CN103762704B - Intermittent potential pixel by pixel track formula battery charger - Google Patents
Intermittent potential pixel by pixel track formula battery charger Download PDFInfo
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- CN103762704B CN103762704B CN201310711733.1A CN201310711733A CN103762704B CN 103762704 B CN103762704 B CN 103762704B CN 201310711733 A CN201310711733 A CN 201310711733A CN 103762704 B CN103762704 B CN 103762704B
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Abstract
The invention discloses intermittent potential pixel by pixel track formula battery charger, it is characterized in that comprising polarity detection circuit, current potential pixel by pixel track circuit, charging power source circuit and control protection electric circuit; Described polarity detection circuit is used for the detection to battery polar; Described current potential pixel by pixel track circuit is used for detecting cell voltage change in real time; Described charging power source circuit is used for implementing to charge to battery; Described control protection electric circuit is for the protection of overall power circuit.The present invention utilizes low frequency positive pulsating current to do input energy sources, intermittent charge.Carry out examination with each change of the current potential of current potential Point tracing method to battery to judge, by " intermittent potential pixel by pixel track charging method ", real-time break-make control is carried out to the charge power supply of battery, reach discontinuous cycle charging.
Description
Technical field
The present invention relates to electricity field, specifically a kind of batter-charghing system applying the charging of current potential Point tracing method.
Background technology
The charging circuit of existing charger is switching power circuit, it is the topological circuit of self-excitation and flyback, the circuit characteristic of this circuit determines circuit efficiency and can only reach 68%-85%, because in certain charging stage, a power consumption is not done work, so the gross efficiency in whole charging process only has 68-70%, with high-frequency direct-current charging, this high-frequency direct-current charging is by electric current lifting cell voltage slowly, this process can cause a large amount of heats, and with a large amount of gassings.A large amount of gassing can cause battery dehydration.Battery dehydration can cause irreversible lead sulfate crystal structure, and cycle life rises with crystallization and declines.Outside the cycle life removing external force factor damage of battery, main ageing failure all comes from the capacity after dehydration and declines, and charges average cycle life at 150-250 time with common charging modes.Be far from the designed life arriving lead-acid battery.
Summary of the invention
The weak point that the present invention exists in order to avoid prior art, provides a kind of batter-charghing system applied current potential Point tracing method principle and carry out charging, with the service life cycle of the charge efficiency and battery that improve charging system.
Technical solution problem of the present invention adopts following technical scheme:
Intermittent potential pixel by pixel track formula battery charger, its design feature is, comprises polarity detection circuit, current potential pixel by pixel track circuit, charging power source circuit and control protection electric circuit; Described polarity detection circuit is used for the detection to battery polar; Described current potential pixel by pixel track circuit is used for detecting cell voltage change in real time; Described charging power source circuit is used for implementing to charge to battery; Described control protection electric circuit is for the protection of overall power circuit.
Design feature of the present invention is also:
Described polarity detection circuit composition comprises diode D3, fuse BX, resistance R9, resistance RB, voltage stabilizing didoe Z1, three-terminal voltage-stabilizing pipe Z2, electric capacity C5; The positive pole of described diode D3 is connected with rechargeable battery positive pole, and negative pole connects VCC end, and VCC end is connected with fuse BX; Be connected with the input of three-terminal voltage-stabilizing pipe Z2 after described fuse BX, resistance R9, resistance RB connect successively; The positive pole of described voltage stabilizing didoe Z1 is connected with the input of three-terminal voltage-stabilizing pipe Z2, and negative pole is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2; Described electric capacity C5 one end links with the output of three-terminal voltage-stabilizing pipe Z2, and the other end is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2; The output of described three-terminal voltage-stabilizing pipe Z2 connects the positive 5V of single-chip microcomputer, and the negative terminal of described single-chip microcomputer is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2.
Described current potential pixel by pixel track circuit is connected to the two poles of the earth of rechargeable battery, and be made up of resistance R15, resistance R15B, resistance R16, zener diode Z3 and electric capacity C9 and single-chip microcomputer input pin PVOL, described resistance R15 connects with resistance R15B; Described resistance R16, zener diode Z3, electric capacity C9 parallel with one another after and resistance R15, resistance R15B be connected in series; Positive pole and the single-chip microcomputer input of described zener diode Z3 detect pin PVOL and are connected; The minus earth process of described zener diode Z3; Described microprocessor detect pin PVOL is for detecting the voltage pointwise change of zener diode Z3 positive terminal R16; Indirectly to obtain the changing value of cell voltage accurately.
Described charging power source circuit is piled by ground wire ACL, the protective resistance RT of the live wire AVL of alternating current, alternating current, relay K 1, relay K 2, electric capacity C3, discharge resistance R8 and bridge and is formed; The live wire AVL of described alternating current, by relay K 1, is connected on the 1st pin that bridge is piled after electric capacity C3 is in parallel with discharge resistance R8; The live wire AVL of described alternating current receives through protective resistance RT, relay K 2 the 3rd pin that bridge is piled; 2nd pin of described bridge heap obtains the pulsating current of a forward wave, charges for battery.
Described control protection electric circuit controls to comprise relay K 1, relay K 2, electric capacity C1, electric capacity C2, NPN type triode Q1, PNP type triode Q2, zener diode Z4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 and diode D1 by inputting two-way; One end of described electric capacity C1 is connected with single-chip microcomputer PACL control pin, and the other end is connected with the base stage of triode Q1 by resistance R1, the ground level of resistance R2 connecting triode Q1 and emitter; The collector electrode of triode Q1 is connected with triode Q2 base stage by resistance R3, the R4 connected successively, the ground level of resistance R5 connecting triode Q2 and emitter; The input of electric capacity C2 and contact resistance R4 and the emitter of triode Q2; Described voltage stabilizing didoe Z4 minus earth, positive pole is connected with the emitter of triode Q2; The collector electrode of described triode Q2 is connected with the relay K 1 of connecting successively, relay K 2 coil; Described relay K 1, relay K 2 coil two ends are parallel with release diode D1; Described relay K 1 is for controlling the break-make of electric live wire AVL input; Described relay K 2 is for controlling the break-make of ground wire ACN input; Described voltage stabilizing didoe Z4 is used for providing burning voltage for whole control circuit.
Described output single channel control circuit comprises relay K 3, electric capacity C7, electric capacity C8, NPN type triode Q3, PNP type triode Q4, diode D2, resistance R10, resistance R11 resistance R12, resistance R13, resistance R14; One end of described electric capacity C7 is connected with single-chip microcomputer PCHCR control pin, and the other end is connected with the base stage of triode Q3 by resistance R10, the ground level of resistance R11 connecting triode Q3 and emitter; The collector electrode of triode Q1 is connected with triode Q4 base stage by resistance R12, the R13 connected successively, the ground level of resistance R14 connecting triode Q4 and emitter; The input of electric capacity C8 and contact resistance R13 and the emitter of triode Q4; The emitter of described triode Q4 is connected with voltage stabilizing didoe Z4 positive pole, and collector electrode is connected with relay K 3 coil; Described relay K 3 coil two ends are parallel with release diode D2; Described relay K 3 is in parallel with diode D2.
Described live wire AVL input detects pin by resistance R6 with single-chip microcomputer PZERO and is connected, and described single-chip microcomputer PZERO detects pin for detecting the voltage signal of live wire AVL input.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The present invention utilizes low frequency positive pulsating current to do input energy sources, intermittent charge.Carry out examination with each change of the current potential of current potential Point tracing method to battery to judge, by " intermittent potential pixel by pixel track charging method ", real-time break-make control is carried out to the charge power supply of battery, reach discontinuous cycle charging.Such charging modes can not have temperature rise and reduces a large amount of gassings, reduces dehydration.Under same temperature conditions, the gassing rate of the present invention's charging only has less than 10% of common charger DC charging gassing rate, and the gas that this order of magnitude is separated out can be neutralized by the catalyst of battery self completely, can not dehydration.Avoiding problems the high heat of common charger in charging process and a large amount of gassing, Gao Re impels again gassing to increase, thus solves the difficult problem that the agent of battery autocatalysis has little time to neutralize completely.Solve gassing and solve dehydration exactly, solve the difficult problem that dehydration just solves battery capacity decline.Make battery cycle life can reach more than thousand times.Exceed the average life span of present 250 times.And in order to improve the fail safe of charging circuit, carrying out two-way control (PZERO input) to input, the advantage that two-way controls no matter guarantees that power-off is thorough under any state.Single channel control (INITO input) is carried out to output and protects battery.Guarantee use safety under any circumstance.The actual overall efficiency of the present invention exceeds about 30% than existing common charger charging modes, namely saves a large amount of energy.The cycle life of battery can be made again to more than 1100 times, can save because the production of battery is to the discharge of lead contamination; And electromagnetic-radiation-free; Benefit the nation and the people.
Accompanying drawing explanation
Fig. 1 is charging circuit system electrical block diagram of the present invention.
By specific embodiment, explanation is further explained to technical solution of the present invention below in conjunction with accompanying drawing.
Embodiment
Intermittent potential pixel by pixel track formula battery charger, its design feature is to comprise polarity detection circuit, potential tracking method circuit, power circuit and control protection electric circuit; Described polarity detection circuit is used for the detection to battery polar; Described potential tracking method circuit is used for detecting cell voltage change in real time; Described power circuit is for implementing battery charging; Described control protection electric circuit is for the protection of power circuit.
Described polarity detection circuit composition comprises diode D3, fuse BX, resistance R9, resistance RB, voltage stabilizing didoe Z1, three-terminal voltage-stabilizing pipe Z2 and electric capacity C5; The positive pole of described diode D3 is connected with rechargeable battery positive pole, and negative pole connects VCC end, and VCC end is connected with fuse BX; Be connected with the input of three-terminal voltage-stabilizing pipe Z2 after described fuse BX, resistance R9, resistance RB connect successively; The positive pole of described voltage stabilizing didoe Z1 is connected with the input of three-terminal voltage-stabilizing pipe Z2, and negative pole is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2; Described electric capacity C5 one end links with the output of three-terminal voltage-stabilizing pipe Z2, and one end is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2; Described polarity detection circuit output is connected with resistance R19.
Described potential tracking method circuit is connected to the two poles of the earth of rechargeable battery, be made up of resistance R15, resistance R15B, resistance R16, zener diode Z3 and electric capacity C9, described resistance R15 connects with resistance R15B, described resistance R16, zener diode Z3, electric capacity C9 parallel with one another after and resistance R15, resistance R15B be connected in series; The positive pole of described zener diode Z3 is connected with single-chip microcomputer input lower margin PVOL; The minus earth process of described zener diode Z3; Described detection lower margin PVOL is for detecting the change voltage of the R16 of zener diode Z3 positive terminal.Described Z3 is 5.1V voltage-stabiliser tube, and in order to protect the sampled voltage of single-chip microcomputer to be unlikely to more than 5.1V, wherein said electric capacity C9 is used for signal filtering.
Described charging power source circuit is by the live wire AVL of alternating current, and the ground wire ACL protective resistance RT relay K 1K2 electric capacity C3 discharge resistance R8 of alternating current and bridge heap form.The live wire AVL of described alternating current is connected on 1 pin of bridge heap after C3 and R8 parallel connection by K1.3 pin that the live wire of described alternating current is piled to bridge through RT, K2.The pulsating current that 2 pin can piled from bridge like this obtain a forward wave charges the battery.
Described control protection electric circuit forms by inputting two-way control circuit and exporting single channel control circuit;
Described input two-way controls to comprise relay K 1, relay K 2, electric capacity C1, electric capacity C2, NPN type triode Q1, PNP type triode Q2, zener diode Z4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 and diode D1; One end of described electric capacity C1 is connected with single-chip microcomputer PACL pin, and the other end is connected with the base stage of triode Q1 by resistance R1, the ground level of resistance R2 connecting triode Q1 and emitter; The collector electrode of triode Q1 is connected with triode Q2 base stage by resistance R3, the R4 connected successively, the ground level of resistance R5 connecting triode Q2 and emitter; The input of electric capacity C2 and contact resistance R4 and the emitter of triode Q2; Described voltage stabilizing didoe Z4 minus earth, positive pole is connected with the emitter of triode Q2; The collector electrode of described triode Q2 is connected with the relay K 1 of connecting successively, relay K 2 coil; Described relay K 1, relay K 2 coil two ends are parallel with sustained diode 1; Described relay K 1 is for the break-make of power supply AVL input; Described relay K 2 is for the break-make of power supply ACN input; Described power supply AVL input connects relay K 1, the resistance R8 be connected in parallel and electric capacity C3 and rectifier circuit successively, relay K 2, rectifier circuit that described power supply ACN input connects successively; Described power supply after rectifier bridge rectification for VCC provides voltage.Described Z4 provides burning voltage for whole control circuit.
Described output single channel control circuit comprises relay K 3, electric capacity C7, electric capacity C8, NPN type triode Q3, PNP type triode Q4, diode D2, resistance R10, resistance R11 resistance R12, resistance R13, resistance R14; One end of described electric capacity C7 is connected with single-chip microcomputer PCHCR pin, and the other end is connected with the base stage of triode Q3 by resistance R10, the ground level of resistance R11 connecting triode Q3 and emitter; The collector electrode of triode Q1 is connected with triode Q4 base stage by resistance R12, the R13 connected successively, the ground level of resistance R14 connecting triode Q4 and emitter; The input of electric capacity C8 and contact resistance R13 and the emitter of triode Q4; The emitter of described triode Q4 is connected with voltage stabilizing didoe Z4 positive pole, and collector electrode is connected with relay K 3 coil; Described relay K 3 coil two ends are parallel with release diode D2; Described relay K 3 is in parallel with diode D2.
Described power supply AVL input detects pin by resistance R6 with single-chip microcomputer PZERO and is connected, and described single-chip microcomputer PZERO detects pin for detecting the voltage signal of power supply AVL input.
Below with regard to 48V battery of electric bicycle charging citing; As shown in Figure 1, job order is as follows; 1 initial Check up polarity, 2
Circuit annex detects, 3 pixel by pixel track circuit 4 charging circuit embodiments, 5 control protection electric circuits
1, initial cell polarity detection circuit composition comprises diode D3, fuse BX, resistance R9, resistance RB, voltage stabilizing didoe Z1 and three-terminal voltage-stabilizing pipe form, when the polarity of battery is correct, diode D3 individual event conductivity is utilized to provide voltage to VCC, electric current flows through fuse BX, through resistance R9, resistance RB dividing potential drop current limliting, again provide to single-chip microcomputer after voltage stabilizing didoe Z1, three-terminal voltage-stabilizing pipe Z2 voltage stabilizing voltage stabilizing circuit, ensure single-chip microcomputer can under 5V voltage steady operation.Electric capacity C5 is that single-chip microcomputer plays Anti-Jamming; When the polarity of battery is reverse, D3 not conducting, VCC does not have voltage, and single-chip microcomputer does not work.
2, circuit annex detects: after single-chip microcomputer work, PZERO and INITO just starts to detect respectively.Single-chip microcomputer INTTO detect pin detection transistor Q5 voltage signal.Single-chip microcomputer PZERO detects the voltage signal signal that pin detects resistance R6.R6 is the resistance doing probe.When AVL has voltage, R6 just can have induced voltage.PZERO just can detect.INITO testing circuit composition comprises resistance R17, R19 triode Q5.Resistance R17 to Q5 current limliting, resistance R19 be Q5 clamp down on pressure limiting, to ensure that voltage signal is no more than 5V.When D3 has electric current to pass through, namely R17 produces voltage, and the C pin collector electrode of triode Q5 produces voltage signal, passes to single-chip microcomputer by INITO pin.Induced voltage should not be 0V.The testing circuit of PZEZO is made up of resistance R6, and utilize the resistance of R6 to obtain voltage induced signal, induced voltage should not be 0V.Above-mentioned inspection latter two processing mode: one: if the value that single-chip microcomputer checks: INITO is not 0V, PZERO is not 0V, the voltage of battery in the scope allowing charging (single-chip microcomputer has the function of the battery distinguishing different voltage model) then single-chip microcomputer sent by PACL and PCHGR and go code, connect the control circuit of control K1, K2, K3, charge the battery.If B checks that the voltage of above-mentioned condition INITO and PZERO has one or two to be all 0, then whole circuit is in detected state, and K1, K, 2K3 disconnect; Circuit does not charge.
3 pixel by pixel track potential circuit: be made up of resistance R15, resistance R15B, resistance R16 zener diode Z3 and electric capacity C9, resistance R15 and resistance R15B is composed in series current limliting bleeder circuit, resistance R16, zener diode Z3, electric capacity C9 parallel with one another after and resistance R15, resistance R15B be connected in series; R16 can obtain a dividing potential drop, be connected with input pin PVOL by the positive pole of filter capacitor C9.Single-chip microcomputer then detects according to PVOL the parameter value set in the voltage data passed back of pin and single-chip microcomputer and carries out pointwise comparison, the parameter value in single-chip microcomputer be charging interval-voltage curve parameter.Content of parameter comprises voltage and circulation timei; Autoprotection and circuit protection program.Control K1, K2, K3 action after the parameter of single-chip microcomputer sampling comparison setting themselves, when the voltage of battery reach charging height point V1 (for the parameter value set in single-chip microcomputer as rechargeable battery 1.1---2 doubly) time, Single-chip Controlling K1, K2, K3 disconnect, when battery after disconnection can by self-characteristic voltage drop, when dropping to V2 (for the parameter value established in single-chip microcomputer is 0.8----1.1 times of rechargeable battery parameter), Single-chip Controlling connects K1, K2, K3, discontinuous cycle charging like this.The number of times of discontinuous cycle is A time, and cycle-index reaches rear end.A can be the natural number of 1-20.When battery is the battery of degenerating, being reached by the voltage of rechargeable battery can less than the V1 of setting, the design has done special technical finesse to this type of battery, when arrive certain voltage not rise time: allow charging T minute after close, (T can be 1-120 minute) and no longer below circulation.The battery of having degenerated can be protected like this to damage, appoint and so can make the best use of everything.Therefore and by battery common charging modes can be charged to scraps.Uncontrollable.
4: charging circuit embodiment: power charging circuit is piled by ground wire ACL, the protective resistance RT of the live wire AVL of alternating current, alternating current, relay K 1, relay K 2, electric capacity C3, discharge resistance R8 and bridge and formed; The live wire AVL of described alternating current, by relay K 1, is connected on the 1st pin of bridge heap after electric capacity C3, parallel discharge resistance R8; The live wire AVL of described alternating current receives through protective resistance RT, relay K 2 the 3rd pin that bridge is piled; 4th pin of described bridge heap is received and is held altogether; The pulsating current that 2nd pin of described bridge heap obtains a positive phase wave is received VCC end and is charged for battery.Wherein C3 is the size that key component determines charging current, increases capacity increase electric current by the mode of parallel connection.
5: control circuit embodiment; Comprise control circuit by inputting two-way control circuit and exporting single channel control circuit; Input two-way control circuit is made up of relay K 1, relay K 2, resistance R1, R2, R3, R4, R5, electric capacity C1, C2, triode Q1, Q2, zener diode Z4.Wherein C1 is the triggering electric capacity of Q1, and C2 is the triggering electric capacity of Q2.The lower bigoted resistance that resistance R1 is Q1 to Q1 current limliting, resistance R2 plays Clamping voltages effect, R3 to Q2 current limliting dividing potential drop, resistance R4 be Q2 current limliting dividing potential drop, resistance R5 is the upper bigoted resistance of Q2, diode D1 is the release diode of K1, K2, reduce relay self induction voltage when playing relay release, eliminate interference.Q1 provides signal for Q2, and Q2 provides driving voltage, the through and off of control K1, K2 for relay K 1, K3.Z4 provides stabilized voltage power supply for two-way control circuit.Aforesaid testing process is completed and after confirming to connect at single-chip microcomputer, after providing 5V pulse positive voltage signal by control pin PACL, input two-way controls K1, K2 connection.
Export single channel control circuit to be made up of relay K 3, electric capacity C7, C8, triode Q3, Q4, diode D2, resistance R10, R11, R12, R13, R14.Wherein C7 is the triggering electric capacity of Q3, and C8 is the triggering electric capacity of Q4.R10 is the current-limiting resistance of Q3, R11 is that the lower bigoted resistance of Q3 plays Clamping voltages effect, R12, R13 are the current-limiting resistor voltage dividers of Q4, R14 is that the upper bigoted resistance of Q4 plays Clamping voltages use, single-chip microcomputer, can have been charged normal to battery after being connected by K3 to (the same) after C7 positive voltage pulse signals by PCHGR pin.
5. protective circuit composition comprises fuse BX, resistance R6 and R17, R19, Q5.Wherein protect one: electrical fuse BX is the overcurrent protector for whole single chip machine controlling circuit.When there being overcurrent, resistance is infinitely great instantaneously, and be disconnected the power supply of single-chip microcomputer, single-chip microcomputer quits work, and pulse signal stops.C1, C2, C7 are in not on-state under the state not having single-chip microcomputer pulse signal, and the coil of such K1, K2, K3 is just without electric energy, and relay all disconnects.So far the turn-off protection of integrated circuit is played.Wherein protect two: when inputting disconnection: R6 is just without induced voltage, and when single-chip microcomputer PZERO pin detection R6 voltage signal is 0V, notice monolithic office closes K1K2K3.Wherein protect three: when output disconnects both battery terminal connections disconnections, the voltage of R17 is the voltage signal that 0V, INITO detect Q5 by R17, R19 is 0V, and single-chip microcomputer also can turn off K1, K2, K3 by setup program and play a protective role.Wherein protect four: before charging, single-chip microcomputer can detect the voltage of battery whether in chargeable range.Too high and too low, cell voltage model is not reciprocity, all can charge the battery.
Claims (5)
1. intermittent potential pixel by pixel track formula battery charger, is characterized in that comprising polarity detection circuit, current potential pixel by pixel track circuit, charging power source circuit and control protection electric circuit; Described polarity detection circuit is used for the detection to battery polar; Described current potential pixel by pixel track circuit is used for detecting cell voltage change in real time; Described charging power source circuit is used for implementing to charge to battery; Described control protection electric circuit is for the protection of overall power circuit;
Described polarity detection circuit composition comprises diode D3, fuse BX, resistance R9, resistance RB, voltage stabilizing didoe Z1, three-terminal voltage-stabilizing pipe Z2, electric capacity C5; The positive pole of described diode D3 is connected with rechargeable battery positive pole, and negative pole connects VCC end, and VCC end is connected with fuse BX; Be connected with the input of three-terminal voltage-stabilizing pipe Z2 after described fuse BX, resistance R9, resistance RB connect successively; The positive pole of described voltage stabilizing didoe Z1 is connected with the input of three-terminal voltage-stabilizing pipe Z2, and negative pole is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2; Described electric capacity C5 one end links with the output of three-terminal voltage-stabilizing pipe Z2, and the other end is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2; The output of described three-terminal voltage-stabilizing pipe Z2 connects the positive 5V of single-chip microcomputer, and the negative terminal of described single-chip microcomputer is connected with the earth terminal of three-terminal voltage-stabilizing pipe Z2.
2. intermittent potential pixel by pixel track formula battery charger according to claim 1, it is characterized in that: described current potential pixel by pixel track circuit is connected to the two poles of the earth of rechargeable battery, be made up of resistance R15, resistance R15B, resistance R16, zener diode Z3 and electric capacity C9 and single-chip microcomputer input pin PVOL, described resistance R15 connects with resistance R15B; Described resistance R16, zener diode Z3, electric capacity C9 parallel with one another after and resistance R15, resistance R15B be connected in series; Positive pole and the single-chip microcomputer input of described zener diode Z3 detect pin PVOL and are connected; The minus earth process of described zener diode Z3; Described microprocessor detect pin PVOL is for detecting the voltage pointwise change of zener diode Z3 positive terminal R16; Indirectly to obtain the changing value of cell voltage accurately.
3. intermittent potential pixel by pixel track formula battery charger according to claim 1, is characterized in that: described charging power source circuit is piled by ground wire ACL, the protective resistance RT of the live wire AVL of alternating current, alternating current, relay K 1, relay K 2, electric capacity C3, discharge resistance R8 and bridge and formed; The live wire AVL of described alternating current by relay K 1, and is connected on the 1st pin of bridge heap after the electric capacity C3, discharge resistance R8 of parallel connection; The live wire AVL of described alternating current receives through protective resistance RT, relay K 2 the 3rd pin that bridge is piled; 4th pin of described bridge heap receives common ground earth terminal; 2nd pin of described bridge heap obtains the pulsating current of a forward wave, charges for battery.
4. intermittent potential pixel by pixel track formula battery charger according to claim 1, it is characterized in that: described control protection electric circuit comprises input two-way control circuit and exports single channel control circuit, and described input two-way control circuit comprises relay K 1, relay K 2, electric capacity C1, electric capacity C2, NPN type triode Q1, PNP type triode Q2, zener diode Z4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 and diode D1; One end of described electric capacity C1 is connected with single-chip microcomputer PACL control pin, and the other end is connected with the base stage of triode Q1 by resistance R1, the ground level of resistance R2 connecting triode Q1 and emitter; The collector electrode of triode Q1 is connected with triode Q2 base stage by resistance R3, the R4 connected successively, the ground level of resistance R5 connecting triode Q2 and emitter; The input of electric capacity C2 and contact resistance R4 and the emitter of triode Q2; Described voltage stabilizing didoe Z4 minus earth, positive pole is connected with the emitter of triode Q2; The collector electrode of described triode Q2 is connected with the relay K 1 of connecting successively, relay K 2 coil; Described relay K 1, relay K 2 coil two ends are parallel with release diode D1; Described relay K 1 is for controlling the break-make of electric live wire AVL input; Described relay K 2 is for controlling the break-make of ground wire ACN input; Described voltage stabilizing didoe Z4 is used for providing burning voltage for whole control circuit;
Described output single channel control circuit comprises relay K 3, electric capacity C7, electric capacity C8, NPN type triode Q3, PNP type triode Q4, diode D2, resistance R10, resistance R11 resistance R12, resistance R13, resistance R14; One end of described electric capacity C7 is connected with single-chip microcomputer PCHCR control pin, and the other end is connected with the base stage of triode Q3 by resistance R10, the ground level of resistance R11 connecting triode Q3 and emitter; The collector electrode of triode Q1 is connected with triode Q4 base stage by resistance R12, the R13 connected successively, the ground level of resistance R14 connecting triode Q4 and emitter; The input of electric capacity C8 and contact resistance R13 and the emitter of triode Q4; The emitter of described triode Q4 is connected with voltage stabilizing didoe Z4 positive pole, and collector electrode is connected with relay K 3 coil; Described relay K 3 coil two ends are parallel with release diode D2; Described relay K 3 is in parallel with diode D2.
5. intermittent potential pixel by pixel track formula battery charger according to claim 3, it is characterized in that, described live wire AVL input detects pin by resistance R6 with single-chip microcomputer PZERO and is connected, and described single-chip microcomputer PZERO detects pin for detecting the voltage signal of live wire AVL input.
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| CN101783519A (en) * | 2009-06-19 | 2010-07-21 | 深圳市欧美亚实业有限公司 | Charger management circuit |
| CN101694949A (en) * | 2009-10-16 | 2010-04-14 | 苏州工业园区胜欣电子有限公司 | Charging device of mobile battery charger |
| US8217621B2 (en) * | 2010-02-12 | 2012-07-10 | Fu Da Tong Technology Co., Ltd. | Frequency modulation type wireless power supply and charger system |
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|---|---|
| CN103762704A (en) | 2014-04-30 |
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