CN204258375U - A kind of portable power source - Google Patents
A kind of portable power source Download PDFInfo
- Publication number
- CN204258375U CN204258375U CN201420764553.XU CN201420764553U CN204258375U CN 204258375 U CN204258375 U CN 204258375U CN 201420764553 U CN201420764553 U CN 201420764553U CN 204258375 U CN204258375 U CN 204258375U
- Authority
- CN
- China
- Prior art keywords
- oxide
- disposable battery
- metal
- semiconductor
- usb interface
- Prior art date
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of portable power source, comprise the disposable battery, switch block, discharge circuit and the USB interface that connect successively, described switch block is for controlling disposable battery and discharge circuit turns off or conducting, under switch block conducting state, described disposable battery is discharged to USB interface by discharge circuit, under switch block off state, described disposable battery stops discharging to USB interface.The utility model adopts switch block to control disposable battery and discharging circuit conduction, discharges to USB interface to realize disposable battery, namely in the electric discharge not needing to realize when charging USB interface.
Description
Technical field
The utility model relates to a kind of portable power source, more particularly, and the portable power source of particularly a kind of single USB interface electric discharge without the need to charging.
Background technology
In today that the electronic equipments such as mobile phone are more and more popularized, portable power source application is also more and more extensive.Existing portable power source is the scheme adopting rechargeable battery substantially, that is: the rechargeable battery of portable power source is full of electricity, and then electronic equipment is charged, after the electric energy of battery to be charged is finished, again rechargeable battery is charged, and charging employing is the alternating voltages such as 115V, 220V (according to the standard of country variant, can adopt different voltage).The shortcoming that this scheme exists is: need often to charge to rechargeable battery, because crowd's major part of carrying portable power source is in states such as going on business, be not easy to charge to portable power source, which results in the requirement that portable power source can not meet use.Therefore, the portable power source designing a kind of single USB interface electric discharge without the need to charging is necessary.
Utility model content
The purpose of this utility model is the portable power source providing a kind of single USB interface electric discharge without the need to charging.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of portable power source, comprise the disposable battery, switch block, discharge circuit and the USB interface that connect successively, described switch block is for controlling disposable battery and discharge circuit turns off or conducting, under switch block conducting state, described disposable battery is discharged to USB interface by discharge circuit, under switch block off state, described disposable battery stops discharging to USB interface.
Preferably, described discharge circuit comprises main control chip and triode, described switch block is connected between the collector electrode of triode and the first pin of main control chip, the base earth of described triode, the emitter of described triode is connected with the 8th pin of main control chip, first pin of described main control chip is also connected with the positive pole of disposable battery, the minus earth of disposable battery, and described USB interface is connected with the 5th pin of main control chip.
Preferably, described discharge circuit also comprises first to fourth electric capacity, described first electric capacity is connected between the positive pole of disposable battery and negative pole, the 3rd of main control chip the is connected between pin and the negative pole of disposable battery after described third and fourth Capacitance parallel connection, and the 3rd pin of main control chip is connected with the 4th pin, described second electric capacity be connected to USB interface VCC end and between GND holds.
Preferably, described discharge circuit also comprises the first to the 8th resistance and LED, described first resistance is connected between the emitter of triode and base stage, described second resistance one end is connected with the 5th pin of main control chip, the other end is connected with the 4th resistance parallel with one another and the 6th resistance, described 4th resistance and the 6th resistance are connected with the positive pole of USB interface and negative pole respectively, described 3rd resistance one end is connected with the second resistance, other end ground connection, described 5th resistance is connected between the positive pole of USB interface and GND hold, described 7th resistance is connected between the negative pole of USB interface and GND hold, the anode of described LED is held with the VCC of USB interface and is connected, its negative electrode is by ground connection after the 8th resistance.
Preferably, described switch block is control of discharge toggle switch, first pin of described control of discharge toggle switch is connected with the collector electrode of triode, second pin of control of discharge toggle switch is connected with the positive pole of disposable battery, and the 3rd pin of control of discharge toggle switch is connected with the negative pole of disposable battery.
Preferably, described discharge circuit comprises the booster circuit and voltage stabilizing circuit that connect successively, and described booster circuit is also connected with switch block, and described voltage stabilizing circuit is also connected with USB interface.
Preferably, described booster circuit comprises boost inductance and boost chip, and one end of described boost inductance is connected with switch block, and its other end is connected with boost chip, and described boost chip is connected with voltage stabilizing circuit.
Preferably, described voltage stabilizing circuit comprises the first operational amplifier, the second operational amplifier, source of stable pressure, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor; The input cathode of described first operational amplifier is connected with source of stable pressure, its output is connected with the source electrode of the first metal-oxide-semiconductor, the grid of the first metal-oxide-semiconductor is connected with the grid of the second metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor is connected with the output of the second operational amplifier, the input cathode of the second operational amplifier is connected with power vd D, and the output of described second operational amplifier is also connected with the output of booster circuit.
Preferably, described switch block is power switch circuit, and described power switch circuit comprises switch, the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor, and one end of described switch is connected with the source electrode of the 3rd metal-oxide-semiconductor, the other end is connected with the drain electrode of the 3rd metal-oxide-semiconductor, the grounded-grid of described three metal-oxide-semiconductors; The source electrode of described 4th metal-oxide-semiconductor is connected with the drain electrode of the 3rd metal-oxide-semiconductor, and its drain electrode is connected with the positive pole of disposable battery, and its grid is connected with booster circuit.
Preferably, the model of described disposable battery is CR123.
Compared with prior art, the utility model has the advantage of: the utility model adopts switch block to control disposable battery and discharging circuit conduction, discharge to USB interface to realize disposable battery, namely in the electric discharge not needing to realize when charging USB interface.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the frame diagram of portable power source described in the utility model.
Fig. 2 is the circuit diagram of discharge circuit in embodiment one.
Fig. 3 is the circuit diagram of discharge circuit in embodiment two.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Embodiment one
Consult shown in Fig. 1, the present embodiment provides a kind of portable power source, comprise the disposable battery 1, switch block 2, discharge circuit 3 and the USB interface 4 that connect successively, switch block 2 turns off or conducting with discharge circuit 3 for controlling disposable battery 1, under switch block 2 conducting state, disposable battery 1 is discharged to USB interface 4 by discharge circuit 3, and the electronic equipment be inserted in like this in USB interface 4 can realize charging; And under switch block 2 off state, disposable battery 1 stops discharging to USB interface 4.
Consult shown in Fig. 2, discharge circuit 3 in the present embodiment comprises main control chip IC1 and triode Q, switch block 2 is connected between the collector electrode of triode Q and first pin of main control chip IC1, the base earth of triode Q, the emitter of triode Q is connected with the 8th pin of main control chip IC1, first pin of main control chip IC1 is also connected with the positive pole of disposable battery 1, the minus earth of disposable battery 1, and USB interface 4 is connected with the 5th pin of main control chip IC1.
Discharge circuit 3 also comprises first to fourth electric capacity C1-C4, between the positive pole that first electric capacity C1 is connected to disposable battery 1 and negative pole, be connected to after third and fourth electric capacity C3, C4 parallel connection between the 3rd pin of main control chip IC1 and the negative pole of disposable battery 1, and the 3rd pin of main control chip IC1 is connected with the 4th pin, the second electric capacity C2 be connected to USB interface 4 VCC end and between GND holds.
Discharge circuit 3 also comprises the first to the 8th resistance R1-R8 and LED, between the emitter that first resistance R1 is connected to triode Q and base stage, second resistance R2 one end is connected with the 5th pin of main control chip IC1, the other end is connected with the 4th resistance R4 parallel with one another and the 6th resistance R6, 4th resistance R4 and the 6th resistance R6 are connected with the positive pole of USB interface 4 and negative pole respectively, 3rd resistance R3 one end is connected with the second resistance R2, other end ground connection, 5th resistance R5 is connected between the positive pole of USB interface 4 and GND hold, 7th resistance R7 is connected between the negative pole of USB interface 4 and GND hold, the anode of LED is held with the VCC of USB interface 4 and is connected, its negative electrode is by ground connection after the 8th resistance R8.
Switch block 2 in the present embodiment is control of discharge toggle switch K, first pin of control of discharge toggle switch K is connected with the collector electrode of triode Q, second pin of control of discharge toggle switch is connected with the positive pole of disposable battery 1, and the 3rd pin of control of discharge toggle switch is connected with the negative pole of disposable battery 1.
As preferably, main control chip IC1 selects model to be the chip of B9E126545.
The operation principle of the portable power source of the present embodiment is: portable power source descends the second pin of control of discharge toggle switch and the 3rd pin to link together in off position, triode Q collector electrode is in low level, triode Q works, 8th pin of main control chip IC1 is moved to ground, be in low level, the 5th pin of main control chip IC1 is not exported; Stir control of discharge toggle switch, its first pin and the second pin are linked together, triode Q collector electrode is in high level and does not work, and make the 8th pin of main control chip IC1 be in high level, the 5th pin output voltage of main control chip IC1 discharges to USB interface 4.LED is electric discharge display lamp, lights when the 5th pin of main control chip IC1 has and exports and externally discharge.3rd, the 4th pin of main control chip IC1 is output voltage feedback pin, and the second resistance R2, the 3rd resistance R3 are sample resistance.
The portable power source of the present embodiment can make arbitrary shape at the textural of mechanical structure, such as the regular shape such as cylindrical, square or other are irregularly shaped.
As preferably, the model of the disposable battery 1 in the present embodiment is CR123; Learn through overtesting, when adopting two nodal patterns number to be the disposable battery 1 of CR123, electricity can be full of to an Iphone mobile phone.Certainly, the present embodiment also can adopt the disposable battery of other models.
The utility model adopts control of discharge toggle switch to control disposable battery 1 and discharge circuit 3 conducting, discharges to USB interface 4 to realize disposable battery 1, namely in the electric discharge not needing to realize when charging USB interface 4.
Embodiment two
Consult shown in Fig. 3, other structures of the present embodiment are identical with embodiment one, difference is: the discharge circuit 3 of the present embodiment comprises the booster circuit 31 and voltage stabilizing circuit 32 that connect successively, and booster circuit 31 is also connected with switch block 2, and voltage stabilizing circuit 32 is also connected with USB interface 4.
Concrete, booster circuit 31 comprises boost inductance L1 and boost chip U3, and one end of described boost inductance L1 is connected with switch block 2, and its other end is connected with boost chip U3, and boost chip U3 is connected with voltage stabilizing circuit 32.In booster circuit, the voltage that battery inputs in discharge process can decline, or when inputting the battery using voltage lower, maintain output voltage is 5V, just must use this booster circuit.Voltage stabilizing circuit 32 comprises the first operational amplifier U2A, the second operational amplifier U2B, source of stable pressure, the first metal-oxide-semiconductor Q10 and the second metal-oxide-semiconductor Q20; The input cathode of the first operational amplifier U2A is connected with source of stable pressure, its output is connected with the source electrode of the first metal-oxide-semiconductor Q10, the grid of the first metal-oxide-semiconductor Q10 is connected with the grid of the second metal-oxide-semiconductor Q20, the source electrode of the second metal-oxide-semiconductor Q20 is connected with the output of the second operational amplifier U2B, the input cathode of the second operational amplifier U2B is connected with power vd D, and the output of the second operational amplifier U2B is also connected with the output of booster circuit 31.Second operational amplifier U2B detects input voltage and output voltage simultaneously, only has when output voltage is lower than input voltage, the second metal-oxide-semiconductor Q20 just conducting, prevents from charging to input conversely during the voltage height of output equipment.The model of source of stable pressure is TL431AIDBZR, and it forms a reference voltage, and the first operational amplifier U2A detects output voltage, when output voltage is lower than reference voltage, the first metal-oxide-semiconductor Q10 conducting, VDD is to output electric discharge, equipment is in load charged state, and namely equipment discharges to USB interface 4.
Concrete, switch block 2 is power switch circuit, and power switch circuit comprises interrupteur SW 1, the 3rd metal-oxide-semiconductor Q30 and the 4th metal-oxide-semiconductor Q40, and one end of interrupteur SW 1 is connected with the source electrode of the 3rd metal-oxide-semiconductor Q30, the other end is connected with the drain electrode of the 3rd metal-oxide-semiconductor Q30, the grounded-grid of three metal-oxide-semiconductor Q30; The source electrode of the 4th metal-oxide-semiconductor Q40 is connected with the drain electrode of the 3rd metal-oxide-semiconductor Q30, and its drain electrode is connected with the positive pole of disposable battery 1, and its grid is connected with booster circuit 31.The implementation procedure of this power switch circuit is: before interrupteur SW 1 is pressed, VDD does not have voltage, so electric capacity C100 does not have voltage, 3rd metal-oxide-semiconductor Q30 turns off, the positive pole B+ of disposable battery 1 is charged to C90 by resistance R130, R150, R160, now, the 4th metal-oxide-semiconductor Q40 also turns off, and power switch circuit does not work.When pressing interrupteur SW 1, electric capacity C90 charges to electric capacity C100, because the electric capacity of electric capacity C90 is much larger than C100, electric capacity C100 can be made to be full of very soon, therefore, 3rd metal-oxide-semiconductor Q30 conducting, resistance R130 has electric current and flows through, the 4th metal-oxide-semiconductor Q40 also conducting, and the positive pole B+ of disposable battery 1 discharges to VDD, equipment is started working, by disposable battery 1 and discharge circuit 3 conducting.
When interrupteur SW 1 is unclamped, electric capacity C90 no longer charges to electric capacity C100, and transfer to and maintain power supply by resistance R140 to electric capacity C100 by VDD, equipment continuous firing, due to the 3rd metal-oxide-semiconductor Q30 conducting, electric capacity C90 is discharged to 0V by resistance R160, the 3rd metal-oxide-semiconductor Q30.When again pressing interrupteur SW 1, because electric capacity C90 voltage is 0V, C10 is shorted to 0V, 3rd metal-oxide-semiconductor Q30 turns off rapidly, 4th metal-oxide-semiconductor Q40 also turns off, the positive pole B+ of disposable battery 1 no longer powers to VDD, electric charge on electric capacity C10 is discharged rapidly by the discharge circuit 3 of rear class, portable power source does not work, when interrupteur SW 1 is unclamped, because VDD is discharged, electric capacity C100 does not have charge circuit, maintain low level, the 3rd metal-oxide-semiconductor Q30, the 4th metal-oxide-semiconductor Q40 all turn off, and portable power source quits work.
Equally, the portable power source of the present embodiment can make arbitrary shape at the textural of mechanical structure, such as the regular shape such as cylindrical, square or other are irregularly shaped.
As preferably, the model of the disposable battery 1 in the present embodiment is CR123; Learn through overtesting, when adopting two nodal patterns number to be the disposable battery 1 of CR123, electricity can be full of to an Iphone mobile phone.Certainly, the present embodiment also can adopt the disposable battery of other models.
The utility model adopts control of discharge toggle switch to control disposable battery 1 and discharge circuit 3 conducting, discharges to USB interface 4 to realize disposable battery 1, namely in the electric discharge not needing to realize when charging USB interface 4.
Although describe execution mode of the present utility model by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection range described by claim of the present utility model, all should within protection range of the present utility model.
Claims (10)
1. a portable power source, it is characterized in that, comprise the disposable battery, switch block, discharge circuit and the USB interface that connect successively, described switch block is for controlling disposable battery and discharge circuit turns off or conducting, under switch block conducting state, described disposable battery is discharged to USB interface by discharge circuit, and under switch block off state, described disposable battery stops discharging to USB interface.
2. portable power source according to claim 1, it is characterized in that, described discharge circuit comprises main control chip and triode, described switch block is connected between the collector electrode of triode and the first pin of main control chip, the base earth of described triode, the emitter of described triode is connected with the 8th pin of main control chip, first pin of described main control chip is also connected with the positive pole of disposable battery, the minus earth of disposable battery, described USB interface is connected with the 5th pin of main control chip.
3. portable power source according to claim 2, it is characterized in that, described discharge circuit also comprises first to fourth electric capacity, described first electric capacity is connected between the positive pole of disposable battery and negative pole, the 3rd of main control chip the is connected between pin and the negative pole of disposable battery after described third and fourth Capacitance parallel connection, and the 3rd pin of main control chip is connected with the 4th pin, described second electric capacity be connected to USB interface VCC end and between GND holds.
4. portable power source according to claim 2, it is characterized in that, described discharge circuit also comprises the first to the 8th resistance and LED, described first resistance is connected between the emitter of triode and base stage, described second resistance one end is connected with the 5th pin of main control chip, the other end is connected with the 4th resistance parallel with one another and the 6th resistance, described 4th resistance and the 6th resistance are connected with the positive pole of USB interface and negative pole respectively, described 3rd resistance one end is connected with the second resistance, other end ground connection, described 5th resistance is connected between the positive pole of USB interface and GND hold, described 7th resistance is connected between the negative pole of USB interface and GND hold, the anode of described LED is held with the VCC of USB interface and is connected, its negative electrode is by ground connection after the 8th resistance.
5. portable power source according to claim 2, it is characterized in that, described switch block is control of discharge toggle switch, first pin of described control of discharge toggle switch is connected with the collector electrode of triode, second pin of control of discharge toggle switch is connected with the positive pole of disposable battery, and the 3rd pin of control of discharge toggle switch is connected with the negative pole of disposable battery.
6. portable power source according to claim 1, is characterized in that, described discharge circuit comprises the booster circuit and voltage stabilizing circuit that connect successively, and described booster circuit is also connected with switch block, and described voltage stabilizing circuit is also connected with USB interface.
7. portable power source according to claim 6, it is characterized in that, described booster circuit comprises boost inductance and boost chip, and one end of described boost inductance is connected with switch block, its other end is connected with boost chip, and described boost chip is connected with voltage stabilizing circuit.
8. portable power source according to claim 6, is characterized in that, described voltage stabilizing circuit comprises the first operational amplifier, the second operational amplifier, source of stable pressure, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor; The input cathode of described first operational amplifier is connected with source of stable pressure, its output is connected with the source electrode of the first metal-oxide-semiconductor, the grid of the first metal-oxide-semiconductor is connected with the grid of the second metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor is connected with the output of the second operational amplifier, the input cathode of the second operational amplifier is connected with power vd D, and the output of described second operational amplifier is also connected with the output of booster circuit.
9. portable power source according to claim 6, it is characterized in that, described switch block is power switch circuit, described power switch circuit comprises switch, the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor, one end of described switch is connected with the source electrode of the 3rd metal-oxide-semiconductor, the other end is connected with the drain electrode of the 3rd metal-oxide-semiconductor, the grounded-grid of described three metal-oxide-semiconductors; The source electrode of described 4th metal-oxide-semiconductor is connected with the drain electrode of the 3rd metal-oxide-semiconductor, and its drain electrode is connected with the positive pole of disposable battery, and its grid is connected with booster circuit.
10. the portable power source according to claim 1 to 9 any one, is characterized in that, the model of described disposable battery is CR123.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764553.XU CN204258375U (en) | 2014-12-08 | 2014-12-08 | A kind of portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764553.XU CN204258375U (en) | 2014-12-08 | 2014-12-08 | A kind of portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258375U true CN204258375U (en) | 2015-04-08 |
Family
ID=52962642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420764553.XU Expired - Fee Related CN204258375U (en) | 2014-12-08 | 2014-12-08 | A kind of portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204258375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105847685A (en) * | 2016-04-05 | 2016-08-10 | 北京玖柏图技术股份有限公司 | Single lens reflex controller capable of controlling single lens reflex through intelligent terminal APP |
-
2014
- 2014-12-08 CN CN201420764553.XU patent/CN204258375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105847685A (en) * | 2016-04-05 | 2016-08-10 | 北京玖柏图技术股份有限公司 | Single lens reflex controller capable of controlling single lens reflex through intelligent terminal APP |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10250059B2 (en) | Charging circuit for battery-powered device | |
| CN105471049A (en) | Charging circuit | |
| CN104065124A (en) | Mobile terminal with false battery function and false battery enabling and disabling method thereof | |
| CN104506055A (en) | Adaptive voltage output power circuit and power source device | |
| CN106982493A (en) | A kind of under-voltage protecting circuit for LED lamp | |
| CN204290475U (en) | Power supply switch circuit and electronic equipment | |
| CN203675400U (en) | LED drive device, battery charger and drive control circuit thereof | |
| CN204258375U (en) | A kind of portable power source | |
| CN206602383U (en) | A kind of charged state cue circuit | |
| CN102904325B (en) | Integrated charger of mobile terminal and method for charging mobile terminal | |
| CN100355180C (en) | Method and device for reducing electric source power of terminal apparatus | |
| CN204794273U (en) | Charging circuit with fill soon with trickle charge function | |
| CN104734302A (en) | Power supply circuit and method | |
| CN204103765U (en) | A kind of battery simulator | |
| CN105634046A (en) | Self-generating backup power supply | |
| CN202997922U (en) | Auxiliary power supply used for switch power supply starting | |
| CN202076384U (en) | Mobile power supply capable of changing output parameter of USB (Universal Serial Bus) jack | |
| CN205335894U (en) | Convenient and practical's portable battery charger | |
| CN211046540U (en) | Battery pack charging device | |
| CN207010295U (en) | Power circuit | |
| CN207743756U (en) | Power supply switch circuit | |
| CN103490455A (en) | Portable charging device | |
| CN208046279U (en) | A kind of expansible charge controller and power supply | |
| CN107863802B (en) | Battery charging and discharging circuit | |
| CN204794185U (en) | Lithium batteries control circuit of solar energy power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Guangzhou Inventor before: Shang Tingting |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHANG TINGTING TO: HUANG GUANGZHOU |
|
| 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: 20150408 Termination date: 20181208 |