CN2365543Y - Energy-saving electronic gas combustion safety valve - Google Patents
Energy-saving electronic gas combustion safety valve Download PDFInfo
- Publication number
- CN2365543Y CN2365543Y CN 99206789 CN99206789U CN2365543Y CN 2365543 Y CN2365543 Y CN 2365543Y CN 99206789 CN99206789 CN 99206789 CN 99206789 U CN99206789 U CN 99206789U CN 2365543 Y CN2365543 Y CN 2365543Y
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- valve
- triode
- push rod
- resistance
- gas
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Abstract
The utility model relates to an energy-saving electronic gas combusting safety valve. An electromagnetic valve is arranged in an intake charge cavity of a valve body. A push rod passes through a gas exhaust cavity, and one end of the push rod faces to a sucking disc of the electromagnetic valve which is connected with a thermo-electric generator and a delay time control circuit through leading wires. A trigger switch and the push rod are jointly controlled by a valve opening button and the return spring thereof which are arranged at the other end of the push rod. A position of the push rod passing through the gas exhaust cavity is provided with a leak preventing valve and a leak preventing valve spring. The safety valve with reliable technical performance, safety and no leakage can automatically cut off a total gas source under the condition of any accidental extinction, the occurrence of personnel' toxicosis and fire hazards can be prevented, and the utility model plays the action of safety protection.
Description
The utility model relates to the safe auxiliary equipment of a kind of building gas pipe, service pipe, indoor pipe and the supply of liquefied gas bottle source of the gas, specifically a kind of anti-leak electronic gas safety valve.
People's life generally comprises liquefied gas, coal gas and natural gas with fuel gas, when the fuel gas of burning is extinguished by accident suddenly, existing gas-cooker valve such as pipeline stopcock valve do not have automatic closing function, will cause a large amount of leakages of combustion gas, cause personnel to poison or introduce fire.But China patent CN2170460Y just at above-mentioned potential safety hazard propose a kind of when combustion gas is extinguished by accident the gas-cooker safety valve of automatic-closing valve, this valve is a kind of mechanical safety valve, form by valve body, push rod, magnetic valve, thermocouple and timer etc., its operation principle is: before the igniting, the timer cam drives push rod the magnetic valve sucker is depressed, and valve body inlet and outlet chamber is communicated with; After the igniting, the break-make of magnetic valve is by the thermocouple control of cooking stove flame top.The deficiency that it exists is: in case timer is out of control, cam can not accurately reset, and gas circuit just is in long logical state, and safety valve is ineffective, under the situation of thought of people paralysis, might bring more serious potential safety hazard.In addition, its described push rod is installed in the discharge chamber of valve body, and an end stretches out valve body, and push rod can be up and down, and inevitable gapped between the discharge chamber, and the leakage problem of combustion gas fails to solve.
The purpose of this utility model is to provide a kind of energy-saving electronic safety valve, can make cooking stove behind abnormal misfire, cut off total source of the gas rapidly automatically, even under the situation that safety valve breaks down, Zong gas circuit also can be in closed condition all the time, technical performance is reliable, and safety does not have leakage.
For achieving the above object, the technical scheme that the utility model is taked is: this electronic gas safety valve comprises valve body, magnetic valve, push rod and thermoelectric generator etc., in the inlet chamber of valve body magnetic valve is installed, push rod passes discharge chamber, one end of push rod is facing to the sucker of magnetic valve, magnetic valve links to each other by the lead-in wire thermoelectric generator other with being installed in cooking stove flame, it is characterized in that the magnetic valve in the valve body also links to each other with delay control circuit by lead-in wire, the trigger switch of delay control circuit and push rod are controlled by out the valve button jointly, this opens the other end that valve button and return spring thereof are installed in push rod, open valve button terminal and be exposed to outside the valve body, the position that push rod passes discharge chamber is provided with Trap door and Trap door spring.
