CN204167962U - A kind of vehicle-mounted mobile power supply with change-over circuit - Google Patents

A kind of vehicle-mounted mobile power supply with change-over circuit Download PDF

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Publication number
CN204167962U
CN204167962U CN201420662905.0U CN201420662905U CN204167962U CN 204167962 U CN204167962 U CN 204167962U CN 201420662905 U CN201420662905 U CN 201420662905U CN 204167962 U CN204167962 U CN 204167962U
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China
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circuit
output
charging
voltage
power supply
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Expired - Fee Related
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CN201420662905.0U
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Chinese (zh)
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宋力群
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Wujiang Drakens Electronics Co Ltd
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Wujiang Drakens Electronics Co Ltd
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Abstract

The utility model discloses a kind of vehicle-mounted mobile power supply with change-over circuit, solving prior art portable power source causes battery of mobile phone to damage and opponent charged the technical problem causing the charging interval long slowly to mobile phone charging is too fast, its drip irrigation device is, comprise battery and charging control output circuit, described charging controls output circuit output and is coupled with voltage detecting circuit, and described voltage detecting circuit comprises charging voltage testing circuit and full voltage testing circuit.Portable power source of the present utility model is by arranging charging voltage testing circuit and electric current output control circuit, make to regulate portable power source to the output current size of charging mobile phone battery by the voltage signal of detection of handset battery, by arranging full voltage testing circuit and power supply output control circuit, automatically the output voltage of portable power source can be cut off, make to preserve the stand-by power supply in portable power source, improve result of use and the flying power of portable power source.

Description

A kind of vehicle-mounted mobile power supply with change-over circuit
Technical field
The utility model relates to a kind of portable power source, and in particular, it relates to a kind of vehicle-mounted mobile power supply with change-over circuit.
Background technology
Portable power source (Mobile Power Pack, MPP), is also named " charger baby " .integrate a portable charger for power supply and charge function, can charge whenever and wherever possible or standby power to digital equipments such as mobile phones.
Current portable power source is generally divided into fast punching and trickle charge, equipment charge is carried out by selecting different size of current delivery outlets, if but always to the equipment such as mobile phone carry out big current rush soon time, the cell damage of mobile phone can be made, if but when carrying out small area analysis trickle charge all the time, a large amount of mobile phone charging intervals can be wasted again, in addition when mobile phone is full of electricity, portable power source still can charge to battery of mobile phone, make to damage battery of mobile phone and the electric energy wasting deposit in portable power source, make to decrease the chargeable number of times of portable power source and flying power.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of fast punching and trickle charge to automatically switch and after being full of electricity the vehicle-mounted mobile power supply of auto-breaking.
For achieving the above object, the utility model provides following technical scheme: a kind of vehicle-mounted mobile power supply with change-over circuit, comprise battery and charging control output circuit, described charging controls output circuit output and is coupled with voltage detecting circuit, described voltage detecting circuit comprises charging voltage testing circuit and full voltage testing circuit
Described charging voltage testing circuit is coupled with electric current output control circuit, described charging controls the circuit signal input charging voltage testing circuit between output circuit output and load and charging voltage testing circuit exports control signal for controlling electric current output control circuit regulation output size of current
Described full voltage testing circuit is coupled with power supply output control circuit, the described charging circuit signal controlled between output circuit output and load inputs full voltage testing circuit and full voltage testing circuit exports control signal cut-offs for controlling the power supply output control circuit power supply controlling output circuit output that controls to charge
The output of described battery is coupled with booster driving circuit.
By adopting technique scheme, when portable power source is when charging to mobile phone, charging voltage testing circuit detects the voltage signal on mobile phone, when the voltage signal detected is lower than preset value, charging voltage testing circuit exports control signal, control electric current output control circuit, make the output current on increasing circuit, accelerate portable power source and the charging interval is reduced to the charging rate of mobile phone, when after a period of time, the voltage signal that charging voltage testing circuit detects is greater than preset value, charging voltage testing circuit is not controlled electric current output control circuit, electric current on charging circuit is diminished, and slowly mobile phone is charged, protection battery of mobile phone useful life, after battery of mobile phone is full of electricity, voltage signal in full voltage testing circuit detection of handset, and compare with the preset value on full voltage testing circuit, after the voltage signal of battery of mobile phone is greater than preset value, full voltage testing circuit exports control signal, control power supply output control circuit, make to cut off the connecting circuit between charging control output circuit output and load, the lasting charging of portable power source to battery of mobile phone is avoided to export, destroy battery of mobile phone and reduce useful life, also the flying power of portable power source can be increased in addition.
The utility model is set to further: described booster driving circuit comprises primary coil and secondary coil,
Primary coil is coupled to battery output, secondary coil and primary coil adaptation.
By adopting technique scheme, raise the voltage of battery output, make the voltage produced can be used for driving, charging voltage testing circuit and full voltage testing circuit, avoid the trouble using other power supplys, and can accept production cost.
The utility model is set to further: described charging voltage testing circuit comprises the first voltage comparator, the first triode and the first relay,
The input of the first voltage comparator receives the voltage signal that charging controls between output circuit output and load respectively, and reference voltage, relatively and export square-wave signal,
The collector electrode of the first triode is connected with power supply, and square-wave signal inputs from base stage, and emitter is by ground connection after the coil of the first relay.
By adopting technique scheme, battery of mobile phone outputs signal the first voltage comparator one input, and another input input reference voltage of the first voltage comparator, make to compare between two voltages, if load voltage is higher than reference voltage, the first voltage comparator is output low level signal not, first triode not conducting, if load voltage is lower than reference voltage, the first voltage comparator exports high-level control signal, makes the first triode ON, makes the first relay work.
The utility model is set to further: described full voltage testing circuit comprises the second voltage comparator, the second triode and the second relay,
The input of the second voltage comparator receives the voltage signal that charging controls between output circuit output and load respectively, and reference voltage, relatively and export square-wave signal,
The collector electrode of the second triode is connected with power supply, and square-wave signal inputs from base stage, and emitter is by ground connection after the coil of the second relay.
By adopting technique scheme, battery of mobile phone outputs signal the second voltage comparator one input, and another input input reference voltage of the second voltage comparator, make to compare between two voltages, if load voltage is higher than reference voltage, the second voltage comparator is output low level signal not, second triode not conducting, if load voltage is lower than reference voltage, the second voltage comparator exports high-level control signal, makes the second triode ON, makes the second relay work.
The utility model has following advantage: by arranging charging voltage testing circuit and electric current output control circuit, make to regulate portable power source to the output current size of charging mobile phone battery by the voltage signal of detection of handset battery, make it possible to improve portable power source and the charging interval is reduced to the charging rate of mobile phone, and the useful life of battery of mobile phone can be protected, by arranging full voltage testing circuit and power supply output control circuit, make battery of mobile phone when being full of electricity, automatically the output voltage of portable power source can be cut off, make to preserve the stand-by power supply in portable power source, improve result of use and the flying power of portable power source.
Accompanying drawing explanation
Fig. 1 is a kind of system block diagram with the vehicle-mounted mobile power supply of change-over circuit of the utility model;
Fig. 2 is that a kind of charging with the vehicle-mounted mobile power supply of change-over circuit of the utility model controls output circuit figure;
Fig. 3 is a kind of booster driving circuit figure with the vehicle-mounted mobile power supply of change-over circuit of the utility model;
Fig. 4 is a kind of charging voltage testing circuit figure with the vehicle-mounted mobile power supply of change-over circuit of the utility model;
Fig. 5 is a kind of full voltage testing circuit figure with the vehicle-mounted mobile power supply of change-over circuit of the utility model.
In figure: 1, booster driving circuit; 2, charging voltage testing circuit; 3, full voltage testing circuit figure.
Embodiment
With reference to shown in Fig. 1, a kind of vehicle-mounted mobile power supply with change-over circuit of the present embodiment, comprise battery BATT and charging control output circuit, described charging controls output circuit output and is coupled with voltage detecting circuit, and described voltage detecting circuit comprises charging voltage testing circuit 2 and full voltage testing circuit 3.
Described charging voltage testing circuit 2 is coupled with electric current output control circuit, and described charging controls the circuit signal input charging voltage testing circuit 2 between output circuit output and load and charging voltage testing circuit 2 exports control signal for controlling electric current output control circuit regulation output size of current.
Described full voltage testing circuit 3 is coupled with power supply output control circuit, and the described charging circuit signal controlled between output circuit output and load inputs full voltage testing circuit 3 and full voltage testing circuit 3 exports control signal cut-offs for controlling the power supply output control circuit power supply controlling output circuit output that controls to charge.The output of described battery is coupled with booster driving circuit 1.
When portable power source is when charging to mobile phone, voltage signal on charging voltage testing circuit 2 pairs of mobile phones detects, when the voltage signal detected is lower than preset value, charging voltage testing circuit 2 exports control signal, control electric current output control circuit, make the output current on increasing circuit, accelerate portable power source and the charging interval is reduced to the charging rate of mobile phone.
When after a period of time; the voltage signal that charging voltage testing circuit 2 detects is greater than preset value, and charging voltage testing circuit 2 is not controlled electric current output control circuit, and the electric current on charging circuit is diminished; and slowly mobile phone is charged, protection battery of mobile phone useful life.
After battery of mobile phone is full of electricity, voltage signal in full voltage testing circuit 3 detection of handset, and compare with the preset value on full voltage testing circuit 3, after the voltage signal of battery of mobile phone is greater than preset value, full voltage testing circuit 3 exports control signal, control power supply output control circuit, make to cut off the connecting circuit between charging control output circuit output and load, the lasting charging of portable power source to battery of mobile phone is avoided to export, destroy battery of mobile phone and reduce useful life, also can increase the flying power of portable power source in addition.
With reference to shown in Fig. 2, for battery and charging control the connecting circuit between output circuit, shunt resistance R8 is parallel with at the output of circuit, and be in series with the normally opened contact K1 of the first relay with shunt resistance R8, control opening of normally opened contact K1 by the coil KM1 break-make of the first relay and close, be in series with the normally-closed contact K2 of the second relay at the output of charging control output circuit, control opening of normally-closed contact K2 by the coil KM2 break-make of the second relay and close.
With reference to shown in Fig. 3, described booster driving circuit comprises primary coil N1 and secondary coil N2, and primary coil N1 is coupled to battery BATT output, and secondary coil N2 and primary coil N2 is adaptive.
Primary coil one end is connected with the positive terminal of battery BATT, other end ground connection, and secondary coil one end ground connection, the other end is as the output of driving power.
With reference to shown in Fig. 4, described charging voltage testing circuit comprises the first voltage comparator, the first triode and the first relay.
The input of the first voltage comparator receives the voltage signal that charging controls between output circuit output and load respectively, and reference voltage, relatively and export square-wave signal.
The collector electrode of the first triode is connected with power supply, and square-wave signal inputs from base stage, and emitter is by ground connection after the coil of the first relay.
The electrode input end of the first voltage comparator LM393A is coupled to charging and controls on output circuit output P1, then the first divider resistance R9 is met at the negative input of the first voltage comparator LM393A, first divider resistance R9 meets secondary coil N2 output P3, make to get by the first divider resistance R9 dividing potential drop and determine preset value reference voltage, then the base stage of the output of the first voltage comparator LM393A with the first triode Q2 is connected, and the collector electrode of the first triode Q2 is connected with secondary coil N2 output P3, again the emitter of the first triode Q2 is connected with the coil of the first relay K M1, and make the coil other end ground connection of the first relay K M1.
With reference to shown in Fig. 5, described full voltage testing circuit comprises the second voltage comparator, the second triode and the second relay.
The input of the second voltage comparator receives the voltage signal that charging controls between output circuit output and load respectively, and reference voltage, relatively and export square-wave signal.
The collector electrode of the second triode is connected with power supply, and square-wave signal inputs from base stage, and emitter is by ground connection after the coil of the second relay.
The electrode input end of the second voltage comparator LM393B is coupled to charging and controls on output circuit output P1, then the second divider resistance R10 is met at the negative input of the second voltage comparator LM393B, second divider resistance R10 meets secondary coil N2 output P3, make to get by the second divider resistance R10 dividing potential drop and determine preset value reference voltage, then the base stage of the output of the second voltage comparator LM393B with the second triode Q3 is connected, and the collector electrode of the second triode Q3 is connected with secondary coil N2 output P3, again the emitter of the second triode Q3 is connected with the coil of the second relay K M2, and make the coil other end ground connection of the second relay K M2.
First voltage comparator and the second voltage comparator all adopt LM393 model integrated chip.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (4)

1. one kind has the vehicle-mounted mobile power supply of change-over circuit, comprise battery and charging control output circuit, it is characterized in that: described charging controls output circuit output and is coupled with voltage detecting circuit, and described voltage detecting circuit comprises charging voltage testing circuit and full voltage testing circuit
Described charging voltage testing circuit is coupled with electric current output control circuit, described charging controls the circuit signal input charging voltage testing circuit between output circuit output and load and charging voltage testing circuit exports control signal for controlling electric current output control circuit regulation output size of current
Described full voltage testing circuit is coupled with power supply output control circuit, the described charging circuit signal controlled between output circuit output and load inputs full voltage testing circuit and full voltage testing circuit exports control signal cut-offs for controlling the power supply output control circuit power supply controlling output circuit output that controls to charge
The output of described battery is coupled with booster driving circuit.
2. a kind of vehicle-mounted mobile power supply with change-over circuit according to claim 1, is characterized in that: described booster driving circuit comprises primary coil and secondary coil,
Primary coil is coupled to battery output, secondary coil and primary coil adaptation.
3. a kind of vehicle-mounted mobile power supply with change-over circuit according to claim 1 and 2, is characterized in that: described charging voltage testing circuit comprises the first voltage comparator, the first triode and the first relay,
The input of the first voltage comparator receives the voltage signal that charging controls between output circuit output and load respectively, and reference voltage, relatively and export square-wave signal,
The collector electrode of the first triode is connected with power supply, and square-wave signal inputs from base stage, and emitter is by ground connection after the coil of the first relay.
4. a kind of vehicle-mounted mobile power supply with change-over circuit according to claim 1 and 2, is characterized in that: described full voltage testing circuit comprises the second voltage comparator, the second triode and the second relay,
The input of the second voltage comparator receives the voltage signal that charging controls between output circuit output and load respectively, and reference voltage, relatively and export square-wave signal,
The collector electrode of the second triode is connected with power supply, and square-wave signal inputs from base stage, and emitter is by ground connection after the coil of the second relay.
CN201420662905.0U 2014-11-08 2014-11-08 A kind of vehicle-mounted mobile power supply with change-over circuit Expired - Fee Related CN204167962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420662905.0U CN204167962U (en) 2014-11-08 2014-11-08 A kind of vehicle-mounted mobile power supply with change-over circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420662905.0U CN204167962U (en) 2014-11-08 2014-11-08 A kind of vehicle-mounted mobile power supply with change-over circuit

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Publication Number Publication Date
CN204167962U true CN204167962U (en) 2015-02-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109980752A (en) * 2019-05-09 2019-07-05 奇越科技(北京)有限公司 A kind of intelligent battery of configurable output and the configuration method of intelligent battery
CN111682599A (en) * 2020-05-11 2020-09-18 广东天波信息技术股份有限公司 Charging control method, device and system for lithium battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109980752A (en) * 2019-05-09 2019-07-05 奇越科技(北京)有限公司 A kind of intelligent battery of configurable output and the configuration method of intelligent battery
CN109980752B (en) * 2019-05-09 2021-12-14 奇越科技(北京)有限公司 Intelligent battery capable of configuring output and configuration method of intelligent battery
CN111682599A (en) * 2020-05-11 2020-09-18 广东天波信息技术股份有限公司 Charging control method, device and system for lithium battery

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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: 20150218

Termination date: 20181108