CN2881739Y - Intelligent controller for gas - Google Patents

Abstract

The utility model discloses an intelligent controller for gas, which comprises an outer shell, a bracket fixed on a gas valve on the outer shell and a power circuit inside the outer shell. On the gas valve is equipped a valve turning member, which is connected with a power driven component. The power driven component is connected with a motor-controlled circuit, which is connected with a main control chip circuit. The main control chip circuit is connected with a gas probe and signal comparison amplified circuit, a voice sound and light alarm circuit, a display and operation panel respectively; the gas probe and signal comparison amplified circuit is connected with the power circuit via a precise voltage-stabilizing circuit; the power circuit is connected with a three-end voltage stabilizer, which is connected with the gas probe and signal comparison amplified circuit, the main chip circuit, the voice sound and light alarm circuit and the display and operation panel respectively and provide them DC voltage they need. The utility model has a creative conception, an exquisite design and a compact structure with perfect functions and high sensitivity and is mainly for the household gas users.

Description

The combustion gas intelligent controller

Technical field:

The utility model relates to a kind of apparatus for automatic control, particularly a kind of to domestic gas detect, the intelligence instrument of monitoring, controlling alarm.

Background technology:

There is following problem mostly in the product that the producer of present domestic many production fuel gas alarms early releases in process on probation: 1, have deficiency on this gordian technique of switch valve.The switch valve that is used for this series products on the market now mainly is manual, electronic two kinds: the hand switch valve needs the user to operate in person, uncontrollable under the unmanned state, though the function that electric switching valve can be realized out automatically and close, but valve has lost power resources under power down mode, also just can't make valve realize the action of opening and closing.And now in the city power consumption increasing, the phenomenon that has a power failure does not appear in very difficult assurance; 2, man-machine can not the dialogue, can not carry out adjusted control to the gas alarm controller, also just can't realize regularly, regulate functions such as detected gas concentration; 3, function imperfection only has sound and light of alarm, and does not have voice suggestion.Can't send voice suggestion when gas sensor breaks down, cause also not sending warning under the situation of indoor fuel gas excessive concentration, be danger close when this happens; 4, mostly control and warning are split type.A kind of product " combustible gas alarm controller " is disclosed as the third phase in 2005 " fire prevention and product information ", this controller is when detecting gas leakage, can be by the switch drive closed electromagnetic valve source of the gas on the alarm, but this product is still and adopts split control, structure is compact inadequately, installs and uses inconvenience.

Summary of the invention:

The utility model is exactly that a kind of novel, ingenious, compact conformation of design, perfect in shape and function, highly sensitive combustion gas intelligent controller are provided at above deficiency.

Technical solution adopted in the utility model is:

A kind of combustion gas intelligent controller comprises shell, be the power circuit of other circuit supply in support of fixedlying connected with burnt gas valve on the shell and the shell, it is characterized in that: have burnt gas valve turn-button member on the burnt gas valve, burnt gas valve turn-button member is connected with power driving module, power driving module is connected with circuit for controlling motor, circuit for controlling motor is connected with the main control chip circuit, the main control chip circuit respectively with combustion gas detection and signal amplification circuit, the voice sound light alarming circuit, show and be connected with guidance panel, be used to receive detected combustion gas amplifying signal, and processing signals, control voice sound light alarming circuit and circuit for controlling motor work simultaneously, on demonstration and guidance panel, show simultaneously; The combustion gas probe compares amplifying circuit with signal and is connected with power circuit by accurate mu balanced circuit, obtain the stabilized voltage supply of accurate mu balanced circuit output, be used for the combustion gas probe is heated and carry out self check, signal amplification circuit carries out the detected signal of combustion gas detector to export to the master chip control circuit after the processing and amplifying; Also be connected with three terminal regulator on the power circuit, three terminal regulator is connected with guidance panel with demonstration with combustion gas probe and signal comparison amplifying circuit, main control chip circuit, voice sound light alarming circuit, is used to provide required separately galvanic current to press.

Described shell is made of housing and bonnet, and burnt gas valve and burnt gas valve turn-button member are fixedly connected on the bonnet by support, and main turn-button of burnt gas valve turn-button member and rotating shaft constitute, and turn-button is connected in the rotating shaft by screw, and turn-button is a convexity cavity.

