CN209562192U - A kind of precharge detachable li-ion cell protection shell - Google Patents
A kind of precharge detachable li-ion cell protection shell Download PDFInfo
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- CN209562192U CN209562192U CN201920490749.7U CN201920490749U CN209562192U CN 209562192 U CN209562192 U CN 209562192U CN 201920490749 U CN201920490749 U CN 201920490749U CN 209562192 U CN209562192 U CN 209562192U
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- China
- Prior art keywords
- lithium battery
- shell
- preliminary filling
- battery charging
- precharge
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Abstract
The utility model discloses a kind of precharge detachable li-ion cell protection shells, including lithium battery charging shell, the front end face of the lithium battery charging shell offers lithium battery charging slot, the upper surface of the lithium battery charging shell offers preliminary filling electrical interface, the side end face of the lithium battery charging shell opens up fluted one, the rear end face of the lithium battery charging shell opens up fluted two, rotary shaft is fixedly connected on the inner wall of the groove two, the lower end of the rotary shaft is fixedly connected with connector, the lower end of the connector is fixedly connected with plug, preliminary filling part shell is connected on the outer wall of the lithium battery charging shell, the inner wall upper end of the preliminary filling part shell is fixedly connected with preliminary filling electric connection.The precharge detachable li-ion cell protection shell, external in lithium battery charging shell increase precharge device, generate weaker electric current; lithium battery is pre-charged, when preventing constant current excessive, damages lithium battery; lithium battery can be preferably protected, the service life of lithium battery is improved.
Description
Technical field
The utility model relates to technical field of lithium batteries, specially a kind of precharge detachable li-ion cell protection shell.
Background technique
Lithium battery be it is a kind of negative electrode material is made by lithium metal, and by nonaqueous electrolyte as the battery of solution, lithium battery
Safety and cost performance are very high, and the production technology maturation of lithium battery now, so lithium battery is in daily use in life.
Lithium battery can carry out charging recycling, when electric quantity of lithium battery is lower, if directly with common permanent
Constant current charges between lithium battery, may result in lithium battery damage to scrap, therefore will be first with low current to lithium battery
It is pre-charged, but low current precharge cannot be provided in existing domestic circuit, it is directly easy to charge to lithium battery to cause
Lithium battery damage, influences lithium battery service life.
Utility model content
The purpose of this utility model is to provide a kind of precharge detachable li-ion cell protection shells, to solve above-mentioned background skill
It proposes that low current precharge cannot be provided in existing domestic circuit in art, it is directly easy to charge to lithium battery that lithium battery is caused to damage
It is bad, the problem of influencing lithium battery service life.
To achieve the above object, the utility model provides the following technical solutions: a kind of precharge detachable li-ion cell protection
Shell, including lithium battery charging shell, the front end face of the lithium battery charging shell offer lithium battery charging slot, the lithium battery charging
The upper surface of shell offers preliminary filling electrical interface, and the side end face of the lithium battery charging shell opens up fluted one, and the lithium battery fills
The rear end face of electric shell opens up fluted two, and rotary shaft, the lower end of the rotary shaft are fixedly connected on the inner wall of the groove two
It is fixedly connected with connector, the lower end of the connector is fixedly connected with plug, activity on the outer wall of the lithium battery charging shell
It is connected with preliminary filling part shell, the inner wall upper end of the preliminary filling part shell is fixedly connected with preliminary filling electric connection, the preliminary filling part shell
Inner wall side be fixedly connected with protrusion one, the side of the preliminary filling part shell offers charge port, the preliminary filling part shell
Lower end opens up fluted three, and the lower end of the preliminary filling part shell is connected with pedestal, and the upper end of the pedestal is fixedly connected with
Protrusion two and protrusion three.
Preferably, the length, width and height of the lithium battery charging shell are identical with the inner wall length, width and height size of preliminary filling part shell.
Preferably, the preliminary filling electrical interface and preliminary filling electric connection are adapted.
Preferably, the groove one is identical with a raised size, and position is adapted.
It preferably, is rotation connection between the rotary shaft and the inner wall of groove two, and the height of connector is greater than rotation
Distance of the axis to lithium battery charging shell rear end.
Preferably, described raised three is identical with three size of groove, and protrusion three is silica gel material.
Compared with prior art, the utility model has the beneficial effects that the precharge detachable li-ion cell protection shell, preliminary filling
It is connected together between electrical part and lithium battery charger by the setting of groove and protrusion, is convenient for preliminary filling electrical interface and connector
Between accurate positionin and be stably connected with, while the pedestal of precharge device lower end can play supporting role, prevent lithium electric
Electrolytic battery charger is fallen, and lithium battery after being pre-charged can also directly by the plug of lithium battery charger rear end into
Row charging, the device increase a precharge device in the external of lithium battery charging shell, generate weaker electric current, to lithium battery into
Line precharge when preventing constant current excessive, damages lithium battery, can preferably protect lithium battery, improve making for lithium battery
Use the service life.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model lithium battery charging shell structure schematic diagram；
Fig. 3 is the utility model entirety positive structure diagram.
In figure: 1, lithium battery charging shell；2, lithium battery charging slot；3, preliminary filling electrical interface；4, groove one；5, groove two；6,
Rotary shaft；7, connector；8, plug；9, preliminary filling part shell；10, preliminary filling electric connection；11, protrusion one；12, charge port；13, groove
Three；14, pedestal；15, protrusion two；16, protrusion three.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of precharge detachable li-ion cell protection shell,
It charges shell 1 including lithium battery, the front end face of lithium battery charging shell 1 offers lithium battery charging slot 2, and lithium battery charges the upper of shell 1
End face offers preliminary filling electrical interface 3, and the side end face of lithium battery charging shell 1 opens up fluted 1, the rear end of lithium battery charging shell 1
Face opens up fluted 25, and rotary shaft 6 is fixedly connected on the inner wall of groove 25, and the lower end of rotary shaft 6 is fixedly connected with connection
Part 7, the lower end of connector 7 are fixedly connected with plug 8, are connected with preliminary filling part shell 9 on the outer wall of lithium battery charging shell 1,
The inner wall upper end of preliminary filling part shell 9 is fixedly connected with preliminary filling electric connection 10, and the inner wall side of preliminary filling part shell 9 is fixedly connected with convex
1 are played, the side of preliminary filling part shell 9 offers charge port 12, and the lower end of preliminary filling part shell 9 opens up fluted 3 13, preliminary filling part
The lower end of shell 9 is connected with pedestal 14, and the upper end of pedestal 14 is fixedly connected with protrusion 2 15 and protrusion 3 16.
Further, the length, width and height of lithium battery charging shell 1 are identical with the inner wall length, width and height size of preliminary filling part shell 9, favorably
It can put into preliminary filling part shell 9 and charge in lithium battery charging shell 1.
Further, preliminary filling electrical interface 3 and preliminary filling electric connection 10 are adapted, and are conducive to preliminary filling electrical interface 3 and precharge connects
First 10 can be connected with each other progress, and preliminary filling electric connection 10 is made to charge preliminary filling electrical interface 3.
Further, groove 1 is identical with raised one 11 sizes, and position is adapted, and is conducive to groove 1 and protrusion one
11 can carry out stable engaging, so that the connection between the length, width and height and preliminary filling part shell 9 of lithium battery charging shell 1 is more steady
It is fixed.
It further, is rotation connection between rotary shaft 6 and the inner wall of groove 25, and the height of connector 7 is greater than rotation
Axis 6 is conducive to when plug 8 rotates to vertical with lithium battery charging shell 1, plug 8 can to the distance of lithium battery charging 1 rear end of shell
To be exposed at the outside of lithium battery charging shell 1 completely, convenient for charging.
Further, protrusion 3 16 is identical with 3 13 size of groove, and protrusion 3 16 is silica gel material, is conducive to utilize silicon
Protrusion 3 16 is mounted in groove 3 13, is fixed between pedestal 14 and preliminary filling part shell 9 by the elasticity of glue material matter.
Working principle: first putting not electric lithium battery in lithium battery charging slot 2 into, later by lithium battery charging shell 1
The inside of preliminary filling part shell 9 is installed by groove 1 and being connected together for protrusion 1 along the lower end of preliminary filling part shell 9,
So that preliminary filling electrical interface 3 and preliminary filling electric connection 10 are in contact, then pedestal 14 is pacified by the engaging of protrusion 3 16 and groove 3 13
Mounted in the lower end of preliminary filling part shell 9, weaker electric current inside preliminary filling part shell 9 is allowed to pass through preliminary filling electric connection 10 and preliminary filling electrical interface
3 pairs of lithium batteries are pre-charged, and the active material in lithium battery is allowed to activate, and are then taken out lithium battery charging shell 1, rotary connector
8, plug 8 is inserted into normal jack, lithium battery is charged normal, it, can be by filling if preliminary filling part shell 9 is out of power
Power port 12 charges to preliminary filling part shell 9.
Finally it should be noted that the above content is only to illustrate the technical solution of the utility model, rather than it is practical to this
The limitation of novel protected range, those skilled in the art to the technical solution of the utility model carry out it is simple modification or
Person's equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (6)
1. a kind of precharge detachable li-ion cell protection shell, including lithium battery charging shell (1), it is characterised in that: the lithium battery
The front end face of charging shell (1) offers lithium battery charging slot (2), and the upper surface of lithium battery charging shell (1) offers preliminary filling
Electrical interface (3), the side end face of lithium battery charging shell (1) open up fluted one (4), and the lithium battery charges after shell (1)
End face opens up fluted two (5), is fixedly connected on the inner wall of the groove two (5) rotary shaft (6), the rotary shaft (6)
Lower end is fixedly connected with connector (7), and the lower end of the connector (7) is fixedly connected with plug (8), the lithium battery charging shell
(1) preliminary filling part shell (9) is connected on outer wall, the inner wall upper end of the preliminary filling part shell (9) is fixedly connected with preliminary filling
Electric connection (10), the inner wall side of the preliminary filling part shell (9) are fixedly connected with raised one (11), the preliminary filling part shell (9)
Side offer charge port (12), the lower end of the preliminary filling part shell (9) opens up fluted three (13), the preliminary filling part shell
(9) lower end is connected with pedestal (14), and the upper end of the pedestal (14) is fixedly connected with raised two (15) and protrusion three
(16)。
2. a kind of precharge detachable li-ion cell protection shell according to claim 1, it is characterised in that: the lithium battery fills
The length, width and height of electric shell (1) and the inner wall length, width and height size of preliminary filling part shell (9) are identical.
3. a kind of precharge detachable li-ion cell protection shell according to claim 1, it is characterised in that: the precharge connects
Mouth (3) and preliminary filling electric connection (10) are adapted.
4. a kind of precharge detachable li-ion cell protection shell according to claim 1, it is characterised in that: the groove one
(4) identical with raised (11) size, and position is adapted.
5. a kind of precharge detachable li-ion cell protection shell according to claim 1, it is characterised in that: the rotary shaft
It (6) is rotation connection between the inner wall of groove two (5), and the height of connector (7) is greater than rotary shaft (6) and charges to lithium battery
The distance of shell (1) rear end.
6. a kind of precharge detachable li-ion cell protection shell according to claim 1, it is characterised in that: described raised three
(16) identical with groove three (13) size, and raised three (16) are silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920490749.7U CN209562192U (en) | 2019-04-12 | 2019-04-12 | A kind of precharge detachable li-ion cell protection shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920490749.7U CN209562192U (en) | 2019-04-12 | 2019-04-12 | A kind of precharge detachable li-ion cell protection shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209562192U true CN209562192U (en) | 2019-10-29 |
Family
ID=68312202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920490749.7U Expired - Fee Related CN209562192U (en) | 2019-04-12 | 2019-04-12 | A kind of precharge detachable li-ion cell protection shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209562192U (en) |
-
2019
- 2019-04-12 CN CN201920490749.7U patent/CN209562192U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |