Battery pack boost voltage loss prevention protection device

Abstract

The utility model discloses a battery pack boost voltage loss prevention protection device, which comprises a shell, heat dissipation windows, heat dissipation fans, a top cover, a battery pack, an output line, a connecting lug, a boost converter, a functional circuit board and a circuit board outer cover, the left side of the shell is provided with two heat dissipation windows at equal intervals, and the two heat dissipation fans are arranged in the heat dissipation windows; the top cover is fixedly connected to the upper portion of the left side of the shell, the battery pack is placed in the left side of the shell, and the output line is electrically connected with the battery pack. The design structure of an existing battery pack is improved, and an additional boosting and voltage loss prevention protection device is additionally arranged, so that the battery pack is monitored in real time when the battery pack is normally used; potential safety hazards caused by voltage loss are prevented, and the safety of the battery pack is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery pack voltage-boosting anti-pressure-loss protection device. BACKGROUND

[0002] The battery pack is combined by a plurality of single batteries through series connection, parallel connection or mixed connection, forms a power supply system capable of providing stable voltage and current, and collects the energy storage and release capacity of each single battery to meet the higher energy demand or specific voltage requirement of equipment or application scene.

[0003] The currently used battery pack lacks a voltage-boosting anti-pressure-loss protection device, and has a safety hazard in actual use. UTILITY MODEL CONTENTS

[0004] The utility model discloses a battery pack voltage-boosting anti-pressure-loss protection device to solve the above technical problem.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A battery pack voltage-boosting anti-pressure-loss protection device, comprising a shell, a heat dissipation window, a heat dissipation fan, a top cover, a battery pack, an output line, a connecting protrusion, a voltage converter, a functional circuit board and a circuit board cover, two heat dissipation windows are equidistantly arranged on the left side of the shell, two heat dissipation fans are installed in the heat dissipation windows, the top cover is fixedly connected to the upper left side of the shell, the battery pack is placed in the left side of the shell, the output line is electrically connected to the battery pack, four connecting protrusions are equidistantly fixedly connected to the upper front side of the right side of the shell, the voltage converter is fixedly connected to the upper front side of the right side of the shell and electrically connected to the battery pack, the functional circuit board is bolted to the top of the front end of the right side, and the circuit board cover is bolted to the four connecting protrusions.

[0007] On the basis of the above technical scheme, the functional circuit board comprises a substrate, a control chip, a voltage detection circuit and a protection circuit, the control chip is fixedly connected to the top center of the substrate, the voltage detection circuit is fixedly connected to the top left side of the substrate, and the protection circuit is fixedly connected to the top right side of the substrate.

[0008] On the basis of the above technical scheme, the circuit board cover comprises a shell, fastening screws and a switch, four fastening screws are equidistantly bolted to the front end and tail end of the shell, and the switch is fixedly connected to the top left side of the shell and electrically connected to the functional circuit board.

[0009] Compared with the prior art, the utility model has the following advantages: the utility model improves the design structure of the existing battery pack, adds an additional voltage-boosting anti-pressure-loss protection device, realizes real-time monitoring of the battery pack during normal use, prevents safety hazards caused by pressure loss, and improves the safety of the battery pack.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the appearance structure schematic diagram of the utility model.

[0011] Fig. 2 It is the function circuit board structure schematic diagram of the utility model.

[0012] Fig. 3 It is the circuit board cover structure schematic diagram of the utility model.

[0013] In the drawing: 1. shell, 2. heat dissipation window, 3. heat dissipation fan, 4. top cover, 5. battery pack, 6. output line, 7. connecting boss, 8. boost converter, 9. function circuit board, 10. circuit board cover, 11. base plate, 12. control chip, 13. voltage detection circuit, 14. protection circuit, 15. shell, 16. fastening screw, 17. switch. DETAILED DESCRIPTION

[0014] The utility model will be further described in detail below in combination with the drawings and specific embodiment.

[0015] As Figs. 1-3 The utility model discloses a battery pack boost pressure loss protection device, including shell 1, heat dissipation window 2, heat dissipation fan 3, top cover 4, battery pack 5, output line 6, connecting boss 7, boost converter 8, function circuit board 9, circuit board cover 10, two heat dissipation windows 2 are equidistantly seted up on the left side of shell 1, two heat dissipation fans 3 are installed in heat dissipation window 2, top cover 4 is fixedly connected on the left side top of shell 1, battery pack 5 is placed in the left side inside of shell 1, output line 6 is electrically connected with battery pack, four connecting bosses 7 are equidistantly fixedly connected on the right side front top two sides of shell 1, boost converter 8 is fixedly connected on the right side front top of shell 1 and is electrically connected with battery pack 5, function circuit board 9 is bolted on the right side front top of 1, and circuit board cover 10 is bolted with four connecting bosses 7.

[0016] The function circuit board 9 includes base plate 11, control chip 12, voltage detection circuit 13, protection circuit 14, the control chip 12 is fixedly connected at the top center of base plate 11, the voltage detection circuit 13 is fixedly connected at the top left side of base plate 11, and the protection circuit 14 is fixedly connected at the top right side of base plate 11.

[0017] The circuit board cover 10 includes shell 15, fastening screw 16, switch 17, four fastening screws 16 are bolted on the front end and tail end of shell 15 equidistantly, the switch 17 is fixedly connected at the top left side of shell 15 and is electrically connected with function circuit board 9.

[0018] The utility model discloses a working principle: when the battery pack is inserted into the device, the voltage detection circuit will monitor the voltage of the battery pack in real time. If the voltage is normal, the boost converter will start and raise the voltage to the required output voltage. The cooling fan starts to dissipate the heat generated by the battery pack during the working process of the boost converter, preventing the device from overheating. If the voltage is lower than the set value, the control chip will trigger the anti-pressure loss protection function to cut off the power supply to protect the battery pack.

[0019] The above is the preferred embodiment of the utility model, and for those skilled in the art, according to the teaching of the utility model, the change, modification, replacement and modification of the implementation mode without departing from the principle and spirit of the utility model still fall within the protection scope of the utility model.

Claims

1. A battery pack voltage-boosting anti-pressure-loss protection device, comprising a shell (1), a heat dissipation window (2), a heat dissipation fan (3), a top cover (4), a battery pack (5), an output line (6), a connecting protrusion (7), a voltage converter (8), a functional circuit board (9), and a circuit board cover (10), characterized in that: The left side of the shell (1) is equidistantly provided with two heat dissipation windows (2), two heat dissipation fans (3) are installed in the heat dissipation windows (2), the top cover (4) is fixedly connected to the upper left side of the shell (1), the battery pack (5) is placed in the left side of the shell (1), the output line (6) is electrically connected with the battery pack, four connecting protrusions (7) are equidistantly and fixedly connected to the upper front side of the right side of the shell (1), the boost converter (8) is fixedly connected to the upper front side of the right side of the shell (1) and is electrically connected with the battery pack (5), the function circuit board (9) is bolted to the top of the front end of the right side of the shell (1), and the circuit board cover (10) is bolted with the four connecting protrusions (7).

2. The battery pack voltage boost anti-pressure loss protection device according to claim 1, characterized in that: The function circuit board (9) comprises a substrate (11), a control chip (12), a voltage detection circuit (13) and a protection circuit (14), the control chip (12) is fixedly connected to the top center of the substrate (11), the voltage detection circuit (13) is fixedly connected to the top left side of the substrate (11), and the protection circuit (14) is fixedly connected to the top right side of the substrate (11).

3. The battery overvoltage protection device of claim 1, wherein: The circuit board cover (10) comprises a shell (15), fastening screws (16) and a switch (17), the front end and the tail end of the shell (15) are equidistantly bolted with four fastening screws (16), the switch (17) is fixedly connected to the top left side of the shell (15) and is electrically connected with the function circuit board (9).

Images