Described power driving module is fixed on the gearcase, mainly by pitch wheel assembly A, gear B, duplicate gear C, duplicate gear D, duplicate gear E, duplicate gear F and motor constitute, be fixed with driving wheel on the output shaft of motor, the input gear F1 of driving wheel and duplicate gear F is meshing, the output gear F2 of duplicate gear F and duplicate gear E input gear E1 are meshing, the input gear D 1 of duplicate gear E output gear E2 and duplicate gear D is meshing, the output gear D2 of duplicate gear D and duplicate gear C input gear C 1 are meshing, duplicate gear C output gear C2 and gear B are meshing, gear B and gear assembly A are meshing, gear assembly A mainly by with the incorporate gear A of shell, compression spring, the turn-button buckle constitutes, the turn-button buckle encapsulates compression spring in the enclosure by screw, and the turn-button buckle is stuck on the burnt gas valve turn-button.

The output shaft of described gear B is a hollow axis body, and output shaft is lived with rotary knob and is connected, and rotary knob is corresponding with the combination limit switch that is arranged on gearcase, with the keying of control combination limit switch.

Described circuit for controlling motor is mainly by relay R LY1, RLY2 and triode Q3, Q4, Q5, Q10 constitutes, relay R LY1 is connected with motor power MOTOR POWER, the control machine operation, relay R LY1 is connected with relay R LY2 by combination limit switch XW CONTROL, relay R LY1 coil is connected to the collector of triode Q5, the base stage of triode Q5 is connected with chip PIC16C57 the 19th pin of main control chip circuit, the emitter of triode Q10 is connected with the base stage of triode Q4, the collector of triode Q10 is connected to the negative pole of power supply POWER by commutation diode D7, the collector of the base stage of triode Q10 and triode Q3, the grounded emitter of triode Q3, the base stage of triode Q3 is connected with power switch SWITCH by divider resistance R8, triode Q4 grounded emitter, base stage is received chip PIC16C57 the 18th pin of main control chip circuit through resistance R 10, controlled by PIC16C57, triode Q4 collector connecting relay RLY2.

Described main control chip circuit mainly is made of chip PIC16C57, and 22 pin of chip PIC16C57,23 pin, 24 pin are connected with 3 pin, 4 pin, 5 pin of the speech chip PM5108 of voice sound light alarming circuit respectively; 17 pin of chip PIC16C57 are connected with the collector that signal compares triode Q1 in the amplifying circuit with the combustion gas probe; 21 pin of chip PIC16C57 are showing and the guidance panel demonstration by LED 1, LED2,20 pin of chip PIC16C57,7 pin, 8 pin, 9 pin connect by four triode Q6, Q8, Q7, the digital display tube LIN3344 of Q9 emitter, with the display setting time, 6 pin of chip PIC16C57 are as the common port of three button S1 (DOWN), S2 (UP), S3 (RESET), and 7 pin, 8 pin, 9 pin are connected with the other end of button S1 (DOWN), S2 (UP), S3 (RESET) by diode D2, D3, D4.

Described voice sound light alarming circuit is mainly by LED 1, LED2, speech chip PM5108, power amplifier LM386, pronunciation component SP constitutes, diode (LED) 1, the negative pole of LED2 is connected to 21 pin of chip PIC16C57, diode (LED) 1, the positive pole of LED2 is through resistance R 19, R18 receives triode Q9, the collector of Q7,6 pin of speech chip PM5108 connect high level by oscillation resistance R22,7 pin of speech chip PM5108 are input to power amplifier LM386 input end the 3rd pin in the same way, power amplifier LM386 is input end process resistance R 27 ground connection in the same way, power amplifier LM386 output terminal the 5th pin is through adjustable resistance VR2 stiff end, polar capacitor C12 is connected with the end of pronunciation component SP, regulate the adjustable end of resistance VR2 and can adjust the other end ground connection of pronunciation component SP the enlargement factor of signal.

Described demonstration and guidance panel are arranged on the front of housing, the upper end of demonstration and guidance panel has LED 1, LED2 display aperture and display screen, the below of display screen has three operation push-button S1 (DOWN), S2 (UP), S3 (RESET), the lower end of demonstration and guidance panel has the adjustment hole of regulating combustion gas detection sensitivity, sound size and manually-operated gate switch, demonstration and guidance panel also are provided with the sound hole of power switch and corresponding pronunciation component SP, and lower part of frame also is provided with the swivelling cover that can cover demonstration and guidance panel lower end.

Described combustion gas probe and signal comparison amplifying circuit mainly are made of combustion gas probe HEAD, integrated operational amplifier LM358, triode Q1, combustion gas probe HEAD adds the thermoae power supply that connects, output signal end (the 2nd pin) connects integrated operational amplifier LM358 the 3rd pin through capacitor C 2 filtering, the 2nd pin of integrated operational amplifier LM358 connects the adjustable end of adjustable resistance VR1 through resistance R 5, the end that adjustable resistance VR1 is fixing connects power supply through R6, and the other end is through R7 ground connection.Integrated operational amplifier LM358 output terminal output one-level amplifying signal enters input end the 5th pin in the same way, reverse input end the 6th pin links to each other with output terminal the 7th pin and forms the amplification of signal secondary, be connected through the base stage of resistance R 2 with triode Q1, triode Q1 grounded emitter, triode Q1 collector is connected with the 17th pin of chip PIC16C57.

Described accurate mu balanced circuit mainly is made of voltage stabilizing chip 34063, inductance L 1, diode D5, voltage stabilizing chip 34063 output terminals the 2nd pin also is connected with the diode D5 of reversal connection over the ground through inductance L 1 serial connection between voltage stabilizing chip 34063 output terminals the 2nd pin and the inductance L 1.

The beneficial effect that the utility model can reach is:

1, the utility model adopt to be reported to the police and A.C.D. " integrated " design, when combustion gas is revealed or during the generation carbon monoxide, when sending sound and light alarm, sends signal drive motor and closes fuel gas ball valve, avoids the further leakage of combustion gas.

2, the utility model can be set required time by showing with guidance panel, and behind the time up, system carries out voice suggestion, and burnt gas valve is closed automatically; Also adjustable fuel gas detection sensitivity, alarm sound size; And can be by private key control burnt gas valve switch under power down mode.

3, the utility model adopts the active compensation technology to eliminate the non-linear error of acquisition sensor, has improved warning sensitivity.

4, the utility model is when burst has a power failure, and intelligent controller will lose the detection control ability.But can send sound and light alarm and close source of the gas automatically, in case meet accident by the outage automatic closing function of hardware design.

5, the utility model is novel, design is ingenious, compact conformation, perfect in shape and function, can realize Based Intelligent Control, prevents wrong report, fails to report, and the oneself detects, and is stable and reliable for performance.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model demonstration and guidance panel.

Fig. 3 is the utility model burnt gas valve turn-button element structure synoptic diagram.

Fig. 4 is the utility model power driving module structural representation.

Fig. 5 is the logic block-diagram of the utility model circuit.

Fig. 6 is the circuit theory diagrams of the utility model circuit for controlling motor.

Fig. 7 is the circuit theory diagrams of the utility model main control chip circuit.

Fig. 8 is the circuit theory diagrams of the utility model voice sound light alarming circuit.

Fig. 9 is the circuit theory diagrams that the utility model combustion gas probe and signal compare amplifying circuit.

Figure 10 is the circuit theory diagrams of the accurate mu balanced circuit of the utility model.

Figure 11 is the schematic diagram of the utility model three terminal regulator.

Embodiment:

