Low-temperature environment new energy automobile retired battery recycling energy storage structure

By using semiconductor heating modules and temperature sensing components in the reuse energy storage structure of new energy vehicles, rapid heating and temperature monitoring of retired batteries is achieved, and the problems of declining battery performance and shortening of life in low-temperature environments are solved, and the utilization efficiency and life of the battery are improved.

CN119994273APending Publication Date: 2025-05-13ANHUI JIAQI ENERGY TECH CO LTD
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Patent Information

Application Number
CN202510166030.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The existing technology cannot effectively improve the performance of new energy vehicle retired batteries in low temperature environments, and the lack of effective thermal management leads to degradation of battery performance, shortening of life and low utilization efficiency.

Method used

A low-temperature environment new energy vehicle retired battery reuse energy storage structure is designed. Multiple battery pack carriers are installed inside the energy storage cabinet, and a semiconductor heating module is installed on each battery pack carrier. Through the combination of the semiconductor heating module and the temperature sensing element, the retired battery can be quickly heated and temperature monitoring to ensure that the battery operates within the optimal temperature range.

Benefits of technology

It effectively improves the capacity and charging and discharging efficiency of retired batteries in low-temperature environments, extends the service life of the battery, improves the utilization rate of resources, and reduces the cost of energy storage.

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Abstract

The invention belongs to the technical field of energy automobile retired battery reutilization, and relates to a low-temperature environment new energy automobile retired battery reutilization energy storage structure. A plurality of battery pack bearing pieces (2) in an energy storage cabinet body (1) are arranged at intervals from top to bottom, a semiconductor heating module (3) is arranged on each battery pack bearing piece (2), a battery pack (4) is arranged on the upper portion of each semiconductor heating module (3), each semiconductor heating module (3) is divided into a plurality of heating areas (5), and a semiconductor heating wire (6) is arranged in each heating area (5). And each heating area (5) is provided with a plurality of temperature sensing elements (7). The low-temperature environment new energy automobile retired battery recycling energy storage structure is simple in structure, resource recycling of retired batteries can be conveniently and reliably achieved, stability, reliability and practicability under the low-temperature environment condition are met, the battery performance of the retired batteries during recycling energy storage is improved, and the service life of the batteries is prolonged.
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Description

Technical Field

[0001] The present invention belongs to the technical field of recycling retired batteries of energy vehicles, and more specifically, relates to an energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment. Background Art

[0002] With the rapid development of the new energy vehicle industry, the number of retired batteries is increasing. How to effectively utilize these retired batteries has become the focus of the industry. In low temperature environments, the performance of new energy vehicle batteries will be significantly affected, including battery capacity attenuation, reduced charging and discharging efficiency, and shortened battery life. Therefore, it is of great practical significance to develop an energy storage technology that can efficiently utilize the entire package of retired batteries of new energy vehicles in low temperature environments. Defects of the prior art: 1. Poor low temperature performance: The prior art cannot effectively improve the performance of retired batteries when dealing with low temperature environments. The internal resistance of the battery increases at low temperatures, resulting in serious energy loss during charging and discharging, which cannot meet actual use needs. 2. Lack of effective thermal management: The thermal management of the entire package of retired batteries is not in place, the battery cannot be preheated in time in a low temperature environment, and the appropriate temperature range cannot be maintained during the operation of the battery, affecting the stability and life of the battery. 3. Low utilization efficiency: The utilization method of the entire package of retired batteries is relatively single, and its energy storage potential in a low temperature environment is not fully explored, resulting in a waste of resources.

[0003] In the prior art, there is a technology named "Control Method for Reusing the Entire Retired Battery Pack" and with a publication (announcement) number of "CN117577977B". This technology provides a control method for reusing the entire retired battery pack, including the following steps: obtaining parameter information of the retired battery pack, the parameter information including the capacity of the retired battery pack, the internal resistance of the battery pack, and the voltage of the battery pack; determining the consistency index of the retired battery pack based on the parameter information of the retired battery pack; determining the application requirements of the retired battery pack when it is reused, including voltage requirements and current requirements; dividing the retired battery packs into two groups according to the consistency index greater than the set value and less than the set value, connecting the retired battery packs with a consistency index less than the set value and meeting the application voltage requirements in series, and connecting the retired battery packs with a consistency index greater than the set value and meeting both the current requirements and the voltage requirements in parallel; determining a reasonable and accurate index, and then integrating and reusing these battery packs, thereby improving the reuse rate of the retired battery packs while ensuring the stability of the system in the new application scenario. However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in view of the shortcomings of the existing technology, a low-temperature environment new energy vehicle retired battery recycling energy storage structure with a simple structure is provided, which can conveniently and reliably realize the resource recycling of retired batteries, meet the requirements of stability, reliability and practicality under low-temperature environmental conditions, improve the battery performance when the retired batteries are recycled for energy storage, and extend the battery life.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

[0006] The present invention is an energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment. A plurality of battery pack carriers are arranged inside the energy storage cabinet. The plurality of battery pack carriers are arranged in gaps from top to bottom. A semiconductor heating module is respectively arranged on each battery pack carrier. A battery pack is respectively arranged on the upper part of each semiconductor heating module. The semiconductor heating module is divided into a plurality of heating areas. A semiconductor heating wire is respectively arranged in each heating area. A plurality of temperature sensing elements are respectively arranged in each heating area. The temperature range of the low-temperature environment is between 0°C and -40°C.

[0007] Each semiconductor heating module is connected to a corresponding control box, and the temperature sensing element 7 of each heating area is connected to a control box of a corresponding semiconductor heating module.

[0008] A first battery pack carrier, a second battery pack carrier, a third battery pack carrier, and a fourth battery pack carrier are sequentially arranged inside the energy storage cabinet from top to bottom. The first battery pack carrier is arranged on the first battery pack carrier, the second battery pack carrier is arranged on the second battery pack carrier, the third battery pack carrier is arranged on the third battery pack carrier, and the fourth battery pack is arranged on the fourth battery pack carrier.

[0009] The heating areas of the semiconductor heating module include a first heating area, a second heating area, a third heating area, and a fourth heating area. The first semiconductor heating wire is arranged on the first heating area, the second semiconductor heating wire is arranged on the second heating area, the third semiconductor heating wire is arranged on the third heating area, and the fourth semiconductor heating wire is arranged on the fourth heating area.

[0010] Two semiconductor heating lines are arranged in each heating area, namely heating unit R and heating unit L. Heating unit R and heating unit L are arranged symmetrically. Heating unit R includes a bottom position and a plurality of protruding top positions, and heating unit R has a mountain-shaped structure. Heating unit L includes a bottom position and a plurality of protruding top positions, and heating unit L has an inverted mountain-shaped structure.

[0011] A temperature sensing element is arranged inside each top position of the heating unit R, a distributed temperature sensing element is arranged inside each top position of the heating unit L, and a temperature sensing element is arranged between the bottom position of the heating unit R and the bottom position of the heating unit L.

[0012] The energy storage cabinet comprises a cabinet bottom, a cabinet top, a cabinet side, and a cabinet door. Each corner of the cabinet bottom is connected to a corresponding corner of the cabinet top through a corresponding cabinet vertical beam.

[0013] The battery pack is connected to the battery pack carrier by screws, the battery pack carrier is connected to the connecting beam by screws, and the battery pack carrier is connected to the cabinet vertical beam by connecting the cross beam.

[0014] The cabinet vertical beam is provided with an upper clamping part and a lower clamping part, the upper clamping part includes an upper connecting part and an upper bending part, the upper connecting part and the upper bending part are C-shaped structure or V-shaped structure, the lower clamping part includes a lower connecting part and a lower bending part, the lower connecting part and the lower bending part are C-shaped structure or V-shaped structure.

[0015] The upper connecting part of the upper clamping part and the vertical beam of the cabinet are in an acute angle structure, and the lower connecting part of the lower clamping part and the vertical beam of the cabinet are in an acute angle structure.

[0016] The technical solution of the present invention is adopted, and the working principle and beneficial effects are as follows:

[0017] The low-temperature environment new energy vehicle retired battery recycling energy storage structure described in the present invention, when the structure is set, an energy storage cabinet is set, and multiple battery pack carriers are set inside the energy storage cabinet. The multiple battery pack carriers are arranged from top to bottom according to the gap. Multiple battery packs can be set inside the energy storage cabinet, which effectively increases the energy storage capacity, and the multiple battery packs will not interfere with each other. The core of the improvement of the present invention is to use retired batteries in low-temperature environments. Therefore, the overall structure needs to have a heating function. To this end, a semiconductor heating module is respectively arranged on each battery pack carrier, and a battery pack is arranged on the upper part of each semiconductor heating module. The semiconductor heating module is divided into multiple heating areas, and each heating area is respectively arranged with a semiconductor heating wire. By setting a semiconductor heating wire in each heating area, the temperature of each heating area is heated separately, ensuring that the retired battery can be quickly heated, and each heating area is respectively provided with multiple temperature sensing elements; the temperature sensing element acts as a sensor to reliably sense the actual temperature of the corresponding area, and feeds back to the control box. The control box acts as a control unit, and controls the heating of the semiconductor heating wire according to the actual temperature, ensuring that each heating area can quickly heat up to a temperature suitable for the operation of the retired battery. During the working process of the retired battery, the temperature sensing element monitors and feeds back the actual temperature of the corresponding heating area. When the actual temperature is higher than the set high temperature value, the control box can control to stop heating. When the actual temperature is lower than the set low temperature value, the control box can control to start heating. The high temperature value and the low temperature value are a range value, which is the optimal temperature range for the retired battery to work. It can reliably ensure that the retired battery is in the optimal temperature range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following is a brief description of the contents and symbols in the drawings of this specification:

[0019] Figure 1 This is a schematic diagram of the external structure of the energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment according to the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of the energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment according to the present invention;

[0021] Figure 3 This is a schematic diagram of the arrangement structure of the semiconductor heating module of the energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment according to the present invention;

[0022] Figure 4 This is a schematic diagram of the arrangement structure of the semiconductor heating module of the energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment according to the present invention;

[0023] Figure 5 This is a schematic diagram of the arrangement structure of the semiconductor heating module of the energy storage structure for recycling retired batteries of new energy vehicles in a low-temperature environment according to the present invention;

[0024] Figure 6 It is a partial structural schematic diagram of the connection crossbeams connecting the cabinet vertical beams of the low-temperature environment new energy vehicle retired battery recycling energy storage structure described in the present invention;

[0025] The marks in the accompanying drawings are respectively: 1. energy storage cabinet; 2. battery pack carrier; 21. first battery pack carrier; 22. second battery pack carrier; 23. third battery pack carrier; 24. fourth battery pack carrier; 3. semiconductor heating module; 4. battery pack; 41. first battery pack; 42. second battery pack; 43. third battery pack; 44. fourth battery pack; 5. heating area; 51. first heating area; 52. second heating area; 53. third heating area; 54. fourth heating area; 6. semiconductor heating line; 61. First semiconductor heating wire; 62. Second semiconductor heating wire; 63. Third semiconductor heating wire; 64. Fourth semiconductor heating wire; 65. Heating unit R; 66. Heating unit L; 67. Bottom position; 68. Top position; 7. Temperature sensing element (temperature sensor); 9. Control box; 100. Cabinet bottom; 110. Cabinet top; 120. Cabinet side; 130. Cabinet door; 16. Cabinet vertical beam; 161. Upper connecting part; 162. Upper bending part; 171. Lower connecting part; 172. Lower bending part. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the specific implementation of the present invention, such as the shape, structure, mutual position and connection relationship between the various components involved, the function and working principle of each part, etc., through the description of the embodiments with reference to the accompanying drawings:

