CN203560925U - Single-gas-source-connection dual-gas-source automatic identifying system - Google Patents
Single-gas-source-connection dual-gas-source automatic identifying system Download PDFInfo
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- CN203560925U CN203560925U CN201320766474.8U CN201320766474U CN203560925U CN 203560925 U CN203560925 U CN 203560925U CN 201320766474 U CN201320766474 U CN 201320766474U CN 203560925 U CN203560925 U CN 203560925U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims description 25
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 166
- 239000000567 combustion gas Substances 0.000 description 68
- 239000002737 fuel gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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Abstract
A single-gas-source-connection dual-gas-source automatic identifying system comprises a manual control component (1). The manual control component (1) is provided with three gas outlets, and a switch A, a switch B and a switch C are mounted on the three gas outlets respectively. The single-gas-source-connection dual-gas-source automatic identifying system is characterized in that the gas outlet of the switch A is communicated with a gas inlet of a first pressure stabilizing valve (5) through a first gas circuit (4), a gas outlet of the first pressure stabilizing valve (5) is communicated with a high-heating-value pilot burner (6), the gas outlet of the switch B is communicated with a gas inlet of an electronic-control one-inlet two-outlet switch (8) through a second gas circuit (7). The single-gas-source-connection dual-gas-source automatic identifying system is simple in structure, easy to implement and safe and reliable.
Description
Technical field
The utility model relates to a kind of gas technology, especially a double-source gas technology, specifically gas source interface of a kind of need, automatically to identify connect be the single gas source interface dual gas supply automatic recognition system of high heating value source of the gas or low heat value source of the gas.
Background technology
According to the knowledge of the applicant, at present, gas system with double gas sources on market or be to need user to adjust all parts of gas utensil, leave two combustion gas interface, need user that combustion gas is accessed to corresponding interface, otherwise gas utensil cisco unity malfunction even can bring safety problem. in existing patent document, also have in addition an interface, but this system screen combustion gas classification according to the inlet pressure that is combustion gas.Gaseous-pressure kind is different, and pressure is not identical, but the pressure of combustion gas fluctuates, pressure drop when multi-user uses simultaneously, user rises when few, and the pressure of mobile combustion gas in different calibers is not identical yet in addition, so unreliable with the gas system with double gas sources of the method.
Summary of the invention
The purpose of this utility model is there will be in use source of the gas access port not mate with source of the gas or forbidden because supply pressure fluctation causes differentiating for existing double-source gas tool, easily cause the problem of use gas security incident, design a kind of single gas source interface dual gas supply automatic recognition system.
The technical solution of the utility model is:
A kind of single gas source interface dual gas supply automatic recognition system, comprise manual control part 1, manual control part 1 is divided into inlet chamber and air distribution cavity by rotary switch 2, gas source 3 is connected with the inlet chamber of manual control part 1, air distribution cavity is provided with three gas outlets, wherein on first gas outlet, be provided with on switch A, second gas outlet switch B is installed, the 3rd gas outlet is directly connected with the 5th gas circuit 16, the break-make that switch C controls the 3rd gas circuit 11, the 4th gas circuit 13 is also installed in addition, and the 3rd gas circuit 11, the 4th gas circuit 13 separate with air distribution cavity.The break-make of switch A, switch B, switch C is controlled by rotary switch 2, the gas outlet that it is characterized in that described switch A is connected with the air inlet of the first pressure maintaining valve 5 by the first gas circuit 4, the gas outlet of the first pressure maintaining valve 5 is connected with high heating value long flame burner 6, the gas outlet of switch B is connected with automatically controlled one-in-and-two-out switch 8 air inlets by the second gas circuit 7, one in two gas outlets of automatically controlled one-in-and-two-out switch 8 is connected with the