This energy-saving electronic safety valves for gas has following characteristics:
1. adopt delay control circuit reasonable in design, be active in one's movements, dependable performance, with low cost, low energy;
2. the machinery in the valve body, electronic section are controlled by opening the interlock of valve button, and be novel, easy and simple to handle;
3. the gap location of discharge chamber and push rod is provided with the Trap door, under the Trap Men Zaiqi spring action, the gap between discharge chamber and the push rod is sealed all the time, and movable push bar and discharge chamber do not have any leakage;
4. the delay time of this safety valve is to determine that by the capacitance in the circuit even if circuit breaks down, delay time can infinitely not prolong yet;
5. valve body global design compactness is tight, simple and practical, anti-lets out effective, long service life, saving combustion gas.
Fig. 1 is the structural representation that coal gas or natural gas line are used the electronics safety valves for gas;
Fig. 2 is the electrical schematic diagram of electronic gas safety valve delay control circuit;
Fig. 3 is the structural representation of liquefied gas bottle with the electronics safety valves for gas.
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing:
Among the figure: 1-drives valve button, 2-button return spring, 3-push rod, 4-Trap door spring, 5-magnetic valve spring, 6-magnetic valve sucker, 7-exhaust outlet, 8-air inlet, 9-valve body, 10-shell, 11-magnetic valve, 12-magnetic valve lead-in wire, 13-delay control circuit, 14-battery, 15-Trap door, 16-trigger switch, 17-thermoelectric generator.
As shown in Figure 1: the air inlet 8 of valve body 9 links to each other with the air supply opening of coal gas (natural gas) pipeline, and exhaust outlet 7 links to each other with stone or metal plate for standing a stove on as a precaution against fire by rubber tube.Magnetic valve 11 is installed in the inlet chamber of valve body 9, push rod 3 passes discharge chamber, one end of push rod 3 is facing to the sucker 6 of magnetic valve, the position that push rod 3 passes discharge chamber is provided with Trap door 15 and Trap door spring 4, push rod 3 other ends are equipped with out valve button 1 and return spring 2 thereof, the terminal of driving valve button 1 is exposed to outside the valve body 9, respectively with delay control circuit 13 and be installed in the other thermoelectric generator 17 of cooking stove flame and link to each other, thermoelectric generator 17 can adopt novel thermoelectric metal material or semi-conducting material to make to magnetic valve 11 by magnetic valve lead-in wire 12.
Figure 2 shows that a kind of implementation of the utility model delay control circuit, that is: with this electronic gas safety valve in magnetic valve 11 by magnetic valve lead-in wire 12 delay control circuits that are connected be: the positive pole of trigger switch K one termination power E, the other end is pressed capacitor C
1Positive pole, capacitor C
1Negative pole connects power cathode, capacitor C
1, resistance R
1, R
2Common formation triode GB
1Bias loop, capacitor C
2Negative pole meet triode GB
1Base stage b, positive pole pass through resistance R
6With triode GB
2Colelctor electrode c link to each other triode GB
2Base stage b connecting resistance R
3, resistance R
3Another termination triode GB
1Colelctor electrode c, triode GB
1Tube voltage drop ce
uAnd resistance R
3Common formation triode GB
2Biasing circuit.Triode GB
2Tube voltage drop ce
uAnd resistance R
4Constitute triode GB
3The upper offset circuit, resistance R
5Be triode GB
3Below-center offset resistance, triode GB
3Colelctor electrode c and the coil L of magnetic valve
1, L
2Link to each other, and link to each other triode GB with diode D
3Emitter e link to each other with the negative pole of power supply E.Anodal and the electromagnetic valve coil L of diode D
1Link to each other the anodal reversal connection of diode D negative pole and power supply E, and and resistance R
7One end links to each other, resistance R
7The other end and electromagnetic valve coil L
1Link to each other, form triode GB
3The protection loop.Thermoelectric generator RE and electromagnetic valve coil L
2Two ends link to each other.This delay control circuit can be realized by printed panel discrete component or special module.
The output termination electromagnetic valve coil of above-mentioned delay control circuit, when circuit is in running order, the about 120mA of operating current, and the quiescent current of time-delay end back (35～50 seconds) circuit is 0, working power only needs No. 5 dry cells just can normally use more than half a year, is a kind of energy-saving product.In addition, first and third GB in the foregoing circuit
1, GB
3What triode adopted is NPN type triode, the second triode GB
2What adopt is the positive-negative-positive triode.
When using kitchen range, before igniting, click out valve button 1 gently, drive valve button 1 when driving push rod 3 is pushed magnetic valve sucker 6 open, make trigger switch (K) the 16 moment closure of delay control circuit, power supply E is to capacitor C
1Charge, produce the voltage of a step, laid in energy and passed through resistance R
1, R
2Constitute triode GB
1The operating bias electric current, this moment triode GB
1, GB
2Conducting, GB
2Conducting make resistance R again
5Produce pressure drop, make triode GB
3Conducting enters duty, and makes electromagnetic valve coil L
1Produce power, 6 adhesives of magnetic valve sucker are opened fuel gas supply thereby reach safety valve.After trigger switch K resets (this switch is promptly to recover normally open after the instantaneous conducting), capacitor C
1Pass through resistance R
1, R
2Keep triode GB
1Conducting enters delay working state (being about 35～50 seconds), capacitor C
1Release energy gradually, work as resistance R
2On pressure drop can not keep triode GB
1Conducting the time, triode GB
1End triode GB
2Also end simultaneously, and triode GB
3Also because of R
5Pressure drop descend and to enter cut-off state, electromagnetic valve coil L
1(this loop is in order to protect triode GB to discharge the high pressure that is produced by diode D
3Not breakdown), the coil L of magnetic valve
1Before the release, just in 35～50 seconds of delay control circuit 13 time-delays, combustion gas is lighted.After the igniting, beginning is sent out the adhesive that device 17 generation electric energy continue to keep magnetic valve sucker 6 by being installed in the other thermoelectric of cooking stove flame, makes gas circuit still be in opening state, to guarantee that combustion gas continues to supply with.And delay control circuit 13 just enters off working state behind 35～50 seconds of time-delay, and quiescent current is 0.In case kitchen range flame is extinguished by accidents such as soup, wind, thermoelectric generator (RE) 17 temperature descend, and the electric energy that is produced weakens very soon until disappearance, electromagnetic valve coil L
2Outage, magnetic valve sucker 6 are under the effect of magnetic valve spring 5, and automatically with gas circuit blocking-up, combustion gas is no longer to external leakage, thereby have avoided the generation of accidents such as combustion gas poisoning, fire explosion effectively, play the safeguard protection effect.
When not using kitchen range usually, magnetic valve sucker 6 is in closed condition all the time under the effect of magnetic valve spring 5, Zong source of the gas is cut off, even child turns on the stone or metal plate for standing a stove on as a precaution against fire switch, does not also have gas leakage.
The pressure regulator that the pressure-reducing valve that shown in Figure 3 is uses above-mentioned safety valves for gas and existing liquefied gas bottle combines.Wherein: 18-pressure-reducing valve, 19-relief chamber, 20-relief chamber loam cake, 21-regulator bolts, 22-decompression epithelium, 23-relief pressure valve cartridge, 24-connect handwheel.Above-mentioned gas safe valve portion is assembled in the following valve body of pressure-reducing valve 18, the relief chamber 19 of pressure-reducing valve 18 directly is communicated with the air inlet 8 of safety valves for gas, with the sealing of the exhaust outlet of former pressure-reducing valve 18, replace by the exhaust outlet 7 of safety valves for gas, other parts are all identical in structure shown in Figure 1.The dual-purpose pressure regulator of a this valve is the regeneration product of traditional relief valve, and it can guarantee liquefied gas user's the person and property safety when realizing decompression.
Claims (4)
1, a kind of energy-saving electronic safety valves for gas, comprise valve body (9), magnetic valve (11), push rod (3) and thermoelectric generator (17) etc., magnetic valve (11) is installed in the inlet chamber of valve body (9), push rod (3) passes discharge chamber, one end of push rod (3) is facing to magnetic valve sucker (6), magnetic valve (11) links to each other by lead-in wire (12) thermoelectric generator (17) other with being installed in cooking stove flame, it is characterized in that the magnetic valve (11) in the valve body (9) also links to each other with delay control circuit (13) by lead-in wire (12), the trigger switch K (16) and the push rod (3) of delay control circuit (13) are controlled by out valve button (1) jointly, this opens the other end that valve button (1) and return spring (2) thereof are installed in push rod (3), the terminal of driving valve button (1) is exposed to outside the valve body (9), and the position that push rod (3) passes discharge chamber is provided with Trap door (15) and Trap door spring (4).
2, energy-saving electronic safety valves for gas according to claim 1, it is characterized in that above-mentioned safety valves for gas is assembled in the following valve body of existing pressure-reducing valve (18), the relief chamber (19) of pressure-reducing valve (18) directly is communicated with, with the exhaust outlet sealing of former pressure-reducing valve (18) with the air inlet (8) of safety valves for gas.
3, energy-saving electronic safety valves for gas according to claim 1 and 2 is characterized in that a termination power (E) positive pole of the trigger switch (K) of above-mentioned delay control circuit (13), and the other end is pressed electric capacity (C
1) positive pole, electric capacity (C
1) negative pole meets power supply (E) negative pole, electric capacity (C
1), resistance (R
1, R
2) constitute triode (GB jointly
1) bias loop, electric capacity (C
2) negative pole meet triode (GB
1) base stage b, anodal by resistance (R
6) and triode (GB
2) colelctor electrode c link to each other triode (GB
2) base stage b connecting resistance (R
3), resistance (R
3) another termination triode (GB
1) colelctor electrode c, triode (GB
1) tube voltage drop (ce
u) and resistance (R
3) constitute triode (GB jointly
2) biasing circuit, triode (GB
2) tube voltage drop (ce
u) and resistance (R
4) formation triode (GB
3) the upper offset circuit, resistance (R
5) be triode (GB
3) below-center offset resistance, triode (GB
3) colelctor electrode c and the coil (L of magnetic valve
1, L
2) link to each other, and link to each other triode (GB with diode (D)
3) emitter e link to each other with the negative pole of power supply (E), diode (D) anodal with electromagnetic valve coil (L
1) link to each other, the anodal reversal connection of diode (D) negative pole and power supply (E), and with resistance (R
7) end links to each other resistance (R
7) the other end and electromagnetic valve coil (L
1) link to each other, form triode (GB
3) the protection loop, thermoelectric generator (RE) and electromagnetic valve coil (L
2) two ends link to each other.
4, energy-saving electronic safety valves for gas according to claim 3 is characterized in that first in the foregoing circuit, the 3rd triode (GB
1, GB
3) what adopt is NPN type triode, the second triode (GB
2) what adopt is the positive-negative-positive triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99206789 CN2365543Y (en) | 1999-04-16 | 1999-04-16 | Energy-saving electronic gas combustion safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99206789 CN2365543Y (en) | 1999-04-16 | 1999-04-16 | Energy-saving electronic gas combustion safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2365543Y true CN2365543Y (en) | 2000-02-23 |
Family
ID=34000970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99206789 Expired - Fee Related CN2365543Y (en) | 1999-04-16 | 1999-04-16 | Energy-saving electronic gas combustion safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2365543Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864148A (en) * | 2015-05-12 | 2015-08-26 | 朱德金 | Home use double-pipe coal gas pressure reducer |
| CN108758050A (en) * | 2018-07-30 | 2018-11-06 | 天津鹏安数讯消防设备工程有限公司 | A kind of valve closer |
| CN108954407A (en) * | 2018-06-27 | 2018-12-07 | 青岛海尔智能技术研发有限公司 | Dry burning prevention stove |
-
1999
- 1999-04-16 CN CN 99206789 patent/CN2365543Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864148A (en) * | 2015-05-12 | 2015-08-26 | 朱德金 | Home use double-pipe coal gas pressure reducer |
| CN108954407A (en) * | 2018-06-27 | 2018-12-07 | 青岛海尔智能技术研发有限公司 | Dry burning prevention stove |
| CN108758050A (en) * | 2018-07-30 | 2018-11-06 | 天津鹏安数讯消防设备工程有限公司 | A kind of valve closer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |