Self-adaptive temperature control battery cabinet

Abstract

The utility model discloses a self-adaptive temperature control battery cabinet which comprises a plurality of heat preservation devices, a heat preservation cavity for accommodating energy storage batteries is defined by the plurality of heat preservation devices, and the joints of the adjacent heat preservation devices are fixed through basalt fiber frames; according to the utility model, the internal temperature can be automatically adjusted through the heat preservation device, so that the stored energy storage battery can be always kept at a constant temperature in a high-altitude cold region, and the problem that the energy storage battery is afraid of high temperature and low temperature is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cabinets, in particular to an adaptive temperature-controlled battery cabinet. Background Art

[0002] In high-altitude cold areas, energy storage batteries used in various indoor and outdoor scenarios face many challenges under low and high temperature conditions.

[0003] In low temperature environments, energy storage batteries will experience reduced capacity. In extreme cases, the capacity may even drop to less than half of normal conditions. At the same time, increased internal resistance leads to reduced discharge efficiency, affecting normal power supply. In addition, charging will become difficult, the charging speed will slow down or even fail, affecting the battery's backup capacity. Moreover, low temperatures will also cause the viscosity of the electrolyte to increase, accelerate battery aging, and shorten battery life.

[0004] In high-temperature environments, energy storage batteries are at risk of overheating, increasing the possibility of thermal runaway and, in turn, the hidden dangers of fire and explosion; high temperatures will also accelerate capacity decay, improperly increase chemical reaction rates, and shorten battery life; gas precipitation inside the battery will cause the battery to expand and affect the battery structure; electrolyte evaporation will also cause battery performance to degrade or even fail.

[0005] To address these issues and ensure the normal operation of the system, it is crucial to select the right battery technology and implement effective temperature control measures. However, existing battery cabinets often have shortcomings when dealing with the extreme temperature conditions in high-altitude cold regions and are unable to effectively maintain the energy storage batteries within the appropriate operating temperature range.

[0006] Therefore, there is an urgent need for an adaptive temperature-controlled battery cabinet that can combine photovoltaic, temperature control modules, thermal insulation and sound insulation functions to meet the needs of energy storage battery protection in high-altitude cold areas, increase battery life, and reduce users' maintenance costs. Utility Model Content

[0007] The purpose of the utility model is to provide an adaptive temperature-controlled battery cabinet, which forms a heat-insulating cavity for accommodating batteries by enclosing multiple heat-insulating devices, thereby effectively solving the problem that batteries are afraid of high and low temperatures.

[0008] The utility model is achieved through the following technical solutions:

[0009] An adaptive temperature-controlled battery cabinet includes multiple insulation devices, which enclose a heat-insulating cavity for accommodating energy storage batteries. The connections between adjacent insulation devices are fixed by a basalt fiber frame.

[0010] In this solution, multiple insulation devices enclose a thermal insulation cavity to accommodate energy storage batteries. The thermal insulation cavity can automatically adjust the internal temperature through the thermal insulation devices, and the entire thermal insulation device adopts a basalt fiber frame. Because the thermal conductivity of basalt material is low, the thermal insulation performance of the device is greatly improved, so that the stored energy storage batteries can always maintain a constant temperature in high-altitude cold areas, thereby effectively solving the problem of batteries being afraid of high and low temperatures.

[0011] As a further technical solution for the adaptive temperature-controlled battery cabinet, a plurality of basalt fiber frames are connected end to end through a connecting assembly to form a box frame structure that fixes the thermal insulation cavity, thereby improving the connection reliability of the device.

[0012] As a further technical solution for the adaptive temperature-controlled battery cabinet, the connection component includes angle brackets, which fix the junction of adjacent basalt fiber frames through rivets. The angle bracket connection form improves the installation efficiency of the device of any specification during rapid assembly.

[0013] As a further technical solution for the adaptive temperature-controlled battery cabinet, the connection assembly also includes a metal fixing strip, which is connected between adjacent basalt fiber frames. A sealing strip is also connected to the outside of the metal fixing strip. The metal fixing strip improves the connection reliability of the device, and the sealing strip improves the sealing performance of the device.

[0014] As a further technical solution for the adaptive temperature-controlled battery cabinet, the insulation device includes an external temperature control module and an internal temperature control module. The external temperature control module is arranged on the outside of the insulation cavity to isolate the temperature of the insulation cavity from the external environment. The internal temperature control module is arranged on the inside of the insulation cavity. The internal temperature of the insulation cavity is adjusted by the internal temperature control module to keep the insulation cavity at a constant temperature.

[0015] As a further technical solution for the adaptive temperature-controlled battery cabinet, a temperature sensor is provided in the insulation cavity, and the internal temperature control module includes a heating unit, which is electrically connected to the temperature sensor. When the temperature sensor detects that the temperature in the insulation cavity is lower than the set value, the heating unit will radiate heat into the insulation cavity, thereby ensuring that the battery of the temperature-controlled cabinet has a suitable operating temperature at night or when the photovoltaic power supply is insufficient.

[0016] As a further technical solution for the adaptive temperature-controlled battery cabinet, the external temperature control module and the internal temperature control module are both hollow inside. The hollow interior of the external temperature control module is filled with external phase change material, and the hollow interior of the internal temperature control module is filled with internal phase change material. The heat absorption characteristics of the phase change material are utilized to absorb some of the excess heat released by the interior of the cabinet and the energy storage battery, thereby avoiding overheating in the cabinet.

[0017] As a further technical solution for the adaptive temperature-controlled battery cabinet, a reflective film is further provided between the external temperature control module and the internal temperature control module to block the heat from direct sunlight in summer and prevent the temperature inside the cabinet from rising due to direct sunlight.

[0018] As a further technical solution for the adaptive temperature-controlled battery cabinet, a spacer cavity is formed between the external temperature control module and the internal temperature control module, and the spacer cavity is filled with thermal insulation and sound insulation materials to further protect the energy storage battery from damage in low and high temperature environments.

[0019] As a further technical solution for the adaptive temperature-controlled battery cabinet, the battery cabinet also includes a photovoltaic power generation component. The temperature sensor and the heating unit are both powered by the photovoltaic power generation component. When the indoor and outdoor temperatures are low, electricity and heat are generated when there is sufficient sunlight to ensure that the temperature-controlled cabinet has a constant operating temperature during the day. At the same time, heat is stored in the phase change material. When there is insufficient sunlight, the accumulated heat is released to maintain the temperature inside the cabinet, ensuring that the energy storage battery in the temperature-controlled cabinet has a suitable operating temperature.

[0020] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0021] 1. The utility model provides an adaptive temperature-controlled battery cabinet, which includes multiple insulation devices. The multiple insulation devices enclose a heat-insulating cavity for accommodating energy storage batteries. The heat-insulating cavity can automatically adjust the internal temperature through the insulation devices, so that the stored energy storage batteries can always maintain a constant temperature in high-altitude cold areas, thereby effectively solving the problem of energy storage batteries being afraid of high and low temperatures.

[0022] 2. In a low-temperature environment, the heating unit in the internal temperature control module of the present invention generates heat and stores heat in the internal phase change material at the same time, ensuring that the energy storage battery of the temperature control cabinet has a suitable operating temperature at night or when the photovoltaic power supply is insufficient; in a high-temperature environment, the external temperature control module and thermal insulation materials are used for insulation to avoid high temperatures caused by direct sunlight. At the same time, the external phase change material and the internal phase change material in the cavity of the external temperature control module absorb part of the excess heat released by the cabinet and the energy storage battery to avoid overheating in the cabinet. The above process is completely automatically controlled by the internal temperature control module and the external temperature control module to protect the energy storage battery from damage in low and high temperature environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0026] Figure 3 This is a schematic structural diagram of the heat preservation device of the present utility model.

