CN204329336U - A kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current - Google Patents
A kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current Download PDFInfo
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- CN204329336U CN204329336U CN201420654032.9U CN201420654032U CN204329336U CN 204329336 U CN204329336 U CN 204329336U CN 201420654032 U CN201420654032 U CN 201420654032U CN 204329336 U CN204329336 U CN 204329336U
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Abstract
The utility model discloses a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current, comprise: Based Intelligent Control integration module, NTC TEMP feedback device, microelectronics Fire Monitoring flame device, high-frequency impulse igniter, alternating current-direct current exchange supply unit, magnetic valve, stepper motor, and electrically-controlled valve, this alternating current-direct current exchanges supply unit provides electric power to input for described high-frequency impulse igniter, this magnetic valve is used for being communicated with or cutting out gas medium passage, and step motor control electrically-controlled valve is to regulate the uninterrupted of medium channel.The utility model exchanges supply unit by alternating current-direct current provides electric power to input for described high-frequency impulse igniter, frequently need not change battery, operate very convenient, the utility model environmentally temperature can control heating flame size in real time simultaneously, has temperature automatically controlled function.
Description
Technical field
The utility model relates to gas utensil industry, especially a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current.
Background technology
Fuel gas heating apparatus, burnt gas wall hanging furnace, combustion gas is viewed and admired the combustion heaters such as stove and is applied more and more widely in daily life, these combustion heaters can only manually on demand regulate flame size mostly, and in the use of reality, the user demand of user is mostly the suitable temperature of maintenance one, thus hand switch combustion heater or regulate its gas flow to come in regulate flame size is continually needed, the effect keeping relative constant temperature is reached with this, certain inconvenience is brought to use, simultaneously due to switch combustion heater continually, easily cause the loss of the igniter of combustion heater, reduce its service life.
In addition, the igniter of above-mentioned combustion heater adopts pulse firing usually, and it uses battery to electromagnetic pulse device and solenoid valve, needs in actual use often to change battery, uses and comparatively bother.In addition, the insecure problem of sparking can be there is after putty absorption is more, just can lights combustion gas after sometimes needing repeatedly to strike sparks, cause Consumer's Experience poor.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current.
The utility model is the technical scheme that its technical problem of solution adopts:
A kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current, comprise: Based Intelligent Control integration module and the NTC TEMP feedback device be electrically connected with this Based Intelligent Control integration module, microelectronics Fire Monitoring flame device, high-frequency impulse igniter, alternating current-direct current exchanges supply unit, magnetic valve, stepper motor, and electrically-controlled valve, this alternating current-direct current exchanges supply unit provides electric power to input for described high-frequency impulse igniter, this magnetic valve is used for being communicated with or cutting out gas medium passage, step motor control electrically-controlled valve is to regulate the uninterrupted of medium channel, high-frequency impulse igniter and microelectronics Fire Monitoring flame device are used for point and fight and become electronic signal transmission to Based Intelligent Control integration module flame change of medium by microelectronics Fire Monitoring amount device, NTC TEMP feedback device converts electric signal transmission to Based Intelligent Control integration module for responding to different temperature signals.
Described magnetic valve comprises electromagnetic valve body and solenoid valve seat, and the fuel gas source import to be communicated with solenoid valve seat, female fire-fighting mouth, this fuel gas source import is as the air inlet of solenoid valve seat, female fire-fighting mouth is communicated with the gas outlet of solenoid valve seat respectively with the air inlet of electrically-controlled valve, this electromagnetic valve body Controlling solenoid valve seat air inlet is communicated with or closedown with gas outlet, and the action of described magnetic valve controls by NTC TEMP feedback device.
Described electrically-controlled valve comprises and includes electric-controlled valve seat, spool and the main fire that is communicated with electric-controlled valve seat exports, electric-controlled valve seat is fixed on solenoid valve seat, spool is plugged in electric-controlled valve seat and also can rotates around its axis, stepper motor and spool transmission and controlled by NTC TEMP feedback device, and control switch and the gas output size of main fire outlet by this rotation.
Described electrically-controlled valve also includes fine motion shifting block and for controlling the microswitch that fine motion shifting block rotates, described fine motion shifting block to be set on spool and with spool synchronous axial system, described microswitch is controlled by NTC TEMP feedback device.
Described high-frequency impulse igniter comprises dc source, interlock ignition switch, Power convert and delay circuit, oscillating circuit and electrion mechanism, this dc source exports the DC voltage of 3V, the charge/discharge of this interlock ignition switch control point ignition circuit, this Power convert and delay circuit make this oscillating circuit and electrion mechanism obtain power supply and keep the scheduled time, and this oscillating circuit and electrion mechanism produce lights a fire higher than the high pressure pulse discharge of 4000V, this alternating current-direct current exchanges supply unit and comprises as this dc source: the full-bridge type rectification circuit be made up of 4 diodes, carries out rectification process for giving input AC electricity, filter circuit, for carrying out filtering process to the alternating current after rectification process, this filter circuit comprises diode D3, diode D4, diode D8, diode D9, electric capacity C7 and electric capacity C9, wherein the anode of diode D3 is connected with the output of rectification circuit, the negative electrode of diode D3 is connected with the negative electrode of diode D9, one end of electric capacity C7 is connected with the negative electrode of diode D3, the other end of electric capacity C7 is connected with the anode of diode D8 and the negative electrode of diode D4 respectively, the negative electrode of diode D8 is connected with the anode of diode D9, one end of electric capacity C9 is connected with the anode of diode D4, the other end of electric capacity C9 is connected with the anode of diode D9, the negative electrode of diode D9 is also connected with DC output end.
This interlock ignition switch comprises single-pole double throw microswitch K1, single-pole double throw microswitch K2, electrochemical capacitor C1, electrochemical capacitor C2; The negative pole of electrochemical capacitor C1 is connected with the common port of single-pole double throw microswitch K1, the negative pole of electrochemical capacitor C2 is connected with the common port of single-pole double throw microswitch K2, the positive pole of electrochemical capacitor C1 and the positive pole connection circuit ground of electrochemical capacitor C2, the normally-closed contact of single-pole double throw microswitch K1 and the normally-closed contact of single-pole double throw microswitch K2 connect the negative output terminal that alternating current-direct current exchanges supply unit AC-DC, and alternating current-direct current exchanges the positive output end connection circuit ground of supply unit AC-DC.
This Power convert and delay circuit, comprise P-channel field-effect transistor (PEFT) pipe VT1, resistance R1 and resistance R2; This oscillating circuit and electrion mechanism, comprise PNP transistor VT2, oscillation transformer B, resistance R3 and electrion end; One end of P-channel field-effect transistor (PEFT) pipe VT1 grid connecting resistance R1 and one end of resistance R2, the normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K1 of resistance R1, the normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K2 of resistance R2, the source electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the negative output terminal that alternating current-direct current exchanges supply unit AC-DC, and the drain electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the Same Name of Ends of oscillation transformer B primary coil L1; One end of the base stage connecting resistance R3 of PNP transistor VT2, another termination oscillation transformer B primary coil L1 non-same polarity of resistance R3, the drain electrode of the termination P-channel field-effect transistor (PEFT) pipe VT1 of the same name of oscillation transformer B primary coil L2, the colelctor electrode of PNP transistor VT2 connects the other end of oscillation transformer B primary coil L2, the emitter stage connection circuit ground GND of PNP transistor VT2, the metal shell of the one termination gas ignition circuit of oscillation transformer B secondary coil L3, another termination electrion end of oscillation transformer B secondary coil L3.
The beneficial effects of the utility model are:
The utility model exchanges supply unit by alternating current-direct current provides electric power to input for described high-frequency impulse igniter, frequently need not change battery, operate very convenient.Low-voltage DC is produced the even higher high voltage pulse of 4000V by oscillating circuit by this high-frequency impulse igniter, and being sparked by high pressure cusp is formed spark and complete electronic ignition process, operates conveniently, simple.
The flame detecting device increased due to the utility model can ensure to have during fire at female fire-fighting mouth place just to open electrically-controlled valve, prevents gas leakage, ensures use safety; And utilize NTC TEMP feedback device measures ambient temperature also to control the size of main fiery exit gas flow according to this, make it can control heating flame size in real time according to the difference of design temperature and environment temperature, thus there is temperature automatically controlled function; And due to the utility model use kept burning day and night female fire at female fire-fighting mouth place to ignite combustion gas that main fire outlet derives, without the need to switch ignition device continually, can Loss reducing, increase the service life; The utility model structure is simple, volume is little, can be arranged on easily on existing combustion heater and not affect its outward appearance.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the explosive view of the utility model magnetic valve and electrically-controlled valve;
Fig. 3 is the installation diagram of the utility model magnetic valve and electrically-controlled valve;
Fig. 4 is the circuit diagram of high-frequency impulse igniter;
Fig. 5 is the circuit diagram that alternating current-direct current exchanges supply unit.
Detailed description of the invention
With reference to shown in Fig. 1, a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current, comprise: Based Intelligent Control integration module 9 and the NTC TEMP feedback device 2 be electrically connected with this Based Intelligent Control integration module 9, microelectronics Fire Monitoring flame device 3, high-frequency impulse igniter 4, alternating current-direct current exchange supply unit 5, magnetic valve 8, stepper motor 11, and electrically-controlled valve 10;
Wherein, this alternating current-direct current exchanges supply unit 5 provides electric power to input for described high-frequency impulse igniter 4, this magnetic valve 8 is for being communicated with or cutting out gas medium passage, NTC TEMP feedback device 2 converts electric signal transmission to Based Intelligent Control integration module 9 for responding to different temperature signals, Based Intelligent Control integration module 9 connects stepper motor 11 to control electrically-controlled valve 10 to regulate the uninterrupted of medium channel, high-frequency impulse igniter 4 and microelectronics Fire Monitoring flame device 3 are fought for point and are become electronic signal transmission to Based Intelligent Control integration module 9 flame change of medium by microelectronics Fire Monitoring amount device 3, microelectronics Fire Monitoring flame device 3 and the core devices of high-frequency impulse igniter 4 are that a some & examines fiery probe, and tie point & examines the circuit structure of fiery probe and Based Intelligent Control integration module 9, point & examines fiery probe and completes its igniting and microelectronics measuring ability feed back to Based Intelligent Control integration module 9.
As shown in Figure 2 and Figure 3, described magnetic valve 8 comprises electromagnetic valve body 81 and solenoid valve seat 82, and the fuel gas source import 83 to be communicated with solenoid valve seat 82, female fire-fighting mouth 84, this fuel gas source import 83 is as the air inlet of solenoid valve seat 82, female fire-fighting mouth 84 is communicated with the gas outlet of solenoid valve seat 82 respectively with the air inlet of electrically-controlled valve 10, this electromagnetic valve body 81 Controlling solenoid valve seat 82 air inlet is communicated with or closedown with gas outlet, and the action of described magnetic valve 8 is by NTC TEMP feedback device 2(indirect utilization Based Intelligent Control integration module 9) control.
Described electrically-controlled valve 10 comprises and includes electric-controlled valve seat 101, spool 102 and the main fire that is communicated with electric-controlled valve seat 101 exports 103, electric-controlled valve seat 101 is fixed on solenoid valve seat 82, spool 102 is plugged in electric-controlled valve seat 101 and also can rotates around its axis, stepper motor 11 is with spool 102 transmission and by NTC TEMP feedback device 2(indirect utilization Based Intelligent Control integration module 9) control, and control switch and the gas output size of main fire outlet 103 by this rotation.
In actual use, first the temperature that on NTC TEMP feedback device 2, setting one is suitable, when temperature is lower than setting value, Based Intelligent Control integration module 9 controls to open magnetic valve 8, combustion gas passes into female fire-fighting mouth 84 by fuel gas source import 83 and is lighted by high-frequency impulse igniter 4, Based Intelligent Control integration module 9 controls to open electrically-controlled valve 3 afterwards, combustion gas is passed in combustion heater main pipeline and then by kept burning day and night female fire at female fire-fighting mouth 84 place by main fire outlet 103 and lights, electrically-controlled valve 10 is regulated in real time by the difference of the environment temperature of design temperature and measurement, thus regulate the size being exported to the combustion gas in combustion heater main pipeline by main fire outlet 103, reach and automatically control heating flame size thus realize temperature automatically controlled effect.
Described electrically-controlled valve 10 also includes fine motion shifting block 104 and the microswitch 105 for controlling fine motion shifting block 104 rotation, described fine motion shifting block 104 to be set on spool 102 and with spool 102 synchronous axial system, described microswitch 105 is controlled by NTC TEMP feedback device 2.This device more accurately can control the rotation of spool 102, thus controls the uninterrupted of the combustion gas of flowing out main fire outlet 103 more accurately.
See Fig. 4, be the circuit theory diagrams of the utility model embodiment medium-high frequency pulse ignition device 4.Automatic ignitor in this embodiment comprises alternating current-direct current and exchanges supply unit, interlock ignition switch, Power convert and delay circuit, oscillating circuit and electrion mechanism, the circuit of various piece form and operation principle as follows.
Alternating current-direct current exchanges supply unit AC-DC as dc source, civil power (220V) is converted to satisfactory direct current (3V), thus for automatic ignitor operating circuit is powered.Be understandable that, alternating current-direct current exchanges supply unit AC-DC and also can directly replace with 3V dc source, repeats no more.
Interlock ignition switch, by single-pole double throw microswitch K1 and K2, electrochemical capacitor C1 and C2 forms, the negative pole of electrochemical capacitor C1 is connected with the common port of single-pole double throw microswitch K1, the negative pole of electrochemical capacitor C2 is connected with the common port of single-pole double throw microswitch K2, the positive pole of electrochemical capacitor C1 and the positive pole connection circuit ground GND of electrochemical capacitor C2, the normally-closed contact of single-pole double throw microswitch K1 and the normally-closed contact of single-pole double throw microswitch K2 meet the negative output terminal VCC that alternating current-direct current exchanges supply unit AC-DC, alternating current-direct current exchanges the positive output end connection circuit ground GND of supply unit AC-DC.
Power convert and delay circuit, be made up of P-channel field-effect transistor (PEFT) pipe VT1 and resistance R1, R2, one end of P-channel field-effect transistor (PEFT) pipe VT1 grid connecting resistance R1 and one end of resistance R2, the normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K1 of resistance R1, the normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K2 of resistance R2, the source electrode of P-channel field-effect transistor (PEFT) pipe VT1 meets the negative output terminal VCC that alternating current-direct current exchanges supply unit AC-DC, and the drain electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the Same Name of Ends of oscillation transformer B primary coil L1.
Oscillating circuit and electrion mechanism, by PNP transistor VT2, oscillation transformer B, resistance R3 and electrion end composition, one end of the base stage connecting resistance R3 of PNP transistor VT2, another termination oscillation transformer B primary coil L1 non-same polarity of resistance R3, the drain electrode of the termination P-channel field-effect transistor (PEFT) pipe VT1 of the same name of oscillation transformer B primary coil L2, the colelctor electrode of PNP transistor VT2 connects the other end of oscillation transformer B primary coil L2, the emitter stage connection circuit ground GND of PNP transistor VT2, the metal shell of the one termination gas ignition circuit of oscillation transformer B secondary coil (step-up coil) L3, another termination electrion end of oscillation transformer B secondary coil L3.When burnt gas switch is in closed condition, electrochemical capacitor C1 or C2 is charged.While opening burnt gas switch knob, be switched on the normally opened contact in single-pole double throw microswitch K1 or K2 (interlock ignition switch) of burnt gas switch knob linkage, electrochemical capacitor C1 or C2 makes the grid of P-channel field-effect transistor (PEFT) pipe VT1 become high level by microswitch K1 or K2, the conducting of P-channel field-effect transistor (PEFT) pipe VT1 makes oscillating circuit obtain power supply, the secondary coil of oscillation transformer B boosts the high voltage pulse of about 4000V, make the electrion mechanism ignition operation several seconds, when electrochemical capacitor C1 or C2 discharge off, P-channel field-effect transistor (PEFT) pipe VT1 proceeds to cut-off, ignition process completes.When closing burnt gas switch, again receiving the negative pole of electrochemical capacitor C1 or C2 with single-pole double throw microswitch K1 or K2 of its interlock, is the charging of electrochemical capacitor C1 or C2 again.
