Battery box for auxiliary temperature control of new energy vehicle

By using components such as base, heating membrane, liquid-cooled plate and bidirectional fan in the battery box of new energy vehicles, the temperature auxiliary control of the battery module is achieved, which solves the problem of poor temperature control effect of the existing battery box and improves the working status and performance of the battery.

CN119905713APending Publication Date: 2025-04-29YANGZHOU POLYTECHNIC COLLEGE
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Patent Information

Application Number
CN202510102832.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-04-29

AI Technical Summary

Technical Problem

The battery boxes of existing new energy vehicles have poor temperature control effects, making it difficult to maintain the battery working state and performance within the optimal temperature range.

Method used

A battery box with auxiliary temperature control for new energy vehicles is designed, using components such as base, heating membrane, liquid-cooled plate and bidirectional fan. The battery components are heated through the heating membrane, and the liquid-cooled plate cools them, and the overall heat increase or heat dissipation is achieved through the bidirectional fan.

Benefits of technology

Effectively assist in controlling the battery box temperature, ensuring that the battery assembly works within the optimal temperature range, and improving the working state and performance of the battery.

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Abstract

The invention relates to the technical field of new energy vehicle auxiliary temperature control battery boxes, in particular to a new energy vehicle auxiliary temperature control battery box which comprises a base, a cavity is formed in the bottom of the base, electric push rods are arranged in the middles of the two sides of the cavity, the tops of the electric push rods are connected with a lifting plate, and a liquid cooling plate is arranged on the lifting plate; the battery box for auxiliary temperature control of the new energy vehicle has the beneficial effects that the cover plate at the top of the base covers and seals the battery assembly mounted in the battery mounting groove formed in the surface of the base, the battery assembly is protected, and when the battery assembly needs to be heated, the battery assembly is prevented from being damaged; heating films in heating film mounting grooves in the tops of the bottom supporting edges of the battery mounting grooves of the base are started, the heating films are tightly attached to the bottoms of the battery assemblies in the battery mounting grooves, the heating films start to heat the battery assemblies through electrification, and meanwhile, a two-way fan in a first through hole, formed between the two battery mounting grooves, of the base starts to rotate clockwise.
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Description

Technical Field

[0001] The present invention relates to the technical field of battery boxes for auxiliary temperature control of new energy vehicles, and in particular to a battery box for auxiliary temperature control of new energy vehicles. Background Art

[0002] The battery box of new energy vehicles is an important part of the vehicle's power system, mainly used to accommodate, protect and support the battery pack.

[0003] In the existing technology, lithium-ion batteries have gradually become the main energy carrier in the field of new energy due to their superior charging and discharging performance. However, their temperature sensitivity has severely limited their use. It is necessary to create a suitable working environment to ensure that the battery works in the optimal operating temperature range and exerts the best working state and performance of the battery. The existing battery box has poor temperature control effect and needs further optimization.

[0004] Therefore, we provide a battery box with auxiliary temperature control for new energy vehicles to assist in controlling the temperature of the battery box. Summary of the invention

[0005] The object of the present invention is to provide a battery box with auxiliary temperature control for new energy vehicles to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a base, a cavity is formed at the bottom of the base, electric push rods are arranged in the middle of both sides of the cavity, the top of the electric push rods is connected to the lifting plate, and a liquid cooling plate is arranged on the lifting plate; and a plurality of groups of battery mounting grooves are formed on the top surface of the base, a first through hole is formed between two groups of battery mounting grooves, and a bidirectional fan is arranged in the first through hole; a heating film, a second through hole is formed on the heating film at the same time, the second through hole corresponds to the first through hole one by one, and the diameter of the first through hole is larger than the diameter of the second through hole.

[0007] Preferably, a plurality of battery mounting grooves are provided on the top of the base, in which battery assemblies can be placed, and the base is provided with supporting edges on both sides of the battery mounting grooves, which can support the battery assemblies placed in the heating film.

[0008] Preferably, a cover plate can be clamped around the top of the base, and the cover plate can seal and protect the battery assembly installed in the heating film on the surface of the base.

[0009] Preferably, the base is provided with an electric heating film installation groove at the top of the supporting edge, and a heating film is installed in the installation groove. The heating film is installed at the bottom of the battery assembly, above the supporting edge, and is tightly attached to the bottom of the battery assembly. The heating film can be energized to heat the battery assembly.

[0010] Preferably, the base is provided with a close-fitting groove at the bottom of the battery mounting groove, and the close-fitting groove is parallel to the supporting edge. The electric push rod can drive the lifting plate to rise, so that the liquid cooling plate arranged on the lifting plate is inserted into the close-fitting groove and is in close contact with the bottom surface of the heating film at the bottom of the battery mounting groove, so that the cooling water in the liquid cooling plate cools the heating film.

