High-voltage distribution box and vehicle

Abstract

The utility model provides a high-voltage distribution box and a vehicle, the high-voltage distribution box comprises a box body, an electrical assembly and a charging seat, the box body is internally provided with an installation cavity, the electrical assembly is installed in the installation cavity and is used for being electrically connected with a battery pack, the charging seat is installed in the box body and is electrically connected with the electrical assembly, and at least part of the charging seat is located at the side part, deviating from the installation cavity, of the box body. And the charging gun is inserted into the socket so as to electrically connect the charging gun with the electrical assembly. The high-voltage distribution box provided by the utility model can solve the technical problem that the design of the charging seat and the connecting wire harness occupies more space.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage distribution box technical field, concretely relates to a high -voltage distribution box and vehicle. BACKGROUND

[0002] In the related art, a high-voltage distribution box (also referred to as a PDU) is electrically connected to a battery pack and is provided with a charging connector. The charging connector of the high-voltage distribution box is connected to a charging seat located outside the high-voltage distribution box through a wire harness. When the battery pack needs to be charged, an external charging gun is inserted into the charging seat.

[0003] The charging connector also needs to be connected to the charging seat through the wire harness, and the design of the charging seat and the connecting wire harness occupies a large space. SUMMARY

[0004] Embodiments of the utility model provide a high-voltage distribution box and vehicle, which can improve the technical problem that the design of the charging seat and the connecting wire harness occupies a large space.

[0005] In a first aspect, embodiments of the utility model provide a high-voltage distribution box, comprising:

[0006] A box body, which is internally provided with a mounting cavity;

[0007] An electrical assembly, which is mounted in the mounting cavity and is used for electrical connection with a battery pack;

[0008] A charging seat, which is mounted on the box body and is electrically connected to the electrical assembly, at least part of the charging seat is located on the side of the box body away from the mounting cavity, and is used for inserting a charging gun to electrically connect the charging gun and the electrical assembly.

[0009] In some embodiments, the high-voltage distribution box comprises a plurality of charging seats, and the plurality of charging seats are located on the same side of the box body.

[0010] In some embodiments, the charging seat comprises a fixedly connected mounting portion and a connecting portion, the mounting portion is annularly arranged on the outer peripheral side of the connecting portion, the connecting portion is used for electrical connection with the electrical assembly, and the mounting portion is located on the side of the box body away from the mounting cavity and is detachably connected to the box body.

[0011] In some embodiments, the charging seat further comprises a positioning portion, the positioning portion is arranged on the side of the connecting portion facing the mounting cavity, and the box body is provided with a matching portion matched with the positioning portion.

[0012] In some embodiments, the positioning portion comprises a convex portion, the matching portion comprises a recess formed in the box body, and the recess is matched with the convex portion; and / or

[0013] The positioning portion comprises a recess formed in the connecting portion, and the fitting portion comprises a protrusion, the recess and the protrusion being matched with each other.

[0014] In some embodiments, the positioning portion comprises a protrusion, the fitting portion comprises a recess formed in the box, and the recess and the protrusion are matched with each other, and the cross-sectional area of the free end of the protrusion gradually decreases from the connecting portion to the electrical assembly.

[0015] The positioning portion comprises a recess formed in the connecting portion, and the fitting portion comprises a protrusion, the recess and the protrusion being matched with each other, and the cross-sectional area of the free end of the protrusion gradually decreases from the electrical assembly to the connecting portion.

[0016] In some embodiments, a first mounting hole is formed in the mounting portion, a second mounting hole is formed in the box, and the charging seat further comprises a fastener, the fastener being sequentially arranged in the first mounting hole and the second mounting hole to fasten the mounting portion and the box.

[0017] In some embodiments, the high-voltage distribution box further comprises a cabinet door, a skirt and a sealing element, the skirt being annularly arranged at the periphery of the box, and the sealing element being clamped between the skirt and the cabinet door.

[0018] In some embodiments, the sealing element is bonded to the skirt.

[0019] In a second aspect, the embodiments of the utility model provide a vehicle comprising the high-voltage distribution box.

[0020] The embodiments of the utility model have the advantages of:

[0021] In the embodiments of the utility model, the charging seat is installed on the box, so that the charging seat becomes part of the high-voltage distribution box, at least part of the charging seat is located on the side of the box away from the mounting cavity, and is used for inserting the charging gun to electrically connect the charging gun and the electrical assembly. When used, the charging gun can be directly inserted into the charging seat, and there is no need to use a wire harness to externally connect the charging seat, so that the technical problem of the charging seat and the connecting wire harness design occupying more space is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0023] Figure 1is the perspective view of the high-voltage distribution box provided by the embodiment of the utility model;

[0024] Figure 2 is Figure 1 the explosion map of the high-voltage distribution box in the high-voltage distribution box of the embodiment of the utility model;

[0025] Figure 3 is Figure 1 the schematic view of the first perspective of the explosion map of the charging seat and the rest part of the high-voltage distribution box in the high-voltage distribution box;

[0026] Figure 4 is Figure 1 the schematic view of the second perspective of the explosion map of the charging seat and the rest part of the high-voltage distribution box in the high-voltage distribution box;

[0027] Figure 5 is Figure 4 the partial enlarged view of A in the high-voltage distribution box;

[0028] Figure 6 is Figure 1 the schematic view of the second perspective of the explosion map of the charging seat and the rest part of the high-voltage distribution box in the high-voltage distribution box;

[0029] Figure 7 is Figure 6 the partial enlarged view of B in the high-voltage distribution box;

[0030] Figure 8 is Figure 1 the partial structure schematic view of the high-voltage distribution box;

[0031] Mark explanation:

[0032] 100, box body;101, installation cavity;103, cooperation part;200, support;

[0033] 300, electrical assembly;

[0034] 500, charging seat;501, installation part;503, connecting part;505, positioning part;506, first installation hole;507, second installation hole;

[0035] 508, fastener;

[0036] 701, cabinet door;703, skirt;705, sealing element. Specific implementation

[0037] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. In addition, it should be understood that the specific implementation manners described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, the orientation words such as "upper" and "lower" generally refer to the upper and lower of the device in the actual use or working state, and specifically refer to the direction of the drawing in the accompanying drawings; and "inner" and "outer" refer to the contour of the device.

[0038] The PDU high-voltage box is connected with external high-voltage components through a connector to ensure stable transmission of current and signals. At present, most high-voltage distribution boxes (which can be referred to as PDUs) are provided with battery positive and negative input connectors, charging connectors and discharge connectors. The charging connector of the high-voltage distribution box is connected to the charging seat outside the high-voltage distribution box through a wire harness. When the battery pack needs to be charged, the external charging gun is inserted into the charging seat. This design increases the product cost of the high-voltage distribution box, and the charging connector also needs to be connected to the charging seat through a wire harness, and the charging seat and the connecting wire harness design occupy a large space.

[0039] In a first aspect, the present application provides a high-voltage distribution box, which is provided with a charging seat. When the battery pack needs to be charged, the external charging gun is inserted into the charging seat provided on the high-voltage distribution box, which is convenient and fast, and does not need to connect the charging connector to the charging seat outside the high-voltage distribution box through a wire harness, thereby reducing the design of the connecting wire harness between the PDU and the charging seat, reducing the space occupied by the charging seat and the connecting wire harness design, and reducing the cost.

[0040] Please refer to Figure 1 In some embodiments, the high-voltage distribution box includes a box body 100 and a charging seat 500, and the charging seat 500 is installed on the box body 100 and used for inserting the charging gun to charge the battery pack.

[0041] Please refer to Figure 2 and Figure 8The high-voltage distribution box further comprises an electrical assembly 300, and the box body 100 can be provided with a mounting cavity 101 inside. The electrical assembly 300 is mounted in the mounting cavity 101 and is electrically connected to a battery pack of the vehicle, which is usually arranged outside the high-voltage distribution box. The charging seat 500 is mounted on the box body 100 and is electrically connected to the electrical assembly 300. At least part of the charging seat 500 is located on the side of the box body 100 away from the mounting cavity 101, in other words, at least part of the charging seat 500 is located on the outside of the box body 100, for inserting a charging gun, so as to electrically connect the charging gun with the electrical assembly and the battery pack, so that the charging gun can charge the battery pack.

[0042] In some embodiments, the high-voltage distribution box can further comprise a bracket 200 arranged in the mounting cavity 101. The bracket 200 is connected to the box body 100, and the connection between the bracket 200 and the box body 100 can be screw connection, and the bracket 200 can be fixed on the box body 100 by using bolts. The electrical assembly 300 can be mounted on the bracket 200.

[0043] The charging seat 500 is mounted on the box body 100, so that the charging seat 500 becomes part of the high-voltage distribution box. In use, the charging gun can be directly inserted into the charging seat 500 without the need to use a wiring harness to externally connect the charging seat, thereby improving the technical problem that the charging seat and the connection wiring harness design occupy a large space, improving the space utilization rate, and further reducing the charging connector switching and effectively reducing the cost.

[0044] In some embodiments, the voltage platform of the high-voltage distribution box is 800V, and the overcurrent is 1500A.

[0045] In some embodiments, please refer to Figure 2 and Figure 3 The high-voltage distribution box comprises a plurality of charging seats 500, and the plurality of charging seats 500 are located on the same side of the box body 100. In charging, the charging gun needs to be inserted outside the vehicle for charging, and the charging seat 500 needs to be in communication with the outside so as to facilitate the insertion of the charging gun outside the vehicle. In these embodiments, the plurality of charging seats 500 are located on the same side of the box body 100, which can facilitate installation, and the plurality of charging seats can be easily arranged in communication with the outside during installation, so as to facilitate the insertion of the charging gun outside the vehicle.

[0046] In some embodiments, please refer to Figure 2 and Figure 3 The charging seat 500 can be two, and the two charging seats 500 are located on the same side of the box body 100. In other embodiments, the charging seat 500 can also be three, four, etc., and the embodiments of the present application do not limit this.

[0047] In some embodiments, please refer to Figure 2 and Figure 3The charging base 500 includes a fixedly connected mounting portion 501 and a connecting portion 503, and the mounting portion 501 and the connecting portion 503 can be connected by integral molding, welding, riveting or the like. The mounting portion 501 is annularly arranged at the outer circumferential side of the connecting portion 503, and the mounting portion 501 is used to connect with the box body 100, so as to fix the charging base 500 to the box body 100. The connecting portion 503 is used to electrically connect with the electrical assembly 300, and the mounting portion 501 is located at the side of the box body 100 away from the mounting cavity 101, that is, the mounting portion 501 is located at the outer side of the box body 100, and the mounting portion 501 is detachably connected with the box body 100, and the mounting portion 501 and the box body 100 can be connected by screwing, clamping or the like.

[0048] In some embodiments, please refer to Figure 6 and Figure 7 In order to facilitate the installation of the charging base 500 at the correct position of the box body 100, the charging base 500 further includes a positioning portion 505, which is arranged at the side of the connecting portion 503 facing the mounting cavity 101, that is, the side of the connecting portion 503 facing the box body 100. Please refer to Figure 4 and Figure 5 The box body 100 is provided with a cooperating portion 103 cooperating with the positioning portion 505, and the cooperating portion 103 is arranged on the box body 100. The charging base 500 is positioned at the mounting position of the box body 100 through the cooperation of the positioning portion 505 and the cooperating portion 103, and then the charging base 500 is fixed at the correct position of the box body 100. The installation efficiency is improved, and the accuracy of the installation process is improved. In some embodiments, the positioning portion can also be arranged at the side of the mounting portion 501 facing the mounting cavity 101.

[0049] In some embodiments, the positioning portion 505 can include a protruding portion protruding from the side of the connecting portion 503 facing the mounting cavity 101, and the cooperating portion 103 includes a recess arranged on the box body 100, the recess is recessed in the box body 100, and the recess is matched with the protruding portion. Through the concave-convex cooperation of the protruding portion and the recess, the charging base 500 is facilitated to be positioned at the correct position of the box body 100. In other embodiments, the positioning portion can include a recess, and the cooperating portion can include a protruding portion, for example, the positioning portion can include a recess arranged on the connecting portion, and the cooperating portion can include a protruding portion, and the recess is matched with the protruding portion.

[0050] In some embodiments, the cross section of the protruding portion can be circular, so that after the protruding portion is inserted into the recess, the charging base 500 can be rotated to rotate the charging base 500 to the correct direction, and the charging base 500 is facilitated to be fixed at the correct position of the box body 100.

[0051] In some embodiments, the cross-sectional area of the free end of the protrusion gradually decreases from the direction of the connection portion 503 to the electrical assembly 300. In this way, the free end of the protrusion can be guided by the matching recess, facilitating the insertion of the protrusion into the recess. In other embodiments, the positioning portion can include a recess formed in the connection portion, and the matching portion can include a protrusion, the recess and the protrusion being adapted to each other, and the cross-sectional area of the free end of the protrusion gradually decreases from the direction of the electrical assembly to the connection portion.

[0052] Please refer to Figure 4 In some embodiments, the mounting portion 501 is provided with a first mounting hole 506, the box body 100 is provided with a second mounting hole 507, and the charging base 500 further includes a fastener 508, which is sequentially threaded through the first mounting hole 506 and the second mounting hole 507 to fasten the mounting portion 501 to the box body 100. The charging base 500 is positioned to the mounting position of the box body 100, and then the fastener 508 is used to fix the charging base 500 to the correct position of the box body 100. This improves the installation efficiency and the accuracy of the installation process. The fastener 508 can be a bolt, a pin, etc. When the fastener 508 is a bolt, the second mounting hole 507 can be a threaded hole, one end of the shank of the fastener 508 is sequentially threaded through the first mounting hole 506 and the second mounting hole 507, and the other end of the head of the fastener 508 abuts against the side of the mounting portion 501 away from the box body 100, thereby fastening and connecting the mounting portion 501 to the box body 100.

[0053] In some embodiments, please refer to Figure 2 To further enhance the sealing performance of the high-voltage distribution box, the high-voltage distribution box further includes a cabinet door 701, a skirt 703, and a sealing member 705 detachably connected to the box body 100, the skirt 703 is annularly arranged around the periphery of the box body 100, and the sealing member 705 is clamped between the skirt 703 and the cabinet door 701. The sealing member 705 can be made of rubber, silicone, or the like. The cabinet door 701 and the skirt 703 can be screwed together, so that multiple screws can be used to fasten the periphery of the cabinet door 701 to the skirt 703, thereby tightly connecting the box body 100 and the cabinet door 701. The box body 100 and the cabinet door 701 can also be tightly connected by using pins, which are not limited in the present application. The sealing member 705 and the skirt 703 can be adhered together. The skirt 703 can be provided with a plurality of first through holes, and the periphery of the cabinet door 701 can be provided with a plurality of second through holes, the first through holes and the second through holes corresponding to each other, and the screws can be sequentially threaded through the first through holes and the second through holes, thereby fastening the periphery of the cabinet door 701 to the skirt 703, so that the box body 100 and the cabinet door 701 are tightly connected.

[0054] Please refer to Figure 4 In some embodiments, the charging base 500 can be configured as a super charging base, which has a larger current than a conventional charging base and can meet the charging requirement of a current of 1500A or more, and has a larger size.

[0055] Please combine Figure 4 In some embodiments, the charging seat 500 can be provided with four large current terminals, which can adopt a copper bar structure and be electrically connected with other copper bars in the high-voltage distribution box to ensure large current carrying capacity. In some embodiments, the four large current terminals of one charging seat 500 are two positive terminals and two negative terminals, wherein the positive terminals can be electrically connected with the positive terminals of the external charging gun, and the negative terminals can be electrically connected with the negative terminals of the external charging gun.

[0056] Please combine Figure 4 In some embodiments, the high-voltage distribution box is provided with two charging seats 500, so that one high-voltage distribution box has four large current positive terminals and four large current negative terminals, and can be externally connected with two charging guns, thereby improving the charging efficiency and the current carrying capacity of the high-voltage distribution box.

[0057] The application provides a high-voltage distribution box provided with a charging seat. When the battery pack needs to be charged, the external charging gun is inserted into the charging seat provided on the high-voltage distribution box, which is convenient and fast, and does not need to connect the charging connector to the charging seat outside the high-voltage distribution box through a wire harness, thereby reducing the design of the connecting wire harness between the PDU and the charging seat, reducing the space occupied by the design of the charging seat and the connecting wire harness, and reducing the cost.

[0058] In a second aspect, the embodiments of the application also provide a vehicle, which comprises the high-voltage distribution box described above.

[0059] The vehicle further comprises a battery pack, which is electrically connected with the high-voltage distribution box. The charging gun is inserted to electrically connect the charging gun with the electrical components and the battery pack, so that the battery pack can be charged. In the embodiments of the application, the charging seat 500 is installed on the box body 100, so that the charging seat 500 becomes a part of the high-voltage distribution box. When used, the charging gun can be directly inserted into the charging seat 500 without the need to externally connect the charging seat using a wire harness, thereby improving the technical problem that the charging seat and the connecting wire harness design occupy a large space, improving the space utilization, and further reducing the charging connector switching and effectively reducing the cost.

[0060] The charging base 500 comprises a fixedly connected mounting portion 501 and a connecting portion 503, and the mounting portion 501 and the connecting portion 503 can be connected by means of one-piece forming, welding, riveting or the like. The mounting portion 501 is annularly arranged on the outer circumferential side of the connecting portion 503, and the mounting portion 501 is used to be connected with the box body 100, so as to fix the charging base 500 to the box body 100. The connecting portion 503 is used to be electrically connected with the electrical assembly 300, and the mounting portion 501 is located on the side of the box body 100 away from the mounting cavity 101, that is, the mounting portion 501 is located on the outer side of the box body 100, and the mounting portion 501 is detachably connected with the box body 100, and the mounting portion 501 and the box body 100 can be connected by means of screwing, clamping or the like.

[0061] The high-voltage distribution box comprises a plurality of charging bases 500, and the plurality of charging bases 500 are located on the same side of the box body 100. During charging, the charging gun needs to be inserted outside the vehicle for charging, and the charging base 500 needs to be able to communicate with the outside, so as to facilitate the insertion of the charging gun outside the vehicle. By locating the plurality of charging bases 500 on the same side of the box body 100, the installation can be facilitated, and during installation, the plurality of charging bases can be easily arranged to communicate with the outside, so as to facilitate the insertion of the charging gun outside the vehicle.

[0062] In order to facilitate the installation of the charging base 500 at the correct position of the box body 100, the box body 100 is provided with a cooperating portion 103 cooperating with the positioning portion 505, and the cooperating portion 103 is arranged on the box body 100. By cooperation of the positioning portion 505 and the cooperating portion 103, the charging base 500 is positioned at the mounting position of the box body 100, and then the charging base 500 is fixed at the correct position of the box body 100. The installation efficiency and the accuracy of the installation process are improved. In some embodiments, the positioning portion can also be arranged on the side of the mounting portion 501 facing the mounting cavity 101.

[0063] A first mounting hole 506 is arranged on the mounting portion 501, a second mounting hole 507 is arranged on the box body 100, and the charging base 500 further comprises a fastener 508, which is sequentially arranged in the first mounting hole 506 and the second mounting hole 507 to fasten the mounting portion 501 and the box body 100. The charging base 500 is positioned at the mounting position of the box body 100, and then the charging base 500 is fixed at the correct position of the box body 100 by the fastener 508. The installation efficiency and the accuracy of the installation process are improved.

[0064] The application provides a vehicle, and a high-voltage distribution box of the vehicle is provided with a charging base. When the battery pack needs to be charged, an external charging gun is inserted into the charging base arranged on the high-voltage distribution box, which is convenient and fast, and there is no need to connect the charging connector to the charging base outside the high-voltage distribution box through a wire harness, thereby reducing the design of the wire harness between the PDU and the charging base, reducing the space occupied by the design of the charging base and the wire harness, and reducing the cost.

[0065] The above has carried out the detailed introduction to the embodiment of the utility model, the principle and implementation mode of the utility model have been described in this article by applying specific examples, the above embodiment explanation is only for helping understanding the method and its core thought of the utility model; simultaneously, for the technical personnel in the art, according to the thought of the utility model, there will be changes in specific implementation mode and application range, and the above is described, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A high voltage distribution box, characterized in that: include: The box body has an installation cavity provided therein; an electrical component, mounted in the mounting cavity and configured to be electrically connected to the battery pack; A charging base is installed in the box and electrically connected to the electrical component. At least part of the charging base is located on the side of the box away from the installation cavity, and is used for inserting a charging gun to electrically connect the charging gun and the electrical component.

2. The high-voltage distribution box according to claim 1, characterized in that: The high-voltage distribution box includes a plurality of charging seats, and the plurality of charging seats are located on the same side of the box body.

3. The high voltage distribution box according to claim 1, characterized in that: The charging stand includes a fixedly connected mounting portion and a connecting portion, wherein the mounting portion is arranged around the outer periphery of the connecting portion, and the connecting portion is used to be electrically connected to the electrical component. The mounting portion is located on the side of the box body away from the mounting cavity and is detachably connected to the box body.

4. The high-voltage distribution box according to claim 3, characterized in that: The charging base further includes a positioning portion, which is arranged on a side of the connecting portion facing the installation cavity, and the box body is provided with a matching portion that matches the positioning portion.

5. The high-voltage distribution box according to claim 4, characterized in that: The positioning portion includes a convex portion, and the matching portion includes a concave portion opened in the box body, and the concave portion is adapted to the convex portion; or The positioning portion includes a recessed portion formed in the connecting portion, and the matching portion includes a protruding portion, wherein the recessed portion is matched with the protruding portion.

6. The high-voltage distribution box according to claim 5, characterized in that: The positioning portion includes a convex portion, the matching portion includes a concave portion opened in the box body, the concave portion is adapted to the convex portion, and the cross-sectional area of ​​the free end of the convex portion gradually decreases in the direction from the connecting portion to the electrical component; or The positioning portion includes a recessed portion opened in the connecting portion, and the matching portion includes a protruding portion. The recessed portion is adapted to the protruding portion, and the cross-sectional area of ​​the free end of the protruding portion gradually decreases in the direction from the electrical component to the connecting portion.

7. The high-voltage distribution box according to claim 3, characterized in that: The mounting portion is provided with a first mounting hole, the box body is provided with a second mounting hole, and the charging stand further includes a fastener, which is sequentially passed through the first mounting hole and the second mounting hole to fasten the mounting portion and the box body.

8. The high-voltage distribution box according to any one of claims 1 to 7, characterized in that: The high-voltage distribution box further comprises a cabinet door, a skirt and a sealing member detachably connected to the box body. The skirt is provided on the periphery of the box body, and the sealing member is sandwiched between the skirt and the cabinet door.

9. The high-voltage distribution box according to claim 8, characterized in that: The sealing member is bonded to the skirt.

10. A vehicle, characterized in that: Comprising a high-voltage distribution box as described in any one of claims 1 to 9.

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