Circuit shown in Fig. 4 adopts oscillating circuit to produce the high voltage pulse of 4000V, utilizes electrion to light combustion gas.This auto-ignition circuit solves piezo-electric ignition mode Problems existing, and stopped problems such as using the igniting of match, lighter inconvenient and dangerous, easy to use, security is high.
In the firing circuit of automatic ignitor shown in Fig. 4, alternating current-direct current exchanges supply unit AC-DC specifically can adopt multiple circuit structure, is below a preferred embodiment.
See Fig. 5, for the alternating current-direct current in the utility model embodiment exchanges the circuit theory diagrams of supply unit.Alternating current-direct current in this embodiment exchanges supply unit and mainly comprises rectification circuit 100 and filter circuit 200, the rectification circuit of rectification circuit 100 for carrying out rectification process to input AC electricity, filter circuit 200 is for carrying out filtering process to the alternating current after rectification process, and circuit structure and the operation principle of various piece are specific as follows.
Rectification circuit 100, for carrying out rectification process to input AC electricity, it preferably adopts full-wave bridge rectifier circuit BR1.Full-wave bridge rectifier circuit BR1 is made up of four diodes, and its simplicity of design is practical, can meet the rectification demand of client well.
Filter circuit 200, for carrying out filtering process to the alternating current V+ after rectification process, it comprises diode D3, diode D4, diode D8, diode D9, electric capacity C7 and electric capacity C9, the anode of diode D3 is connected with the output of rectification circuit, the negative electrode of diode D3 is connected with the negative electrode of diode D9, one end of electric capacity C7 is connected with the negative electrode of diode D3, the other end of electric capacity C7 is connected with the anode of diode D8 and the negative electrode of diode D4 respectively, the negative electrode of diode D8 is connected with the anode of diode D9, one end of electric capacity C9 is connected with the anode of diode D4, the other end of electric capacity C9 is connected with the anode of diode D9, the negative electrode of diode D9 is also connected with DC output end.
This alternating current-direct current shown in Fig. 5 exchanges supply unit by energy storage being carried out in electric capacity C7 and electric capacity C9 series connection during conversion, electric capacity C7 and electric capacity C9 is made to be the conversion that small capacitances can complete the original AC-DC using bulky capacitor to realize, what reduce alternating current-direct current exchange supply unit realizes cost, reduces the power factor of whole circuit simultaneously.When the voltage of the alternating current after rectification process be greater than electric capacity C7 and electric capacity C9 voltage and time, alternating current after rectification process charges to arriving electric capacity C7 and electric capacity C9 through diode D3, electric capacity C7, diode D8 and electric capacity C9 successively, and diode D4 and diode D9 ends.Here electric capacity C7 and electric capacity C9 uses the electric capacity of equal capacitance value, and these two electric capacity can be charged to (Vbuck/2)=(Vac peak value/2).The voltage of the alternating current after at this moment rectification process be less than or equal to electric capacity C7 and electric capacity C9 voltage and, namely V+ changes to and is less than or equal to (Vac peak value/2), and diode D3 ends, and V+ no longer powers to DC output end, at this moment diode D8 ends, diode D4 and diode D9 conducting.Discharged to DC output end by electric capacity C7, diode D4 and electric capacity C9, diode D9, namely by electric capacity C7 and electric capacity C9, load circuit is powered.At this moment the voltage change of DC output end (i.e. Vbuck) would not have crest and trough with V+ sample, but the crest of smooth change, play the effect of waveform copped wave thus.Be less than or equal to when V+ changes to (Vac peak value/2) simultaneously, V+ does not power to DC output end, namely when voltage change is trough, input current is also decreased to 0, so voltage and current change uniformity is better than the general uniformity with the circuit of electrochemical capacitor greatly, so the power supply input power factor that the present embodiment alternating current-direct current exchanges supply unit also can improve.
In Figure 5, alternating current-direct current exchanges supply unit and also comprises filter capacitor C10, and one end of filter capacitor C10 is connected with DC output end, the other end ground connection of filter capacitor C10.Voltage DC output end being exported by the filtering of electrolytic capacitor filter C10 is more level and smooth, better meets the demand of user's direct current supply.In addition, this alternating current-direct current exchanges the light emitting diode D1 that supply unit also comprises the duty being used to indicate alternating current-direct current exchange supply unit, the minus earth of light emitting diode D1, and the anode of light emitting diode D1 is connected with DC output end Vbuck by resistance R5.Further; this alternating current-direct current exchange supply unit also comprises the Zener diode D2 for the protection of light emitting diode D1; the plus earth of Zener diode D2, the negative electrode of Zener diode D2 is connected with the anode of DC output end and light emitting diode D1 respectively by resistance R4.When the alternating current-direct current exchange supply unit of the present embodiment is powered to DC output end, it is in running order that at this moment light emitting diode D1 can be lit to indicate this alternating current-direct current to exchange supply unit.Zener diode D2 then can ensure that the operating voltage at light emitting diode D1 two ends can not be excessive and damaged by light emitting diode D1.
Above embodiment is improved from many aspects firing circuit, and its beneficial effect is comparatively outstanding, and properties of product are improved.Above-mentioned corrective measure implements comparatively convenient, obviously can not increase cost, thus has good market prospects.
The foregoing is only preferred embodiment of the present utility model, as long as the technical scheme realizing the utility model object with basic same approach all belongs within protection domain of the present utility model.
Claims (7)
1. one kind is exchanged the combustion gas automatic temperature control system of power supply with alternating current-direct current, it is characterized in that, comprise: Based Intelligent Control integration module (9) and the NTC TEMP feedback device (2) be electrically connected with this Based Intelligent Control integration module (9), microelectronics Fire Monitoring flame device (3), high-frequency impulse igniter (4), alternating current-direct current exchanges supply unit (5), magnetic valve (8), stepper motor (11), and electrically-controlled valve (10), this alternating current-direct current exchanges supply unit (5) provides electric power to input for described high-frequency impulse igniter (4), this magnetic valve (8) is for being communicated with or cutting out gas medium passage, stepper motor (11) controls electrically-controlled valve (10) to regulate the uninterrupted of medium channel, high-frequency impulse igniter (4) and microelectronics Fire Monitoring flame device (3) are fought for point and are become electronic signal transmission to Based Intelligent Control integration module (9) flame change of medium by microelectronics Fire Monitoring amount device (3), NTC TEMP feedback device (2) converts electric signal transmission to Based Intelligent Control integration module (9) for responding to different temperature signals.
2. a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current according to claim 1, it is characterized in that: described magnetic valve (8) comprises electromagnetic valve body (81) and solenoid valve seat (82), and the fuel gas source import (83) to be communicated with solenoid valve seat (82), female fire-fighting mouth (84), this fuel gas source import (83) is as the air inlet of solenoid valve seat (82), female fire-fighting mouth (84) is communicated with the gas outlet of solenoid valve seat (82) respectively with the air inlet of electrically-controlled valve (10), this electromagnetic valve body (81) Controlling solenoid valve seat (82) air inlet is communicated with or closedown with gas outlet, the action of described magnetic valve (8) controls by NTC TEMP feedback device (2).
3. a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current according to claim 2, it is characterized in that: described electrically-controlled valve (10) comprises and includes electric-controlled valve seat (101), spool (102) and the main fire be communicated with electric-controlled valve seat (101) export (103), electric-controlled valve seat (101) is fixed on solenoid valve seat (82), spool (102) is plugged in electric-controlled valve seat (101) and also can rotates around its axis, stepper motor (11) and spool (102) transmission and controlled by NTC TEMP feedback device (2), and switch and the gas output size of main fire outlet (103) is controlled by this rotation.
4. a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current according to claim 3, it is characterized in that: described electrically-controlled valve (10) also includes fine motion shifting block (104) and for controlling the microswitch (105) that fine motion shifting block (104) rotates, described fine motion shifting block (104) be set in spool (102) upper and with spool (102) synchronous axial system, described microswitch (105) is controlled by NTC TEMP feedback device (2).
5. a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current according to claim 1, it is characterized in that: described high-frequency impulse igniter (4) comprises dc source, interlock ignition switch, Power convert and delay circuit, oscillating circuit and electrion mechanism, this dc source exports the DC voltage of 3V, the charge/discharge of this interlock ignition switch control point ignition circuit, this Power convert and delay circuit make this oscillating circuit and electrion mechanism obtain power supply and keep the scheduled time, this oscillating circuit and electrion mechanism produce lights a fire higher than the high pressure pulse discharge of 4000V, this alternating current-direct current exchanges supply unit (5) and comprises as this dc source: the full-bridge type rectification circuit be made up of 4 diodes, carries out rectification process for giving input AC electricity, filter circuit, for carrying out filtering process to the alternating current after rectification process, this filter circuit comprises diode D3, diode D4, diode D8, diode D9, electric capacity C7 and electric capacity C9, wherein the anode of diode D3 is connected with the output of rectification circuit, the negative electrode of diode D3 is connected with the negative electrode of diode D9, one end of electric capacity C7 is connected with the negative electrode of diode D3, the other end of electric capacity C7 is connected with the anode of diode D8 and the negative electrode of diode D4 respectively, the negative electrode of diode D8 is connected with the anode of diode D9, one end of electric capacity C9 is connected with the anode of diode D4, the other end of electric capacity C9 is connected with the anode of diode D9, the negative electrode of diode D9 is also connected with DC output end.
6. a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current according to claim 5, is characterized in that: this interlock ignition switch comprises single-pole double throw microswitch K1, single-pole double throw microswitch K2, electrochemical capacitor C1, electrochemical capacitor C2; The negative pole of electrochemical capacitor C1 is connected with the common port of single-pole double throw microswitch K1, the negative pole of electrochemical capacitor C2 is connected with the common port of single-pole double throw microswitch K2, the positive pole of electrochemical capacitor C1 and the positive pole connection circuit ground of electrochemical capacitor C2, the normally-closed contact of single-pole double throw microswitch K1 and the normally-closed contact of single-pole double throw microswitch K2 connect the negative output terminal that alternating current-direct current exchanges supply unit AC-DC, and alternating current-direct current exchanges the positive output end connection circuit ground of supply unit AC-DC.
7. a kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current according to claim 6, is characterized in that: this Power convert and delay circuit, comprises P-channel field-effect transistor (PEFT) pipe VT1, resistance R1 and resistance R2; This oscillating circuit and electrion mechanism, comprise PNP transistor VT2, oscillation transformer B, resistance R3 and electrion end; One end of P-channel field-effect transistor (PEFT) pipe VT1 grid connecting resistance R1 and one end of resistance R2, the normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K1 of resistance R1, the normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K2 of resistance R2, the source electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the negative output terminal that alternating current-direct current exchanges supply unit AC-DC, and the drain electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the Same Name of Ends of oscillation transformer B primary coil L1; One end of the base stage connecting resistance R3 of PNP transistor VT2, another termination oscillation transformer B primary coil L1 non-same polarity of resistance R3, the drain electrode of the termination P-channel field-effect transistor (PEFT) pipe VT1 of the same name of oscillation transformer B primary coil L2, the colelctor electrode of PNP transistor VT2 connects the other end of oscillation transformer B primary coil L2, the emitter stage connection circuit ground GND of PNP transistor VT2, the metal shell of the one termination gas ignition circuit of oscillation transformer B secondary coil L3, another termination electrion end of oscillation transformer B secondary coil L3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420654032.9U CN204329336U (en) | 2014-11-03 | 2014-11-03 | A kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current |
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| CN201420654032.9U CN204329336U (en) | 2014-11-03 | 2014-11-03 | A kind of combustion gas automatic temperature control system exchanging power supply with alternating current-direct current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188977A (en) * | 2018-09-25 | 2019-01-11 | 湖北民族学院 | A kind of tea place weeding apparatus and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188977A (en) * | 2018-09-25 | 2019-01-11 | 湖北民族学院 | A kind of tea place weeding apparatus and control method |
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Granted publication date: 20150513 Termination date: 20191103 |