CN205377333U - Battery measurement circuit and razor and barbering device's drive circuit - Google Patents
Battery measurement circuit and razor and barbering device's drive circuit Download PDFInfo
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- CN205377333U CN205377333U CN201521074917.2U CN201521074917U CN205377333U CN 205377333 U CN205377333 U CN 205377333U CN 201521074917 U CN201521074917 U CN 201521074917U CN 205377333 U CN205377333 U CN 205377333U
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- circuit
- battery
- electrical switch
- mcu processor
- discharge circuit
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model relates to an electronic circuit field, in particular to battery measurement circuit and razor and barbering device's drive circuit. The utility model discloses a battery measurement circuit, including charging circuit, discharge circuit, indicator lamp circuit, cell voltage detection circuit and control circuit, control circuit control charging circuit charge for the battery, and the control discharge circuit is battery discharge, through the state that cell voltage detection circuit detected the battery, instructs operating condition through indicator lamp circuit. The utility model also discloses a razor of above -mentioned battery measurement circuit has and a drive circuit that barbering device. The utility model discloses avoided because the product stew for a long time or the abundant memory effect who causes the battery that uses of product deepens, the effective capacity decay influences the problem in life -span, prolonged battery life, and circuit structure is simple, and is with low costs.
Description
Technical field
This utility model belongs to electronic circuit field, more particularly to a kind of battery charge-discharge circuit and have the shaver of this battery charge-discharge circuit and the drive circuit of hair cutter.
Background technology
Ni-mh or nickel-cadmium cell have long service life, the advantage of economy and durability and good electrical property, shaver and hair cutter are widely used, but all there is memory effect in ni-mh or nickel-cadmium cell, and the sale haul-cycle time of shaver and hair cutter is long, battery is caused to be stood for a long time, simultaneously, the time that consumer uses every time is short, charging once can work often, battery is under utilized, because memory effect causes that capacity declines after causing battery to use a period of time, activity decrease, service life shortens.
Summary of the invention
The purpose of this utility model is in that providing a kind of for solving the problems referred to above can avoid because the under utilized memory effect causing battery of the long-term standing of product or product is deepened, available capacity decays, the drive circuit of the battery charge-discharge circuit affecting life problems and the shaver with this battery charge-discharge circuit and hair cutter.
nullFor this，The utility model discloses a kind of battery charge-discharge circuit，Including charging circuit、Discharge circuit and control circuit，Described charging circuit includes the first electrical switch and the second electrical switch，Described discharge circuit includes the 3rd electrical switch，Described control circuit includes MCU processor，Described first electrical switch and the second electrical switch composition secondary switch are connected between battery and charge power supply and constitute charge circuit，First control output end controlling input termination MCU processor of described secondary switch，Described 3rd electrical switch forms discharge circuit with resistance R20 and serial battery successively，Second control output end controlling input termination MCU processor of described 3rd switch，The cathode series resistance R11 of described battery connects the first input end of MCU processor，Series resistance R21 and resistance R12 connects the second input of MCU processor simultaneously，Constitute battery voltage detection loop.
Further, described first electrical switch and the 3rd electrical switch are metal-oxide-semiconductor, and the second electrical switch is audion.
Further, the 3rd control output end of described MCU processor is connected to display lamp, constitutes indicator light circuit.
Further, the outfan series resistance R3 of described MCU processor and critesistor NTC ground connection, the node between described resistance R3 and critesistor NTC connects the 3rd input of MCU processor, constitutes battery temperature testing circuit.
The invention also discloses the drive circuit of a kind of shaver and hair cutter, including above-mentioned battery charge-discharge circuit, the 4th electrical switch and motor, described motor and the 4th electrical switch and serial battery form motor driving loop, the 4th control output end controlling input termination MCU processor of described 4th electrical switch.
Further, described 4th electrical switch is metal-oxide-semiconductor.
Advantageous Effects of the present utility model:
This utility model controls discharge circuit by control circuit and battery is carried out fast deep electric discharge, control charging circuit again and battery is carried out quick charge, repeatedly circulate, avoid because the under utilized memory effect causing battery of the long-term standing of product or product is deepened, available capacity decays, and the problem affecting the life-span extends battery, and circuit structure is simple, cost is low.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of this utility model embodiment.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, this utility model is further illustrated.
As shown in Figure 1, a kind of battery charge-discharge circuit, including charging circuit, discharge circuit and control circuit, described charging circuit includes the first electrical switch Q4 and the second electrical switch Q2, and described discharge circuit includes the 3rd electrical switch Q6, and described control circuit includes MCU processor U1, in this specific embodiment, first electrical switch Q4 is preferably P-MOS pipe, and the second electrical switch Q2 is preferably NPN audion, and the 3rd electrical switch Q6 is preferably N-MOS pipe.
The source electrode anti-series diode D2 of P-MOS pipe Q4 meets the anode V+ of charge power supply (being provided in the present embodiment) by power supply adaptor, the drain series resistance R20 of P-MOS pipe Q4 meets the positive pole BAT+ of battery BAT, the grid of P-MOS pipe Q4 connects the colelctor electrode of NPN audion Q2, the emitter stage of NPN audion Q2 meets the negative terminal V-of power supply adaptor, ground connection simultaneously, base stage (control input) the series resistance R6 of NPN audion Q2 connects the P5.4 end (the first control output end) of MCU processor U1, the negative pole BAT-ground connection of battery BAT, constitutes the charge circuit of battery BAT.
The drain series resistance R20 of N-MOS pipe Q6 meets the positive pole BAT+ of battery BAT, the source ground of N-MOS pipe Q6, grid (control input) the series resistance R13 of N-MOS pipe Q6 connects the P4.3 end (the second control output end) of MCU processor U1, constitutes the discharge loop of battery BAT.
The positive pole BAT+ of battery BAT is sequentially connected in series resistance R11 and electric capacity C5 ground connection, node between resistance R11 and electric capacity C5 connects the P4.2 end (first input end) of MCU processor U1, the positive pole BAT+ of battery BAT is sequentially connected in series resistance R21, resistance R12 and electric capacity C4 ground connection, node between resistance R12 and electric capacity C4 connects the P4.4 end (the second input) of MCU processor U1, resistance R20 and resistance R21 parallel connection are followed by between the drain electrode of positive pole BAT+ and the P-MOS pipe Q4 of battery BAT, constitute battery voltage detection circuit, be used for detecting cell voltage and electric current.
Further, the P0.5 end (the 3rd control output end) of MCU processor U1 is sequentially connected in series resistance R9 and display lamp LED6 ground connection, forms indicator light circuit, for indicating operating status, reminds user not want interrupt operation.
Further; the P4.0 end (outfan) of MCU processor U1 is sequentially connected in series resistance R3 and critesistor NTC ground connection; node between resistance R3 and critesistor NTC connects the P4.1 end (the 3rd input) of MCU processor U1; critesistor NTC is near battery BAT; constitute battery BAT temperature sensing circuit; for detecting the temperature of battery BAT, carry out when temperature exceedes setting threshold value reporting to the police and/or stop battery BAT work, to protect battery BAT to be not damaged by.
Battery BAT is used the degree of depth by MCU processor U1, time, number of times carries out remembering and judging, when determining multiple discharge or depth of charge is inadequate, first exporting control signal in charging process makes N-MOS pipe Q6 turn on, battery BAT is carried out deep discharge, it is then turned off N-MOS pipe Q6, output signal makes NPN audion Q2 turn on, and then P-MOS pipe Q4 conducting, by power supply adaptor, battery is charged, repeatedly circulate to eliminate memory effect of cell, and export control signal and make display lamp LED6 bright, user's complete machine is reminded now to carry out battery maintenance activation action, not interrupt operation.
The invention also discloses the drive circuit of a kind of shaver and hair cutter, including above-mentioned battery charge-discharge circuit, 4th electrical switch Q5 (is preferably N-MOS pipe) and motor (not shown) in the present embodiment, the drain electrode of N-MOS pipe Q5 is sequentially connected in series motor and resistance R20 meets the positive pole BAT+ of battery BAT, the source ground of N-MOS pipe Q5, grid (control input) the series resistance R1 of N-MOS pipe Q5 connects the P0.7 end (the 4th control output end) of MCU processor U1, constitute motor driving loop, when the switch is opened, MCU processor U1 exports control signal makes N-MOS pipe Q5 turn on, motor operations, carry out shaving or getting a haircut.Additionally, motor is also in parallel with electric capacity C3 in parallel and diode D5, improve the stability of motor operations electric current.
Although specifically showing in conjunction with preferred embodiment and describing this utility model; but those skilled in the art should be understood that; in the spirit and scope of the present utility model limited without departing from appended claims; this utility model can be made a variety of changes in the form and details, be protection domain of the present utility model.
Claims (6)
- null1. a battery charge-discharge circuit，Including charging circuit、Discharge circuit and control circuit，It is characterized in that，Described charging circuit includes the first electrical switch and the second electrical switch，Described discharge circuit includes the 3rd electrical switch，Described control circuit includes MCU processor，Described first electrical switch and the second electrical switch composition secondary switch are connected between battery and charge power supply and constitute charge circuit，First control output end controlling input termination MCU processor of described secondary switch，Described 3rd electrical switch forms discharge circuit with resistance R20 and serial battery successively，Second control output end controlling input termination MCU processor of described 3rd switch，The cathode series resistance R11 of described battery connects the first input end of MCU processor，Series resistance R21 and resistance R12 connects the second input of MCU processor simultaneously，Constitute battery voltage detection loop.
- 2. battery charge-discharge circuit according to claim 1, it is characterised in that: described first electrical switch and the 3rd electrical switch are metal-oxide-semiconductor, and the second electrical switch is audion.
- 3. battery charge-discharge circuit according to claim 1, it is characterised in that: the 3rd control output end of described MCU processor is connected to display lamp, constitutes indicator light circuit.
- 4. battery charge-discharge circuit according to claim 1, it is characterized in that: the outfan series resistance R3 of described MCU processor and critesistor NTC ground connection, node between described resistance R3 and critesistor NTC connects the 3rd input of MCU processor, constitutes battery temperature testing circuit.
- 5. the drive circuit of a shaver and hair cutter, it is characterized in that: include the battery charge-discharge circuit described in any one of claim 1-4, the 4th electrical switch and motor, described motor and the 4th electrical switch and serial battery form motor driving loop, the 4th control output end controlling input termination MCU processor of described 4th electrical switch.
- 6. motor-drive circuit according to claim 5, it is characterised in that: described 4th electrical switch is metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074917.2U CN205377333U (en) | 2015-12-21 | 2015-12-21 | Battery measurement circuit and razor and barbering device's drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074917.2U CN205377333U (en) | 2015-12-21 | 2015-12-21 | Battery measurement circuit and razor and barbering device's drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377333U true CN205377333U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521074917.2U Active CN205377333U (en) | 2015-12-21 | 2015-12-21 | Battery measurement circuit and razor and barbering device's drive circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN205377333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155061A (en) * | 2017-12-22 | 2018-06-12 | 厦门芯阳科技股份有限公司 | A kind of blow-out circuit of relay and method |
| CN109049020A (en) * | 2018-10-22 | 2018-12-21 | 浙江亚尚智能科技有限公司 | The control circuit of electric shaver |
| CN109343399A (en) * | 2018-10-22 | 2019-02-15 | 浙江亚尚智能科技有限公司 | The motor control module of shaver control circuit |
-
2015
- 2015-12-21 CN CN201521074917.2U patent/CN205377333U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155061A (en) * | 2017-12-22 | 2018-06-12 | 厦门芯阳科技股份有限公司 | A kind of blow-out circuit of relay and method |
| CN109049020A (en) * | 2018-10-22 | 2018-12-21 | 浙江亚尚智能科技有限公司 | The control circuit of electric shaver |
| CN109343399A (en) * | 2018-10-22 | 2019-02-15 | 浙江亚尚智能科技有限公司 | The motor control module of shaver control circuit |
| CN109049020B (en) * | 2018-10-22 | 2023-09-05 | 浙江亚尚智能科技有限公司 | Control circuit of electric shaver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000, Huli District, Fujian City, Xiamen province software park two expected sea route 23-405 Patentee after: Xiamen Polytron Technologies Inc Address before: 361000, Huli District, Fujian City, Xiamen province software park two expected sea route 23-405 Patentee before: Xiamen Chipsun Technology Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Battery measurement circuit and razor and barbering device's drive circuit Effective date of registration: 20181219 Granted publication date: 20160706 Pledgee: Xiamen finance Company limited by guarantee Pledgor: Xiamen Polytron Technologies Inc Registration number: 2018990001233 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |