Safe and explosion-proof rechargeable battery

By setting up a thermal plate and limit block in a safe explosion-proof rechargeable battery and using alumina ceramic material, the problem of difficulty in dissipating heat inside the battery is solved, the safety performance of the battery is improved, and the occurrence of explosions or fires is prevented.

CN222261185UActive Publication Date: 2024-12-27LANGFANG FUHUI YINGCHANG NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420895384.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-27
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

Traditional safety explosion-proof rechargeable batteries are difficult to dissipate heat inside the battery under high temperature or high power discharge, which may lead to explosion or fire.

Method used

在下壳体的内底端设置第一导热板,上壳体的内顶端设置第二导热板,并在电池本体与下壳体之间设置多个限位块,采用氧化铝陶瓷材料制造壳体以快速传导热量,避免电池本体与外壳直接接触。

Benefits of technology

Effectively disperses heat inside the battery, prevents overheating, avoids explosions or fires, and improves the safety performance of the battery.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222261185U_ABST
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Abstract

The utility model relates to the field of safe explosion-proof batteries, and discloses a safe explosion-proof rechargeable battery, which comprises a lower shell, an upper shell and a battery body, the upper shell is arranged at the top end of the lower shell, a first heat conducting plate is arranged at the inner bottom end of the lower shell, a second heat conducting plate is arranged at the inner top end of the upper shell, and the battery body is arranged in the upper shell. And the battery body is clamped between the first heat-conducting plate and the second heat-conducting plate. According to the utility model, the first heat conducting plate is arranged at the inner bottom end of the lower shell, and the second heat conducting plate is arranged at the inner top end of the upper shell, so that heat can be quickly conducted; a plurality of limiting blocks are clamped between the battery body and the lower shell, so that the battery body can be fixed and can be prevented from being in direct contact with the shell, and the lower shell and the upper shell are both made of an aluminum oxide ceramic material, so that heat can be quickly conducted and the battery is prevented from being overheated; and the situation that heat generated in the battery is difficult to effectively dissipate to cause explosion or fire disasters is avoided.
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Description

Technical Field

[0001] The utility model relates to the field of safe explosion-proof batteries, in particular to a safe explosion-proof rechargeable battery. Background Art

[0002] Safety explosion-proof rechargeable batteries are highly safe and explosion-proof rechargeable batteries that use advanced technology and materials to prevent the battery from exploding or catching fire during charging. Safety explosion-proof rechargeable batteries usually use lithium-ion battery technology because lithium-ion batteries have higher energy density and longer life.

[0003] The internal structure of traditional safety explosion-proof rechargeable batteries is mostly in direct contact with the outer shell, which may limit the dissipation of heat. Under high temperature or high power discharge conditions, the heat generated inside the battery is difficult to dissipate effectively, which may cause the battery to overheat and cause an explosion or fire.

[0004] Therefore, those skilled in the art provide a safe and explosion-proof rechargeable battery to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a safe and explosion-proof rechargeable battery. A first heat-conducting plate is provided at the inner bottom end of the lower shell, and a second heat-conducting plate is provided at the inner top end of the upper shell so that heat can be quickly conducted. A plurality of limit blocks are provided between the battery body and the lower shell, which can fix the battery body and avoid direct contact between the battery body and the shell. The lower shell and the upper shell are both made of alumina ceramic material, so that heat can be quickly conducted and the battery can be prevented from overheating, so as to avoid the situation where the heat generated inside the battery is difficult to be effectively dissipated, thereby causing an explosion or fire.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A safe and explosion-proof rechargeable battery, comprising a lower shell, an upper shell and a battery body, wherein the upper shell is mounted on the top of the lower shell, a first heat conducting plate is arranged at the inner bottom end of the lower shell, a second heat conducting plate is arranged at the inner top end of the upper shell, the battery body is clamped between the first heat conducting plate and the second heat conducting plate, a plurality of limit blocks are clamped between the battery body and the lower shell, and the lower shell and the upper shell are both made of alumina ceramic material;

[0008] Through the above technical solution, a first heat conducting plate is provided at the inner bottom end of the lower shell, and a second heat conducting plate is provided at the inner top end of the upper shell so that heat can be quickly conducted. A plurality of limit blocks are provided between the battery body and the lower shell so that the battery body can be fixed and direct contact between the battery body and the outer shell can be avoided. Both the lower shell and the upper shell are made of alumina ceramic material so that heat can be quickly conducted and the battery can be prevented from overheating, thereby preventing the heat generated inside the battery from being difficult to effectively dissipate, thereby causing an explosion or fire.

