Rechargeable and detachable battery compartment

Abstract

The battery compartment comprises an upper shell and a lower shell, and is technically characterized in that an electric quantity display panel is fixed on the inner side of the top surface of the upper shell, a panel corresponding to the electric quantity display panel is arranged on the outer side of the top surface of the upper shell, and a side cover plate corresponding to a battery positioning cavity is arranged on the end face of one side of the upper shell; a negative elastic piece is fixed to the inner side face of the side cover plate, a telescopic conductive probe is connected to the side, close to the side cover plate, of the electric quantity display panel, the other end of the telescopic conductive probe abuts against the negative elastic piece, a discharging interface plate is fixed in the lower shell, a charging interface is formed in one end of the discharging interface plate, and a positive elastic piece is fixed to the discharging interface plate. The electric quantity display panel is electrically connected with the positive elastic piece, and the battery is clamped between the positive elastic piece and the negative elastic piece. According to the utility model, the problem of high difficulty in autonomously replacing the battery is solved, batteries with different capacities can be replaced according to requirements, the use cost is reduced, the electric quantity display function is realized, and power can be continuously supplied through charging under the condition of insufficient electric quantity.

Description

Technical Field

[0001] The utility model relates to a device for converting chemical energy into electrical energy, and particularly relates to a battery compartment with a rechargeable and detachable battery. Background Art

[0002] A battery is a device that converts chemical energy into electrical energy and is widely used in electronic devices. As a power supply component, the battery requires reliable, safe installation and convenient charging and discharging. However, the existing battery structure has the following problems:

[0003] 1. It cannot display the battery level in real time, so the remaining battery level cannot be estimated. Users usually need to carry multiple batteries to avoid running out of power, resulting in poor endurance and poor usability.

[0004] 2. It adopts a fixed structure, and the battery is encapsulated inside the battery compartment with potting glue. When the battery needs to be replaced, only the whole can be replaced, and users are not supported to disassemble and replace it independently, resulting in poor maintainability and high usage cost. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a battery compartment with a rechargeable and detachable battery that has a reasonable structure and reliable use, solves the problem of difficult independent replacement of the battery, is conducive to maintenance, can replace batteries with different capacities according to needs, reduces the usage cost, and has a battery level display function, and can continue to supply power through charging when the battery level is insufficient.

[0006] The technical solution of the utility model is as follows:

[0007] A battery compartment with a rechargeable and detachable battery, including an upper shell and a lower shell that are buckled together. A positioning cavity for placing the battery is provided inside the upper shell. The technical key points are: a battery level display board is fixed on the inner side of the top surface of the upper shell, a panel corresponding to the battery level display board is provided on the outer side of the top surface of the upper shell, a side cover plate corresponding to the positioning cavity is provided on one end face of the upper shell, a negative electrode elastic sheet is fixed on the inner side face of the side cover plate, a telescopic conductive probe is connected to the side of the battery level display board close to the side cover plate, and the other end of the telescopic conductive probe abuts against the negative electrode elastic sheet. A discharge interface board is fixed in the lower shell. One end of the discharge interface board is provided with a charging interface, a through hole corresponding to the charging interface is provided on the side end face of the lower shell. A positive electrode elastic sheet is fixed on the side of the discharge interface board far from the negative electrode elastic sheet. A wire is connected between the battery level display board and the discharge interface board and is electrically connected to the positive electrode elastic sheet through the discharge interface board. The battery is clamped between the positive electrode elastic sheet and the negative electrode elastic sheet. The discharge interface board is further provided with a power supply negative terminal and a power supply positive terminal that pass through the lower shell.

[0008] The battery compartment with rechargeable and detachable batteries, in which a charging module connected between the charging interface and the battery, a voltage protection module connected to the battery, and a charge and discharge protection module connected to the voltage protection module are built in the discharge interface board.

[0009] The battery compartment with rechargeable and detachable batteries, where the number of the batteries is two and the two batteries are connected in series, and the number of positioning cavities in the upper shell is two, corresponding to the batteries one by one.

[0010] The battery compartment with rechargeable and detachable batteries, on which four-level power display lights and a start key are provided on the power display board, a shallow groove corresponding to the panel is provided on the top surface of the upper shell, hollow holes corresponding to the four-level power display lights and the start key are provided at the bottom of the shallow groove, and power display marks corresponding to the four-level power display lights and a pressing area corresponding to the start key are provided on the panel.

[0011] The battery compartment with rechargeable and detachable batteries, where reserved hole positions for welding the lower ends of the positive elastic pieces are provided on the discharge interface board, and positioning card slots corresponding to the upper edges of the positive elastic pieces are provided on the inner side wall of the upper shell.

[0012] The battery compartment with rechargeable and detachable batteries, where a first mounting hole is provided on the power display board, and a first mounting post corresponding to the first mounting hole is provided on the inner side of the top surface of the upper shell; a second mounting hole is provided on the discharge interface board, and a second mounting post corresponding to the second mounting hole is provided on the bottom surface of the lower shell.

[0013] The battery compartment with rechargeable and detachable batteries, where an annular positioning groove is provided on the upper edge of the lower shell, an annular boss corresponding to the annular positioning groove is provided on the lower edge of the upper shell, a plurality of lower pads are further provided inside the lower shell, through holes are provided in the centers of the lower pads, upper pads corresponding to the lower pads one by one are provided at the bottoms of the positioning cavities of the upper shell, screw holes corresponding to the through holes are provided in the centers of the upper pads, and the tip of a screw passes through the through hole of the lower pad and is connected and fixed to the screw hole of the upper pad.

[0014] The battery compartment with rechargeable and detachable batteries, where avoidance openings corresponding to the power supply negative terminal and the power supply positive terminal are provided on the bottom surface of the lower shell.

[0015] The battery compartment with rechargeable and detachable batteries, where an opening indication mark close to the side cover plate is provided on the outer side of the top surface of the upper shell.

[0016] The battery compartment with rechargeable and detachable batteries, where a heat dissipation hole group is provided on the top surface of the upper shell.

[0017] The beneficial effects of the present utility model are:

[0018] 1. A positioning cavity corresponding to the battery is provided in the upper shell, and a side cover plate corresponding to the positioning cavity is provided. When the battery needs to be replaced, the side cover plate can be opened to take out the battery. If the battery compartment is damaged, it can also be separated from the battery and replaced separately. The installation and replacement process is convenient and fast, solving the problem of difficult independent battery replacement, being beneficial to maintenance, having good maintenance performance, and different-capacity batteries can be replaced according to needs, reducing the use cost.

[0019] 2. The power display board is used to measure the electricity. That is, during the use of the battery, the remaining power of the battery is measured through the power display board, thereby reminding the user to replace the battery or charge in time, improving the use convenience and also avoiding the power loss of the electrical equipment.

[0020] 3. A charging interface is added to the discharge interface board. When the power display is insufficient, the battery is charged through the charging interface, avoiding the power loss of the electrical equipment and continuing to supply power through the charging method. Description of the Drawings

[0021] Figure 1 is the exploded structural schematic diagram of the present utility model;

[0022] Figure 2 is the axonometric drawing of the present utility model;

[0023] Figure 3 is the axonometric drawing of the present utility model from another angle;

[0024] Figure 4 is the structural schematic diagram of the upper shell of the present utility model;

[0025] Figure 5 is the structural schematic diagram of the lower shell of the present utility model;

[0026] Figure 6 is the schematic diagram of the charging principle of the present utility model.

[0027] In the figure: 1. Panel, 101. Power display mark, 102. Pressing area; 2. Upper shell, 201. Heat dissipation hole group, 202. Opening indication mark, 203. Positioning card slot, 204. Positioning cavity, 205. Upper cushion block, 206. Through hole, 207. First mounting post, 208. Hollow hole, 209. Hollow hole, 210. Annular boss; 3. Power display board, 301. Four-level power display lamp, 302. First mounting hole, 303. Start key; 4. Battery; 5. Positive elastic piece; 6. Discharge interface board, 601. Charging interface, 602. Second mounting hole, 603. Reserved hole position; 7. Lower shell, 701. Through port, 702. Through hole, 703. Avoidance port, 704. Annular positioning groove, 705. Lower cushion block, 706. Second mounting post; 8. Retractable conductive probe; 9. Negative elastic piece; 10. Side cover plate; 11. Power supply negative terminal; 12. Power supply positive terminal; 13. Charging module; 14. Voltage protection module; 15. Charge and discharge protection module. Detailed implementation mode

[0028] The present utility model will be described in detail according to the accompanying drawings of the specification.

[0029] As Figures 1 to 6 shown, the battery compartment of the rechargeable and detachable battery includes an upper shell 2 and a lower shell 7 that are buckled together.

[0030] Among them, a positioning cavity 204 for placing the battery is provided inside the upper shell 2. In this embodiment, the number of the batteries 4 is two, and the two batteries 4 are connected in series. The number of the positioning cavities 204 is two, corresponding to the batteries 4 one by one. The battery 4 adopts 18650 lithium batteries, and the standard specifications facilitate replacement at any time. The positioning cavity 204 has a cylindrical positioning surface.

