CN111146846A - Protection equipment for preventing overcharge of lithium battery - Google Patents
Protection equipment for preventing overcharge of lithium battery Download PDFInfo
- Publication number
- CN111146846A CN111146846A CN202010093764.5A CN202010093764A CN111146846A CN 111146846 A CN111146846 A CN 111146846A CN 202010093764 A CN202010093764 A CN 202010093764A CN 111146846 A CN111146846 A CN 111146846A
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- China
- Prior art keywords
- groove
- vertical
- end wall
- face
- cavity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
The invention discloses a protection device for preventing overcharge of a lithium battery, which comprises a prevention box, wherein a storage cavity is arranged in the prevention box, a lifting mechanism is arranged in the storage cavity, the lifting mechanism comprises a socket capable of moving up and down in the storage cavity, a motor cavity is arranged in the prevention box, a rotating mechanism is arranged in the motor cavity, the rotating mechanism comprises a motor fixed on the left end wall of the motor cavity, a motor cavity is arranged in the prevention box, a rotating mechanism is arranged in the motor cavity, and the rotating mechanism comprises a motor fixed on the left end wall of the motor cavity.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to a lithium battery overcharge prevention protection device.
Background
The lithium battery is a battery which uses a non-aqueous electrolyte solution and takes lithium metal or lithium alloy as a negative electrode material, and when the lithium battery is charged, the lithium battery is often overcharged, so that great potential safety hazards exist, the lithium battery can be caused to break down, and even harm is caused to people.
Disclosure of Invention
The invention aims to provide a lithium battery overcharge prevention protection device, which overcomes the problems that the lithium battery is frequently overcharged and is easy to cause lithium battery faults and the like.
The invention is realized by the following technical scheme.
The invention discloses a protection device for preventing overcharge of a lithium battery, which comprises a prevention box, wherein a containing cavity is arranged in the prevention box, a lifting mechanism is arranged in the containing cavity, the lifting mechanism comprises a socket capable of moving up and down in the containing cavity, a vertical rod is fixedly arranged on the lower end face of the socket, a vertical groove with a downward opening is arranged on the lower end face of the vertical rod, an adjusting block is arranged in the vertical groove and capable of moving up and down, and an adjusting spring is connected between the upper end face of the adjusting block and the upper end wall of the vertical groove;
a motor cavity is arranged in the prevention box, a rotating mechanism is arranged in the motor cavity, the rotating mechanism comprises a motor fixed on the left end wall of the motor cavity, a motor shaft is rotatably arranged on the right end face of the motor, and a fixed block is fixedly arranged on the motor shaft;
a vertical cavity is arranged in the preventive box, a transmission mechanism is arranged in the vertical cavity, the transmission mechanism comprises a lifting groove arranged on the rear end wall of the vertical cavity, a lifting rod is arranged in the lifting groove and can move up and down, a rack is fixedly arranged on the right end face of the lifting rod, a communicating port is arranged on the lifting rod in a left-right through mode, a connecting spring is connected between the lower end face of the lifting rod and the lower end wall of the lifting groove, a moving groove is arranged on the rear end wall of the vertical cavity, a vertical block is fixedly arranged on the right end wall of the moving groove, an electromagnet is fixedly arranged on the vertical block, a socket is fixedly arranged on the left end face of the vertical block, a moving block is arranged in the moving groove in a left-right moving mode, a thrust spring is connected between the left end face of the moving block and the left end wall of the moving groove, a carrying plate is fixedly arranged, the vertical cavity is communicated with the containing cavity on the left side of the communicating groove, the lower end wall of the containing cavity is provided with a connecting groove, the lower end face of the preventive box is provided with a collecting cavity with a downward opening, and the connecting groove is communicated with the containing cavity and the collecting cavity;
preferably, the left end wall and the right end wall of the connecting groove are provided with four transverse grooves, limiting rods are arranged in the transverse grooves in a left-right moving mode, limiting springs are connected between the end surfaces of the limiting rods and the end walls of the limiting rods, the left end surface and the right end surface of the vertical rod are provided with two limiting grooves, a plug is fixedly arranged on the lower end surface of the adjusting block, and a sensor is fixedly arranged on the vertical rod;
preferably, the lower end face of the prevention box is provided with a telescopic groove with a downward opening, a supporting block is arranged in the telescopic groove and can move up and down, a telescopic spring is connected between the upper end face of the supporting block and the upper end wall of the telescopic groove, and a contact rod is fixedly arranged on the upper end face of the supporting block;
preferably, the rear end wall of the communicating groove is provided with two torsion spring grooves, pins are rotationally arranged in the torsion spring grooves, torsion springs are arranged between the pins and the torsion spring grooves, cross rods are fixedly arranged on the torsion spring grooves, strings are connected to the cross rods, a half gear is fixedly arranged on the left end face of each cross rod on the left side, the strings are connected to the cross rods, the left end wall and the right end wall of the collecting cavity are provided with accommodating grooves, two winding cavities are arranged in the prevention box, a vertical shaft is arranged at the lower end of each winding cavity in a rotating mode, a winding wheel is fixedly arranged on each vertical shaft, the strings are wound on the winding wheels, a rotating plate is fixedly arranged on the lower end face of each vertical shaft, a transverse shaft is rotationally arranged on the rear end wall of each vertical cavity, and a;
preferably, the adjusting spring is electrically conductive, and the limiting rod is electrically non-conductive.
