CN206878485U - A kind of electricity collection charger based on low-power consumption high conversion - Google Patents
A kind of electricity collection charger based on low-power consumption high conversion Download PDFInfo
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- CN206878485U CN206878485U CN201720323279.6U CN201720323279U CN206878485U CN 206878485 U CN206878485 U CN 206878485U CN 201720323279 U CN201720323279 U CN 201720323279U CN 206878485 U CN206878485 U CN 206878485U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 41
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 238000005070 sampling Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model belongs to charger field, more particularly to a kind of electricity collection charger based on low-power consumption high conversion.The utility model is made up of gear selecting switch module, reduction voltage circuit module, booster circuit module, supervisory circuit module and anti-battery discharge circuit module, it is intended to is solved the problems, such as to reduce DC power convertor power consumption, is reduced cost, improves electric energy conversion efficiency.For the gear selecting switch module according to the voltage swing of input, the booster circuit module or the reduction voltage circuit module are opened in selection, when supply voltage is in 10V~20V, select reduction voltage circuit module；When supply voltage is in 0~3.6V, booster circuit module is selected；The booster circuit module or the reduction voltage circuit module can give the supervisory circuit to power, and can pass through the anti-battery discharge circuit module output charging current；The supervisory circuit module can monitor the reduction voltage circuit module and the booster circuit module, and show electric current.
Description
Technical field
The utility model belongs to charger field, more particularly to a kind of electricity collection charging based on low-power consumption high conversion
Device.
Background technology
The promotion and popularization and the rapid development of battery powered mobile electronic equipment applied with distributed power supply system, its
Power-supply system need to DC/DC power modules it is more and more, to its performance requirement more and more higher.Remove classical electrical energy index with
Outside, the requirement more and more higher to its power density, to conversion efficiency requirement also more and more higher.Therefore how to develop design it is higher
Power density, more high conversion efficiency, the DC/DC converters of more inexpensive higher performance are that Power Electronic Technique engineer chases after all the time
The target asked.
From late nineteen eighties, engineers improve power density to reduce the volume of DC/DC converters, first from
The working frequency for increasing substantially Switching Power Supply is done, but this result of efforts is significantly to reduce volume, but reduces effect
Rate.Heating increases, volume-diminished, and sad high temperature closes.
Utility model content
The purpose of this utility model is to provide a kind of electricity collection charger of low-power consumption high conversion, it is intended to solves drop
Low DC power convertor power consumption, reduce cost, improve the problem of electric energy conversion efficiency.
The technical solution of the utility model is as follows：
A kind of electricity collection charger based on low-power consumption high conversion, including：Switch module, reduction voltage circuit module, liter
Volt circuit module, supervisory circuit module and anti-battery discharge circuit module, the gear selecting switch module connect the reduction voltage circuit
Module and the booster circuit module；The reduction voltage circuit module is all connected with the supervisory circuit mould with the booster circuit module
Block and the anti-battery discharge circuit module.
Further according to the electricity collection charger described in the utility model based on low-power consumption high conversion, the gear selecting
Switch module selects to open the booster circuit module or the reduction voltage circuit module, works as power supply according to the voltage swing of input
Voltage selects reduction voltage circuit module in 10V~20V；When supply voltage is in 0~3.6V, booster circuit module is selected；Institute
Stating booster circuit module or the reduction voltage circuit module can power to the supervisory circuit, and can pass through the anti-battery discharge
Circuit module exports charging current；The supervisory circuit module can monitor the reduction voltage circuit module and the booster circuit mould
Block, and show electric current.
Further according to the electricity collection charger described in the utility model based on low-power consumption high conversion, the decompression
Circuit module only contains voltage conversion circuit, by 1 TPS5430,1 inductance, 1 voltage-regulator diode, 2 resistance and 4 electrolysis
Electric capacity forms；The pin of the TPS5430 has Vin, ENA, GND, BOOT, PH, VSNS, PWPD, the pin Vin connections electricity
The Vin ports on road, also connect electric capacity C1 positive poles and electric capacity C2 positive poles, electric capacity C1 negative poles and electric capacity C2 negative poles ground connection；Pin ENA connects
Meet the EN of the circuit；Pin GND and pin PWPD ground connection；Pin BOOT connection electric capacity C3 positive poles, the electric capacity C3 negative poles connect
Connect inductance L1 and voltage-regulator diode D1 negative pole, one end of the inductance L1 connection electric capacity C4, resistance R1 one end and the electricity
Road Port ports, the electric capacity C4 other ends ground connection, the resistance R1 other ends connection resistance R2；Pin PH connection electric capacity C3 is born
Pole and voltage-regulator diode D1 negative poles, the voltage-regulator diode D1 ground connection；VSNS pins connection resistance R1, resistance R2, resistance R2 connect
Ground.
Further according to the electricity collection charger described in the utility model based on low-power consumption high conversion, the boosting
Circuit module contains start-up circuit and voltage conversion circuit；The start-up circuit includes 1 TS5A3166,2 electrochemical capacitors,
TS5A3166 pin has NO, IN, V+, COM and GND, and pin NO, IN and V+ connect the circuit Vin ports and electric capacity C8
Positive pole, electric capacity C8 negative poles ground connection；The pin COM connections circuit Vout ports and electric capacity C9 positive pole, the electric capacity
C9 negative pole ground connection；Pin GND is grounded；VAUX is TS5A3166 control source control terminals, when TS5A3166 chips just start work
VAUX disconnects main output when making, and when being charged to 2.5V in VAUX capacitor, TS5A3166 chips enter normal mode；
TPS61200 is when input voltage up changes from 0V, if load resistance is smaller, internal short-circuit protection circuit starts, and is chip
Can not normal work, it is necessary to first disconnecting consumers, when VAUX is charged to 2.5V, chip can start after work along with load；Institute
Stating voltage conversion circuit includes 1 TPS61200,2 resistance, 1 inductance and 3 electric capacity；TPS61200 pin include Vin,
PS, UVLO, EN, VAUX, GND, L, Vout, FB and PGND, pin Vin, PS, UVLO connect the Vin ports of the circuit, electric capacity
C5 one end and inductance L2 one end, the electric capacity C5 other ends ground connection, another termination L of inductance L2；Pin EN connects described
The MSP430 of circuit；Pin VAUX meets electric capacity C7, and the other end of the electric capacity C7 is grounded and the shell that picks；Pin GND is grounded, simultaneously
Pick shell；Pin Vout connecting resistances R3 one end, electric capacity C6 one end and the Vout pins of the circuit, the resistance R3 are another
One terminating resistor R4, the electric capacity C6 other ends ground connection；Pin FB connecting resistances R4 one end, another termination of the resistance R4
Ground；Pin PGND picks shell.
Further according to the electricity collection charger described in the utility model based on low-power consumption high conversion, the monitoring
Circuit module, including supervisory circuit and display unit, including 2 sampling resistors, 1 differential amplifier circuit, 1 MSP430；Difference
Amplifying circuit is divided to include 1 operational amplifier OPA335,4 resistance；The operational amplifier OPA335 has 8 pins, pin 2
Connection resistance R5, resistance R8, the resistance R5 connections sampling resistor+, the resistance R8 connections pin 6 and Vo ports；The fortune
The calculation amplifier OPA335 connection resistance R6 and resistance R7 of pin 3, the resistance R6 connections sampling resistor-, the resistance R7 connects
Connect pin 4 and be grounded；The pin 6 of the operational amplifier OPA335 connects Vo ports；The pin 7 of the operational amplifier OPA335
Connect VCC ports.
It is described anti-electric further according to the electricity collection charger described in the utility model based on low-power consumption high conversion
Tank discharge circuit adds an analog switch TS5A3166, voltage with foregoing start-up circuit between charger output end and battery
When conversion chip is not actuated, analog switch disconnecting consumers, mould can be opened when output voltage is sufficiently large after voltage conversion chip starts
Intend switch, charge the battery, when charger voltage is low, analog switch disconnects, and can prevent battery discharge.
Compared with present technology, its advantage is the utility model：
1. the utility model is using MSP430 as core is monitored and controlled, using intermittent duty, with efficient collection
Into switching power source chip, electrical energy conversion circuit uses Switching Power Supply direct current transformation technology, reduces power consumption to the full extent, subtract
Small cost, improves electric energy conversion efficiency.
2. the utility model can monitor the intermittent time by key assignments, simultaneously real-time display charge power supply voltage and charging electricity are monitored
Stream, it is simple to operate also with overvoltage protection, short-circuit protection function, and friendly interface.
3. peripheral circuit is simple, small volume, and input voltage range is big.
Brief description of the drawings
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is the voltage conversion circuit of reduction voltage circuit module；
Fig. 3 is the start-up circuit of booster circuit module and anti-battery discharge circuit module；
Fig. 4 is the voltage conversion circuit of booster circuit module；
Fig. 5 is the differential amplifier circuit that the supervisory circuit of supervisory circuit module is included.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.It should be appreciated that specific embodiment described herein is only to explain the utility model,
It is not used to limit the utility model.
As shown in figure 1, the utility model includes gear selecting switch module, reduction voltage circuit module, booster circuit module, monitoring electricity
Road module and anti-battery discharge circuit module.
The gear selecting switch module connects the reduction voltage circuit module and the booster circuit module；The reduction voltage circuit mould
Block is all connected with the supervisory circuit module and the anti-battery discharge circuit module with the booster circuit module.
The gear selecting switch module selects to open the booster circuit module or the decompression according to the voltage swing of input
Circuit module, when supply voltage is in 10V~20V, select reduction voltage circuit module；When supply voltage is in 0~3.6V, selection rises
Volt circuit module；The booster circuit module or the reduction voltage circuit module can give the supervisory circuit to power, and can pass through
The anti-battery discharge circuit module output charging current；The supervisory circuit module can monitor the reduction voltage circuit module with
The booster circuit module, and show electric current.
As shown in Fig. 2 the reduction voltage circuit module only contains voltage conversion circuit, by 1 TPS5430,1 inductance, 1 it is steady
Press diode, 2 resistance and 4 electrochemical capacitor compositions.
The pin of the TPS5430 has Vin, ENA, GND, BOOT, PH, VSNS, PWPD.The pin Vin connections circuit
Vin ports, also connect electric capacity C1 positive poles and electric capacity C2 positive poles, electric capacity C1 negative poles and electric capacity C2 negative poles ground connection；Pin ENA connections
The EN of the circuit；Pin GND and pin PWPD ground connection；Pin BOOT connection electric capacity C3 positive poles, the electric capacity C3 negative poles connection
Inductance L1 and voltage-regulator diode D1 negative pole, one end of the inductance L1 connection electric capacity C4, resistance R1 one end and the circuit
Port ports, the electric capacity C4 other ends ground connection, the resistance R1 other ends connection resistance R2；Pin PH connection electric capacity C3 negative poles
With voltage-regulator diode D1 negative poles, the voltage-regulator diode D1 ground connection；VSNS pins connection resistance R1, resistance R2, resistance R2 connect
Ground.
The reduction voltage circuit module employs step-down switching converter TPS5430, input voltage 4.5V~40V, can be stable
Export in 3.6V, work as Vo=3.6V, Io=0.2A, Vin are when 5.5~20V changes, efficiency more than 90%.Chip is with inside
Over-current over-voltage protection, make the safer stabilization of circuit.
The booster circuit module contains start-up circuit and voltage conversion circuit.
As shown in figure 3, the start-up circuit includes 1 TS5A3166,2 electrochemical capacitors.TS5A3166 pin have NO,
IN, V+, COM and GND, pin NO, IN and V+ connect the circuit Vin ports and electric capacity C8 positive pole, the electric capacity C8 negative poles
Ground connection；The pin COM connections circuit Vout ports and electric capacity C9 positive pole, the negative pole ground connection of the electric capacity C9；Pin GND connects
Ground.
VAUX is TS5A3166 control source control terminals, and when TS5A3166 chips are just started working, VAUX makes main output disconnected
Open, when being charged to 2.5V in VAUX capacitor, TS5A3166 chips enter normal mode.TPS61200 input voltage from
When 0V up changes, if load resistance is smaller, internal short-circuit protection circuit start, be chip can not normal work, it is necessary to elder generation
Disconnecting consumers, when VAUX is charged to 2.5V, chip adds load after starting work.
As shown in figure 4, the voltage conversion circuit includes 1 TPS61200,2 resistance, 1 inductance and 3 electric capacity.
TPS61200 pin includes Vin, PS, UVLO, EN, VAUX, GND, L, Vout, FB and PGND.Pin Vin, PS,
One end of the Vin ports of the UVLO connections circuit, electric capacity C5 one end and inductance L2, the electric capacity C5 other ends ground connection, institute
State another termination L of inductance L2；Pin EN meets the MSP430 of the circuit；Pin VAUX meets electric capacity C7, and the electric capacity C7's is another
End ground connection and the shell that picks；Pin GND is grounded and the shell that picks；Pin Vout connecting resistances R3 one end, electric capacity C6 one end and institute
State the Vout pins of circuit, another terminating resistor R4 of resistance R3, the electric capacity C6 other ends ground connection；Pin FB connecting resistances R4
One end, the resistance R4 the other end ground connection；Pin PGND picks shell.
The voltage conversion circuit of the booster circuit module uses synchronous boost converter TPS61200, its input voltage model
Enclose and reach 0.3V~5.5V (as little as 0.3V！), output current is limited in 1.3A, and for output voltage stabilization in 3.6V, conversion efficiency can be with
Reach 93%, can be powered to control section, and can be charged with very high current to battery.
The supervisory circuit module, including supervisory circuit and display unit, including 2 sampling resistors, 1 differential amplification electricity
Road, 1 MSP430.
The differential amplifier circuit is as shown in figure 5, including 1 operational amplifier OPA335,4 resistance.The computing is put
Big device OPA335 has 8 pins, and pin 2 connects resistance R5, resistance R8, and the resistance R5 connections sampling resistor+, the resistance R8
Connect pin 6 and Vo ports；The pin 3 of the operational amplifier OPA335 connects resistance R6 and resistance R7, the resistance R6 companies
Connect sampling resistor-, the resistance R7 connections pin 4 is simultaneously grounded；The pin 6 of the operational amplifier OPA335 connects Vo ports；Institute
The pin 7 for stating operational amplifier OPA335 connects VCC ports.
The anti-battery discharging circuit is with foregoing start-up circuit, as shown in Figure 3.
Add an analog switch TS5A3166 between charger output end and battery, when voltage conversion chip is not actuated,
Analog switch disconnecting consumers, analog switch can be opened when output voltage is sufficiently large after voltage conversion chip starts, is charged the battery,
When charger voltage is low, analog switch disconnects, and can prevent battery discharge.
It the above is only and preferred embodiment of the present utility model is described, not by technical side of the present utility model
Case limited to this, any known deformation that those skilled in the art are made on the basis of major technique of the present utility model design all belong to
In the claimed technology category of the utility model, the specific protection domain of the utility model is recited as with claims
It is accurate.
Claims (5)
- A kind of 1. electricity collection charger based on low-power consumption high conversion, it is characterised in that including：Gear selecting switch module, drop Volt circuit module, booster circuit module, supervisory circuit module and anti-battery discharge circuit module；The gear selecting switch module connection Reduction voltage circuit module and booster circuit module；Reduction voltage circuit module and booster circuit module are all connected with supervisory circuit module and anti-electric Tank discharge circuit module.
- 2. the electricity collection charger according to claim 1 based on low-power consumption high conversion, it is characterised in that the drop Volt circuit module only contains voltage conversion circuit, by 1 TPS5430,1 inductance, 1 voltage-regulator diode, 2 resistance and 4 electricity Solve electric capacity composition；The pin of the TPS5430 has Vin, ENA, GND, BOOT, PH, VSNS, PWPD, the pin Vin connections electricity The Vin ports on road, also connect electric capacity C1 positive poles and electric capacity C2 positive poles, electric capacity C1 negative poles and electric capacity C2 negative poles ground connection；Pin ENA connects Meet the EN of the circuit；Pin GND and pin PWPD ground connection；Pin BOOT connection electric capacity C3 positive poles, the electric capacity C3 negative poles connect Connect inductance L1 and voltage-regulator diode D1 negative pole, one end of the inductance L1 connection electric capacity C4, resistance R1 one end and the electricity Road Port ports, the electric capacity C4 other ends ground connection, the resistance R1 other ends connection resistance R2；Pin PH connection electric capacity C3 is born Pole and voltage-regulator diode D1 negative poles, the voltage-regulator diode D1 ground connection；VSNS pins connection resistance R1, resistance R2, resistance R2 connect Ground.
- 3. the electricity collection charger according to claim 1 based on low-power consumption high conversion, it is characterised in that the liter Volt circuit module contains start-up circuit and voltage conversion circuit；The start-up circuit includes 1 TS5A3166,2 electrochemical capacitors, TS5A3166 pin has NO, IN, V+, COM and GND, and pin NO, IN and V+ connect the circuit Vin ports and electric capacity C8 Positive pole, the electric capacity C8 negative poles ground connection；The pin COM connections circuit Vout ports and electric capacity C9 positive pole, the electric capacity C9 Negative pole ground connection；Pin GND is grounded；VAUX is TS5A3166 control source control terminals, when TS5A3166 chips have just been started working When VAUX make it is main output disconnect, when being charged to 2.5V in VAUX capacitor, TS5A3166 chips enter normal mode； TPS61200 is when input voltage up changes from 0V, if load resistance is smaller, internal short-circuit protection circuit starts, and is chip Can not normal work, it is necessary to first disconnecting consumers, when VAUX is charged to 2.5V, chip can start after work along with load；Institute Stating voltage conversion circuit includes 1 TPS61200,2 resistance, 1 inductance and 3 electric capacity；TPS61200 pin include Vin, PS, UVLO, EN, VAUX, GND, L, Vout, FB and PGND, pin Vin, PS, UVLO connect the Vin ports of the circuit, electric capacity C5 one end and inductance L2 one end, the electric capacity C5 other ends ground connection, another termination L of inductance L2；Pin EN connects described The MSP430 of circuit；Pin VAUX meets electric capacity C7, and the other end of the electric capacity C7 is grounded and the shell that picks；Pin GND is grounded, simultaneously Pick shell；Pin Vout connecting resistances R3 one end, electric capacity C6 one end and the Vout pins of the circuit, the resistance R3 are another Terminating resistor R4, the electric capacity C6 other ends ground connection；Pin FB connecting resistances R4 one end, the other end ground connection of the resistance R4； Pin PGND picks shell.
- 4. the electricity collection charger according to claim 1 based on low-power consumption high conversion, it is characterised in that the prison Control circuit module, including supervisory circuit and display unit, including 2 sampling resistors, 1 differential amplifier circuit, 1 MSP430； Differential amplifier circuit includes 1 operational amplifier OPA335,4 resistance；The operational amplifier OPA335 has 8 pins, draws The connection resistance of pin 2 R5, resistance R8, the resistance R5 connections sampling resistor+, the resistance R8 connections pin 6 and Vo ports；It is described Operational amplifier OPA335 pin 3 connects resistance R6 and resistance R7, the resistance R6 connections sampling resistor, and the resistance R7 connects Connect pin 4 and be grounded；The pin 6 of the operational amplifier OPA335 connects Vo ports；The pin 7 of the operational amplifier OPA335 Connect VCC ports.
- 5. the electricity collection charger according to claim 3 based on low-power consumption high conversion, it is characterised in that described anti- Battery discharging circuit adds an analog switch TS5A3166, electricity with foregoing start-up circuit between charger output end and battery When pressing conversion chip not actuated, analog switch disconnecting consumers, it can be opened when output voltage is sufficiently large after voltage conversion chip starts Analog switch, charge the battery, when charger voltage is low, analog switch disconnects, and can prevent battery discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323279.6U CN206878485U (en) | 2017-03-30 | 2017-03-30 | A kind of electricity collection charger based on low-power consumption high conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323279.6U CN206878485U (en) | 2017-03-30 | 2017-03-30 | A kind of electricity collection charger based on low-power consumption high conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878485U true CN206878485U (en) | 2018-01-12 |
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ID=61326850
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720323279.6U Expired - Fee Related CN206878485U (en) | 2017-03-30 | 2017-03-30 | A kind of electricity collection charger based on low-power consumption high conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343635A (en) * | 2018-11-15 | 2019-02-15 | 南京铁道职业技术学院 | A kind of microminiature power circuit |
| CN114465294A (en) * | 2021-07-22 | 2022-05-10 | 荣耀终端有限公司 | Power management module and electronic equipment |
-
2017
- 2017-03-30 CN CN201720323279.6U patent/CN206878485U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343635A (en) * | 2018-11-15 | 2019-02-15 | 南京铁道职业技术学院 | A kind of microminiature power circuit |
| CN114465294A (en) * | 2021-07-22 | 2022-05-10 | 荣耀终端有限公司 | Power management module and electronic equipment |
| CN114465294B (en) * | 2021-07-22 | 2023-02-03 | 荣耀终端有限公司 | Power management module and electronic equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180112 |