Lead-acid battery suitable for high-temperature environment

Abstract

The utility model provides a lead-acid battery suitable for high-temperature environment, which relates to the technical field of lead-acid batteries and comprises a lead-acid battery and a heat-insulating outer cover, the lead-acid battery is covered with the heat-insulating outer cover, an outer radiation-proof shell is arranged on the outer side of the heat-insulating outer cover, a cooling layer is arranged on the inner side of the outer radiation-proof shell, and the cooling layer is arranged on the inner side of the outer radiation-proof shell. A water outlet pipe opening is formed in the upper portion of the front side face of the heat insulation outer cover, an inner cavity is formed in the heat insulation outer cover, a control panel is arranged on the front side face of the heat insulation outer cover, the outer radiation protection shell is made of heat-resisting steel plates, and the heat insulation layer is made of mica heat insulation plates. And cooling liquid is filled in the cooling layer. According to the lead-acid battery, the heat insulation outer cover is conveniently used for preventing external solar rays from directly irradiating the lead-acid battery, cooling liquid is firstly used for cooling in a large area, the heat insulation layer is used for preserving heat and insulating heat, and the lead-acid battery can carry out large-area heat transfer, heat drainage, air cooling, external heat insulation and internal heat dissipation, is higher in high-temperature resistance and longer in service life.

Description

Technical Field

[0001] The utility model relates to the technical field of lead-acid batteries, in particular to a lead-acid battery suitable for high-temperature environments. Background Art

[0002] With the continuous development of communication and energy storage, valve-regulated sealed lead-acid batteries are increasingly used in high-temperature environments, such as communication base stations on the roofs of urban buildings, rural telecommunication repeater stations in southern my country, and outdoor wind and solar energy storage applications.

[0003] In the specification of a high-temperature valve-regulated sealed lead-acid battery in the prior art (publication number CN103594738A), it is mentioned that "the high-temperature valve-regulated sealed lead-acid battery of the present invention comprises a battery container, a positive plate, a negative plate, a separator, and an electrolyte. The plate comprises a grid and an active material layer filled in the grid lattice body. The active material of the positive plate comprises lead powder, sulfuric acid, water, short fibers, graphite, Bi2O3, Sb2O3, SnSO4, polyaniline and 4Pb·PbSO4". However, the lead-acid battery in the prior art is easily exposed to direct sunlight from the outside, and heat will be transferred into the lead-acid battery. Moreover, the heat inside the battery is not easy to diffuse out, and it is difficult to use it for a long time in a high temperature environment. Utility Model Content

[0004] In order to overcome the defects of the prior art, a lead-acid battery suitable for high temperature environment is provided to solve the problem that the lead-acid battery in the prior art is easily exposed to direct sunlight from the outside, heat is transferred into the lead-acid battery, and the heat inside is not easy to diffuse out, making it difficult to use for a long time in a high temperature environment.

[0005] To achieve the above-mentioned purpose, a lead-acid battery suitable for high temperature environment is provided, comprising a lead-acid battery and a heat-insulating outer cover, wherein a positive lead terminal is arranged on the left part of the upper end surface of the lead-acid battery, and a negative lead terminal is arranged on the right part of the upper end surface of the lead-acid battery, the lead-acid battery outer cover has a heat-insulating outer cover, and an outer radiation-proof shell is arranged on the outer side of the heat-insulating outer cover, a cooling layer is arranged on the inner side of the outer radiation-proof shell, and a heat-insulating layer is arranged on the inner side of the cooling layer.

[0006] Furthermore, a water outlet is arranged on the upper part of the front side of the heat-insulating outer cover, an inner cavity is opened in the heat-insulating outer cover, and a control panel is arranged on the front side of the heat-insulating outer cover.

[0007] Furthermore, the outer radiation protection shell is made of heat-resistant steel plate, the heat insulation layer is made of mica heat insulation board, and the cooling layer is filled with coolant.

[0008] Furthermore, a water inlet is provided at the upper left end of the cooling layer, and a water outlet is provided at the lower right end of the cooling layer, and electromagnetic control valves are installed on the water inlet and outlet.

[0009] Furthermore, a left through hole is formed on the left portion of the heat-insulating outer cover, and the upper portion of the positive lead terminal passes through the positive lead terminal, and a right through hole is formed on the right portion of the heat-insulating outer cover, and the upper portion of the negative lead terminal passes through the right through hole.

[0010] Furthermore, a support leg is provided on the lower end surface of the lead-acid battery, and a heat transfer layer is provided on the outer surface of the lead-acid battery, a first cooling fin group is provided on the heat transfer layer on the front and rear sides, a second cooling fin group is provided on the heat transfer layer on the left and right sides, and multiple groups of cooling fans are provided in the first cooling fin group and the second cooling fin group.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model utilizes a heat-insulating outer cover to cover the lead-acid battery, and there is a certain gap between the inner wall of the heat-insulating outer cover and the outer side of the lead-acid battery, which not only makes the lead-acid battery heat-resistant and heat-insulated, but also reduces the transfer of heat to the inner space, and the heat insulation is more stable and reliable;

[0013] 2. The outer radiation protection shell can withstand high temperatures for a long time, and the coolant in the cooling layer is convenient for large-area cooling of the outer radiation protection shell. The cooling layer can add coolant through the water inlet and drain it out through the water outlet, which is more convenient and practical.

[0014] 3. The setting of the heat insulation layer not only keeps the coolant in the cooling layer warm, but also blocks the temperature from being transferred to the inside, which helps to improve the heat insulation of the heat insulation cover to prevent the lead-acid battery from being directly exposed to high-temperature light from the outside, and also reduces the transfer of external heat to the lead-acid battery.

[0015] 4. The utility model provides heat transfer layers on the front, back, left and right sides of the lead-acid battery, so that the heat in the lead-acid battery can be transferred to the first cooling fin group and the second cooling fin group through the heat transfer layer, and then the first cooling fin group and the second cooling fin group are used to dissipate the heat over a large area, and multiple groups of cooling fans are used for rapid air cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a top view schematic diagram of an embodiment of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0019] Figure 4 The figure is a schematic diagram of the internal structure of the heat-insulating outer cover according to an embodiment of the utility model.

[0020] In the figure: 1. lead-acid battery; 10. support leg; 11. heat transfer layer; 12. first heat dissipation fin group; 13. cooling fan; 14. second heat dissipation fin group; 15. positive lead terminal; 16. negative lead terminal; 2. thermal insulation cover; 20. left through hole; 21. right through hole; 22. cooling layer; 23. coolant; 24. thermal insulation layer; 25. outer radiation protection shell; 26. water inlet pipe; 27. water outlet pipe; 28. inner cavity; 29. ​​control panel. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 A schematic top view of an embodiment of the utility model, Figure 3 The utility model is a cross-sectional diagram of an embodiment of the present invention. Figure 4 The figure is a schematic diagram of the internal structure of the heat-insulating outer cover according to an embodiment of the utility model.

[0024] Reference Figures 1 to 4 As shown, the utility model provides a lead-acid battery suitable for high temperature environment, including a lead-acid battery 1 and a heat-insulating outer cover 2, a positive lead terminal 15 is arranged on the left part of the upper end surface of the lead-acid battery 1, and a negative lead terminal 16 is arranged on the right part of the upper end surface of the lead-acid battery 1, the lead-acid battery 1 is covered with a heat-insulating outer cover 2, and an outer radiation-proof shell 25 is arranged on the outer side of the heat-insulating outer cover 2, a cooling layer 22 is arranged on the inner side of the outer radiation-proof shell 25, and a heat-insulating layer 24 is arranged on the inner side of the cooling layer 22.

[0025] In this embodiment, a water outlet pipe 27 is provided on the upper part of the front side surface of the heat-insulating outer cover 2, and an inner cavity 28 is opened in the heat-insulating outer cover 2; a water inlet pipe 26 is provided on the upper left end of the cooling layer 22, and a water outlet pipe 27 is provided on the lower right end of the cooling layer 22, and electromagnetic control valves are installed on the water inlet pipe 26 and the water outlet pipe 27; the outer radiation protection shell 25 is made of heat-resistant steel plate, and the heat-insulating layer 24 is made of mica insulation board, and the cooling layer 22 is filled with coolant 23.

[0026] As a preferred embodiment, the utility model uses a heat-insulating outer cover 2 to cover the lead-acid battery 1, and there is a certain gap between the inner wall of the heat-insulating outer cover 2 and the outer side of the lead-acid battery 1, which not only makes the lead-acid battery 1 heat-resistant and heat-insulated, but also reduces the transfer of heat to the inner space, and the heat insulation is more stable and reliable;

[0027] The outer radiation protection shell 25 can withstand high temperatures for a long time, and the coolant 23 contained in the cooling layer 22 facilitates large-area cooling of the outer radiation protection shell 25. The cooling layer 22 can add coolant through the water inlet 26 and can be emptied through the water outlet 27, which is more convenient and practical.

[0028] At the same time, the setting of the heat insulation layer 24 not only has the effect of keeping the coolant 23 in the cooling layer 22 warm, but also serves the purpose of blocking the temperature from being transferred to the inside, which helps to improve the heat insulation of the heat insulation cover 2 to prevent the lead-acid battery 1 from being directly exposed to high-temperature light from the outside, and also reduces the transfer of external heat into the lead-acid battery 1.

[0029] In this embodiment, a left through hole 20 is provided on the left portion of the heat-insulating outer cover 2, and the upper portion of the positive lead terminal 15 passes through the positive lead terminal 15, and a right through hole 21 is provided on the right portion of the heat-insulating outer cover 2, and the upper portion of the negative lead terminal 16 passes through the right through hole 21; a support leg 10 is provided on the lower end surface of the lead-acid battery 1, and a heat transfer layer 11 is provided on the outer surface of the lead-acid battery 1, a first heat dissipation fin group 12 is provided on the heat transfer layer 11 on the front and rear sides, a second heat dissipation fin group 14 is provided on the heat transfer layer 11 on the left and right sides, and multiple groups of heat dissipation fans 13 are provided in the first heat dissipation fin group 12 and the second heat dissipation fin group 14.

[0030] As a preferred embodiment, a heat transfer layer 11 is provided on each of the front, back, left and right sides of the lead-acid battery 1 of the utility model, so that the heat in the lead-acid battery 1 can be transferred to the first cooling fin group 12 and the second cooling fin group 14 through the heat transfer layer 11, and then the first cooling fin group 12 and the second cooling fin group 14 are used to dissipate heat outward over a large area, and multiple groups of cooling fans 13 are used for rapid air cooling.

[0031] The utility model can effectively solve the problem in the prior art that the lead-acid battery is easily exposed to direct sunlight from the outside, heat will be transferred into the lead-acid battery, and the heat inside is not easy to diffuse out, making it difficult to use for a long time in a high temperature environment. The utility model conveniently uses a heat-insulating outer cover to block direct sunlight from the outside to the lead-acid battery, first uses a coolant to cool down a large area, and uses a heat insulation layer to keep warm and insulate. In addition, the lead-acid battery itself can transfer heat, dissipate heat and cool with air over a large area, with external insulation and internal heat dissipation, is more resistant to high temperatures and has a longer service life.

[0032] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A lead-acid battery suitable for high temperature environment, characterized in that: The invention comprises a lead-acid battery (1) and a heat-insulating outer cover (2), wherein a positive lead terminal (15) is arranged on the left part of the upper end surface of the lead-acid battery (1), and a negative lead terminal (16) is arranged on the right part of the upper end surface of the lead-acid battery (1), the lead-acid battery (1) is covered with a heat-insulating outer cover (2), and an outer radiation-proof shell (25) is arranged on the outer side of the heat-insulating outer cover (2), a cooling layer (22) is arranged on the inner side of the outer radiation-proof shell (25), and a heat-insulating layer (24) is arranged on the inner side of the cooling layer (22).

2. A lead-acid battery suitable for high temperature environment according to claim 1, characterized in that: A water outlet (27) is provided on the upper portion of the front side of the heat-insulating outer cover (2), an inner cavity (28) is provided in the heat-insulating outer cover (2), and a control panel (29) is provided on the front side of the heat-insulating outer cover (2).

3. A lead-acid battery suitable for high temperature environment according to claim 1, characterized in that: The outer radiation protection shell (25) is made of a heat-resistant steel plate, the heat insulation layer (24) is made of a mica heat insulation board, and the cooling layer (22) is filled with a cooling liquid (23).

4. A lead-acid battery suitable for high temperature environment according to claim 1, characterized in that: A water inlet pipe (26) is provided at the upper left end of the cooling layer (22), and a water outlet pipe (27) is provided at the right lower end of the cooling layer (22), and electromagnetic control valves are installed on both the water inlet pipe (26) and the water outlet pipe (27).

5. A lead-acid battery suitable for high temperature environment according to claim 1, characterized in that: A left through hole (20) is provided on the left portion of the heat-insulating outer cover (2), and the upper portion of the positive lead terminal (15) passes through the positive lead terminal (15); and a right through hole (21) is provided on the right portion of the heat-insulating outer cover (2), and the upper portion of the negative lead terminal (16) passes through the right through hole (21).

6. A lead-acid battery suitable for high temperature environment according to claim 1, characterized in that: The lower end surface of the lead-acid battery (1) is provided with a support foot (10), and the outer surface of the lead-acid battery (1) is provided with a heat transfer layer (11), the heat transfer layers (11) on the front and rear sides are provided with a first heat dissipation fin group (12), the heat transfer layers (11) on the left and right sides are provided with a second heat dissipation fin group (14), and a plurality of heat dissipation fans (13) are provided in the first heat dissipation fin group (12) and the second heat dissipation fin group (14).

Images