[0027] Markings and corresponding parts names in the accompanying drawings:

[0028] 1-basalt fiber frame, 2-thermal insulation device, 3-rivet, 4-metal fixing strip, 5-thermal insulation and sound insulation material, 6-external temperature control module, 7-corner, 8-external phase change material, 9-reflective film, 10-internal temperature control module, 11-internal phase change material. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The schematic implementation methods of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0030] Example 1

[0031] This embodiment 1 provides an adaptive temperature-controlled battery cabinet, such as Figure 1-Figure 3 As shown, it includes multiple insulation devices 2, which enclose a heat preservation cavity for accommodating energy storage batteries. The connections between adjacent insulation devices are fixed by a basalt fiber frame 1.

[0032] Specifically, the above-mentioned basalt fiber frames 1 are connected end to end through a connecting component to form a box frame structure for fixing the insulation cavity. In this embodiment, the connecting component includes an angle code 7 and a metal fixing strip 4. The metal fixing strip 4 is connected between adjacent basalt fiber frames 1. The outer side of the metal fixing strip 4 is also connected to a sealing strip. The angle code 7 fixes the adjacent basalt fiber frames 1 and the metal fixing strip 4 at the junction through a rivet 3. The angle code connection form facilitates assembly and subsequent disassembly.

[0033] Please refer to Figure 1-Figure 3 As shown, the above-mentioned insulation device 2 is a double-layer structure, including an external temperature control module 6 and an internal temperature control module 10. The external temperature control module 6 is connected to the outside of the insulation cavity and is located on the outside of the metal fixing bar 4, and is used to isolate the temperature of the insulation cavity from the external environment. The internal temperature control module 10 is connected to the inside of the insulation cavity and is located on the inside of the metal fixing bar 4. The internal temperature of the insulation cavity is adjusted by the internal temperature control module 10, so that the insulation cavity is always maintained at a constant temperature.

[0034] At the same time, a spacing cavity is formed between the external temperature control module 6 and the internal temperature control module 10, and both the external temperature control module 6 and the internal temperature control module 10 are hollow inside. The hollow inside of the external temperature control module 6 is filled with external phase change material 8, and the hollow inside of the internal temperature control module 10 is filled with internal phase change material 11. The spacing cavity is filled with thermal insulation and sound insulation material 5, such as polyurethane foam or rock wool. The phase change temperature point of all phase change materials is 25°. The heat absorption characteristics of the phase change material are utilized to absorb some of the excess heat released by the cabinet body and the energy storage battery to avoid overheating in the cabinet.

[0035] In this embodiment, in order to improve the insulation capacity of the insulation device 2, a reflective film 9 is further provided between the external temperature control module 6 and the internal temperature control module 10 to block the heat from direct sunlight in summer and prevent the temperature inside the cabinet from rising due to direct sunlight.

[0036] Example 2

[0037] In order to make the internal temperature of the insulation cavity completely controlled by the internal temperature control module 10 and the external temperature control module 6 automatically, and protect the battery from being damaged in low and high temperature environments, this embodiment 2 provides an adaptive temperature control battery cabinet, such as Figure 1-Figure 3 As shown, it includes multiple insulation devices 2 and photovoltaic power generation components (not shown in the figure). Multiple insulation devices 2 enclose an insulation cavity for accommodating energy storage batteries. The connections between adjacent insulation devices are fixed by a basalt fiber frame 1, and the basalt fiber frame 1 is connected end to end by a connecting component to form a box frame structure for fixing the insulation cavity. In this embodiment, the connecting component includes an angle code 7 and a metal fixing strip 4. The metal fixing strip 4 is connected between adjacent basalt fiber frames 1. The outer side of the metal fixing strips 4 is also connected to a sealing strip. The angle code 7 fixes the adjacent basalt fiber frames 1 and the metal fixing strip 4 at the junction through a rivet 3. The angle code connection form facilitates assembly and subsequent disassembly.

