WO2021142842A1 - 一种用于锂离子电池的保护电路装置 - Google Patents

一种用于锂离子电池的保护电路装置 Download PDF

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Publication number
WO2021142842A1
WO2021142842A1 PCT/CN2020/073037 CN2020073037W WO2021142842A1 WO 2021142842 A1 WO2021142842 A1 WO 2021142842A1 CN 2020073037 W CN2020073037 W CN 2020073037W WO 2021142842 A1 WO2021142842 A1 WO 2021142842A1
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WO
WIPO (PCT)
Prior art keywords
heat dissipation
protective
protection circuit
circuit board
pcb substrate
Prior art date
Application number
PCT/CN2020/073037
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English (en)
French (fr)
Inventor
冯梓洋
曾伍军
付佳彬
Original Assignee
深圳市明唐通信有限公司
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Application filed by 深圳市明唐通信有限公司 filed Critical 深圳市明唐通信有限公司
Priority to PCT/CN2020/073037 priority Critical patent/WO2021142842A1/zh
Publication of WO2021142842A1 publication Critical patent/WO2021142842A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Definitions

  • the utility model relates to the field of lithium ion batteries, and more specifically, to a protection circuit device for lithium ion batteries.
  • the protection circuit board and the positioning board are usually connected and assembled by means of a bridge.
  • the use of the protective circuit device has the disadvantages of complicated assembly process, long assembly time, high cost, and poor heat dissipation effect.
  • the technical problem to be solved by the utility model is to provide an improved protection circuit device for lithium ion batteries.
  • the technical solution adopted by the utility model to solve its technical problems is: constructing a protection circuit device for lithium ion batteries, including a protection circuit board, a first protection heat dissipation plate, a second protection heat dissipation plate and a communication positioning module;
  • the first protective heat dissipation plate is arranged on one side of the protective circuit board with a gap between it and the protective circuit board;
  • the second protective heat dissipation plate is arranged on the side of the protective circuit board and the first protective heat dissipation plate opposite to each other, and a space is left between the protective circuit board and the protective circuit board;
  • the protection circuit board includes a PCB substrate and a charging and discharging module arranged on the PCB substrate; the charging and discharging module is arranged between the first protective heat dissipation plate and the PCB board;
  • the communication positioning module is integratedly arranged on the PCB substrate.
  • the communication positioning module includes a locator arranged on one surface of the PCB substrate and a card holder arranged on the other surface of the PCB substrate for the insertion of a SIM card.
  • it also includes a flat cable arranged on the PCB substrate.
  • the PCB substrate includes a length direction and a width direction;
  • the cable is arranged in the width direction of the PCB substrate
  • the charging and discharging module and the communication positioning module are arranged side by side along the width direction of the PCB substrate, and are arranged to extend toward the length direction of the PCB substrate.
  • the charging and discharging module includes a charging and discharging MOS tube and a charging and discharging chip arranged on the PCB substrate.
  • the protection circuit board further includes a voltage conversion module arranged on the PCB substrate;
  • the voltage conversion module and the communication positioning module are arranged side by side.
  • the protection circuit device for the lithium ion battery further includes a shield cover provided on the voltage conversion module.
  • the first protective heat dissipation plate and/or the second protective heat dissipation plate are both provided with a heat conduction pad for dissipating heat from the protective circuit board.
  • it further includes a connecting assembly connecting the first protective heat dissipation plate, the protective circuit board and the second protective heat dissipation plate;
  • the connecting assembly includes pins or screws penetrating through the first protective heat dissipation plate, the protective circuit board and the second protective heat dissipation plate.
  • it further includes an antenna connected to the communication positioning module;
  • the protective circuit device for lithium ion batteries of the present invention has the following beneficial effects: the protective circuit device for lithium ion batteries is provided on both sides of the protective circuit board and spaced apart from the protective circuit board.
  • the first protective heat dissipation plate and the second protective heat dissipation plate can facilitate the heat dissipation of the protective circuit board, thereby improving the heat dissipation effect of the protective circuit board.
  • the protective circuit device also integrates the communication positioning module on the protective circuit board. On the PCB substrate, there is no need to connect by a bridge connection, thereby saving assembly procedures, improving assembly efficiency, and reducing assembly costs.
  • Fig. 1 is a schematic structural diagram of a protection circuit device for a lithium ion battery in a first embodiment of the present invention
  • FIG. 2 is an exploded schematic diagram of the structure of the protection circuit device for the lithium ion battery shown in FIG. 1;
  • FIG. 3 is a schematic structural view of the top surface of the protection circuit board of the protection circuit device for lithium ion batteries shown in FIG. 1;
  • FIG. 4 is a schematic structural view of the back of the protective circuit board of the protective circuit device for lithium ion batteries shown in FIG. 1;
  • FIG. 5 is a schematic diagram of the structure of a protection circuit device for a lithium ion battery in a second embodiment of the present invention.
  • FIG. 6 is an exploded schematic diagram of the structure of the protection circuit device for the lithium ion battery shown in FIG. 1;
  • FIG. 7 is a schematic structural view of the top surface of the protection circuit board of the protection circuit device for lithium ion batteries shown in FIG. 1;
  • FIG. 8 is a schematic diagram of the structure of the back side of the protective circuit board of the protective circuit device for the lithium ion battery shown in FIG. 1.
  • Figures 1 and 2 show the first embodiment of the protective device for lithium-ion batteries of the present invention.
  • the protective device for lithium ion batteries can be used in electric bicycles and electric motorcycles to position and protect lithium ion batteries.
  • the protection device for lithium ion batteries has the advantages of good heat dissipation effect, convenient assembly, high assembly efficiency and low assembly cost.
  • the protection circuit device for lithium ion batteries may include a protection circuit board 10, a first protection heat dissipation plate 20, and a second protection heat dissipation plate 30.
  • the protection circuit board 10 can be used to position and protect the lithium ion battery.
  • the first protective heat dissipation plate 20 is arranged on one side of the protective circuit board 10 and a space is left between the protective circuit board 10 and the protective circuit board 10 to facilitate the dissipation of heat on the protective circuit board 10.
  • the second protective heat dissipation plate 30 is arranged on the side opposite to the protective circuit board 10 and the first protective heat dissipation plate 20, and a space is left between the protective circuit board 10 and the protective circuit board 10 to facilitate the protection circuit board.
  • the heat on 10 is dissipated.
  • the protection circuit board 10 may include a PCB substrate 11, a charging and discharging module 12, and a communication positioning module 13.
  • the PCB substrate 11 can be used to install the charging and discharging module 12 and the communication positioning module 13 and realize the communication or electrical connection between various components.
  • the charging and discharging module 12 is arranged on the PCB substrate 11 and can be used for charging and discharging a lithium ion battery.
  • the communication positioning module 13 is integrated on the PCB substrate 11 and can be used for positioning the lithium ion battery.
  • the PCB substrate 11 may be square or other shapes.
  • the PCB substrate 11 may include a length direction and a width direction.
  • a number of connection through holes 111 may also be provided on the PCB substrate 11. The number of connection through holes 111 may be four, and they may be located at the four top corners of the PCB substrate 11.
  • the charging and discharging module 12 may include a charging and discharging MOS tube 121 and a charging and discharging chip 122.
  • the charging and discharging MOS tube 121 and the charging and discharging chip 122 are arranged on the PCB substrate 11 and arranged along the length direction of the PCB substrate 11.
  • Each group of charge and discharge MOS tubes 121 may include two charge and discharge MOS tubes 121 arranged along the length direction of the PCB substrate 11.
  • the charging and discharging chip 122 may be multiple.
  • the number of charging and discharging chips 122 may be three.
  • the three charging and discharging chips 122 can be arranged side by side along the width direction of the PCB substrate 11.
  • the charging and discharging chip 122 may be a conventional chip.
  • the communication positioning module 13 and the charging and discharging module 12 may be arranged side by side along the width direction of the PCB substrate 11 and extend toward the length direction of the PCB substrate 11.
  • the communication positioning module 13 may include a positioner 131 and a card socket 132.
  • the positioner 131 can be arranged on one side of the PCB substrate 11, and it can be mounted on the PCB substrate 11 by means of a patch.
  • the positioner 131 can be integrated with a positioning module and Data communication module, the positioning module can be a GPS positioning module, the data communication module can be a GPRS communication module, a 2G/3G/4G communication module, a Bluetooth communication module, a WiFi communication module, which can be MT2502 series chips, MT2503 series chips, MT6261 Series chips, MT6260 series chips.
  • the card holder 132 can be arranged on the other surface of the PCB substrate 11 and electrically connected to the positioner 131, which can be used to insert the SIM card, thereby facilitating signal transmission. Understandably, in some other embodiments, the holder 132 and the positioner 131 are located on the same surface. Understandably, in some other embodiments, the card holder 132 may be omitted.
  • the SIM card can be an e-SIM card, which can be mounted on the PCB substrate by means of a patch.
  • the protection circuit board 10 further includes a voltage conversion module 14.
  • the voltage conversion module 14 can be arranged on the PCB substrate 11, and it and the communication positioning module 13 are arranged side by side along the length direction of the PCB substrate 11.
  • the power conversion module 14 may include a DC-DC step-down circuit.
  • the protection circuit device for a lithium ion battery may further include a shielding cover 15.
  • the shielding cover 15 can be arranged on the PCB substrate 11 and covered on the voltage conversion module 14, which can be used to prevent the components of the DC-DC step-down circuit in the voltage conversion module 14 from being interfered.
  • the material of the shielding cover 15 may be nickel silver. Understandably, in some other embodiments, the material of the shielding cover 15 may not be limited to nickel silver.
  • the protection circuit device for a lithium ion battery may further include a flat cable 16.
  • the cable 16 can be disposed on the PCB substrate 11 and located in the width direction of the PCB substrate 11.
  • the flat cable 16 can be used to connect to a lithium-ion battery.
  • an interface 17 may be further provided on the PCB substrate 11, and the interface 17 may be a USB interface or a Type-C interface, which may be located on an opposite side of the PCB substrate 11 and the shield cover 15. On the other hand, it can transmit data or signals by connecting to the data line. Understandably, in some other embodiments, the interface 17 may also be located on the same side of the shielding cover.
  • the first protective heat dissipation plate 20 can be made of aluminum or aluminum alloy, which has a good heat dissipation effect.
  • the first protective heat dissipation plate 20 may include a first plate body 21 and a plurality of first positioning posts 22 arranged on the first plate body 21.
  • the shape and size of the first board body 21 can be adapted to the shape and size of the PCB substrate 11.
  • the first board body 21 can also be provided with avoidance positions, and the plurality of avoidance positions can be used for the flat cable 16 to avoid.
  • the first positioning posts 22 can be arranged on the first board body 21 at intervals, and the plurality of first positioning posts 22 can be arranged in a one-to-one correspondence with the connection through holes 111, which can facilitate the connection and positioning of the first protective heat dissipation plate 20.
  • the first positioning column 22 is a hollow structure.
  • the first positioning post can be integrally formed with the first plate body 21. Further, in some embodiments, it can be integrally formed with the first plate body 21 by riveting.
  • the second protective heat dissipation plate 30 may be made of aluminum or aluminum alloy, which has a good heat dissipation effect.
  • the second protective heat dissipation plate 30 may include a second plate body 31 and a plurality of second positioning posts 32 arranged on the second plate body 31.
  • the shape and size of the second board body 31 can be adapted to the shape and size of the PCB substrate 11.
  • the second positioning posts 32 can be arranged on the second board body 31 at intervals, and the plurality of second positioning posts 32 can be arranged in a one-to-one correspondence with the connection through holes 111, which can facilitate the connection and positioning of the second protective heat dissipation plate 30.
  • the second positioning column 32 has a hollow structure.
  • the second positioning post can be integrally formed with the second board body 31. Further, in some embodiments, it can be integrally formed with the second plate body 31 by riveting.
