BMS battery protection board with heat dissipation function

Abstract

The utility model provides a BMS battery protection board with a heat dissipation function, and particularly relates to the technical field of battery protection boards. The BMS battery protection board with the heat dissipation function comprises a main board and an auxiliary board, an adjusting connecting piece and a rotating connecting piece are arranged between the main board and the auxiliary board, the auxiliary board passes through the adjusting connecting piece and the rotating connecting piece, a heat dissipation mechanism is arranged on the edge of one side of the main board, and the heat dissipation mechanism blows air flow towards a gap between the main board and the auxiliary board. According to the utility model, the adjusting connecting piece and the rotating connecting piece are additionally arranged, the auxiliary plate is connected with the main plate through the adjusting connecting piece and the rotating connecting piece, and the adjusting connecting piece can adjust the distance between the auxiliary plate and the main plate through the matching of the rotating connecting piece; the distance between the main board and the auxiliary board can be increased when the temperature of the main board and the auxiliary board rises to a certain degree, so that heat dissipation is improved, and the heat dissipation effect of the battery board is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery protection boards, and in particular to a BMS battery protection board with a heat dissipation function. Background Art

[0002] A battery protection board, also known as a battery management system (BMS), is an integrated circuit board that primarily protects rechargeable batteries (generally lithium batteries). The need for protection for rechargeable lithium batteries stems from their inherent characteristics. Because lithium batteries' materials inherently resist overcharge, over-discharge, overcurrent, short circuits, and ultra-high-temperature charging and discharging, lithium battery components are always accompanied by a protection board with a sampling resistor and a current fuse.

[0003] Some battery protection boards with complex functions are divided into a main board and a sub-board. The sub-board can realize a certain function independently. The sub-board is usually fixed to the main board. Since there are many electronic components installed on the main board and the sub-board, the heat dissipation is large, and the distance between the main board and the sub-board is small, resulting in poor heat dissipation effect. Utility Model Content

[0004] In order to solve the technical problem that the distance between the main board and the auxiliary board of the above-mentioned battery protection board is small, resulting in poor heat dissipation effect, the utility model provides a BMS battery protection board with heat dissipation function.

[0005] The BMS battery protection board with heat dissipation function provided by the utility model includes: a main board and a sub-board, an adjustable connector and a rotating connector are provided between the main board and the sub-board, and a heat dissipation mechanism is provided on one edge of the main board through the adjustable connector and the rotating connector, and the heat dissipation mechanism blows air toward the gap between the main board and the sub-board.

[0006] Preferably, the adjustment connector includes a fixed base, which is fixedly connected to the surface of the mainboard. A groove is provided on the upper surface of the fixed base, and a support plate is provided at the notch of the groove. The support plate is rotatably connected to the fixed base.

[0007] Preferably, an adjustment plate is provided on one side of the support plate, and the adjustment plate is rotatably connected to the support plate.

[0008] Preferably, the adjustment connecting piece also includes an electromagnet, which is arranged on the side wall of the fixed base groove. A return spring is provided on one side of the electromagnet, and an iron block is adsorbed on one side of the return spring. Both ends of the return spring are fixedly connected to the electromagnet and the adsorption magnet respectively.

[0009] Preferably, an adjustment rod is provided on one side of the adsorption magnet, one end of the adjustment rod is rotatably connected to the adsorption magnet, and the other end of the adjustment rod is rotatably connected to the adjustment plate.

[0010] Preferably, the heat dissipation mechanism includes an air collecting duct, and multiple sets of fixing buckles are fixedly connected to the side of the mainboard. The air collecting duct is clamped to the edge of the mainboard through the fixing buckles, and multiple sets of air outlet holes are opened on the surface of the air collecting duct.

[0011] Preferably, a wind collecting box is provided at one end of the wind collecting pipe, and the wind collecting pipe is connected to the wind collecting box.

[0012] Compared with related technologies, the BMS battery protection board with heat dissipation function provided by the present invention has the following beneficial effects:

[0013] The utility model adds an adjusting connector and a rotating connector, and the auxiliary board is connected to the main board through the adjusting connector and the rotating connector. The adjusting connector can adjust the distance between the auxiliary board and the main board through the cooperation of the rotating connector. When the temperature of the main board and the auxiliary board rises to a certain level, the distance between the main board and the auxiliary board can be increased to increase heat dissipation and improve the heat dissipation effect of the battery panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a preferred embodiment of a BMS battery protection board with heat dissipation function provided by the utility model;

[0015] Figure 2 This is a schematic structural diagram of the limiting structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the feeding structure of the present utility model.

[0017] Numbers in the figure:

[0018] 1. Main board; 2. Sub-board; 3. Adjustment connector; 31. Fixed base; 32. Support plate; 33. Adjustment plate; 34. Electromagnet; 35. Return spring; 36. Adsorption iron block; 37. Adjustment rod; 4. Heat dissipation mechanism; 41. Air collecting pipe; 42. Air collecting box; 43. Fixing buckle; 5. Rotation connector. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances. "Multiple" in this specification refers to two or more.

[0021] Throughout this specification, references to the terms "embodiment," "one embodiment," and "one implementation" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or implementation are included in at least one embodiment or implementation of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or implementation. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

[0022] Combine Figure 1-3 As shown, an embodiment of the present invention provides a BMS battery protection board with a heat dissipation function, including: a main board 1 and a sub-board 2, an adjustment connector 3 and a rotating connector 5 are provided between the main board 1 and the sub-board 2, and the sub-board 2 is connected through the adjustment connector 3 and the rotating connector 5. A heat dissipation mechanism 4 is provided on one edge of the main board 1, and the heat dissipation mechanism 4 blows air toward the gap between the main board 1 and the sub-board 2.

[0023] Specifically: the adjustment connector 3 includes a fixed base 31, which is fixedly connected to the surface of the mainboard 1. A groove is provided on the upper surface of the fixed base 31, and a support plate 32 is provided at the notch of the groove. The support plate 32 is rotatably connected to the fixed base 31.

[0024] Specifically, an adjustment plate 33 is provided on one side of the support plate 32 , and the adjustment plate 33 is rotatably connected to the support plate 32 .

[0025] Specifically: the adjusting connecting member 3 also includes an electromagnet 34, which is arranged on the side wall of the groove of the fixed base 31. A return spring 35 is provided on one side of the electromagnet 34, and an iron block 36 is adsorbed on one side of the return spring 35. The two ends of the return spring 35 are fixedly connected to the electromagnet 34 and the adsorption magnet respectively.

[0026] Specifically, an adjustment rod 37 is provided on one side of the adsorption magnet, one end of the adjustment rod 37 is rotatably connected to the adsorption magnet, and the other end of the adjustment rod 37 is rotatably connected to the adjustment plate 33.

[0027] The specific structure of the adjustment connector 3 can be found in Figure 3When the gap between the sub-board 2 and the main board 1 is minimum, the support plate 32 is horizontal and covers the notch of the fixed base 31. At this time, the adjustment plate 33 is tilted and abuts against the notch of the fixed base 31. At the same time, the electromagnet 34 is de-energized, the return spring 35 is expanded, and the adsorption iron block 36 is pushed away from the electromagnet 34 and connected to the adjustment plate 33 through the adjustment rod 37 and applies a supporting force to the adjustment plate 33. The adjustment connector 3 supports the sub-board 2 to be stably parallel to the surface of the main board 1. When the temperature of the battery protection board rises, the electromagnet 34 can be energized by controlling the electromagnet 34. The energized electromagnet 34 generates a magnetic field and generates an adsorption force on the adsorption iron block 36. The adsorption force overcomes the resistance of the return spring 35 and pulls the adsorption iron block 36 toward the electromagnet 34. At the same time, the adjustment plate 33 is driven toward the electromagnet 34 through the adjustment rod 37. The angle between the adjustment plate 33 and the support plate 32 is reduced and one end of the sub-board 2 is lifted, the gap between the sub-board 2 and the main board 1 is increased, and the heat dissipation effect is improved.

[0028] Specifically: the heat dissipation mechanism 4 includes an air collecting pipe 41, and multiple sets of fixing buckles 43 are fixedly connected to the side of the mainboard 1. The air collecting pipe 41 is clamped to the edge of the mainboard 1 through the fixing buckles 43, and multiple sets of air outlet holes are opened on the surface of the air collecting pipe 41.

[0029] Specifically, an air collecting box 42 is provided at one end of the air collecting pipe 41 , and the air collecting pipe 41 is connected to the air collecting box 42 .

[0030] The air collecting box 42 can be set outside the battery protection board shell to collect the airflow outside the battery protection board and introduce it into the air collecting pipe 41, and then blow it out from the air outlet on the air collecting pipe 41. The air outlet is opposite to the gap between the main board 1 and the sub-board 2. The heat dissipation effect of the battery protection board can be improved through the heat dissipation mechanism 4.

[0031] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the present utility model.

Claims

1. A BMS battery protection board with heat dissipation function, comprising: A main board (1) and a sub-board (2), characterized in that an adjusting connector (3) and a rotating connector (5) are provided between the main board (1) and the sub-board (2), the sub-board (2) is connected via the adjusting connector (3) and the rotating connector (5), and a heat dissipation mechanism (4) is provided on one edge of the main board (1), and the heat dissipation mechanism (4) blows air toward the gap between the main board (1) and the sub-board (2).

2. The BMS battery protection board with heat dissipation function according to claim 1, characterized in that: The adjusting connecting member (3) comprises a fixed base (31), the fixed base (31) is fixedly connected to the surface of the main board (1), a groove is provided on the upper surface of the fixed base (31), a support plate (32) is provided at the notch of the groove, and the support plate (32) is rotatably connected to the fixed base (31).

3. The BMS battery protection board with heat dissipation function according to claim 2, characterized in that: An adjustment plate (33) is provided on one side of the support plate (32), and the adjustment plate (33) is rotatably connected to the support plate (32).

4. The BMS battery protection board with heat dissipation function according to claim 1, characterized in that: The adjusting connecting member (3) further comprises an electromagnet (34), the electromagnet (34) being arranged on the side wall of the groove of the fixed base (31), a return spring (35) being arranged on one side of the electromagnet (34), an iron block (36) being attracted on one side of the return spring (35), and two ends of the return spring (35) being fixedly connected to the electromagnet (34) and the adsorption magnet respectively.

5. The BMS battery protection board with heat dissipation function according to claim 4, characterized in that: An adjusting rod (37) is provided on one side of the adsorption magnet. One end of the adjusting rod (37) is rotatably connected to the adsorption magnet, and the other end of the adjusting rod (37) is rotatably connected to the adjustment plate (33).

6. The BMS battery protection board with heat dissipation function according to claim 1, characterized in that: The heat dissipation mechanism (4) includes an air collecting pipe (41), a plurality of fixed buckles (43) are fixedly connected to the side of the main board (1), the air collecting pipe (41) is clamped to the edge of the main board (1) through the fixed buckles (43), and a plurality of air outlet holes are provided on the surface of the air collecting pipe (41).

7. The BMS battery protection board with heat dissipation function according to claim 6, characterized in that: One end of the air collecting pipe (41) is provided with an air collecting box (42), and the air collecting pipe (41) is connected to the air collecting box (42).

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