Battery adapter plate with short circuit protection function

By integrating the protection module and control chip on the battery adapter board, monitoring the current and powering off during short circuit, the problem of the existing battery adapter board lacks short circuit protection function, and the safe and reliable use of the battery is achieved.

CN222215179UActive Publication Date: 2024-12-20HUIZHOU LANGDA IND CO LTD
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Patent Information

Application Number
CN202420538574.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2024-12-20
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

The existing battery adapter board lacks short-circuit protection function, which leads to explosion accidents in lithium batteries during use.

Method used

A battery adapter board including a PCB board, a positive conductive sheet, a positive electrode sheet, a negative conductive sheet, a negative electrode sheet and a protection component is designed. The current of the positive electrode sheet is monitored through the input protection module and the output protection module is protected. Monitor the current of the positive conductive sheet and when a short circuit occurs, power off in time to protect the battery.

Benefits of technology

It realizes the short-circuit protection function of the battery adapter board, which is convenient to use, safe and reliable, and avoids battery explosion accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a battery adapter plate with a short circuit protection function, which comprises a PCB (printed circuit board), a positive conducting strip, a positive electrode plate, a negative conducting strip, a negative electrode plate and a protection component, the positive conducting strip and the positive electrode plate are respectively attached to two sides of the PCB, and the positive conducting strip and the positive electrode plate are respectively and electrically connected with the PCB; the negative conducting plate and the negative electrode plate are respectively attached to two sides of the PCB, the negative electrode plate is arranged on one side of the positive electrode plate, the negative conducting plate is arranged on one side of the positive conducting plate, and the negative conducting plate and the negative electrode plate are respectively electrically connected with the PCB; the protection assembly comprises an input end protection module and an output end protection module, the input end protection module and the output end protection module are electrically connected with the PCB, the input end protection module is used for monitoring the current of the positive electrode plate, and the output end protection module is used for monitoring the current of the positive conductive plate. According to the battery adapter plate, the input end protection module monitors the current of the positive electrode plate, the output end protection module monitors the current of the positive conducting plate, and when a short circuit occurs, power is cut off in time, so that the battery is protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery adapter plate with a short-circuit protection function. Background Art

[0002] With the development of science and technology, lithium batteries are widely used in daily life. At present, battery adapters are generally installed on electronic products, and lithium batteries are electrically connected to the battery adapters. However, battery adapters do not have short-circuit protection functions. Since lithium batteries have very active chemical properties, if a short circuit occurs during use, it is easy to cause an explosion accident. Utility Model Content

[0003] Based on this, it is necessary to provide a safe and reliable battery adapter board with short-circuit protection function to address the above problems.

[0004] A battery adapter board with a short-circuit protection function comprises a PCB board, a positive conductive sheet, a positive electrode sheet, a negative conductive sheet, a negative electrode sheet and a protection component, wherein the positive conductive sheet and the positive electrode sheet are respectively attached to the two sides of the PCB board, and the positive conductive sheet and the positive electrode sheet are respectively electrically connected to the PCB board; the negative conductive sheet and the negative electrode sheet are respectively attached to the two sides of the PCB board, the negative electrode sheet is arranged on one side of the positive electrode sheet, and the negative conductive sheet is arranged on one side of the positive conductive sheet, and the negative conductive sheet and the negative electrode sheet are respectively electrically connected to the PCB board; the protection component comprises an input end protection module and an output end protection module, the input end protection module and the output end protection module are both electrically connected to the PCB board, the input end protection module is used to monitor the current of the positive electrode sheet, and the output end protection module is used to monitor the current of the positive conductive sheet.

[0005] In one embodiment, the protection component further includes a control board and a control chip electrically connected to the control board, and the control board is electrically connected to the input end protection module and the output end protection module respectively.

[0006] In one embodiment, the PCB board is provided with a first copper hole and a second copper hole, the first copper hole corresponds to the positive conductive sheet, and the second copper hole corresponds to the negative conductive sheet.

[0007] In one embodiment, the positive conductive sheet is provided with a first through hole connected to the first copper hole, the negative conductive sheet is provided with a second through hole, the negative electrode sheet is provided with a third through hole, one end of the second copper hole is connected to the second through hole, and the other end is connected to the third through hole.

[0008] In one embodiment, the number of the positive conductive sheets is two, the number of the negative conductive sheet is one, and the two positive conductive sheets are spaced apart at two ends of the negative conductive sheet.

[0009] In one of the embodiments, a spacer is further included, and the spacer is disposed between the negative conductive sheet and the positive conductive sheet.

[0010] In one embodiment, both sides of the PCB board are coated with an insulating layer.

[0011] In one embodiment, the insulating layer is marked with a positive pole symbol “+” corresponding to the positive electrode sheet and a negative pole symbol “-” corresponding to the negative electrode sheet.

[0012] In one embodiment, the positive conductive sheet, the positive electrode sheet, the negative electrode sheet and the negative conductive sheet are all copper sheets.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The battery adapter board with short-circuit protection function of the utility model is electrically connected to the battery through the positive electrode sheet and the negative electrode sheet respectively, and the positive conductive sheet and the negative conductive sheet are electrically connected to the electronic products respectively, so as to realize power supply; the current of the positive electrode sheet is monitored by the input end protection module, and the current of the positive conductive sheet is monitored by the output end protection module. When a short circuit occurs, the power is cut off in time, so as to protect the battery; the battery adapter board with short-circuit protection function is easy to use, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a battery adapter board with a short-circuit protection function shown in an embodiment of the utility model;

[0016] Figure 2 for Figure 1 A cross-sectional view of a battery adapter board with short-circuit protection function is shown.

[0017] Figure 3 for Figure 1 A top view of a battery adapter board with short-circuit protection function is shown.

[0018] The meanings of the numbers in the accompanying drawings are:

[0019] 100. Battery adapter board with short circuit protection function;

[0020] 10. PCB board; 11. Insulating layer; 12. First copper hole; 13. Second copper hole; 20. Positive conductive sheet; 21. First through hole; 30. Positive electrode sheet; 40. Negative conductive sheet; 41. Second through hole; 50. Negative electrode sheet; 51. Third through hole; 60. Protection component; 61. Input protection module; 62. Output protection module; 63. Control board; 70. Spacer. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] Please refer to Figures 1 to 3 , is a battery adapter board 100 with short-circuit protection function in an embodiment of the utility model, including a PCB board 10, a positive conductive sheet 20, a positive electrode sheet 30, a negative conductive sheet 40, a negative electrode sheet 50 and a protection component 60, the positive conductive sheet 20 and the positive electrode sheet 30 are respectively attached to the two sides of the PCB board 10, and the positive conductive sheet 20 and the positive electrode sheet 30 are respectively electrically connected to the PCB board 10; the negative conductive sheet 40 and the negative electrode sheet 50 are respectively attached to the two sides of the PCB board 10, the negative electrode sheet 50 is arranged on one side of the positive electrode sheet 30, the negative conductive sheet 40 is arranged on one side of the positive conductive sheet 20, and the negative conductive sheet 40 and the negative electrode sheet 50 are respectively electrically connected to the PCB board 10; the protection component 60 includes an input end protection module 61 and an output end protection module 62, the input end protection module 61 and the output end protection module 62 are both electrically connected to the PCB board 10, the input end protection module 61 is used to monitor the current of the positive electrode sheet 30, and the output end protection module 62 is used to monitor the current of the positive conductive sheet 20. The battery adapter board 100 with short-circuit protection function is electrically connected to the battery through the positive electrode sheet 30 and the negative electrode sheet 50, and the positive conductive sheet 20 and the negative conductive sheet 40 are electrically connected to electronic products to realize power supply; the current of the positive electrode sheet 30 is monitored by the input end protection module 61, and the current of the positive conductive sheet 20 is monitored by the output end protection module 62. When a short circuit occurs, the power is cut off in time to protect the battery.

[0028] like Figures 1 to 3As shown, in this embodiment, both sides of the PCB board 10 are coated with an insulating layer 11; optionally, the insulating layer 11 is marked with a positive electrode symbol "+" corresponding to the positive electrode sheet 30 and a negative electrode symbol "-" corresponding to the negative electrode sheet 50, so as to identify the inserted battery. Further, the PCB board 10 is provided with a first copper hole 12 and a second copper hole 13 to accommodate the terminals of the electronic product to achieve electrical conduction; the first copper hole 12 corresponds to the positive conductive sheet 20, and the second copper hole 13 corresponds to the negative conductive sheet 40.

[0029] Please also read Figure 1 and Figure 3 , the positive conductive sheet 20 and the positive electrode sheet 30 are respectively attached to the two sides of the PCB board 10, and the positive conductive sheet 20 and the positive electrode sheet 30 are respectively electrically connected to the PCB board 10; the negative conductive sheet 40 and the negative electrode sheet 50 are respectively attached to the two sides of the PCB board 10, the negative electrode sheet 50 is arranged on one side of the positive electrode sheet 30, and the negative conductive sheet 40 is arranged on one side of the positive conductive sheet 20, and the negative conductive sheet 40 and the negative electrode sheet 50 are respectively electrically connected to the PCB board 10; the positive electrode sheet 30 and the negative electrode sheet 50 are respectively electrically connected to the battery, and the positive conductive sheet 20 and the negative conductive sheet 40 are respectively electrically connected to the electronic product to realize power supply. Optionally, the positive conductive sheet 20 is provided with a first through hole 21 connected to the first copper hole 12 to accommodate the terminal of the electronic product; the negative conductive sheet 40 is provided with a second through hole 41, and the negative electrode sheet 50 is provided with a third through hole 51, one end of the second copper hole 13 is connected to the second through hole 41, and the other end is connected to the third through hole 51 to accommodate the terminal of the electronic product to realize the conductive and fixing function.

[0030] In one embodiment, there are two positive conductive sheets 20 and one negative conductive sheet 40, and the two positive conductive sheets 20 are spaced apart at both ends of the negative conductive sheet 40. Optionally, the number of first through holes 21 on the two positive conductive sheets 20 is different, which plays a role in identification and facilitates installation. In one embodiment, the positive conductive sheet 20, the positive electrode sheet 30, the negative electrode sheet 50 and the negative conductive sheet 40 are all copper sheets.

[0031] like Figure 1 and Figure 2As shown, the protection component 60 includes an input protection module 61 and an output protection module 62, and the input protection module 61 and the output protection module 62 are both electrically connected to the PCB board 10. The input protection module 61 is used to monitor the current of the positive electrode sheet 30, and the output protection module 62 is used to monitor the current of the positive conductive sheet 20. When a short circuit occurs during use, the current is too large and the circuit is powered off in time. Optionally, the protection component 60 also includes a control board 63 and a control chip (not shown) electrically connected to the control board. The control board 63 is electrically connected to the input protection module 61 and the output protection module 62 respectively. The input protection module 61, the output protection module 62, the control board 63 and the control chip cooperate to play a short circuit protection role. When a short circuit occurs during use, the control chip controls the input protection module 61 and the output protection module 62 to power off, thereby protecting the battery.

[0032] like Figure 3 As shown, the battery adapter board 100 with short circuit protection function further includes a spacer 70, and the spacer 70 is disposed between the negative conductive sheet 40 and the positive conductive sheet 20; optionally, the spacer 70 is made of insulating material.

[0033] When in use, the positive electrode sheet 30 and the negative electrode sheet 50 are electrically connected to the battery respectively, and the terminals of the electronic product are inserted between the positive conductive sheet 20 and the PCB board 10, and the negative conductive sheet 40 and the PCB board 10, to achieve electrical connection and play a fixing role; the current of the positive electrode sheet 30 is monitored by the input end protection module 61, and the current of the positive conductive sheet 20 is monitored by the output end protection module 62, and the control board is electrically connected to the input end protection module 61 and the output end protection module 62 respectively. When a short circuit occurs during use, the control chip controls the input end protection module 61 and the output end protection module 62 to cut off power, thereby protecting the battery; the battery is detachably connected to the positive electrode sheet 30 and the negative electrode sheet 50, which is convenient for disassembly and replacement of the battery, so that the electronic product body and the battery are separated, shortening the length of the electronic product body and thus reducing its volume and packaging. Moreover, the electronic product body and the battery are transported according to different transportation categories, thereby reducing transportation costs.

[0034] The battery adapter plate 100 with short-circuit protection function of the present invention is electrically connected to the battery through the positive electrode sheet 30 and the negative electrode sheet 50, and the positive conductive sheet 20 and the negative conductive sheet 40 are electrically connected to the electronic products respectively, so as to realize power supply; the current of the positive electrode sheet 30 is monitored by the input end protection module 61, and the current of the positive conductive sheet 20 is monitored by the output end protection module 62. When a short circuit occurs, the power is cut off in time to protect the battery; the battery adapter plate 100 with short-circuit protection function is easy to use, safe and reliable.

[0035] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A battery adapter board with short circuit protection function, characterized in that: It includes a PCB board, a positive conductive sheet, a positive electrode sheet, a negative conductive sheet, a negative electrode sheet and a protection component, wherein the positive conductive sheet and the positive electrode sheet are respectively attached to the two sides of the PCB board, and the positive conductive sheet and the positive electrode sheet are respectively electrically connected to the PCB board; the negative conductive sheet and the negative electrode sheet are respectively attached to the two sides of the PCB board, the negative electrode sheet is arranged on one side of the positive electrode sheet, and the negative conductive sheet is arranged on one side of the positive conductive sheet, and the negative conductive sheet and the negative electrode sheet are respectively electrically connected to the PCB board; the protection component includes an input end protection module and an output end protection module, the input end protection module and the output end protection module are both electrically connected to the PCB board, the input end protection module is used to monitor the current of the positive electrode sheet, and the output end protection module is used to monitor the current of the positive conductive sheet.

2. The battery adapter board with short circuit protection function according to claim 1, characterized in that: The protection component also includes a control board and a control chip electrically connected to the control board, and the control board is electrically connected to the input end protection module and the output end protection module respectively.

3. The battery adapter board with short circuit protection function according to claim 1, characterized in that: The PCB board is provided with a first copper hole and a second copper hole, the first copper hole corresponds to the positive conductive sheet, and the second copper hole corresponds to the negative conductive sheet.

4. The battery adapter board with short circuit protection function according to claim 3, characterized in that: The positive conductive sheet is provided with a first through hole connected to the first copper hole, the negative conductive sheet is provided with a second through hole, the negative electrode sheet is provided with a third through hole, one end of the second copper hole is connected to the second through hole, and the other end is connected to the third through hole.

5. The battery adapter board with short circuit protection function according to claim 1, characterized in that: There are two positive conductive sheets and one negative conductive sheet. The two positive conductive sheets are respectively arranged at two ends of the negative conductive sheet at intervals.

6. The battery adapter board with short circuit protection function according to claim 5, characterized in that: It also includes a spacer bar, which is arranged between the negative conductive sheet and the positive conductive sheet.

7. The battery adapter board with short circuit protection function according to claim 1, characterized in that: Both sides of the PCB board are coated with an insulating layer.

8. The battery adapter board with short circuit protection function according to claim 7, characterized in that: The insulating layer is marked with a positive electrode symbol "+" corresponding to the positive electrode sheet and a negative electrode symbol "-" corresponding to the negative electrode sheet.

9. The battery adapter board with short circuit protection function according to claim 1, characterized in that: The positive conductive sheet, the positive electrode sheet, the negative electrode sheet and the negative conductive sheet are all copper sheets.