The invention has the beneficial effects that: the invention can stop charging the lithium battery when the current is reduced after the lithium battery is charged, thereby avoiding the potential safety hazard caused by long-term charging of the lithium battery, ensuring the personal safety, reducing the property loss and prolonging the service life of the lithium battery.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;
FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B shown in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The lithium battery overcharge prevention protection device described in conjunction with fig. 1-3 comprises a prevention box 17, wherein a storage cavity 23 is arranged in the prevention box 17, a lifting mechanism 70 is arranged in the storage cavity 23, the lifting mechanism 70 comprises a socket 24 capable of moving up and down in the storage cavity 23, a vertical rod 60 is fixedly arranged on the lower end face of the socket 24, a vertical groove 37 with a downward opening is arranged on the lower end face of the vertical rod 60, an adjusting block 39 is arranged in the vertical groove 37 and capable of moving up and down, and an adjusting spring 38 is connected between the upper end face of the adjusting block 39 and the upper end wall of the vertical groove 37;
a motor cavity 36 is arranged in the prevention box 17, a rotating mechanism 71 is arranged in the motor cavity 36, the rotating mechanism 71 comprises a motor 35 fixed on the left end wall of the motor cavity 36, a motor shaft 33 is rotatably arranged on the right end face of the motor 35, and a fixed block 32 is fixedly arranged on the motor shaft 33;
a vertical cavity 16 is arranged in the prevention box 17, a transmission mechanism 72 is arranged in the vertical cavity 16, the transmission mechanism 72 comprises a lifting groove 14 arranged on the rear end wall of the vertical cavity 16, a lifting rod 18 is arranged in the lifting groove 14 and can move up and down, a rack 19 is fixedly arranged on the right end surface of the lifting rod 18, a communication port 52 is arranged on the lifting rod 18 in a left-right through manner, a connecting spring 15 is connected between the lower end surface of the lifting rod 18 and the lower end wall of the lifting groove 14, a moving groove 56 is arranged on the rear end wall of the vertical cavity 16, a vertical block 54 is fixedly arranged on the right end wall of the moving groove 56, an electromagnet 53 is fixedly arranged on the vertical block 54, a socket 55 is fixedly arranged on the left end surface of the vertical block 54, a moving block 49 is arranged in the moving groove 56 and can move left and right, a thrust spring 75 is connected between the left end surface of the moving block 49 and, carry fixed plug 47 and the iron plate 51 that is equipped with of terminal surface before the thing board 48, it is equipped with the intercommunication groove 22 to accomodate the chamber 23, intercommunication groove 22 left side is said erect chamber 16 with accomodate the chamber 23 intercommunication, it is equipped with spread groove 50 to accomodate chamber 23 lower extreme wall, the terminal surface is equipped with the decurrent collection chamber 41 of opening under the prevention case 17, spread groove 50 intercommunication accomodate chamber 23 with collect chamber 41.
Beneficially, end wall is equipped with four transverse grooves 30 about the spread groove 50, it is equipped with gag lever post 29 to move about in the transverse groove 30, spacing spring 31 is connected with between the terminal surface of gag lever post 29 and the end wall of gag lever post 29, the terminal surface is equipped with two spacing grooves 25 about the montant 60, the terminal surface is fixed to be equipped with plug 40 under the adjusting block 39, the last sensor 61 that is fixed with of montant 60.
Advantageously, the lower end face of the prevention box 17 is provided with a telescopic groove 13 with a downward opening, a supporting block 11 is arranged in the telescopic groove 13 and can move up and down, a telescopic spring 12 is connected between the upper end face of the supporting block 11 and the upper end wall of the telescopic groove 13, and a contact rod 34 is fixedly arranged on the upper end face of the supporting block 11.
Beneficially, intercommunication groove 22 rear end wall is equipped with two torsion spring grooves 57, torsion spring groove 57 internal rotation is equipped with pin 27, pin 27 with be equipped with torsional spring 58 between torsion spring groove 57, the fixed horizontal pole 26 that is equipped with on torsion spring groove 57, be connected with string 28 on the horizontal pole 26, the left side the fixed half gear 45 that is equipped with of horizontal pole 26 left end face, be connected with string 28 on the horizontal pole 26, end wall is equipped with accomodate groove 10 about collecting chamber 41, be equipped with two wire winding chamber 46 in the prevention case 17, wire winding chamber 46 lower extreme ratio is rotated and is equipped with vertical axis 43, the fixed reel 44 that is equipped with on vertical axis 43, the coiling has on 44 string 28, the fixed rotor plate 42 that is equipped with of vertical axis 43 lower extreme face, vertical chamber 16 rear end wall rotates and is equipped with cross axle 21, the fixed contact gear 20 that is equipped with on the cross axle 21.
Advantageously, the adjustment spring 38 is electrically conductive and the stop lever 29 is electrically non-conductive.
In the initial state, the connecting spring 15, the extension spring 12, the adjusting spring 38, the upper limit spring 31, the torsion spring 58, and the thrust spring 75 are in the normal state, and the lower limit spring 31 is in the compressed state.
When the lithium battery charging socket is in a working state, a power plug is inserted into the socket 24, the socket 24 moves downwards along with the power plug, the socket 24 moves downwards to drive the cross rod 26 to rotate around the pin 27, the pin 27 rotates to pull the reel 44 to rotate through the string 28, the reel 44 drives the vertical shaft 43 to rotate, the vertical shaft 43 drives the rotating plate 42 to rotate, the power plug drives the socket 24 to move downwards, the socket 24 drives the vertical rod 60 to move downwards, the vertical rod 60 moves downwards, the lower side limiting spring 31 pushes the limiting rod 29 to be close to the vertical rod 60 and to be inserted into the limiting groove 25 to limit the vertical rod 60, the vertical rod 60 drives the adjusting block 39 to move downwards, the plug 40 moves downwards along with the adjusting block 39, the plug 40 moves downwards to be inserted into the lithium battery charging socket, when the lithium battery charging is completed, the current is reduced, the sensor 61 detects the current reduction, the electromagnet 53 is, the plug 47 is in contact with the socket 55, the motor 35 is started, the motor 35 drives the motor shaft 33 to rotate, the fixed block 32 rotates along with the motor shaft 33, the fixed block 32 pushes the contact rod 34 to move downwards, the contact rod 34 pushes the supporting block 11 to move downwards, the supporting block 11 moves downwards and the plug 40 is pushed away from the lithium battery charging socket, when the fixed block 32 continues to rotate, the extension spring 12 pulls the supporting block 11 to move upwards, after the fact that charging is completed is found, the power plug is pulled out of the socket 24, the socket 24 is pulled upwards manually, the thrust spring 75 pulls the moving block 49 to move leftwards, the plug 40 moves upwards, and the rotating plate 42 rotates to seal the collecting cavity 41.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a prevention lithium cell overcharge protection equipment, includes prevention case, its characterized in that: a containing cavity is arranged in the preventive box, a lifting mechanism is arranged in the containing cavity and comprises a socket capable of moving up and down in the containing cavity, a vertical rod is fixedly arranged on the lower end face of the socket, a vertical groove with a downward opening is formed in the lower end face of the vertical rod, an adjusting block is arranged in the vertical groove and capable of moving up and down, and an adjusting spring is connected between the upper end face of the adjusting block and the upper end wall of the vertical groove;
