CN216268723U

CN216268723U - New forms of energy lithium battery charging protection device

Info

Publication number: CN216268723U
Application number: CN202122686459.XU
Authority: CN
Inventors: 张建军; 夏青松; 李银; 何桂林; 王成强
Original assignee: Nanping Tongxin New Energy Technology Co ltd
Current assignee: Nanping Tongxin New Energy Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-12
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a new energy lithium battery charging protection device which comprises a shell, a cover plate and a plug, wherein the cover plate is movably inserted in the front of the shell, a fixed frame is arranged in the center of the inside of the shell, a control main board is arranged in the fixed frame, positioning frames are symmetrically arranged on the back of the inner wall of the shell, and the positioning frames are positioned at the top of the fixed frame; according to the utility model, through the arrangement of the micro driving motor and the push rod and the matching arrangement of the first gear, the second gear and the third gear, when the micro driving motor is started, the output shaft of the micro driving motor can drive the first gear to rotate, the first gear can drive the third gear to rotate, the second gear can rotate along with the third gear when the third gear rotates, the second gear drives the push rod to move when the second gear rotates, the push rod pushes the insulating frame to move in the sliding groove of the positioning frame, so that the butt plate can be separated from the electric connection plate, the device can not supply power to the lithium battery any more, and the overcharge condition of the lithium battery can be effectively prevented.

Description

New forms of energy lithium battery charging protection device

Technical Field

The utility model relates to the field of lithium batteries, in particular to a new energy lithium battery charging protection device.

Background

The negative electrode of a lithium battery is graphite crystal, and the positive electrode is generally lithium dioxide; during charging, lithium ions move from the positive electrode to the negative electrode and are embedded into the graphite layer; during discharge, lithium ions are separated from the surface of the negative electrode in the graphite crystal and move to the positive electrode, so that lithium always appears in the form of lithium ions rather than in the form of metallic lithium during the charge and discharge of the battery, and the battery is called a lithium ion battery, which is called a lithium battery for short.

The long charging of lithium cell needs very long time, often need go on at night, and long problem when general user can not consider when charging the lithium cell can not in time cut off the power supply when the lithium cell is full of, often leads to the lithium cell the condition of overcharge to lead to the fact huge injury to the lithium cell, its life has significantly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a new energy lithium battery charging protection device, which can effectively prevent the lithium battery from being overcharged.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a new energy lithium battery charging protection device, which comprises a shell, a cover plate and a plug, wherein the cover plate is movably inserted in the front of the shell, a fixed frame is arranged in the center of the inside of the shell, a control main board is arranged in the fixed frame, positioning frames are symmetrically arranged on the back surface of the inner wall of the shell, the positioning frames are positioned at the top of the fixed frame, a sliding groove is formed in each positioning frame, an insulating frame is connected in each sliding groove in a sliding manner, the plug is arranged on the back surface of the shell, a power connection plate is arranged on the front surface of the plug and positioned between the two positioning frames, a butt joint plate is arranged on each insulating frame, the centers of the butt joint plate and the power connection plate are positioned on the same vertical surface, push rods are arranged at the top ends of the insulating frames, clamping teeth are arranged on the surfaces of the push rods at equal intervals, and a micro driving motor is arranged at the position, close to the top end, on the inner wall of the shell, the front of the output shaft of the micro-driving motor is fixedly connected with a first gear through a coupler, a second gear is arranged at the bottom of the first gear, a third gear is arranged on the front of the second gear, the first gear is meshed with the third gear, and the second gear is meshed with a clamping tooth.

As a preferred technical scheme of the utility model, the capacitor and the transformer are arranged in the shell, the capacitor is positioned at the bottom of the transformer, the position of the inner wall of the shell, which is close to the edge, is provided with a plurality of plug-in cylinders, the position of the back surface of the cover plate, which corresponds to the plug-in cylinders, is provided with plug-in columns, and the plug-in columns are movably plugged in the plug-in cylinders.

As a preferred technical scheme of the utility model, the right side of the shell is equidistantly provided with heat radiating grooves, and the inner sides of the heat radiating grooves are provided with dust screens.

As a preferred technical solution of the present invention, a heat dissipation fan is installed at a position corresponding to the heat dissipation groove inside the housing, and the heat dissipation fan is located at the bottom of the control motherboard.

As a preferred technical scheme of the present invention, a threaded wire is installed between the control main board and the butt-joint board, and a plug-in panel is disposed on the front surface of the cover plate near the bottom end.

As a preferable technical scheme of the utility model, a display screen is arranged on the front surface of the cover plate and at the top of the plug panel, and an adjusting button is arranged between the display screen and the plug panel.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement of the micro driving motor and the push rod and the matching arrangement of the first gear, the second gear and the third gear, when the micro driving motor is started, the output shaft of the micro driving motor can drive the first gear to rotate, the first gear can drive the third gear to rotate, the second gear can rotate along with the third gear when the third gear rotates, the second gear can drive the push rod to move when the second gear rotates, and then the micro driving motor and the push rod are matched with the arrangement of the positioning frame and the insulation frame.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall elevation cross-sectional structure of the present invention;

fig. 3 is an overall front view structure diagram of the present invention.

In the figure: 1. a housing; 101. a cover plate; 102. a display screen; 103. an adjustment button; 104. a patch panel; 105. a heat sink; 106. a dust screen; 2. a capacitor; 3. a transformer; 4. a control main board; 401. a fixing frame; 5. a plug; 501. a power connection plate; 6. a positioning frame; 601. a chute; 7. an insulating frame; 701. a butt plate; 8. a threaded wire; 9. a push rod; 10. a micro drive motor; 11. a first gear; 12. a second gear; 121. a third gear; 13. a heat dissipation fan; 14. a plug-in cartridge.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-3, the utility model provides a new energy lithium battery charging protection device, which comprises a housing 1, a cover plate 101 and a plug 5, wherein the cover plate 101 is movably inserted in the front of the housing 1, a fixed frame 401 is arranged in the center of the interior of the housing 1, a control main board 4 is installed in the fixed frame 401, positioning frames 6 are symmetrically arranged on the back surface of the inner wall of the housing 1, the positioning frames 6 are positioned on the top of the fixed frame 401, a sliding groove 601 is formed in the positioning frame 6, an insulating frame 7 is slidably connected in the sliding groove 601, the plug 5 is installed on the back surface of the housing 1, a power connection board 501 is installed on the front surface of the plug 5, the power connection board 501 is positioned between the two positioning frames 6, a butt joint board 701 is installed on the insulating frame 7, the center of the butt joint board 701 and the center of the power connection board 501 are positioned on the same vertical plane, push rods 9 are installed at the top ends of the insulating frame 7, and the surfaces of the push rods 9 are provided with latch teeth at equal intervals, the miniature driving motor 10 is installed near the position on top in the inner wall of the shell 1, the front of the output shaft of the miniature driving motor 10 is fixedly connected with a first gear 11 through a coupler, a second gear 12 is arranged at the bottom of the first gear 11, a third gear 121 is installed on the front of the second gear 12, the first gear 11 is meshed with the third gear 121, and the second gear 12 is meshed with a latch.

The internally mounted of shell 1 has electric capacity 2 and transformer 3, and electric capacity 2 is located transformer 3's bottom, and the position that 1 inner wall of shell is close to the edge is provided with a plurality of grafting section of thick bamboos 14, and the apron 101 back is provided with the grafting post with the corresponding position of a grafting section of thick bamboo 14, and the activity of grafting post is pegged graft in the inside of a grafting section of thick bamboo 14, through the butt joint of grafting post with a grafting section of thick bamboo 14 for be connected more stable between shell 1 and the apron 101.

Heat dissipation groove 105 has been seted up to shell 1 right side equidistance, and dust screen 106 is installed to heat dissipation groove 105's inboard, and heat dissipation groove 105 can accelerate the inside air cycle of shell 1, realizes dispelling the heat fast, and dust screen 106 can effectively prevent the entering of dust.

The heat dissipation fan 13 is installed with the corresponding position of radiating groove 105 in the inboard of shell 1, and heat dissipation fan 13 is located the bottom of control mainboard 4, and heat dissipation fan 13 can inhale external cold wind through radiating groove 105 and supply the cooling of control mainboard 4, further accelerates the inside and outside air cycle of shell 1, reaches rapid cooling's purpose.

A threaded wire 8 is installed between the control main board 4 and the butt-joint plate 701, a plug-in panel 104 is arranged at a position close to the bottom end on the front surface of the cover plate 101, and the threaded wire 8 can always keep the control main board 4 electrically connected with the butt-joint plate 701 when the insulating frame 7 moves.

The display screen 102 is installed on the front surface of the cover plate 101 and at the top of the plug panel 104, the adjusting button 103 is arranged between the display screen 102 and the plug panel 104, and the display screen 102 can be conveniently observed by a user during adjustment.