[0031] A power display board 3 is fixedly installed on the inner side of the top surface of the upper shell 2, and a panel 1 corresponding to the power display board 3 is arranged on the outer side of the top surface of the upper shell 2. In this embodiment, four-level power display lights 301 and a start button 303 are arranged on the power display board 3. A shallow groove corresponding to the panel 1 is arranged on the top surface of the upper shell 2. A hollow hole 209 corresponding to the four-level power display lights 301 and a hollow hole 208 corresponding to the start button 303 are arranged at the bottom of the shallow groove. A power display mark 101 corresponding to the four-level power display lights 301 and a pressing area 102 corresponding to the start button 303 are arranged on the panel 1. A first mounting hole 302 is arranged on the power display board 3, and a first mounting post 207 corresponding to the first mounting hole 302 is arranged on the inner side of the top surface of the upper shell 2. A screw is screwed into the first mounting post 207 to lock the power display board 3. A side cover plate 10 corresponding to the positioning cavity 204 is arranged on one end face of the upper shell 2. A negative electrode elastic sheet 9 is fixedly installed on the inner side surface of the side cover plate 10. A telescopic conductive probe 8 is connected to the side of the power display board 3 close to the side cover plate. The other end of the telescopic conductive probe 8 passes through a through hole 206 in the built-in retaining wall of the upper shell 2 and abuts against the negative electrode elastic sheet 9.

[0032] A discharge interface board 6 is fixedly installed in the lower shell 7. A second mounting hole 602 is arranged on the discharge interface board 6, and a second mounting post 706 corresponding to the second mounting hole 602 is arranged on the bottom surface of the lower shell 7. A screw is screwed into the second mounting post 706 to lock the discharge interface board 6. One end of the discharge interface board 6 is provided with a charging interface 601. In this embodiment, the charging interface 601 adopts a standard type-c interface. A through port 701 corresponding to the charging interface 601 is arranged on the side end face of the lower shell 7. A positive electrode elastic sheet 5 is fixedly installed on the side of the discharge interface board 6 far from the negative electrode elastic sheet 9. A reserved hole position 603 for welding with the lower end of the positive electrode elastic sheet 5 is arranged on the discharge interface board 6. A positioning card slot 203 corresponding to the upper edge of the positive electrode elastic sheet 5 is arranged on the inner side wall of the upper shell 2.

[0033] A wire is connected between the power display board 3 and the discharge interface board 6 and is electrically connected to the positive electrode elastic sheet 5 through the discharge interface board 6. The battery 4 is clamped between the positive electrode elastic sheet 5 and the negative electrode elastic sheet 9. The battery 4 is positioned through the positioning cavity 204, the positive electrode elastic sheet 5 and the negative electrode elastic sheet 9, comprehensively avoiding the influence on the battery 4 caused by vibration. A charging module 13 connected between the charging interface 601 and the battery 4, a voltage protection module 14 connected to the battery 4, and a charge and discharge protection module 15 connected to the voltage protection module 14 are built in the discharge interface board 6. The discharge interface board 6 is further provided with a power supply negative terminal 11 and a power supply positive terminal 12 passing through the lower shell 7. Avoidance openings 703 corresponding to the power supply negative terminal 11 and the power supply positive terminal 12 are arranged on the bottom surface of the lower shell 7.

[0034] An annular positioning groove 704 is provided along the upper edge of the lower shell 7, and an annular boss 210 corresponding to the annular positioning groove 704 is provided along the lower edge of the upper shell 2. A plurality of lower pads 705 are further provided inside the lower shell 7. A through hole is provided at the center of the lower pad 705. An upper pad 205 corresponding to each lower pad 705 one by one is provided at the bottom of the positioning cavity 204 of the upper shell 2. A screw hole corresponding to the through hole is provided at the center of the upper pad 205. The tip of the screw passes through the through hole 702 of the lower pad 705 and is connected and fixed to the screw hole of the upper pad 205. An opening indication mark 202 close to the side cover plate 10 is provided on the outer side of the top surface of the upper shell 2. A heat dissipation hole group 201 is provided on the top surface of the upper shell 2.

[0035] Working principle:

[0036] 1. During use, open the side cover plate 10, place two batteries 4 into the corresponding positioning cavities 204, then buckle the side cover plate 10 onto the upper shell 2 and lock it firmly. The retractable conductive probe 8 is in close contact with the negative electrode elastic piece 9, and the power display board 3, the retractable conductive probe 8, the negative electrode elastic piece 9, the battery 4 and the positive electrode elastic piece 5 form a measurement circuit.