a motor cavity is arranged in the prevention box, a rotating mechanism is arranged in the motor cavity, the rotating mechanism comprises a motor fixed on the left end wall of the motor cavity, a motor shaft is rotatably arranged on the right end face of the motor, and a fixed block is fixedly arranged on the motor shaft;
a vertical cavity is arranged in the preventive box, a transmission mechanism is arranged in the vertical cavity, the transmission mechanism comprises a lifting groove arranged on the rear end wall of the vertical cavity, a lifting rod is arranged in the lifting groove and can move up and down, a rack is fixedly arranged on the right end face of the lifting rod, a communicating port is arranged on the lifting rod in a left-right through mode, a connecting spring is connected between the lower end face of the lifting rod and the lower end wall of the lifting groove, a moving groove is arranged on the rear end wall of the vertical cavity, a vertical block is fixedly arranged on the right end wall of the moving groove, an electromagnet is fixedly arranged on the vertical block, a socket is fixedly arranged on the left end face of the vertical block, a moving block is arranged in the moving groove in a left-right moving mode, a thrust spring is connected between the left end face of the moving block and the left end wall of the moving groove, a carrying plate is fixedly arranged, the left side of the communicating groove is communicated with the vertical cavity and the containing cavity, the lower end wall of the containing cavity is provided with a connecting groove, the lower end face of the preventing box is provided with a collecting cavity with a downward opening, and the connecting groove is communicated with the containing cavity and the collecting cavity.
2. The protection device of claim 1, wherein the protection device comprises: the end wall is equipped with four cross slots about the spread groove, the cross slot is interior to control and is removed and be equipped with the gag lever post, the terminal surface of gag lever post with be connected with spacing spring between the end wall of gag lever post, the terminal surface is equipped with two spacing grooves about the montant, the fixed plug that is equipped with of terminal surface under the adjusting block, the fixed sensor that is equipped with on the montant.
3. The protection device of claim 1, wherein the protection device comprises: the lower end face of the prevention box is provided with a telescopic groove with a downward opening, a supporting block is arranged in the telescopic groove and can move up and down, a telescopic spring is connected between the upper end face of the supporting block and the upper end wall of the telescopic groove, and a contact rod is fixedly arranged on the upper end face of the supporting block.
4. The protection device of claim 1, wherein the protection device comprises: the intercommunication groove rear end wall is equipped with two torsional spring grooves, torsional spring inslot rotation is equipped with the pin, the pin with be equipped with the torsional spring between the torsional spring groove, the fixed horizontal pole that is equipped with on the torsional spring groove, be connected with the string on the horizontal pole, the left side the fixed half gear that is equipped with of horizontal pole left end face, be connected with the string on the horizontal pole, the end wall is equipped with and accomodates the groove about collecting the chamber, the prevention incasement is equipped with two wire winding chambeies, wire winding chamber lower extreme is equipped with vertical axis than rotating, the fixed reel that is equipped with on the vertical axis, it has to be had on the reel the string, the fixed rotor plate that is equipped with of terminal surface under the vertical axis, it is equipped with the cross axle to erect chamber rear end wall rotation.
5. The protection device of claim 1, wherein the protection device comprises: the adjusting spring can conduct electricity, and the limiting rod does not conduct electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093764.5A CN111146846A (en) | 2020-02-14 | 2020-02-14 | Protection equipment for preventing overcharge of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093764.5A CN111146846A (en) | 2020-02-14 | 2020-02-14 | Protection equipment for preventing overcharge of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111146846A true CN111146846A (en) | 2020-05-12 |
Family
ID=70527390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010093764.5A Withdrawn CN111146846A (en) | 2020-02-14 | 2020-02-14 | Protection equipment for preventing overcharge of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111146846A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582699A (en) * | 2021-01-14 | 2021-03-30 | 广州鸣琴科技有限公司 | Storage battery installation equipment capable of preventing overcharge and discharge |
-
2020
- 2020-02-14 CN CN202010093764.5A patent/CN111146846A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582699A (en) * | 2021-01-14 | 2021-03-30 | 广州鸣琴科技有限公司 | Storage battery installation equipment capable of preventing overcharge and discharge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200512 |