CN204340931U - A kind of high-tension distribution box of electronlmobil - Google Patents
A kind of high-tension distribution box of electronlmobil Download PDFInfo
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- CN204340931U CN204340931U CN201420844341.2U CN201420844341U CN204340931U CN 204340931 U CN204340931 U CN 204340931U CN 201420844341 U CN201420844341 U CN 201420844341U CN 204340931 U CN204340931 U CN 204340931U
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- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
本实用新型涉及电动车技术领域，尤其涉及一种电动汽车的高压配电箱。它包括箱体和箱盖，箱体内设置有与动力电池输出端连接的继电器和与继电器连接的高压连接器，和与继电器连接的控制板，控制板上连接有用于与CAN信号输出端、点火锁信号输出端、碰撞信号输出端、充电唤醒信号输出端、充电信号输出端、电池包CAN信号输出端中一个或几个连接的信号连接器，高压连接器内设置有与控制板连接的高压互锁开关。本实用新型在箱体内增设了主控板，通过继电器实现各连接器的电力分配，同时在主控板上连接一系列信号连接器，通过主控板进行信号的控制，使动力电池的部分功能能在配电箱内完成，减轻了动力电池的压力，使配电箱多功能化且集成度较高，节约空间。
The utility model relates to the technical field of electric vehicles, in particular to a high-voltage distribution box of the electric vehicle. It includes a box body and a box cover. The box body is provided with a relay connected to the output terminal of the power battery, a high-voltage connector connected to the relay, and a control board connected to the relay. The control board is connected to the CAN signal output terminal, ignition Lock signal output terminal, collision signal output terminal, charging wake-up signal output terminal, charging signal output terminal, battery pack CAN signal output terminal, one or several connected signal connectors, the high-voltage connector is provided with a high-voltage connector connected to the control board Interlock switch. The utility model adds a main control board in the box, realizes the power distribution of each connector through the relay, and connects a series of signal connectors on the main control board at the same time, controls the signal through the main control board, and makes some functions of the power battery It can be completed in the distribution box, which reduces the pressure on the power battery, makes the distribution box multi-functional and highly integrated, and saves space.
Description
技术领域technical field
本实用新型涉及电动车技术领域，尤其涉及一种电动汽车的高压配电箱。The utility model relates to the technical field of electric vehicles, in particular to a high-voltage distribution box of the electric vehicle.
背景技术Background technique
新能源汽车是解决汽车交通所面临的能源和污染问题的有效途径，以电能作为动力源的混合动力或纯电动汽车代表了汽车产业未来的发展方向。目前电动汽车存在充电时间长、安全性能有待提高、续航里程低等问题。高压配电箱作为电动汽车高压安全的重要保护屏障，其主要功能有：按照整车上、下电控制要求，接通或断开高压回路；提供电流及漏电检测端子；当电池包外部电流过大时，能实现可控的带载切断；当电池包外部线路发生短路时，配电箱内熔断器断开动力电池组高压回路，防止电池组因短路造成起火爆炸；配电箱箱体能为内部高压元器件提供绝缘、振动、阻燃等方面的保护，对电池组使用人员提供触电防护。现有技高压配电箱仅具有配电功能，功能单一；由于配电箱的固定支架与箱体固定死，车型不同时也不能调整固定支架，导致箱体的可移植性差；箱体内的高压元器件之间采用线缆连接，安全性差，而配电箱的密封性能也有待提高。New energy vehicles are an effective way to solve the energy and pollution problems faced by automobile traffic. Hybrid or pure electric vehicles with electric energy as the power source represent the future development direction of the automobile industry. At present, electric vehicles have problems such as long charging time, poor safety performance, and low cruising range. The high-voltage distribution box is an important protective barrier for the high-voltage safety of electric vehicles. Its main functions are: to connect or disconnect the high-voltage circuit according to the requirements of the vehicle's power-on and power-off control; to provide current and leakage detection terminals; When it is large, it can realize controllable on-load cut-off; when the external circuit of the battery pack is short-circuited, the fuse in the power distribution box will disconnect the high-voltage circuit of the power battery pack to prevent the battery pack from igniting and exploding due to the short circuit; the body of the power distribution box can Provide insulation, vibration, flame retardant and other protection for internal high-voltage components, and provide electric shock protection for battery pack users. The prior art high-voltage distribution box only has power distribution function, and the function is single; because the fixed bracket of the distribution box is fixed to the box body, the fixed bracket cannot be adjusted when the vehicle model is different, resulting in poor portability of the box body; Components are connected by cables, which is not safe, and the sealing performance of the distribution box needs to be improved.
实用新型内容Utility model content
本实用新型的目的在于提供一种电动汽车的高压配电箱。它具有较好的密封性能，功能多样化，且具有较好的可移植性和安全性。The purpose of the utility model is to provide a high-voltage distribution box of an electric vehicle. It has good sealing performance, diversified functions, good portability and safety.
本实用新型的技术方案为：一种电动汽车的高压配电箱，包括箱体和箱盖，所述的箱体内设置有与动力电池输出端连接的继电器和与继电器连接的高压连接器，所述的高压连接器包括PTC连接器、空调连接器、慢充连接器、快充连接器、MCU连接器，还包括与继电器连接的控制板，所述的控制板上连接有用于与CAN信号输出端、点火锁信号输出端、碰撞信号输出端、充电唤醒信号输出端、充电信号输出端、电池包CAN信号输出端中一个或几个连接的信号连接器，所述的继电器包括与PTC连接器、空调连接器、慢充连接器连接的附件继电器、与MCU连接器连接的正极继电器和与快充连接器连接的快充继电器，所述的PTC连接器、空调连接器、慢充连接器、快充连接器、MCU连接器中的一个或几个内设置有与控制板连接的高压互锁开关。The technical scheme of the utility model is: a high-voltage power distribution box for an electric vehicle, including a box body and a box cover. The box body is provided with a relay connected to the output end of the power battery and a high-voltage connector connected to the relay. The high-voltage connectors described above include PTC connectors, air-conditioning connectors, slow-charge connectors, fast-charge connectors, and MCU connectors, and also include a control board connected to the relay, and the control board is connected with CAN signal output Terminal, ignition lock signal output terminal, collision signal output terminal, charging wake-up signal output terminal, charging signal output terminal, battery pack CAN signal output terminal, one or more signal connectors connected, the relay includes a PTC connector , the air conditioner connector, the accessory relay connected to the slow charge connector, the positive relay connected to the MCU connector and the fast charge relay connected to the fast charge connector, the PTC connector, the air conditioner connector, the slow charge connector, A high-voltage interlock switch connected to the control board is arranged in one or several of the fast charging connector and the MCU connector.
进一步的，所述的箱盖边缘设置有向下弯折的翻边。Further, the edge of the box cover is provided with a flange bent downward.
进一步的，所述的箱体底部通过螺栓固定有与电动车连接的固定支架。Further, the bottom of the box body is fixed with a fixing bracket connected with the electric vehicle through bolts.
进一步的，所述的箱体与高压连接器通过连接器固定孔采用螺栓连接，所述的连接器固定孔为盲孔。Further, the box body and the high-voltage connector are connected by bolts through connector fixing holes, and the connector fixing holes are blind holes.
进一步的，所述动力电池输出端正极与正极继电器通过第一铜排连接，所述正极继电器与MCU连接器通过第二铜排连接。Further, the positive pole of the output terminal of the power battery is connected to the positive relay through the first copper bar, and the positive relay is connected to the MCU connector through the second copper bar.
更进一步的，所述的附件继电器与PTC连接器、空调连接器、慢充连接器之间设置有熔断器，所述的熔断器固定在熔断座上。Further, a fuse is arranged between the accessory relay and the PTC connector, the air conditioner connector, and the slow charging connector, and the fuse is fixed on the fuse seat.
本实用新型的有益效果为：本实用新型在箱体内增设了主控板，通过继电器实现各连接器的电力分配，同时在主控板上连接一系列信号连接器，通过主控板进行信号的控制，使动力电池的部分功能能在配电箱内完成，减轻了动力电池的压力，使配电箱多功能化且集成度较高，节约空间。箱体内部的高压器件采用铜排连接，安全性能高。箱体与连接器连接处均采用盲孔设计，用于连接的螺栓均位于盲孔内，具有较好的密封性和防水性。而箱盖边缘设计向下的翻边，翻边对体的上端面的侧面进行遮挡密封，防水防尘性更好。箱体底部的固定支架采用螺栓固定的方式连接，配电箱在根据不同车型进行安装时，可以自由根据车型拆卸安装合适该车型的固定支架，使整个配电箱具有更好的可移植性和适用性。The beneficial effects of the utility model are as follows: the utility model adds a main control board in the box body, realizes the power distribution of each connector through the relay, and connects a series of signal connectors on the main control board at the same time, and performs signal switching through the main control board. Control, so that part of the functions of the power battery can be completed in the power distribution box, which reduces the pressure on the power battery, makes the power distribution box multi-functional and highly integrated, and saves space. The high-voltage components inside the box are connected by copper bars, which has high safety performance. The connection between the box body and the connector adopts a blind hole design, and the bolts used for connection are all located in the blind hole, which has good sealing and water resistance. The edge of the box cover is designed with a downward flanging, which shields and seals the side of the upper end surface of the body, and has better waterproof and dustproof performance. The fixing bracket at the bottom of the box is connected by bolts. When the distribution box is installed according to different models, you can freely disassemble and install the fixing bracket suitable for the model according to the model, so that the entire distribution box has better portability and reliability. applicability.
附图说明Description of drawings
图1为本实用新型分解结构示意图；Fig. 1 is a schematic diagram of the decomposition structure of the utility model;
图2为本实用新型箱体内部结构示意图；Fig. 2 is a schematic diagram of the internal structure of the utility model box;
图3为本实用新型省略箱体内部部件的分解结构示意图；Fig. 3 is a schematic diagram of the exploded structure of the utility model omitting the inner parts of the box;
图4为本实用新型盖板结构示意图；Fig. 4 is the structure schematic diagram of the utility model cover plate;
图5为本实用新型安装支架与箱体底部连接结构示意图；Fig. 5 is a schematic diagram of the connection structure between the mounting bracket and the bottom of the box body of the present invention;
图6为本实用新型箱体内部电路连接原理图；Fig. 6 is a schematic diagram of the circuit connection inside the cabinet of the utility model;
图7为本实用新型控制板与信号连接器和外部信号连接的局部放大图；Figure 7 is a partial enlarged view of the connection between the control board of the present invention and the signal connector and external signals;
具体实施方式detailed description
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。此外，下面所描述的本实用新型各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.
本实用新型所示的高压配电箱由箱体1、箱盖2和用于固定箱体1的固定支架3组成。如图1和2所示，在箱体1内部设置有几个继电器和高压连接器，其中，继电器包括附件继电器20(如图6所示)，正极继电器11和快充继电器10。高压连接器包括快充连接器4、PTC连接器5、空调连接器6、慢充连接器7、信号连接器8、MCU连接器9和动力输入连接器10。如图6所示，其中继电器线圈均是一端与控制板17连接，另一端接地，触点一端均与动力输入连接器10连接，而动力输入连接器10与动力电池输出端21连接，用于为附件继电器20、正极继电器11和快充继电器10供电。附件继电器20触点另一端与慢充连接器7、空调连接器6、PTC连接器5连接，正极继电器11触点另一端与MCU连接器9连接，快充继电器10触点另一端与快充连接器4连接。在箱体内还设置有一个控制盒8，控制盒8内设置有一块控制板17，本实施例中控制板17为型号是MC9S12XET256MAL的控制芯片，控制板17与附件继电器20、正极继电器11和快充继电器10均有连接，用于控制几个继电器的通断。在动力输入连接器10、慢充连接器7、空调连接器6、PTC连接器5内均设置有高压互锁开关19，在连接器内的插头未插稳或连接器未插插头时，与该连接器对应的高压互锁开关自动断开，控制板17检测到来自于该高压互锁开关的信号，通过断开与该连接器连接的继电器的方式，中断对该连接器的供电，已达到保护负载的目的。在附件继电器20与慢充连接器7、空调连接器6、PTC连接器5之间均设置有熔断器18，在箱体内设置有一个熔断座9，熔断器18通过螺栓固定在熔断座9内的熔断槽24内。任何一个回路发生短路都会断开该附件回路，但不会影响整车其他负载的运行，而三个熔断器18共同固定于熔断座9上，提升了箱体内整体空间利用率，便于箱体的拆卸与组装。本发明箱体内的各高压器件之间均采用铜排12连接，提高了各器件之间连接关系的稳定性和安全性。如：动力电池输出端21正极与正极继电器11通过第一铜排22连接，正极继电器11与MCU连接器9通过第二铜排23连接。The high-voltage distribution box shown in the utility model is composed of a box body 1, a box cover 2 and a fixed support 3 for fixing the box body 1. As shown in FIGS. 1 and 2 , several relays and high-voltage connectors are arranged inside the box body 1 , wherein the relays include an accessory relay 20 (as shown in FIG. 6 ), a positive pole relay 11 and a fast charging relay 10 . The high-voltage connectors include fast charging connector 4 , PTC connector 5 , air conditioner connector 6 , slow charging connector 7 , signal connector 8 , MCU connector 9 and power input connector 10 . As shown in Figure 6, one end of the relay coil is connected to the control board 17, the other end is grounded, one end of the contact is connected to the power input connector 10, and the power input connector 10 is connected to the output terminal 21 of the power battery for Supply power to accessory relay 20, positive relay 11 and fast charging relay 10. The other end of the contact of the accessory relay 20 is connected to the slow charging connector 7, the air conditioner connector 6, and the PTC connector 5, the other end of the contact of the positive relay 11 is connected to the MCU connector 9, and the other end of the contact of the fast charging relay 10 is connected to the fast charging Connector 4 is connected. A control box 8 is also arranged in the box, and a control board 17 is arranged in the control box 8. In this embodiment, the control board 17 is a control chip whose model is MC9S12XET256MAL. Charge relay 10 all has connection, is used for controlling the on-off of several relays. The power input connector 10, the slow charging connector 7, the air conditioner connector 6, and the PTC connector 5 are all provided with a high-voltage interlock switch 19. When the plug in the connector is not inserted firmly or the connector is not plugged in, the The high-voltage interlock switch corresponding to the connector is automatically disconnected, and the control board 17 detects a signal from the high-voltage interlock switch, and interrupts the power supply to the connector by disconnecting the relay connected to the connector. To achieve the purpose of protecting the load. A fuse 18 is provided between the accessory relay 20 and the slow charging connector 7, the air conditioner connector 6, and the PTC connector 5, and a fuse seat 9 is provided in the box, and the fuse 18 is fixed in the fuse seat 9 by bolts Inside the fuse slot 24. A short circuit in any circuit will disconnect the accessory circuit, but it will not affect the operation of other loads in the vehicle, and the three fuses 18 are jointly fixed on the fuse seat 9, which improves the overall space utilization in the box and facilitates the installation of the box. Disassembly and assembly. All high-voltage devices in the box of the present invention are connected by copper bars 12, which improves the stability and safety of the connection relationship between the devices. For example: the positive pole of the power battery output terminal 21 is connected to the positive relay 11 through the first copper bar 22 , and the positive relay 11 is connected to the MCU connector 9 through the second copper bar 23 .
控制板17上连接有信号连接器8，信号连接器8与CAN信号输出端、点火锁信号输出端、碰撞信号输出端、充电唤醒信号输出端、充电信号输出端、电池包CAN信号输出端连接。如图7所示，信号连接器8的A端口与点火锁信号输出端中的ON档信号连接，R端口与点火锁信号输出端中的ACC档信号连接；CAN信号输出端的整车高低电平输出端分别与L和M端口连接；12V常电与B端口连接，12V地与C端口连接，用于为控制板17供电；电池包CAN信号输出端即内部CAN信号的高低电平输出端分别与J和K端口连接；充电唤醒信号输出端即车载充电机使能信号输出端与端口T连接；充电信号输出端中的CP信号即充电通信确认信号与端口V连接，CC信号即充电确认信号与端口U连接；碰撞信号输出端与端口Y连接。信号连接器8与各个信号连接的端口可以根据实际状况进行变换，而控制板17不仅限于单片机，其型号也不固定，只要能够实现本发明功能的部件均应考虑在内。控制板通过信号连接器8与外部信号连接，实现了动力电池的部分功能，减轻了电动汽车动力电池的压力，而其对继电器的控制实现了配电箱的配电功能，故本发明所示配电箱的功能多样化，且由于高集成度，内部结构比较简单。The signal connector 8 is connected to the control board 17, and the signal connector 8 is connected to the CAN signal output terminal, the ignition lock signal output terminal, the collision signal output terminal, the charging wake-up signal output terminal, the charging signal output terminal, and the battery pack CAN signal output terminal . As shown in Figure 7, the A port of the signal connector 8 is connected to the ON gear signal in the ignition lock signal output end, and the R port is connected to the ACC gear signal in the ignition lock signal output end; The output ends are respectively connected to the L and M ports; the 12V constant power is connected to the B port, and the 12V ground is connected to the C port for powering the control board 17; the CAN signal output of the battery pack is the high and low level output of the internal CAN signal respectively Connect with J and K ports; the charging wake-up signal output end, that is, the vehicle charger enable signal output end, is connected to port T; the CP signal in the charging signal output end, that is, the charging communication confirmation signal, is connected to port V, and the CC signal is the charging confirmation signal Connect with port U; connect the collision signal output with port Y. The port that signal connector 8 is connected with each signal can be transformed according to actual conditions, and control board 17 is not limited to single-chip microcomputer, and its model is not fixed, as long as the parts that can realize the function of the present invention should be taken into account. The control board is connected with the external signal through the signal connector 8, which realizes some functions of the power battery, reduces the pressure on the power battery of the electric vehicle, and realizes the power distribution function of the power distribution box through the control of the relay, so the power distribution box shown in the present invention The functions of the distribution box are diversified, and due to the high integration, the internal structure is relatively simple.
如图3-5所示，本实用新型的箱体1与箱盖2之间设置有一个密封条13，箱盖2的边缘设置有向下弯折的翻边15，在箱盖2盖在箱体1上时，翻边15与箱体1顶部的侧面相接触，形成对箱体1侧面方向的密封，加上密封条13的进一步密封，其密封效果更好。固定支架3通过螺栓16固定在箱体1底部两侧，再通过固定支架实现与电动汽车的固定。在车型不同时，可以拧下固定支架3与箱体1之间的螺栓，选用形状大小合适的固定支架3进行替换，使得本发明的配电箱的可移植性更高。箱体1上的连接器固定孔14和其它元器件固定孔均采用盲孔设计，在连接器及其它元器件与箱体通过螺栓连接时，螺栓嵌入盲孔内，具有更好的密封性和防水防尘性。箱体1均采用铝合金材质，提升了配电箱的电磁兼容性，而为了提升箱体1的绝缘性能，在箱体1内侧还涂有绝缘漆。As shown in Figure 3-5, a sealing strip 13 is arranged between the box body 1 and the box cover 2 of the present invention, and the edge of the box cover 2 is provided with a downwardly bent flanging 15, and the box cover 2 covers the When the box body 1 is on, the flange 15 is in contact with the side surface of the box body 1 top, forming a seal to the side direction of the box body 1, and the further sealing of the sealing strip 13 is added, and the sealing effect is better. The fixing bracket 3 is fixed on both sides of the bottom of the box body 1 by bolts 16, and then is fixed to the electric vehicle through the fixing bracket. When the vehicle models are different, the bolts between the fixed bracket 3 and the box body 1 can be unscrewed, and the fixed bracket 3 with a suitable shape and size can be selected for replacement, so that the portability of the distribution box of the present invention is higher. The connector fixing hole 14 on the box body 1 and the fixing holes of other components are designed as blind holes. When the connector and other components are connected to the box body by bolts, the bolts are embedded in the blind holes, which has better sealing performance. Water and dust resistance. The box body 1 is made of aluminum alloy, which improves the electromagnetic compatibility of the distribution box. In order to improve the insulation performance of the box body 1 , an insulating varnish is coated on the inside of the box body 1 .
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本实用新型所附权利要求的保护范围。It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present utility model.
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420844341.2U CN204340931U (en) | 2014-12-25 | 2014-12-25 | A kind of high-tension distribution box of electronlmobil |
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| CN201420844341.2U CN204340931U (en) | 2014-12-25 | 2014-12-25 | A kind of high-tension distribution box of electronlmobil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477114A (en) * | 2014-12-25 | 2015-04-01 | 东风汽车公司 | High-tension distribution box for electric automobile |
| CN104960486A (en) * | 2015-07-28 | 2015-10-07 | 江苏东源电器集团股份有限公司 | Intelligent-type high-voltage distribution box system of electric car controlled by adoption of APP software |
| CN106231848A (en) * | 2016-08-26 | 2016-12-14 | 新乡市光明电器有限公司 | Main power source control assembly |
-
2014
- 2014-12-25 CN CN201420844341.2U patent/CN204340931U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477114A (en) * | 2014-12-25 | 2015-04-01 | 东风汽车公司 | High-tension distribution box for electric automobile |
| CN104477114B (en) * | 2014-12-25 | 2017-05-17 | 东风汽车公司 | High-tension distribution box for electric automobile |
| CN104960486A (en) * | 2015-07-28 | 2015-10-07 | 江苏东源电器集团股份有限公司 | Intelligent-type high-voltage distribution box system of electric car controlled by adoption of APP software |
| CN106231848A (en) * | 2016-08-26 | 2016-12-14 | 新乡市光明电器有限公司 | Main power source control assembly |
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