Specifically, firstly, the device is plugged into a socket through a plug 5 to provide a power supply, then a charger of a lithium battery is plugged into a plugging panel 104, then, the charging time is adjusted through an adjusting button 103, when the charging time is up, a micro driving motor 10 is controlled to be started through a control main board 4, an output shaft of the micro driving motor 10 drives a first gear 11 to rotate when the micro driving motor 10 is started, the first gear 11 drives a third gear 121 to rotate when the first gear 11 rotates, a second gear 12 rotates along with the third gear 121 when the third gear 121 rotates, a push rod 9 moves when the second gear 12 rotates, the push rod 9 pushes an insulating frame 7 to move in a sliding groove 601 of a positioning frame 6 when the push rod 9 moves, so that a butt joint plate 701 is separated from an electric connection plate 501, the device does not provide the power supply for the charger of the lithium battery any more, the phenomenon of overcharging is prevented, and the use of the device is completed.

In summary, according to the utility model, through the arrangement of the micro driving motor 10 and the push rod 9, and the first gear 11, the second gear 12, and the third gear 121 which are cooperatively arranged, when the micro driving motor 10 is turned on, the output shaft thereof can drive the first gear 11 to rotate, when the first gear 11 rotates, the third gear 121 can be driven to rotate, when the third gear 121 rotates, the second gear 12 can rotate along with the third gear, when the second gear 12 rotates, the push rod 9 can be driven to move, and then the arrangement of the positioning frame 6 and the insulating frame 7 is matched, by means of the arrangement of the docking plate 701 and the electric connection plate 501, when the push rod 9 moves, the insulating frame 7 can be driven to move in the sliding groove 601 of the positioning frame 6, so that the docking plate 701 can be separated from the electric connection plate 501, the device does not supply power to the lithium battery any more, thereby effectively preventing the lithium battery from being overcharged, and playing a role in protecting the lithium battery.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The new energy lithium battery charging protection device comprises a shell (1), a cover plate (101) and a plug (5), and is characterized in that the cover plate (101) is movably inserted in the front of the shell (1), a fixing frame (401) is arranged in the center of the inside of the shell (1), a control main board (4) is installed inside the fixing frame (401), positioning frames (6) are symmetrically arranged on the back of the inner wall of the shell (1), the positioning frames (6) are located at the top of the fixing frame (401), a sliding groove (601) is formed in the positioning frame (6), an insulating frame (7) is connected in the sliding mode inside the sliding groove (601), the plug (5) is installed on the back of the shell (1), a power connection plate (501) is installed on the front of the plug (5), the power connection plate (501) is located between the two positioning frames (6), and a butt joint plate (701) is installed on the insulating frame (7), the center of butt-joint plate (701) and the center of connecing electroplax (501) are in same perpendicular, push rod (9) are installed on the top of insulating frame (7), and the surperficial equidistance of push rod (9) is provided with the latch, miniature driving motor (10) are installed to the position that shell (1) inner wall is close to the top, the front of miniature driving motor (10) output shaft is through shaft coupling fixedly connected with first gear (11), the bottom of first gear (11) is provided with second gear (12), third gear (121) are installed in the front of second gear (12), first gear (11) mesh with third gear (121), second gear (12) mesh with the latch mutually.

2. The new energy lithium battery charging protection device according to claim 1, wherein a capacitor (2) and a transformer (3) are installed inside the housing (1), the capacitor (2) is located at the bottom of the transformer (3), a plurality of insertion cylinders (14) are arranged at positions, close to the edge, of the inner wall of the housing (1), insertion columns are arranged at positions, corresponding to the insertion cylinders (14), of the back surface of the cover plate (101), and the insertion columns are movably inserted into the insertion cylinders (14).

3. The charging protection device for the new energy lithium battery as claimed in claim 1, wherein heat dissipation grooves (105) are formed in the right side of the casing (1) at equal intervals, and a dust screen (106) is installed on the inner sides of the heat dissipation grooves (105).

4. The new energy lithium battery charging protection device according to claim 3, wherein a heat dissipation fan (13) is installed at a position corresponding to the heat dissipation groove (105) inside the casing (1), and the heat dissipation fan (13) is located at the bottom of the control main board (4).

5. The new energy lithium battery charging protection device according to claim 1, wherein a threaded wire (8) is installed between the control main board (4) and the butt plate (701), and a plug panel (104) is arranged on the front surface of the cover plate (101) near the bottom end.

6. The new energy lithium battery charging protection device according to claim 5, characterized in that a display screen (102) is installed on the front surface of the cover plate (101) and at the top of the plug panel (104), and an adjusting button (103) is arranged between the display screen (102) and the plug panel (104).