[0011] Preferably, both ends of the liquid cooling plate are connected to a circulating hose water inlet and a circulating hose water outlet at the same time, and the circulating hose water inlet and the circulating hose water outlet extend from the cavity opened in the base and are connected to the water tank of the vehicle to form a water circulation.

[0012] Preferably, a connecting hole is opened in the middle of the heating film, and a connecting column is arranged in the connecting hole, and the connecting column connects the upper and lower plate surfaces of the heating film installation groove to prevent the support plate under the heating film from being bent.

[0013] Preferably, the second through hole opened on the heating film is perpendicular to the first through hole, and the diameter of the second through hole is smaller than the diameter of the first through hole. When the two-way fan in the first through hole rotates clockwise, the two-way fan can blow the heat emitted from the first through hole to the closed cover formed by the cover plate through the first through hole. When the two-way fan rotates counterclockwise, the two-way fan can blow the heat emitted from the battery assembly directly into the through groove at the bottom of the base through the first through hole and the second through hole.

[0014] Preferably, a plurality of heat dissipation vents are provided at the bottom of the base, a closing plate is clamped in the heat dissipation vent, the top of the closing plate is connected to a connecting column, the top of the connecting column is connected to a lifting plate, and the lifting plate can drive the closing plate to rise through the connecting column, so that the closing plate opens the heat dissipation vent.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention proposes a battery box for auxiliary temperature control of new energy vehicles. The cover plate on the top of the base covers and seals the battery assembly installed in the battery mounting groove opened on the surface of the base, and protects the battery assembly. When the battery assembly needs to be heated, the heating film in the heating film mounting groove at the top of the supporting edge at the bottom of the battery mounting groove of the base is started, and the heating film is tightly attached to the bottom of the battery assembly in the battery mounting groove. The heating film starts to heat the battery assembly by energizing, and at the same time, the two-way fan in the first through hole opened between the two groups of battery mounting grooves of the base starts to rotate clockwise, the first through hole is parallel to the second through hole opened on the heating film, and the diameter of the second through hole is smaller than the diameter of the first through hole. When the two-way fan rotates forward, the heat emitted from the second through hole on the heating film can be blown into the closed cover surrounded by the cover, so as to increase the temperature inside the cover as a whole. When the battery assembly needs to be radiated, the heat When it is hot, the vehicle water tank injects cooling water into the liquid cooling plate arranged on the straight lifting plate through the water inlet of the circulation hose, and the water flows back through the water outlet of the circulation hose to form a water circulation. At this time, the electric push rods connected on both sides of the bottom of the lifting plate drive the lifting plate to rise, and the liquid cooling plate on the lifting plate is inserted into the close-fitting groove opened at the bottom of the battery mounting groove and is close to the bottom surface of the heating film. The liquid cooling plate begins to cool the heating film through the cooling water, and cools the battery assembly in the battery mounting groove through heat conduction. At the same time, the two-way fan in the first through hole rotates counterclockwise, and blows the heat in the closed cover surrounded by the cover plate into the cavity opened at the bottom of the straight base through the first through hole and the second through hole. When the lifting plate rises, the closing plate is driven to rise through the connecting column, so that the closing plate opens the seal on the heat dissipation vent starting from the bottom of the base, so that the hot air blown into the cavity at the bottom of the base by the two-way fan can be discharged from the heat dissipation vent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the present invention;

[0019] Figure 3 It is a schematic diagram of the internal top view structure of the present invention;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the base of the present invention;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the installation groove of the present invention;

[0022] Figure 6 This is a schematic diagram of the structure of the upper half of the base of the present invention when viewed from above;

[0023] Figure 7 It is a schematic diagram of the top view of the lower half of the base of the present invention.

[0024] In the figure: base 1, cover plate 2, circulating hose water inlet 3, circulating hose water outlet 4, battery mounting slot 5, supporting edge 6, heating film 7, battery assembly 8, first through hole 9, two-way fan 10, electric push rod 11, lifting plate 12, liquid cooling plate 13, connecting column 14, closing plate 15, heat dissipation vent 16, close groove 17, connecting hole 18, connecting column 19, second through hole 20. DETAILED DESCRIPTION

[0025] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figures 1 to 7The present invention provides a technical solution: a base 1, a cavity is provided at the bottom of the base 1, electric push rods 11 are provided at the middle of both sides of the cavity, the top of the electric push rods 11 is connected to a lifting plate 12, and a liquid cooling plate 13 is provided on the lifting plate 12; and a plurality of battery mounting grooves 5 are provided on the top surface of the base 1, a first through hole 9 is provided between two groups of battery mounting grooves 5, and a bidirectional fan 10 is provided in the first through hole 9; a heating film 7, a second through hole 20 is provided on the heating film 7 at the same time, the second through hole 20 corresponds to the first through hole 9 one by one, and the diameter of the first through hole 9 is greater than the diameter of the second through hole 20; a plurality of battery mounting grooves 5 are provided on the top of the base 1, and a battery assembly 8 can be placed in the battery mounting groove 5, and the base 1 Support edges 6 are provided on both sides of the battery installation groove 5, and the support edges 6 can be placed on the battery assembly 8 in the heating film 7 for support; the top of the base 1 can hold the cover plate 2 around, and the cover plate 2 can seal and protect the battery assembly 8 installed in the heating film 7 on the surface of the base 1; the base 1 is provided with an electric heating film installation groove on the top of the support edge 6, and the heating film 7 is installed in the installation groove. The heating film 7 is installed at the bottom of the battery assembly 8, above the support edge 6, and is tightly attached to the bottom of the battery assembly 8. The heating film 7 can be powered on to heat the battery assembly 8; the base 1 is provided with a close-fitting groove 17 at the bottom of the battery installation groove 5, and the close-fitting groove 17 is parallel to the support edge 6. The electric push rod 11 can drive the lifting plate 12 to rise, so that the lifting plate 12 The liquid cooling plate 13 arranged on the top is inserted into the close-fitting groove 17, and is in close contact with the bottom surface of the heating film 7 at the bottom of the battery mounting groove 5, so that the cooling water in the liquid cooling plate 13 cools the heating film 7; both ends of the liquid cooling plate 13 are connected to the circulating hose water inlet 3 and the circulating hose water outlet 4 at the same time, and the circulating hose water inlet 3 and the circulating hose water outlet 4 extend from the cavity opened in the base 1 and are connected to the water tank of the vehicle to form a water circulation; a connecting hole 18 is opened in the middle of the heating film 7, and a connecting column 19 is arranged in the connecting hole 18, and the connecting column 19 is connected to the upper and lower plate surfaces of the heating film 7 mounting groove to prevent the support plate under the heating film 7 from being bent; the second through hole 20 opened on the heating film 7 is perpendicular to the first through hole 9, and the diameter of the second through hole 20 is smaller than that of the first through hole 9. The diameter of a through hole 9, when the two-way fan 10 in the first through hole 9 rotates clockwise, the two-way fan 10 can blow the heat emitted by the first through hole 9 to the closed cover surrounded by the cover plate 2 through the first through hole 9, and when the two-way fan 10 rotates counterclockwise, the two-way fan 10 can blow the heat emitted by the battery assembly 8 directly into the through groove at the bottom of the base 1 through the first through hole 9 and the second through hole 20; a plurality of heat dissipation vents 16 are provided at the bottom of the base 1, and a closing plate 15 is clamped in the heat dissipation vents 16, and the top of the closing plate 15 is connected to the connecting column 14, and the top of the connecting column 14 is connected to the lifting plate 12, and the lifting plate 12 can drive the closing plate 15 to rise through the connecting column 14, so that the closing plate 15 opens the closure of the heat dissipation vents 16.

[0027] In actual use, the cover plate 2 on the top of the base 1 covers and seals the battery assembly 8 installed in the battery mounting groove 5 opened on the surface of the base 1, and protects the battery assembly 8. When the battery assembly 8 needs to be heated and heated, the heating film 7 in the heating film mounting groove on the top of the supporting edge 6 at the bottom of the battery mounting groove 5 of the base 1 is started. The heating film 7 is close to the bottom of the battery assembly 8 in the battery mounting groove 5. The heating film 7 starts to heat the battery assembly 8 by powering on. At the same time, the two-way fan 10 in the first through hole 9 opened between the two groups of battery mounting grooves 5 of the base 1 starts to rotate clockwise. The first through hole 9 is parallel to the second through hole 20 opened on the heating film 7, and the diameter of the second through hole 20 is smaller than the diameter of the first through hole 9. When the two-way fan 10 rotates forward, the heat emitted from the second through hole 20 on the heating film 7 can be blown into the closed cover surrounded by the cover plate 2, thereby raising the temperature inside the cover as a whole. When the battery assembly 8 needs to be cooled, water is introduced into the vehicle water tank through the circulation hose. The outlet 3 injects cooling water into the liquid cooling plate 13 arranged on the straight lifting plate 12, and refluxes through the circulating hose outlet 4 to form a water circulation. At this time, the electric push rods 11 connected on both sides of the bottom of the lifting plate 12 drive the lifting plate 12 to rise, and the liquid cooling plate 13 on the lifting plate 12 is inserted into the close-fitting groove 17 opened at the bottom of the battery mounting groove 5 and is close to the bottom surface of the heating film 7. The liquid cooling plate 13 starts to cool the heating film 7 through the cooling water, and cools the battery assembly 8 in the battery mounting groove 5 through heat conduction. At the same time, the two-way fan 10 in the first through hole 9 rotates counterclockwise, and the heat in the closed cover surrounded by the cover plate 2 is blown into the cavity opened at the bottom of the straight base 1 through the first through hole 9 and the second through hole 20. When the lifting plate 12 rises, it drives the closing plate 15 to rise through the connecting column 14, so that the closing plate 15 opens the closure of the heat dissipation vent 16 starting from the bottom of the base 1, so that the hot air blown into the bottom cavity of the base 1 by the two-way fan 10 can be discharged from the heat dissipation vent 16.

