CN201311032Y - Multifunctional control circuit assembly for environmental-protection air conditioner - Google Patents
Multifunctional control circuit assembly for environmental-protection air conditioner Download PDFInfo
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- CN201311032Y CN201311032Y CNU2008202017736U CN200820201773U CN201311032Y CN 201311032 Y CN201311032 Y CN 201311032Y CN U2008202017736 U CNU2008202017736 U CN U2008202017736U CN 200820201773 U CN200820201773 U CN 200820201773U CN 201311032 Y CN201311032 Y CN 201311032Y
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Abstract
The utility model discloses a multifunctional control circuit assembly for an environmental-protection air conditioner applied in the industrial field. The multifunctional control circuit assembly comprises an outdoor fan control circuit and an indoor operation control circuit, wherein the outdoor fan control circuit comprises a phase detection circuit (100) for imputing an AC power source, an overcurrent detection circuit (101), an appliance drive circuit (102), a DC voltage stabilizing converting circuit (103), and a communication interface circuit (104), which are connected with a fan control main circuit (106) respectively; and the indoor operation circuit comprises a fan control key input circuit (107), a display screen drive and fault alarm display circuit (109) and an operation control power conversion circuit (111), which are connected with an operation control main circuit (108) respectively. The multifunctional control circuit assembly can perform the functions of power phase lack detection, overcurrent detection, display screen display and fault sound-light alarm, etc., and has the advantages of advanced technique, multiple functions, sensitive and reliable control, convenient operation and use, prolonged service life and reduced maintenance cost.
Description
One, technical field
The utility model relates to a kind of air conditioner (or claiming blower fan) that is usually used in industrial circle, specifically relates to a kind of control circuit of environment-friendly air conditioner.
Two, background technology
At present, the control circuit that is usually used in the environment-friendly air conditioner of industrial circle is common key-press switch control, and its function singleness, mechanical life are short, causes air-conditioner host to be easy to suffer electric fault such as phase shortage, the phase failure and is burnt, thereby increased the maintenance cost of product.
Three, utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of multifunctional control circuit assembly with environment-friendly air conditioner of over-current detection, the detection of power supply phase shortage and fault sound and light alarm, display screen demonstration is provided.
The purpose of this utility model is realized by following technical scheme: a kind of multifunctional control circuit assembly of environment-friendly air conditioner, comprise outdoor fan control circuit and in-house operation control circuit, described outdoor fan control circuit comprises phase detecting circuit, over-current detection circuit, electrical apparatus driving circuit, DC voltage-stabilizing change-over circuit, the communication interface circuit of the input ac power that links to each other respectively with blower fan control main circuit; Described in-house operation control circuit comprises blower fan control button inputting circuits, display screen driving and fault alarm display circuit, the operation control power-switching circuit that links to each other respectively with operation control main circuit.
After adopting the utility model electronic structure, the phase detecting circuit of input ac power, over-current detection circuit, display screen drive and the fault alarm display circuit has functions such as the detection of power supply phase shortage, over-current detection and display screen demonstration, fault sound and light alarm respectively, its advanced technology, multiple functional, control is sensitive reliable, easy for operation, thereby prolonged the service life of product, reduced the maintenance cost of product.Be specially adapted to the air conditioner of industrial circle.
Four, description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Fig. 1 is the line map of outdoor fan control circuit of the present utility model.
Fig. 2 is the line map of in-house operation control circuit of the present utility model.
Fig. 3 is the structural representation that the outdoor fan control panel of outdoor fan control circuit of the present utility model is housed.
Five, the specific embodiment
With reference to Fig. 1, Fig. 2 as can be known, the multifunctional control circuit assembly of the utility model environment-friendly air conditioner, comprise outdoor fan control circuit and in-house operation control circuit, described outdoor fan control circuit comprises phase detecting circuit 100, over-current detection circuit 101, electrical apparatus driving circuit 102, DC voltage-stabilizing change-over circuit 103, the communication interface circuit 104 of the input ac power that links to each other respectively with blower fan control main circuit 106, also comprises the blower fan water level detection circuit 105 (in order to increase the water level detecting function of blower fan) that links to each other with blower fan control main circuit 106; Described in-house operation control circuit comprises blower fan control button inputting circuits 107, display screen driving and fault alarm display circuit 109, the operation control power-switching circuit 111 that links to each other respectively with operation control main circuit 108, also comprises the online programming interface circuit 110 (in order to increase online programing function) that links to each other with operation control main circuit 108.Wherein:
Blower fan control main circuit 106 is: single-chip microcomputer U4 (model: PIC16F690), be the core processor of whole outdoor fan control circuit.
The phase detecting circuit 100 of input ac power is: 380V alternating current and zero line are imported by four terminals, and its A links 1 pin of photoelectrical coupler U2 by resistance R 11, and 2 pin of photoelectrical coupler U2 are connected to zero line by diode D1; Its B links 1 pin of photoelectrical coupler U6 by resistance R 22, and 2 pin of photoelectrical coupler U6 are connected to zero line by diode D2; Its C links 1 pin of photoelectrical coupler U7 by resistance R 23, and 2 pin of photoelectrical coupler U7 are connected to zero line by diode D3; + 5VDC power supply is respectively by resistance R 13, resistance R 12, resistance R 25 is connected to photoelectrical coupler U2, U6,4 pin of U7, photoelectrical coupler U2, U6,3 pin of U7 are received ground simultaneously, its 4 pin be connected respectively to equally chip U3 (model: HEF40106) 1,3,5 pin, 1 of chip U3,3,5 pin also are associated with capacitor C 2 respectively, C9, C10 also is connected to ground, 9 pin of chip U3,11 pin, 13 pin, 14 (vcc) pin is connected to+the 5V power supply, 8 pin of chip U3,10 pin, 12 pin are unsettled, 7 (vss) pin is connected to ground, there is capacitor C 18 to be connected between 9 pin and 7 (vss) pin of chip U3,2 pin of chip U3,4 pin, 6 pin are by resistance R 24, resistance R 33, resistance R 10 be connected to blower fan control main circuit 106 single-chip microcomputer U4 (model: PIC16F690) 17,18,19 pin, 17 of single-chip microcomputer U4,18,19 pin also are associated with capacitor C 3 respectively, C4, C5 is connected to ground.Its circuit working principle explanation: the A of 380V alternating current, B, the C three-phase electricity is input to the input of photoelectrical coupler by three current-limiting resistances, this moment, the input detection of three-phase electricity was received chip U3 (HEF40106) by three groups of signals of photoelectrical coupler induction output, the U3 chip is handled three groups of signals well and is handled to single-chip microcomputer U4 (PIC16F690), single-chip microcomputer U4 detects 380V voltage and is in correct phase place, and there is not misphase, information such as the phase failure, normal operation circuit, otherwise will drive and sound and light alarm such as the buzzer U16 of fault alarm display circuit 109 and display screen D51 (LED) demonstration is pointed out error message by display screen.
Over-current detection circuit 101 is: the C of 380V alternating current links to each other as gathering the electric current input with the winding of the blower fan control motor M of this environment-friendly air conditioner through transformer L2 mutually, the induction output-parallel resistance R 80 of transformer L2, one end ground connection of resistance R 80, the other end of resistance R 80 connects capacitor C 16 and electrochemical capacitor E30 by diode D5, the equal ground connection of another one pin of these two electric capacity, the negative pole of diode D5 is connected to resistance R 31, one end of resistance R 31 is connected to ground by resistance R 29, the other end of resistance R 31 is connected to the positive pole of electrochemical capacitor E4 and an end of capacitor C 13, and be connected to the positive pole of diode D4, the negative pole of diode D4 is received+5VDC, the negative pole of electrochemical capacitor E4, the other end of capacitor C 13 is connected to ground, and the positive pole of diode D4 is connected to the 14th pin of the single-chip microcomputer U4 of blower fan control main circuit simultaneously; The B of 380V alternating current links to each other as gathering the electric current input with the winding of blower fan control motor M through transformer L1 mutually, the induction output-parallel resistance R 81 of transformer L1, one end ground connection of resistance R 81, the other end of resistance R 81 connects capacitor C 15 and electrochemical capacitor E20 by diode D7, the equal ground connection of another one pin of these two electric capacity, the negative pole of diode D7 is connected to resistance R 30, one end of resistance R 30 is connected to ground by resistance R 28, the other end of resistance R 30 is connected to the positive pole of electrochemical capacitor E1 and an end of capacitor C 12, and be connected to the positive pole of diode D6, the negative pole of diode D6 is received+5VDC, the negative pole of electrochemical capacitor E1, the other end of capacitor C 12 is connected to ground, and the positive pole of diode D6 is connected to the 13rd pin of the single-chip microcomputer U4 of blower fan control main circuit simultaneously.Its circuit working principle explanation: blower fan control motor is when running status, this motor B, two windings of C are by transformer L1, L2 detects current signal, transformer L1, the secondary induction of L2 goes out current information, pass through diode rectification, convert A/D switching signal after the filtering to single-chip microcomputer U4 (PIC16F690) communication, the current parameters of single-chip microcomputer U4 inner setting and the parameter of detection compare, if exceed setting value, then will drive and sound and light alarms such as the buzzer U16 of fault alarm display circuit 109 and display screen D51 (LED) demonstration are pointed out error message by display screen.
Electrical apparatus driving circuit 102 is: blower fan control main circuit 106 1 pin of single-chip microcomputer U4 be connected to 4 pin of single-chip microcomputer U4 by resistance R 3,4 pin of single-chip microcomputer U4 are connected to ground by capacitor C 17; 2 pin of single-chip microcomputer U4 by resistance R 41 be connected to drive integrated U5 (model: 7 pin ULN2003), 7 pin that drive integrated U5 are connected to ground by resistance R 16; 3 pin of single-chip microcomputer U4 are connected to 6 pin that drive integrated U5 by resistance R 40, and 6 pin that drive integrated U5 are connected to ground by resistance R 17; 5 pin of single-chip microcomputer U4 are connected to 5 pin that drive integrated U5 by resistance R 39, and 5 pin that drive integrated U5 are connected to ground by resistance R 9; 6 pin of single-chip microcomputer U4 are connected to 4 pin that drive integrated U5 by resistance R 38, and 4 pin that drive integrated U5 are connected to ground by resistance R 18; 7 pin of single-chip microcomputer U4 are connected to 3 pin that drive integrated U5 by resistance R 37, and 3 pin that drive integrated U5 are connected to ground by resistance R 19; 8 pin of single-chip microcomputer U4 are connected to 2 pin that drive integrated U5 by resistance R 36, and 2 pin that drive integrated U5 are connected to ground by resistance R 20; 9 pin of single-chip microcomputer U4 are connected to 1 pin that drives integrated U5 by resistance R 35, and 1 pin that drives integrated U5 is connected to ground by resistance R 21; 9 pin that drive integrated U5 are received+12VDC, and 8 pin that drive integrated U5 are received ground; 10 pin that drive integrated U5 are received coil one pin of relay K 2, and another pin of the coil of relay K 2 is received+12VDC, relay K 2 output control electronics water intaking valves; 11 pin that drive integrated U5 are received coil one pin of relay K 6, and another pin of the coil of relay K 6 is received+12VDC, relay K 6 output control draining valves; 12 pin that drive integrated U5 are received coil one pin of relay K 1, and another pin of the coil of relay K 1 is received+12VDC, relay K 1 output control swing motor; 13 pin that drive integrated U5 are received coil one pin of relay K 3, and another pin of the coil of relay K 3 is received+12VDC, relay K 3 output control water pumps; 14,15 pin that drive integrated U5 are received coil one pin of relay K 8, and another pin of the coil of relay K 8 is received+12VDC, relay K 8 output control blower fan low speed; 16 pin that drive integrated U5 are received coil one pin of relay K 9, and another pin of the coil of relay K 9 is received+12VDC, and relay K 9 output control blower fans at a high speed.Its circuit working principle explanation: according to the circuit function requirement, the 2/3/5/6/7/8/9 pin output control signal of single-chip microcomputer U4, arrive 7/6/5/4/3/2/1 pin of the integrated U5 of driving of this electrical apparatus driving circuit, by its 7/6/5/4/3/2/1 pin drive respectively relay K 2 K6 K1 K3 K8 K8 the coil of K9, relay coil energising back contact closure is controlled electronics water intaking valve, electronic drain valve, swing motor, water pump, blower fan low cruise A.C. contactor, blower fan high-speed cruising A.C. contactor respectively.
DC voltage-stabilizing change-over circuit 103 is: the A of 380V alternating current mutually with zero line between piezo-resistance RV1 in parallel, its zero line connects fuse F1, its A capacitor C 19 that is connected, an end of capacitor C 19 is linked transformer T2, and the other end of fuse F1 and C19 together is connected to transformer T2; The secondary shunt capacitance C20 of transformer T2, and by four rectifying tube D10, D11, D12, D13 carries out rectification, the rectification output signal connects capacitor C 21 successively, electrochemical capacitor E5, the positive pole input Voltage stabilizing module U9 (model: 1 pin LM7812) of electrochemical capacitor E5, the negative pole of electrochemical capacitor E5 is linked 2 pin of Voltage stabilizing module U9,3 pin of Voltage stabilizing module U9 are linked capacitor C 22, the positive pole of electrochemical capacitor E6, the negative pole of diode Z2, another pin of capacitor C 22, the negative pole of electrochemical capacitor E6, the positive pole of diode Z2 is connected to 2 pin of Voltage stabilizing module U9 in the lump, the 3 pin output+12VDC of Voltage stabilizing module U9; 3 pin of Voltage stabilizing module U9 are connected to Voltage stabilizing module U10 (model: 1 pin LM7805), 2 pin of Voltage stabilizing module U10 are connected to ground, 3 pin of Voltage stabilizing module U10 are connected to electrochemical capacitor E7, capacitor C 23, resistance R 34, resistance R 34 connects the positive pole of luminous tube D8, another pin of the negative pole of the negative pole of luminous tube D8 and electrochemical capacitor E7, capacitor C 23 is connected to ground, the 3 pin output+5VDC of Voltage stabilizing module U10.Its circuit working principle explanation: the A of 380V alternating current and zero line input 220V AC signal, be connected to transformer through piezo-resistance and electric capacity and carry out step-down, the alternating voltage of the secondary output 13V of transformer, again through four diode bridge rectifications, pass through LM7812 Voltage stabilizing module (being U9) again and carry out voltage stabilizing, after passing through filter capacitor again, obtain+12VDC voltage, to supply with the work of outdoor fan control entire circuit, + 12VDC voltage passes through LM7805 Voltage stabilizing module (being U10) again and carries out voltage stabilizing, after passing through filter capacitor again, obtain+5VDC voltage, with 106 power supplies of fan control main circuit.
Blower fan water level detection circuit 105 is: input 1,2 pin of level sensor connect resistance R 4, resistance R 5 respectively and receive+5VDC, its 3 pin is connected to its 4 pin by resistance R 2, its 4 pin is received+5VDC by resistance R 3 again, input 1,2,4 pin of level sensor are received 16,11,15 pin of the single-chip microcomputer U4 of blower fan control main circuit 106 again respectively simultaneously, 16,11,15 pin of single-chip microcomputer U4 connect capacitor C 6, C8, C1 respectively to ground, the input 5 pin ground connection of level sensor.Its circuit theory explanation: 5 pin of input are respectively from level sensor, its 5 pin ground connection, 1,2,4 pin by resistance receive+draw power supply on the 5VDC, when sensor has input signal, input low level gives single-chip microcomputer U4 as input signal, disturb in order to make input signal not have noise signal, carry out filtering with electric capacity C6, C8, C1 respectively.The high-low level of input signal combination is through single-chip microcomputer U4 analyzing and processing, thereby the water level of judging in the environment-friendly air conditioner is in what state (lack of water, low water level, middle water level, high water level etc.).
Above-mentioned+5VDC ,+12VDC provides by DC voltage-stabilizing change-over circuit 103.
Operation control main circuit 108 is: single-chip microcomputer U11 (model: PIC16F887), core processor for whole in-house operation control circuit, the RE3/MCLR pin of single-chip microcomputer U11 (1 pin) connects capacitor C 72 to ground, connect R91 simultaneously and arrive+5VDC, its RE3/MCLR pin is also connected to 1 pin (being the VPP pin) of the port CON5 of online programming interface circuit 110.
Blower fan control button inputting circuits 107 is: the end of switch S 1, S2 to S6 is linked ground, its other end is connected to the single-chip microcomputer U11 (model: 33,34 to 38 pin PIC16F887) of operation control main circuit 108 respectively by resistance R 89, resistance R 88 to resistance R 84, this 33,34 to 38 pin is connected to ground by capacitor C 56, C55 to C51 respectively, shunt capacitance C57, C58 between 32 pin of single-chip microcomputer U11 and 31 pin, 31 pin of single-chip microcomputer U11 receive ground.The explanation of its circuit working principle: switch S 1, S2 to S6 have formed the operation signal input of the The whole control system of environment-friendly air conditioner, and each switch all is a contact-making switch, press certain switch after, this switch is just received ground, as the input signal of single-chip microcomputer U11; Switch S 1, S2, S3, S4, S5, S6 corresponding function respectively are: switching on and shutting down, pattern conversion, pendulum wind, cleaning, wind speed add, wind speed subtracts.
Display screen drives and fault alarm display circuit 109 is: and shunt capacitance C100, C101 between 11 pin (VDD) of the single-chip microcomputer U11 of control operation main circuit 108,12 pin (VSS), 11 pin (VDD) of single-chip microcomputer U11 be connected to+and 12 pin (VSS) of 5VDC, single-chip microcomputer U11 receive ground; 2,3 to 7 pin of single-chip microcomputer U11 are connected respectively to by resistance R 51, R52 to R56 and drive integrated U13 (model: 5,6,7 pin ULN2003), (model: 1,2,3 pin ULN2003), 15,16,17,18 pin of single-chip microcomputer U11 are connected to 4,5,6,7 pin that drive integrated U14 by resistance R 57, R58 to R60 respectively to drive integrated U14; Drive 1 of integrated U13,2,3,4,8 pin ground connection, they are 10 years old, 11,12 pin are received the K20 of port CON18, K21, the K22 pin, drive 10 of integrated U14,11 to 16 receive the K29 of port CON18, K28 to K23 pin, 23 of single-chip microcomputer U11,22 to 19 pin are respectively by resistance R 78, R64, R63, R62, R61 links triode Q19, Q17, Q15, Q13, the base stage of Q11, the emitter stage of triode Q19 is received ground, the colelctor electrode of triode Q19 is by buzzer U16, resistance R 82 is received+12VDC, triode Q17, Q15, Q13, the emitter stage of Q11 is received the D23 of port CON18 respectively, D22, D21, the D20 pin; + 5VDC is connected respectively to the colelctor electrode of triode Q17, Q15, Q13, Q11 by resistance R 72, R71, R70, R69,27 (RD4) of single-chip microcomputer U11,28 (RD5), 29 (RD6), 30 (RD7) pin are linked the base stage of triode Q12, Q14, Q16, Q18 respectively by resistance R 65, R66, R67, R68, + 5VDC links the colelctor electrode of triode Q12, Q14, Q16, Q18 respectively by resistance R 73, R74, R75, R76, the emitter stage of triode Q12, Q14, Q16, Q18 is received D24, D25, D26, the D27 pin of port CON18 respectively; 24 pin of single-chip microcomputer U11 are received+5VDC by resistance R 77, luminous tube D51.Its circuit working principle explanation: the single-chip microcomputer U11 (PIC16F887) of control operation main circuit outputs a control signal to by resistance R 51, R52 to R56 and drives integrated U13, U14 output corresponding signal to the display screen led module, the base stage of triode Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18 is controlled by single-chip microcomputer U11, the output corresponding signal is to the display screen led module, led module is combined into various characters and shows, and triode Q19 connects buzzer U16 to send buzzing alarming.24 pin of the single-chip microcomputer U11 of control operation main circuit are received+5VDC by resistance R 77, luminous tube D51, so that luminous alarm indication function to be provided.
Online programming interface circuit 110 is: 1 pin of port CON5,4 pin, 5 pin are received 1,40,39 pin of the single-chip microcomputer U11 of control operation main circuit respectively, the 3 pin ground connection of interface CON5, and its 2 pin connects+5VDC, has capacitor C 61 to join between its 2 pin and 3 pin.Its circuit working principle explanation: five pin of interface CON5 are connected with the online programming interface of single-chip microcomputer U11 (PIC16F887), after single-chip microcomputer U11 correctly is welded on the circuit board, can utilize external programmable device (MPLAB-ICD2) thus interface single-chip microcomputer U11 is carried out online programming.
Operation control power-switching circuit 111 is: the 1 pin ground connection of port CON3,2 pin meet electrochemical capacitor E50, and receive Voltage stabilizing module U12 (model: 1 pin LM7805), the 2 pin ground connection of Voltage stabilizing module U12, its 3 pin is received capacitor C 0, the positive pole of electrochemical capacitor E51, the negative pole of diode Z52, one end of resistance R 83, capacitor C 0, electrochemical capacitor E51, the other end of diode Z52 is connected to ground, the other end of resistance R 83 is received the positive pole of luminous tube D52, the negative pole of luminous tube D52 is received ground, the 3rd pin of interface CON3 is linked 2 pin of photoelectric coupling circuit U15, the colelctor electrode of triode Q10, + 5VDC is respectively by resistance R 79, R90 links 1 pin and 4 pin of photoelectric coupling circuit U15, the 3 pin ground connection of photoelectric coupling circuit U15,26 pin of the single-chip microcomputer U11 of control operation main circuit are linked 4 pin of photoelectric coupling circuit U15,4 pin of photoelectric coupling circuit U15 are by capacitor C 59 ground connection, 25 pin of single-chip microcomputer U11 are received the base stage of triode Q10, the grounded emitter of triode Q10 by resistance R 85.Its circuit working principle explanation: port CON3 is connected to mainboard by connection, its 1 pin ground connection, 2 pin be from mainboard+the 12V signal, + 12V signal is through filter capacitor E50, again through Voltage stabilizing module LM7805 (being U12) step-down, output+5V power supply demonstrates the normal power source signal again by capacitor filtering, and by LED; Its 3 pin is the communication interface of control panel and mainboard, and 3 pin are combined into change-over circuit by two resistance and photoelectrical coupler, a triode, with 25, the 26 pin communications of single-chip microcomputer U11.
Above-mentioned+5VDC is provided by operation control power-switching circuit 111.
The utlity model has functions such as over-current detection, the detection of three phase mains phase shortage, water level detecting and power supply indication, fault sound and light alarm, display screen demonstration, online programming.
The control system of environment-friendly air conditioner is divided into the in-house operation controller that the in-house operation control circuit is housed, outdoor fan control panel two parts that the outdoor fan control circuit is housed.With reference to Fig. 3, the outdoor fan control panel is made of 6 buttons, it controls respectively that machine open/close 51, pattern conversion 52, wind speed add 53, wind speed subtracts 54, pendulum wind 55 and manually clean six press keys such as 56, and wherein the pattern conversion has air-supply, refrigeration and sets and clean isotype automatically.Connect with three leads between in-house operation controller and the outdoor fan control panel, be respectively direct current supply line, ground wire, connection.Control system adopts light emitting diode (LED) to show that control program is powered by three-phase 380V.
Claims (11)
1, a kind of multifunctional control circuit assembly of environment-friendly air conditioner, comprise outdoor fan control circuit and in-house operation control circuit, it is characterized in that: described outdoor fan control circuit comprises phase detecting circuit (100), over-current detection circuit (101), electrical apparatus driving circuit (102), DC voltage-stabilizing change-over circuit (103), the communication interface circuit (104) of the input ac power that links to each other respectively with blower fan control main circuit (106); Described in-house operation control circuit comprises blower fan control button inputting circuits (107), display screen driving and fault alarm display circuit (109), the operation control power-switching circuit (111) that links to each other respectively with operation control main circuit (108).
2, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1 is characterized in that: also comprise the blower fan water level detection circuit (105) that links to each other with blower fan control main circuit (106); Described blower fan water level detection circuit (105) is: input 1,2 pin of level sensor connect resistance R 4, resistance R 5 respectively and receive+5VDC, its 3 pin is connected to its 4 pin by resistance R 2, its 4 pin is received+5VDC by resistance R 3 again, input 1,2,4 pin of level sensor are received 16,11,15 pin of the single-chip microcomputer U4 of blower fan control main circuit (106) again respectively simultaneously, 16,11,15 pin of single-chip microcomputer U4 connect capacitor C 6, C8, C1 respectively to ground, the input 5 pin ground connection of level sensor.
3, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1 and 2 is characterized in that: also comprise the online programming interface circuit (110) that links to each other with operation control main circuit (108); Described online programming interface circuit (110) is: 1 pin of interface CON5,4 pin, 5 pin are received 1,40,39 pin of the single-chip microcomputer U11 of control operation main circuit (108) respectively, the 3 pin ground connection of interface CON5, its 2 pin connects+5VDC, has capacitor C 61 to join between its 2 pin and 3 pin.
4, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: the phase detecting circuit of described input ac power (100) is: 380V alternating current and zero line are imported by four terminals, its A links 1 pin of photoelectrical coupler U2 by resistance R 11, and 2 pin of photoelectrical coupler U2 are connected to zero line by diode D1; Its B links 1 pin of photoelectrical coupler U6 by resistance R 22, and 2 pin of photoelectrical coupler U6 are connected to zero line by diode D2; Its C links 1 pin of photoelectrical coupler U7 by resistance R 23, and 2 pin of photoelectrical coupler U7 are connected to zero line by diode D3; + 5VDC power supply is respectively by resistance R 13, resistance R 12, resistance R 25 is connected to photoelectrical coupler U2, U6,4 pin of U7, photoelectrical coupler U2, U6,3 pin of U7 are received ground simultaneously, its 4 pin is connected respectively to 1 of chip U3 equally, 3,5 pin, 1 of chip U3,3,5 pin also are associated with capacitor C 2 respectively, C9, C10 also is connected to ground, 9 pin of chip U3,11 pin, 13 pin, 14 (vcc) pin is connected to+the 5V power supply, 8 pin of chip U3,10 pin, 12 pin are unsettled, 7 (vss) pin is connected to ground, there is capacitor C 18 to be connected between 9 pin and 7 (vss) pin of chip U 3,2 pin of chip U3,4 pin, 6 pin are by resistance R 24, resistance R 33, resistance R 10 be connected to blower fan control main circuit (106) single-chip microcomputer U4 17,18,19 pin, 17 of single-chip microcomputer U4,18,19 pin also are associated with capacitor C 3 respectively, C4, C5 is connected to ground.
5, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described over-current detection circuit (101) is: the C of 380V alternating current links to each other as gathering the electric current input with the winding of the blower fan control motor M of this environment-friendly air conditioner through transformer L2 mutually, the induction output-parallel resistance R 80 of transformer L2, one end ground connection of resistance R 80, the other end of resistance R 80 connects capacitor C 16 and electrochemical capacitor E30 by diode D5, the equal ground connection of another one pin of these two electric capacity, the negative pole of diode D5 is connected to resistance R 31, one end of resistance R 31 is connected to ground by resistance R 29, the other end of resistance R 31 is connected to the positive pole of electrochemical capacitor E4 and an end of capacitor C 13, and be connected to the positive pole of diode D4, the negative pole of diode D4 is received+5VDC, the negative pole of electrochemical capacitor E4, the other end of capacitor C 13 is connected to ground, and the positive pole of diode D4 is connected to the 14th pin of the single-chip microcomputer U4 of blower fan control main circuit simultaneously; The B of 380V alternating current links to each other as gathering the electric current input with the winding of blower fan control motor M through transformer L1 mutually, the induction output-parallel resistance R 81 of transformer L1, one end ground connection of resistance R 81, the other end of resistance R 81 connects capacitor C 15 and electrochemical capacitor E20 by diode D7, the equal ground connection of another one pin of these two electric capacity, the negative pole of diode D7 is connected to resistance R 30, one end of resistance R 30 is connected to ground by resistance R 28, the other end of resistance R 30 is connected to the positive pole of electrochemical capacitor E1 and an end of capacitor C 12, and be connected to the positive pole of diode D6, the negative pole of diode D6 is received+5VDC, the negative pole of electrochemical capacitor E1, the other end of capacitor C 12 is connected to ground, and the positive pole of diode D6 is connected to the 13rd pin of the single-chip microcomputer U4 of blower fan control main circuit (106) simultaneously.
6, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described electrical apparatus driving circuit (102) is: blower fan control main circuit (106) 1 pin of single-chip microcomputer U4 be connected to 4 pin of single-chip microcomputer U4 by resistance R 3,4 pin of single-chip microcomputer U4 are connected to ground by capacitor C 17; 2 pin of single-chip microcomputer U4 are connected to 7 pin that drive integrated U5 by resistance R 41, and 7 pin that drive integrated U5 are connected to ground by resistance R 16; 3 pin of single-chip microcomputer U4 are connected to 6 pin that drive integrated U5 by resistance R 40, and 6 pin that drive integrated U5 are connected to ground by resistance R 17; 5 pin of single-chip microcomputer U4 are connected to 5 pin that drive integrated U5 by resistance R 39, and 5 pin that drive integrated U5 are connected to ground by resistance R 9; 6 pin of single-chip microcomputer U4 are connected to 4 pin that drive integrated U5 by resistance R 38, and 4 pin that drive integrated U5 are connected to ground by resistance R 18; 7 pin of single-chip microcomputer U4 are connected to 3 pin that drive integrated U5 by resistance R 37, and 3 pin that drive integrated U5 are connected to ground by resistance R 19; 8 pin of single-chip microcomputer U4 are connected to 2 pin that drive integrated U5 by resistance R 36, and 2 pin that drive integrated U5 are connected to ground by resistance R 20; 9 pin of single-chip microcomputer U4 are connected to 1 pin that drives integrated U5 by resistance R 35, and 1 pin that drives integrated U5 is connected to ground by resistance R 21; 9 pin that drive integrated U5 are received+12VDC, and 8 pin that drive integrated U5 are received ground; 10 pin that drive integrated U5 are received coil one pin of relay K 2, and another pin of the coil of relay K 2 is received+12VDC, relay K 2 output control electronics water intaking valves; 11 pin that drive integrated U5 are received coil one pin of relay K 6, and another pin of the coil of relay K 6 is received+12VDC, relay K 6 output control draining valves; 12 pin that drive integrated U5 are received coil one pin of relay K 1, and another pin of the coil of relay K 1 is received+12VDC, relay K 1 output control swing motor; 13 pin that drive integrated U5 are received coil one pin of relay K 3, and another pin of the coil of relay K 3 is received+12VDC, relay K 3 output control water pumps; 14,15 pin that drive integrated U5 are received coil one pin of relay K 8, and another pin of the coil of relay K 8 is received+12VDC, relay K 8 output control blower fan low speed; 16 pin that drive integrated U5 are received coil one pin of relay K 9, and another pin of the coil of relay K 9 is received+12VDC, and relay K 9 output control blower fans at a high speed.
7, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described DC voltage-stabilizing change-over circuit (103) is: the A of 380V alternating current mutually with zero line between piezo-resistance RV1 in parallel, its zero line connects fuse F1, its A capacitor C 19 that is connected, one end of capacitor C 19 is linked transformer T2, and the other end of fuse F1 and C19 together is connected to transformer T2; The secondary shunt capacitance C20 of transformer T2, and by four rectifying tube D10, D11, D12, D13 carries out rectification, the rectification output signal connects capacitor C 21 successively, electrochemical capacitor E5,1 pin of the positive pole input Voltage stabilizing module U9 of electrochemical capacitor E5, the negative pole of electrochemical capacitor E5 is linked 2 pin of Voltage stabilizing module U9,3 pin of Voltage stabilizing module U9 are linked capacitor C 22, the positive pole of electrochemical capacitor E6, the negative pole of diode Z2, another pin of capacitor C 22, the negative pole of electrochemical capacitor E6, the positive pole of diode Z2 is connected to 2 pin of Voltage stabilizing module U9 in the lump, the 3 pin output+12VDC of Voltage stabilizing module U9; 3 pin of Voltage stabilizing module U9 are connected to 1 pin of Voltage stabilizing module U10,2 pin of Voltage stabilizing module U10 are connected to ground, 3 pin of Voltage stabilizing module U10 are connected to electrochemical capacitor E7, capacitor C 23, resistance R 34, resistance R 34 connects the positive pole of luminous tube D8, another pin of the negative pole of the negative pole of luminous tube D8 and electrochemical capacitor E7, capacitor C 23 is connected to ground, the 3 pin output+5VDC of Voltage stabilizing module U10.
8, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described communication interface circuit (104) is: 1 pin of communication interface is signal IO, 2 pin are VCC+12V output, 3 pin are GND, its 1 pin IO connects resistance R 1 respectively, diode D9 positive pole, diode Z1 negative pole, triode Q1 colelctor electrode, 2 pin of photoelectric coupling circuit U1, diode Z1 positive pole is linked 3 pin GND of communication interface, resistance R 1, another pin of diode D9 is connected to+5VDC, + 5VDC links 1 pin of light lotus root U1 by resistance R 7,3 pin of light lotus root U1 are linked GND, 4 pin of light lotus root U1 are linked+5VDC by resistance R 6, and being connected to ground by capacitor C 7,4 pin of light lotus root U1 are linked 12 pin of the single-chip microcomputer U4 of blower fan control main circuit (106); 10 pin of single-chip microcomputer U4 are linked the base stage of triode Q2 by resistance R 15, and the colelctor electrode of triode Q2 is linked+5VDC by resistance R 8, and are connected to the base stage of triode Q1 by resistance R 14, and the emitter stage of triode Q1, Q2 is received 3 pin GND of communication interface.
9, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described blower fan control button inputting circuits (107) is: the end of switch S 1, S2 to S6 is linked ground, its other end is connected to 33,34 to 38 pin of the single-chip microcomputer U11 of operation control main circuit (108) respectively by resistance R 89, resistance R 88 to resistance R 84, this 33,34 to 38 pin is connected to ground by capacitor C 56, C55 to C51 respectively, shunt capacitance C57, C58 between 32 pin of single-chip microcomputer U11 and 31 pin, 31 pin of single-chip microcomputer U11 receive ground.
10, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described display screen drives and fault alarm display circuit (109) is: and shunt capacitance C100, C101 between 11 pin (VDD) of the single-chip microcomputer U11 of control operation main circuit (108), 12 pin (VSS), 11 pin (VDD) of single-chip microcomputer U11 be connected to+and 12 pin (VSS) of 5VDC, single-chip microcomputer U11 receive ground; 2,3 to 7 pin of single-chip microcomputer U11 are connected respectively to 5,6,7 pin that drive integrated U13,1,2,3 pin that drive integrated U14 by resistance R 51, R52 to R56, and 15,16,17,18 pin of single-chip microcomputer U11 are connected to 4,5,6,7 pin that drive integrated U14 by resistance R 57, R58 to R60 respectively; Drive 1 of integrated U13,2,3,4,8 pin ground connection, they are 10 years old, 11,12 pin are received the K20 of port CON18, K21, the K22 pin, drive 10 of integrated U14,11 to 16 receive the K29 of port CON18, K28 to K23 pin, 23 of single-chip microcomputer U11,22 to 19 pin are respectively by resistance R 78, R64, R63, R62, R61 links triode Q19, Q17, Q15, Q13, the base stage of Q11, the emitter stage of triode Q19 is received ground, the colelctor electrode of triode Q19 is by buzzer U16, resistance R 82 is received+12VDC, triode Q17, Q15, Q13, the emitter stage of Q11 is received the D23 of port CON18 respectively, D22, D21, the D20 pin; + 5VDC is connected respectively to the colelctor electrode of triode Q17, Q15, Q13, Q11 by resistance R 72, R71, R70, R69,27 (RD4) of single-chip microcomputer U11,28 (RD5), 29 (RD6), 30 (RD7) pin are linked the base stage of triode Q12, Q14, Q16, Q18 respectively by resistance R 65, R66, R67, R68, + 5VDC links the colelctor electrode of triode Q12, Q14, Q16, Q18 respectively by resistance R 73, R74, R75, R76, the emitter stage of triode Q12, Q14, Q16, Q18 is received D24, D25, D26, the D27 pin of port CON18 respectively; 24 pin of single-chip microcomputer U11 are received+5VDC by resistance R 77, luminous tube D51.
11, the multifunctional control circuit assembly of environment-friendly air conditioner according to claim 1, it is characterized in that: described operation control power-switching circuit (111) is: the 1 pin ground connection of port CON3,2 pin meet electrochemical capacitor E50, and receive 1 pin of Voltage stabilizing module U12, the 2 pin ground connection of Voltage stabilizing module U12, its 3 pin is received capacitor C 0, the positive pole of electrochemical capacitor E51, the negative pole of diode Z52, one end of resistance R 83, capacitor C 0, electrochemical capacitor E51, the other end of diode Z52 is connected to ground, the other end of resistance R 83 is received the positive pole of luminous tube D52, the negative pole of luminous tube D52 is received ground, the 3rd pin of interface CON3 is linked 2 pin of photoelectric coupling circuit U15, the colelctor electrode of triode Q10, + 5VDC is respectively by resistance R 79, R90 links 1 pin and 4 pin of photoelectric coupling circuit U15, the 3 pin ground connection of photoelectric coupling circuit U15,26 pin of the single-chip microcomputer U11 of control operation main circuit are linked 4 pin of photoelectric coupling circuit U15,4 pin of photoelectric coupling circuit U15 are by capacitor C 59 ground connection, 25 pin of single-chip microcomputer U11 are received the base stage of triode Q10, the grounded emitter of triode Q10 by resistance R 85.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202017736U CN201311032Y (en) | 2008-10-14 | 2008-10-14 | Multifunctional control circuit assembly for environmental-protection air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008202017736U CN201311032Y (en) | 2008-10-14 | 2008-10-14 | Multifunctional control circuit assembly for environmental-protection air conditioner |
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| CN201311032Y true CN201311032Y (en) | 2009-09-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028483A (en) * | 2018-05-31 | 2018-12-18 | 佛山市中格威电子有限公司 | A kind of wireless control system for air-conditioning parameter modification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028483A (en) * | 2018-05-31 | 2018-12-18 | 佛山市中格威电子有限公司 | A kind of wireless control system for air-conditioning parameter modification |
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Effective date of registration: 20110520 Address after: 5 road 325216 Zhejiang city of Ruian province Tong Pu Xiang Tong River scenic area bus station end point (Zhejiang kangyou Environmental Protection Technology Co. Ltd.) Patentee after: ZheJiang Kangyou Environmental Protection Technology Co., Ltd. Address before: 5 road 325216 Zhejiang city of Ruian province Tong Pu Xiang Tong River scenic area bus station (end point Ruian Luyuan electromechanical Co. Ltd.) Patentee before: Xu Dingshu |
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