  • the first protective heat dissipation plate 20 and the second protective heat dissipation plate 30 are both provided with a thermal pad 50.
  • the thermally conductive pad 50 can be arranged on the side of the first protective heat dissipation plate 20 opposite to the protective circuit board 10 and contact the protective circuit board 10, so as to transfer the heat on the side of the protective circuit board 10 from the first protective circuit board to the first Shield cooling plate 20.
  • the thermally conductive pad 50 is also arranged on the side of the second protective heat dissipation plate 30 opposite to the protective circuit board 10 and is in contact with the protective circuit board 10 so as to transfer heat from the other side of the protective circuit board 10 to the second protective circuit board.
  • Two protective cooling plate 30 Two protective cooling plate 30.
  • the thermal pad 50 By providing the thermal pad 50, the heat transfer efficiency can be improved.
  • the thermal pad 50 may be a silicone pad. Understandably, in some other embodiments, the thermal pad 50 may not be limited to be disposed on the first protective heat dissipation plate 20 or be disposed on the second protective heat dissipation plate 30.
  • the protection circuit device for a lithium ion battery may further include a connecting component 40.
  • the connecting assembly 40 can be used to connect the first protective heat dissipation plate 20, the protective circuit board 10 and the second protective heat dissipation plate 30.
  • the connecting component 40 may be a screw, and the screw may be arranged in a one-to-one correspondence with the first positioning post 22 and the second positioning post 32. The screw can pass through the first protective heat dissipation plate 20, the protective circuit board 10 and the second protective heat dissipation plate 30.
  • the screws can be penetrated in the first positioning post 22, the connecting through hole 111 and the second positioning post 32 one by one, so that the first protective heat dissipation plate 20, the protective circuit board 10 and the second protective heat dissipation The board 30 is connected.