[0028] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A battery box for auxiliary temperature control of new energy vehicles, characterized in that: include: A base (1), wherein a cavity is formed at the bottom of the base (1), electric push rods (11) are arranged in the middle of both sides of the cavity, the top of the electric push rods (11) is connected to a lifting plate (12), and a liquid cooling plate (13) is arranged on the lifting plate (12); and The top surface of the base (1) is provided with a plurality of battery installation slots (5), the base (1) is provided with a first through hole (9) between two battery installation slots (5), and a bidirectional fan (10) is arranged in the first through hole (9); A heating film (7) is provided with a second through hole (20) on the heating film (7), the second through hole (20) corresponds to the first through hole (9) one by one, and the diameter of the first through hole (9) is greater than the diameter of the second through hole (20).

2. The battery box for auxiliary temperature control of a new energy vehicle according to claim 1, characterized in that: The top of the base (1) is provided with a plurality of battery installation slots (5), in which battery assemblies (8) can be placed, and the base (1) is provided with support edges (6) on both sides of the battery installation slots (5), and the support edges (6) can be placed to support the battery assemblies (8) in the heating film (7).

3. A battery box for auxiliary temperature control of a new energy vehicle according to claim 2, characterized in that: The top four sides of the base (1) can hold the cover plate (2), and the cover plate (2) can seal and protect the battery assembly (8) installed in the heating film (7) on the surface of the base (1).

4. The battery box for auxiliary temperature control of a new energy vehicle according to claim 3 is characterized in that: The base (1) is provided with an electric heating film installation groove at the top of the supporting edge (6), and a heating film (7) is installed in the installation groove. The heating film (7) is installed at the bottom of the battery assembly (8), above the supporting edge (6), and is tightly attached to the bottom of the battery assembly (8). The heating film (7) can be energized to heat the battery assembly (8).

5. The battery box for auxiliary temperature control of new energy vehicles according to claim 4 is characterized in that: The base (1) is provided with a close-fitting groove (17) at the bottom of the battery installation groove (5), and the close-fitting groove (17) is parallel to the supporting edge (6). The electric push rod (11) can drive the lifting plate (12) to rise, so that the liquid cooling plate (13) arranged on the lifting plate (12) is inserted into the close-fitting groove (17) and is in close contact with the bottom surface of the heating film (7) at the bottom of the battery installation groove (5), so that the cooling water in the liquid cooling plate (13) cools the heating film (7).

6. A battery box for auxiliary temperature control of a new energy vehicle according to claim 5, characterized in that: The two ends of the liquid cooling plate (13) are simultaneously connected to a circulating hose water inlet (3) and a circulating hose water outlet (4); the circulating hose water inlet (3) and the circulating hose water outlet (4) extend from a cavity formed in the base (1) and are connected to a water tank of the vehicle, thereby forming a water circulation.

7. A battery box for auxiliary temperature control of a new energy vehicle according to claim 6, characterized in that: A connecting hole (18) is provided in the middle of the heating film (7), and a connecting column (19) is provided in the connecting hole (18). The connecting column (19) connects the upper and lower plate surfaces of the heating film (7) installation groove to prevent the support plate below the heating film (7) from being bent.

8. The battery box for auxiliary temperature control of new energy vehicles according to claim 7, characterized in that: The second through hole (20) provided on the heating film (7) is perpendicular to the first through hole (9), and the diameter of the second through hole (20) is smaller than the diameter of the first through hole (9). When the bidirectional fan (10) in the first through hole (9) rotates clockwise, the bidirectional fan (10) can blow the heat emitted from the first through hole (9) to the closed cover surrounded by the cover plate (2) through the first through hole (9); when the bidirectional fan (10) rotates counterclockwise, the bidirectional fan (10) can blow the heat emitted from the battery assembly (8) directly into the through groove at the bottom of the base (1) through the first through hole (9) and the second through hole (20).

9. A battery box for auxiliary temperature control of a new energy vehicle according to claim 8, characterized in that: The bottom of the base (1) is provided with a plurality of heat dissipation vents (16), a closing plate (15) is clamped in the heat dissipation vents (16), the top of the closing plate (15) is connected to a connecting column (14), the top of the connecting column (14) is connected to a lifting plate (12), and the lifting plate (12) can drive the closing plate (15) to rise through the connecting column (14), so that the closing plate (15) opens the sealing of the heat dissipation vents (16).