CN2420578Y - Controller for gas water heater with water, electric and air linked function - Google Patents

Abstract

The utility model relates to a controller for a gas water heater with the function of linking water, electricity and gas. The utility model mainly comprises a casing, a circuit board, a computer, an igniter, a coupler, conducting wires, a water flow sensing device, a strong gas exhaust electric control device and a triple electromagnetic valve gas control device. The utility model is characterized in that by adopting the combination form of a circuit and a computer, the information of water, electricity and gas is input into a computer and processed by the computer which thereafter carries out instructions and enables the gas water heater to finish the function of linking water in an automatic and programmed way, electricity and gas. The utility model has the advantages of simple operation, easy use, suitability for application to gas water heaters with various gas sources or types.

Description

Gas water heater controller with water, electricity and gas wind interlock function

The utility model is a kind of controller with gas heater of water, electricity, gas, wind interlock function, be with circuit and computer controlled automatic current size, fuel gas buring, fan switch, the design of the regulation device of genus gas heater and the technical field of manufacturing.

At present, the gas heater of domestic production is taken as the leading factor with forced-ventilated, no matter be semi-automatic or full rotation type, scarcely really possesses water, electricity, gas, wind interlock function.

Its control function of the gas heater that has is to establish a power switch at the 220V input, moves the connection power supply with hand during use, just can move by the logic function that is provided with then, and is very inconvenient.

The gas apparatus water heater that has is to establish a power switch at the light current control end of AC power, also needs to move turn-knob during use and connects power supply with hand, and could still be manual by the function operation that is provided with then.

The gas heater that has is not established power switch, and power supply is all connected during use, and time spent power supply and control section still are not in "on" position, will make whole water heater be in unsafe condition in case control section breaks down, and hidden danger is very big.

The water flow sensing unit that gas heater uses, mostly for can only produce streamflow regime near the switching regulator sensor, or the flow-type sensor, or adopt the mechanically operated microswitch formula of water film valve formula sensing technology, all can not adapt to the full-automation needs of gas heater.

The forced-ventilated gas water heater of domestic production at present because the dual-use function sensor is not set, can not be finished water, electricity, gas, wind interlock automatically, and automaticity is low, uses extremely inconvenience, also can cause energy waste, and also there is hidden danger in its secure context.

Goal of the invention of the present utility model is exactly at the deficiencies in the prior art, design a kind of novel gas water heater controller, the appliance computer information technology, the water, electricity, gas of the whole gas heater of programme-control, wind interlock function, make gas heater be in sequencing, automation state fully, really become a complete full-automatic device, use convenient, the energy is saved more, and safety coefficient improves greatly.

Primary structure of the present utility model is by housing, power transformer, pulsed electron igniter, electrical control circuit plate, one-chip computer, condition indicative signal lamp, current sensing device, triple magnetic valve control device of air, forced-ventilated wind-powered electricity generation control device, coupling, cable conductor are formed.The positive right side of face that it is characterized by housing 1 is equipped with electrical control circuit plate 2, in the centre position of electrical control circuit plate 2 one-chip computer 3 is housed, left upper portion at housing 1 is equipped with pulsed electron igniter 4, power transformer 5 is equipped with in the bottom, and coupling 6 is equipped with in the left side of housing 1, coupling 7 is equipped with on the right side; Coupling 6 comprises current sensing coupling, power supply input coupling, flame probe coupling, air valve state microswitch coupling, indicator lamp coupling, magnetic valve coupling; Coupling 7 comprises blast mensuration coupling, blower fan coupling, overtemperature protection coupling; Power transformer 5, pulsed electron igniter 4, electrical control circuit plate 2, one-chip computer 3, coupling 6,7 are by cable conductor and triple magnetic valve control device of air, and forced-ventilated wind-powered electricity generation control device, current sensing device connect.

Described electrical control circuit plate 2 mainly is made up of 15 parallel circuits, i.e. power converting circuit IC1, current sensing control circuit IC2, flame detection circuit IC3, blast fast detecting IC circuit 4, pierce circuit IC5, electrify restoration circuit IC6, DC power-supply circuit IC7, overheating protection circuit IC8, air valve status circuit IC9, timer input circuit IC10, driving circuit for electromagnetic valve IC11, condition indication circuit IC12, pulsed electron firing circuit IC13, draught fan control circuit IC14, power control circuit IC15.

After power converting circuit IC1:220V AC power entered the elementary winding of transformer T1 through coupling X5.1,5.2, the secondary windings I of transformer T1 entered rectifier bridge E1 through coupling X6.1,6.2, became dc source+24V through capacitor C 12, C13 filtering; The secondary windings II becomes dc source+12V through rectifier bridge E2, capacitor C 14, C15 filtering; The secondary windings III becomes dc source+5V after rectifier bridge E3, capacitor C 16, C17, C18, C19 filtering, voltage-stablizer N1 voltage stabilizing; The secondary windings IV is not done conversion through coupling X7.1,7.2, by m, the AC power end of n termination flame detection circuit IC3 and the ac power input end of pulsed electron igniter 4.

Current sensing control circuit IC2: the one tunnel through dry-reed tube switch K1, coupling 3.1,3.2, and the pull-up resistor R12 of warp+5V power supply moves back the streamflow regime input RA3 that 6 filtering of lotus root capacitor C enter computer 3; A, the b end of one tunnel a, b termination power control circuit IC15 through dry-reed tube switch K2; Another group meets power supply phase line L through coupling 4.1,4.2, inserts the end points S point of piezo-resistance R34 and IC15 through protective tube F1; Zero line N is termination coupling 5.1,5.2 left, and the other end connects motor M 1 through piezo-resistance R34 to the right; Earth connection is PE.

Flame detection circuit IC3:m, n end links with m, the n end of the secondary windings of IC1, and the n end needs to introduce by isolation capacitance C5, divider resistance R9, and the m end needs to link by the earth terminal PE that exchanges output resistance R11 and IC2; Flame probe A2 connects with resistance R 9, R8, R7, R6, R4, R3, capacitor C 4, C3 through coupling X2.1,2.2, by resistance R 10 and forms the filtering net, enters that FET V1 handles detects inlet RAO after capacitor C 2 enters the flame of computer 3.

Blast fast detecting IC circuit 4: blast status switch S1 is through coupling X1.1,1.2, moves back the blast state input RA1 that lotus root capacitor C 1, pull-up resistor R1 enter computer 3.

Oscillator IC circuit 5:+5 dc source through resonant resistance R13, move back lotus root capacitor C 2 and enter computer oscillator input OSC1.

Electrify restoration circuit IC6: by+introducing of 5V dc source, V2 resets through fly-wheel diode, and R14 is in parallel with timing resistor, through capacitor C 8, resistance R 15 filtering, enters the RESET input MCLB of computer 3, another road ground connection.

DC power-supply circuit IC7:+5V dc source one pass is gone into the power end vdd terminal of computer 3, and power end VSS end is introduced through moving back lotus root capacitor C 9 in another road.

Overheating protection circuit IC8; By switch S 2 one tunnel through coupling X8.1 ground connection, the one tunnel through coupling X8.2 ,+the pull-up resistor R16 of 5V, move back the overtemperature protection end RA2 that lotus root capacitor C 10 connects computer 3, another road ground connection.

Air valve status circuit IC9: the pull-up resistor R17 of switch S 3 warp+5V, move back the air valve state switch terminal RBO that lotus root capacitor C 11 enters computer 3, another road ground connection.

Timer input circuit IC10: enter the timer input RTCC of computer 3 through pull-up resistor R2 by+5V dc source.

Solenoid-driven output circuit IC11: by the power supply switch terminal RB3 output signal of computer 3, after resistance R 20, pull down resistor R21, triode V4 are amplified, through resistance R 19, enter triode V3; Another road connects+the 24V dc source through resistance R 18, and triode V3 connects+the 12V power supply through isolating diode V7, enters electromagnetic valve switch Y1 through coupling X10.1,10.2; Electromagnetic valve switch Y1, Y2, Y3 and diode V8, V9, V10 link; After the solenoid control end RB2 output, through resistance R 22, pull down resistor R23 ground connection, another road enters triode V5, and connects electromagnetic valve switch Y1, Y2, diode V8, V9 by end points W; After the switching solenoid valve output RB1 output of computer 3, through resistance R 24, pull down resistor R25 ground connection, another road meets triode V6, connects diode V10, enters electromagnetic valve switch Y3 through coupling X11.1,11.2.

State indication output circuit IC12: after the state indication end RB4 output by computer 3, the one tunnel through capacitor C 20 ground connection, and one the tunnel links through resistance R 26, luminous tube H1 and+5V dc source.

Pulsed electron firing circuit IC13: after the IGNITION CONTROL end RB5 output by computer 3, enter photoelectrical coupler B2 through resistance R 27, and connection+5V power supply, through coupling X12.1,12.2 inlet point firearm E4, the power end of m, n tip node firearm 4.

Blower motor control circuit IC14: after the blower fan control end RB6 output by computer 3, enter triode V11 and UNICOM+5V power supply through resistance R 28, enter photoelectrical coupler B3 through resistance R 30, one the tunnel is in parallel with diode V14 through capacitor C 21, through coupling X13.1,13.2 and the phase line client link of motor M 1, another road of photoelectrical coupler B3 links through resistance R 33 and P point and bidirectional triode thyristor V16.

Power control circuit IC15: after the power control terminal RB7 output by computer 3, enter triode V12 through resistance R 29, and connection+5V power supply, connect photoelectrical coupler B4 then, through resistance R 31 ground connection, a routing capacitance C22, diode V13 meet bidirectional triode thyristor V15, link with end points D, P, another road of photoelectrical coupler B4 links through resistance R 32, end points S and piezo-resistance R34, resistance R 34 phase-connecting wire L, zero line N, and a, the b that is drawn by photoelectrical coupler B4 end links with a, the b end of IC2.

Described igniter 4, installing plate 19 and screw hole 20 are arranged in the centre of housing 18, there are high- voltage line 23,24, high voltage package 22 in the left side, high voltage package 22 links by HV Terminal 25 and high- voltage line 23,24, the right side is equipped with ignitor circuit plate 21 and is linked by lead 26 and high voltage package 22, ignitor circuit plate 21 links with power input 27, and power input 27 connects with the pulsed electron igniter IC13 of controller circuit board 2.

Described current pass device, be to be fixed with backplate 46, pressing plate 29 with screw 30 in the front of housing 28, there is valve body plate 45 top and bottom, and the centre is equipped with sensor housing 43 and is connected with coupling 31 by lead 32, and coupling 31 connects with the current control circuit IC2 of controller circuit board 2; Water channel 35 is arranged in the housing 28, hang piece 33 in the water channel 35, hanging has magnetic patch 34 on the piece 33, hangs piece 33 and is contained in and hangs on the piece axle 40, and the right side of housing 28 is equipped with insulation link plate 38 and is pushed down sealing ring 37 and water channel 35; Sensor housing 43 centres have dividing plate 44, both sides that tongue tube 41,42 is housed and lead 32, coupling 31 link.

Described triple magnetic valve control device of air is in air valve body 76 left sides magnetic valve 65,66 to be housed, and connects circuit board 2 by terminal 39,47; Be equipped with the centre adjusting rod 80, cam 69, reed 70, microswitch 68 on control valve 79, the control valve 79, by the computer 3 on the lead 71 connection circuit boards 2; Control valve 77 and magnetic valve 67 are housed above, connect by the computer on lead 72, hookup 73 and the circuit board 23; Air flue is arranged in the magnetic valve 65,66 and link with air flue in the control valve 79, control valve 77, magnetic valve 67.

Described forced-ventilated wind-powered electricity generation control device is that pressure differential disc 48 and fixing with support 54 is housed in the Forced discharge fan lower left, and microswitch 56, conductor terminal 57 circuit passband plates 2 in parallel are housed on the support 54; Pressure reduction film 49, pressure reduction axle 55, positive pressure air chamber 52, negative pressure air chamber 53, malleation mouth 50, negative pressure mouth 51 are arranged in the pressure differential disc 48, pressure reduction axle 55 links with pressure reduction film 49 and microswitch 56, malleation mouth 50 is an open UNICOM natural air, vented cavity 60 UNICOMs of negative pressure mouth 51 and wind-pressure tube 59, wind-pressure tube 59 front ends are sampling pipe 58, sampling pipe 58 is bending and gos deep in the bellows 74, in the bellows 74 is air channel 64, on blower fan 75, motor 63, lead 62, coupling 61 are arranged, coupling 61 connection circuit plates 2.

The utility model is compared with background technology has tangible advance, the design form that the controller of its gas heater has adopted the assembly circuit to combine with one-chip computer, triple solenoid control have been adopted in the combustion gas regulation and control, can control the big fire and the little fire burns of combustion gas automatically, water valve device is provided with the oboe water flow sensing unit, can in time be transferred to controller and computer to the status information of taps, forced-ventilated wind and air-breathing have adopted pressure reduction film control acquisition technique, both can gather air quantity information, can feed back to blower fan stall situation on the computer again, and carry out information processing and send instruction by computer, the application of computer information technology, make all functions of gas heater, all by circuit board and the unified control of computer, unified instruction, and can carry out synchronously automatically, make water,, gas, the wind interlock becomes a reality; Automation, sequencing have been realized; This controller technology is implemented easily, made, and need not increase switch, and is easy to operate simple, behind the connection power supply, only needs the operation tap just can finish various functions, and effective, cost is low, extremely suits to use on the gas heater of various sources of the gas, model; The application of computer technology has also improved the technical performance index of gas heater greatly, and safety coefficient increases, current, tolerance, air quantity all can obtain reasonable use, and current are unobstructed, flameholding, the water temperature temperature rise is normal, is the ideal device of gas fired water heater.

Description of drawings:

Fig. 1 is controller overall structure figure

Fig. 2 is shell structure figure

Fig. 3 is the controller circuitry block diagram

Fig. 4 is controller circuitry figure

Fig. 5 is igniter structure figure

Fig. 6 is a current sensing device structure chart

Fig. 7 is the B-B profile of Fig. 6

Fig. 8 is the water flow sensing unit structure chart

Fig. 9 is triple magnetic valve control device of air structure charts

Figure 10 is a forced-ventilated wind-powered electricity generation control structure drawing of device

Figure 11 is controller mutual alignment figure

Below in conjunction with accompanying drawing the utility model is done further narration.

Fig. 1,2 described, housing is made of the thick steel plate of 1.5-2MM, and is rectangular, the front back panel side of being provided with window 12, the bottom is provided with installing hole 13,14, and installing hole 8 is arranged at the top, and there is square hole 10,11 in the left side, and left and right sides has wire outlet 17, and getting a foothold has installing hole 9; Side's window 12, installing hole 8 fixing point firearms 4, installing hole 13 stationary transformers 5, installing hole 14 fixing circuit boards 2, coupling 6,7 connects with each device by wire outlet 17.

Fig. 3 is the work block diagram of one-chip computer CPU, and the left side is power conversion and information input terminal, and the right side is an information output, promptly sends instruction and control end.Can adopt PIC16C54 type one-chip computer.

Fig. 4 is the assembly circuit of gas water heater controller, and is made up of one-chip computer CPU and 15 parallel circuits; Dc source+24V ,+12V ,+5V is the output driving power of controller use and the power supply of job information transmission power supply and each control module use.

Shown in Figure 5, igniter 4 belongs to high-voltage ignition device, behind automatically controlled plate 2 input direct current+5V power supplys, by the automatically controlled plate 21 of terminal 27 interface firearms, and behind circuit conversion booster tension, by lead 26 be transferred to high voltage package 22, high voltage package 22 is carried out electrion, is linked by the burner on lead 23,24 and gas heater igniting terminal, can discharge the spark ignition combustion gas once ventilation.

Shown in Fig. 6,7,8, the current sensing device, water channel 36 in the housing 28, the water inlet of UNICOM's water valve, water channel 35 UNICOM's delivery ports, when water when water channel 36 enters housing, promptly wash open and hang piece 33, to hang piece axle 40 is benchmark, promptly the magnetic patch 34 that hangs piece 33 and top thereof is pushed to link plate 38, contact with sensor housing 43, the magnetic field of magnetic patch 34 enters the working range of sensor housing 43; Water flow sensing unit is the double dry-reed pipe structure, and the tongue tube 41 in the water flow sensing unit both can have been accepted the information of current, can be transferred to this information the IC2 and the computer 3 of circuit board 2 again, sends the function corresponding instruction by computer 3, and air valve, blower fan are opened; Tongue tube 42 is the triggering gauge tap of power control circuit IC15; When current stop, hanging piece 33, magnetic patch 34 sets back, and just in time covers water channel 36, the information of water flow sensing unit can be interrupted, and air valve, blower fan shut down.

Shown in Figure 9, triple magnetic valves regulation and control device of air are made up of magnetic valve 65,66,67 and control valve 79, control valve 77; After magnetic valve 65,66 is connected power supply, promptly opened its inner air flue, make combustion gas enter control valve 79; Adjusting rod 80 is arranged on the control valve 79, cam 69, reed 70, microswitch 68, when adjusting rod 80 Unscrews, driven inner regulating spool, combustion gas enters, and drives cam 69 simultaneously and rotates, and stirs reed 70, microswitch 68 is opened, be transferred to computer 3 on the circuit board 2 by lead 71, computer 3 sends instruction then, by coupling 73, lead 72 is connected magnetic valve 67, control valve 77 is opened, combustion gas is passed through, and enters burner combustion, sends instruction simultaneously, the blower fan running is through triple magnetic valve control gas, regulating the qi flowing in the channels, switch, it is Guaranteed automatically safely and effectively that combustion gas is in fully.More reasonable with gas, firepower is more stable, and safety coefficient obviously increases.

Shown in Figure 10, the blast of blower fan detects, electric motor starting has adopted pressure reduction film control technology, be in pressure differential disc 48, to be provided with pressure reduction film 49, pressure differential disc 48 is divided into two atmospheric pressure cavities, it is positive pressure air chamber 52, negative pressure air chamber 53 connects pressure reduction film 49 and microswitch 56 by pressure reduction axle 55, when positive pressure air chamber 52, when the air pressure in negative pressure air chamber 53 equates, that is: malleation=negative pressure, when keeping balance, microswitch 56 is inoperative, when 60 obstructions of the air channel of blower fan 75 or downdraught, negative pressure disappears, pressure reduction film 49 pulling pressure reduction axles 55 make microswitch 56 disconnect blower fan 75, motor 63 is inoperative; Unimpeded when blower fan 75 smoke evacuations, after negative pressure forms, that is: malleation＞negative pressure spurs pressure reduction film 49, pressure reduction axle 55, and microswitch 56 is connected, blower fan 75, motor 63 startings; Positive pressure air chamber 52 is because of by malleation mouth 50 UNICOM's natural airs, only otherwise blow, calm fluctuation, malleation is stably, its blast changes mostly from negative pressure; Because blast sampling pipe 58 probes in the air channel 64 by wind-pressure tube 59, the air quantity information meeting instantaneous transmission of its blower fan 75 is given pressure differential disc 48 and is reacted on the microswitch 56, terminal 57 on the microswitch 56 links with circuit board 2 and computer 3, and sends the instruction that motor changes or do not change by computer 3; The revolution of motor adopts 2800 rev/mins, and it is 80PA that the instructions for use of blast limits pressure.

Shown in Figure 11; the controller of gas heater is contained on the centre position, right side, connects with external power supply 81, forced-ventilated wind apparatus 82, blast switch 83, igniter 84, burner 87, current sensing device 85, triple magnetic valve control device of air 78, overtemperature protection system 86 by lead and coupling.

Using method of the present utility model is such:

After the 220V external power supply is connected; when water enters gas heater; the tongue tube 42 of the external water flow sensing unit of controller; hanging piece 33; the magnetic field effect of magnetic patch 34 down; after the connection; the energising of triggering electronic AC switch; at first undertaken becoming dc source+24V behind the filter rectification by power converting circuit IC1; + 12V; the current sensing circuit IC2 of+5V power circuit board 2 and computer 3 use; one the tunnel directly inserts motor M 1; after opening the water source; flow information of water is transferred to circuit board 2 with the current sensing device and computer 3 carries out information processing; flame detection circuit IC3; blast fast detecting IC circuit 4; pierce circuit IC5; electrify restoration circuit IC6; DC power-supply circuit IC7; overheating protection circuit IC8; air valve status circuit IC9; timer circuit IC10; start simultaneously and work; absorb various information and give computer 3; then by computer 3 to driving circuit for electromagnetic valve IC11; condition indication circuit IC12; pulsed electron firing circuit IC13; blower motor control circuit IC14; power control circuit IC15 sends enabled instruction and starts working, and at this moment current flow into; gas supply; flame ignition; blower fan rotates; thereby finished water automatically;; gas; the overall process of wind interlock.

Claims (6)

1, a kind of gas water heater controller with water, electricity and gas wind interlock function, primary structure is by housing, power transformer, the pulsed electron igniter, the electrical control circuit plate, one-chip computer, the condition indicative signal lamp, the current sensing device, triple magnetic valve control device of air, forced-ventilated wind-powered electricity generation control device, coupling, cable conductor is formed, the positive right side of face that it is characterized by housing (1) is equipped with electrical control circuit plate (2), in the centre position of electrical control circuit plate (2) one-chip computer (3) is housed, left upper portion at housing (1) is equipped with pulsed electron igniter (4), power transformer (5) is equipped with in the bottom, and coupling (6) is equipped with in the left side of housing (1), coupling (7) is equipped with on the right side; Coupling (6) comprises current sensing coupling, power supply input coupling, flame probe coupling, air valve state microswitch coupling, indicator lamp coupling, magnetic valve coupling; Coupling (7) comprises blast mensuration coupling, blower fan coupling, overtemperature protection coupling; Power transformer (5), pulsed electron igniter (4), electrical control circuit plate (2), one-chip computer (3), coupling (6), (7) are by cable conductor and triple magnetic valve control device of air, and forced-ventilated wind-powered electricity generation control device, current sensing device connect.

2, gas heater with water, electricity and gas wind interlock function according to claim 1, it is characterized in that described electrical control circuit plate (2) mainly is made up of 15 parallel circuits, i.e. power converting circuit IC1, current sensing control circuit IC2, flame detection circuit IC3, blast fast detecting IC circuit 4, pierce circuit IC5, electrify restoration circuit IC6, DC power-supply circuit IC7, overheating protection circuit IC8, air valve status circuit IC9, timer input circuit IC10, driving circuit for electromagnetic valve IC11, condition indication circuit IC12, pulsed electron firing circuit IC13, draught fan control circuit IC14, power control circuit IC15;

After power converting circuit IC1:220V AC power entered the elementary winding of transformer T1 through coupling X5.1,5.2, the secondary windings I of transformer T1 entered rectifier bridge E1 through coupling X6.1,6.2, became dc source+24V through capacitor C 12, C13 filtering; The secondary windings II becomes dc source+12V through rectifier bridge E2, capacitor C 14, C15 filtering; The secondary windings III becomes dc source+5V after rectifier bridge E3, capacitor C 16, C17, C18, C19 filtering, voltage-stablizer N1 voltage stabilizing; The secondary windings IV is not done conversion through coupling X7.1,7.2, by AC power end and pulsed electron igniter (40 the ac power input end of m, n termination flame detection circuit IC3;

Current sensing control circuit IC2: the one tunnel through dry-reed tube switch K1, coupling 3.1,3.2, and the pull-up resistor R12 of warp+5V power supply moves back the streamflow regime input RA3 that 6 filtering of lotus root capacitor C enter computer (3); A, the b end of one tunnel a, b termination power control circuit IC15 through dry-reed tube switch K2; Another group meets power supply phase line L through coupling 4.1,4.2, inserts the end points S point of piezo-resistance R34 and IC15 through protective tube F1; Zero line N is termination coupling 5.1,5.2 left, and the other end connects motor M 1 through piezo-resistance R34 to the right, and earth connection is PE;

Flame detection circuit IC3:m, n end links with m, the n end of the secondary windings of IC1, and the n end needs to introduce by isolation capacitance C5, divider resistance R9, and the m end needs to link by the earth terminal PE that exchanges output resistance R11 and IC2; Flame probe A2 connects with resistance R 9, R8, R7, R6, R4, R3, capacitor C 4, C3 through coupling X2.1,2.2, by resistance R 10 and forms the filtering net, enters that FET V1 handles detects inlet RAO after capacitor C 2 enters the flame of computer (3);

Blast fast detecting IC circuit 4: blast status switch S1 is through coupling X1.1,1.2, moves back the blast state input RA1 that lotus root capacitor C 1, pull-up resistor R1 enter computer (3);

Oscillator IC circuit 5:+5 dc source through resonant resistance R13, move back the oscillator input OSC that lotus root capacitor C 2 enters computer (3);

Electrify restoration circuit IC6: by+introducing of 5V dc source, V2 resets through fly-wheel diode, and R14 is in parallel with timing resistor, through capacitor C 8, resistance R 15 filtering, enters the RESET input MCLB of computer (3), another road ground connection;

DC power-supply circuit IC7:+5V dc source one pass is gone into the power end vdd terminal of computer (3), and power end VSS end is introduced through moving back lotus root capacitor C 9 in another road;

Overheating protection circuit IC8; By switch S 2 one tunnel through coupling X8.1 ground connection, the one tunnel through coupling X8.2 ,+the pull-up resistor R16 of 5V, move back the overtemperature protection end RA2 that lotus root capacitor C 10 connects computer (3), another road ground connection;

Air valve status circuit IC9: the pull-up resistor R17 of switch S 3 warp+5V, move back the air valve state switch terminal RBO that lotus root capacitor C 11 enters computer (3), another road ground connection;

Timer input circuit IC10: enter the timer input RTCC of computer (3) through pull-up resistor R2 by+5V dc source;

Solenoid-driven output circuit IC11: by the power supply switch terminal RB3 output signal of computer (3), after resistance R 20, pull down resistor R21, triode V4 are amplified, through resistance R 19, enter triode V3; Another road connects+the 24V dc source through resistance R 18, and triode V3 connects+the 12V power supply through isolating diode V7, enters electromagnetic valve switch Y1 through coupling X10.1,10.2; Electromagnetic valve switch Y1, Y2, Y3 and diode V8, V9, V10 link; After the solenoid control end RB2 output, through resistance R 22, pull down resistor R23 ground connection, another road enters triode V5, and connects electromagnetic valve switch Y1, Y2, diode V8, V9 by end points W; After the switching solenoid valve output RB1 output of computer (3), through resistance R 24, pull down resistor R25 ground connection, another road meets triode V6, connects diode V10, enters electromagnetic valve switch Y3 through coupling X11.1,11.2;

State indication output circuit IC12: after the state indication end RB4 output by computer (3), the one tunnel through capacitor C 20 ground connection, and one the tunnel links through resistance R 26, luminous tube H1 and+5V dc source;

Pulsed electron firing circuit IC13: after the IGNITION CONTROL end RB5 output by computer (3), enter photoelectrical coupler B2 through resistance R 27, and connection+5V power supply, through coupling X12.1,12.2 inlet point firearm E4, the power end of m, n termination pulsed electron igniter (4);

Blower motor control circuit IC14: after the blower fan control end RB6 output by computer (3), enter triode V11 and UNICOM+5V power supply through resistance R 28, enter photoelectrical coupler B3 through resistance R 30, one the tunnel is in parallel with diode V14 through capacitor C 21, through coupling X13.1,13.2 and the phase line client link of motor M 1, another road of photoelectrical coupler B3 links through resistance R 33 and P point and bidirectional triode thyristor V16;

Power control circuit IC15: after the power control terminal RB7 output by computer (3), enter triode V12 through resistance R 29, and connection+5V power supply, connect photoelectrical coupler B4 then, through resistance R 31 ground connection, one routing capacitance C22, diode V13 meet bidirectional triode thyristor V15, link with end points D, P, another road of photoelectrical coupler B4 links through resistance R 32, end points S and piezo-resistance R34, resistance R 34 phase-connecting wire L, zero line N, a, the b that is drawn by photoelectrical coupler B4 end links with a, the b end of IC2.

3, according to claims 1 described gas water heater controller with water, electricity and gas wind interlock function, it is characterized in that described pulsed electron igniter (4), installing plate (19) and screw hole (20) are arranged in the centre of housing (18), there is high-voltage line (23) in the left side, (24), high voltage package (22), high voltage package (22) is by HV Terminal (25) and high-voltage line (23), (24) link, the right side is equipped with ignitor circuit plate (21) and is linked by lead (26) and high voltage package (22), ignitor circuit plate (21) links with power input (27), and power input (27) connects with the pulsed electron ignitor circuit IC13 of controller circuit board (2).

4, according to claims 1 described gas heater with water, electricity and gas wind interlock function, it is characterized in that described current sensing device, be to be fixed with backplate (46), pressing plate (29) with screw (30) in the front of housing (28), there is valve body plate (45) top and bottom, the centre is equipped with sensor housing (43) and is connected with coupling (31) by lead (32), and coupling (31) connects with the current control circuit IC2 of controller circuit board (2); Water channel (35) is arranged in the housing (28), hang piece (33) in the water channel (35), hanging has magnetic patch (34) on the piece (33), hangs piece (33) and is contained in and hangs on the piece axle (40), and the right side of housing (28) is equipped with insulation link plate (38) and is pushed down sealing ring (37) and water channel (35); Having dividing plate (44), both sides that tongue tube (41), (42) and lead (32), coupling (31) are housed in the middle of the sensor housing (43) links.

5, according to claims 1 described gas heater with water, electricity and gas wind interlock function, it is characterized in that described triple magnetic valve control device of air, be magnetic valve (65), (66) to be housed, connect circuit board (2) by terminal (39), (47) in air valve body (76) left side; Be equipped with the centre adjusting rod (80), cam (69), reed (70), microswitch (68) on control valve (79), the control valve (79), by the computer (3) on lead (71) the connection circuit board (2); Control valve (77) and magnetic valve (67) are housed above, connect by the computer (3) on lead (72), hookup (73) and the circuit board (2); Air flue is arranged in magnetic valve (65), (66) and link with air flue in the control valve (79), control valve (77), magnetic valve (67).

6, according to claims 1 described gas water heater controller with water, electricity and gas wind interlock function, it is characterized in that described forced-ventilated wind-powered electricity generation control device, be that pressure differential disc (48) and fixing with support (54) is housed in the Forced discharge fan lower left, microswitch (56), conductor terminal (57) circuit passband plate in parallel (2) are housed on the support (54); Pressure reduction film (49) is arranged in the pressure differential disc (48), pressure reduction axle (55), positive pressure air chamber (52), negative pressure air chamber (53), malleation mouth (50), negative pressure mouth (51), pressure reduction axle (55) links with pressure reduction film (49) and microswitch (56), malleation mouth (50) is an open UNICOM natural air, vented cavity (60) UNICOM of negative pressure mouth (51) and wind-pressure tube (59), wind-pressure tube (59) front end is sampling pipe (58), sampling pipe (58) is bending and gos deep in the bellows (74), in the bellows (74) is air channel (64), on blower fan (75) is arranged, motor (63), lead (62), coupling (61), coupling (61) connection circuit plate (2).

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