High-heat-dissipation new energy automobile battery shell

Abstract

The invention discloses a high-heat-dissipation new energy automobile battery shell which comprises a top cover and a battery holder, the top cover is fixedly connected with the upper portion of the battery holder through bolts, a plurality of battery packs are placed in the middle of the battery holder, a liquid cooling plate is arranged at the top of each battery pack, and the adjacent liquid cooling plates are communicated through water cooling pipelines on the same side. A temperature control assembly is arranged at the upper parts of the liquid cooling plates in the battery holder, the temperature control assembly slides in the battery holder along the arrangement direction of the battery pack, and the bottom of the temperature control assembly can be communicated with each group of liquid cooling plates. The battery shell has the advantages that high heat dissipation of the battery shell can be realized, and meanwhile, one battery pack can be independently and quickly cooled, so that efficient corresponding heat dissipation is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicle batteries, and in particular to a high-heat dissipation new energy vehicle battery shell. Background Art

[0002] The battery casing of new energy vehicles is a key component for protecting battery safety, and its characteristics directly affect the performance and lifespan of the battery. Currently, the most common new energy vehicle battery casings on the market are mainly made of metal materials such as aluminum alloy and stainless steel, or thermoplastic reinforced plastics.

[0003] In general, the design of battery enclosures for new energy vehicles requires comprehensive consideration of factors such as cost, weight, corrosion resistance, mechanical properties, high-temperature resistance, and aging resistance. While a variety of materials are currently used to manufacture battery enclosures, further research and development of new materials is needed to meet the higher requirements placed on battery enclosures by new energy vehicles.

[0004] In order to solve the problem of heat dissipation of the battery case, a certain battery case on the market adopts a water-cooling design and has a certain market share.

[0005] Existing battery packs are prone to overheating or overcooling of a single pack in high or low temperature environments, affecting battery performance and life. Summary of the Invention

[0006] The purpose of the present invention is to provide a high-heat dissipation new energy vehicle battery housing, which can achieve high heat dissipation of the battery housing and can quickly dissipate heat for one group of battery packs separately, thereby achieving efficient corresponding heat dissipation.

[0007] The above technical objectives of the present invention are achieved through the following technical solutions:

[0008] A high-heat dissipation new energy vehicle battery shell, characterized in that it includes a top cover and a battery seat, the top cover is fixedly connected to the upper part of the battery seat by bolts, multiple battery packs are placed in the middle of the battery seat, a liquid cooling plate is provided on the top of each battery pack, and adjacent liquid cooling plates are connected by water cooling pipes on the same side. A temperature control component is provided on the upper part of the liquid cooling plate in the battery seat, and the temperature control component slides in the battery seat along the arrangement direction of the battery pack, and the bottom of the temperature control component can be connected to each group of liquid cooling plates.

[0009] Preferably, the liquid cooling plate is provided with a temperature control inlet and a temperature control outlet at the upper part of the side close to the water cooling pipe, and a liquid cooling flow channel is provided inside the liquid cooling plate. The liquid cooling flow channel is S-shaped and winding inside the liquid cooling plate. The liquid cooling plate is provided with a liquid inlet and a liquid outlet at the inlet and outlet of the liquid cooling flow channel corresponding to the liquid inlet and the liquid outlet are respectively connected with the water cooling pipe, and the inlet and outlet of the liquid cooling flow channel are also connected with the temperature control component through the temperature control inlet and the temperature control outlet.

[0010] Preferably, a blocking plate is provided at the temperature control inlet and the temperature control outlet in the liquid cooling plate, abutting springs are provided between the bottom of the blocking plate and the inside of the liquid cooling plate, and the top of the blocking plate is sealed with the temperature control inlet and the temperature control outlet through the abutting springs.

[0011] Preferably, the temperature control component includes a temperature control plate, an adjusting screw and a sliding track. The sliding track is arranged in the battery holder near the side of the water cooling pipe. One end of the temperature control plate moves along the sliding track, and the other end of the temperature control plate is engaged with the adjusting screw through a threaded transmission. The adjusting screw is arranged parallel to the sliding track, and both ends are rotatably arranged on the other side of the battery holder. The other end of the adjusting screw is connected to an adjusting motor for transmission outside the battery holder.

