CN103454938B - A kind of ion generator circuit with automobile bus control - Google Patents
A kind of ion generator circuit with automobile bus control Download PDFInfo
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- CN103454938B CN103454938B CN201310406470.3A CN201310406470A CN103454938B CN 103454938 B CN103454938 B CN 103454938B CN 201310406470 A CN201310406470 A CN 201310406470A CN 103454938 B CN103454938 B CN 103454938B
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Abstract
The invention discloses a kind of ion generator circuit with automobile bus control. This circuit comprises: central control circuit, ion circuit for generating, voltage control circuit, LIN communicating circuit and transmitter, described LIN communicating circuit and central control circuit are electrically connected, and send from the instruction of LIN bus and accept the status information of the ion circuit for generating that central control circuit feeds back to LIN bus to central control circuit; The input of described voltage control circuit is connected with ion circuit for generating with central control circuit respectively with output, and start or stop to the power supply of ion circuit for generating according to the low and high level of described instruction output according to central control circuit, the input of described transmitter is connected with the output of described ion circuit for generating. By utilizing LIN communicating circuit transmission ion circuit for generating control signal, by the state of central control circuit control ion circuit for generating, control circuit simplicity of design, cost is low.
Description
Technical field
The present invention relates to auto electric field, relate in particular to a kind of ion generator electricity with automobile bus controlRoad.
Background technology
In existing family expenses or on-board air conditioner, air purifier system product, ion generator needs independentControl circuit. Control circuit design is complicated, and cost is high.
Summary of the invention
The invention provides and utilize bussing technique transmission ion generator control signal, by control module controlThe ion generator circuit of the state of ion generator.
For realizing above-mentioned design, the present invention by the following technical solutions:
With an ion generator circuit for automobile bus control, comprising: central control circuit, ion occurCircuit, voltage control circuit, LIN communicating circuit and transmitter, described LIN communicating circuit and center-controlCircuit is electrically connected, and sends from LIN bus command and accept central control circuit to central control circuitThe status information of the ion circuit for generating feeding back to LIN bus; The input of described voltage control circuit and defeatedGo out end and be connected with ion circuit for generating with central control circuit respectively, and according to described in central control circuit foundationThe low and high level of instruction output starts or stops to the power supply of ion circuit for generating, the input of described transmitter withThe output of described ion circuit for generating is connected.
Wherein, also comprise that power supply input circuit, voltage input monitoring circuit, current monitoring circuit and LIN are totalLine signaling interface, described power supply input circuit is to LIN communicating circuit, central control circuit, Control of Voltage electricityRoad power supply; The input of described voltage input monitoring circuit is connected with power supply input circuit, output and central authoritiesControl circuit is connected; The input of described current monitoring circuit is connected with ion circuit for generating, output with inCentre control circuit is connected; LIN bus signals interface is used for connecting LIN bus and LIN communicating circuit.
Wherein, described central control circuit comprises that magnetic bead FB3, capacitor C 16, model are PIC16F1824Chip U3, resistance R 9, capacitor C 17, DLL ICSP1; One termination+5V of described magnetic bead FB3,The other end is connected with pin 1, the VDD power end of chip U3, one end of capacitor C 16 is connected; Capacitor C 16The other end be connected with the pin 14 of chip U3 and ground connection; One end of resistance R 9 is connected with VDD power end,The other end is connected with the pin 4 of chip U3, one end of capacitor C 17; The other end ground connection of capacitor C 17; CompileThe pin 1 of journey interface ICSP1 is connected with the pin 12 of chip U3, the pin 13 of pin 2 and chip U3Be connected, pin 3 ground connection, pin 4 is connected with VDD power end, pin 4 phases of pin 5 and chip U3Connect.
Wherein, described ion circuit for generating comprises inductance L 1, capacitor C 7, capacitor C 8, capacitor C 9, electric capacityC10, capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14, resistance R 3, resistance R 4, resistance R 5,Diode D2, diode D3, diode D4, diode D5, diode D6, diode D7, piezoelectricityCeramic transformer CT-1; One end of described capacitor C 10 is connected with the positive pole of diode D3, the other end and electricityThe one end that holds C9 is connected, and the other end of capacitor C 9 is connected with one end of resistance R 5, the other end of resistance R 5Be connected with the negative pole of diode D3, the positive pole of diode D3 connects direct current negative pole; One of described resistance R 4End is connected with the negative pole of diode D3, and the other end is connected with the base stage of triode Q3; Described resistance R 3One end is connected with one end of inductance L 1, and the other end is connected with the base stage of triode Q3, another of inductance L 1End is connected with the colelctor electrode of triode Q3; The base stage of triode Q4 is connected with the negative pole of diode D3, sends outEmitter-base bandgap grading is connected with the positive pole of diode D3, and colelctor electrode is connected with the base stage of triode Q3; Diode D2'sNegative pole is connected with the base stage of triode Q3, and positive pole is connected with the positive pole of diode D3; One end of capacitor C 7Be connected with the colelctor electrode of triode Q3, the other end is connected with one end of capacitor C 8, the other end of capacitor C 8Be connected with the positive pole of diode D3; Input of piezoelectric ceramic transformer CT-1 and triode Q3'sColelctor electrode be connected, another input is connected with the positive pole of diode D3, output and capacitor C 11 one end withAnd one end of capacitor C 13 is connected; The other end of capacitor C 11 is connected with the positive pole of diode D5, and D5's is negativeThe utmost point is connected with direct current negative pole; The negative pole of diode D4 is connected with the positive pole of diode D5, positive pole and electric capacityOne end of C12 is connected, and the other end of capacitor C 12 is connected with direct current negative pole; The other end of capacitor C 13 withThe positive pole of diode D6 is connected, and the negative pole of diode D6 is connected with one end of capacitor C 14, capacitor C 14The other end is connected with direct current negative pole, and the positive pole of diode D7 is connected with direct current negative pole, negative pole and diodeThe positive pole of D6 is connected.
Wherein, described voltage control circuit comprise resistance R 10, resistance R 11, resistance R 12, resistance R 13,Resistance R 14, resistance R 15, capacitor C 18, capacitor C 19, capacitor C 20, triode Q5, triode Q6,The operational amplifier U2 that magnetic bead FB4, model are NJM2904, one end of described resistance R 10 and chip U3Pin 11 be connected, the pin 5 of the other end and operational amplifier U2 is connected; One end ground connection of resistance R 11,The pin 5 of the other end and operational amplifier U2 is connected, and one end of capacitor C 18 and operational amplifier U2 drawPin 6 is connected, and the pin 7 of the other end and operational amplifier U2 is connected; One end of resistance R 12 and operation amplifierThe pin 7 of device U2 is connected, and the other end is connected with the base stage of triode Q6, and the emitter stage of triode Q6 connectsGround, colelctor electrode is connected with one end of resistance R 13, the base stage phase of the other end of resistance R 13 and triode Q5Connect, the emitter stage of triode Q5 is connected with VGG power end, and colelctor electrode is connected with one end of magnetic bead FB4,One end of the other end of magnetic bead FB4 and inductance L 1 and one end of resistance R 3 are connected, one end of capacitor C 20Ground connection, the other end is connected with the colelctor electrode of triode Q5; One end ground connection of capacitor C 19, the other end and three utmost pointsThe colelctor electrode of pipe Q5 is connected; One end of resistance R 14 is connected with the colelctor electrode of triode Q5, the other end and fortuneThe pin 6 of calculating amplifier U2 is connected; One end ground connection of resistance R 15, the other end and operational amplifier U2'sPin 6 is connected.
Wherein, described transmitter comprises negative high voltage output and positive high voltage output, described negative high voltage outputInput be connected with the positive pole of diode D4, the input of described positive high voltage output and diode D6'sNegative pole is connected.
Wherein, described LIN communicating circuit comprise model be TJA1021 chip U4, resistance R 22, resistance R 23,Resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, capacitor C 24, capacitor C 25, electric capacityC26, capacitor C 27, diode D8, diode D9; Described resistance R 22 1 terminations+5V, the other end and coreThe pin 5 of sheet U3 is connected; Resistance R 23 1 terminations+5V, the pin 6 of the other end and chip U3 is connected; ChipThe pin 5 of the pin 1 chip U3 of U4 is connected, and the pin 6 of pin 4 and chip U3 is connected, the pin 5 of chip U4Ground connection; Capacitor C 26 one end ground connection, the pin 6 of the other end and chip U4 is connected; One end of resistance R 25 and coreThe pin 6 of sheet U4 is connected, and the other end is connected with the negative pole of diode D8, the positive pole of diode D8 and chip U4Pin 7, VCC power end be connected; Capacitor C 24 one end ground connection, the pin 7 of the other end and chip U4 is connected;Capacitor C 25 one end ground connection, the pin 3 of the other end and chip U4 is connected; Resistance R 24 one end and chip U4 drawPin 7 is connected, and the pin 3 of the other end and chip U4 is connected; The pin 2 of one end of resistance R 26 and chip U4 is connected,The other end is connected with the positive pole of diode D9, and the pin 7 of the negative pole of diode D9 and chip U4 is connected; Electric capacityOne end of C27 is connected with the positive pole of diode D9, and the other end is connected with the negative pole of diode D9; Resistance R 27One end and the pin 2 of chip U4 be connected, the other end is connected with VJJ power end; One end of resistance R 28 and chipThe pin 2 of U4 is connected, and the pin 7 of the other end and chip U3 is connected.
Wherein, described power supply input circuit comprises magnetic bead FB1, magnetic bead FB2, capacitor C 1, capacitor C 2, electricityHold C3, capacitor C 4, capacitor C 5, capacitor C 6, diode D1, diode D10, diode D11,Piezo-resistance ZNR1, resistance R 1, resistance R 29, resistance R 2, resistance R 30, triode Q1, triodeThe chip U1 that Q2, model are NCV78M05; One end phase of one end of described magnetic bead FB1 and capacitor C 1Connect, one end of the other end and capacitor C 2, the positive pole of diode D1 are connected, the other end of capacitor C 1 and magneticOne end of pearl FB2 is connected, the other end, the piezo-resistance ZNR1 of the other end of magnetic bead FB2 and capacitor C 2The negative pole of one end, capacitor C 3 be connected and ground connection; The negative pole of diode D1 and piezo-resistance ZNR1's is anotherThe positive pole of one end, capacitor C 3, VCC power end, one end of resistance R 29, the emitter stage phase of triode Q1Connect; The other end of the base stage of triode Q1 and resistance R 29, one end of resistance R 2 are connected, colelctor electrode and coreThe pin 1 of sheet U1, one end of capacitor C 4, VGG power end are connected; The other end of resistance R 2 and three utmost pointsThe colelctor electrode of pipe Q2 is connected, and the base stage of triode Q2 is connected with one end of resistance R 1, emitter stage and resistanceOne end of R30 is connected and ground connection; The other end of resistance R 1, the other end of resistance R 30 are all with chip U4'sPin 8 is connected; The negative pole of the other end of capacitor C 4 and diode D10, one end of capacitor C 6, electric capacityThe negative pole of C5 is connected and ground connection; The pin 2 of chip U1 is connected with the positive pole of diode D10, pin 3 HesPositive pole, the VJJ power end of diode D11 are connected; The other end of the negative pole of diode D11 and capacitor C 6,The positive pole ,+5V power supply of capacitor C 5 are connected.
Wherein, described voltage input monitoring circuit comprises resistance R 6, resistance R 7, resistance R 8, capacitor C 15,One end of described resistance R 6 is connected with VGG power end, one end of the other end and resistance R 7, resistance R 8One end is connected; The other end ground connection of resistance R 8, pin 9, the electric capacity of the other end of resistance R 7 and chip U3One end of C15 is connected, the other end ground connection of capacitor C 15.
Wherein, described current monitoring circuit comprise magnetic bead FB5, resistance R 16, resistance R 17, resistance R 18,Resistance R 19, resistance R 20, resistance R 21, capacitor C 21, capacitor C 22, capacitor C 23, model areThe operational amplifier U2 of NJM2904, one end of described magnetic bead RB5 is connected with direct current negative pole, the other endBe connected with one end of resistance R 16, one end of resistance R 17, one end of resistance R 18; Another of resistance R 16The equal ground connection of the other end of end, resistance R 17; One end, the computing of the other end of resistance R 18 and capacitor C 21 are putThe pin 3 of large device U2 is connected; The other end ground connection of capacitor C 21; The pin 2 of operational amplifier U2 and electricityOne end of one end, the resistance R 20 of resistance R21 is connected, pin 4 ground connection, one end of pin 1 and resistance R 19,The other end of resistance R 20 is connected, and one end, the VGG power end of pin 8 and capacitor C 22 are connected; ResistanceThe other end ground connection of R21, the other end ground connection of capacitor C 22, the other end of resistance R 19 and capacitor C 23The pin 3 of one end, chip U3 is connected, the other end ground connection of capacitor C 23.
Beneficial effect of the present invention is: by utilizing LIN communicating circuit transmission ion circuit for generating control letterNumber, by the state of central control circuit control ion circuit for generating, control circuit simplicity of design, costLow.
Brief description of the drawings
Fig. 1 is the modular structure figure of a kind of ion generator circuit with automobile bus control of the present invention;
Fig. 2 is the LIN bus signals interface of a kind of ion generator circuit with automobile bus control of the present inventionCircuit theory diagrams;
Fig. 3 is the electricity of the central control circuit of a kind of ion generator circuit with automobile bus control of the present inventionRoad schematic diagram;
Fig. 4 is the ion circuit for generating of a kind of ion generator circuit with automobile bus control of the present invention and sends outThe circuit theory diagrams of emitter;
Fig. 5 is the electricity of the voltage control circuit of a kind of ion generator circuit with automobile bus control of the present inventionRoad schematic diagram;
Fig. 6 is the electricity of the LIN communicating circuit of a kind of ion generator circuit with automobile bus control of the present inventionRoad schematic diagram;
Fig. 7 is the electricity of the power supply input circuit of a kind of ion generator circuit with automobile bus control of the present inventionRoad schematic diagram;
Fig. 8 is the voltage input monitoring circuit of a kind of ion generator circuit with automobile bus control of the present inventionCircuit theory diagrams;
Fig. 9 is the electricity of the current monitoring circuit of a kind of ion generator circuit with automobile bus control of the present inventionRoad schematic diagram.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by detailed description of the invention.
Fig. 1 is the modular structure figure of a kind of ion generator circuit with automobile bus control of the present invention. As figureShown in, this circuit comprises: central control circuit 110, ion circuit for generating 120, voltage control circuit140, LIN communicating circuit 130 and transmitter 150, described LIN communicating circuit 130 and central control circuit110 are electrically connected, and send from the instruction of LIN bus and accept center-control electricity to central control circuit 110Road 110 is to the status information of the ion circuit for generating 120 of LIN bus feedback; Described voltage control circuit 140Input be connected with ion circuit for generating 120 with central control circuit 110 respectively with output, and according toCentral control circuit 110 starts or stops to ion circuit for generating 120 according to the low and high level of described instruction outputPower supply, the input of described transmitter 150 is connected with the output of described ion circuit for generating 120.
LIN communicating circuit 130 is connected with LIN bus, by utilizing LIN communicating circuit 130 to transmit ionCircuit for generating 120 control signals, control the state of ion circuit for generating 120 by central control circuit 110,Control circuit simplicity of design, cost is low.
Further, as shown in Figure 1, also comprise power supply input circuit 180, voltage input monitoring circuit 190,Current monitoring circuit 170 and LIN bus signals interface 160, described power supply input circuit 180 is logical to LINNews circuit 130, central control circuit 110, voltage control circuit 140 are powered; Described voltage input monitoring electricityThe input on road 190 is connected with power supply input circuit 180, and output is connected with central control circuit 110;The input of described current monitoring circuit 170 is connected with ion circuit for generating 120, output and center-controlCircuit 110 is connected; LIN bus signals interface 160 is for connecting LIN bus and LIN communicating circuit 130,The physical circuit schematic diagram of LIN bus signals interface 160 as shown in Figure 2.
Further, as shown in Figure 3, described central control circuit 110 comprise magnetic bead FB3, capacitor C 16,Model is chip U3, resistance R 9, capacitor C 17, the DLL ICSP1 of PIC16F1824; Described magneticOne termination+5V of pearl FB3, the other end is connected with pin 1, the VDD power end of chip U3, capacitor C 16One end be connected; The other end of capacitor C 16 is connected with the pin 14 of chip U3 and ground connection; Resistance R 9One end is connected with VDD power end, and the other end is connected with the pin 4 of chip U3, one end of capacitor C 17;The other end ground connection of capacitor C 17; The pin 1 of DLL ICSP1 is connected with the pin 12 of chip U3,Pin 2 is connected with the pin 13 of chip U3, pin 3 ground connection, and pin 4 is connected with VDD power end, drawsPin 5 is connected with the pin 4 of chip U3.
Central control circuit 110, specifically, Ta Yi road connects power supply input circuit 180, to obtain power supply;One tunnel connects LIN communicating circuit 130, to obtain LIN bus command or feedback ion circuit for generating 120Duty; Another road connects power supply input monitoring circuit 190, obtains power supply status; Also have a road to connectVoltage control circuit 140, exports low and high level according to command request to voltage control circuit 140; Last roadConnect current monitoring circuit 170, obtain the operating current signal of negative ion generating circuit 120, judge whether outNow abnormal, to do further reply.
Further, as shown in Figure 4, described ion circuit for generating 120 comprises inductance L 1, capacitor C 7, electricityHold C8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14, resistanceR3, resistance R 4, resistance R 5, diode D2, diode D3, diode D4, diode D5, two utmost pointsPipe D6, diode D7, piezoelectric ceramic transformer CT-1; One end of described capacitor C 10 and diode D3Positive pole be connected, the other end is connected with one end of capacitor C 9, one of the other end of capacitor C 9 and resistance R 5End is connected, and the other end of resistance R 5 is connected with the negative pole of diode D3, and the positive pole of diode D3 connects direct currentElectricity negative pole; One end of described resistance R 4 is connected with the negative pole of diode D3, the other end and triode Q3'sBase stage is connected; One end of described resistance R 3 is connected with one end of inductance L 1, the other end and triode Q3'sBase stage is connected, and the other end of inductance L 1 is connected with the colelctor electrode of triode Q3; The base stage of triode Q4 andThe negative pole of diode D3 is connected, and emitter stage is connected with the positive pole of diode D3, colelctor electrode and triode Q3Base stage be connected; The negative pole of diode D2 is connected with the base stage of triode Q3, anodal and diode D3Anodal being connected; One end of capacitor C 7 is connected with the colelctor electrode of triode Q3, one of the other end and capacitor C 8End is connected, and the other end of capacitor C 8 is connected with the positive pole of diode D3; One of piezoelectric ceramic transformer CT-1Individual input is connected with the colelctor electrode of triode Q3, and another input is connected with the positive pole of diode D3,Output is connected with one end of capacitor C 11 one end and capacitor C 13; The other end of capacitor C 11 and diodeThe positive pole of D5 is connected, and the negative pole of D5 is connected with direct current negative pole; The negative pole of diode D4 and diode D5Positive pole be connected, anodal be connected with one end of capacitor C 12, the other end of capacitor C 12 and direct current negative pole phaseConnect; The other end of capacitor C 13 is connected with the positive pole of diode D6, the negative pole of diode D6 and capacitor C 14One end be connected, the other end of capacitor C 14 is connected with direct current negative pole, the positive pole of diode D7 and direct currentNegative pole is connected, and negative pole is connected with the positive pole of diode D6.
Ion circuit for generating 120, specifically, Ta Yi road connects voltage control circuit 140, obtains or losesRemove input voltage; One tunnel connects current monitoring circuit 170, provides ion that electricity occurs to current monitoring circuit 170Road 120 operating current information; Also have a road to connect transmitter 150, high direct voltage is provided to transmitter 150.
Further, as shown in Figure 5, described voltage control circuit 140 comprise resistance R 10, resistance R 11,Resistance R 12, resistance R 13, resistance R 14, resistance R 15, capacitor C 18, capacitor C 19, capacitor C 20,The operational amplifier U2 that triode Q5, triode Q6, magnetic bead FB4, model are NJM2904, described electricityResistance one end of R10 and the pin 11 of chip U3 are connected, pin 5 phases of the other end and operational amplifier U2Connect; One end ground connection of resistance R 11, the pin 5 of the other end and operational amplifier U2 is connected, capacitor C 18One end and the pin 6 of operational amplifier U2 be connected, the pin 7 of the other end and operational amplifier U2 is connected;The pin 7 of one end of resistance R 12 and operational amplifier U2 is connected, the base stage phase of the other end and triode Q6Connect, the grounded emitter of triode Q6, colelctor electrode is connected with one end of resistance R 13, resistance R 13 separatelyOne end is connected with the base stage of triode Q5, and the emitter stage of triode Q5 is connected with VGG power end, current collectionThe utmost point is connected with one end of magnetic bead FB4, one end of the other end of magnetic bead FB4 and inductance L 1 and resistance R 3One end is connected, one end ground connection of capacitor C 20, and the other end is connected with the colelctor electrode of triode Q5; Capacitor C 19One end ground connection, the other end is connected with the colelctor electrode of triode Q5; One end of resistance R 14 and triode Q5Colelctor electrode be connected, the pin 6 of the other end and operational amplifier U2 is connected; One end ground connection of resistance R 15,The pin 6 of the other end and operational amplifier U2 is connected.
Voltage control circuit 140, specifically, its edge joint central control circuit 110, one edge joint ion is sent outRaw circuit 120, opens or closes ion according to the signal output low and high level of central control circuit 110 electricity occursRoad 120.
Further, as shown in Figure 4, described transmitter 150 comprises negative high voltage output and positive high voltage outputEnd, the input of described negative high voltage output is connected with the positive pole of diode D4, described positive high voltage outputInput is connected with the negative pole of diode D6.
Transmitter 150 is made up of high-voltage line, electric discharge carbon brush, earth terminal, generally its correspondence fromSub-circuit for generating 120 only has negative ion generating circuit, obtains after negative dc high voltage, by putting on transmitterElectrical carbon brush ionized air, produces anion.
If need to generate negative ions, negative ion generating circuit is above changed into negative ions electricity occursRoad, this is also one of the present invention and extends application.
Further, as shown in Figure 6, described LIN communicating circuit 130 comprise model be TJA1021 chip U4,Resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, electric capacityC24, capacitor C 25, capacitor C 26, capacitor C 27, diode D8, diode D9; Described resistance R 22 one endConnect+5V, the pin 5 of the other end and chip U3 is connected; Resistance R 23 1 terminations+5V, the other end and chip U3Pin 6 be connected; The pin 5 of the pin 1 chip U3 of chip U4 is connected, pin 6 phases of pin 4 and chip U3Connect pin 5 ground connection of chip U4; Capacitor C 26 one end ground connection, the pin 6 of the other end and chip U4 is connected;The pin 6 of one end of resistance R 25 and chip U4 is connected, and the other end is connected with the negative pole of diode D8, diodePin 7, the VCC power end of the positive pole of D8 and chip U4 are connected; Capacitor C 24 one end ground connection, the other end and coresThe pin 7 of sheet U4 is connected; Capacitor C 25 one end ground connection, the pin 3 of the other end and chip U4 is connected; Resistance R 24The pin 7 of one end and chip U4 is connected, and the pin 3 of the other end and chip U4 is connected; One end of resistance R 26 andThe pin 2 of chip U4 is connected, and the other end is connected with the positive pole of diode D9, the negative pole of diode D9 and chipThe pin 7 of U4 is connected; One end of capacitor C 27 is connected with the positive pole of diode D9, the other end and diode D9Negative pole be connected; The pin 2 of one end of resistance R 27 and chip U4 is connected, and the other end is connected with VJJ power end;The pin 2 of one end of resistance R 28 and chip U4 is connected, and the pin 7 of the other end and chip U3 is connected.
LIN communicating circuit 130, specifically, its edge joint central control circuit 110, one edge joint LIN busSignaling interface 160, the effect of playing is exactly the signal of changing both sides, to allow central control circuit 110 carry outIf the instruction of bus or bus are wondered the state of ion circuit for generating 120, central control circuit 110 willCorresponding feedback information is transferred to bus by LIN communicating circuit 130.
Further, as shown in Figure 7, described power supply input circuit 180 comprise magnetic bead FB1, magnetic bead FB2,Capacitor C 1, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, diode D1, two utmost pointsPipe D10, diode D11, piezo-resistance ZNR1, resistance R 1, resistance R 29, resistance R 2, resistance R 30,The chip U1 that triode Q1, triode Q2, model are NCV78M05; One end of described magnetic bead FB1Be connected with one end of capacitor C 1, one end of the other end and capacitor C 2, the positive pole of diode D1 are connected, electricityHold the other end of C1 and be connected with one end of magnetic bead FB2, the other end of the other end of magnetic bead FB2 and capacitor C 2,One end of piezo-resistance ZNR1, the negative pole of capacitor C 3 are connected and ground connection; The negative pole of diode D1 and pressure-sensitiveThe other end of resistance ZNR1, the positive pole of capacitor C 3, VCC power end, one end of resistance R 29, three utmost pointsThe emitter stage of pipe Q1 is connected; The other end of the base stage of triode Q1 and resistance R 29, one end of resistance R 2Be connected, the pin 1 of colelctor electrode and chip U1, one end of capacitor C 4, VGG power end are connected; ResistanceThe other end of R2 is connected with the colelctor electrode of triode Q2, one end phase of the base stage of triode Q2 and resistance R 1Connect, emitter stage is connected with one end of resistance R 30 and ground connection; The other end of resistance R 1, resistance R 30 anotherOne end is all connected with the pin 8 of chip U4; The negative pole of the other end of capacitor C 4 and diode D10, electric capacityOne end of C6, the negative pole of capacitor C 5 are connected and ground connection; The pin 2 of chip U1 and diode D10 are justExtremely connected, positive pole, the VJJ power end of pin 3 and diode D11 are connected; The negative pole of diode D11 andThe other end of capacitor C 6, the positive pole of capacitor C 5 ,+5V power supply are connected.
Further, as shown in Figure 8, described voltage input monitoring circuit 190 comprise resistance R 6, resistance R 7,Resistance R 8, capacitor C 15, one end of described resistance R 6 is connected with VGG power end, the other end and resistanceOne end of R7, one end of resistance R 8 are connected; The other end ground connection of resistance R 8, the other end of resistance R 7 andThe pin 9 of chip U3, one end of capacitor C 15 are connected, the other end ground connection of capacitor C 15.
Voltage input monitoring circuit 190, specifically, edge joint power supply input circuit 180, one edge joint central authoritiesControl circuit 110, the principle of application electric resistance partial pressure, when power supply input changes, corresponding central control circuitThe voltage of 110 monitoring clients also changes thereupon, then makes further reply, such as input voltage necessarily canIn the scope of accepting, change, central control circuit 110 does not respond, once lower than or exceed this voltageScope, central control circuit 110 can be controlled and close ion circuit for generating 120 and work, and voltage to be entered returnsTo this scope, again start ion circuit for generating 120.
Further, as shown in Figure 9, described current monitoring circuit 170 comprise magnetic bead FB5, resistance R 16,Resistance R 17, resistance R 18, resistance R 19, resistance R 20, resistance R 21, capacitor C 21, capacitor C 22,The operational amplifier U2 that capacitor C 23, model are NJM2904, one end of described magnetic bead RB5 and direct currentNegative pole is connected, one end phase of one end of the other end and resistance R 16, one end of resistance R 17, resistance R 18Connect; The other end of resistance R 16, the equal ground connection of the other end of resistance R 17; The other end of resistance R 18 and electric capacityOne end of C21, the pin of operational amplifier U2 3 are connected; The other end ground connection of capacitor C 21; Operation amplifierThe pin 2 of device U2 is connected with one end of one end of resistance R 21, resistance R 20, pin 4 ground connection, pin 1Be connected with one end of resistance R 19, the other end of resistance R 20, one end, the VGG of pin 8 and capacitor C 22Power end is connected; The other end ground connection of resistance R 21, the other end ground connection of capacitor C 22, resistance R 19 anotherOne end of one end and capacitor C 23, the pin 3 of chip U3 are connected, the other end ground connection of capacitor C 23.
Current monitoring circuit 170, specifically, it connects ion circuit for generating 120 on one side, in connecting on one sideCentre control circuit 110, effect is the operating current information of obtaining ion circuit for generating 120, then offers central authoritiesControl circuit 110, so that central control circuit 110 judges ion circuit for generating, whether 120 duties occurExtremely. If there is extremely, central control circuit 110 is controlled at once voltage control circuit 140 and is closed ionCircuit for generating 120. Wherein the U2B in U2A and the Fig. 5 in Fig. 9 is that model is the computing of NJM2904Two parts of amplifier U2, it has two groups of input/output terminals, voltage monitoring circuit 140 and current monitoringCircuit 170 has been used respectively wherein one group, for circuit theory diagrams statements clear, therefore separated, thisAlso be the practices well in circuit diagram.
The entirety being made up of above-mentioned components and parts, by utilizing the control of LIN communicating circuit transmission ion circuit for generatingSignal, by the state of central control circuit control ion circuit for generating, control circuit simplicity of design, costLow.
The above, be only preferably detailed description of the invention of the present invention, but not office of protection scope of the present inventionBe limited to this, any people who is familiar with this technology in the disclosed technical scope of the present invention, the change that can expect easilyChange or replace, within all should being encompassed in protection scope of the present invention. Therefore, protection scope of the present invention shouldProtection domain with claim is as the criterion.
Claims (8)
1. the ion generator circuit with automobile bus control, it is characterized in that, comprise: central control circuit, ion circuit for generating, voltage control circuit, LIN communicating circuit and transmitter, described LIN communicating circuit and central control circuit are electrically connected, and send from the instruction of LIN bus and accept the status information of the ion circuit for generating that central control circuit feeds back to LIN bus to central control circuit; The input of described voltage control circuit is connected with ion circuit for generating with central control circuit respectively with output, and start or stop to the power supply of ion circuit for generating according to the low and high level of described instruction output according to central control circuit, the input of described transmitter is connected with the output of described ion circuit for generating;
Wherein, also comprise power supply input circuit, voltage input monitoring circuit, current monitoring circuit and LIN bus signals interface, described power supply input circuit is to LIN communicating circuit, central control circuit, voltage control circuit power supply; The input of described voltage input monitoring circuit is connected with power supply input circuit, and output is connected with central control circuit; The input of described current monitoring circuit is connected with ion circuit for generating, and output is connected with central control circuit; LIN bus signals interface is used for connecting LIN bus and LIN communicating circuit;
Wherein, described central control circuit comprises chip U3, resistance R 9, capacitor C 17, the DLL ICSP1 that magnetic bead FB3, capacitor C 16, model are PIC16F1824; One termination+5V of described magnetic bead FB3, the other end of described magnetic bead FB3 is connected with pin 1 and the VDD power end of chip U3; One end of described capacitor C 16 is connected with VDD power end, and the other end of capacitor C 16 is connected with the pin 14 of chip U3 and ground connection; One end of resistance R 9 is connected with VDD power end, and the other end of resistance R 9 is connected with the pin 4 of chip U3, one end of capacitor C 17; The other end ground connection of capacitor C 17; The pin 1 of DLL ICSP1 is connected with the pin 12 of chip U3, and pin 2 is connected with the pin 13 of chip U3, pin 3 ground connection, and pin 4 is connected with VDD power end, and pin 5 is connected with the pin 4 of chip U3.
2. a kind of ion generator circuit with automobile bus control according to claim 1, it is characterized in that, described ion circuit for generating comprises inductance L 1, capacitor C 7, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14, resistance R 3, resistance R 4, resistance R 5, diode D2, diode D3, diode D4, diode D5, diode D6, diode D7, piezoelectric ceramic transformer CT-1; One end of described capacitor C 10 is connected with the positive pole of diode D3, the other end of capacitor C 10 is connected with one end of capacitor C 9, the other end of capacitor C 9 is connected with one end of resistance R 5, and the other end of resistance R 5 is connected with the negative pole of diode D3, and the positive pole of diode D3 connects direct current negative pole; One end of described resistance R 4 is connected with the negative pole of diode D3, and the other end of resistance R 4 is connected with the base stage of triode Q3; One end of described resistance R 3 is connected with one end of inductance L 1, and the other end of resistance R 3 is connected with the base stage of triode Q3, and the other end of inductance L 1 is connected with the colelctor electrode of triode Q3; The base stage of triode Q4 is connected with the negative pole of diode D3, and the emitter stage of triode Q4 is connected with the positive pole of diode D3, and the colelctor electrode of triode Q4 is connected with the base stage of triode Q3; The negative pole of diode D2 is connected with the base stage of triode Q3, and the positive pole of diode D2 is connected with the positive pole of diode D3; One end of capacitor C 7 is connected with the colelctor electrode of triode Q3, and the other end of capacitor C 7 is connected with one end of capacitor C 8, and the other end of capacitor C 8 is connected with the positive pole of diode D3; An input of piezoelectric ceramic transformer CT-1 is connected with the colelctor electrode of triode Q3, and another input is connected with the positive pole of diode D3, and output is connected with one end of capacitor C 11 one end and capacitor C 13; The other end of capacitor C 11 is connected with the positive pole of diode D5, and the negative pole of diode D5 is connected with direct current negative pole; The negative pole of diode D4 is connected with the positive pole of diode D5, and the positive pole of diode D4 is connected with one end of capacitor C 12, and the other end of capacitor C 12 is connected with direct current negative pole; The other end of capacitor C 13 is connected with the positive pole of diode D6, the negative pole of diode D6 is connected with one end of capacitor C 14, the other end of capacitor C 14 is connected with direct current negative pole, and the positive pole of diode D7 is connected with direct current negative pole, and the negative pole of diode D7 is connected with the positive pole of diode D6.
3. a kind of ion generator circuit with automobile bus control according to claim 2, it is characterized in that, described voltage control circuit comprises the operational amplifier U2 that resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, capacitor C 18, capacitor C 19, capacitor C 20, triode Q5, triode Q6, magnetic bead FB4, model are NJM2904, the pin 11 of one end of described resistance R 10 and chip U3 is connected, and the pin 5 of the other end of resistance R 10 and operational amplifier U2 is connected, one end ground connection of resistance R 11, the pin 5 of the other end of resistance R 11 and operational amplifier U2 is connected, and the pin 6 of one end of capacitor C 18 and operational amplifier U2 is connected, and the pin 7 of the other end of capacitor C 18 and operational amplifier U2 is connected, the pin 7 of one end of resistance R 12 and operational amplifier U2 is connected, the other end of resistance R 12 is connected with the base stage of triode Q6, the grounded emitter of triode Q6, the colelctor electrode of triode Q6 is connected with one end of resistance R 13, the other end of resistance R 13 is connected with the base stage of triode Q5, the emitter stage of triode Q5 is connected with VGG power end, the colelctor electrode of triode Q5 is connected with one end of magnetic bead FB4, one end of the other end of magnetic bead FB4 and inductance L 1 and one end of resistance R 3 are connected, one end ground connection of capacitor C 20, the other end of capacitor C 20 is connected with the colelctor electrode of triode Q5, one end ground connection of capacitor C 19, the other end of capacitor C 19 is connected with the colelctor electrode of triode Q5, one end of resistance R 14 is connected with the colelctor electrode of triode Q5, and the pin 6 of the other end of resistance R 14 and operational amplifier U2 is connected, one end ground connection of resistance R 15, the pin 6 of the other end of resistance R 15 and operational amplifier U2 is connected.
4. a kind of ion generator circuit with automobile bus control according to claim 3, it is characterized in that, described transmitter comprises negative high voltage output and positive high voltage output, the input of described negative high voltage output is connected with the positive pole of diode D4, and the input of described positive high voltage output is connected with the negative pole of diode D6.
5. a kind of ion generator circuit with automobile bus control according to claim 4, it is characterized in that, described LIN communicating circuit comprises that model is chip U4, resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, capacitor C 24, capacitor C 25, capacitor C 26, capacitor C 27, diode D8, the diode D9 of TJA1021; Described resistance R 22 1 terminations+5V, the pin 5 of the other end of resistance R 22 and chip U3 is connected; Resistance R 23 1 terminations+5V, the pin 6 of the other end of resistance R 23 and chip U3 is connected; The pin 1 of chip U4 is connected with the pin 5 of chip U3, and the pin 6 of pin 4 and chip U3 is connected, pin 5 ground connection of chip U4; Capacitor C 26 one end ground connection, the pin 6 of the other end of capacitor C 26 and chip U4 is connected; The pin 6 of one end of resistance R 25 and chip U4 is connected, and the other end of resistance R 25 is connected with the negative pole of diode D8, and pin 7, the VCC power end of the positive pole of diode D8 and chip U4 are connected; Capacitor C 24 one end ground connection, the pin 7 of the other end and chip U4 is connected; Capacitor C 25 one end ground connection, the pin 3 of the other end of capacitor C 25 and chip U4 is connected; The pin 7 of resistance R 24 one end and chip U4 is connected, and the pin 3 of the other end of resistance R 24 and chip U4 is connected; The pin 2 of one end of resistance R 26 and chip U4 is connected, and the other end of resistance R 26 is connected with the positive pole of diode D9, and the pin 7 of the negative pole of diode D9 and chip U4 is connected; One end of capacitor C 27 is connected with the positive pole of diode D9, and the other end of capacitor C 27 is connected with the negative pole of diode D9; The pin 2 of one end of resistance R 27 and chip U4 is connected, and the other end of resistance R 27 is connected with VJJ power end; The pin 2 of one end of resistance R 28 and chip U4 is connected, and the pin 7 of the other end of resistance R 28 and chip U3 is connected.
6. a kind of ion generator circuit with automobile bus control according to claim 5, it is characterized in that, described power supply input circuit comprises the chip U1 that magnetic bead FB1, magnetic bead FB2, capacitor C 1, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, diode D1, diode D10, diode D11, piezo-resistance ZNR1, resistance R 1, resistance R 29, resistance R 2, resistance R 30, triode Q1, triode Q2, model are NCV78M05; One end of described magnetic bead FB1 is connected with one end of capacitor C 1, one end of the other end of magnetic bead FB1 and capacitor C 2, the positive pole of diode D1 are connected, the other end of capacitor C 1 is connected with one end of magnetic bead FB2, and the negative pole of the other end of the other end of magnetic bead FB2 and capacitor C 2, one end of piezo-resistance ZNR1, capacitor C 3 is connected and ground connection; One end of the other end of the negative pole of diode D1 and piezo-resistance ZNR1, the positive pole of capacitor C 3, VCC power end, resistance R 29, the emitter stage of triode Q1 are connected; The other end of the base stage of triode Q1 and resistance R 29, one end of resistance R 2 are connected, and the pin 1 of colelctor electrode and chip U1, one end of capacitor C 4, VGG power end are connected; The other end of resistance R 2 is connected with the colelctor electrode of triode Q2, and the base stage of triode Q2 is connected with one end of resistance R 1, and the emitter stage of triode Q2 is connected with one end of resistance R 30 and ground connection; The other end of resistance R 1, the other end of resistance R 30 are all connected with the pin 8 of chip U4; The other end of capacitor C 4 is connected and ground connection with the negative pole of diode D10, one end of capacitor C 6, the negative pole of capacitor C 5; The pin 2 of chip U1 is connected with the positive pole of diode D10, and the pin 3 of chip U1 is connected with the positive pole of diode D11, VJJ power end; The other end of the negative pole of diode D11 and capacitor C 6, the positive pole of capacitor C 5 ,+5V power supply are connected.
7. a kind of ion generator circuit with automobile bus control according to claim 6, it is characterized in that, described voltage input monitoring circuit comprises resistance R 6, resistance R 7, resistance R 8, capacitor C 15, one end of described resistance R 6 is connected with VGG power end, and one end of the other end of resistance R 6 and resistance R 7, one end of resistance R 8 are connected; The other end ground connection of resistance R 8, the pin 9 of the other end of resistance R 7 and chip U3, one end of capacitor C 15 are connected, the other end ground connection of capacitor C 15.
8. a kind of ion generator circuit with automobile bus control according to claim 7, it is characterized in that, described current monitoring circuit comprises the operational amplifier U2 that magnetic bead FB5, resistance R 16, resistance R 17, resistance R 18, resistance R 19, resistance R 20, resistance R 21, capacitor C 21, capacitor C 22, capacitor C 23, model are NJM2904, one end of described magnetic bead FB5 is connected with direct current negative pole, and one end of the other end of magnetic bead FB5 and resistance R 16, one end of resistance R 17, one end of resistance R 18 are connected; The other end of resistance R 16, the equal ground connection of the other end of resistance R 17; One end of the other end of resistance R 18 and capacitor C 21, the pin 3 of operational amplifier U2 are connected; The other end ground connection of capacitor C 21; The pin 2 of operational amplifier U2 is connected with one end of one end of resistance R 21, resistance R 20, pin 4 ground connection, and one end of pin 1 and resistance R 19, the other end of resistance R 20 are connected, and one end, the VGG power end of pin 8 and capacitor C 22 are connected; The other end ground connection of resistance R 21, the other end ground connection of capacitor C 22, one end of the other end of resistance R 19 and capacitor C 23, the pin 3 of chip U3 are connected, the other end ground connection of capacitor C 23.
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| CN107919607A (en) * | 2017-12-21 | 2018-04-17 | 台州新立模塑科技股份有限公司 | A kind of negative ion generating device |
| CN107919608A (en) * | 2017-12-21 | 2018-04-17 | 台州新立模塑科技股份有限公司 | A kind of negative ion generating device with LIN controls |
| CN108488912A (en) * | 2018-03-28 | 2018-09-04 | 广州凌飞电子科技有限公司 | The dual-purpose air purifier of automobile household |
| CN109731856A (en) * | 2018-12-29 | 2019-05-10 | 广东晶科电子股份有限公司 | A kind of detection system of LED support plasma cleaning process |
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