CN203312869U - Vehicle-mounted mobile power supply - Google Patents
Vehicle-mounted mobile power supply Download PDFInfo
- Publication number
- CN203312869U CN203312869U CN2013203500683U CN201320350068U CN203312869U CN 203312869 U CN203312869 U CN 203312869U CN 2013203500683 U CN2013203500683 U CN 2013203500683U CN 201320350068 U CN201320350068 U CN 201320350068U CN 203312869 U CN203312869 U CN 203312869U
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- Prior art keywords
- vehicle
- power supply
- electrically connected
- output
- control chip
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 20
- 238000007600 charging Methods 0.000 claims description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 19
- 229910052744 lithium Inorganic materials 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 description 7
- 239000000654 additive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a vehicle-mounted mobile power supply, which comprises a mobile power supply main body and a power plug connected with a vehicle-mounted cigarette lighter, wherein the mobile power supply main body comprises a shell and a control chip arranged in the shell; the power plug is connected to one side of the shell and electrically connected with the control chip, a first output interface electrically connected with the control chip is arranged on the shell, and the first output interface is connected with a MicroUSB interface through a lead. The utility model discloses an add a MicroUSB interface, be convenient for the multiple electronic equipment that has the MicroUSB interface such as bluetooth earphone charges, and the USB interface of being as second output interface simultaneously is convenient for charge for the multiple mobile terminal equipment that has the USB interface, just the utility model discloses a control chip can realize that its constant voltage, constant current charge and constant voltage, constant current discharge, guarantee the stable output of two output interfaces.
Description
Technical field
The utility model relates to a kind of portable power source, is specifically related to a kind of vehicle-mounted mobile power supply.
Background technology
Along with the development of automotive engineering, various vehicle-mounted additional electronic devices are also more and more, and the use of these vehicle-mounted products generally need to be powered by vehicle-mounted cigarette lighter.Wherein vehicle-mounted cigarette lighter is that a kind of power supply porous socket that is similar to household electricity is the same, accesses automobile power source by plug, then draws the electronic equipment of a plurality of cigar lighter sockets.
When the user need to be onboard charges to other electronic products of non-vehicle-mounted product, need carry adaptive with it charger, and charger needs first after other are local charged, can use, thereby cause using inconvenience, the wasting of resources etc., for example the bluetooth earphone of every day use, must first can be used onboard after other are local charged.
The utility model content
For the deficiencies in the prior art, the utility model proposes a kind of vehicle-mounted mobile power supply, can realize by being connected to vehicle-mounted cigarette lighter the charging of portable power source, and can be multiple electronic product power supply.
In order to achieve the above object, the technical scheme that adopts of the utility model is as follows:
The vehicle-mounted mobile power supply, comprise a portable power source main body with one the attaching plug for being connected with vehicle-mounted cigarette lighter, described portable power source main body comprises that a shell and is located at the control chip in this shell; A side and attaching plug that described attaching plug is connected to shell are electrically connected described control chip, and described shell is provided with the first output interface be electrically connected with described control chip, and this first output interface is connected with a Micro USB interface by wire.
Preferably, on described shell, also be provided with second output interface be electrically connected with described control chip, this second output interface is a USB interface.
Preferably, described control chip comprises overcurrent protection unit, power conversion unit, overvoltage protective unit, lithium battery, battery charging unit and constant pressure and flow control unit; The output of described attaching plug is electrically connected to the input of power conversion unit by described overcurrent protection unit, the output of power conversion unit is electrically connected to the first output interface and the second output interface by described overvoltage protective unit; The first port of described battery charging unit is electrically connected to the output of overvoltage protective unit; the second port of battery charging unit is electrically connected lithium battery, and its 3rd port is electrically connected to described the first output interface and the second output interface by described constant pressure and flow control unit.
Preferably, between described lithium battery and battery charging unit, also be provided with a unit of the battery protection for additives for overcharge protection and over.
Preferably, on described control chip, also be integrated with a thermal-shutdown circuit be used to preventing that battery temperature is too high, this thermal-shutdown circuit is electrically connected described battery charging unit.
Preferably, described the first output interface and the second output interface are all exported+direct voltage of 5V.
