New energy automobile power battery high-voltage distribution box

Abstract

The utility model discloses a new energy automobile power battery high-voltage distribution box which comprises a box body, connecting assemblies are arranged on the two sides of the box body, parts of the connecting assemblies are arranged in the box body, a box cover is arranged at the upper end of the box body through a plurality of first bolts, an auxiliary assembly is arranged at the upper end of the box cover, and mounting frames are arranged on the two sides of the box body. According to the power battery high-voltage distribution box, the auxiliary assembly is arranged, heat dissipation treatment can be conducted on the distribution box in the using process of the power battery high-voltage distribution box, so that damage to the interior of the distribution box can be avoided, and the new energy automobile power battery high-voltage distribution connection effect can be ensured in the using process of the power battery distribution box through the connecting assembly.

Description

Technical Field

[0001] This utility model relates to the field of power distribution box technology, and more specifically, to a high-voltage power distribution box for power batteries of new energy vehicles. Background Technology

[0002] High-voltage distribution boxes typically operate under high-power vehicle electrical loads, with voltages exceeding 700VDC and currents reaching 400A, posing significant challenges to the design of high-voltage power distribution systems and the selection of high-voltage components. Considering the overall vehicle space, the complexity of the vehicle architecture, and cost, the industry widely adopts a centralized high-voltage electrical system architecture for power distribution.

[0003] The high-voltage distribution box for new energy vehicles is a very important component. Its function is to manage the high-voltage power distribution of the entire vehicle, effectively distribute the high-voltage electricity from the power battery to various high-voltage electrical devices, and distribute the charging current to the power battery to ensure the stability of each output, while ensuring the safe operation and efficiency of the high-voltage system.

[0004] The existing high-voltage distribution box for power batteries is installed in the engine compartment of a car, which generates a certain amount of heat during use, and this heat can cause some damage to the inside of the distribution box.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] In view of the problems in related technologies, this utility model proposes a high-voltage distribution box for power batteries of new energy vehicles to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] Therefore, the specific technical solution adopted by this utility model is as follows:

[0008] A high-voltage distribution box for a power battery of a new energy vehicle includes a box body, connecting components on both sides of the box body, with the connecting components partially located inside the box body, a box cover mounted on the top of the box body by multiple bolts, an auxiliary component mounted on the top of the box cover, mounting brackets on both sides of the box body, and the connecting components including multiple locking connectors and a communication interface, with the locking connectors and the communication interface located on one side of the box body, and one end of the locking connectors and the communication interface extending from the outside of the box body to the inside of the box body.

[0009] Furthermore, in order to better ensure the high-voltage power distribution effect of the distribution box, the locking connector 1 and the communication interface are connected to the connecting copper busbar 1 and connecting copper busbar 2 at one end inside the box by bolt 2. The connecting copper busbar 1 is connected to contactor 1 and contactor 2 by bolt 3. Multiple contactors 3 are installed inside the box. A balancing valve is connected to one side of the box.

[0010] Furthermore, in order to better ensure the connection effect of the power battery of new energy vehicles, the connection component also includes multiple locking connectors II. The locking connectors II are connected to one side of the housing, and one end of the locking connectors II extends from the outside of the housing to the inside of the locking connectors II.

[0011] Furthermore, the locking connector 2 is located inside the enclosure and is connected to multiple fuses via bolt 4. The enclosure is also equipped with a pre-charge resistor.

[0012] Furthermore, in order to better ensure the cooling and heat dissipation effect of the distribution box, the auxiliary components include a cooling block, which is set on the upper part of the box cover. A processing box is set on the upper part of the cooling block, and a placement slot is opened on the upper part of the processing box. A delivery pump is set in the placement slot.

[0013] Furthermore, in order to better ensure the conveying and processing effect, the processing box is symmetrically divided into processing chamber one and processing chamber two. A cooler is installed inside the placement tank. The cold end of the cooler extends from the inside of the placement tank to the inside of processing chamber one. The input end of the conveying pump is connected to input pipe one, and one end of input pipe one is connected to processing chamber one.

[0014] Furthermore, the output end of the delivery pump is connected to an output pipe 1, one end of which is connected to a processing chamber 2. An input pipe 2 and an output pipe 2 are connected to one side of the processing chamber 1 and the processing chamber 2. A cooling groove is provided inside the cooling block, and one end of the input pipe 2 and the output pipe 2 are connected to the cooling groove through a connector.

[0015] The beneficial effects of this utility model are as follows: by setting auxiliary components, heat dissipation treatment can be carried out on the power battery high-voltage distribution box during use, thereby avoiding damage to the inside of the distribution box. By setting connection components, the high-voltage power distribution connection effect of the power battery of new energy vehicles can be ensured during use. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 3 ;

[0020] Figure 4 This is a schematic diagram of the structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 4 ;

[0021] Figure 5 This is a schematic diagram of the structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 5 ;

[0022] Figure 6 This is a schematic diagram of the connection component structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model;

[0023] Figure 7 This is a schematic diagram of the auxiliary component structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 1 ;

[0024] Figure 8 This is a schematic diagram of the auxiliary component structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 2 ;

[0025] Figure 9 This is a schematic diagram of the auxiliary component structure of a high-voltage distribution box for a new energy vehicle power battery according to an embodiment of the present utility model. Figure 3 .

[0026] In the picture:

[0027] 1. Enclosure; 2. Connecting Components; 201. Locking Connector 1; 202. Communication Interface; 203. Connecting Copper Busbar 1; 204. Connecting Copper Busbar 2; 205. Contactor 2; 206. Contactor 3; 207. Locking Connector 2; 208. Fuse; 209. Pre-charge Resistor; 210. Contactor 1; 3. Auxiliary Components; 301. Cooling Block; 302. Processing Box; 303. Placement Slot; 304. Transfer Pump; 305. Processing Chamber 1; 306. Processing Chamber 2; 307. Input Pipe 1; 308. Output Pipe 1; 309. Input Pipe 2; 310. Output Pipe 2; 311. Cooling Slot; 312. Refrigerator; 4. Mounting Bracket; 5. Bolt 1; 6. Enclosure Cover; 7. Bolt 2; 8. Bolt 3; 9. Balance Valve. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1;

[0030] like Figures 1-9 As shown, a high-voltage power distribution box for a new energy vehicle power battery according to an embodiment of the present utility model includes a box body 1. Connecting components 2 are provided on both sides of the box body 1 for power distribution connection of the power battery. Part of the connecting components 2 is located inside the box body 1. A box cover 6 is provided on the upper end of the box body 1 by multiple bolts 5. An auxiliary component 3 is provided on the upper end of the box cover 6 for heat dissipation of the box body 1. Mounting brackets 4 are provided on both sides of the box body 1.

[0031] Example 2;

[0032] like Figures 1-9 As shown, according to an embodiment of the present utility model, a high-voltage distribution box for a power battery of a new energy vehicle includes a connection component 2 comprising six locking connectors 201 and a communication interface 202.

[0033] The six locking connectors 201 are symmetrically inclined and are arranged from top to bottom as motor negative, motor positive, battery negative, battery positive, fast charging negative, and fast charging positive.

[0034] Locking connector 1 201 and communication interface 202 are located on one side of the housing 1. One end of locking connector 1 201 and communication interface 202 extends from the outside of housing 1 to the inside of housing 1. The end of locking connector 1 201 and communication interface 202 located inside housing 1 is connected to connecting copper busbar 1 203 and connecting copper busbar 2 204 by bolt 2 7. Connecting copper busbar 1 203 and connecting copper busbar 2 204 are used for electrical connection of positive power supply and negative power supply, respectively.

[0035] The connecting copper busbar 1 203 is connected to contactor 1 210 and contactor 2 205 by bolt 3 8. There are two contactors 3 206 inside the housing 1. A balance valve 9 is connected to one side of the housing 1.

[0036] Connection component 2 also includes four locking connectors 207, which are respectively configured from left to right as PTC, air conditioner, OBC / 2-in-1, and DC-DC;

[0037] Locking connector 207 is connected to one side of housing 1. One end of locking connector 207 extends from the outside of housing 1 to the inside of locking connector 207. The end of locking connector 207 located inside housing 1 is connected to four fuses 208 by bolts 4. The specific electrical connection method of fuses 208 is not disclosed in detail. A pre-charge resistor 209 is provided inside housing 1.

[0038] In practical applications, by setting locking connector 1 201 and locking connector 2 207, the wiring of new energy vehicles can be connected and distributed. The electrical components set inside the box 1 can better ensure the power distribution connection effect.

[0039] Example 3;

[0040] like Figures 1-9 As shown, according to an embodiment of the present invention, a high-voltage distribution box for a new energy vehicle power battery includes an auxiliary component 3 comprising a cooling block 301. The cooling block 301 is made of a metal material with good conductivity. The cooling block 301 is disposed on the upper end of the box cover 6. A processing box 302 is disposed on the upper end of the cooling block 301. A placement slot 303 is provided on the upper end of the processing box 302. A controller (not shown in detail in the figure) is disposed inside the placement slot 303. A delivery pump 304 is disposed inside the placement slot 303. A processing chamber 1 305 and a processing chamber 2 306 are symmetrically disposed inside the processing box 302. A cooler 312 is disposed inside the placement slot 303. The cooler 312 is composed of a conventional refrigeration structure. The cooler 312 consists of a transmission end, a semiconductor cooling chip, and a cooling fan. The cold end of the cooler 312 extends from the inside of the placement slot 303 to the inside of the first processing chamber 305. The input end of the delivery pump 304 is connected to the input pipe 307, one end of which is connected to the first processing chamber 305. The output end of the delivery pump 304 is connected to the output pipe 308, one end of which is connected to the second processing chamber 306. The first processing chamber 305 and the second processing chamber 306 are connected to the input pipe 309 and the output pipe 310 on one side. The cooling block 301 has an S-shaped cooling groove 311 inside. One end of the input pipe 309 and the output pipe 310 are connected to the cooling groove 311 through a connector.

[0041] In practical applications, when heat is generated during the use of the power battery distribution box, the controller starts the delivery pump 304 and the cooler 312. Then, the delivery pump 304 generates suction and delivers the heat-exchanged solution in the cooling tank 311 to the processing chamber 305 in the processing tank 302 through the input pipe 309. Then, the cooler 312 cools the heat-exchanged solution. Next, the cooled solution is delivered to the inside of the processing chamber 306 through the input pipe 307 and the output pipe 308. Then, the delivery pump 304 delivers it back to the inside of the cooling tank 311 through the output pipe 310 to dissipate heat and cool the tank 1.

[0042] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0043] In summary, by means of the above-mentioned technical solution of this utility model, by setting locking connector 1 201 and locking connector 207, the wiring of new energy vehicles can be connected and distributed. The electrical components set inside the housing 1 can better ensure the power distribution connection effect.

[0044] When heat is generated during the use of the power battery distribution box, the controller starts the delivery pump 304 and the cooler 312. Then, the delivery pump 304 generates suction and delivers the heat-exchanged solution in the cooling tank 311 to the processing chamber 305 in the processing tank 302 through the input pipe 309. Then, the cooler 312 cools the heat-exchanged solution. Next, the cooled solution is delivered to the inside of the processing chamber 306 through the input pipe 307 and the output pipe 308. Then, the delivery pump 304 delivers it back to the inside of the cooling tank 311 through the output pipe 310 to dissipate heat and cool the tank 1.

[0045] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-voltage distribution box for a power battery in a new energy vehicle, characterized in that, Includes a box body (1), with connecting components (2) provided on both sides of the box body (1), and part of the connecting components (2) being located inside the box body (1). A box cover (6) is provided on the upper end of the box body (1) by multiple bolts (5), with an auxiliary component (3) provided on the upper end of the box cover (6), and mounting brackets (4) provided on both sides of the box body (1). The connection assembly (2) includes multiple locking connectors (201) and a communication interface (202). The locking connectors (201) and the communication interface (202) are located on one side of the housing (1). One end of the locking connectors (201) and the communication interface (202) extends from the outside of the housing (1) to the inside of the housing (1).

2. The high-voltage distribution box for a new energy vehicle power battery according to claim 1, characterized in that, The locking connector (201) and the communication interface (202) are located inside the housing (1) and connected to the connecting copper busbar (203) and connecting copper busbar (204) by bolt (7). The connecting copper busbar (203) is connected to the contactor (210) and contactor (205) by bolt (8). Multiple contactors (206) are provided inside the housing (1). A balance valve (9) is connected to one side of the housing (1).

3. A high-voltage distribution box for a new energy vehicle power battery according to claim 2, characterized in that, The connecting assembly (2) also includes a plurality of locking connectors (207), which are connected to one side of the housing (1), with one end of the locking connector (207) extending from the outside of the housing (1) to the inside of the locking connector (207).

4. A high-voltage distribution box for a new energy vehicle power battery according to claim 3, characterized in that, The locking connector 2 (207) is located inside the housing (1) and is connected to multiple fuses (208) by bolt 4. The housing (1) is provided with a pre-charge resistor (209).

5. A high-voltage distribution box for a new energy vehicle power battery according to claim 1, characterized in that, The auxiliary component (3) includes a cooling block (301), which is located at the upper end of the box cover (6). A processing box (302) is provided at the upper end of the cooling block (301), and a placement slot (303) is provided at the upper end of the processing box (302). A delivery pump (304) is provided in the placement slot (303).

6. A high-voltage distribution box for a new energy vehicle power battery according to claim 5, characterized in that, The processing box (302) is symmetrically provided with processing chamber one (305) and processing chamber two (306). The placement slot (303) is provided with a cooler (312). The cold end of the cooler (312) extends from the inside of the placement slot (303) to the inside of processing chamber one (305). The input end of the delivery pump (304) is connected to an input pipe one (307). One end of the input pipe one (307) is connected to processing chamber one (305).

7. A high-voltage distribution box for a new energy vehicle power battery according to claim 6, characterized in that, The output end of the delivery pump (304) is connected to an output pipe (308), one end of the output pipe (308) is connected to the processing chamber (306), one side of the processing chamber (305) and the processing chamber (306) is connected to an input pipe (309) and an output pipe (310), and a cooling groove (311) is opened inside the cooling block (301). One end of the input pipe (309) and the output pipe (310) are connected to the cooling groove (311) through a connector.

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