[0012] Preferably, a temperature control channel is provided in the temperature control plate, the temperature control channel is S-shaped, the inlet and outlet of the temperature control channel are provided on the same side, multiple groups of guide islands are provided at both ends of the temperature control channel, and a semiconductor refrigeration plate is attached to the temperature control plate.

[0013] Preferably, a temperature sensor is provided in each battery pack, and a lifting device is provided between the bottom of each battery pack and the battery seat.

[0014] Preferably, two groups of through openings are provided at the bottom of the temperature control plate relative to the temperature control inlet and the temperature control outlet, and a protruding sleeve is provided downwardly at the through opening. The internal channel of the protruding sleeve is L-shaped, and the top of the internal channel of the protruding sleeve is connected with the through opening. An opening is provided on one side of the bottom of the internal channel of the protruding sleeve, and the bottom of the protruding sleeve is abutted against the bottom of the blocking plate. An active sealing component is provided at the connection between the protruding sleeve and the through opening.

[0015] Preferably, the active sealing assembly includes a sealing plate, an adjustment ring and an active motor. The sealing plate is a triangular structure. There are multiple groups of sealing plates, all of which are arranged in a ring array on the inner wall of the protruding sleeve. The adjustment ring is correspondingly arranged below the sealing plate. An arc groove is provided on the adjustment ring corresponding to each group of sealing plates. Each group of sealing plates has a slider slidingly provided in the arc groove. A worm gear is fixedly sleeved on the outside of the adjustment ring. The worm gear is connected to the worm gear, and one end of the worm gear is connected to the active motor.

[0016] Preferably, solenoid valves are provided on the water-cooling pipes between adjacent battery packs, and a solenoid valve is also provided on the water-cooling pipe between the liquid inlet and the liquid outlet of the same battery pack.

[0017] In summary, the present invention has the following beneficial effects: while achieving high heat dissipation of the battery housing through the movable temperature control component, the present invention can also quickly dissipate heat for one of the battery packs separately, thereby achieving efficient corresponding heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the external overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the internal liquid cooling plate structure of the present invention;

[0020] Figure 3 It is a schematic structural diagram of the internal temperature control component of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure in which the temperature control plate and the liquid cooling plate of the present invention are not connected;

[0022] Figure 5 This is a schematic diagram of the connection structure between the temperature control plate and the liquid cooling plate of the present invention;

[0023] Figure 6 is a schematic structural diagram of the active sealing assembly of the present invention;

[0024] Figure 7 Schematic diagram of the internal structure of the temperature control plate of the present invention;

[0025] Figure 8 It is a schematic diagram of the internal structure of the liquid cooling plate of the present invention. DETAILED DESCRIPTION

[0026] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. This embodiment does not constitute a limitation to the present invention.

[0027] like Figures 1 to 8 The shown embodiment shows a high-heat dissipation new energy vehicle battery housing, including a top cover 1 and a battery holder 2. The top cover 1 is fixedly connected to the upper part of the battery holder 2 by bolts. Multiple battery packs are placed in the middle of the battery holder 2. A liquid cooling plate 3 is provided on the top of each battery pack. Adjacent liquid cooling plates 3 are connected through water cooling pipes 4 on the same side. A temperature control component is provided on the upper part of the liquid cooling plate 3 in the battery holder 2. The temperature control component slides in the battery holder 2 along the arrangement direction of the battery pack, and the bottom of the temperature control component can be connected to each group of liquid cooling plates 3.

[0028] The liquid cooling plate 3 is provided with a temperature control inlet 5 and a temperature control outlet 6 on the upper part of the side close to the water cooling pipe 4. A liquid cooling channel 7 is provided inside the liquid cooling plate 3. The liquid cooling channel 7 is S-shaped and windingly arranged in the liquid cooling plate 3. The liquid cooling plate 3 is provided with a liquid inlet and a liquid outlet at the inlet and outlet of the liquid cooling channel 7 corresponding to the liquid cooling channel 7. The liquid inlet and the liquid outlet are respectively connected to the water cooling pipe 4. The inlet and outlet of the liquid cooling channel 7 are also connected to the temperature control component through the temperature control inlet 5 and the temperature control outlet 6.

[0029] A blocking plate 8 is provided at the temperature control inlet 5 and the temperature control outlet 6 in the liquid cooling plate 3. A supporting spring 9 is provided between the bottom of the blocking plate 8 and the inside of the liquid cooling plate 3. The top of the blocking plate 8 is sealed with the temperature control inlet 5 and the temperature control outlet 6 through the supporting spring 9.

[0030] The temperature control component includes a temperature control plate 10, an adjusting screw 11 and a sliding track 12. The sliding track 12 is arranged in the battery holder 2 near the side of the water cooling pipe 4. One end of the temperature control plate 10 moves along the sliding track 12, and the other end of the temperature control plate 10 is engaged with the adjusting screw 11 through a threaded transmission. The adjusting screw 11 is arranged parallel to the sliding track 12, and both ends are rotatably arranged on the other side of the battery holder 2. The other end of the adjusting screw 11 is connected to an adjusting motor 13 on the outside of the battery holder 2.

[0031] A temperature control channel 14 is provided in the temperature control plate 10. The temperature control channel 14 is S-shaped. The inlet and outlet of the temperature control channel 14 are provided on the same side. Multiple groups of guide islands 15 are provided at both ends of the temperature control channel 14. A semiconductor refrigeration plate is attached to the temperature control plate 10.

[0032] A temperature sensor is provided in each battery pack, and a lifting device is provided between the bottom of each battery pack and the battery holder 2 .

[0033] Two groups of through openings 16 are provided at the bottom of the temperature control plate 10 relative to the temperature control inlet 5 and the temperature control outlet 6. A protruding sleeve 17 is provided downwardly of the through opening 16. The internal channel of the protruding sleeve 17 is L-shaped. The top of the internal channel of the protruding sleeve 17 is connected with the through opening 16. An opening is provided on one side of the bottom of the internal channel of the protruding sleeve 17. The bottom of the protruding sleeve 17 is against the bottom of the blocking plate 8. An active sealing component is provided at the connection between the protruding sleeve 17 and the through opening 16.

[0034] The active sealing assembly includes a sealing plate 18, an adjusting ring 19 and an active motor 20. The sealing plate 18 is a triangular structure. There are multiple groups of sealing plates 18, all of which are arranged in a ring array on the inner wall of the protruding sleeve 17. The adjusting ring 19 is correspondingly arranged below the sealing plate 18. An arc groove 21 is provided on the adjusting ring 19 corresponding to each group of sealing plates 18. Each group of sealing plates 18 is correspondingly slidably provided with a slider 22 in the arc groove 21. A worm gear 23 is fixedly sleeved on the outside of the adjusting ring 19. The worm gear 23 is transmission-connected to the worm 24, and one end of the worm 24 is connected to the active motor 20.

[0035] The water cooling pipes 4 between adjacent battery packs are all provided with electromagnetic valves 25 , and the water cooling pipe 4 between the liquid inlet and the liquid outlet of the same battery pack is also provided with an electromagnetic valve 25 .

[0036] The present invention realizes high heat dissipation of the battery housing through the movable temperature control component, and can also quickly dissipate heat for one of the battery packs separately, thereby achieving efficient corresponding heat dissipation.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions should also be deemed to fall within the protection scope of the technical solution of the present invention.

Claims

1. A high heat dissipation new energy vehicle battery housing, characterized in that: It includes a top cover and a battery seat. The top cover is fixedly connected to the upper part of the battery seat by bolts. Multiple battery packs are placed in the middle of the battery seat. A liquid cooling plate is provided on the top of each battery pack. Adjacent liquid cooling plates are connected through water cooling pipes on the same side. A temperature control component is provided on the upper part of the liquid cooling plate in the battery seat. The temperature control component slides in the battery seat along the arrangement direction of the battery pack, and the bottom of the temperature control component can be connected to each group of liquid cooling plates.

2. A high heat dissipation new energy vehicle battery housing according to claim 1, characterized in that: The liquid cooling plate is respectively provided with a temperature control inlet and a temperature control outlet on the upper part of the side close to the water cooling pipe. A liquid cooling flow channel is provided inside the liquid cooling plate. The liquid cooling flow channel is S-shaped and windingly arranged in the liquid cooling plate. The liquid cooling plate is provided with a liquid inlet and a liquid outlet at the inlet and outlet of the liquid cooling flow channel corresponding to the inlet and outlet of the liquid cooling flow channel. The liquid inlet and the liquid outlet are respectively connected with the water cooling pipe. The inlet and outlet of the liquid cooling flow channel are also connected with the temperature control component through the temperature control inlet and the temperature control outlet.

3. A high heat dissipation new energy vehicle battery housing according to claim 2, characterized in that: A blocking plate is provided at the temperature control inlet and the temperature control outlet in the liquid cooling plate. A supporting spring is provided between the bottom of the blocking plate and the inside of the liquid cooling plate. The top of the blocking plate is sealed with the temperature control inlet and the temperature control outlet through the supporting spring.

4. A high heat dissipation new energy vehicle battery housing according to claim 3, characterized in that: The temperature control component includes a temperature control plate, an adjusting screw and a sliding track. The sliding track is arranged in the battery holder near the side of the water cooling pipe. One end of the temperature control plate moves along the sliding track, and the other end of the temperature control plate is engaged with the adjusting screw through a threaded transmission. The adjusting screw is arranged parallel to the sliding track, and both ends are rotatably arranged on the other side of the battery holder. The other end of the adjusting screw is connected to an adjusting motor outside the battery holder.

5. A high heat dissipation new energy vehicle battery housing according to claim 4, characterized in that: A temperature control channel is provided in the temperature control plate. The temperature control channel is S-shaped. The inlet and outlet of the temperature control channel are provided on the same side. Multiple groups of guide islands are provided at both ends of the temperature control channel. A semiconductor refrigeration plate is attached to the temperature control plate.

6. The high heat dissipation new energy vehicle battery housing according to claim 1, characterized in that: A temperature sensor is provided in each battery pack, and a lifting device is provided between the bottom of each battery pack and the battery seat.

7. The high heat dissipation new energy vehicle battery housing according to claim 4, characterized in that: Two groups of through openings are provided at the bottom of the temperature control plate relative to the temperature control inlet and the temperature control outlet. A protruding sleeve is provided downwardly at the through opening. The internal channel of the protruding sleeve is L-shaped. The top of the internal channel of the protruding sleeve is connected with the through opening. An opening is provided on one side of the bottom of the internal channel of the protruding sleeve. The bottom of the protruding sleeve is against the bottom of the blocking plate. An active sealing component is provided at the connection between the protruding sleeve and the through opening.

8. The high heat dissipation new energy vehicle battery housing according to claim 7, characterized in that: The active sealing assembly includes a sealing plate, an adjustment ring and an active motor. The sealing plate is a triangular structure. There are multiple groups of sealing plates, all of which are arranged in a ring array on the inner wall of the protruding sleeve. The adjustment ring is correspondingly arranged below the sealing plate. An arc groove is provided on the adjustment ring corresponding to each group of sealing plates. Each group of sealing plates is correspondingly provided with a slider for sliding in the arc groove. A worm gear is fixedly sleeved on the outside of the adjustment ring. The worm gear is connected to the worm gear, and one end of the worm gear is connected to the active motor.

9. The high heat dissipation new energy vehicle battery housing according to claim 1, characterized in that: The water cooling pipes between adjacent battery packs are each provided with a solenoid valve, and the water cooling pipe between the liquid inlet and the liquid outlet of the same battery pack is also provided with a solenoid valve.

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