Preferably, described shell, attaching plug all are cylindric.
Preferably, on described shell, also be provided with a LED light, this LED light is electrically connected control chip.
Compared with prior art, the Micro USB interface that has additional of the present utility model, be convenient to have for blue-tooth earphone etc. the various electronic charging of Micro USB interface, as the USB interface of the second output interface, be convenient to for having the multiple mobile terminal devices charging of USB interface simultaneously, and the utility model can realize that by control chip it determines voltage, constant-current charge and determine voltage, constant-current discharge, guarantee the stable output of two output interfaces.The utility model is by being plugged into attaching plug on vehicle-mounted cigarette lighter, when automobile starting switch is opened, vehicle-mounted cigarette lighter can provide the DC power supply output of 12V, now Micro USB interface and USB interface can be stablized and be output as other equipment charges, and now lithium battery is in charged state, when automobile starting switch is closed, vehicle-mounted cigarette lighter is no longer to the automobile power source power taking, vehicle-mounted cigarette lighter stops the DC power supply output of 12V, and now the vehicle-mounted mobile power supply can discharge for the various electronic charging by lithium battery.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model vehicle-mounted mobile power supply;
Fig. 2 is the circuit module figure of the utility model vehicle-mounted mobile power supply;
Fig. 3 is the circuit module figure of another embodiment of the present utility model.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further, so that clearer, understand the utility model technological thought required for protection.
As shown in Figure 1, be the structural representation of the utility model vehicle-mounted mobile power supply, comprise portable power source main body, attaching plug 110.The portable power source main body comprises shell 100 and control chip 140, and control chip 140 is arranged on the inside of shell 100.Attaching plug 110 is connected to a side of shell 100 and is electrically connected the control chip 140 in housing 100, and in the present embodiment, shell 100 and attaching plug 110 all are cylindric, and the diameter of attaching plug 110 is less than the diameter of shell.Attaching plug 110 is for vehicle-mounted cigarette lighter, being connected, and to utilize vehicle-mounted cigarette lighter be the charging of portable power source main body.When automobile starting switch is opened, be that automobile key is while being inserted and rotated to (IGN-ON), vehicle-mounted cigarette lighter is in power-up state, now vehicle-mounted cigarette lighter can provide the DC power supply output of 12V, attaching plug 110 is plugged in the jack of vehicle-mounted cigarette lighter, can be from power taking in the vehicle-mounted cigarette lighter socket.When automobile starting switch is closed, namely car engine stops operating or automobile key while turning to (IGN-OFF), and vehicle-mounted cigarette lighter is no longer to the automobile power source power taking, and vehicle-mounted cigarette lighter stops the DC power supply output of 12V.
As shown in Figure 2, circuit module figure for the utility model vehicle-mounted mobile power supply, based on above-mentioned vehicle-mounted mobile power supply, shell 100 is provided with the first output interface 120 be electrically connected with described control chip 140, this first output interface 120 is connected with Micro usb 1 23 by wire 121, by Micro usb 1 23, be Android series mobile phone or the charging of other electronic equipments with the Micro USB interface, wherein the setting of wire can be convenient to the placement of electronic equipment to be charged.As preferably, on shell 100, also be provided with the second output interface, this second output interface is usb 1 30, this usb 1 30 is electrically connected control chip 140, can be the multiple charging of electronic equipment with USB interface by usb 1 30.The vehicle-mounted mobile power supply that is designed to of dual output interface has brought the larger scope of application.
The LED light 150 of one electric connection control chip 140 also can be set particularly, on shell 100.
As shown in Figure 3, be the circuit module figure of another embodiment of the present utility model.In the present embodiment, control chip 140 comprises overcurrent protection unit 401, power conversion unit 402, overvoltage protective unit 403, lithium battery 411, battery charging unit 413 and constant pressure and flow control unit 415.
