CN204068344U - A kind of vehicle-mounted mobile power supply - Google Patents
A kind of vehicle-mounted mobile power supply Download PDFInfo
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- CN204068344U CN204068344U CN201420445343.4U CN201420445343U CN204068344U CN 204068344 U CN204068344 U CN 204068344U CN 201420445343 U CN201420445343 U CN 201420445343U CN 204068344 U CN204068344 U CN 204068344U
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- power supply
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- mounted mobile
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Abstract
The utility model discloses a kind of vehicle-mounted mobile power supply, comprise portable power source main body, also comprise the cigar lighter that can be connected with vehicular power-bottle, and described cigar lighter can rotate relative to described portable power source main body, the head of described cigar lighter is provided with the becket for being communicated with vehicular power-bottle positive pole, and both sides are respectively arranged with the sheet metal for being communicated with vehicular power-bottle negative pole.Portable power source main body, by being combined with cigar lighter, can get the 12V power supply on automobile, and is that 5V power supply charges to portable power source 12V power conversion; By be arranged to by cigar lighter can relative movement power supply body rotation, after cigar lighter is fixed, rotatable portable power source main body, is convenient to connect other exterior terminals.
Description
Technical field
the utility model relate to a kind of portable power source, especially relate to a kind of vehicle-mounted mobile power supply with cigar lighter.
Background technology
" portable power source " this concept grows up along with the universal of digital product and increasing fast, and its definition is exactly: facilitate portative portable power supply.Day by day diversified for digital product function, use more frequent, also more and more closer with associating of our daily life, the service time of how to improve digital product, the life be convenient for people to, supplement electricity in time, to play the importance of its maximum work just more very urgent.And portable power source, exactly for and the preferred plan addressed this problem, carry with a portable power source, can be whenever and wherever possible just multiple digital product charging.But still come with some shortcomings, portable power source can be the charging of multiple digital product whenever and wherever possible, how has this charged to portable power source very easily again if the electricity of that portable power source has been used up? current portable power source charging directly charges with 5V or with charger, civil power is changed into 5V with recharging.Along with the development private car of society also gets more and more, if portable power source can also utilize the 12V voltage on automobile storage battery to charge to portable power source, it is more convenient that can arrive to our life.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of vehicle-mounted mobile power supply, solves the problem that portable power source charges on automobile, for portable power source charging has increased a kind of method newly, brings a lot of convenience to car owners.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of vehicle-mounted mobile power supply, comprise portable power source main body, also comprise the cigar lighter that can be connected with vehicular power-bottle, and described cigar lighter can rotate relative to described portable power source main body, the head of described cigar lighter is provided with the becket for being communicated with vehicular power-bottle positive pole, and both sides are respectively arranged with the sheet metal for being communicated with vehicular power-bottle negative pole.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: the outer surface of described portable power source main body is also provided with lamp ring.
Aforesaid a kind of vehicle-mounted mobile power supply, it is characterized in that: in described portable power source main body (1), be provided with step-down chip IC 1, the input IN pin of described step-down chip IC 1 is connected with input voltage, Enable Pin EN pin is connected with input voltage by the 4th resistance R4, also comprise the first resistance R1 of series connection, second resistance R2, 5th resistance R5, the input of described first resistance R1 is connected with the output SW pin of described step-down chip IC 1, the output head grounding of described second resistance R2, the voltage feedback signal of described step-down chip IC 1 adopts end FB pin and described first resistance R1, the connected node of the 5th resistance R5 is connected, the chip enable end BOOT pin of described step-down chip IC 1 is connected with output SW pin by the first electric capacity C5, the earth terminal GND pin ground connection of described step-down chip IC 1.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: be also provided with fuse F1 between the input IN pin of described step-down chip IC 1 and input voltage.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: the output SW pin of described step-down chip IC 1 is also in series with inductance L 1.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: be also connected with the second electric capacity C8 between the connected node of the output of described inductance L 1 and the first resistance R1, the 5th resistance R5.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: the output of described inductance L 1 is also connected with the 3rd electric capacity C2, the output head grounding of described 3rd electric capacity C2.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: the output of described fuse F1 is connected with the 4th electric capacity C1, the output head grounding of described 4th electric capacity C1.
Aforesaid a kind of vehicle-mounted mobile power supply, is characterized in that: the Enable Pin EN pin of described step-down chip IC 1 is also connected with the 5th electric capacity C7, the output head grounding of described 5th electric capacity C7.
The beneficial effects of the utility model are:
1, portable power source main body is by being combined with cigar lighter, can get the 12V power supply on automobile, and is that 5V power supply charges to portable power source 12V power conversion;
2, by be arranged to by cigar lighter can relative movement power supply body rotation, after cigar lighter is fixed, rotatable portable power source main body, is convenient to connect other exterior terminals;
3, automobile starting rear engine is charged to automobile storage battery, battery just can not in charging after being full of electricity, so just there is the waste of an energy, these energy can have been utilized to the charging of other electronic equipment with vehicle-mounted mobile power supply, which offers a saving the waste of the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vehicle-mounted mobile power supply of the utility model;
Fig. 2 is the circuit connection diagram of a kind of vehicle-mounted mobile power supply of the utility model main body.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As depicted in figs. 1 and 2, a kind of vehicle-mounted mobile power supply, comprise portable power source main body 1, also comprise the cigar lighter 2 that can be connected with vehicular power-bottle, and described cigar lighter 2 can rotate relative to described portable power source main body 1, the head of described cigar lighter 2 is provided with the becket 4 for being communicated with vehicular power-bottle positive pole, both sides are respectively arranged with the sheet metal 5 for being communicated with vehicular power-bottle negative pole, the becket 4 on cigar lighter 2 and sheet metal 5 is utilized to be connected the both positive and negative polarity of vehicular power-bottle respectively, the 12V power supply on automobile can be got, and the reduction voltage circuit of its inside of 12V power supply is converted into 5V power supply charge to portable power source,
The outer surface of described portable power source main body 1 is also provided with lamp ring 3, not only serves effect attractive in appearance, and by the whether charging complete of the change of lamp ring 3 color instruction portable power source.
As shown in Figure 2, step-down chip IC 1 is provided with in described portable power source main body 1, the input IN pin of described step-down chip IC 1 is connected with input voltage, Enable Pin EN pin is connected with input voltage by the 4th resistance R4, also comprise the first resistance R1 of series connection, second resistance R2, 5th resistance R5, the input of described first resistance R1 is connected with the output SW pin of described step-down chip IC 1, the output head grounding of described second resistance R2, the voltage feedback signal of described step-down chip IC 1 adopts end FB pin and described first resistance R1, the connected node of the 5th resistance R5 is connected, the chip enable end BOOT pin of described step-down chip IC 1 is connected with output SW pin by the first electric capacity C5, the earth terminal GND pin ground connection of described step-down chip IC 1.To be ZTP7192S, 12V voltage hold input through fuse F1 from 2 pin IN of chip to step-down chip in figure, and 7 pin EN are enable input pins, to be connected to realize enable input by the 4th resistance R4 with input.5 pin FB are voltage feedback signal sampling pin, connected by the first resistance R1, the 5th resistance R5, the second resistance R2, the first resistance R1 is connected with output voltage, and the second resistance R2 is connected to the ground, and FB is connected with the node of the second resistance R2, the 5th R5 and realizes sampling.4 pin of chip are grounding legs, the empty pin of 6,8 pin.1 pin is connected with 3 pin through electric capacity first electric capacity C5.3 pin are output pins of chip, output signal through inductance L 1, finally obtain more stable 5V output voltage.
Also be connected with the second electric capacity C8 between the connected node of the output of described inductance L 1 and the first resistance R1, the 5th resistance R5, form lc circuit with inductance L 1, redeeming.
The output of described inductance L 1 is also connected with the 3rd electric capacity C2, and the output head grounding of described 3rd electric capacity C2, the effect of the 3rd electric capacity C2 is output filtering.
The output of described fuse F1 is connected with the 4th electric capacity C1, the output head grounding of described 4th electric capacity C1.The effect of the 4th electric capacity C1 is input filter.
The Enable Pin EN pin of described step-down chip IC 1 is also connected with the 5th electric capacity C7, the output head grounding of described 5th electric capacity C7, forms RC circuit with the 4th resistance R4, control switch frequency.
Automobile starting rear engine is charged to automobile storage battery, battery just can not in charging after being full of electricity, so just there is the waste of an energy, these energy can have been utilized to the charging of other electronic equipment with vehicle-mounted mobile power supply, which offers a saving the waste of the energy.
In sum, a kind of vehicle-mounted mobile power supply that the utility model provides, solves the problem that portable power source charges on automobile, for portable power source charging has increased a kind of method newly, brings a lot of convenience to car owners.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is by appending claims and equivalent circle thereof.
Claims (9)
1. a vehicle-mounted mobile power supply, comprise portable power source main body (1), it is characterized in that: also comprise the cigar lighter (2) that can be connected with vehicular power-bottle, and described cigar lighter (2) can rotate relative to described portable power source main body (1), the head of described cigar lighter (2) is provided with the becket (4) for being communicated with vehicular power-bottle positive pole, and both sides are respectively arranged with the sheet metal (5) for being communicated with vehicular power-bottle negative pole.
2. a kind of vehicle-mounted mobile power supply according to claim 1, is characterized in that: the outer surface of described portable power source main body (1) is also provided with lamp ring (3).
3. a kind of vehicle-mounted mobile power supply according to claim 1 and 2, it is characterized in that: in described portable power source main body (1), be provided with step-down chip IC 1, the input IN pin of described step-down chip IC 1 is connected with input voltage, Enable Pin EN pin is connected with input voltage by the 4th resistance R4, also comprise the first resistance R1 of series connection, second resistance R2, 5th resistance R5, the input of described first resistance R1 is connected with the output SW pin of described step-down chip IC 1, the output head grounding of described second resistance R2, the voltage feedback signal of described step-down chip IC 1 adopts end FB pin and described first resistance R1, the connected node of the 5th resistance R5 is connected, the chip enable end BOOT pin of described step-down chip IC 1 is connected with output SW pin by the first electric capacity C5, the earth terminal GND pin ground connection of described step-down chip IC 1.
4. a kind of vehicle-mounted mobile power supply according to claim 3, is characterized in that: be also provided with fuse F1 between the input IN pin of described step-down chip IC 1 and input voltage.
5. a kind of vehicle-mounted mobile power supply according to claim 4, is characterized in that: the output SW pin of described step-down chip IC 1 is also in series with inductance L 1.
6. a kind of vehicle-mounted mobile power supply according to claim 5, is characterized in that: be also connected with the second electric capacity C8 between the connected node of the output of described inductance L 1 and the first resistance R1, the 5th resistance R5.
7. a kind of vehicle-mounted mobile power supply according to claim 6, is characterized in that: the output of described inductance L 1 is also connected with the 3rd electric capacity C2, the output head grounding of described 3rd electric capacity C2.
8. a kind of vehicle-mounted mobile power supply according to claim 7, is characterized in that: the output of described fuse F1 is connected with the 4th electric capacity C1, the output head grounding of described 4th electric capacity C1.
9. a kind of vehicle-mounted mobile power supply according to claim 8, is characterized in that: the Enable Pin EN pin of described step-down chip IC 1 is also connected with the 5th electric capacity C7, the output head grounding of described 5th electric capacity C7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445343.4U CN204068344U (en) | 2014-08-08 | 2014-08-08 | A kind of vehicle-mounted mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445343.4U CN204068344U (en) | 2014-08-08 | 2014-08-08 | A kind of vehicle-mounted mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068344U true CN204068344U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445343.4U Expired - Fee Related CN204068344U (en) | 2014-08-08 | 2014-08-08 | A kind of vehicle-mounted mobile power supply |
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| Country | Link |
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| CN (1) | CN204068344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222097A (en) * | 2017-05-18 | 2017-09-29 | 江苏银基烯碳能源科技有限公司 | Power circuit |
-
2014
- 2014-08-08 CN CN201420445343.4U patent/CN204068344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222097A (en) * | 2017-05-18 | 2017-09-29 | 江苏银基烯碳能源科技有限公司 | Power circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190808 |