CN218257642U

CN218257642U - Battery thermal management system and vehicle with same

Info

Publication number: CN218257642U
Application number: CN202222918113.2U
Authority: CN
Inventors: 金江锋; 傅超勇; 王秋茗; 朴相宇
Original assignee: Dunan Automotive Thermal Management Technology Co Ltd
Current assignee: Dunan Automotive Thermal Management Technology Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-10
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a battery thermal management system and have its vehicle, battery thermal management system includes: the battery pack is provided with a heat exchange plate and a battery core, the heat exchange plate is in contact with the battery core, and the heat exchange plate can exchange heat and cool the battery core; the heat management device comprises a shell, a compressor, a condenser, a throttling device and an evaporator, wherein the compressor, the condenser, the throttling device and the evaporator are all positioned in the shell, and the compressor, the condenser, the throttling device and the evaporator are sequentially connected through pipelines; the cooling circulation pipeline is communicated with the heat exchange plate, and the evaporator can exchange heat and reduce the temperature of the cooling liquid in the cooling circulation pipeline; wherein the height of the battery pack is different from the height of the thermal management device by 0 to 20mm. Through the technical scheme provided by the application, the problem that the positions of the heat management device and the battery pack in the prior art cannot be exchanged when the heat management device and the battery pack are installed in an automobile can be solved.

Description

Battery thermal management system and vehicle with same

Technical Field

The utility model relates to the field of automotive technology, particularly, relate to a battery thermal management system and have its vehicle.

Background

The battery thermal management system of the new energy automobile comprises a thermal management device, an expansion water tank and a battery pack. The existing heat management device is composed of elements such as a fan, a condenser, a compressor and an evaporator, and is particularly suitable for heat management of a new energy automobile power battery, the temperature of the battery can be adjusted, the battery can work within a certain temperature range, thermal runaway and low-temperature damage of the battery at high temperature are prevented, and the service life of the battery can be prolonged.

In the prior art, the height difference between the height of the thermal management device and the height difference between the height of the battery pack is 27mm to 47mm, the height difference between the thermal management device and the height difference between the battery pack is large, and the installation space in an automobile is limited, so that when the thermal management device and the battery pack are installed, the thermal management device and the battery pack need to be installed in specific spaces respectively, and the positions of the thermal management device and the battery pack cannot be interchanged during installation, so that the flexibility of automobile assembly is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery thermal management system and have its vehicle to the problem of unable interchange position when solving the heat management device among the prior art and installing in the car with the battery package.

According to an aspect of the utility model, a battery thermal management system is provided, battery thermal management system includes: the battery pack is provided with a heat exchange plate and a battery core, the heat exchange plate is in contact with the battery core, and the heat exchange plate can exchange heat and cool the battery core; the heat management device comprises a shell, a compressor, a condenser, a throttling device and an evaporator, wherein the compressor, the condenser, the throttling device and the evaporator are all positioned in the shell, and the compressor, the condenser, the throttling device and the evaporator are sequentially connected through pipelines; the cooling circulation pipeline is communicated with the heat exchange plate, and the evaporator can exchange heat and reduce the temperature of the cooling liquid in the cooling circulation pipeline; wherein the height difference between the battery pack and the thermal management device is in the range of 0 to 20mm.

Use the technical scheme of the utility model, casing, compressor, condenser, throttling arrangement and evaporimeter all set up in the casing, and the height of thermal management device is the same with the height of casing promptly, and battery package and thermal management device pass through cooling cycle pipeline intercommunication to, battery package and thermal management device's difference in height set up in 0 to 20 mm's within range. So set up, can improve the interchangeability when installation of battery package and heat pipe device, because difference in height between them is less, when the car manufacturer is installing heat management device and battery package, can exchange the mounted position of heat management device and battery package in the car to make the car manufacturer can arrange the position of heat management device and battery package according to the demand, improved the flexibility of car equipment, and reduced the equipment degree of difficulty of car.

Further, the battery thermal management system further comprises: the water pump is arranged on the cooling circulation pipeline and used for driving cooling liquid in the cooling circulation pipeline to flow; the expansion water tank is communicated with the cooling circulation pipeline and can store cooling liquid; and the temperature sensor is arranged on the cooling circulation pipeline and can detect the temperature of the cooling liquid. The temperature sensor can monitor the temperature of the cooling liquid at all times, and control the on and off of the water pump according to the temperature of the cooling liquid. The coolant liquid among the cooling circulation pipeline is by the influence of expend with heat and contract with cold, the corresponding meeting of volume of coolant liquid changes, when the volume of coolant liquid diminishes, coolant liquid in the expansion tank can in time supply to the cooling circulation pipeline in, avoid the cooling circulation pipeline to sink, when the volume grow of coolant liquid, coolant liquid among the cooling circulation pipeline can in time be arranged to the expansion tank in, avoid the cooling circulation pipeline to break to improve the life of cooling circulation pipeline.

Further, the battery thermal management system comprises a plurality of battery packs, and the cooling circulation pipeline is communicated with the heat exchange plate in each battery pack. So set up, the evaporimeter can all cool down the processing to the electric core of a plurality of battery packages to guarantee the evaporimeter and to the cooling effect of battery package, avoid the battery package high temperature.

Furthermore, the shell is provided with an accommodating cavity and a side plate, a vent is arranged on the side plate and communicated with the accommodating cavity, the size of the shell in the height direction is set between 240mm and 260mm, and the condenser is arranged close to the side plate; the thermal management device further comprises: the fan, the fan setting is outside at the casing, and the fan is fixed on the curb plate, and the axis of rotation perpendicular to curb plate setting of fan, the projection of fan on the curb plate is located the within range that the border of curb plate encloses, and the fan can carry out the cooling treatment to the condenser. According to the arrangement, the height of the heat management device can be reduced, the occupied volume of the heat management device is reduced, the heat management device does not need to be installed in a targeted manner in the automobile, the space where the heat management device gives way can be used for installing a newly added battery pack, and the development requirement of new energy in the prior art is met. Meanwhile, the size of the heat management device is matched with that of a battery pack in the prior art, so that the interchangeability between the battery pack and the heat management device can be improved, an automobile manufacturer can arrange the heat management device at the position of any battery pack according to customer requirements, and the heat management device is convenient to install.

Further, the thermal management device further comprises: the fixed subassembly sets up and holding the intracavity, and fixed subassembly is fixed on the casing, and fixed subassembly can support the compressor fixedly, and the compressor mounting height on fixed subassembly is between 230mm to 250 mm. The installation height of the compressor on the fixed assembly is set between 230mm and 250mm, so that the vibration generated by the compressor can be effectively reduced, and the interference between the compressor and the shell can be avoided.

Further, the fixing assembly includes: the supporting piece is arranged at the bottom of the accommodating cavity, and the extending direction of the supporting piece is the same as the length direction of the shell; the shock absorption structures are detachably arranged on the support piece, and the shock absorption structures are arranged on the support piece at intervals along the extension direction of the support piece; the support is detachably arranged on the shock absorption structures and used for supporting the compressor. Support piece detachably sets up in the bottom of casing, and shock-absorbing structure detachably sets up on support piece, and support detachably sets up on shock-absorbing structure, so sets up, is convenient for install and dismantle support piece, shock-absorbing structure and support, can guarantee the shock attenuation effect of fixed subassembly to the compressor simultaneously to guarantee that the compressor can normally work.

Further, support piece includes two bases, and two bases set up along the width direction interval of casing, and the extending direction of base is the same with the length direction of casing, and every shock-absorbing structure all includes two shock attenuation pieces, and two shock attenuation pieces set up on two bases one-to-one, and support detachably sets up on two shock attenuation pieces of shock-absorbing structure. Two shock attenuation pieces in two bases and every shock-absorbing structure set up respectively in the left and right sides of compressor, can guarantee the stability when base and shock-absorbing structure support the compressor like this, can guarantee the shock attenuation effect of shock-absorbing structure to the compressor simultaneously, avoid the compressor to rock at the during operation production.

Further, be provided with a plurality of connecting holes on the base, the damping piece includes: the connecting piece penetrates through the connecting hole, the connecting piece is provided with a fixing section and a connecting section which are arranged oppositely, the diameter of the fixing section is larger than that of the connecting section, the fixing section is arranged at one end, far away from the compressor, of the base, and the connecting section is arranged at one end, close to the compressor, of the base; the upper shock pad and the lower shock pad are sleeved on the connecting section, and the support is arranged between the upper shock pad and the lower shock pad; the fastener sets up on the linkage segment, and the fastener can be fixed shock pad and lower shock pad on the linkage segment. By adopting the structure, the connecting piece can be detachably connected with the upper shock pad and the lower shock pad, so that the upper shock pad and the lower shock pad can be conveniently detached and replaced, and the supporting effect of the upper shock pad and the lower shock pad on the support can be ensured.

Further, the support has supporting part and two connecting portion, the both ends that are located the supporting part respectively of two connecting portion, and the supporting part is used for supporting the compressor, and the height that highly is less than connecting portion of supporting part, two connecting portion are connected with two shock attenuation pieces among the shock-absorbing structure respectively, and connecting portion set up at last shock pad under with between the shock pad, and the linkage segment passes shock pad, connecting portion and last shock pad down in proper order and is connected fixedly with the fastener. Two connecting portion are connected with two shock-absorbing members among the shock-absorbing structure respectively, and connecting portion set up at last shock pad and down between the shock pad, and the linkage segment passes shock pad, connecting portion and last shock pad down in proper order and is connected fixedly with the fastener. So set up, can guarantee the stability of support when fixed, avoid the support to drop by the damper.

According to the utility model discloses a vehicle is provided to another aspect, and the vehicle includes the above-mentioned battery thermal management system that provides, and the vehicle has the power supply storehouse, and battery thermal management system's battery package and thermal management device are placed side by side in the power supply storehouse. So set up, flexibility when can improving battery package and the installation of heat management device, the car producer of being convenient for installs, can also improve battery total capacity simultaneously, satisfies the development demand of new forms of energy among the prior art.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic of a prior art thermal management device;

fig. 2 is a schematic structural diagram of a battery thermal management system provided by the present invention;

fig. 3 is a schematic structural diagram of a thermal management device provided according to an embodiment of the present invention;

FIG. 4 shows a partial enlarged view at A in FIG. 2;

fig. 5 illustrates an exploded view of a thermal management device provided in accordance with an embodiment of the present invention;

fig. 6 shows an exploded view of a fixing assembly provided in accordance with an embodiment of the present invention in cooperation with a compressor;

fig. 7 is an exploded view of the upper and lower shock absorbing pads provided in accordance with an embodiment of the present invention in cooperation with a bracket;

fig. 8 shows an exploded view of a connector provided in accordance with an embodiment of the present invention in cooperation with a support member;

fig. 9 shows a schematic structural diagram of a base provided in accordance with an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a thermal management device; 11. a housing; 111. an accommodating chamber; 112. a side plate; 1121. a vent; 12. a compressor; 13. a condenser; 14. an evaporator; 15. a fan; 16. a fixing assembly; 161. a support member; 1611. a base; 16111. connecting holes; 162. a shock absorbing member; 1621. a connecting member; 16211. a fixed section; 16212. a connection section; 1622. an upper shock pad; 1623. a lower cushion pad; 16231. a limiting groove; 16232. a buffer section; 16233. a shock absorbing section; 163. a support; 1631. a support portion; 1632. a connecting portion; 16321. a through hole; 17. a throttling device;

20. a circulation line;

30. a water pump;

1. a box body; 2. a base body; 3. a damping unit; 4. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 2, an embodiment of the present invention provides a battery thermal management system, which includes a battery pack, a thermal management device 10, and a cooling circulation pipeline 20. The battery pack has heat transfer board and electric core, and the heat transfer board contacts with electric core, and the heat transfer board can be to electric core heat transfer cooling. The thermal management device 10 comprises a shell 11, a compressor 12, a condenser 13, a throttling device 17 and an evaporator 14, wherein the compressor 12, the condenser 13, the throttling device 17 and the evaporator 14 are all located in the shell 11, and the compressor 12, the condenser 13, the throttling device 17 and the evaporator 14 are sequentially connected through pipelines. The cooling circulation pipeline 20 is communicated with the heat exchange plate, and the evaporator 14 can perform heat exchange and temperature reduction on the cooling liquid of the cooling circulation pipeline 20. Wherein the height of the battery pack is within a range of 0 to 20mm from the height of the thermal management device 10.

With the technical solution of the present application, the housing 11, the compressor 12, the condenser 13, the throttling device 17 and the evaporator 14 are all disposed in the housing 11, that is, the height of the thermal management device 10 is the same as the height of the housing 11, the battery pack and the thermal management device 10 are communicated through the cooling circulation pipe 20, and the height difference between the battery pack and the thermal management device 10 is set in the range of 0 to 20mm. According to the arrangement, a specific installation space does not need to be set for the battery pack and the heat management device 10, interchangeability of positions of the battery pack and the heat pipe device during installation can be improved, and due to the fact that the height difference between the battery pack and the heat pipe device is small, an automobile manufacturer can interchange the installation positions of the heat management device 10 and the battery pack in an automobile when installing the heat management device 10 and the battery pack, so that the automobile manufacturer can arrange the positions of the heat management device 10 and the battery pack according to requirements, flexibility of automobile assembly is improved, and difficulty in assembly of the automobile is reduced.

The evaporator 14 includes a first channel and a second channel, both ends of the first channel are respectively communicated with the condenser 13 and the compressor 12, and the second pipeline is communicated with the cooling circulation pipeline 20. Gaseous state refrigerant is pressed into condenser 13 through the mode that compressor 12 did work to gaseous state refrigerant heat release condensation becomes liquid, then in liquid refrigerant gets into first passageway, the coolant liquid in the cooling cycle pipeline 20 got into the second passageway, and the liquid refrigerant in the first passageway can carry out the heat transfer with the coolant liquid in the second passageway, and liquid refrigerant can cool down the coolant liquid, thereby reaches the purpose to the electric core cooling in the battery package.

Further, the battery thermal management system further comprises a water pump 30, an expansion water tank and a temperature sensor. The water pump 30 is disposed on the cooling circulation line 20, and the water pump 30 is used for driving the flow of the cooling liquid in the cooling circulation line 20. The expansion tank is communicated with the cooling circulation line 20, and the expansion tank can store the cooling liquid. A temperature sensor is provided on the cooling circulation line 20, and the temperature sensor can detect the temperature of the coolant. The temperature sensor can constantly monitor the temperature of the coolant, and control the water pump 30 to be turned on and off according to the temperature of the coolant. The influence of expend with heat and contract with cold is received to the coolant liquid in the cooling circulation pipeline 20, the corresponding meeting of the volume of coolant liquid changes, when the volume of coolant liquid diminishes, coolant liquid in the expansion tank can in time supply to the cooling circulation pipeline 20 in, avoid the cooling circulation pipeline 20 to cave in, when the volume grow of coolant liquid, coolant liquid in the cooling circulation pipeline 20 can in time be arranged to the expansion tank in, avoid the cooling circulation pipeline 20 to break, thereby improve the life of cooling circulation pipeline 20.

The battery thermal management system comprises a plurality of battery packs, and a cooling circulation pipeline 20 is communicated with a heat exchange plate in each battery pack. So set up, evaporimeter 14 can all cool down the processing to the electric core of a plurality of battery packages to guarantee the cooling effect of evaporimeter 14 to the battery package, avoid the battery package high temperature. Optionally, the plurality of battery packs may be arranged in series or in parallel, or some battery packs may be arranged in series or some battery packs may be arranged in parallel, so that an automobile manufacturer can select the connection relationship of the battery packs according to the requirement.

As shown in fig. 3 to 5, the housing 11 has an accommodating cavity 111 and a side plate 112, a vent 1121 is provided on the side plate 112, the vent 1121 communicates with the accommodating cavity 111, the size of the housing 11 in the height direction is set to be 240mm to 260mm, and the condenser 13 is disposed close to the side plate 112. The heat management device 10 further comprises a fan 15, the fan 15 is arranged outside the shell 11, the fan 15 is fixed on the side plate 112, the rotation axis of the fan 15 is perpendicular to the side plate 112, the projection of the fan 15 on the side plate 112 is located in the range surrounded by the edge of the side plate 112, and the fan 15 can conduct heat dissipation processing on the condenser 13. The condenser 13 is arranged in the accommodating cavity 111, and the projection of the fan 15 on the side plate 112 is located in the range enclosed by the edges of the side plate 112, so that the heights of the condenser 13 and the fan 15 are not greater than the height of the casing 11, that is, the size of the heat management device 10 in the vertical direction is set between 240mm and 260mm, as shown in fig. 3, the Z direction is the vertical direction of the casing 11 and the heat management device 10, and is also the height direction of the casing 11 and the heat management device 10. In the prior art, the height of the thermal management device 10 is approximately 287mm, and the height of the battery pack is set between 240mm and 260mm, so that a manufacturer needs to reserve a higher position in the automobile to install the thermal management device 10 in order to meet the installation requirement of the thermal management device 10 on the height, which results in a larger space occupied by the thermal management device 10. So set up, can reduce the height of thermal management device 10, reduce the shared volume of thermal management device 10, need not in the car pertinence to set up a higher space and install thermal management device 10 to the space that thermal management device 10 gave way can be used for installing newly-increased battery package, can also improve battery total capacity simultaneously, satisfies the development demand of new forms of energy among the prior art. Meanwhile, the size of the thermal management device 10 is matched with the size of a battery pack in the prior art, so that the interchangeability between the battery pack and the thermal management device 10 can be improved, an automobile manufacturer can arrange the thermal management device 10 at any position of the battery pack according to the requirements of customers, and the thermal management device 10 is convenient to install.

When the size of the housing 11 in the vertical direction is smaller than 240mm, the processing difficulty of the thermal management device 10 is increased, and the processing cost of the thermal management device 10 is increased; when the size of the housing 11 in the vertical direction is greater than 260mm, the thermal management device 10 occupies a large space, which is inconvenient for installation of other components, and the thermal management device 10 is higher than the battery pack, which results in poor interchangeability of the thermal management device 10 with the battery pack; therefore, the size of the housing 11 in the vertical direction is set to be 240mm to 260mm, which not only reduces the processing difficulty and the processing cost of the thermal management device 10, but also ensures the interchangeability of the battery pack and the thermal management device 10, thereby facilitating the installation of the thermal management device 10. Wherein, the size setting of the housing 11 in the vertical direction may be set to 240mm, 245mm, 250mm, 255mm, or 260mm. In the present embodiment, the size of the housing 11 in the vertical direction is set to 255mm. Moreover, with the above structure, the fan 15 can dissipate heat of the condenser 13, and the heat management device 10 can work normally.

The thermal management device 10 includes a plurality of fans 15, and the plurality of fans 15 are arranged side by side along the length direction of the side plate 112. So set up, when the diameter of fan 15 reduces, can guarantee fan 15's the condensation amount of wind through the quantity that increases fan 15 to make fan 15 satisfy the refrigerating output demand when satisfying the installation space demand. In the prior art, the thermal management device 10 includes two fans 15, as shown in fig. 4, and in the present application, the thermal management device 10 includes 3 fans 15.

Specifically, in the present application, the condenser 13 is fixed to the side plate 112, and the dimension of the condenser 13 in the vertical direction is set between 230mm and 250 mm. In the present embodiment, the gaseous refrigerant is pressed into the condenser 13 by the compressor 12, the gaseous refrigerant releases heat and condenses into a liquid state, and the fan 15 is used to dissipate heat from the condenser 13. When the size of the condenser 13 in the vertical direction is smaller than 230mm, the volume of the condenser 13 is smaller, so that the heat exchange effect of the condenser 13 is poor, and the heat exchange requirement cannot be met; when the size of the condenser 13 in the vertical direction is greater than 250mm, the condenser 13 has a large volume, and is easily interfered with the housing 11 when being installed in the accommodating cavity 111, so that the normal assembly of the condenser 13 is influenced; therefore, the dimension of the condenser 13 in the vertical direction is set between 230mm and 250mm, which not only ensures the heat exchange effect of the condenser 13, but also avoids the condenser 13 from interfering with the shell 11. Wherein, the size of the condenser 13 in the vertical direction may be set to 230mm, 235mm, 240mm, 245mm or 250mm, and in the present embodiment, the size of the condenser 13 in the vertical direction is set to 245mm.

Further, the thermal management device 10 further includes a fixing component 16, the fixing component 16 is disposed in the accommodating cavity 111, the fixing component 16 is fixed on the housing 11, and the fixing component 16 can support and fix the compressor 12, so that the stability of the compressor 12 in the working process can be ensured, and the compressor 12 is prevented from shaking during working. Wherein, the installation height of the compressor 12 on the fixed component 16 is between 230mm and 250mm, that is, after the compressor 12 is installed on the fixed component 16, the distance from the bottom of the fixed component 16 to the top of the compressor 12 is between 230mm and 250 mm. The fixing component 16 can fix the compressor 12 and also can damp the compressor 12, and since the compressor 12 has a certain height, when the installation height of the compressor 12 on the fixing component 16 is less than 230mm, the height of the fixing component 16 is also smaller, so that the fixing component 16 cannot effectively reduce the vibration generated by the compressor 12 during operation; when the installation height of the compressor 12 installed on the fixing assembly 16 is greater than 250mm, the compressor 12 is easily interfered with the housing 11 after being installed in the accommodating cavity 111, and therefore, the installation height of the compressor 12 installed on the fixing assembly 16 is set to be 230mm to 250mm, so that vibration generated by the compressor 12 can be effectively reduced, and interference between the compressor 12 and the housing 11 can be avoided. Wherein, the installation height of the compressor 12 on the fixing component 16 can be set to 230mm, 235mm, 240mm, 245mm or 250mm, in this embodiment, the installation height of the compressor 12 on the fixing component 16 is set to 245mm.

As shown in fig. 6 to 9, the fixing assembly 16 includes a support 161, a plurality of shock-absorbing structures, and a plurality of brackets 163. The support 161 is disposed at the bottom of the accommodating chamber 111, and the support 161 extends in the same direction as the longitudinal direction of the housing 11. A plurality of shock-absorbing structures are detachably provided on the support 161, and a plurality of shock-absorbing structures are provided on the support 161 at intervals along the extending direction of the support 161. The plurality of brackets 163 are disposed in one-to-one correspondence with the plurality of shock-absorbing structures, the brackets 163 being detachably disposed on the shock-absorbing structures, the brackets 163 being used to support the compressor 12. Support piece 161 detachably sets up in the bottom of casing 11, and shock-absorbing structure detachably sets up on support piece 161, and support 163 detachably sets up on shock-absorbing structure, so sets up, is convenient for install and dismantle support piece 161, shock-absorbing structure and support 163, can guarantee the shock attenuation effect of fixed subassembly 16 to compressor 12 simultaneously to guarantee that compressor 12 can normally work.

The supporting member 161 includes two bases 1611, the two bases 1611 are arranged at intervals in the width direction of the casing 11, the extending direction of the bases 1611 is the same as the length direction of the casing 11, each shock absorbing structure includes two shock absorbing members 162, the two shock absorbing members 162 are arranged on the two bases 1611 in a one-to-one correspondence manner, and the bracket 163 is detachably arranged on the two shock absorbing members 162 of the shock absorbing structure. Two bumper parts 162 in two bases 1611 and every shock-absorbing structure set up respectively in the left and right sides of compressor 12, can guarantee base 1611 and shock-absorbing structure like this and support the stability when compressor 12, can guarantee shock-absorbing structure simultaneously and to compressor 12's shock attenuation effect, avoid compressor 12 to rock at the during operation production.

Further, a plurality of connection holes 16111 are formed on the base 1611, and the shock absorbing member 162 includes a connection member 1621, an upper shock absorbing pad 1622, a lower shock absorbing pad 1623, and a fastening member. The connecting member 1621 is disposed through the connecting hole 16111, the connecting member 1621 has a fixing section 16211 and a connecting section 16212, the fixing section 16211 and the connecting section 16212 are disposed opposite to each other, a diameter of the fixing section 16211 is greater than a diameter of the connecting section 16212, the fixing section 16211 is disposed at one end of the base 1611 far away from the compressor 12, and the connecting section 16212 is disposed at one end of the base 1611 near the compressor 12. An upper cushion 1622 and a lower cushion 1623 are sleeved on the connecting section 16212, and the bracket 163 is disposed between the upper cushion 1622 and the lower cushion 1623. Fasteners are provided on the connecting section 16212 that are capable of securing the upper and

lower shock pads

1622, 1623 to the connecting section 16212. Connecting piece 1621 wears to establish in connecting hole 16111, go up the cushion 1622 and establish on connecting section 16212 with lower cushion 1623 cover, support 163 sets up at last cushion 1622 and down between cushion 1623, the fastener is fixed on connecting section 16212 with last cushion 1622 and lower cushion 1623, adopt above-mentioned structure, connecting piece 1621 can dismantle with last cushion 1622 and lower cushion 1623 and be connected, be convenient for like this dismantle and the replacement to last cushion 1622 and lower cushion 1623, can guarantee simultaneously that cushion 1622 and lower cushion 1623 are to the supporting effect of support 163.

Wherein, in this application, connecting piece 1621 is the bolt, and fixed section 16211 is the bolt head for, and connecting section 16212 is the screw thread section of bolt, and fixed section 16211's height is 5mm. As shown in fig. 1, in the prior art, the thermal management device 10 includes a case 1 corresponding to a housing 11 in the present application, a base 2 corresponding to a base 1611 in the present application, a damping unit 3 corresponding to an upper damping pad 1622 and a lower damping pad 1623 in the present application, and a connecting shaft 4 corresponding to a connecting member 1621 in the present application, wherein the connecting shaft 4 and the damping unit 3 are of an integrally formed structure, the connecting shaft 4 has a first section and a second section corresponding to a fixing section 16211 in the present application, a compressor 12 is disposed on the first section, the second section is inserted into the base 2, and the second section has a height of 20mm. Since the base 1611 only needs to cover the fixing portion 16211, the base 1611 of the present application is much lower than the base body 2 of the related art, so that the installation height of the compressor 12 can be reduced.

Specifically, the bracket 163 has a support part 1631 and two connecting parts 1632, the two connecting parts 1632 are respectively located at both ends of the support part 1631, the support part 1631 is used for supporting the compressor 12, and the height of the support part 1631 is smaller than that of the connecting part 1632. With the above structure, the installation height of the compressor 12 can be further reduced, so that the size of the thermal management device 10 in the vertical direction can be reduced, and the height difference between the support portion 1631 and the connection portion 1632 can be adjusted as required. Two connecting portion 1632 are connected with two shock-absorbing members 162 in the shock-absorbing structure respectively, and connecting portion 1632 sets up between last cushion 1622 and lower cushion 1623, and connecting section 16212 passes cushion 1623, connecting portion 1632 and last cushion 1622 down in proper order and is connected fixedly with the fastener. With this arrangement, the stability of the bracket 163 in the fixing process can be ensured, and the bracket 163 is prevented from falling off from the damper 162.

Wherein, circumference annular is provided with spacing recess 16231 on the lateral wall of lower shock pad 1623, is provided with through-hole 16321 on connecting portion 1632, and connecting portion 1632 overlaps through-hole 16321 and establishes in spacing recess 16231. So set up, can further guarantee the stability of connecting portion 1632 when fixing shock pad 1623 down, avoid connecting portion 1632 to drop by shock pad 1623 down. Also, in this application, the end of the upper cushion 1622 near the lower cushion 1623 is provided with an opening, which covers the upper end of the lower cushion 1623, and the bottom end of the upper cushion 1622 abuts against the upper surface of the connecting portion 1632.

Specifically, lower cushion 1623 includes a bumper segment 16232 and a bumper segment 16233, bumper segment 16232 being disposed above bumper segment 16233, bumper segment 16232 having a diameter smaller than the diameter of bumper segment 16233. When the compressor 12 vibrates, the buffer segment 16232 is easily deformed, so that the vibration of the compressor 12 can be effectively alleviated. Adopt above-mentioned structure, can guarantee down shock pad 1623's shock attenuation effect, can guarantee down shock pad 1623's structural strength simultaneously, improve shock pad 1623's life down.

The utility model discloses another embodiment provides a vehicle, and the vehicle includes the battery thermal management system that the aforesaid provided, and the vehicle has the power supply storehouse, and battery thermal management system's battery package and thermal management device 10 are placed side by side in the power supply storehouse. So set up, flexibility when can improve battery package and thermal management device 10 installation, the car producer of being convenient for installs, can also improve battery total capacity simultaneously, satisfies the development demand of new forms of energy among the prior art.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

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. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. 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, it need not be discussed further in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery thermal management system, comprising:

the battery pack is provided with a heat exchange plate and an electric core, the heat exchange plate is in contact with the electric core, and the heat exchange plate can exchange heat and cool the electric core;

the heat management device (10) comprises a shell (11), a compressor (12), a condenser (13), a throttling device (17) and an evaporator (14), wherein the compressor (12), the condenser (13), the throttling device (17) and the evaporator (14) are all located in the shell (11), and the compressor (12), the condenser (13), the throttling device (17) and the evaporator (14) are sequentially connected through pipelines;

the cooling circulation pipeline (20), the cooling circulation pipeline (20) is communicated with the heat exchange plate, and the evaporator (14) can carry out heat exchange and temperature reduction on the cooling liquid of the cooling circulation pipeline (20);

wherein the height of the battery pack is within a range of 0 to 20mm from the height of the thermal management device (10).

2. The battery thermal management system of claim 1, further comprising:

the water pump (30) is arranged on the cooling circulation pipeline (20), and the water pump (30) is used for driving the cooling liquid in the cooling circulation pipeline (20) to flow;

an expansion tank communicating with the cooling circulation line (20), the expansion tank being capable of storing the cooling liquid;

a temperature sensor provided on the cooling circulation line (20), the temperature sensor being capable of detecting the temperature of the cooling liquid.

3. The battery thermal management system of claim 1, comprising a plurality of battery packs, wherein the cooling circulation line (20) is in communication with a heat exchange plate in each of the battery packs.

4. The battery thermal management system according to claim 1, wherein the housing (11) has a receiving cavity (111) and a side plate (112), a ventilation opening (1121) is arranged on the side plate (112), the ventilation opening (1121) is communicated with the receiving cavity (111), the size of the housing (11) in the height direction is set to be 240mm to 260mm, and the condenser (13) is arranged close to the side plate (112); the thermal management device (10) further comprises:

fan (15), fan (15) set up casing (11) outside, fan (15) are fixed on curb plate (112), the axis of rotation of fan (15) is perpendicular to curb plate (112) set up, fan (15) are in projection on curb plate (112) is located the within range that the border of curb plate (112) encloses, fan (15) can be right condenser (13) carry out the heat dissipation.

5. The battery thermal management system of claim 4, wherein the thermal management device (10) further comprises:

the fixing assembly (16) is arranged in the accommodating cavity (111), the fixing assembly (16) is fixed on the shell (11), the fixing assembly (16) can support and fix the compressor (12), and the installation height of the compressor (12) on the fixing assembly (16) is 230 mm-250 mm.

6. The battery thermal management system of claim 5, wherein the securing assembly (16) comprises:

a support member (161) disposed at the bottom of the accommodating chamber (111), the support member (161) extending in the same direction as the longitudinal direction of the housing (11);

a plurality of shock-absorbing structures detachably provided on the support (161), the plurality of shock-absorbing structures being provided on the support (161) at intervals along an extending direction of the support (161);

the vibration absorbing structure comprises a plurality of brackets (163) and a plurality of vibration absorbing structures, wherein the brackets (163) correspond to the vibration absorbing structures one by one, the brackets (163) are detachably arranged on the vibration absorbing structures, and the brackets (163) are used for supporting the compressor (12).

7. The battery thermal management system according to claim 6, wherein the supporting member (161) comprises two bases (1611), the two bases (1611) are spaced apart from each other along a width direction of the housing (11), the bases (1611) extend in a same direction as a length direction of the housing (11), each of the shock absorbing structures comprises two shock absorbing members (162), the two shock absorbing members (162) are disposed on the two bases (1611) in a one-to-one correspondence, and the bracket (163) is detachably disposed on the two shock absorbing members (162) of the shock absorbing structure.

8. The battery thermal management system of claim 7, wherein the base (1611) is provided with a plurality of connection holes (16111), and the shock absorbing member (162) comprises:

the connecting piece (1621) is arranged in the connecting hole (16111) in a penetrating mode, the connecting piece (1621) is provided with a fixing section (16211) and a connecting section (16212) which are arranged oppositely, the diameter of the fixing section (16211) is larger than that of the connecting section (16212), the fixing section (16211) is arranged at one end, far away from the compressor (12), of the base (1611), and the connecting section (16212) is arranged at one end, close to the compressor (12), of the base (1611);

an upper cushion (1622) and a lower cushion (1623), the upper cushion (1622) and the lower cushion (1623) sleeved over the connection section (16212), the bracket (163) disposed between the upper cushion (1622) and the lower cushion (1623);

a fastener disposed on the connecting section (16212) capable of fixing the upper and lower shock pads (1622, 1623) on the connecting section (16212).

9. The battery thermal management system of claim 8, wherein the bracket (163) has a support portion (1631) and two connecting portions (1632), the two connecting portions (1632) are respectively located at two ends of the support portion (1631), the support portion (1631) is used for supporting the compressor (12), the height of the support portion (1631) is less than the height of the connecting portion (1632), the two connecting portions (1632) are respectively connected with the two shock absorbing members (162) in the shock absorbing structure, the connecting portion (1632) is arranged between an upper shock absorbing pad (1622) and a lower shock absorbing pad (1623), and the connecting section (16212) sequentially passes through the lower shock absorbing pad (1623), the connecting portion (1632) and the upper shock absorbing pad (1622) and is fixedly connected with the fastener.

10. A vehicle comprising a battery thermal management system according to any of claims 1 to 9, the vehicle having a power supply compartment, the battery pack and the thermal management device (10) of the battery thermal management system being placed side by side in the power supply compartment.