  • the connecting assembly 40 may not be limited to a screw, and it may be a pin or others.
  • the protection circuit device for a lithium ion battery may further include an antenna (not shown).
  • the antenna (not shown) can be connected to the communication positioning module 13.
  • the antennas (not shown) can be two groups, one of which can be used for positioning signal transmission, and the other can be used for data communication transmission.
  • the protection circuit device for a lithium ion battery may also include a temperature detection element (not shown) and a temperature control element (not shown).
  • the temperature detection element (not shown) can be connected to the protection circuit board, and can be used to detect the temperature of the lithium ion battery and feed the temperature back to the protection circuit board.
  • the temperature detection element (not shown) may be a temperature sensor.
  • the temperature control element (not shown) can be connected to the protection circuit at one end, and can be connected to the lithium ion battery at the other end, which can be a temperature control switch. When the temperature of the lithium ion battery exceeds the set temperature, the temperature control switch can be turned off, so that the lithium ion battery can be protected.
  • Each group of charging and discharging MOS tubes 121 may include four charging and discharging MOS tubes 121 arranged at intervals along the length direction of the PCB substrate 11, and the charging and discharging chips 122 include four charging and discharging chips arranged at intervals along the width direction of the PCB substrate 11. 122.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

一种用于锂离子电池的保护电路装置,包括保护电路板(10)、第一防护散热板(20)、第二防护散热板(30)以及通信定位模块(13);所述第一防护散热板(20)设置于所述保护电路板(10)一侧且与所述保护电路板(10)之间留设有间隔;所述第二防护散热板(30)设置于所述保护电路板(10)与所述第一防护散热板(20)相背设置的一侧,且与所述保护电路板(10)之间留设有间隔;所述保护电路板(10)包括PCB基板(11)以及设置于所述PCB基板(11)上的充放电模块(12);所述充放电模块(12)设置于所述第一防护散热板(20)和所述PCB基板(11)之间;所述通信定位模块(13)集成设置于所述PCB基板(11)上。该用于锂离子电池的保护装置具有散热效果好、组装方便、组装效率高、组装成本低的优点。

Description

一种用于锂离子电池的保护电路装置 技术领域
本实用新型涉及锂离子电池领域,更具体地说,涉及一种用于锂离子电池的保护电路装置。
背景技术
相关技术中的保护电路装置,通常将保护电路板与定位板通过桥接的方式进行连接和组装。
技术问题
采用该保护电路装置,存在组装工序繁琐、组装时间长、成本高、散热效果差的缺陷。
技术解决方案
本实用新型要解决的技术问题在于,提供一种改进的用于锂离子电池的保护电路装置。
本实用新型解决其技术问题所采用的技术方案是:构造一种用于锂离子电池的保护电路装置,包括保护电路板、第一防护散热板、第二防护散热板以及通信定位模块;
所述第一防护散热板设置于所述保护电路板一侧且与所述保护电路板之间留设有间隔;
所述第二防护散热板设置于所述保护电路板与所述第一防护散热板相背设置的一侧,且与所述保护电路板之间留设有间隔;
所述保护电路板包括PCB基板以及设置于所述PCB基板上的充放电模块;所述充放电模块设置于所述第一防护散热板和所述PCB板之间;
所述通信定位模块集成设置于所述PCB基板上。
优选地,所述通信定位模块包括设置于所述PCB基板一面上的定位器、以及设置于所述PCB基板另一面上以供SIM卡插接的卡座。
优选地,还包括设置于所述PCB基板上的排线。
优选地,所述PCB基板包括长度方向以及宽度方向;
所述排线设置于所述PCB基板的所述宽度方向上;
所述充放电模块和所述通信定位模块沿所述PCB基板的所述宽度方向并排设置,且朝所述PCB基板的所述长度方向延伸设置。
优选地,所述充放电模块包括设置于所述PCB基板上的充放电MOS管和充放电芯片。
优选地,所述保护电路板还包括设置于所述PCB基板上的电压转换模块;
所述电压转换模块与所述通信定位模块并排设置。
优选地,所述用于锂离子电池的保护电路装置还包括罩设于所述电压转换模块上的屏蔽罩。
优选地,所述第一防护散热板和/或所述第二防护散热板上均设有以将所述保护电路板热量导出的导热垫。
优选地,还包括连接所述第一防护散热板、所述保护电路板和所述第二防护散热板的连接组件;
所述连接组件包括穿设于所述第一防护散热板、所述保护电路板和所述第二防护散热板的销钉或者螺钉。
优选地,还包括与所述通信定位模块连接的天线;
和/或,还包括与所述保护电路板连接以检测锂离子电池温度的温度检测元件以及温控元件。
有益效果
实施本实用新型的用于锂离子电池的保护电路装置,具有以下有益效果:该用于锂离子电池的保护电路装置,通过在该保护电路板的两侧分别设置与该保护电路板间隔设置的第一防护散热板和第二防护散热板,从而可便于该保护电路板散热,进而可提高该保护电路板的散热效果,该保护电路装置还通过将通信定位模块集成设置于该保护电路板的PCB基板上,从而无需通过桥接方式连接,进而可节约组装的工序,提高组装效率,降低组装成本。
附图说明
下面将结合附图及实施例对本实用新型作进一步说明,附图中:
图1是本实用新型第一实施例中用于锂离子电池的保护电路装置的结构示意图;
图2是图1所示用于锂离子电池的保护电路装置的结构分解示意图;
图3是图1所示用于锂离子电池的保护电路装置的保护电路板顶面的结构示意图;
图4是图1所示用于锂离子电池的保护电路装置的保护电路板背面的结构示意图;
图5是本实用新型第二实施例中用于锂离子电池的保护电路装置的结构示意图;
图6是图1所示用于锂离子电池的保护电路装置的结构分解示意图;
图7是图1所示用于锂离子电池的保护电路装置的保护电路板顶面的结构示意图;
图8是图1所示用于锂离子电池的保护电路装置的保护电路板背面的结构示意图。
本发明的最佳实施方式
为了对本实用新型的技术特征、目的和效果有更加清楚的理解,现对照附图详细说明本实用新型的具体实施方式。
图1及图2示出了本实用新型用于锂离子电池的保护装置的第一实施例。该用于锂离子电池的保护装置可用于电动自行车、电动摩托车中,对锂离子电池进行定位保护。该用于锂离子电池的保护装置具有散热效果好、组装方便、组装效率高、组装成本低的优点。
如图1及图2所示,进一步地,在本实施例中,该用于锂离子电池的保护电路装置可包括保护电路板10、第一防护散热板20、以及第二防护散热板30。该保护电路板10可用于对锂离子电池进行定位保护。该第一防护散热板20设置于该保护电路板10一侧,且与该保护电路板10之间留设有间隔,以便于将该保护电路板10上的热量散出。该第二防护散热板30设置与该保护电路板10与该第一防护散热板20相背设置的一侧,且与该保护电路板10之间留设有间隔,以便于将该保护电路板10上的热量散出。
如图2至图4所示,进一步地,在本实施例中,该保护电路板10可包括PCB基板11、充放电模块12、以及通信定位模块13。该PCB基板11可用于供该充放电模块12和通信定位模块13安装,且实现各个部件之间的通信或者电连接。该充放电模块12设置于该PCB基板11上,其可用于对锂离子电池进行充放电。该通信定位模块13集成设置于该PCB基板11上,其可用于对锂离子电池进行定位。
进一步地,在本实施例中,该PCB基板11可以呈方形或者其他形状。在本实施例中,该PCB基板11可包括长度方向以及宽度方向。该PCB基板11上还可设置若干连接通孔111。该若干连接通孔111可以为四个,其可位于该PCB基板11的四个顶角。
进一步地,在本实施例中,该充放电模块12可包括充放电MOS管121和充放电芯片122。该充放电MOS管121和该充放电芯片122设置于该PCB基板11上,且沿该PCB基板11的长度方向排列设置。该充放电MOS管121可以为多个,在本实施例中,该充放电MOS管121可以为两组,该两组充放电MOS管121可沿该PCB基板11的宽度方向并排设置。每组充放电MOS管121可包括沿该PCB基板11的长度方向设置的两个充放电MOS管121。该充放电芯片122可以为多个。在本实施例中,该充放电芯片122可以为三个。该三个充放电芯片122可沿该PCB基板11的宽度方向排列设置。该充放电芯片122可以为常规芯片。
进一步地,在本实施例中,该通信定位模块13和该充放电模块12可沿该PCB基板11的宽度方向并排设置,且朝该PCB基板11的长度方向延伸设置。该通信定位模块13可包括定位器131以及卡座132。该定位器131可设置于该PCB基板11一面上,其可通过贴片的方式安装于该PCB基板11上,可以选择的,在本实施例中,该定位器131可集成设置有定位模块以及数据通信模块,该定位模块可以为GPS定位模块,数据通信模块可以为GPRS通信模块、2G/3G/4G通信模块、蓝牙通信模块、WiFi通信模块,其可以是MT2502系列芯片、MT2503系列芯片、MT6261系列芯片、MT6260系列芯片。该卡座132可设置于该PCB基板11另一面上,并与该定位器131电导通,其可用于该SIM卡插接,进而便于实现信号传输。可以理解地,在其他一些实施例中,该卡座132与该定位器131位于同一面上。可以理解地,在其他一些实施例中,该卡座132可以省去。该SIM卡可以采用e-SIM卡,其可通过贴片的方式设置于该PCB基板上。
进一步地,在本实施例中,保护电路板10还包括电压转换模块14。该电压转换模块14可设置于该PCB基板11上,且其与该通信定位模块13沿该PCB基板11的长度方向并排设置。在本实施例中,可以选择的,该电源转换模块14可包括DC-DC降压电路。
进一步地,在本实施例中,该用于锂离子电池的保护电路装置还可包括屏蔽罩15。该屏蔽罩15可设置于该PCB基板11上,且罩设于该电压转换模块14上,其可用于防止该电压转换模块14中的DC-DC降压电路的各部件受到干扰。可以选择的,该屏蔽罩15的材质可以为洋白铜,可以理解地,在其他一些实施例中,该屏蔽罩15的材质可以不限于洋白铜。
进一步地,在本实施例中,该用于锂离子电池的保护电路装置还可包括排线16。该排线16可设置于该PCB基板11上,其位于该PCB基板11的宽度方向上。该排线16可用于与锂离子电池连接。
进一步地,在本实施例中,该PCB基板11上还可设置接口17,该接口17可以为USB接口或者Type-C接口,其可位于该PCB基板11与该屏蔽罩15相背设置的一侧,其可通过接入数据线进行数据或者信号传输。可以理解地,在其他一些实施例中,该接口17也可以与该屏蔽罩位于同一侧。
再如图1及图2所示,进一步地,在本实施例中,该第一防护散热板20可采用铝或者铝合金制成,其具有良好的散热效果。该第一防护散热板20可包括第一板本体21、以及设置于该第一板本体21上的若干第一定位柱22。该第一板本体21的形状以及尺寸可与该PCB基板11的形状以及尺寸相适配。该第一板本体21上还可设置避让位,该若干避让位可以给排线16避让。该第一定位柱22可间隔设置于该第一板本体21上,该若干第一定位柱22可与该连接通孔111一一对应设置,其可便于该第一防护散热板20连接定位。该第一定位柱22为中空结构。该第一定位柱可与该第一板本体21一体成型。进一步地,在一些实施例中,其可与该第一板本体21通过铆压一体成型。
进一步地,在本实施例中,该第二防护散热板30可采用铝或者铝合金制成,其具有良好的散热效果。该第二防护散热板30可包括第二板本体31、以及设置于该第二板本体31上的若干第二定位柱32。该第二板本体31的形状以及尺寸可与该PCB基板11的形状以及尺寸相适配。该第二定位柱32可间隔设置于该第二板本体31上,该若干第二定位柱32可与该连接通孔111一一对应设置,其可便于该第二防护散热板30连接定位。该第二定位柱32为中空结构。该第二定位柱可与该第二板本体31一体成型。进一步地,在一些实施例中,其可与该第二板本体31通过铆压一体成型。
进一步地,在本实施例中,该第一防护散热板20和该第二防护散热板30上均设有导热垫50。该导热垫50可设置于该第一防护散热板20与保护电路板10相对设置的一侧并与该保护电路板10接触,以将该保护电路板10一侧的热量从该传递至第一防护散热板20。该导热垫50还设置于该第二防护散热板30与该保护电路板10相对设置的一侧并与该保护电路板10接触,以将该保护电路板10另一侧的热量传递至该第二防护散热板30。通过设置该导热垫50可提高传热效率。在本实施例中,该导热垫50可以为硅胶垫。可以理解地,在其他一些实施例中,该导热垫50可以不限于设置于该第一防护散热板20上或者设置于该第二防护散热板30上。
进一步地,在本实施例中,该用于锂离子电池的保护电路装置还可包括连接组件40。该连接组件40可用于连接该第一防护散热板20、保护电路板10和第二防护散热板30。在本实施例中,该连接组件40可以为螺钉,该螺钉可以与该第一定位柱22、第二定位柱32一一对应设置。该螺钉可穿设于该第一防护散热板20、保护电路板10和第二防护散热板30上。具体地,该螺钉可一一对应穿设于该第一定位柱22、连接通孔111以及第二定位柱32中,以将该第一防护散热板20、保护电路板10和第二防护散热板30连接。可以理解地,在其他一些实施例中,该连接组件40可以不限于螺钉,其可以为销钉或者其他。
进一步地,在本实施例中,该用于锂离子电池的保护电路装置还可包括天线(未示出)。该天线(未示出)可与该通信定位模块13连接。该天线(未示出)可以为两组,其中一组可用于定位信号传输,另一组可用于数据通信传输。
进一步地,在本实施例中,该用于锂离子电池的保护电路装置还可温度检测元件(未示出)和温控元件(未示出)。该温度检测元件(未示出)可以与该保护电路板连接,其可用于检测该锂离子电池的温度,并将温度反馈至该保护电路板。在一些实施例中,该温度检测元件(未示出)可以为温度传感器。该温控元件(未示出)可以一端可与该保护电路连接,另一端可以与该锂离子电池连接,其可以为温控开关。当该锂离子电池的温度超过设定温度时,该温控开关可以断开,从而可以对该锂离子电池起到保护的作用。
图3及图4示出了本实用新型用于锂离子电池的保护电路装置的第二实施例,其与该第一实施例的区别在于,该保护电路板10的长度大于该第一实施例保护电路板10的长度。每组充放电MOS管121可以包括沿该PCB基板11的长度方向间隔设置的四个充放电MOS管121,该充放电芯片122包括沿该PCB基板11的宽度方向间隔设置的四个充放电芯片122。
可以理解的,以上实施例仅表达了本实用新型的优选实施方式,其描述较为具体和详细,但并不能因此而理解为对本实用新型专利范围的限制;应当指出的是,对于本领域的普通技术人员来说,在不脱离本实用新型构思的前提下,可以对上述技术特点进行自由组合,还可以做出若干变形和改进,这些都属于本实用新型的保护范围;因此,凡跟本实用新型权利要求范围所做的等同变换与修饰,均应属于本实用新型权利要求的涵盖范围。

Claims (10)

  1. 一种用于锂离子电池的保护电路装置,其特征在于,包括保护电路板(10)、第一防护散热板(20)、第二防护散热板(30)以及通信定位模块(13);
    所述第一防护散热板(20)设置于所述保护电路板(10)一侧且与所述保护电路板(10)之间留设有间隔;
    所述第二防护散热板(30)设置于所述保护电路板(10)与所述第一防护散热板(20)相背设置的一侧,且与所述保护电路板(10)之间留设有间隔;
    所述保护电路板(10)包括PCB基板(11)以及设置于所述PCB基板(11)上的充放电模块(12);所述充放电模块(12)设置于所述第一防护散热板(20)和所述PCB板之间;
    所述通信定位模块(13)集成设置于所述PCB基板(11)上。
  2. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,所述通信定位模块(13)包括设置于所述PCB基板(11)一面上的定位器(131)、以及设置于所述PCB基板(11)另一面上以供SIM卡插接的卡座(132)。
  3. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,还包括设置于所述PCB基板(11)上的排线(16)。
  4. 根据权利要求3所述的用于锂离子电池的保护电路装置,其特征在于,所述PCB基板(11)包括长度方向以及宽度方向;
    所述排线(16)设置于所述PCB基板(11)的所述宽度方向上;
    所述充放电模块(12)和所述通信定位模块(13)沿所述PCB基板(11)的所述宽度方向并排设置,且朝所述PCB基板(11)的所述长度方向延伸设置。
  5. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,所述充放电模块(12)包括设置于所述PCB基板(11)上的充放电MOS管(121)和充放电芯片(122)。
  6. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,所述保护电路板(10)还包括设置于所述PCB基板(11)上的电压转换模块(14);
    所述电压转换模块(14)与所述通信定位模块(13)并排设置。
  7. 根据权利要求6所述的用于锂离子电池的保护电路装置,其特征在于,所述用于锂离子电池的保护电路装置还包括罩设于所述电压转换模块(14)上的屏蔽罩(15)。
  8. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,所述第一防护散热板(20)和/或所述第二防护散热板(30)上均设有以将所述保护电路板(10)热量导出的导热垫(50)。
  9. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,还包括连接所述第一防护散热板(20)、所述保护电路板(10)和所述第二防护散热板(30)的连接组件(40);
    所述连接组件(40)包括穿设于所述第一防护散热板(20)、所述保护电路板(10)和所述第二防护散热板(30)的销钉或者螺钉。
  10. 根据权利要求1所述的用于锂离子电池的保护电路装置,其特征在于,还包括与所述通信定位模块(13)连接的天线;
    和/或,还包括与所述保护电路板(10)连接以检测锂离子电池温度的温度检测元件以及温控元件。
     
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