)移至压力室筒体(12)下方；压力室(2)合体；由夹具封装压力室(2)；压力室(2)移至反力框架(1)内；试样预夹紧；施加真三轴；试验结束；作动器(4,5,6,7)复位；压力室(2)卸载围压；压力室(2)移向压力室筒体吊装机构(13)；解除压力室(2)夹具封装；压力室筒体(12)起吊并移除试样组合体(51)；压力室底座(11)返回原位；压力室筒体(12)下落放到压力室筒体升降式承放台(14)。
Patent WO-2022141606-A1 (WO)
Inventor: WANG RENFENG
IPC: G06F21/32
Filed: 2020-12-31
Abstract: An optical fingerprint detection apparatus and an electronic device. The performance of the optical fingerprint detection apparatus is ensured, while the occupied space of the optical fingerprint detection apparatus in the electronic device is reduced, thereby facilitating miniaturization and light and thin development of electronic devices. The present optical fingerprint detection apparatus is used to be arranged on a side surface of the electronic device, comprising: a cover plate; a lens assembly and a fingerprint sensor, sequentially arranged in a first direction of the cover plate, the first direction pointing toward the inner side of the side surface of the electronic device; a first substrate, arranged in a first direction of the fingerprint sensor and used to support the fingerprint sensor; a supporting member, connecting the lens assembly, the cover plate and the first substrate, and used to support the lens assembly and the cover plate in a second direction of the fingerprint sensor, the second direction pointing toward the outer side of the side surface of the electronic device; a light source, used for emitting an optical signal to a finger at the cover plate. After being reflected or transmitted by the finger, the optical signal forms a fingerprint optical signal carrying fingerprint information, and the lens assembly is used for imaging the fingerprint optical signal to the fingerprint sensor for fingerprint detection.
Patent WO-2022121065-A1 (WO)
Title: 一种转向架
Inventor: WANG SHUN
IPC: B61F5/50
Filed: 2021-01-04
Abstract: 一种转向架，包括构架（1）、走行轮（2）、驱动装置（3）、牵引装置（4）、悬挂装置（5）、基础制动装置（6）及水平轮组件，构架（1）包括横梁（7）、两个悬臂梁（8）和两个侧梁（9），两个悬臂梁（8）设置于横梁（7）的两侧，用于装配走行轮（2），两个侧梁（9）设置于横梁（7）的两端，且分别跨座于轨道（10）两侧，用于装配水平轮组件，走行轮（2）安装于悬臂梁（8），且悬臂梁（8）的端部包裹至走行轮（2）的外周面，即悬臂梁（8）对走行轮（2）呈半包围状。在实际应用中，能够实现在轨道上对走行轮进行更换，无需对转向架解编，简化了换轮的步骤。
Patent WO-2021244052-A1 (WO)
Title: 符合产业化生产的高厚度低缺陷六英寸碳化硅晶体生长方法
Inventor: CHEN YINGCHAO
IPC: C30B29/36
Filed: 2021-01-29
Abstract: 本发明涉一种符合产业化生产的高厚度低缺陷六英寸碳化硅晶体生长方法，针对产业化大规模进行六英寸碳化硅晶体生长过程中极易产生的各种缺陷：如晶型突变，位错增加、晶体有效产出低(厚度不足)等特性，提出新的适合产业化大规模晶体生长工艺方法，在同等的生长周期和等同的投料量的前提下不但保证晶体的有效产出且能有效保证晶体的质量合格。主要包括：一次升温、一次降压，二次升温及二次降压、三次升温、热场移动、恒温升压、一次降温、二次降温、末次抽换气等步骤。通过本工艺可实现单炉次产出六英寸碳化硅晶体厚度≥25mm，并且有效抑制异晶型产生和位错的持续增加。
Patent WO-2021190131-A1 (WO)
Inventor: WU DIANXING
IPC: A01H1/02
Filed: 2021-01-29
Abstract: Provided is a breeding method for a three-line hybrid combination of colored rice, comprising: carrying out hybridization and backcross by taking colored rice C as a male parent and a three-line maintainer line B as a female parent, and breeding a three-line maintainer line and a three-line sterile line of colored rice; carrying out hybridization and backcross by taking colored rice D as a male parent and a restorer line R as a female parent, and breeding a colored rice restorer line; performing heterosis screening, and performing screening on rice quality, yield and resistance to obtain a new colored rice three-line hybrid combination; and constructing a three-line hybrid system of colored rice.