[0009] Furthermore, one side of the battery body is electrically connected to a plurality of power lines, a wire outlet tube is provided at the middle end of one side of the lower shell, a wiring device is provided inside the wire outlet tube, and the plurality of power lines are evenly arranged inside the wiring device;

[0010] Through the above technical solution, multiple power lines are electrically connected on one side of the battery body, an outlet tube is provided at the middle end of one side of the lower shell, and a wiring device is provided inside the outlet tube. Multiple power lines are evenly arranged inside the wiring device, so that the power lines can be easily sorted and classified.

[0011] Furthermore, the outer sides of the upper shell and the lower shell are each provided with a plurality of fixing holes, two fixing holes facing each other are provided with fixing bolts, and the outer ends of the plurality of fixing bolts are all threadedly sleeved with fixing nuts;

[0012] Through the above technical solution, multiple fixing holes are provided on the outer sides of the upper shell and the lower shell, and fixing bolts are provided inside the two fixing holes that are opposite to each other. The outer ends of the multiple fixing bolts are threaded with fixing nuts to facilitate the fixed connection between the upper shell and the lower shell.

[0013] Furthermore, support plates are fixedly arranged at the four corners of the bottom end of the lower shell, and the distance between the bottom ends of the four support plates and the bottom end of the lower shell is half of the thickness of the support plates themselves;

[0014] Through the above technical solution, support plates are fixedly arranged at the four corners of the bottom end of the lower shell, and the distance from the bottom ends of the four support plates to the bottom end of the lower shell is half the thickness of the support plates themselves, thereby avoiding direct contact between the battery shell and the placement surface, resulting in difficulty in heat dissipation, and further improving the safety performance of the battery.

[0015] Furthermore, a cover is provided on the threaded sleeve at the outer end of the outlet pipe, and threads are provided on the inner wall of the cover and the outer wall of the outlet pipe;

[0016] According to the technical solution, a sealing cover is provided on the outer end of the outlet pipe through a threaded sleeve, and threads are provided on the inner wall of the sealing cover and the outer wall of the outlet pipe, thereby facilitating the protection of the outlet pipe.

[0017] Furthermore, a charging interface is provided on one side of the lower shell body and connected to the battery body by electric wire;

[0018] Through the above technical solution, a charging interface is provided on one side of the lower shell body to be connected with the battery body by electric wires, thereby facilitating energy storage.

[0019] Furthermore, one end of the plurality of power lines is provided with an insulating sleeve;

[0020] Through the above technical solution, an insulating sleeve is provided at one end of a plurality of power lines so that the power lines can be organized and protected.

[0021] Furthermore, an information nameplate is provided on one side of the top end of the upper shell;

[0022] Through the above technical solution, an information nameplate is provided on one side of the top of the upper shell so as to facilitate display of battery information.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a safe and explosion-proof rechargeable battery. A first heat-conducting plate is provided at the inner bottom end of the lower shell, and a second heat-conducting plate is provided at the inner top end of the upper shell so that heat can be quickly conducted. A plurality of limit blocks are provided between the battery body and the lower shell so that the battery body can be fixed and direct contact between the battery body and the shell can be avoided. Both the lower shell and the upper shell are made of alumina ceramic material so that heat can be quickly conducted and the battery can be prevented from overheating, so as to avoid the situation where the heat generated inside the battery is difficult to be effectively dissipated, thereby causing an explosion or fire.