[0037] 2. When charging is required, connect the power supply using the standard type-c interface, and convert the 5V voltage into an 8V voltage through the charging module 13 to charge the battery 4.

[0038] The above has described the embodiments of the present invention in detail, but the above content is only the preferred embodiments of the present invention and cannot be considered as limiting the implementation scope of the present invention. All equal changes and improvements made within the scope of the present invention should still fall within the scope covered by the present invention.

Claims

1. A battery compartment for a rechargeable and removable battery, comprising an upper shell and a lower shell that snap together, wherein the upper shell has a positioning cavity for placing the battery, characterized in that: The inner side of the top surface of the upper shell is fixed with a power display board. The outer side of the top surface of the upper shell is provided with a panel corresponding to the power display board. One side end surface of the upper shell is provided with a side cover plate corresponding to the positioning cavity. The inner side surface of the side cover plate is fixed with a negative electrode elastic sheet. The power display board is connected with a telescopic conductive probe on the side close to the side cover plate, and the other end of the telescopic conductive probe abuts against the negative electrode elastic sheet. A discharge interface board is fixed in the lower shell. One end of the discharge interface board is provided with a charging interface. A through hole corresponding to the charging interface is provided on the side end surface of the lower shell. A positive electrode elastic sheet is fixed on the side of the discharge interface board far from the negative electrode elastic sheet. A wire is connected between the power display board and the discharge interface board and is electrically connected to the positive electrode elastic sheet through the discharge interface board. The battery is clamped between the positive electrode elastic sheet and the negative electrode elastic sheet. The discharge interface board is further provided with a power supply negative terminal and a power supply positive terminal passing through the lower shell.

2. The battery compartment for a rechargeable and detachable battery according to claim 1, characterized in that: The discharge interface board is internally provided with a charging module connected between the charging interface and the battery, a voltage protection module connected to the battery, and a charge and discharge protection module connected to the voltage protection module.

3. The battery compartment with a rechargeable and detachable battery according to claim 1, characterized in that: The number of the batteries is two, and the two batteries are connected in series. The number of the positioning cavities in the upper shell is two, corresponding to the batteries one by one.

4. The battery compartment with a rechargeable and detachable battery according to claim 1, characterized in that: The power display board is provided with four-level power display lights and a start key. The top surface of the upper shell is provided with a shallow groove corresponding to the panel. The bottom of the shallow groove is provided with hollow holes corresponding to the four-level power display lights and the start key. The panel is provided with a power display mark corresponding to the four-level power display lights and a pressing area corresponding to the start key.

5. The battery compartment for a rechargeable and detachable battery according to claim 1, characterized in that: The discharge interface board is provided with reserved hole positions for welding with the lower end of the positive electrode elastic sheet. The inner side wall of the upper shell is provided with positioning card slots corresponding to the upper edge of the positive electrode elastic sheet.

6. The battery compartment for a rechargeable and detachable battery according to claim 1, characterized in that: The power display board is provided with first mounting holes, and the inner side of the top surface of the upper shell is provided with first mounting posts corresponding to the first mounting holes; the discharge interface board is provided with second mounting holes, and the bottom surface of the lower shell is provided with second mounting posts corresponding to the second mounting holes.

7. The battery compartment for a rechargeable and detachable battery according to claim 1, characterized in that: The upper edge of the lower shell is provided with an annular positioning groove, and the lower edge of the upper shell is provided with an annular boss corresponding to the annular positioning groove. The lower shell is further provided with a plurality of lower cushion blocks, and through holes are provided in the centers of the lower cushion blocks. The upper shell is provided with upper cushion blocks corresponding to the lower cushion blocks at the bottom of the positioning cavity, and screw holes corresponding to the through holes are provided in the centers of the upper cushion blocks. The tip of the screw passes through the through hole of the lower cushion block and is connected and fixed to the screw hole of the upper cushion block.

8. The battery compartment with a rechargeable and detachable battery according to claim 1, characterized in that: The bottom surface of the lower shell is provided with avoidance openings corresponding to the power supply negative terminal and the power supply positive terminal.

9. The battery compartment for a rechargeable and detachable battery according to claim 1, characterized in that: The outer side of the top surface of the upper shell is provided with an opening indication mark close to the side cover plate.

10. The battery compartment for a rechargeable and detachable battery according to claim 1, characterized in that: The top surface of the upper shell is provided with a heat dissipation hole group.

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