Patent WO-2021196858-A1 (WO)
Inventor: HUANG WEIDONG
IPC: B29C64/321
Filed: 2021-01-29
Abstract: Provided are an apparatus for 3D printing and a control method therefor. The apparatus comprises: a material conveying pipe, wherein an opening extending in an axial direction of the material conveying pipe is provided in an outer wall of the material conveying pipe; and a sleeve, which is sleeved onto the material conveying pipe, wherein a discharging port capable of being in communication with the opening is provided in an outer wall of the sleeve, and the sleeve can rotate around the axis of the material conveying pipe relative to the material conveying pipe, such that the discharging port is either in communication with the opening or not in communication with the opening. Compared with a traditional design, the apparatus utilizes the sleeve to provide the discharging port, and the sleeve and the material conveying pipe are connected together in a sleeved manner, so that the structure of the whole apparatus is more compact; in addition, the sleeve rotates around the axis of the material conveying pipe relative to the material conveying pipe so as to pause printing, and therefore, a quick response to pausing printing can be achieved.
Patent WO-2021169783-A1 (WO)
Inventor: REN YANPING
IPC: F04D29/10
Filed: 2021-02-07
Abstract: A cleaning pump (10), comprising a motor (20) and a pump body (21) provided at one end of the motor (20) and driven by the motor (20), and further comprising a mechanical seal structure (51) provided between the motor (20) and the pump body (21). The mechanical seal structure (51) is used for preventing liquid in the pump body (21) from entering the motor (20). The mechanical seal structure (51) comprises a static friction ring assembly (53) and a dynamic friction ring assembly (57) arranged opposite to each other in the axial direction. The dynamic friction ring assembly (57) is driven by a rotating shaft (580) of the motor (20) to rotate with respect to the static friction ring assembly (53).
Patent WO-2021175114-A1 (WO)
Inventor: NESHAASTEGARAN PEYMAN
IPC: H03L7/00
Filed: 2021-02-18
Abstract: Some aspects of the present disclosure relate to detection of a Phase Hit and, upon detecting the Phase Hit, determining the magnitude and location of the Phase Hit. Detecting the Phase Hit may involve comparing a phase offset difference for successive pilot symbol to a detection threshold. Determination of the detection threshold may involve a Neyman-Pearson binary hypothesis testing (NP-BHT) approach. Once the magnitude and location of the Phase Hit are known, data symbols received after the location may be processed to remove the magnitude of the Phase Hit.
Patent WO-2021248935-A1 (WO)
Inventor: FENG ZHEN
IPC: G06F3/06
Filed: 2021-02-19
Abstract: A nonvolatile memory scheduling method, system and device, and a readable storage medium. The method comprises: obtaining a utilization rate of a current memory space (S101); when the utilization rate is less than a first threshold, determining a first space to be converted of the memory space, converting said first space into a high-speed storage space, and storing data in a conventional storage device into the high-speed storage space (S102); and when the utilization rate is greater than a second threshold, determining a second space to be converted of the high-speed storage space, storing data stored in said second space into the conventional storage device, and converting said second space into the memory space (S103). According to the method, the nonvolatile memory is scheduled in real time to serve as the proportion of the memory to the data storage, the read-write speed of the data storage is increased while the device utilization rate is increased, server jamming caused by too high memory occupation is avoided, and the running speed of the server is guaranteed.
Patent WO-2022134311-A1 (WO)
Inventor: ZHAO WEI
IPC: B65H18/10
Filed: 2021-03-04
Abstract: The present invention relates to an electronic cigarette set with an e-liquid gel layer added manually and quantitatively. The electronic cigarette set comprises the following two components: (a) a cigarette rod (1), comprising: a vapor-generating section shell (11), in which N planar heaters (13) which are separated from one another are arranged in the axial direction; and an outward turning cover (12); and (b) an e-liquid gel layer quantitative applicator (2), comprising: a housing (21), in which a first gear (22) and a second gear (23) which are meshed with each other are arranged, and which housing (21) is provided with a tip opening (211); and an e-liquid gel strip (24) comprising a base strip (242) and the e-liquid gel layer (241) laid on the base strip (242), wherein the e-liquid gel strip (24) is wound on a first gear shaft (25), a part of the strip is unwound from the first gear shaft, and after the strip is turned by an application wheel (26) located at the tip opening (211), the base strip (242) is wound to a second gear shaft (27).
Patent WO-2021190403-A1 (WO)
Title: 冷却机柜、液冷服务器设备及系统
Inventor: LIU XIANGDONG
IPC: H05K7/20
Filed: 2021-03-19
Abstract: 一种冷却机柜、液冷服务器设备及系统。其中，冷却机柜，包括：外层柜架(1)；内层柜体(2)置于外层柜架(1)内，且具有容置冷却液的内腔(21)，用以使置于内腔(21)的发热器件(10)浸没于冷却液中；进液口(3)及出液口(4)均设置内层柜体(2)上，用于通过进液口(3)接入冷却液进入内腔(21)，经内腔(21)后从出液口(4)流出；线缆密封接头(5)设置在内层柜体(2)的内腔壁上，用于将线缆自外部引入内腔(21)或自内腔(21)引出内层柜体(2)；通过线缆密封接头(5)引入或引出的线缆布设在外层柜架（1）与内层柜体(2)外壁间的空间内。具有较高的散热效率；另外，线缆统一排布在内层柜体(2)之外，便于后续的检修和维护；机柜结构布局合理，一体化程度高。
Patent WO-2022001229-A1 (WO)
Inventor: QI BIAO
IPC: H04Q11/00
Filed: 2021-03-24
Abstract: Provided in the embodiments of the present invention are an optical splitter, an optical distribution network, and a wavelength determination method. The optical splitter comprises: a light inputting segment, N branch light splitting segments and at least N-1 optical filtering structures. Each of the optical filtering structures reflects an optical signal of a wavelength, the at least N-1 optical filtering structures comprise special optical filtering structures and at least N-3 ordinary optical filtering structures, and the wavelength of an optical signal reflected by each of the at least N-3 ordinary optical filtering structures is an ordinary wavelength, the wavelength of an optical signal reflected by a first special optical filtering structure is a first special wavelength, and the wavelength of an optical signal reflected by a second special optical filtering structure is a second special wavelength, wherein the at least N-3 ordinary wavelengths form an arithmetic progression, the difference between the first special wavelength and the maximum ordinary wavelength is greater than the common difference of the arithmetic progression, and the difference between the second special wavelength and the minimum ordinary wavelength is greater than the common difference of the arithmetic progression. Therefore, wavelength resources are conserved.
Patent WO-2021213134-A1 (WO)
Inventor: LIU BANG
IPC: H01M50/209
Filed: 2021-03-26
Abstract: L'invention concerne un ensemble plaque d'extrémité (20). L'ensemble plaque d'extrémité (20) comprend : un corps de plaque d'extrémité (21) et un déflecteur isolant (22). Le déflecteur isolant (22) comprend une partie centrale (221) et une partie de cadre de bord (222) reliée à la partie centrale (221). La partie de cadre de bord (222) entoure la périphérie de la partie centrale (221), la partie de cadre de bord (222) est fixée au corps de plaque d'extrémité (21), et un espace est formé entre la partie centrale (221) et le corps de plaque d'extrémité (21).
Patent WO-2022088605-A1 (WO)
Title: Water ion emission end and water ion emission device
Inventor: WANG YU
IPC: H01T23/00
Filed: 2021-03-29
Abstract: A water ion emission end (11) and a water ion emission device (10). The water ion emission end (11) comprises: a circuit board (111), the circuit board (111) being defined to have a mounting face; a refrigeration assembly (113), mounted on the mounting face, wherein the refrigeration assembly (113) comprises a first refrigeration fin (1131) and a second refrigeration fin (1133), a heat dissipation end (1135) of the first refrigeration fin (1131) and a heat dissipation end (1135) of the second refrigeration fin (1133) are both electrically connected to the circuit board (111), a refrigeration end (1137) of the first refrigeration fin (1131) is close to a refrigeration end (1137) of the second refrigeration fin (1133), and a direction from the heat dissipation end (1135) of the first refrigeration fin (1131) to the refrigeration end (1137) of the first refrigeration fin (1131) and a direction from the heat dissipation end (1135) of the second refrigeration fin (1133) to the refrigeration end (1137) of the second refrigeration fin (1133) are both parallel to the mounting face; and a discharge electrode (115), the discharge electrode (115) being arranged close to the refrigeration end (1137) of the first refrigeration fin (1131) and the refrigeration end (1137) of the second refrigeration fin (1133), and being electrically connected to the refrigeration end (1137) of the first refrigeration fin (1131) and the refrigeration end (1137) of the second refrigeration fin (1133).