CN219018266U - High-voltage distribution box - Google Patents
High-voltage distribution box Download PDFInfo
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- CN219018266U CN219018266U CN202223541455.3U CN202223541455U CN219018266U CN 219018266 U CN219018266 U CN 219018266U CN 202223541455 U CN202223541455 U CN 202223541455U CN 219018266 U CN219018266 U CN 219018266U
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- liquid cooling
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Abstract
The utility model provides a high-voltage distribution box which comprises a shell, a liquid cooling plate and a heat conducting piece, wherein the liquid cooling plate is hollow and arranged on one side of the shell, and a heat exchange medium flows in the liquid cooling plate and is used for taking away heat generated by a heating device in the high-voltage distribution box; the heat conducting pieces are arranged on one side, close to the shell, of the liquid cooling plate and are used for conducting heat to the surface of the liquid cooling plate; still include a plurality of conducting piece, wherein, a plurality of the conducting piece all sets up in the liquid cooling board one side of keeping away from the conducting piece, and the one end of a plurality of conducting piece all runs through and extends to the liquid cooling board and be close to one side of casing, and with the surface butt of conducting piece, can directly conduct the inside of liquid cooling board with the heat of conducting piece conduction through the conducting piece that sets up, the heat on conducting piece surface can be taken away to the heat exchange medium that the liquid cooling board inside flows, this mode compares in carrying out radiating mode with the heat conduction to the liquid cooling board surface, can improve the radiating effect greatly.
Description
Technical Field
The utility model relates to the technical field of distribution boxes, in particular to a high-voltage distribution box.
Background
With the development of electric steam, the current is larger and larger, the requirements on noise are higher and higher, devices such as a relay, a fuse, a shunt and the like are connected in a high-voltage distribution box through copper bars, a loop is formed, the relay is closed and opened to distribute and transmit electricity of a battery pack, the devices such as the relay, the fuse, the shunt and the copper bars all have internal resistances, heat can be generated after the current is conducted, the heat generated by the longer time is larger, the internal temperature of the high-voltage distribution box can be concentrated and raised, the copper bars, the relay, the fuse, the shunt and the like in the high-voltage distribution box cannot be infinitely increased, and the copper bars, the relay, the fuse, the shunt and the like all have safe upper working temperature limits.
Chinese patent publication No. CN114360965a discloses a high voltage distribution box and an electric vehicle, which includes a housing, a high voltage contactor, a busbar, a heat conductive pad, and a liquid cooling plate, wherein a contact is disposed on one side of the high voltage contactor and disposed in the housing; one side of the busbar is connected to one side of the contact in the high voltage contactor; one side of the heat conducting pad is attached to the other side of the busbar far away from the high-voltage contactor; the liquid cooling board is attached to the other side of the heat conducting pad, which is far away from the busbar, however, when the high-voltage distribution box dissipates heat, heat is conducted to the surface of the liquid cooling board only through the heat conducting pad, and the heat is only remained on the surface of the liquid cooling board and taken away, so that the radiating effect of the mode is poor.
Disclosure of Invention
In view of this, the utility model provides a high-voltage distribution box which can rapidly conduct heat into a liquid cooling plate for heat dissipation, thereby improving the heat dissipation effect.
The technical scheme of the utility model is realized as follows: the utility model provides a high-voltage distribution box, which comprises a shell, a liquid cooling plate and a heat conducting piece, wherein,
the inside of the liquid cooling plate is hollow and is arranged on one side of the shell, and a heat exchange medium flows in the liquid cooling plate and is used for taking away heat generated by a heating device in the high-voltage distribution box;
the heat conducting pieces are arranged on one side, close to the shell, of the liquid cooling plate and are used for conducting heat to the surface of the liquid cooling plate;
and a plurality of conductive elements, wherein,
the conduction pieces are arranged on one side, far away from the heat conducting piece, of the liquid cooling plate, and one ends of the conduction pieces penetrate through and extend to one side, close to the shell, of the liquid cooling plate and are abutted against the surface of the heat conducting piece.
On the basis of the above technical scheme, preferably, the plurality of conductive pieces are sequentially arranged at equal intervals along the width direction of the liquid cooling plate.
On the basis of the technical scheme, preferably, one side end face of the plurality of conducting pieces far away from the heat conducting piece is flush.
On the basis of the above technical solution, preferably, the conductive member is one of copper or aluminum.
On the basis of the technical proposal, the device preferably further comprises a relay, at least two interfaces and at least two buses, wherein,
the relay is arranged in the shell, and one side of the relay, which is close to the liquid cooling plate, is provided with at least two contacts;
at least two interfaces are arranged in the shell and are respectively positioned at two sides of the relay;
at least two bus bars are respectively arranged between a contact of the relay and the interface corresponding to the same side;
the heat conducting piece is far away from the side end face of the liquid cooling plate and is abutted against the busbar, and the heat conducting piece is used for conducting heat of the busbar to the liquid cooling plate and the conducting piece for heat dissipation.
On the basis of the technical scheme, preferably, the heat conducting piece is a silica gel heat conducting pad.
On the basis of the technical proposal, the device preferably further comprises at least two conveying pipelines, wherein,
at least two conveying pipelines are respectively arranged at two sides of the liquid cooling plate and are communicated with the inside of the liquid cooling plate, and at least two conveying pipelines are respectively communicated with an infusion end and an infusion end of an external cooling water circulation system, so that a cooling medium circulates in the liquid cooling plate.
On the basis of the technical scheme, preferably, the avoidance grooves are formed in two sides of the shell in the width direction, and the conveying pipeline is located in the avoidance grooves.
On the basis of the technical proposal, the utility model preferably also comprises a plurality of ear blocks, wherein,
the lug blocks are arranged on the outer side of the shell, and the lug blocks are fixed with the liquid cooling plate through bolts.
Compared with the prior art, the high-voltage distribution box has the following beneficial effects:
(1) The heat conducted by the heat conducting piece can be directly conducted to the inside of the liquid cooling plate through the conducting piece, and the heat on the surface of the conducting piece can be taken away by the heat exchange medium flowing in the liquid cooling plate;
(2) One end of the conducting piece that sets up wears out from the liquid cooling board is inside and extend to outside, and the part that the conducting piece stretches out the liquid cooling board can realize with the heat transfer of surrounding air, has increased the radiating area of liquid cooling board for the liquid cooling board has bigger radiating area, when liquid cooling board heat dissipation capacity is not enough, can assist the liquid cooling board to dispel the heat, has further improved the radiating effect.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural exploded view of a high voltage distribution box of the present utility model;
fig. 2 is a structural perspective view of a high voltage distribution box of the present utility model;
fig. 3 is a side sectional view of a liquid cooling structure of a high voltage distribution box according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1-3, the high-voltage distribution box comprises a shell 1, a liquid cooling plate 2 and a heat conducting piece 3, wherein the liquid cooling plate 2 is hollow and is arranged at one side of the shell 1, and a heat exchange medium flows in the liquid cooling plate 2 and is used for taking away heat generated by a heating device in the high-voltage distribution box; the heat conducting pieces 3 are arranged on one side, close to the shell 1, of the liquid cooling plate 2 and are used for conducting heat to the surface of the liquid cooling plate 2; still include a plurality of conducting piece 4, wherein, a plurality of conducting piece 4 all set up in the liquid cooling board 2 one side of keeping away from heat conduction piece 3, and the one end of a plurality of conducting piece 4 all runs through and extends to the liquid cooling board 2 and be close to one side of casing 1, and with the surperficial looks butt of heat conduction piece 3.
It should be noted that, during heat dissipation, heat is conducted through the heat conducting piece 3, and partial heat is conducted to the surface of the liquid cooling plate 2, and simultaneously through the plurality of conducting pieces 4 that set up, the heat conducting piece 3 is directly conducted to the inside of the liquid cooling plate 2 through the conducting piece 4, and the heat of the surface of the conducting piece 4 can be taken away to the heat exchange medium that flows in the liquid cooling plate 2, and this mode is compared in carrying out radiating mode with the heat conduction to the surface of the liquid cooling plate 2, can improve the radiating effect greatly.
And, the one end that heat conduction spare 3 was kept away from to the conducting piece 4 is from the inside outside that extends liquid cooling board 2 of liquid cooling board 2, and the heat transfer with the surrounding air can be realized to the part that heat conduction spare 4 stretched out liquid cooling board 2, has increased the heat radiating area of liquid cooling board 2 for liquid cooling board 2 has bigger heat radiating area, when liquid cooling board 2 heat dissipation capacity is not enough, can assist liquid cooling board 2 to dispel the heat, has further improved the radiating effect.
Specifically, the heat exchange medium in this embodiment is a cooling liquid.
As a preferred embodiment, the plurality of conductive members 4 are sequentially arranged at equal intervals along the width direction of the liquid cooling plate 2.
It should be noted that, the plurality of conducting pieces 4 are arranged at equal intervals, the conducting pieces 4 pass through the liquid cooling plate 2, the space inside the liquid cooling plate 2 can be divided into a plurality of flow channels which are not communicated with each other, the heat exchange medium flows in each flow channel, and then the flowing heat exchange medium can be split, so that the heat taken away is more uniform, and the cooling effect is better.
As a preferred embodiment, a plurality of the conductive members 4 are flush with an end surface of a side away from the heat conductive member 3.
The end face of one side of the bottom of the high-voltage distribution box is smoother, and the high-voltage distribution box is convenient to install and place.
As a preferred embodiment, the conductive member 4 is one of copper or aluminum.
Specifically, the conductive member 4 in this embodiment is preferably a copper sheet, and since copper has a good heat conduction effect, the heat conduction energy loss is small, and the heat of the heat conductive member 3 can be further conducted into the liquid cooling plate 2 to dissipate heat, so that the heat dissipation effect is good.
As a preferred embodiment, the device further comprises a relay 5, at least two interfaces 6 and at least two buses 7, wherein the relay 5 is arranged in the shell 1, and at least two contacts are arranged on one side of the relay 5, which is close to the liquid cooling plate 2; at least two interfaces 6 are arranged in the shell 1 and are respectively positioned at two sides of the relay 5; at least two bus bars 7 are respectively arranged between one contact of the relay 5 and the corresponding interface 6 on the same side; the heat conducting member 3 is abutted against the busbar 7 at the end face of one side far away from the liquid cooling plate 2, and is used for conducting heat of the busbar 7 to the liquid cooling plate 2 and the conducting member 4 for heat dissipation.
Specifically, the bus bar 7 in this embodiment is a copper bar.
In this embodiment, the number of relays 5 is two, the number of interfaces 6 is four, and the number of bus bars 7 is four, wherein two relays 5 are arranged in parallel in the width direction of the housing 1 in the housing 1, and each bus bar 7 passes through between the corresponding interface 6 of the bolt and the corresponding contact of the relay 5.
Specifically, in this embodiment, the heat conducting member 3 is a silica gel heat conducting pad, the silica gel heat conducting pad has good heat conducting capability and high-level pressure resistance, the heat conducting member 3 can be adhered to the surface of the liquid cooling plate 2 through adhesive, the heat conducting member 3 has certain elastic deformation capability, the heat conducting member 3 can be attached to the surface of the liquid cooling plate 2 without gaps, and meanwhile, insulation is achieved between the busbar 7 and the liquid cooling plate 2.
As a preferred embodiment, the cooling device further comprises at least two conveying pipelines 8, wherein at least two conveying pipelines 8 are respectively arranged at two sides of the liquid cooling plate 2 and are communicated with the inside of the liquid cooling plate 2, and at least two conveying pipelines 8 are respectively communicated with an infusion end and an infusion end of an external cooling water circulation system so as to enable a cooling medium to circulate in the liquid cooling plate 2.
It can be understood that the cooling water circulation system refers to a water supply system in which cooling water exchanges heat and is cooled and recycled, and the technology of the cooling water circulation system is the prior art and will not be described in detail herein.
In addition, dodging grooves 200 are formed in two sides of the casing 1 in the width direction, and the conveying pipeline 8 is located in the dodging grooves 200.
It should be noted that, the conveying pipeline 8 in this embodiment is L-shaped, and through the avoiding grooves 200 formed on two sides of the housing 1, the conveying pipeline 8 can be installed to avoid, so that the high-voltage distribution box structure is more compact.
As a preferred embodiment, the liquid cooling plate further comprises a plurality of ear blocks 9, wherein the plurality of ear blocks 9 are all arranged on the outer side of the shell 1, and the plurality of ear blocks 9 are all fixed with the liquid cooling plate 2 through bolts.
It should be noted that, screw holes are all provided on one side of the plurality of ear blocks 9 along the height direction, a plurality of through holes corresponding to the screw holes are provided on one side of the liquid cooling plate 2, and bolts penetrate through the through holes to extend into the screw holes and are in threaded connection with the screw holes.
Specifically, in this embodiment, the number of the preferred ear blocks 9 is four, and the four ear blocks 9 are distributed on the outer side of the housing 1 in a central symmetry manner and are disposed near one side of the liquid cooling plate 2.
Working principle:
the heat that busbar 7 during operation produced is at first conducted through heat conduction spare 3, and in the conduction spare 4 conduction to liquid cooling board 2 of partial heat rethread connection on the heat conduction spare 3, the heat transfer medium of the inside flow of liquid cooling board 2 can directly take away the heat on conduction spare 4 surface, reaches radiating effect, and the heat transfer with surrounding air can be realized to the part that simultaneously conduction spare 4 stretches out liquid cooling board 2, has increased the radiating area of liquid cooling board 2, can assist liquid cooling board 2 to dispel the heat, has further improved the radiating effect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. A high-voltage distribution box comprises a shell (1), a liquid cooling plate (2) and a heat conducting piece (3), wherein,
the inside of the liquid cooling plate (2) is hollow and is arranged on one side of the shell (1), and a heat exchange medium flows in the liquid cooling plate (2) and is used for taking away heat generated by a heating device in the high-voltage distribution box;
the heat conducting pieces (3) are arranged on one side, close to the shell (1), of the liquid cooling plate (2) and are used for conducting heat to the surface of the liquid cooling plate (2);
the method is characterized in that: also comprises a plurality of conducting pieces (4), wherein,
the plurality of conducting pieces (4) are arranged on one side, far away from the heat conducting piece (3), of the liquid cooling plate (2), and one ends of the plurality of conducting pieces (4) penetrate through and extend to one side, close to the shell (1), of the liquid cooling plate (2) and are abutted against the surface of the heat conducting piece (3).
2. The high voltage electrical box of claim 1, wherein: the plurality of conducting pieces (4) are sequentially distributed at equal intervals along the width direction of the liquid cooling plate (2).
3. The high voltage electrical box of claim 1, wherein: the end faces of one side, far away from the heat conducting pieces (3), of the plurality of the conducting pieces (4) are flush.
4. The high voltage electrical box of claim 1, wherein: the conductive piece (4) is one of copper or aluminum.
5. The high voltage electrical box of claim 1, wherein: also comprises a relay (5), at least two interfaces (6) and at least two buses (7), wherein,
the relay (5) is arranged in the shell (1), and at least two contacts are arranged on one side of the relay (5) close to the liquid cooling plate (2);
at least two interfaces (6) are arranged in the shell (1) and are respectively positioned at two sides of the relay (5);
at least two bus bars (7) are respectively arranged between a contact of the relay (5) and the interface (6) corresponding to the same side;
the end face of one side, far away from the liquid cooling plate (2), of the heat conducting piece (3) is abutted against the busbar (7) and used for conducting heat of the busbar (7) to the liquid cooling plate (2) and the conducting piece (4) for heat dissipation.
6. The high voltage electrical box of claim 1, wherein: the heat conducting piece (3) is a silica gel heat conducting pad.
7. The high voltage electrical box of claim 1, wherein: further comprising at least two conveying pipes (8), wherein,
at least two conveying pipelines (8) are respectively arranged at two sides of the liquid cooling plate (2) and are communicated with the inside of the liquid cooling plate (2), and at least two conveying pipelines (8) are respectively communicated with the infusion end and the infusion end of an external cooling water circulation system, so that a cooling medium circulates in the liquid cooling plate (2).
8. The high voltage electrical box of claim 7, wherein: avoidance grooves (200) are formed in two sides of the shell (1) in the width direction, and the conveying pipeline (8) is located in the avoidance grooves (200).
9. The high voltage electrical box of claim 1, wherein: also comprises a plurality of ear blocks (9), wherein,
the plurality of ear blocks (9) are all arranged on the outer side of the shell (1), and the plurality of ear blocks (9) are all fixed with the liquid cooling plate (2) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223541455.3U CN219018266U (en) | 2022-12-29 | 2022-12-29 | High-voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223541455.3U CN219018266U (en) | 2022-12-29 | 2022-12-29 | High-voltage distribution box |
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| CN219018266U true CN219018266U (en) | 2023-05-12 |
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| CN202223541455.3U Active CN219018266U (en) | 2022-12-29 | 2022-12-29 | High-voltage distribution box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116528535A (en) * | 2023-07-03 | 2023-08-01 | 武汉嘉晨电子技术有限公司 | Electric connector assembly structure, distribution box and preparation method of distribution box |
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2022
- 2022-12-29 CN CN202223541455.3U patent/CN219018266U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116528535A (en) * | 2023-07-03 | 2023-08-01 | 武汉嘉晨电子技术有限公司 | Electric connector assembly structure, distribution box and preparation method of distribution box |
| CN116528535B (en) * | 2023-07-03 | 2023-10-03 | 武汉嘉晨电子技术有限公司 | Electric connector assembly structure, distribution box and preparation method of distribution box |
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