air inlet of the second pressure maintaining valve 9, the air inlet of another and the first pressure maintaining valve 5 also connects, the gas outlet of the second pressure maintaining valve 5 is connected with low heat value long flame burner 10, thermo-generator electrical connection is installed on the magnetic valve of automatically controlled one-in-and-two-out switch 8 and high heating value long flame burner 6, a gas outlet of switch C is connected with the 3rd gas circuit 11, in the 3rd gas circuit 11, barrier film voltage limiter 12 is installed, the gas outlet of the back pressure cavity of barrier film voltage limiter 12 and the first pressure maintaining valve 5 also connects, another gas outlet of switch C is connected with the 4th gas circuit 13, the four or three gas circuit 13 is connected with the air inlet of the second diaphragm valve 14, the gas outlet of the second diaphragm valve 14 is connected with high heating value nozzle 15, and the back pressure cavity of the second diaphragm valve 14 is connected with the first gas circuit 14, the gas outlet of the 5th gas circuit 16 is connected with the air inlet of the first diaphragm valve 17, and the gas outlet of the first diaphragm valve 17 is connected with the 4th gas circuit 13 and low heat value nozzle 18 respectively, between the gas outlet of barrier film voltage limiter 12 and the air inlet of the first diaphragm valve 17, be connected with miniflow gas circuit 19, between miniflow gas circuit 19 and the back pressure cavity of the first diaphragm valve 17, be connected with the tenth gas circuit 20.
Described high heating value long flame burner 6 and the thermocouple of low heat value long flame burner 10 are all electrically connected with the security solenoid valve 21 being arranged in manual control part 1 inlet chamber.
The beneficial effects of the utility model:
The main thought of the utility model is that (ratio of combustion gas and air is the concentration limit of ignition flame) of combustion gas for one of them ignition condition from combustion gas, use two long flame burners, one is applicable to fuel gas with low heat value, one is applicable to high heating value combustion gas, at ignition phase, it is lighted a fire simultaneously, the too high inflammability limit that exceeds of AIR Proportional during through the long flame burner of high heating value due to low-calorie combustion gas, thereby do not lighted. obtain the signal that catches fire, carry out the duty of each parts in automatic adjustment system, realize the dual gas supply control system of single combustion gas interface.Therefore it has following outstanding advantages:
1, the double-source gas control system of only having a combustion gas access port.
2, concerning user's operation, identical with the operation of single source of the gas burner, it is high a lot of that market acceptance is wanted.
3, according to the combustion characteristics of combustion gas, carry out the duty of adjustment System, safe and reliable.
Accompanying drawing explanation
Fig. 1 is automatic discrimination principle schematic of the present utility model.
Fig. 2 is the structural representation of low heat value long flame burner of the present utility model.In Fig. 2,201 is ports, the 202nd, and primary air entrance, the 203rd, nozzle.
Fig. 3 is the structural representation of high heating value long flame burner of the present utility model.In Fig. 3,301 is ports, the 302nd, and primary air entrance, the 303rd, nozzle.
Fig. 4 is that system access high heating value combustion gas duration naked light is lighted view.In figure, 22 is main gas apparatus.
Fig. 5 is that system access fuel gas with low heat value duration naked light is lighted view.
Fig. 6 is system access low-heat of the present utility model combustion gas and the schematic diagram of rotary switch when closed condition.In figure: 26 is thermocouple, and 27 is thermo-generator.
Fig. 7 is system access low-heat of the present utility model combustion gas and the schematic diagram of rotary switch when fired state.
Fig. 8 is system access low-heat of the present utility model combustion gas and rotary switch schematic diagram when in running order.
Fig. 9 is the high hot combustion gas of system access of the present utility model and the schematic diagram of rotary switch when closed condition.
Figure 10 is system access low-heat of the present utility model combustion gas and the schematic diagram of rotary switch when fired state.
Figure 11 is system access low-heat of the present utility model combustion gas and rotary switch schematic diagram when in running order.
Figure 12 is electrical schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Fig. 1-12.
A kind of single gas source interface dual gas supply automatic recognition system, comprise manual control part 1, manual control part 1 is divided into inlet chamber and air distribution cavity by rotary switch 2, gas source 3 is connected with the inlet chamber of manual control part 1, air distribution cavity is provided with three gas outlets, wherein on first gas outlet, be provided with on switch A, second gas outlet switch B is installed, the 5th gas outlet is directly connected with the 5th gas circuit 16, the break-make that switch C controls the 3rd gas circuit 11, the 4th gas circuit 13 is also installed in addition, and the 3rd gas circuit 11, the 4th gas circuit 13 separate with air distribution cavity.The break-make of switch A, switch B, switch C is controlled by rotary switch 2, the gas outlet that it is characterized in that described switch A is connected with the air inlet of the first pressure maintaining valve 5 by the first gas circuit 4, the gas outlet of the first pressure maintaining valve 5 is connected with high heating value long flame burner 6, the gas outlet of switch B is connected with automatically controlled one-in-and-two-out switch 8 air inlets by the second gas circuit 7, one in two gas outlets of automatically controlled one-in-and-two-out switch 8 is connected with the air inlet of the second pressure maintaining valve 9 by the 7th gas circuit 24, the air inlet of another gas outlet by the 6th gas circuit 23 and the first pressure maintaining valve 5 also connects, the gas outlet of the second pressure maintaining valve 5 is connected with low heat value long flame burner 10, thermo-generator electrical connection is installed on the magnetic valve of automatically controlled one-in-and-two-out switch 8 and high heating value long flame burner 6, a gas outlet of switch C is connected with the 3rd gas circuit 11, in the 3rd gas circuit 11, barrier film voltage limiter 12 is installed, the gas outlet of the back pressure cavity of barrier film voltage limiter 12 by the 8th gas circuit 25 and the first pressure maintaining valve 5 also connects, another gas outlet of switch C is connected with the 4th gas circuit 13, the four or three gas circuit 13 is connected with the air inlet of the second diaphragm valve 14, the gas outlet of the second diaphragm valve 14 is connected with high heating value nozzle 15, and the back pressure cavity of the second diaphragm valve 14 is connected with the first gas circuit 14, the gas outlet of the 5th gas circuit 16 is connected with the air inlet of the first diaphragm valve 17, and the gas outlet of the first diaphragm valve 17 is connected with the 4th gas circuit 13 and low heat value nozzle 18 respectively, between the gas outlet of barrier film voltage limiter 12 and the air inlet of the first diaphragm valve 17, be connected with miniflow gas circuit 19, between miniflow gas circuit 19 and the back pressure cavity of the first diaphragm valve 17, be connected with the tenth gas circuit 20.Described high heating value long flame burner 6 and the thermocouple of low heat value long flame burner 10 are all electrically connected with the security solenoid valve 21 being arranged in manual control part 1 inlet chamber.As shown in Fig. 6-11.
While just accessing respectively (Fig. 6) before low heat value source of the gas igniting, igniting (Fig. 7) and work below before the combustion gas trend of (Fig. 8) and the igniting of access high heating value source of the gas (Fig. 9), igniting (Figure 10) and while working the combustion gas of (Figure 11) move towards to be further described.
As shown in Figure 6.The combustion gas of access is NG(natural gas, belongs to fuel gas with low heat value), now in OFF shelves.Now by security solenoid valve 21, combustion gas gas circuit is closed.
As shown in Figure 7.1, turn-knob 2 is threaded to " PILOT " shelves and presses, and valve rod backs down security solenoid valve 21, and Simultaneous Switching A, switch B open, and switch C still closes.(switch A and switch B control valve pocket to the gas path on-off of gas circuit 1 and 2, and switch C controls the break-make between gas circuit 3 and gas circuit 4, and cuts off all the time between valve pocket)
2, keep turn-knob 2 to press, now combustion gas is through first gas circuit 4 → the first pressure maintaining valve 5 → LPG long flame burners 6; The second gas circuit 7 → automatically controlled one-in-and-two-out switch 8 → the second pressure maintaining valve 9 → NG long flame burners 10.Now give two long flame burner igniting, because NG is through LPG long flame burner, AIR Proportional surpasses inflammability limit will not lighted, and thermo-generator does not produce electromotive force, and automatically controlled one-in-and-two-out switch 8 keeps original state; NG long flame burner is by normal combustion.
3, now, although the 5th gas circuit 16 has combustion gas, but because the 3rd gas circuit 11 and the 4th gas circuit 13 are obstructed, miniflow gas circuit 9 and the tenth gas circuit 20 are by the barrier film top and bottom pressure balance of the first diaphragm valve 17, the first diaphragm valve 17 keeps closed condition, the second diaphragm valve 14 will not have combustion gas yet, so there is no combustion gas in main burner 22.
As shown in Figure 8, when knob 2 is upspring and be threaded to ON shelves:
1, because ever-burning flame has burnt a period of time, thermocouple produces thermoelectrical potential and acts on security solenoid valve 21, and security solenoid valve 21 in opened condition.Turn-knob be threaded to ON shelves now rebounds.Now switch B and switch C open, and switch A disconnects.
2, the first gas circuit 4 fuel gas shutoffs now, LPG long flame burner no longer includes combustion gas.Combustion gas is through the second gas circuit 7 → automatically controlled one-in-and-two-out switch 8 → seven gas circuit 24 → the second pressure maintaining valve 9 → NG long flame burners 10, so NG long flame burner 10 is the state of catching fire.Thermocouple produces electromotive force and makes security solenoid valve 21 in opened condition.
3, in the 5th gas circuit 16, there is combustion gas, the 3rd gas circuit 11 and the 4th gas circuit 13 conductings, the acting in conjunction of barrier film voltage limiter 12 and the first diaphragm valve 17 makes the pressure stability of the first diaphragm valve 17 outlets a definite value.(control procedure: the diaphragm upper end of barrier film voltage limiter is subject to spring action, pressure when below lifts while increasing, when pressure is greatly closed condition when setting value, once close, miniflow gas circuit 19 is by the upper pressure balance of the first diaphragm valve 17, the first diaphragm valve 17 is closed, pressure decreased, barrier film voltage limiter 12 moves down at spring action spool, open, on the diaphragm of the first diaphragm valve 17, end pressure is through the tenth gas circuit 20 pressure releases, and the first diaphragm valve 17 is opened again), the outlet of the first diaphragm valve 17 is identical with nozzle 18, nozzle 18 just had certain pressure combustion gas ejection.
4, the outlet of the first diaphragm valve 17 is also communicated with the second diaphragm valve 14, due to switch, A closes, the barrier film upper end passage of the second diaphragm valve 14 communicates with atmosphere through pressure maintaining valve 5 → LPG ever-burning flame nozzle 6, so as long as will lift barrier film when there is the combustion gas of certain pressure barrier film lower end, conducting combustion gas will have nozzle 18 and nozzle 15 that combustion gas is provided jointly during to now main burner work of nozzle 15..
5, now system works at NG state.During operation, if there is fortuitous event to extinguish as strong wind, anoxic etc. can cause NG ever-burning flame flare, thermocouple no longer produces thermoelectrical potential, and security solenoid valve discharges, and closes gas circuit, and gas apparatus quits work.
As shown in figure 11, when the combustion gas of access is LPG, knob 2 is in ON shelves.
1, ever-burning flame is after burning a period of time, and thermocouple produces thermoelectrical potential and acts on security solenoid valve 21, and security solenoid valve 21 in opened condition.Turn-knob 2 be threaded to ON shelves now rebounds.Now switch B and switch C open, and switch A disconnects.
2, the first gas circuit 4 fuel gas shutoffs now, NG long flame burner 10, because the state of automatically controlled one-in-and-two-out switch 8 changes, extinguishes thereby no longer include combustion gas.Combustion gas is through the second gas circuit 7 → automatically controlled one-in-and-two-out switch 8 → six gas circuit 23 → the first pressure maintaining valve 5 → LPG long flame burners 6, so LPG long flame burner 6 is the state of catching fire.Thermocouple produces electromotive force and makes security solenoid valve 21 in opened condition.
3, the 5th gas circuit 16 has combustion gas, the 3rd gas circuit 11 and the 4th gas circuit 13 conductings, and the acting in conjunction of barrier film voltage limiter 12 and the first diaphragm valve 17 makes the pressure stability of the first diaphragm valve 17 outlets a definite value.(the diaphragm upper end of barrier film voltage limiter 12 is subject to the acting in conjunction of spring and the 8th gas circuit 25 gaseous-pressures, pressure when below lifts while increasing, when pressure is greatly closed condition when setting value, once close, miniflow gas circuit 19 is by the upper pressure balance of the first diaphragm valve 17, the first diaphragm valve 17 is closed, pressure decreased, barrier film voltage limiter 12 moves down at the acting in conjunction spool of spring and the 8th gas circuit 25 gaseous-pressures, open, on the diaphragm of the first diaphragm valve 17, end pressure is through the tenth gas circuit 20 pressure releases, and the first diaphragm valve 17 is opened again.Because the closing presure of barrier film voltage limiter 12 is subject to the acting in conjunction of spring and the 8th gas circuit 25 gaseous-pressures, so the pressure of the first diaphragm valve 17 output is pressure while being greater than NG duty), the outlet of the first diaphragm valve 17 is identical with nozzle 18, and nozzle 18 has just had the combustion gas ejection of certain pressure.
4, the outlet of the first diaphragm valve 17 is also communicated with the second diaphragm valve 14, due to switch, A closes, the barrier film upper end passage of the second diaphragm valve 14 is identical with the combustion gas in valve pocket through the 6th gas circuit 23 → automatically controlled one-in-and-two-out switch 8 → the second gas circuits 7, so, the pressure of barrier film upper end is the pressure that is greater than barrier film below, so be closed condition, nozzle 15 does not have fuel gas supply. during now main burner work, only have nozzle 18 that combustion gas is provided.
5, now system works at LPG state.During operation, if there is fortuitous event to extinguish as strong wind, anoxic etc. can cause LPG ever-burning flame flare, thermocouple no longer produces thermoelectrical potential, and security solenoid valve discharges, and closes gas circuit, and gas apparatus quits work.
Structure operation principle of the present utility model further illustrates method of the present utility model below:
1, two long flame burners are installed in gas utensil, be respectively high heating value long flame burner 6 and low heat value long flame burner 10, before the logical combustion gas of main burner 22, first give the logical combustion gas of two long flame burners igniting, the status information of catching fire that obtains ever-burning flame (can adopt photoelectric detection method, thermocouple method, HPLC-ION etc., the present embodiment be take thermocouple as example), according to the information system identification combustion gas classification of catching fire, the duty of change system (is adjusted gaseous-pressure automatically, close the long flame burner of non-correspondence, change the cross-section area of nozzle at main burner place etc.), then the logical upper combustion gas work of catching fire to main burner.As shown in Figure 1.
2, long flame burner is mainly partly comprised of nozzle, primary air entrance, port etc., and as shown in Figure 2,3, the combustion gas of nozzle ejection is brought air into from primary air entrance and mixed, and at port place, burns.
3, after long flame burner structure is decided, the ratio that the combustion gas at port place mixes with air is exactly certain.In addition, combustion gas is caught fire must be in " concentration limit of ignition flame ", and general, the combustion gas of high heating value needs air many, and low-calorie combustion gas needs air capacity few.If the mixed AIR Proportional of combustion gas primary air is too high, combustion gas is not lighted.So when the combustion gas of system access high heating value passes into gas ignition also to two long flame burners, two ever-burning flames are all lighted (when the long flame burner of fuel gas with low heat value is passed through in high heating value combustion gas, although gas concentration is higher at burner outlet place, but carry out auxiliary air mixing because contact with atmosphere, so can be lighted), as shown in Figure 4, when system is connected fuel gas with low heat value and is passed into gas ignition to long flame burner, because AIR Proportional after the long flame burner mixing corresponding to high heating value combustion gas is too high, surpass inflammability limit, do not lighted.So only the long flame burner of fuel gas with low heat value is lighted, as shown in Figure 5.
The information of 4, whether being lighted at ignition phase according to " high heating value long flame burner ", which kind of combustion gas what can judgement system pass into is, and the duty of automatic adjustment system.
If lighted, be the combustion gas of high heating value, system changes to needed gaseous-pressure, dwindles the sectional area of the nozzle of main burner, and cuts off the combustion gas of leading to low heat value long flame burner, then passes into combustion gas work to main burner.
If do not lighted, be low-calorie combustion gas, system changes to needed gaseous-pressure, increases the sectional area of the nozzle of main burner, and cuts off the combustion gas of leading to high heating value long flame burner, then passes into combustion gas work to main burner.
The gas utensil control mode of main flow mainly contains manual control, control automatically, temperature control type control etc. at present.These control modes can, in conjunction with the content of this patent, form the double-source gas control system of single access port.Be below example division, example combustion gas is LPG(high heating value) and NG(low heat value).
5, double-source gas personal control, its operation principle is shown in Fig. 6-11.Illustrated each functional block can concentrate on a valve body, is designed to a kind of combination valve, has used in addition 2 thermocouples in example, also can the position of two long flame burners is close, share a thermocouple.
6, double-source gas electric control system
An example model of electronic control is as Figure 12, and circuit board is collected the signal of telecommunication of two thermocouples, controls the action of magnetic valve 1, magnetic valve 2, magnetic valve 3, magnetic valve 4, magnetic valve 5 and synchronous motor.
6.1 first circuit board control magnetic valve 1; connect gas circuit, LPG long flame burner and NG long flame burner are lighted a fire, if the thermocouple at LPG long flame burner place has the signal of telecommunication simultaneously; that judgement system is used is LPG, and circuit board is controlled magnetic valve 5 disconnection gas circuits; Control magnetic valve 3 and disconnect gas circuit, make nozzle 15 not lead to combustion gas; Control synchronous motor and control barrier film voltage limiter, make the operating pressure of main burner adapt to the needs that LPG burns.Now circuit is controlled magnetic valve 2 again, connects the gas circuit of main burner, makes gas utensil work.
6.2 circuit boards are controlled magnetic valve 1; connect gas circuit, LPG long flame burner and NG long flame burner are lighted a fire, if the thermocouple at LPG long flame burner place does not have the signal of telecommunication in official hour simultaneously; that judgement system is used is NG, and circuit board is controlled magnetic valve 4 disconnection gas circuits; Control magnetic valve 3 and connect gas circuit, make nozzle 15 can lead to combustion gas; Control synchronous motor and control barrier film voltage limiter, make the operating pressure of main burner adapt to the needs that NG burns.Now circuit is controlled magnetic valve 2 again, connects the gas circuit of main burner, makes gas utensil work.
After the normal work of 6.3 gas utensils, if while there is strong wind or anoxic, ever-burning flame is extinguished, thermocouple 1 does not all have the signal of telecommunication with thermocouple 2, and now circuit board shut electromagnetic valve 1, closes whole gas circuit gas utensil is quit work.
7, the temperature controlled control system of double-source gas band.
During concrete enforcement, manual control part of the present utility model also can adopt temperature control system to replace, and temperature control system is mainly a temperature sensitive member, reaches the gas circuit of closing main burner after the temperature of setting, the gas circuit that reopens main burner after temperature declines, makes it to resume work.
In the temperature controlled control system of dual gas supply band, be also first to the ever-burning flame of two kinds of combustion gas, to ventilate, according to the state of catching fire, obtain the information of catching fire, change break-make and the gaseous-pressure of each gas circuit, its principle and manual control system are similar, repeat no more.
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Claims (2)
1. a single gas source interface dual gas supply automatic recognition system, comprise manual control part (1), manual control part (1) is divided into inlet chamber and air distribution cavity by rotary switch (2), gas source (3) is connected with the inlet chamber of manual control part (1), air distribution cavity is provided with three gas outlets, wherein on first gas outlet, switch A is installed, on second gas outlet, switch B is installed, the 3rd gas outlet is directly connected with the 5th gas circuit (16), the break-make that switch C controls the 3rd gas circuit (11) and the 4th gas circuit (13) is also installed in addition, the 3rd gas circuit (11), the 4th gas circuit (13) separates with air distribution cavity, the break-make of switch A, switch B, switch C is controlled by rotary switch (2), the gas outlet that it is characterized in that described switch A is connected with the air inlet of the first pressure maintaining valve (5) by the first gas circuit (4), the gas outlet of the first pressure maintaining valve (5) is connected with high heating value long flame burner (6), the gas outlet of switch B is connected with automatically controlled one-in-and-two-out switch (8) air inlet by the second gas circuit (7), one in two gas outlets of automatically controlled one-in-and-two-out switch (8) is connected with the air inlet of the second pressure maintaining valve (9), the air inlet of another and the first pressure maintaining valve (5) also connects, the gas outlet of the second pressure maintaining valve (5) is connected with low heat value long flame burner (10), thermo-generator electrical connection is installed on the magnetic valve of automatically controlled one-in-and-two-out switch (8) and high heating value long flame burner (6), a gas outlet of switch C is connected with the 3rd gas circuit (11), in the 3rd gas circuit (11), barrier film voltage limiter (12) is installed, the gas outlet of the back pressure cavity of barrier film voltage limiter (12) and the first pressure maintaining valve (5) also connects, another gas outlet of switch C is connected with the 4th gas circuit (13), the 4th gas circuit (13) is connected with the air inlet of the second diaphragm valve (14), the gas outlet of the second diaphragm valve (14) is connected with high heating value nozzle (15), and the back pressure cavity of the second diaphragm valve (14) is connected with the first gas circuit (14), the gas outlet of the 5th gas circuit (16) is connected with the air inlet of the first diaphragm valve (17), and the gas outlet of the first diaphragm valve (17) is connected with the 4th gas circuit (13) and low heat value nozzle (18) respectively, between the gas outlet of barrier film voltage limiter (12) and the air inlet of the first diaphragm valve (17), be connected with miniflow gas circuit (19), between miniflow gas circuit (19) and the back pressure cavity of the first diaphragm valve (17), be connected with the tenth gas circuit (20).
2. system according to claim 1, is characterized in that the thermocouple of described high heating value long flame burner (6) and low heat value long flame burner (10) is all electrically connected with the security solenoid valve (21) being arranged in manual control part (1) inlet chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766474.8U CN203560925U (en) | 2013-11-29 | 2013-11-29 | Single-gas-source-connection dual-gas-source automatic identifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766474.8U CN203560925U (en) | 2013-11-29 | 2013-11-29 | Single-gas-source-connection dual-gas-source automatic identifying system |
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| Publication Number | Publication Date |
|---|---|
| CN203560925U true CN203560925U (en) | 2014-04-23 |
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| CN201320766474.8U Expired - Lifetime CN203560925U (en) | 2013-11-29 | 2013-11-29 | Single-gas-source-connection dual-gas-source automatic identifying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615737A (en) * | 2013-11-29 | 2014-03-05 | 产平霞 | Automatic single-gas-source connector and dual-gas-source connector recognizing method and system |
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2013
- 2013-11-29 CN CN201320766474.8U patent/CN203560925U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615737A (en) * | 2013-11-29 | 2014-03-05 | 产平霞 | Automatic single-gas-source connector and dual-gas-source connector recognizing method and system |
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