[0027] As attached Figure 1 -Attached Figure 6As shown, the present invention is a low-temperature environment new energy vehicle retired battery recycling energy storage structure, the energy storage cabinet 1 is provided with a plurality of battery pack carriers 2, the plurality of battery pack carriers 2 are arranged from top to bottom according to the gap, each battery pack carrier 2 is provided with a semiconductor heating module 3, each semiconductor heating module 3 is provided with a battery pack 4 on the upper part, the semiconductor heating module 3 is divided into a plurality of heating areas 5, each heating area 5 is provided with a semiconductor heating wire 6, each heating area 5 is provided with a plurality of temperature sensing elements 7; the temperature range of the low temperature environment is between 0°C and -40°C. The above structure proposes an improved technical solution for the deficiencies in the prior art. When the structure is set, an energy storage cabinet 1 is provided as a cabin for the arrangement of a plurality of retired batteries, and the protection of retired batteries is reliably realized. A plurality of battery pack carriers 2 are provided inside the energy storage cabinet 1, the plurality of battery pack carriers 2 are arranged from top to bottom according to the gap, and a plurality of battery packs 4 can be provided inside the energy storage cabinet, which effectively increases the energy storage capacity, and the plurality of battery packs 4 will not interfere with each other. The core of the improvement of the present invention is to use retired batteries in a low temperature environment, so the overall structure needs to have a heating function. To this end, a semiconductor heating module 3 is respectively arranged on each battery pack carrier 2, and a battery pack 4 is respectively arranged on each semiconductor heating module 3. The semiconductor heating module 3 is divided into a plurality of heating areas 5, and a semiconductor heating wire 6 is respectively arranged in each heating area. By respectively arranging a semiconductor heating wire 6 in each heating area, the temperature of each heating area is heated separately, ensuring that the retired battery can be heated quickly, and a plurality of temperature sensing elements 7 are respectively arranged in each heating area 5; the temperature sensing element 7 is used as a sensor to reliably sense the actual temperature of the corresponding area, and feedback is given to the control box. The control box is used as a control unit to control the heating of the semiconductor heating wire according to the actual temperature, ensuring that each heating area 5 can be quickly heated to a temperature suitable for the retired battery to work. During the operation of the retired battery, the temperature sensing element 7 monitors and feedbacks the actual temperature of the corresponding heating area. When the actual temperature is higher than the set high temperature value, the control box 9 can control to stop heating. When the actual temperature is lower than the set low temperature value, the control box 9 can control to start heating. The high temperature value and the low temperature value are a range value, and the range value is the optimal temperature range for the retired battery to work. It can reliably ensure that the retired battery is in the optimal temperature range. The structure of the present invention, 1. It has low-temperature environmental temperature detection: (1) Temperature sensing unit (sensor layout): The temperature sensor can monitor the ambient temperature of the battery in real time and accurately. (2) Data transmission and processing: The sensor transmits the collected temperature data to the control box by wired or wireless means, and the control box analyzes and processes these data to determine whether the current temperature is within the range suitable for the battery to work. 2. It has a low-temperature preheating start function: (1) Heating element design: A specially designed heating element is installed at the bottom of the battery pack, through a semiconductor heating device. These heating elements can generate enough heat in a short time to preheat the battery.(2) Intelligent control start: When the control box determines that the retired battery needs to be preheated according to the temperature detection data, it automatically starts the heating element. The heating process is carried out according to the preset temperature curve to ensure that the battery can quickly and evenly heat up to a suitable starting temperature. 3. Battery thermal management technology: (1) Temperature balance control: Temperature balance control is achieved by monitoring the temperature of the heating area where the battery on each battery pack carrier 2 is located. When it is found that the temperature of some areas is too high or too low, the working state of the heating element is adjusted to adjust the temperature of different heating areas, so that the temperature distribution of different positions of each battery pack carrier 2 is more uniform, thereby improving the performance and life of the battery. The structure of the present invention, 1. Improve battery performance: Through accurate low-temperature environment temperature detection, efficient low-temperature preheating start technology and battery thermal management technology, the capacity and charging and discharging efficiency of retired batteries in low-temperature environments are effectively improved, and the overall performance of the battery is significantly improved. 2. Extend battery life: Through a stable and suitable temperature environment for battery operation, the battery loss caused by temperature fluctuations and extreme temperatures is reduced, the service life of retired batteries is extended, and the utilization rate of resources is improved. 3. Reduce costs: Make full use of retired batteries, avoid the idleness and waste of a large number of retired batteries, reduce the cost of energy storage, and reduce dependence on new batteries, which is in line with the concept of sustainable development. The low-temperature environment new energy vehicle retired battery recycling energy storage structure described in the present invention has a simple structure, can conveniently and reliably realize the resource recycling of retired batteries, meet the requirements of stable, reliable and practical use under low-temperature environmental conditions, and improve the battery performance when reusing retired batteries for energy storage, extending the battery life.

[0028] Each semiconductor heating module 3 is respectively connected to a corresponding control box 9, and the temperature sensing element 7 of each heating area 6 is respectively connected to the control box 9 of the corresponding semiconductor heating module 3. In the above structure, the control box 9 is used to receive the temperature data fed back by the temperature sensing unit 7, and realize the start and stop control of the semiconductor heating module 3, so as to realize the use of the battery in the optimal temperature environment.

[0029] The energy storage cabinet 1 is provided with a first battery pack carrier 21, a second battery pack carrier 22, a third battery pack carrier 23, and a fourth battery pack carrier 24 from top to bottom. The first battery pack carrier 21 is provided with a first battery pack 41, the second battery pack carrier 22 is provided with a second battery pack 42, the third battery pack carrier 23 is provided with a third battery pack 43, and the fourth battery pack 44 is provided with a fourth battery pack carrier 24. The heating area 5 of the semiconductor heating module 3 includes a first heating area 51, a second heating area 52, a third heating area 53, and a fourth heating area 54. The first semiconductor heating wire 61 is provided on the first heating area 51, the second semiconductor heating wire 62 is provided on the second heating area 52, the third semiconductor heating wire 63 is provided on the third heating area 53, and the fourth semiconductor heating wire 64 is provided on the fourth heating area 54. Two semiconductor heating wires 6 are arranged in each heating area 5, namely, heating unit R65 and heating unit L66. Heating unit R65 and heating unit L66 are arranged symmetrically. Heating unit R65 includes a bottom position 67 and a plurality of protruding top positions 68. Heating unit R65 is in a mountain-shaped structure. Heating unit L66 includes a bottom position 67 and a plurality of protruding top positions 68. Heating unit L66 is in an inverted mountain-shaped structure. A temperature sensing element 7 is arranged inside each top position 67 of heating unit R65, and a temperature sensing element 7 is arranged inside each top position 67 of heating unit L66. When the temperature of heating unit R65 is detected, the temperature sensing elements 7 inside the plurality of top positions 67 respectively obtain values, and then the average value is taken as the feedback temperature data. A temperature sensing element 7 is arranged inside each top position 67 of heating unit L66, and when the temperature of heating unit L66 is detected, the temperature sensing elements 7 inside the plurality of top positions 67 respectively obtain values, and then the average value is taken as the feedback temperature data. A temperature sensing element 7 is provided between the bottom position 68 of the heating unit R65 and the bottom position 68 of the heating unit L66. The temperature sensing element is a temperature sensor. In this way, the temperature sensing element can reliably obtain the actual temperature value of the bottom of the battery pack.

[0030] Each semiconductor heating module 3 is connected to a corresponding control box 9 , and the temperature sensing element 7 of each heating area 6 is connected to a corresponding control box 9 of the semiconductor heating module 3 .

[0031] The energy storage cabinet 1 comprises a cabinet bottom 100, a cabinet top 110, a cabinet side 120, and a cabinet door 130. Each corner of the cabinet bottom 100 is connected to the corresponding corner of the cabinet top 110 by a corresponding cabinet vertical beam 16. In the above structure, the cabinet bottom 100, the cabinet top 110, the cabinet side 120, and the cabinet door 130 form a closed frame structure, and retired batteries are placed inside. When the cabinet door is closed, the interior of the energy storage cabinet is sealed, and the retired batteries are reliably protected.

[0032] The battery pack 4 is connected to the battery pack carrier 2 by screws, the battery pack carrier 2 is connected to the connecting crossbeam 15 by screws, and the battery pack carrier 2 is connected to the cabinet vertical beam 16 by connecting the crossbeam 15. In the above structure, the battery pack is fixedly connected to the battery pack carrier 2, the battery pack carrier 2 is fixedly connected to the cabinet vertical beam 16, and the cabinet vertical beam connects the cabinet bottom 100 and the cabinet top 110, which not only realizes the fixation of its own position, but also improves the overall strength of the energy storage cabinet.

[0033] The cabinet vertical beam 16 is provided with an upper clamp and a lower clamp. The upper clamp includes an upper connection portion 161 and an upper bending portion 162, and the upper connection portion 161 and the upper bending portion 162 are in a C-shaped structure or a V-shaped structure. The lower clamp includes a lower connection portion 171 and a lower bending portion 172, and the lower connection portion 171 and the lower bending portion 172 are in a C-shaped structure or a V-shaped structure. The upper connection portion 161 of the upper clamp and the cabinet vertical beam 16 are in an acute angle structure, and the lower connection portion 171 of the lower clamp and the cabinet vertical beam 16 are in an acute angle structure. In the above structure, when installing the connecting crossbeam 15, the connecting crossbeam 15 is pushed in between the upper clamp and the lower clamp, and then when force is applied, the upper clamp moves upward and the lower clamp moves downward, so that the connecting crossbeam enters into place, and then the external force disappears, the upper clamp and the lower clamp are reset, and the connecting crossbeam is reliably clamped. In this way, the connection and disassembly of the connecting beam can be realized conveniently and reliably, the positioning is reliable during connection, and labor is saved during disassembly.

[0034] In a specific embodiment of the structure of the present invention, as shown in the accompanying drawings, the battery packs are arranged in four layers, the battery packs on each layer are equipped with corresponding semiconductor heating modules, and each layer of the battery packs is provided with a single cell control box, and the semiconductor heating module on each layer is provided with four semiconductor heating wires, and the control box on each layer can independently control the four semiconductor heating wires, and a single semiconductor heating module is divided into a heating unit L and a heating unit R. A single semiconductor heating module is provided with 7 temperature sensing areas, and temperature sensing units are respectively provided to accurately control the heating conduction of different battery packs.

[0035] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A low-temperature environment new energy vehicle retired battery recycling energy storage structure, characterized by: A plurality of battery pack carriers (2) are arranged inside the energy storage cabinet (1), and the plurality of battery pack carriers (2) are arranged at intervals from top to bottom. A semiconductor heating module (3) is arranged on each battery pack carrier (2), and a battery pack (4) is arranged on the upper part of each semiconductor heating module (3). The semiconductor heating module (3) is divided into a plurality of heating areas (5), and a semiconductor heating wire (6) is arranged on each heating area (5). A plurality of temperature sensing elements (7) are arranged on each heating area (5); the temperature range of the low temperature environment is between 0°C and -40°C.

2. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 1 is characterized by: Each semiconductor heating module (3) is respectively connected to a corresponding control box (9), and the temperature sensing element (7) of each heating area (6) is respectively connected to the control box (9) of the corresponding semiconductor heating module (3).

3. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 1 or 2 is characterized in that: The energy storage cabinet (1) is provided with a first battery pack carrier (21), a second battery pack carrier (22), a third battery pack carrier (23), and a fourth battery pack carrier (24) in sequence from top to bottom; the first battery pack carrier (21) is arranged on the first battery pack carrier (41), the second battery pack carrier (22) is arranged on the second battery pack carrier (42), the third battery pack carrier (23) is arranged on the third battery pack carrier (23), and the fourth battery pack carrier (44) is arranged on the fourth battery pack carrier (24).

4. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 1 or 2, characterized in that: The heating area (5) of the semiconductor heating module (3) comprises a first heating area (51), a second heating area (52), a third heating area (53), and a fourth heating area (54); a first semiconductor heating line (61) is arranged on the first heating area (51), a second semiconductor heating line (62) is arranged on the second heating area (52), a third semiconductor heating line (63) is arranged on the third heating area (53), and a fourth semiconductor heating line (64) is arranged on the fourth heating area (54).

5. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 4 is characterized by: Two semiconductor heating wires (6) are arranged in each heating area (5), namely a heating unit R (65) and a heating unit L (66). The heating unit R (65) and the heating unit L (66) are arranged symmetrically. The heating unit R (65) includes a bottom position (67) and a plurality of protruding top positions (68). The heating unit R (65) is in a mountain-shaped structure. The heating unit L (66) includes a bottom position (67) and a plurality of protruding top positions (68). The heating unit L (66) is in an inverted mountain-shaped structure.

6. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 5 is characterized by: A temperature sensing element (7) is disposed inside each top position (67) of the heating unit R (65), a temperature sensing element (7) is disposed inside each top position (67) of the heating unit L (66), and a temperature sensing element (7) is disposed between the bottom position (68) of the heating unit R (65) and the bottom position (68) of the heating unit L (66).

7. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 1 or 2 is characterized in that: The energy storage cabinet (1) comprises a cabinet bottom (100), a cabinet top (110), a cabinet side (120), and a cabinet door (130); each corner of the cabinet bottom (100) and a corresponding corner of the cabinet top (110) are connected via corresponding cabinet vertical beams (16).

8. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 1 or 2 is characterized in that: The battery pack (4) is connected to the battery pack carrier (2) via screws, the battery pack carrier (2) is connected to the cross beam (15) via screws, and the battery pack carrier (2) is connected to the cabinet vertical beam (16) via the connecting cross beam (15).

9. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 8 is characterized by: The cabinet vertical beam (16) is provided with an upper clamping member and a lower clamping member, the upper clamping member comprises an upper connecting portion (161) and an upper bending portion (162), the upper connecting portion (161) and the upper bending portion (162) are in a C-shaped structure or a V-shaped structure, and the lower clamping member comprises a lower connecting portion (171) and a lower bending portion (172), the lower connecting portion (171) and the lower bending portion (172) are in a C-shaped structure or a V-shaped structure.

10. The low-temperature environment new energy vehicle retired battery recycling energy storage structure according to claim 9 is characterized by: The upper connecting portion (161) of the upper clamping member and the cabinet vertical beam (16) form an acute angle structure, and the lower connecting portion (171) of the lower clamping member and the cabinet vertical beam (16) form an acute angle structure.

Citation Information

Patent Citations

  • Control method for the reuse of retired battery packs

    CN117577977B