The output of attaching plug 110 is electrically connected to the input of power conversion unit 402 by described overcurrent protection unit 401, the output of power conversion unit 402 is electrically connected to the first output interface 120 and the second output interface by described overvoltage protective unit 403.The first port of battery charging unit 413 is electrically connected to the output of overvoltage protective unit 403; the second port of battery charging unit 413 is electrically connected lithium battery 411, and its 3rd port is electrically connected to described the first output interface 120 and the second output interface by described constant pressure and flow control unit 415.When automobile starting switch is opened, vehicle-mounted cigarette lighter provides the DC power supply output of 12V, through current protection unit 401, power conversion unit 402 and overvoltage protective unit 403 can be converted to the needed 5V Voltage-output of the utility model output interface by the output of the DC power supply of 12V; Lithium battery 411 is lithium battery 411 chargings by battery charging unit 413 simultaneously, now the first output interface 120 can provide+direct voltage output of 5V, the output current of 1A, the second output interface can provide+direct voltage output of 5V, the output current of 2.1A and lithium battery determine voltage, constant-current charge.When automobile starting switch is closed, vehicle-mounted cigarette lighter stops the DC power supply output of 12V, now the vehicle-mounted mobile power supply can be the various electronic charging by lithium battery 411 electric discharges, in discharge process, lithium battery 411 can be the first output interface 120 by battery charging unit 413, constant pressure and flow control unit 415 and provides+direct voltage output of 5V, the output current of 0.5A, for the second output interface provides+direct voltage output of 5V, the output current of 2.1A, that realizes two output interfaces determines voltage, constant-current discharge.
Based on above-mentioned vehicle-mounted mobile power supply, between lithium battery 411 and battery charging unit 413, also be provided with battery protection unit 412, this battery protection unit 412, for additives for overcharge protection and over, prevents that the situation of putting from appearring overcharging, crossing in the battery lithium battery.As preferably, on control chip 140, also be integrated with one be used to preventing the too high thermal-shutdown circuit of battery temperature 414, this thermal-shutdown circuit 414 is electrically connected battery charging unit 413.Thermal-shutdown circuit 414 comprises a temperature thermistor; this temperature thermistor can detect the surface temperature of lithium battery 411 in real time; and lithium battery 411 surface temperatures too high/while recovering normal temperature; by changing resistance, cut off/recover charge and discharge process; avoid the lasting rising of battery temperature and effectively guaranteed the normal operation of battery, extended the useful life of battery.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and the distortion all should belong to the protection range of the utility model claim within.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203500683U CN203312869U (en) | 2013-06-18 | 2013-06-18 | Vehicle-mounted mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203500683U CN203312869U (en) | 2013-06-18 | 2013-06-18 | Vehicle-mounted mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312869U true CN203312869U (en) | 2013-11-27 |
Family
ID=49619044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203500683U Expired - Fee Related CN203312869U (en) | 2013-06-18 | 2013-06-18 | Vehicle-mounted mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312869U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681751A (en) * | 2017-11-20 | 2018-02-09 | 深圳市邻友通科技发展有限公司 | Vehicle-mounted mobile power supply and its control method and vehicle-mounted monitoring system |
| CN109245595A (en) * | 2018-11-16 | 2019-01-18 | 广州市金特电子科技有限公司 | Synchronous rectification reducing two-way translation circuit and intelligent battery |
| TWI686980B (en) * | 2014-07-24 | 2020-03-01 | 德商潘戴克斯有限公司 | Energy store |
| CN112186858A (en) * | 2020-10-11 | 2021-01-05 | 深圳市爱码芯科技有限公司 | Mobilizable multipurpose charging stick |
-
2013
- 2013-06-18 CN CN2013203500683U patent/CN203312869U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI686980B (en) * | 2014-07-24 | 2020-03-01 | 德商潘戴克斯有限公司 | Energy store |
| CN107681751A (en) * | 2017-11-20 | 2018-02-09 | 深圳市邻友通科技发展有限公司 | Vehicle-mounted mobile power supply and its control method and vehicle-mounted monitoring system |
| CN109245595A (en) * | 2018-11-16 | 2019-01-18 | 广州市金特电子科技有限公司 | Synchronous rectification reducing two-way translation circuit and intelligent battery |
| CN112186858A (en) * | 2020-10-11 | 2021-01-05 | 深圳市爱码芯科技有限公司 | Mobilizable multipurpose charging stick |
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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 |
Granted publication date: 20131127 Termination date: 20160618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |