CN218005011U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
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- CN218005011U CN218005011U CN202221325272.5U CN202221325272U CN218005011U CN 218005011 U CN218005011 U CN 218005011U CN 202221325272 U CN202221325272 U CN 202221325272U CN 218005011 U CN218005011 U CN 218005011U
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Abstract
The utility model discloses a battery package and vehicle, battery package includes: the distribution box is provided with a first cooling assembly, and the first cooling assembly is used for cooling and radiating heat of the distribution box; battery pack, battery pack are connected with the block terminal, and battery pack is equipped with second cooling module, and second cooling module is used for cooling the heat dissipation to battery pack. The utility model discloses a battery pack sets up first cooling module and second cooling module respectively at block terminal and battery pack, according to block terminal and battery pack's the different degrees of generating heat, controls first cooling module and second cooling module respectively and cools off the heat dissipation to block terminal and battery pack, effectively improves the radiating efficiency, reduces overheated risk, and extension components and parts life can also avoid the energy waste simultaneously.
Description
Technical Field
The utility model relates to a battery manufacturing technology field, more specifically relates to a battery package and vehicle that has this battery package.
Background
In the prior art, components such as a relay, a fuse, a high-voltage monitoring module and a battery control manager are arranged in a shell by a distribution box of a battery pack, and are connected into a loop by connecting copper bars.
The prior art generally adopts a cooling plate to simultaneously dissipate heat of a distribution box and a battery in a battery pack, but the heat production speed and the heat production quantity of the distribution box are greatly different from those of the battery. The heat dissipation scheme among the prior art does not consider the different degrees of generating heat of block terminal and battery, leads to the cooling plate to be in operating condition always, and the radiating effect is poor and causes the energy waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new technical scheme of battery package and vehicle can solve the heat dissipation scheme among the prior art at least and do not consider the problem of the different degrees of generating heat of block terminal and battery.
The utility model discloses a first aspect provides a battery pack, include: the distribution box is provided with a first cooling assembly, and the first cooling assembly is used for cooling and radiating heat of the distribution box; battery pack, battery pack with the block terminal is connected, battery pack is equipped with second cooling module, second cooling module is used for right battery pack cooling heat dissipation.
Optionally, the first cooling assembly and the second cooling assembly are identical in structure.
Optionally, the first cooling assembly comprises: the liquid cooling piece is arranged on the distribution box, a circulating channel is arranged in the liquid cooling piece, and the liquid cooling piece is provided with a water inlet and a water outlet which are respectively communicated with two ends of the circulating channel; the first pipeline is connected with the water inlet; the second pipeline is connected with the water outlet; the control valve is arranged on the first pipeline, and the control valve is opened to cool and radiate the distribution box under the condition that the temperature of the distribution box is higher than a first preset temperature.
Optionally, the liquid cooling piece is a liquid cooling plate, the circulation channel is arranged in the liquid cooling plate, and the liquid cooling plate is provided with the water inlet and the water outlet which are respectively communicated with two ends of the circulation channel.
Optionally, the first cooling assembly further comprises: the heat conducting piece is arranged at the bottom of the distribution box, the position of the heat conducting piece corresponds to that of a heating component in the distribution box, and the liquid cooling piece is arranged on the heat conducting piece.
Optionally, the heat conducting member is a heat conducting glue.
Optionally, first cooling module with second cooling module structure as an organic whole, a body structure includes the liquid cooling piece, the liquid cooling piece respectively with the block terminal with battery pack connects, be equipped with two in the liquid cooling piece circulation channel, one of them circulation channel corresponds to the block terminal, another circulation channel corresponds to battery pack, every circulation channel is equipped with corresponding first pipeline, second pipeline and control valve respectively and connects, the block terminal with battery pack is respectively through one the control valve opens or closes corresponding one circulation channel.
Optionally, the electrical box comprises: a housing defining a receiving cavity therein; the battery control manager, the negative relay, the positive relay and the fuse are arranged in the accommodating cavity and are sequentially arranged in the first direction of the shell at intervals, and the positions of the negative relay, the positive relay and the fuse correspond to the position of the liquid cooling piece; the plurality of connecting copper bars are respectively connected with the battery control manager, the negative electrode relay, the positive electrode relay and the fuse to form a current loop, and the positions of the connecting copper bars correspond to the position of the liquid cooling piece; the temperature sensor is arranged on one of the connecting copper bars and is in signal connection with the battery control manager, and when the temperature of the temperature sensor is higher than a first preset temperature, the battery control manager controls the first cooling assembly to work.
Optionally, a through groove communicated with the accommodating cavity is formed in the bottom of the shell, the through groove is internally provided with the heat conducting piece, the positions of the negative relay, the positive relay and the fuse correspond to the positions of the through groove, the connecting copper bar is located in the through groove, and the liquid cooling piece corresponds to the position of the through groove.
Optionally, the through slot includes a plurality of slots, the negative relay, the positive relay, and the fuse correspond to one of the slots, the plurality of heat conducting members are provided, and one heat conducting member is provided for each of the connecting copper bars located in the slot.
Optionally, the liquid cooling member covers the through slot, and the liquid cooling member is connected to the housing.
In a second aspect of the present invention, a vehicle is provided, which includes the battery pack described in the above embodiment.
The utility model discloses a battery pack sets up first cooling module and second cooling module respectively at block terminal and battery pack to can control first cooling module and second cooling module respectively and cool off the heat dissipation to block terminal and battery pack according to block terminal and battery pack's the different degree that generates heat, effectively improve the radiating efficiency, reduce overheated risk, extension components and parts life can also avoid the energy waste simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a distribution box of a battery pack according to an embodiment of the present invention;
fig. 2 is an exploded view of the structure of a power distribution box of a battery pack according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a power distribution box of a battery pack according to an embodiment of the present invention;
fig. 4 is a side view of a power distribution box of a battery pack according to an embodiment of the present invention.
Reference numerals:
a distribution box 10; a housing 11; a through groove 111; a battery control manager 12; a negative electrode relay 13; a positive electrode relay 14; a fuse 15; a connecting copper bar 16; a temperature sensor 17;
a low-voltage connector 21; a high voltage monitoring module 22; a module overall negative electrode 23; a module main anode 24; a high-voltage leading-out cathode 25; a high-voltage extraction anode 26; a wire harness 27;
a first cooling assembly 30; a heat conductive member 31; a liquid cooling member 32; a liquid-cooling plate 321; a water inlet 322; a water outlet 323;
and a bolt 40.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The following describes a battery pack according to an embodiment of the present invention in detail with reference to the drawings.
As shown in fig. 1 and 2, a battery pack according to an embodiment of the present invention includes a distribution box 10 and a battery assembly.
Specifically, the electric box 10 is provided with a first cooling assembly 30, and the first cooling assembly 30 is used for cooling and radiating heat to the electric box 10. The battery pack is connected with the distribution box 10, and the battery pack is provided with a second cooling assembly which is used for cooling and radiating the battery pack.
In other words, the battery pack according to the embodiment of the present invention is mainly composed of the distribution box 10 and a battery assembly (not shown in the figure). Referring to fig. 1 and fig. 2, a first cooling assembly 30 is disposed on the distribution box 10, and the first cooling assembly 30 can cool and dissipate heat of the distribution box 10. Battery pack is connected with block terminal 10, and battery pack is provided with second cooling module, and second cooling module can cool off the heat dissipation to battery pack. Battery pack can understand the structure such as battery cell, electric core in the battery package the utility model discloses in no longer detailed description.
When the temperature of block terminal 10 is greater than first temperature of predetermineeing, first cooling module 30 begins work, realizes dispelling the heat to block terminal 10 cooling. When the temperature of the battery assembly is higher than the second preset temperature, the second cooling assembly starts to work, and cooling and heat dissipation of the battery assembly are achieved. Wherein the first preset temperature is higher than the second preset temperature. The utility model discloses a battery pack can be according to block terminal 10 and battery pack's the different degree of generating heat, controls first cooling module 30 and second cooling module respectively and cools off the heat dissipation to block terminal 10 and battery pack, effectively improves the radiating efficiency, reduces overheated risk, and extension components and parts life can also avoid the energy waste simultaneously.
It should be noted that, when the battery pack works, the heat generation amount of the components in the distribution box 10 is higher than that of the battery assembly, so that the temperature of the distribution box 10 is higher, usually higher than 80 ℃, and can reach higher than 120 ℃ when overheated. Therefore, the first preset temperature may be set to 80 ℃, and when the temperature of the distribution box 10 is higher than 80 ℃, the first cooling assembly 30 starts to operate to cool and dissipate heat of the distribution box 10. The battery pack is usually cooled to a temperature of 35 c, and thus, the second preset temperature may be set to 35 c. The utility model discloses a control first cooling module 30 and second cooling module respectively and to block terminal 10 and battery pack heat dissipation, not only be favorable to improving the radiating efficiency, reduce overheated risk, extension components and parts life can also prevent simultaneously that first cooling module 30 is in operating condition always, avoids the energy waste.
Along with the experience of a user on the long endurance and the high power of the electric automobile, the voltage and the current in a high-voltage loop in the battery pack are increased, and large-size components need to be selected, but the space of the distribution box 10 is narrow, the specifications of the components need to be reduced, and the requirements on the temperature resistance levels of the components and the materials are high. The utility model discloses an improve block terminal 10 and battery pack's radiating efficiency, can reduce the specification of each components and parts in the block terminal 10 to reduce cost's purpose can also be reached.
From this, according to the utility model discloses the battery pack sets up first cooling module 30 and second cooling module respectively at block terminal 10 and battery pack to can control first cooling module 30 and second cooling module respectively and cool off block terminal 10 and battery pack according to the different degrees of generating heat of block terminal 10 and battery pack, effectively improve the radiating efficiency, reduce overheated risk, extension components and parts life can also avoid the energy waste simultaneously.
According to an embodiment of the present invention, the first cooling assembly 30 and the second cooling assembly are identical in structure.
That is, the first cooling unit 30 and the second cooling unit 30 may be respectively composed of the same structural members, wherein the first cooling unit 30 corresponds to the electric distribution box 10, and the second cooling unit corresponds to the battery unit. According to block terminal 10 and battery pack's different degrees of generating heat, cool off the heat dissipation to block terminal 10 and battery pack through the first cooling module 30 of independent control and second cooling module, effectively improve the radiating efficiency, reduce overheated risk, extension components and parts life can also avoid the energy waste simultaneously.
Of course, the structure of the first cooling assembly 30 and the second cooling assembly may be different, so long as the structure that the battery pack can be independently controlled to cool and dissipate heat can be satisfied, which also falls into the protection scope of the present invention.
In some embodiments of the present invention, referring to fig. 2, the first cooling assembly 30 mainly comprises a liquid cooling member 32, a first pipeline, a second pipeline and a control valve (the first pipeline, the second pipeline and the control valve are not shown in the figure), wherein the liquid cooling member 32 is disposed on the distribution box 10, a circulation channel is disposed in the liquid cooling member 32, and the liquid cooling member 32 is provided with a water inlet 322 and a water outlet 323 which are respectively communicated with two ends of the circulation channel. The first pipe is connected with the water inlet 322, and the second pipe is connected with the water outlet 323. The control valve sets up on first pipeline, is greater than under the first condition of predetermineeing the temperature at block terminal 10's temperature, and the control valve is opened, and the coolant liquid (for example, cooling water) can be derived through water inlet 322, circulation passage and delivery port 323 from first pipeline is leading-in, and rethread second pipeline is derived, takes away the heat of block terminal 10, realizes effectively improving block terminal 10's radiating efficiency to block terminal 10's cooling heat dissipation.
According to an embodiment of the present invention, referring to fig. 2, the liquid cooling member 32 is a liquid cooling plate 321. A circulation channel is arranged in the liquid cooling plate 321, and the liquid cooling plate 321 is provided with a water inlet 322 and a water outlet 323 which are respectively communicated with two ends of the circulation channel. The first pipe is connected to the water inlet 322. The second pipe is connected with the water outlet 323. The control valve is installed on first pipeline, is greater than under the first condition of predetermineeing the temperature at block terminal 10's temperature, and the control valve can be opened, and the coolant liquid (for example, cooling water) can be derived through water inlet 322, circulation channel and delivery port 323 from first pipeline is leading-in, and rethread second pipeline is derived, takes away the heat of block terminal 10, realizes effectively improving block terminal 10's radiating efficiency to block terminal 10's cooling heat dissipation.
According to an embodiment of the present invention, the first cooling assembly 30 further comprises: the heat conducting member 31, the heat conducting member 31 is disposed at the bottom of the distribution box 10, the heat conducting member 31 corresponds to the position of the heat generating component in the distribution box 10, and the liquid cooling member 32 is disposed on the heat conducting member 31. The heat conducting member 31 transfers heat to the liquid cooling member 32, and when the temperature of the distribution box 10 is higher than a first preset temperature (for example, 80 ℃), the liquid cooling member 32 starts to work, so that the heat transferred by the heat conducting member 31 is cooled and dissipated.
Optionally, the heat conducting member 31 may be made of heat conducting glue, and the liquid cooling member 32 may be adhered to the distribution box 10 through the heat conducting glue, so as to improve the heat dissipation efficiency.
According to an embodiment of the present invention, the first cooling assembly 30 and the second cooling assembly may be separately provided. According to block terminal 10 and battery pack's the different degree that generates heat, control first cooling module 30 and second cooling module respectively through the control valve and carry out cooling heat dissipation to block terminal 10 and battery pack, effectively improve the radiating efficiency, reduce overheated risk, extension components and parts life can also avoid the energy waste simultaneously.
The utility model discloses an in some embodiments, first cooling module 30 and second cooling module structure as an organic whole, including liquid cooling piece 32 in this body structure, liquid cooling piece 32 can adopt liquid cooling board 321, liquid cooling piece 32 is connected with block terminal 10 and battery pack respectively, be provided with two circulation channel in the liquid cooling piece 32, one of them circulation channel is corresponding to block terminal 10, another circulation channel is corresponding to battery pack, every circulation channel is equipped with corresponding first pipeline respectively, second pipeline and control valve are connected, block terminal 10 and battery pack open or close a circulation channel that corresponds through a control valve respectively, realize controlling two circulation channel respectively by a liquid cooling piece 32, can be according to the different degrees of generating heat of block terminal 10 and battery pack, carry out the cooling heat dissipation alone to block terminal 10 and battery pack, effectively improve the radiating efficiency, reduce the overheated risk, increase of service life of components and parts, can also avoid the energy waste simultaneously.
The utility model discloses in, also can do the size of the liquid cooling board 321 that sets up on the battery pack greatly, set up block terminal 10 on this liquid cooling board 321 equally, make a liquid cooling board 321 of first cooling module 30 and second cooling module sharing. Through setting up circulation channel with liquid cold plate 321 corresponding battery pack and block terminal 10 position respectively, equally can be through opening and closing of control valve of control difference, realize the heat dissipation demand of first cooling module 30 and second cooling module.
According to an embodiment of the present invention, the distribution box 10 includes a housing 11, a battery control manager 12, a negative relay 13, a positive relay 14, a fuse 15, a connection copper bar 16, and a temperature sensor 17.
Specifically, a housing cavity is defined in the housing 11, and a through groove 111 communicating with the housing cavity is formed at the bottom of the housing 11. And a battery control manager 12, a negative relay 13, a positive relay 14 and a fuse 15 which are arranged in the accommodating chamber and spaced apart in sequence in the first direction of the housing 11, wherein the positions of the negative relay 13, the positive relay 14 and the fuse 15 correspond to the position of the liquid cooling member 32. The plurality of connecting copper bars 16 are respectively connected with the battery control manager 12, the negative electrode relay 13, the positive electrode relay 14 and the fuse 15 to form a current loop. The position of the connecting copper bar 16 corresponds to the position of the liquid cooling member 32.
The temperature sensor 17 is arranged on one of the connecting copper bars 16 (copper bars for short) in the through groove 111, the temperature sensor 17 is in signal connection with the battery control manager 12, and when the temperature of the temperature sensor 17 is higher than a first preset temperature, the battery control manager 12 controls the first cooling assembly 30 to work.
Optionally, the bottom of the housing 11 is provided with a through groove 111 communicating with the accommodating cavity, the through groove is provided with a heat conducting member 31, the positions of the negative relay 13, the positive relay 14 and the fuse 15 correspond to the position of the through groove 111, the connecting copper bar 16 is located in the through groove 111, and the liquid cooling member 32 corresponds to the position of the through groove 111. The connecting copper bars 16 corresponding to the negative relay 13, the positive relay 14 and the fuse 15 are located in the through groove 111, the first cooling assembly 30 is arranged in the through groove 111, and the first cooling assembly 30 is connected with the connecting copper bars 16 located in the through groove 111.
In other words, as shown in fig. 2 to 4, the distribution box 10 is mainly composed of a housing 11, a Battery control manager (BMC) 12, a negative relay 13, a positive relay 14, a fuse 15, a connecting copper bar 16, and a temperature sensor 17. Wherein, be formed with in the casing 11 and hold the chamber, casing 11 bottom is provided with logical groove 111, leads to groove 111 and holds the chamber intercommunication. The case 11 may be a substantially square case, the battery control manager 12, the negative relay 13, the positive relay 14, and the fuse 15 are respectively provided in the accommodation cavities, and the battery control manager 12, the negative relay 13, the positive relay 14, and the fuse 15 are sequentially arranged at intervals in a first direction (length direction) of the case 11.
The positions of the negative relay 13, the positive relay 14, and the fuse 15 correspond to the positions of the through slots 111. The battery control manager 12, the cathode relay 13, the anode relay 14, the fuse 15 and other components can form a current loop through a plurality of connecting copper bars 16. The connecting copper bars 16 corresponding to the negative relay 13, the positive relay 14 and the fuse 15 are located in the through grooves 111, the first cooling assembly 30 is arranged in the through grooves 111, and the first cooling assembly 30 is connected with the connecting copper bars 16 located in the through grooves 111. The heat generated by the negative relay 13, the positive relay 14, the fuse 15 and other components in the distribution box 10 is transferred to the first cooling assembly 30 through the connecting copper bar 16. The temperature sensor 17 is arranged on one of the connecting copper bars 16 in the through groove 111, and the temperature sensor 17 is in signal connection with the battery control manager 12. When the temperature of the temperature sensor 17 is higher than a first preset temperature, the battery control manager 12 controls the first cooling assembly 30 to work, so as to cool and dissipate the heat of the distribution box 10.
In some embodiments of the present invention, the through groove 111 includes a plurality of groove holes, the negative relay 13, the positive relay 14 and the fuse 15 correspond to a groove hole respectively, the heat conducting member 31 is a plurality of, and each connecting copper bar 16 located in the groove hole is provided with one heat conducting member 31. The liquid cooling member 32 covers the through groove 111, and the liquid cooling member 32 is bolted to the housing 11.
That is, as shown in fig. 2, the through slot 111 may form a plurality of slots spaced apart along the length direction of the housing 11, the negative relay 13, the positive relay 14 and the fuse 15 respectively pass through a corresponding one of the slots, the heat conducting member 31 is plural, and each of the connecting copper bars 16 located in the slots may be provided with one of the heat conducting members 31. The heat conducting member 31 can be made of heat conducting glue, the liquid cooling plate 321 in the liquid cooling member 32 covers the through groove 111, the liquid cooling plate 321 can be adhered to the through groove 111 through the heat conducting glue, and the liquid cooling member 32 and the housing 11 can be further fixedly connected through the bolt 40.
In the utility model discloses a distribution box 10, see fig. 3, distribution box 10 still includes low Voltage connector 21, high Voltage monitoring module 22 (HVSU, high Voltage supervisory Unit), module total negative pole 23, module total positive pole 24, high pressure extraction negative pole 25, high pressure extraction positive pole 26 and pencil 27 isotructure. Wherein, the bottom of block terminal 10 sets up liquid cold plate 321, cools off heating element spare in the block terminal 10, and liquid cold plate 321 sets up water inlet 322 and delivery port 323, and low voltage connector 21 sets up on the left side of block terminal 10, and low voltage connector 21 is used for being connected with whole car and controls the battery package.
The negative pole loop is connected to HVSU (high voltage monitoring module 22) by module total negative pole 23, and HVSU is connected to negative pole relay 13 through connecting copper bar 16, and connecting copper bar 16 of the high voltage terminal of negative pole relay 13 arranges in the bottom of block terminal 10, and connecting copper bar 16 is connected to high voltage and draws out negative pole 25.
The positive pole loop is connected to the fuse 15 through the module total positive pole 24, the fuse 15 is connected to the positive pole relay 14 through the connecting copper bar 16, the connecting copper bar 16 is connected to the high-voltage leading-out positive pole 26 at the bottom of the distribution box 10 where the connecting copper bar 16 of the high-voltage terminal of the positive pole relay 14 is arranged, and the pre-charging loop is arranged at the end of the whole vehicle.
The utility model discloses a temperature to block terminal 10 is controlled, can set up a temperature sensor 17 on the connection copper bar 16 on the highest negative pole relay 13 of temperature, positive relay 14 and insurance 15 in block terminal 10 to be used for detecting block terminal 10 at operating temperature.
When the distribution box 10 is designed, the directions of the fuse 15, the terminals of the relays (the positive relay 14 and the negative relay 13) and the connecting copper bars 16 of the connecting terminals are all designed towards the direction of the liquid cooling plate 321, so that the arrangement of the heat conducting glue is facilitated.
A through groove 111 is formed below the housing 11 of the distribution box 10, the connecting copper bar 16 on the relay is exposed, and the heat conducting adhesive is attached to the position to be in contact with the connecting copper bar 16. The liquid cooling plate 321 is disposed below the heat conductive adhesive and closely attached to the heat conductive adhesive. When block terminal 10 overflows the copper bar and can produce heat and heat conduction, temperature sensor 17 can transmit temperature information to BMC (battery control manager 12), and when the temperature reached the temperature that BMC set up (first preset temperature, for example 80 ℃), BMC can control the control valve of first cooling module 30 and open, and the coolant liquid circulates in the liquid cooling board 321 to take away the heat, reduce the temperature in the return circuit. The liquid cooling plate 321 may be fixed to the housing 11 of the electric box 10 by bolts 40.
Of course, the utility model discloses in, liquid cooling plate 321 can adopt phase change material to form, as long as the structure that can improve the radiating efficiency all should fall into the utility model discloses a protection scope. Meanwhile, for those skilled in the art, the specific mechanisms and the working principles of the components such as the relay, the battery control manager 12, the high voltage monitoring module 22, the fuse 15 and the like in the battery pack and the distribution box 10 can be understood and implemented, and are not described in detail herein.
All in all, according to the utility model discloses according to the battery pack, set up first cooling module 30 and second cooling module respectively at block terminal 10 and battery pack to can control first cooling module 30 and second cooling module respectively and carry out cooling heat dissipation to block terminal 10 and battery pack according to the different degrees of generating heat of block terminal 10 and battery pack, effectively improve the radiating efficiency, reduce overheated risk, extension components and parts life, can also avoid energy waste simultaneously.
According to a second aspect of the present invention, there is provided a vehicle including the battery pack in the above embodiment. Because according to the utility model discloses the battery package has above-mentioned technological effect, consequently, according to the utility model discloses a vehicle also should have corresponding technological effect, promptly the utility model discloses a vehicle can be according to block terminal 10 and battery pack's different degree of generating heat through adopting this battery package, controls first cooling module 30 and second cooling module respectively and cools off the heat dissipation to block terminal 10 and battery pack, effectively improves the radiating efficiency, reduces overheated risk, extension components and parts life, can also avoid the energy waste simultaneously.
Of course, other structures of the vehicle and the working principle thereof are understood and can be realized by those skilled in the art, and detailed description is omitted in the present invention.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (12)
1. A battery pack, comprising:
the distribution box is provided with a first cooling assembly, and the first cooling assembly is used for cooling and radiating heat of the distribution box;
the battery pack, the battery pack with the block terminal is connected, the battery pack is equipped with second cooling module, second cooling module is used for right battery pack cooling heat dissipation.
2. The battery pack of claim 1, wherein the first cooling assembly and the second cooling assembly are identical in structure.
3. The battery pack of claim 1, wherein the first cooling assembly comprises:
the liquid cooling piece is arranged on the distribution box, a circulating channel is arranged in the liquid cooling piece, and the liquid cooling piece is provided with a water inlet and a water outlet which are respectively communicated with two ends of the circulating channel;
the first pipeline is connected with the water inlet;
the second pipeline is connected with the water outlet;
the control valve is arranged on the first pipeline, and the control valve is opened to cool and radiate the distribution box under the condition that the temperature of the distribution box is higher than a first preset temperature.
4. The battery pack of claim 3, wherein the liquid cooling member is a liquid cooling plate, the circulation channel is disposed in the liquid cooling plate, and the liquid cooling plate is provided with the water inlet and the water outlet respectively communicated with two ends of the circulation channel.
5. The battery pack of claim 3, wherein the first cooling assembly further comprises: the heat conduction piece, the heat conduction piece is established block terminal bottom, the heat conduction piece with the position of the heating element in the block terminal is corresponding, the liquid cooling piece is established on the heat conduction piece.
6. The battery pack of claim 5, wherein the thermally conductive member is a thermally conductive adhesive.
7. The battery pack according to claim 1, wherein the first cooling assembly and the second cooling assembly are integrated into a single structure, the single structure includes a liquid cooling member, the liquid cooling member is respectively connected with the distribution box and the battery assembly, two circulation channels are arranged in the liquid cooling member, one circulation channel corresponds to the distribution box, the other circulation channel corresponds to the battery assembly, each circulation channel is respectively provided with a corresponding first pipeline, a corresponding second pipeline and a control valve for connection, and the distribution box and the battery assembly respectively open or close a corresponding circulation channel through one control valve.
8. The battery pack of claim 5, wherein the electrical box comprises:
a housing defining a receiving cavity therein;
the battery control manager, the negative relay, the positive relay and the fuse are arranged in the accommodating cavity and are sequentially arranged in the first direction of the shell at intervals, and the positions of the negative relay, the positive relay and the fuse correspond to the position of the liquid cooling piece;
the plurality of connecting copper bars are respectively connected with the battery control manager, the negative electrode relay, the positive electrode relay and the fuse to form a current loop, and the positions of the connecting copper bars correspond to the positions of the liquid cooling pieces;
the temperature sensor is arranged on one of the connecting copper bars and is in signal connection with the battery control manager, and when the temperature of the temperature sensor is higher than a first preset temperature, the battery control manager controls the first cooling assembly to work.
9. The battery pack according to claim 8, wherein a through groove communicating with the accommodating cavity is formed in the bottom of the housing, the heat conducting member is disposed in the through groove, the positions of the negative relay, the positive relay and the fuse correspond to the positions of the through groove, the connecting copper bar is disposed in the through groove, and the liquid cooling member corresponds to the position of the through groove.
10. The battery pack according to claim 9, wherein the through-groove includes a plurality of through-holes, one through-hole corresponds to each of the negative relay, the positive relay, and the fuse, and the heat-conducting member is provided in plurality, and one through-hole is provided for each of the connecting copper bars located in the through-holes.
11. The battery pack of claim 9, wherein the liquid cooling member covers the through slot and is connected to the housing.
12. A vehicle characterized by comprising the battery pack according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325272.5U CN218005011U (en) | 2022-05-26 | 2022-05-26 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325272.5U CN218005011U (en) | 2022-05-26 | 2022-05-26 | Battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005011U true CN218005011U (en) | 2022-12-09 |
Family
ID=84291440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325272.5U Active CN218005011U (en) | 2022-05-26 | 2022-05-26 | Battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218005011U (en) |
-
2022
- 2022-05-26 CN CN202221325272.5U patent/CN218005011U/en active Active
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