[0038] Please refer to Figure 1-Figure 3As shown, the above-mentioned insulation device 2 is a double-layer structure, including an external temperature control module 6 and an internal temperature control module 10. The external temperature control module 6 is connected to the outside of the insulation cavity and is located on the outside of the metal fixing bar 4, for isolating the temperature influence of the external environment on the insulation cavity. The internal temperature control module 10 is connected to the inside of the insulation cavity and is located on the inside of the metal fixing bar 4; at the same time, a spacing cavity is formed between the external temperature control module 6 and the internal temperature control module 10, and a reflective film 9 is also provided between the external temperature control module 6 and the internal temperature control module 10, and the external temperature control module 6 and the internal temperature control module 10 are both hollow inside, and the hollow inside of the external temperature control module 6 is filled with an external phase change material 8, and the hollow inside of the internal temperature control module 10 is filled with an internal phase change material 11, and the spacing cavity is filled with insulation and sound insulation material 5, such as polyurethane foam or rock wool. The phase change temperature point of all phase change materials is 25°. The heat absorption characteristics of the phase change material are utilized to absorb part of the excess heat released by the cabinet and the battery to avoid overheating in the cabinet.

[0039] In this embodiment, a temperature sensor is provided in the insulation cavity, and the internal temperature control module 10 includes a heating unit, which is electrically connected to the temperature sensor. The temperature sensor and the heating unit are both powered by photovoltaic power generation components. When the temperature sensor detects that the temperature in the insulation cavity is lower than the set value, the heating unit in the internal temperature control module 10 generates heat and simultaneously stores heat in the internal phase change material 11, thereby ensuring that the energy storage battery of the temperature control cabinet has a suitable operating temperature at night or when the photovoltaic power supply is insufficient.

[0040] The above process is completely automatically controlled by the internal temperature control module 10 and the external temperature control module 6 to protect the energy storage battery from damage in low and high temperature environments.

[0041] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific implementation method of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An adaptive temperature-controlled battery cabinet, characterized in that: It comprises a plurality of heat-insulating devices (2), wherein the plurality of heat-insulating devices (2) enclose a heat-insulating cavity for accommodating an energy storage battery, and the connection points of adjacent heat-insulating devices (2) are fixed by a basalt fiber frame (1).

2. The adaptive temperature-controlled battery cabinet according to claim 1, characterized in that: A plurality of the basalt fiber frames (1) are connected end to end via a connecting assembly to form a box frame structure for fixing the heat-insulating cavity.

3. The adaptive temperature-controlled battery cabinet according to claim 2, characterized in that: The connection assembly comprises an angle code (7), and the angle code (7) fixes the junction of adjacent basalt fiber frames (1) via rivets (3).

4. The adaptive temperature-controlled battery cabinet according to claim 3, characterized in that: The connection assembly further comprises a metal fixing strip (4), wherein the metal fixing strip (4) is connected between adjacent basalt fiber frames (1), and a sealing strip is further connected to the outside of the metal fixing strip (4).

5. The adaptive temperature-controlled battery cabinet according to claim 1, characterized in that: The heat preservation device (2) comprises an external temperature control module (6) and an internal temperature control module (10), wherein the external temperature control module (6) is arranged outside the heat preservation cavity, and the internal temperature control module (10) is arranged inside the heat preservation cavity.

6. The adaptive temperature-controlled battery cabinet according to claim 5, characterized in that: A temperature sensor is provided in the heat preservation cavity, and the internal temperature control module (10) includes a heating unit, which is electrically connected to the temperature sensor. When the temperature sensor detects that the temperature in the heat preservation cavity is lower than a set value, the heating unit radiates heat into the heat preservation cavity.

7. The adaptive temperature-controlled battery cabinet according to claim 5, characterized in that: The external temperature control module (6) and the internal temperature control module (10) are both hollow inside; the hollow inside of the external temperature control module (6) is filled with an external phase change material (8), and the hollow inside of the internal temperature control module (10) is filled with an internal phase change material (11).

8. The adaptive temperature-controlled battery cabinet according to claim 5, characterized in that: A reflective film (9) is also provided between the external temperature control module (6) and the internal temperature control module (10).

9. The adaptive temperature-controlled battery cabinet according to claim 5, characterized in that: A spacing cavity is formed between the external temperature control module (6) and the internal temperature control module (10), and the spacing cavity is filled with heat-insulating and sound-insulating material (5).

10. The adaptive temperature-controlled battery cabinet according to claim 6, characterized in that: The battery cabinet further includes a photovoltaic power generation component, and the temperature sensor and the heating unit are both powered by the photovoltaic power generation component.

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