[0025] 2. The utility model proposes a safe and explosion-proof rechargeable battery, in which support plates are fixedly arranged at the four corners of the bottom end of the lower shell, and the distance from the bottom ends of the four support plates to the bottom end of the lower shell is half the thickness of the support plates themselves, thereby avoiding direct contact between the battery shell and the placement surface, resulting in difficulty in heat dissipation, and further improving the safety performance of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an axonometric diagram of a safe and explosion-proof rechargeable battery proposed by the utility model;

[0027] Figure 2 This is a schematic diagram of the expansion of a safe and explosion-proof rechargeable battery proposed by the utility model;

[0028] Figure 3 This is a cross-sectional view of a safe and explosion-proof rechargeable battery proposed by the utility model;

[0029] Figure 4This is a front view of a safe and explosion-proof rechargeable battery proposed by the utility model;

[0030] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0031] Legend:

[0032] 1. Lower shell; 2. Upper shell; 3. Battery body; 4. First heat conduction plate; 5. Limit block; 6. Second heat conduction plate; 7. Power cord; 8. Insulation sleeve; 9. Outlet pipe; 10. Wiring device; 11. Thread; 12. Cover; 13. Support plate; 14. Fixing hole; 15. Fixing bolt; 16. Fixing nut; 17. Information plate; 18. Charging port. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1-5 , the utility model provides an embodiment: a safe and explosion-proof rechargeable battery, comprising a lower shell 1, an upper shell 2 and a battery body 3, the upper shell 2 is installed on the top of the lower shell 1, the inner bottom end of the lower shell 1 is provided with a first heat conducting plate 4, the inner top end of the upper shell 2 is provided with a second heat conducting plate 6, the battery body 3 is clamped between the first heat conducting plate 4 and the second heat conducting plate 6, and a plurality of limit blocks 5 are clamped between the battery body 3 and the lower shell 1, the lower shell 1 and the upper shell 2 are both made of alumina ceramic material, by providing the first heat conducting plate 4 at the inner bottom end of the lower shell 1, and providing the second heat conducting plate 6 at the inner top end of the upper shell 2, the heat can be quickly conducted, and a plurality of limit blocks 5 are clamped between the battery body 3 and the lower shell 1, which can fix the battery body 3 and avoid direct contact between the battery body 3 and the shell, and the lower shell 1 and the upper shell 2 are both made of alumina ceramic material, so as to quickly conduct heat and prevent the battery from overheating, and avoid the situation where the heat generated inside the battery is difficult to effectively dissipate, thereby causing explosion or fire.

[0035] A plurality of power lines 7 are electrically connected to one side of the battery body 3, an outlet tube 9 is provided at the middle end of one side of the lower shell 1, a wiring device 10 is provided inside the outlet tube 9, and a plurality of power lines 7 are evenly arranged inside the wiring device 10. By electrically connecting a plurality of power lines 7 to one side of the battery body 3, an outlet tube 9 is provided at the middle end of one side of the lower shell 1, a wiring device 10 is provided inside the outlet tube 9, and a plurality of power lines 7 are evenly arranged inside the wiring device 10, so that the power lines 7 can be easily sorted and classified. A plurality of fixing holes 14 are provided on the outer sides of the upper shell 2 and the lower shell 1. A fixing bolt 15 is arranged inside the two fixing holes 14 that are fitted relative to each other at the bottom, and a fixing nut 16 is threadedly sleeved on the outer ends of the multiple fixing bolts 15. A plurality of fixing holes 14 are clamped on the outer sides of the upper shell 2 and the lower shell 1, and a fixing bolt 15 is arranged inside the two fixing holes 14 that are fitted relative to each other at the top and bottom, and a fixing nut 16 is threadedly sleeved on the outer ends of the multiple fixing bolts 15, so as to facilitate the fixed connection between the upper shell 2 and the lower shell 1. Support plates 13 are fixedly arranged at the four corners of the bottom end of the lower shell 1, and the distance from the bottom end of the four support plates 13 to the bottom end of the lower shell 1 is support plate 13. The support plate 13 is half the thickness of the support plate 13 itself. The support plates 13 are fixedly arranged at the four corners of the bottom end of the lower shell 1, and the distance from the bottom ends of the four support plates 13 to the bottom end of the lower shell 1 is half the thickness of the support plate 13 itself, so that the battery shell can be prevented from directly contacting the placement surface, resulting in difficulty in heat dissipation, and further improving the safety performance of the battery. The outer end thread sleeve of the outlet pipe 9 is provided with a cover 12, and the inner wall of the cover 12 and the outer wall of the outlet pipe 9 are both provided with threads 11. The cover 12 is provided at the outer end thread sleeve of the outlet pipe 9, and the inner wall of the cover 12 and the outer wall of the outlet pipe 9 are provided with threads 11. The walls are all provided with threads to facilitate the protection of the outlet pipe 9. A charging interface 18 is provided on one side of the lower shell 1 and connected to the battery body 3 by wires. A charging interface 18 is provided on one side of the lower shell 1 and connected to the battery body 3 by wires to facilitate energy storage. An insulating sleeve 8 is provided at one end of the multiple power cords 7. An insulating sleeve 8 is provided at one end of the multiple power cords 7 to organize and protect the power cords 7. An information nameplate 17 is provided on the top side of the upper shell 2. The information nameplate 17 is provided on the top side of the upper shell 2 to facilitate the display of battery information.

[0036] Working principle: A first heat conducting plate 4 is provided at the inner bottom end of the lower shell 1, and a second heat conducting plate 6 is provided at the inner top end of the upper shell 2, so that heat can be quickly conducted. A plurality of limit blocks 5 are provided between the battery body 3 and the lower shell 1, which can fix the battery body 3 and prevent the battery body 3 from directly contacting the outer shell. Both the lower shell 1 and the upper shell 2 are made of alumina ceramic material, so that heat can be quickly conducted and the battery can be prevented from overheating, and the heat generated inside the battery can be prevented from being effectively dissipated, thereby causing an explosion or fire. Support plates 13 are fixedly provided at the four corners of the bottom end of the lower shell 1, and the distance from the bottom end of the four support plates 13 to the bottom end of the lower shell 1 is half of the thickness of the support plate 13 itself, so that the battery outer shell can be prevented from directly contacting the placement surface, resulting in difficulty in heat dissipation, thereby further improving the safety performance of the battery.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safe explosion-proof rechargeable battery, comprising a lower shell (1), an upper shell (2) and a battery body (3), characterized in that: The upper shell (2) is mounted on the top end of the lower shell (1); a first heat conducting plate (4) is arranged at the inner bottom end of the lower shell (1); a second heat conducting plate (6) is arranged at the inner top end of the upper shell (2); the battery body (3) is clamped between the first heat conducting plate (4) and the second heat conducting plate (6); a plurality of limit blocks (5) are clamped between the battery body (3) and the lower shell (1); and both the lower shell (1) and the upper shell (2) are made of alumina ceramic material.

2. A safe explosion-proof rechargeable battery according to claim 1, characterized in that: One side of the battery body (3) is electrically connected to a plurality of power lines (7), a wire outlet tube (9) is provided at the middle end of one side of the lower shell (1), a wiring device (10) is provided inside the wire outlet tube (9), and the plurality of power lines (7) are evenly arranged inside the wiring device (10).

3. A safe explosion-proof rechargeable battery according to claim 1, characterized in that: The upper shell (2) and the lower shell (1) are both provided with a plurality of fixing holes (14) on the outer sides thereof, and fixing bolts (15) are provided inside two fixing holes (14) that are opposite to each other and are fitted up and down. The outer ends of the plurality of fixing bolts (15) are all threadedly sleeved with fixing nuts (16).

4. A safe explosion-proof rechargeable battery according to claim 1, characterized in that: Support plates (13) are fixedly arranged at the four corners of the bottom end of the lower shell (1), and the distance from the bottom ends of the four support plates (13) to the bottom end of the lower shell (1) is half the thickness of the support plates (13) themselves.

5. A safe explosion-proof rechargeable battery according to claim 2, characterized in that: The outer end of the outlet pipe (9) is threadedly sleeved with a sealing cover (12), and the inner wall of the sealing cover (12) and the outer wall of the outlet pipe (9) are both provided with threads (11).

6. A safe explosion-proof rechargeable battery according to claim 1, characterized in that: One side of the lower housing (1) is connected to the battery body (3) via an electric wire and is provided with a charging interface (18).

7. A safe explosion-proof rechargeable battery according to claim 2, characterized in that: One end of the plurality of power lines (7) is sleeved with an insulating sleeve (8).

8. A safe explosion-proof rechargeable battery according to claim 1, characterized in that: An information nameplate (17) is provided on one side of the top end of the upper shell (2).