CN204967319U - Lithium ion battery charging device - Google Patents
Lithium ion battery charging device Download PDFInfo
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- CN204967319U CN204967319U CN201520618023.9U CN201520618023U CN204967319U CN 204967319 U CN204967319 U CN 204967319U CN 201520618023 U CN201520618023 U CN 201520618023U CN 204967319 U CN204967319 U CN 204967319U
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- lithium ion
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Abstract
The utility model relates to a lithium ion battery product application technique field especially relates to a lithium ion battery charging device, adopts following technical scheme: including the box that charges that is used for holding circuit board, the circuit board is fixed in the box that charges, the box that charges is the cuboid structure, a tip lieing in the box that charges is equipped with the USB interface that charges, lateral wall at the box that charges is equipped with the power socket who is connected with circuit board electricity, battery connecting wire one end have with power socket complex power plug, the power plug of battery connecting wire installs at foretell power socket, the battery connecting wire other end is equipped with the battery interface mechanism that is used for the electricity to connect lithium ion battery, power socket switches on battery interface mechanism, the utility model has the advantages of: can be connected with lithium ion battery in the electric motor car or other type battery electrodes by the battery connecting wire, the user will charge interface cooperation voltage and the same digital equipment charging wire of interface type with this USB again and insert and to realize that logarithmic code equipment charges, not only make things convenient for but also swift.
Description
Technical field
The utility model relates to lithium ion battery products application technical field, particularly relates to a kind of charging device for lithium ion cell.
Background technology
Along with growth in the living standard, current many electronic products, as the hand-held electronic products such as electric electric motor car, mobile phone and digital camera become the indispensability equipment of most people gradually, thus when to carry the electronic products such as described electric electric motor car, mobile phone and digital camera simultaneously, will carry three chargers, thus the inconvenient user of above-mentioned existing charger carries and uses simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of charging device for lithium ion cell, be more specifically to provide a kind of be convenient for carrying charging device for lithium ion cell.
For achieving the above object, the utility model adopts following technical scheme: a kind of charging device for lithium ion cell, comprise the charging box for accommodating circuit board, circuit board is fixed in charging box, charging box is rectangular structure, USB charging inlet is provided with in the end being positioned at charging box, the outlet be electrically connected with circuit board is provided with at the sidewall of charging box, also be provided with battery connecting line, battery connecting line one end has the attaching plug coordinated with outlet, the attaching plug of battery connecting line is arranged on above-mentioned outlet, the battery connecting line other end is provided with the battery interface mechanism for being electrically connected lithium ion battery, outlet turn-on battery interface agency.
Further, circuit board is provided with voltage conversion circuit, and voltage conversion circuit is electric connection of power supply socket and USB charging inlet respectively, and the lithium ion battery battery be connected with outlet is compressed into row and is converted to USB charging inlet by voltage conversion circuit.
Further, between outlet with voltage conversion circuit, also electricity is connected in series against connecing protective circuit.
Further, charging box sidewall is also provided with voltmeter, the detection line of voltmeter electricity also accesses outlet, for detecting the input voltage value of outlet.
Further, charging box sidewall is also provided with button member, button member contact series is between outlet and voltage conversion circuit.
Preferably, circuit board also arranges under-voltage replay, under-voltage replay electricity also accesses outlet, the break contact of under-voltage replay is serially connected between outlet and voltage conversion circuit, for detecting whether the input voltage of outlet is low-voltage state, when confirming as low-voltage state, the break contact action of under-voltage replay, the connection between deenergization socket and voltage conversion circuit.
Preferably, the insulative water-proof cover for covering above-mentioned USB charging inlet is also provided with.
The utility model has the advantage of: can be connected with the lithium ion battery in electric motor car or other types battery electrode for the battery interface mechanism being electrically connected lithium ion battery by battery connecting line, user charges coordinating voltage and the identical digital equipment charging wire of interface type to access can to realize logarithmic code equipment with this USB charging inlet again, not only convenient but also quick.
accompanying drawing illustrates:
Accompanying drawing 1 is the stereogram of the charging device for lithium ion cell of embodiment 1;
Accompanying drawing 2 be the charging device for lithium ion cell of embodiment 1 be not with connecting line stereogram;
Accompanying drawing 3 is the connecting line schematic diagram of the charging device for lithium ion cell of embodiment 1;
Accompanying drawing 4 be the charging device for lithium ion cell of embodiment 1 be not with connecting line vertical view;
Accompanying drawing 5 is the charging device for lithium ion cell tape insulation waterproof jacket stereogram of embodiment 1;
Accompanying drawing 6 is the charging device for lithium ion cell circuit connection diagram of embodiment 1.
embodiment:
Embodiment 1: with reference to Fig. 1-6, a kind of charging device for lithium ion cell, comprises the charging box 1 for accommodating circuit board 3, and circuit board is fixed in charging box 1, and charging box 1 is rectangular structure.
USB charging inlet 11 is provided with in the end being positioned at charging box 1, the outlet 13 be electrically connected with circuit board 3 is provided with at the sidewall of charging box 1, also be provided with battery connecting line 2, battery connecting line 2 one end has the attaching plug 21 coordinated with outlet 13, the attaching plug 21 of battery connecting line 2 is arranged on above-mentioned outlet 13, battery connecting line 2 other end is provided with the battery interface mechanism 22 for being electrically connected lithium ion battery A, outlet 13 turn-on battery interface agency 22.
Can be connected with the lithium ion battery A in electric motor car or other types battery electrode for the battery interface mechanism 22 being electrically connected lithium ion battery A by battery connecting line 2, user charges coordinating voltage and the identical digital equipment charging wire of interface type to access can to realize logarithmic code equipment with this USB charging inlet 11 again.
Further, circuit board 3 is provided with voltage conversion circuit 31, voltage conversion circuit 31 is electric connection of power supply socket 13 and USB charging inlet 11 respectively, and the lithium ion battery A voltage be connected with outlet 13 carries out being converted to USB charging inlet 11 by voltage conversion circuit 31.
Voltage change ratio for voltage conversion circuit 31 can be produced as required, can be such as 12V change 5V, 1A of direct current, also can be that 24V becomes 5V, 2.1A, 48V becomes 5V, 1A or 2.1A, specifically carry out type selecting according to actual needs, here also specifically do not limit.
In above-described embodiment; concrete can also increase charge management circuit and protective circuit; reduction voltage circuit by the lithium ion battery A voltage transitions received for becoming direct current 5V voltage; charge management circuit can the voltage of test and monitoring USB charging inlet 11 automatically; and provide the configuration of correct electrical characteristic, the equipment charged with compatibility, when equipment be short-circuited, overcurrent or input overvoltage time; corresponding protective circuit can be produced, close and export.
In order to prevent due to both positive and negative polarity reverse polarity connection problem time user connects lithium ion battery A by battery connecting line 2; between outlet 13 with voltage conversion circuit 31, also electricity is connected in series against connecing protective circuit 32, comprises against connecing protective circuit 32 retrodirective component being serially connected in conductive line between outlet 13 and voltage conversion circuit 31 respectively.
When battery connecting line 2 connects lithium ion battery A both positive and negative polarity reverse polarity connection; the inverse retrodirective component startup connecing protective circuit 32 disconnects; then the electronic component after the inverse retrodirective component connecing protective circuit 32 of protection can not be impaired; specifically indication mechanism can also be increased; by the inverse signal feedback connecing the retrodirective component of protective circuit 32 on indication mechanism, prompting is both positive and negative polarity reverse polarity connection at present.
In order to see the input voltage of access lithium ion battery A intuitively, charging box 1 sidewall is also provided with voltmeter V, the detection line electricity of voltmeter V also accesses outlet 13, for detecting the input voltage value of outlet 13.
Preferably, in order to avoid over-discharge can, also arrange under-voltage replay kV at circuit board 3, under-voltage replay kV electricity also accesses outlet 13, and the break contact kV-1 of under-voltage replay kV is serially connected between outlet 13 and voltage conversion circuit 31.
For detecting whether the input voltage of outlet 13 is low-voltage state, when confirming as low-voltage state, the break contact kV-1 action of under-voltage replay kV, the electrical connection between deenergization socket 13 and voltage conversion circuit 31.
Detect USB charging inlet 11 for the convenience of the users whether can normally use, relay indicating light LED is set between voltage conversion circuit 31 and the conductive line of USB charging inlet 11, when voltage conversion circuit 31 normally exports, relay indicating light LED is bright, then point out the current charging device for lithium ion cell of user to be electriferous state, can charge.
Preferably; with reference to Fig. 5; also be provided with the insulative water-proof cover 14 for covering above-mentioned USB charging inlet 11; specifically can protect USB charging inlet 11 can not in the air of long term exposure when not using; covering upper cover insulative water-proof cover 14 when not needing to use, being conducive to the useful life extending this charging device for lithium ion cell.
Preferably, above-mentioned charging box 1 being also provided with the snap fastener 12 for being fastened in electric motor car, the concrete bayonet mechanism 12 that can adopt the tubulose be fastened in electric motor car, specifically can carrying out type selecting according to corresponding electric motor car type.
Above-described embodiment is operationally: the battery interface mechanism 22 of battery charging wire 2 is connected with lithium ion battery A, connect and successively turn-on battery connecting line 2, attaching plug 21, outlet 13, voltmeter V, under-voltage replay kV, inversely connect protective circuit 32 retrodirective component, voltage conversion circuit 31, relay indicating light LED, USB charging inlet 11.
Preferably, charging box sidewall is also provided with button member, button member SA contact series is between outlet 13 and voltage conversion circuit 31, the dissengaged positions of button member 33 can be used when access lithium ion battery A, now owing to there is no load, the battery interface mechanism 22 of battery connecting line 2 then can not produce arc spark when accessing lithium ion battery A, also can hand off when being short-circuited.
When the lithium ion battery A voltage accessed is normal and access polarity is correct, the voltage step-down of lithium ion battery A is the voltage supporting with the electronic equipment needing to access USB charging inlet 11 by voltage conversion circuit 31.
Preferably, can also testing agency be set, for detecting the discharge performance of lithium ion battery A, connects and by adding up and testing the speed, and then the discharge performance that effectively can improve this lithium ion battery A can be improved, further improve capacity of lithium ion battery design.
The above embodiments are only limitted to open mode of how to carry out implementing, and can also add necessary circuit structure in the above-described embodiment and reach the effect of best enforcement, those skilled in the art can understand and implement on above-mentioned disclosed basis.
Certainly, these are only the utility model better embodiment, not limit the scope of application of the present utility model with this, therefore, every make in the utility model principle equivalence change all should be included in protection range of the present utility model.
Claims (7)
1. a charging device for lithium ion cell, comprise the charging box (1) for accommodating circuit board (3), circuit board (3) is fixed in charging box (1), charging box (1) is rectangular structure, USB charging inlet (11) is provided with in the end being positioned at charging box (1), it is characterized in that: be provided with the outlet (13) be electrically connected with circuit board (3) at the sidewall of charging box (1), also be provided with battery connecting line (2), battery connecting line (2) one end has the attaching plug (21) coordinated with outlet (13), the attaching plug (21) of battery connecting line (2) is arranged on above-mentioned outlet (13), battery connecting line (2) other end is provided with the battery interface mechanism (22) for being electrically connected lithium ion battery (A), outlet (13) turn-on battery interface agency (22).
2. a kind of charging device for lithium ion cell according to claim 1, it is characterized in that: circuit board (3) is provided with voltage conversion circuit (31), voltage conversion circuit (31) is electric connection of power supply socket (13) and USB charging inlet (11) respectively, and lithium ion battery (A) voltage be connected with outlet (13) carries out being converted to USB charging inlet (11) by voltage conversion circuit (31).
3. a kind of charging device for lithium ion cell according to claim 1, is characterized in that: between outlet (13) with voltage conversion circuit (31), also electricity is connected in series against connecing protective circuit (32).
4. a kind of charging device for lithium ion cell according to claim 1 or 2 or 3, it is characterized in that: charging box (1) sidewall is also provided with voltmeter (V), voltmeter (V) detection line electricity and access outlet (13), for detecting the input voltage value of outlet (13).
5. a kind of charging device for lithium ion cell according to claim 4, it is characterized in that: charging box (1) sidewall is also provided with button member (SA), button member (SA) contact series is between outlet (13) and voltage conversion circuit (31).
6. a kind of charging device for lithium ion cell according to claim 1 or 2 or 3, it is characterized in that: circuit board (3) also arranges under-voltage replay (kV), under-voltage replay (kV) electricity also accesses outlet (13), the break contact (kV-1) of under-voltage replay (kV) is serially connected between outlet (13) and voltage conversion circuit (31), for detecting whether the input voltage of outlet (13) is low-voltage state, when confirming as low-voltage state, break contact (kV-1) action of under-voltage replay (kV), connection between deenergization socket (13) and voltage conversion circuit (31).
7. a kind of charging device for lithium ion cell according to claim 1 or 2 or 3, is characterized in that: be also provided with the insulative water-proof cover (14) for covering above-mentioned USB charging inlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618023.9U CN204967319U (en) | 2015-08-17 | 2015-08-17 | Lithium ion battery charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618023.9U CN204967319U (en) | 2015-08-17 | 2015-08-17 | Lithium ion battery charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967319U true CN204967319U (en) | 2016-01-13 |
Family
ID=55062360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520618023.9U Active CN204967319U (en) | 2015-08-17 | 2015-08-17 | Lithium ion battery charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204967319U (en) |
-
2015
- 2015-08-17 CN CN201520618023.9U patent/CN204967319U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |