Variable-voltage battery pack

Abstract

The utility model discloses a variable-voltage battery pack which comprises a bottom cover, a shell is installed at the upper end of the bottom cover, a sampling circuit board is installed at the inner side of the shell, a voltage transformation assembly is arranged at the upper end of a control panel, a spring is arranged at the left end of the voltage transformation assembly, and the sampling circuit board is arranged at the right end of the control panel. According to the device, a ventilation plate is arranged at the upper end of the upper cover, the ventilation plate is clamped to the inner portion of a groove of the upper cover through a clamping plate, the heat dissipation effect in the shell can be improved through disassembly of the ventilation plate, and therefore the heat dissipation effect of the interior of the shell can be improved, and the heat dissipation effect of the interior of the shell can be improved. During disassembly, a rotating handle is rotated, so that a gear shaft drives a square column to move, and the ventilation plate can be disassembled by moving the square column out of an insertion hole in the upper cover, so that the internal heat dissipation effect is improved, the normal working temperature of the battery pack is favorably kept, the performance of the battery is improved, and the service life of the battery is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field related to variable voltage battery packs, and specifically relates to a variable voltage battery pack. Background Art

[0002] A variable voltage battery pack is a battery assembly that can adjust the voltage output as needed. It is usually composed of multiple battery cells, and the voltage output can be changed by connecting or disconnecting different numbers of battery cells. This design makes the battery pack suitable for different electronic devices or systems and provides different voltage requirements. Variable voltage battery packs are usually used in applications that require flexible voltage output, such as mobile power supplies, solar energy storage systems, etc.

[0003] The heat dissipation holes in the upper cover cannot be disassembled, which will limit the dissipation of heat and cause the temperature inside the battery pack to rise. Therefore, the market needs a new device to solve the current problems. Utility Model Content

[0004] The purpose of the utility model is to provide a variable voltage battery pack to solve the problem that the heat dissipation holes in the upper cover proposed in the above-mentioned background technology cannot be disassembled, which will limit the dissipation of heat and cause the internal temperature of the battery pack to increase. Therefore, the market needs a new device to solve the current problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a variable voltage battery pack, comprising a bottom cover, a shell is installed at the upper end of the bottom cover, a sampling circuit board is installed at the inner side of the shell, a control board is arranged at the upper end of the sampling circuit board, a transformer assembly is arranged at the upper end of the control board, a spring is arranged at the left end of the transformer assembly, a push rod is arranged at the right end of the transformer assembly, a gold finger male needle is arranged at the left end of the transformer assembly, a gold finger female seat is arranged at the right end of the transformer assembly, and the outer An upper cover is installed at the upper end of the shell, a pressure cover is clamped at the upper end of the upper cover, a ventilation plate is installed at the upper end of the upper cover, the ventilation plate is installed with the upper cover via clamping plates at the left and right end positions, a rotating handle is installed at the upper end of the ventilation plate, the rotating handle can control the rotation of the gear column fixed at the lower end position, the rotation of the gear column enables the square column sleeved at the inner position of the ventilation plate to move, the square column is clamped with the gear column via the gear structure at the side end surface position, the movement of the square column can enter the insertion hole located at the inner position of the upper cover.

[0006] Preferably, the push rod can cause the gold finger male needle and the gold finger female seat to move when being pushed.

[0007] Preferably, a female connection groove is provided at a middle position between the gold finger male pin and the gold finger female seat.

[0008] Preferably, the housing wraps the sampling circuit board at an inner position, and the control board is installed at an upper end position of the sampling circuit board.

[0009] Preferably, the upper cover discharges the heat generated by the transformer assembly through a ventilation plate, and the ventilation plate is clamped at the upper end of the upper cover through a clamping plate.

[0010] Preferably, the thickness of the snap-in plate is smaller than the thickness of the ventilation plate, and the snap-in plate is snap-connected at an inner position of the groove of the upper cover.

[0011] Preferably, the rotating handle can control the gear column to rotate, and the square column moves through the gear structure when the gear structure rotates.

[0012] Preferably, the square column can move into an inner position of the insertion hole.

[0013] Compared with the prior art, the utility model provides a variable voltage battery pack, which has the following beneficial effects:

[0014] The device is provided with a ventilation plate at the upper end of the upper cover, and the ventilation plate is clamped to the inner position of the groove of the upper cover through a clamping plate. The removal of the ventilation plate can increase the heat dissipation effect inside the outer shell. When disassembling, the rotating handle is turned to make the gear shaft drive the square column to move. The square column is removed from the insertion hole in the upper cover to remove the ventilation plate, so that the internal heat dissipation effect is increased, which helps to maintain the normal operating temperature of the battery pack and improve the performance and life of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of a variable voltage battery pack structure.

[0016] Figure 2 The utility model is a schematic diagram of the internal structure of a variable voltage battery pack.

[0017] Figure 3 The utility model is a schematic diagram of the structure of a variable voltage battery pack voltage transformer assembly.

[0018] Figure 4 The utility model is a schematic diagram of the internal structure of a variable pressure battery pack ventilation plate.

[0019] In the figure: 1. Pressure cover; 2. Push rod; 3. Upper cover; 4. Outer shell; 5. Bottom cover; 6. Spring; 7. Transformer assembly; 8. Control board; 9. Sampling circuit board; 10. Gold finger female socket; 11. Gold finger male pin; 12. Ventilation plate; 13. Rotating handle; 14. Snap-on plate; 15. Square column; 16. Gear column; 17. Insertion hole; 18. Gear structure. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 A variable voltage battery pack shown in the figure comprises a bottom cover 5, a shell 4 is installed at the upper end of the bottom cover 5, a sampling circuit board 9 is installed at the inner side of the shell 4, a control board 8 is arranged at the upper end of the sampling circuit board 9, a transformer assembly 7 is arranged at the upper end of the control board 8, a spring 6 is arranged at the left end of the transformer assembly 7, a push rod 2 is arranged at the right end of the transformer assembly 7, a gold finger male needle 11 is arranged at the left end of the transformer assembly 7, a gold finger female seat 10 is arranged at the right end of the transformer assembly 7, an upper cover 3 is installed at the upper end of the shell 4, and the upper cover 3 is provided with a spring 6 at the left end of the transformer assembly 7. A pressure cover 1 is clamped at the upper end, a ventilation plate 12 is installed at the upper end of the upper cover 3, the ventilation plate 12 is installed with the upper cover 3 through clamping plates 14 located at the left and right end positions, a rotating handle 13 is installed at the upper end of the ventilation plate 12, the rotating handle 13 can control the rotation of a gear column 16 fixed at the lower end position, the rotation of the gear column 16 enables the square column 15 sleeved at the inner position of the ventilation plate 12 to move, the square column 15 is clamped with the gear column 16 through the gear structure 18 at the side end surface position, and the movement of the square column 15 can enter the insertion hole 17 located at the inner position of the upper cover 3.

[0022] There are two groups of gold fingers, which are gold fingers of two different circuits. One group is twelve pings and two pings are one ping. To increase the current value, push the push rod 2, and the two groups of gold fingers move synchronously. There is a female connector in the middle of the two gold fingers. When working, one group of gold fingers must be connected to the female connector, and the other group is idle. When converting, push the push rod 2, and the two groups of gold fingers convert to each other to achieve the purpose of voltage conversion. The voltage of one group of gold fingers is a parallel voltage, and there are multiple batteries inside. They are first connected in parallel to multiple battery groups, and then the battery groups are connected in parallel. The voltage of one group of gold fingers is a series voltage, and there are multiple batteries inside. They are first connected in parallel to multiple battery groups, and then the battery groups are connected in series.

[0023] like Figure 1 and Figure 4 As shown, when the push rod 2 is pushed, the gold finger male needle 11 and the gold finger female seat 10 can be moved. A female connection groove is provided at the middle position of the gold finger male needle 11 and the gold finger female seat 10. The housing 4 wraps the sampling circuit board 9 at the inner position. The control board 8 is installed at the upper end position of the sampling circuit board 9. The upper cover 3 discharges the heat generated by the transformer assembly 7 through the ventilation plate 12. The ventilation plate 12 is clamped at the upper end position of the upper cover 3 through the clamping plate 14. The thickness of the clamping plate 14 is less than the thickness of the ventilation plate 12. The clamping plate 14 is clamped at the inner position of the groove of the upper cover 3. The handle 13 can control the gear column 16 to rotate. The square column 15 moves through the gear structure 18 when the gear structure 18 rotates. The square column 15 can enter the inner position of the insertion hole 17 by moving.

[0024] A ventilation plate 12 is provided at the upper end of the upper cover 3, and the ventilation plate 12 is clamped in the inner position of the groove of the upper cover 3 through the clamping plate 14. The removal of the ventilation plate 12 can increase the heat dissipation effect inside the outer shell 4. When disassembling, the rotating handle 13 is rotated to make the gear shaft drive the square column 15 to move. The square column 15 is removed from the insertion hole 17 in the upper cover 3 to remove the ventilation plate 12, so that the internal heat dissipation effect is increased, which helps to maintain the normal operating temperature of the battery pack and improve the performance and life of the battery.

[0025] 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 variable voltage battery pack, characterized in that: The invention comprises a bottom cover (5), a housing (4) is installed at the upper end of the bottom cover (5), a sampling circuit board (9) is installed at the inner side of the housing (4), a control board (8) is arranged at the upper end of the sampling circuit board (9), a transformer assembly (7) is arranged at the upper end of the control board (8), a spring (6) is arranged at the left end of the transformer assembly (7), a push rod (2) is arranged at the right end of the transformer assembly (7), a gold finger male needle (11) is arranged at the left end of the transformer assembly (7), a gold finger female seat (10) is arranged at the right end of the transformer assembly (7), an upper cover (3) is installed at the upper end of the housing (4), and the upper end of the upper cover (3) is provided with a spring (6) at the left end of the transformer assembly (7), and a push rod (2) is arranged at the right end of the transformer assembly (7). A pressure cover (1) is clamped at a position, a ventilation plate (12) is installed at the upper end position of the upper cover (3), the ventilation plate (12) is installed with the upper cover (3) through clamping plates (14) located at the left and right end positions, a rotating handle (13) is installed at the upper end position of the ventilation plate (12), the rotating handle (13) can control the rotation of a gear column (16) fixed at the lower end position, the rotation of the gear column (16) causes a square column (15) sleeved at an inner position of the ventilation plate (12) to move, the square column (15) is clamped with the gear column (16) through a gear structure (18) at the side end surface position, and the movement of the square column (15) can enter the insertion hole (17) located at the inner position of the upper cover (3).

2. A variable voltage battery pack according to claim 1, characterized in that: When the push rod (2) is pushed, the gold finger male needle (11) and the gold finger female seat (10) can move.

3. A variable voltage battery pack according to claim 2, characterized in that: A female connection groove is provided at the middle position between the gold finger male needle (11) and the gold finger female seat (10).

4. The variable voltage battery pack according to claim 1, characterized in that: The housing (4) wraps the sampling circuit board (9) at an inner position, and the control board (8) is installed at an upper end position of the sampling circuit board (9).

5. The variable voltage battery pack according to claim 1, characterized in that: The upper cover (3) discharges the heat generated by the transformer assembly (7) through a ventilation plate (12), and the ventilation plate (12) is clamped at the upper end of the upper cover (3) through a clamping plate (14).

6. A variable voltage battery pack according to claim 5, characterized in that: The thickness of the clamping plate (14) is smaller than the thickness of the ventilation plate (12), and the clamping plate (14) is clamped at an inner position of the groove of the upper cover (3).

7. The variable voltage battery pack according to claim 1, characterized in that: The rotating handle (13) can control the gear column (16) to rotate, and the square column (15) moves through the gear structure (18) when the gear structure (18) rotates.

8. The variable voltage battery pack according to claim 7, characterized in that: The square column (15) can move into the inner position of the insertion hole (17).

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