The utility model will be further described below in conjunction with accompanying drawing:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, shown in Figure 11: this combustion gas intelligent controller comprises shell 1, be the power circuit of other circuit supply in support 2 of fixedlying connected with burnt gas valve 3 on the shell 1 and the shell 1, has burnt gas valve turn-button member 4 on the burnt gas valve 3, burnt gas valve turn-button member 4 is connected with power driving module, power driving module is connected with circuit for controlling motor II, circuit for controlling motor II is connected with main control chip circuit IV, main control chip circuit IV compares amplifying circuit III with combustion gas probe and signal respectively, voice sound light alarming circuit VII, show and be connected with guidance panel 8, be used to receive detected combustion gas amplifying signal, and processing signals, control voice sound light alarming circuit VII and circuit for controlling motor II work simultaneously, 8 demonstrations on demonstration and guidance panel simultaneously; The combustion gas probe compares amplifying circuit III with signal and is connected with power circuit I by accurate mu balanced circuit V, obtain the stabilized voltage supply of accurate mu balanced circuit V output, be used for combustion gas probe is heated and carry out self check, signal amplification circuit carries out the combustion gas detected signal of popping one's head in to export to master chip control circuit IV after the processing and amplifying; Also be connected with three terminal regulator VI on the power circuit I, three terminal regulator VI compares amplifying circuit III with the combustion gas probe with signal, master chip control circuit IV, voice sound light alarming circuit VII are connected with guidance panel 8 with demonstration, is used to provide required separately galvanic current to press.Shell 1 is made of housing 1-1 and bonnet 1-2, burnt gas valve 1 and burnt gas valve turn-button member 4 are fixedly connected on the bonnet 9 by support 2, burnt gas valve turn-button member 4 main turn-button 4-1 and rotating shaft 4-2 constitute, turn-button 4-2 is connected on the rotating shaft 4-2 by screw 4-3, and turn-button 4-1 is a convexity cavity.Power driving module is fixed on the gearcase 9, mainly by pitch wheel assembly A, gear B, duplicate gear C, duplicate gear D, duplicate gear E, duplicate gear F and motor 5 constitute, be fixed with driving wheel 11 on the output shaft of motor 5, driving wheel 11 is meshing with the input gear F1 of duplicate gear F, the output gear F2 of duplicate gear F and duplicate gear E input gear E1 are meshing, the input gear D 1 of duplicate gear E output gear E2 and duplicate gear D is meshing, the output gear D2 of duplicate gear D and duplicate gear C input gear C 1 are meshing, duplicate gear C output gear C2 and gear B are meshing, gear B and gear assembly A are meshing, gear assembly A mainly by with housing incorporate gear A-1, compression spring A-4, turn-button buckle A-2 constitutes, turn-button buckle A-2 is encapsulated in compression spring A-4 in the housing by screw A-3, and turn-button buckle A-2 is stuck on the turn-button 4-1 of burnt gas valve assembly 4.The output shaft 10 of gear B is a hollow axis body, output shaft 10 is lived with rotary knob 12 and is connected, rotary knob 12 is corresponding with the combination limit switch XW CONTROL that is arranged on gearcase 9, keying with control combination limit switch XW CONTROL, under the power down mode, can insert the output shaft 10 of gear B with subsidiary key 7, force to drive power driving module work, burnt gas valve 3 is controlled.

Circuit for controlling motor II is mainly by relay R LY1, RLY2 and triode Q3, Q4, Q5, Q10 constitutes, relay R LY1 is connected with motor power MOTOR POWER, 5 work of control motor, relay R LY1 is connected with relay R LY2 by combination limit switch XW CONTROL, relay R LY1 coil is connected to the collector of triode Q5, the base stage of triode Q5 is connected with chip PIC16C57 the 19th pin of main control chip circuit, the emitter of triode Q10 is connected with the base stage of triode Q4, the collector of triode Q10 is connected to the negative pole of power supply POWER by commutation diode D7, the collector of the base stage of triode Q10 and triode Q3, the grounded emitter of triode Q3, the base stage of triode Q3 is connected with power switch SWITCH by divider resistance R8, triode Q4 grounded emitter, base stage is received chip PIC16C57 the 18th pin of main control chip circuit through resistance R 10, controlled by PIC16C57, triode Q4 collector connecting relay RLY2.During work, the 9V power supply electrifying, behind diode D1, C1 is charged, resistance R 8, R9 carry out dividing potential drop to 9V voltage, make the conducting of triode Q3 base stage, the voltage of diode D1 enters the collector of triode Q3 through resistance R 4, and at this moment the voltage that is higher than 6V arranged on the base stage of triode Q10, and the collector of triode Q10 is to insert 6V voltage through resistance R 3, and triode Q10 ends.If regularly use combustion gas, then can be provided with by the time of carrying out of S1 (DOWN), S2 (UP), S3 (RESET) button on demonstration and the guidance panel 8, the I/O mouth output signal of chip PIC16C57 pilot relay, make the actuating of relay, motor 5 rotates opens burnt gas valves 3, when timing then, output acousto-optic and audio alert, the actuating of relay simultaneously, motor 5 rotates turns off burnt gas valve 3, cuts off source of the gas.And when power supply 1 have a power failure suddenly or+when 9V power supply 1 switch is turned off, capacitor C 1 is through the collector of resistance R 4 and triode Q3 and the loop discharge that emitter forms over the ground, capacitor C 1 voltage slowly descends, make triode Q10 base voltage in a period of time less than 6V but greater than the Q10 emitter voltage, thereby make triode Q10 conducting, the base stage of triode Q5 is a high level, the action of triode Q5 conducting this moment pilot relay, motor 5 rotates, and burnt gas valve 3 is closed, and separates source of the gas.

Main control chip circuit IV mainly is made of chip PIC16C57, and 22 pin of chip PIC16C57,23 pin, 24 pin are connected with 3 pin, 4 pin, 5 pin of the speech chip PM5108 of voice sound light alarming circuit VII respectively; 17 pin of chip PIC16C57 are connected with the collector that signal compares triode Q1 among the amplifying circuit III with the combustion gas probe; 21 pin of chip PIC16C57 are showing and guidance panel 8 demonstrations by LED 1, LED2,20 pin of chip PIC16C57,7 pin, 8 pin, 9 pin connect by four triode Q6, Q8, Q7, the digital display tube LIN3344 of Q9 emitter, with the display setting time, 6 pin of chip PIC16C57 are as the common port of three button S1 (DOWN), S2 (UP), S3 (RESET), and 7 pin, 8 pin, 9 pin are connected with the other end of button S1 (DOWN), S2 (UP), S3 (RESET) by diode D2, D3, D4.

Voice sound light alarming circuit VII is mainly by LED 1, LED2, speech chip PM5108, power amplifier LM386, pronunciation component SP constitutes, LED 1, the negative pole of LED2 is connected to 21 pin of chip PIC16C57, diode (LED) 1, the positive pole of LED2 is through resistance R 19, R18 receives triode Q9, the collector of Q7,6 pin of speech chip PM5108 are by oscillation resistance R22 ground connection, 7 pin of speech chip PM5108 are input to power amplifier LM386 input end the 3rd pin in the same way, power amplifier LM386 is input end process resistance R 27 ground connection in the same way, power amplifier LM386 output terminal the 5th pin is through adjustable resistance VR2 stiff end, polar capacitor C12 is connected with the end of pronunciation component SP, regulate the adjustable end of resistance VR2 and can adjust the other end ground connection of pronunciation component SP the enlargement factor of signal.During work, + 5V (VCC) voltage is powered to speech chip, K1, K2, K3 is respectively the segmentation control end of speech chip PM5108, by chip PIC16C57 to its control of encoding, receive respectively and indicate K1 among the PIC16C57, K2, three I/O mouths of K3, SP1, SP2 are speech output end, the SP1 output signal is input to power amplifier LM386 input end the 3rd pin in the same way, regulate resistance VR2 and can carry out the adjustment of the enlargement factor of signal, what output to that voice element SP can be reacted to the people intuitively acoustically (promptly can regulate the size of sound).Power amplifier LM386 the 5th pin output is through capacitor C 5 ground connection of connecting with resistance R 21, to the filtering of output voice signal, power amplifier LM386 the 5th pin is connected to polar capacitor C12 positive pole again, and capacitor C 12 negative poles output to the end of voice element SP, voice element SP other end ground connection.Power amplifier and the power input of LM386 connects the collector of triode Q2, connect a capacitor C 10 simultaneously and carry out filtering, triode Q2 emitter connects power supply, the base stage of triode Q2 is received 25 pin of the I/O mouth of chip PIC16C57 through resistance R 20, controlled by chip PIC16C57, can play the effect of power saving, this part voice amplifying circuit is not worked when being holding state, the 25th pin of chip PIC16C57 output high level outputs to the base stage of triode Q2 through resistance R 20 when needs are reported to the police, make triode Q2 conducting, triode Q2 collector output high level is powered to LM386, makes its work; Gas concentration is higher than setting value or timing arrives when detecting, and system sends acousto-optic and audio alert, and burnt gas valve 3 is closed automatically.

Demonstration and guidance panel 8 are arranged on the front of shell 1, the upper end of demonstration and guidance panel 8 has LED 1, LED2 display aperture 8-2 and display screen 8-1, the below of display screen 8-1 has three operation push-button S1 (DOWN), S2 (UP), S3 (RESET), the lower end of demonstration and guidance panel 8 has the combustion gas of adjusting detection sensitivity adjustment hole 8-7, the adjustment hole 8-6 of loud ditty knothole 8-3 and manually-operated gate switch, demonstration and guidance panel 8 also are provided with the sound hole 8-5 of power switch 8-4 and corresponding pronunciation component SP, and the bottom of shell 1 also is provided with the swivelling cover 6 that can cover demonstration and guidance panel 8 lower ends.

Combustion gas probe and signal comparison amplifying circuit III mainly are made of combustion gas probe HEAD, integrated operational amplifier LM358, triode Q1, combustion gas probe HEAD adds the thermoae accurate mu balanced circuit V that connects, output signal end (the 2nd pin) connects integrated operational amplifier LM358 the 3rd pin through capacitor C 2 filtering, the 2nd pin of integrated operational amplifier LM358 connects the adjustable end of adjustable resistance VR1 through resistance R 5, the end that adjustable resistance VR1 is fixing connects power supply through R6, and the other end is through R7 ground connection.Integrated operational amplifier LM358 output terminal output one-level amplifying signal enters input end the 5th pin in the same way, reverse input end the 6th pin links to each other with output terminal the 7th pin and forms the amplification of signal secondary, be connected through the base stage of resistance R 2 with triode Q1, triode Q1 grounded emitter, triode Q1 collector is connected with the 17th pin of chip PIC16C57.Regulate the adjustable end of adjustable resistance VR1, can regulate the sensitivity of gas detectors.

Accurate mu balanced circuit V mainly is made of voltage stabilizing chip 34063, inductance L 1, diode D5, and voltage stabilizing chip 34063 output terminals the 2nd pin also is connected with the diode D5 of reversal connection over the ground through inductance L 1 serial connection between voltage stabilizing chip 34063 output terminals the 2nd pin and the inductance L 1.When+9V voltage enters voltage stabilizing chip 34063 input ends the 5th pin after capacitor C 7 filtering, 1 pin of 34063 chips, 7 pin and 8 pin short circuits, be connected in series with the 6th pin through resistance R 25 again, the 5th pin is through resistance R 24 ground connection, be connected in series with inductance L 1 with 34063 chip outputs the 2nd pin through resistance R 23 again, inductance L 1 with resistance R 23 intersections is+5V voltage output point.Inductance can play the effect of stablizing waveform, and here this waveform is a straight line, and peak value is+5V, and a reversal connection diode D5 over the ground will be arranged between voltage stabilizing chip 34063 output terminals and inductance L 1, and circuit is shielded.The resistance of R23 and two resistance of R24 coupling in this circuit, the voltage of protecting positive voltage stabilizing chip 34063 chips the 5th pin is reference voltage 1.25V, this circuit can be exported stable+5V power supply, to guarantee the relatively normal and stable operation of amplifying circuit III of combustion gas probe and signal, three terminal regulator VI is 7805 chips, provides galvanic current to press.

This combustion gas intelligent controller course of work is: when when gas concentration is higher than setting value, combustion gas probe HEAD output signal is amplified through integrated operational amplifier LM358, integrated operational amplifier LM358 exports the base stage of the 7th pin through resistance R 2 to triode Q1, make triode Q1 conducting, the collector output signal of triode Q1 is to the 17th pin of chip PIC16C57, carry out signal Processing, chip PIC16C57 outputs to voice sound light alarming circuit VII with the signal of handling well by the 25th pin, sounding light and audio alert, chip PIC16C57 the 18th pin and the 19th pin output motor control signal are to circuit for controlling motor II simultaneously, the actuating of relay, motor 5 rotates, burnt gas valve 3 is closed, in case meet accident.Can regularly use this combustion gas intelligent controller by three button S1 (DOWN), S2 (UP), S3 (RESET) and digital display screen 8-1, set a timing length earlier, it during use counting mode demonstration with countdown, timing arrives when digital display screen 8-1 is shown as 0, send acousto-optic and voice suggestion, motor 5 rotates simultaneously, closes burnt gas valve 3.If in use unexpected the power failure by the outage automatic closing function of hardware design, can send sound and light alarm and automatic self-closing gas valve 3, in case meet accident, when having a power failure, during state, can come switch burnt gas valve 3 with subsidiary key 7.

Claims (10)

1, a kind of combustion gas intelligent controller comprises shell, be the power circuit of other circuit supply in support of fixedlying connected with burnt gas valve on the shell and the shell, it is characterized in that: have burnt gas valve turn-button member (4) on the burnt gas valve (3), burnt gas valve turn-button member (4) is connected with power driving module, power driving module is connected with circuit for controlling motor (II), circuit for controlling motor (II) is connected with main control chip circuit (IV), main control chip circuit (IV) compares amplifying circuit (III) with combustion gas probe and signal respectively, voice sound light alarming circuit (VII), show and be connected with guidance panel (8), be used to receive detected combustion gas amplifying signal, and processing signals, control the work of voice sound light alarming circuit (VII) and circuit for controlling motor (II) simultaneously, showing and upward demonstration of guidance panel (8) simultaneously; The combustion gas probe compares amplifying circuit (III) with signal and is connected with power circuit (I) by accurate mu balanced circuit (V), obtain the stabilized voltage supply of accurate mu balanced circuit (V) output, be used for combustion gas probe is heated and carry out self check, combustion gas probe and signal comparison amplifying circuit (III) carry out the combustion gas detected signal of popping one's head in to export to master chip control circuit (IV) after the processing and amplifying; Also be connected with three terminal regulator (VI) on the power circuit (I), three terminal regulator (VI) is connected with guidance panel (8) with demonstration with combustion gas probe and signal comparison amplifying circuit (III), main control chip circuit (IV), voice sound light alarming circuit (VII), is used to provide required separately galvanic current to press.

2, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: shell (1) is made of housing (1-1) and bonnet (1-2), burnt gas valve (3) and burnt gas valve turn-button member (4) are fixedly connected on the bonnet (1-2) by support (2), main turn-button (4-1) of burnt gas valve turn-button member (4) and rotating shaft (4-2) constitute, turn-button (4-1) is connected in the rotating shaft (4-2) by screw (4-3), and turn-button (4-1) is a convexity cavity.

3, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: power driving module is fixed on the gearcase (9), mainly by pitch wheel assembly (A), gear (B), duplicate gear (C), duplicate gear (D), duplicate gear (E), duplicate gear (F) and motor (5) constitute, be fixed with driving wheel (11) on the output shaft of motor (5), driving wheel (11) is meshing with the input gear (F1) of duplicate gear (F), the output gear (F2) of duplicate gear (F) is meshing with duplicate gear (E) input gear (E1), duplicate gear (E) output gear (E2) is meshing with the input gear (D1) of duplicate gear (D), the output gear (D2) of duplicate gear (D) is meshing with duplicate gear (C) input gear (C1), duplicate gear (C) output gear (C2) is meshing with gear (B), gear (B) is meshing with gear assembly (A), gear assembly (A) mainly by with the incorporate gear of housing (A-1), compression spring (A-4), turn-button buckle (A-2) constitutes, turn-button buckle (A-2) is encapsulated in compression spring (A-4) in the housing by screw (A-3), and turn-button buckle (A-2) is stuck on the turn-button (4-1) of burnt gas valve assembly (4).

4, combustion gas intelligent controller as claimed in claim 3, it is characterized in that: the output shaft (10) of gear (B) is a hollow axis body, output shaft (10) is lived with rotary knob (12) and is connected, rotary knob (12) is corresponding with the combination limit switch that is arranged on gearcase (9) (XW CONTROL), with the keying of control combination limit switch (XW CONTROL).

5, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: circuit for controlling motor (II) is mainly by relay (RLY1), (RLY2) and triode (Q3), (Q4), (Q5), (Q10) constitute, relay (RLY1) is connected with motor power (MOTOR POWER), control motor (5) work, relay (RLY1) is connected with relay (RLY2) by combination limit switch (XW CONTROL), relay (RLY1) coil is connected to the collector of triode (Q5), the base stage of triode (Q5) is connected with chip (PIC16C57) the 19th pin of main control chip circuit, the emitter of triode (Q10) is connected with the base stage of triode (Q4), the collector of triode (Q10) is connected to the negative pole of power supply (I) by commutation diode (D7), the collector of the base stage of triode (Q10) and triode (Q3), the grounded emitter of triode (Q3), the base stage of triode (Q3) is connected with power switch (SWITCH) by divider resistance (R8), triode (Q4) grounded emitter, base stage is received chip (PIC16C57) the 18th pin of main control chip circuit (IV) through resistance (R10), be subjected to chip (PIC16C57) control, triode (Q4) collector connecting relay (RLY2).

6, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: main control chip circuit (IV) mainly is made of chip (PIC16C57), and 22 pin of chip (PIC16C57), 23 pin, 24 pin are connected with 3 pin, 4 pin, 5 pin of the speech chip (PM5108) of voice sound light alarming circuit (VIII) respectively; 17 pin of chip (PIC16C57) are connected with the collector that signal compares triode (Q1) in the amplifying circuit (III) with the combustion gas probe; 21 pin of chip (PIC16C57) are by light emitting diode (LED1), (LED2) showing and guidance panel (8) demonstration, 20 pin of chip (PIC16C57), 7 pin, 8 pin, 9 pin are by four triodes (Q6), (Q8), (Q7), (Q9) the digital display tube of emitter (LIN3344) connects, with the display setting time, 6 pin of chip (PIC16C57) are as three buttons (S1), (S2), (S3) common port, chip (PIC16C57) 7 pin, 8 pin, 9 pin are by diode (D2), (D3), (D4) with button (S1), (S2), (S3) the other end connects.

7, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: voice sound light alarming circuit (VII) is mainly by light emitting diode (LED1), (LED2), speech chip (PM5108), power amplifier (LM386), pronunciation component (SP) constitutes, diode (LED1), (LED2) negative pole is connected to 21 pin of chip (PIC16C57), diode (LED1), (LED2) positive pole is through resistance (R19), (R18) receive triode (Q9), (Q7) collector, 6 pin of speech chip (PM5108) connect high level by oscillation resistance (R22), 7 pin of speech chip (PM5108) are input to power amplifier (LM386) input end the 3rd pin in the same way, power amplifier (LM386) is input end process resistance (R27) ground connection in the same way, power amplifier (LM386) output terminal the 5th pin is through adjustable resistance (VR2) stiff end, polar capacitor (C12) is connected with an end of pronunciation component (SP), regulate the adjustable end of resistance (VR2) and can adjust the other end ground connection of pronunciation component (SP) the enlargement factor of signal.

8, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: demonstration and guidance panel (8) are arranged on the front of shell (1), the upper end of demonstration and guidance panel (8) has light emitting diode (LED1), (LED2) display aperture (8-2) and display screen (8-1), the below of display screen (8-1) has three operation push-buttons (S1), (S2), (S3), the lower end of demonstration and guidance panel (8) has the combustion gas detection sensitivity adjustment hole (8-7) of adjusting, the adjustment hole (8-6) of loud ditty knothole (8-3) and manually-operated gate switch, demonstration and guidance panel (8) also are provided with the sound hole (8-5) of power switch (8-4) and corresponding pronunciation component (SP), and the lower end of housing (1-1) also is provided with the swivelling cover (6) that can cover demonstration and guidance panel (8) bottom.

9, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: combustion gas probe and signal compare amplifying circuit (III) mainly by combustion gas probe (HEAD), integrated operational amplifier (LM358), triode (Q1) constitutes, combustion gas probe (HEAD) add the thermoae accurate mu balanced circuit (V) that connects, output signal end the 2nd foot meridian capacitor (C2) filtering connects integrated operational amplifier (LM358) the 3rd pin, the 2nd pin of integrated operational amplifier (LM358) connects the adjustable end of adjustable resistance (VR1) through resistance (R5), the fixing end of adjustable resistance (VR1) connects power supply through resistance (R6), the other end is through resistance (R7) ground connection, integrated operational amplifier (LM358) output terminal output one-level amplifying signal enters input end the 5th pin in the same way, reverse input end the 6th pin links to each other with output terminal the 7th pin and forms the amplification of signal secondary, be connected through the base stage of resistance (R2) with triode (Q1), triode (Q1) grounded emitter, triode (Q1) collector is connected with the 17th pin of chip (PIC16C57).

10, combustion gas intelligent controller as claimed in claim 1, it is characterized in that: accurate mu balanced circuit (V) mainly is made of voltage stabilizing chip (34063), inductance (L1), diode (D5), voltage stabilizing chip (34063) output terminal the 2nd pin also is connected with the diode (D5) of reversal connection over the ground through inductance (L1) serial connection between voltage stabilizing chip (34063) output terminal the 2nd pin and the inductance (L1).

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