CN104913302B - Safety-type dual gas supply control system - Google Patents
Safety-type dual gas supply control system Download PDFInfo
- Publication number
- CN104913302B CN104913302B CN201510334444.3A CN201510334444A CN104913302B CN 104913302 B CN104913302 B CN 104913302B CN 201510334444 A CN201510334444 A CN 201510334444A CN 104913302 B CN104913302 B CN 104913302B
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- gas
- valve
- low heat
- firing device
- high heating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/005—Regulating fuel supply using electrical or electromechanical means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The present invention relates to gas combustion apparatus, especially safety-type dual gas supply control system.Safety-type dual gas supply control system, including low heat value pressure maintaining valve, high heating value pressure maintaining valve and switching control pilot, low heat value pressure maintaining valve, high heating value pressure maintaining valve is connected with switching control pilot, switching control pilot has tow channel gas output, it is all the way the gas that ignites, it is in addition main gas circuit all the way, the gas that ignites leads to corresponding gas ignition device after gas kind converter, gas ignition device is divided into high heating value gas ignition device and fuel gas with low heat value firing device, main gas circuit enters main burner and in its surface combustion by adjustable nozzle, the sectional area of adjustable nozzle is controlled by gas kind converter, magnetic valve in switching control pilot and the circuit connection of the thermocouple on gas ignition device are bullied kind of converter control and to be connected with corresponding thermocouple.Usefulness of the present invention：In wrong situation also without potential safety hazard, it is ensured that the safety that user uses.
Description
Technical field
The present invention relates to gas combustion apparatus, especially safety-type dual gas supply control system.
Background technology
Have various gas supply, such as liquefied gas, natural gas on the market at present, corresponding gas utensil be also classified into liquefied gas and
Natural gas etc., because the characteristic of various combustion gas is different（Such as calorific value）, combustion gas used in gas utensil is corresponding can not use mistake, still
Because the gas utensil of the spray nozzle of gas kitchen ranges bore relative usage high heating value combustion gas using fuel gas with low heat value is larger, so low when using
The gas utensil of calorific value fuel gas（Such as：Natural Gas has）Misconnection has entered the combustion gas of high heating value（Such as：LNG gasifaction）When, gas utensil
Caused flame can be very high, then can produce danger.
The content of the invention
In order to solve the technical problem of above-mentioned gas utensil and combustion gas wrong, the present invention provides safety-type dual gas supply control system
System.
Technical scheme is as follows：
Safety-type dual gas supply control system, including low heat value pressure maintaining valve, high heating value pressure maintaining valve and switching control pilot, low heat value
Pressure maintaining valve, high heating value pressure maintaining valve are connected with switching control pilot, and switching control pilot has tow channel gas output, are all the way the gas that ignites, in addition
It is all the way main gas circuit, the gas that ignites leads to corresponding gas ignition device after gas kind converter, and gas ignition device is divided into height
Calorific value fuel gas firing device and fuel gas with low heat value firing device, main gas circuit enter main burner and on its surface by adjustable nozzle
Burning, it is adjustable
The sectional area of nozzle is controlled by gas kind converter, the heat on magnetic valve and gas ignition device in switching control pilot
The circuit of galvanic couple connects kind of converter of being bullied and controls and connected with corresponding thermocouple.
The fuel gas with low heat value firing device includes induction tunnel, ignition electrode, thermoelectric conversion device, has air on induction tunnel
Window, there is gas nozzle inside induction tunnel, combustion gas by gas nozzle spray space-time transom window can produce negative-pressure ejecting enter it is a certain amount of
Air is sprayed after being mixed with combustion gas in induction tunnel by the spout on induction tunnel, and lighting after-combustion through ignition electrode forms the fire that ignites
Flame, thermoelectric conversion device are connected with the magnetic valve in switch valve, the company of the magnetic valve in the thermoelectric conversion device and switch valve
Connect connected on circuit closed type temperature switch or open type temperature switch in parallel.
The gas kind converter includes valve body, and the valve body left end is provided with adjustable nozzle, is provided among adjustable nozzle inwall
Jet hole, primary air inlet, low heat value firing device gas outlet are provided with the right side of adjustable nozzle, high heating value firing device gas outlet, is drawn
Fiery device gas circuit air inlet, valve body right part are provided with valve seat, and valve seat right part inwall is slided and is provided with rotary knob rod, and rotary knob rod left part is provided with down
Valve rod, is provided with valve element in valve seat, and valve element centre outer wall is provided with notch, and rotational valve core causes notch to be respectively communicated with low heat value and ignite dress
Gas outlet, high heating value firing device gas outlet and firing device gas circuit air inlet are put, valve element right part is provided with housing, and housing is provided with connection
Dynamic notch, rotary knob rod middle part are provided with pushing block, and compression spring is provided between pushing block and valve element, and pushing block sticks into linkage notch band
Movable valve plug rotates together, and so as to carry out the switching of the gas circuit of high heating value combustion gas and fuel gas with low heat value, while lower valve rod passes through left/right rotation
It is dynamic to change the distance between jet hole, correspond to net sectional area needed for high and low calorific value fuel gas so as to have adjusted jet hole.
Microswitch is installed, pushing block can touch microswitch in specific gear, on microswitch on the valve seat
It is respectively equipped with the heat conversion device circuit of high heating value firing device, the heat conversion device circuit of low heat value firing device and switch valve
In magnetic valve circuit.
The notch is arc, and low heat value firing device gas outlet and high heating value firing device gas outlet are in same straight line
On, firing device gas circuit air inlet is located at the Vertical Square of low heat value firing device gas outlet and high heating value firing device gas outlet
To.
The lower valve rod bottom is taper.
The lower valve rod bottom is cylinder, and cylinder and lower valve rod have inclined plane, and body diameter is less than the diameter of lower valve rod.
The lower valve rod bottom is cylinder, and adjustable nozzle is provided with multiple jet holes, and cylindrical outer wall carries O-ring.
The lower valve rod bottom is taper, and adjustable nozzle is provided with multiple jet holes.
The rotary knob rod carries out cutting for high and low calorific value fuel gas and nozzle net sectional area by way of left rotation and right rotation
Change, or moved forward and backward by rotary knob rod to realize switching.
Using technical scheme, high low heat value firing device gas circuit can be switched, while adjust adjustable nozzle
The net sectional area of installing port, combustion gas environment is changed, safety coefficient is higher, and easy to operation, convenient real
With, and in wrong situation also without potential safety hazard, it is ensured that the safety that user uses.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2,3,5,6 are the structural representations of the present invention；
Fig. 4 is the cross-sectional view of Fig. 3 B-B directions；
Fig. 7 is the structural representation of part of the present invention；
Fig. 8 be Fig. 3 A-A to cross-sectional view；
Fig. 9,10 be embodiment 1 structural representation；
Figure 11,12 be embodiment 2 structural representation；
Figure 13,14 be embodiment 3 structural representation；
Figure 15,16 be embodiment 4 structural representation；
Figure 17,18,21 are the structural representations of fuel gas with low heat value firing device of the present invention；
Figure 19,20 be the embodiment of the present invention 5 structural representation；
Figure 22,23 are two states figures of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
Safety-type dual gas supply control system as shown in Figure 1, including low heat value pressure maintaining valve 21, the and of high heating value pressure maintaining valve 22
Switching control pilot 23, low heat value pressure maintaining valve 21, high heating value pressure maintaining valve 22 are connected with switching control pilot 23, and switching control pilot 23 has two
Road gas output, is all the way the gas that ignites, is all the way in addition main gas circuit, and the gas that ignites leads to corresponding combustion gas after gas kind converter and drawn
Fiery device, gas ignition device are divided into high heating value gas ignition device 25 and fuel gas with low heat value firing device 26, and main gas circuit is passed through
It is adjustable
Nozzle 6 enters main burner and is controlled, opened by gas kind converter in its surface combustion, the sectional area of adjustable nozzle 6
Close the magnetic valve in control valve 23 and the thermocouple on gas ignition device circuit connection be bullied the control of kind of converter and with phase
The thermocouple connection answered.
As shown in Figure 17,18,21, the fuel gas with low heat value firing device includes induction tunnel 31, ignition electrode 32, heat to electricity conversion
Device 33, there is free transom window 36 on induction tunnel 31, have gas nozzle 38 inside induction tunnel 31, when combustion gas is sprayed by gas nozzle 38
Air window 36 can produce negative-pressure ejecting and enter after a certain amount of air mixes with combustion gas in induction tunnel 31 by induction tunnel 31
Spout sprays, and lighting after-combustion through ignition electrode 32 forms pilot flame, and thermoelectric conversion device 33 connects with the magnetic valve in switch valve
Connect, closed type temperature switch of being connected on the connection circuit of the thermoelectric conversion device 33 and the magnetic valve in switch valve, high heating value
Gas ignition device 25 is plain edition gas ignition device, and connected unlike fuel gas with low heat value firing device does not have on circuit
Series connection closed type temperature switch or open type temperature switch in parallel.
As shown in Fig. 2,3,4,5,6,8,9,10, the gas kind converter, including valve body 2, the left end of valve body 2 is provided with can
Nozzle 6 is adjusted, is provided with jet hole 11 among the inwall of adjustable nozzle 6, the right side of adjustable nozzle 6 is ignited dress provided with primary air inlet 7, low heat value
Gas outlet 8, high heating value firing device gas outlet 9, firing device gas circuit air inlet 10 are put, the right part of valve body 2 is provided with valve seat 3, valve seat 3
Right part inwall slides and is provided with rotary knob rod 5, and the left part of rotary knob rod 5 is provided with lower valve rod 1, and the bottom of lower valve rod 1 is taper, in valve seat 3
Provided with valve element 12,12 middle outer wall of valve element is provided with notch 13, and rotational valve core 12 causes notch 13 to be respectively communicated with low heat value and ignite dress
Gas outlet 8, high heating value firing device gas outlet 9 and firing device gas circuit air inlet 10 are put, the right part of valve element 12 is provided with housing 16, shell
Body 16 is provided with linkage notch 17, and the middle part of rotary knob rod 5 is provided with pushing block 18, compression spring is provided between pushing block 18 and valve element 12,
Pushing block 18 sticks into linkage notch 17 and rotated together with movable valve plug 12, so as to carry out the gas circuit of high heating value combustion gas and fuel gas with low heat value
Switching, while lower valve rod 1 changes the distance between jet hole 11 by left-right rotation, so as to have adjusted the correspondence of jet hole 11
Net sectional area needed for high and low calorific value fuel gas.
Microswitch 4 is installed, pushing block 18 can touch microswitch 4 in specific gear, and fine motion is opened on the valve seat 3
Close 4 on be respectively equipped with the heat conversion device circuit of high heating value firing device, the heat conversion device circuit of low heat value firing device and
Magnetic valve circuit in switch valve, the rotary knob rod 5 carries out high and low calorific value fuel gas and nozzle by way of left rotation and right rotation to be had
The switching of sectional area is imitated, or is moved forward and backward by rotary knob rod 5 to realize switching.
The notch 13 is arc, low heat value firing device gas outlet 8 and high heating value firing device gas outlet 9 with always
On line, firing device gas circuit air inlet 10 is located at hanging down for low heat value firing device gas outlet 8 and high heating value firing device gas outlet 9
Nogata to.
In use, the combustion gas of low heat value, in low heat value gear, combustion gas enters through low heat value pressure maintaining valve 21 opens gas kind converter
Control valve 23 is closed, the entrance of high heating value pressure maintaining valve is blocked, and switching control pilot 23 has tow channel gas outlet, gas circuit of igniting and main gas circuit,
Gas circuit of igniting enters fuel gas with low heat value firing device 26, that is, safety-type fuel gas with low heat value firing device through gas kind converter,
Closed type temperature switch is located near ignitron, and when accessing correct combustion gas, pilot flame does not influence temperature switch, when user is by height
The combustion gas of calorific value（Such as liquefied gas）The gas utensil of fuel gas with low heat value should be used by having tapped into（As Natural Gas has）When, flame compared with
Grow and influence whether temperature switch, now the working condition of temperature switch can change, in normally open, so as to be disconnected
Thermoelectric conversion device is connected circuit with magnetic valve in switch valve, prevents gas circuit from normally opening, gas utensil cisco unity malfunction, from
And safety is ensure that, main gas circuit passes through adjustable nozzle 6（Now the cross-section area of nozzle is relatively large）, the bottom cone of lower valve rod 1
Divide away from the adjustable nozzle 6 installed, increase the net sectional area of adjustable flow passage, meanwhile, rotary knob rod 5 touches fine motion
Switch 4, makes the solenoid valve conduction in the thermoelectric conversion device and switch valve on low heat value firing device, the gas that ignites enters main burning
Device 24 and in its surface combustion, circuit, the magnetic valve in switch valve fire by microswitch on gas kind converter and low heat value
Thermocouple on gas firing device is connected；System access be high heating value combustion gas, gas kind converter is in high heating value gear, combustion gas
Through the access switch control valve 23 of high heating value pressure maintaining valve 22, the entrance of low heat value pressure maintaining valve is blocked, and switching control pilot 23 has tow channel gas
Outlet, gas circuit of igniting and main gas circuit, gas circuit of igniting enter high heating value gas ignition device through gas kind converter, and main gas circuit is passed through can
Adjust nozzle（Now adjustable nozzle sectional area is relatively small）Into main burner and in its surface combustion, circuit, in switch valve
Magnetic valve be connected by microswitch on gas kind converter with the thermocouple on high heating value gas ignition device.
Embodiment 2
As shown in Figure 11,12, the present embodiment bottom of lower valve rod 1 unlike embodiment 1 is cylinder, cylinder and
Lower valve rod
1 has inclined plane, and body diameter is less than the diameter of lower valve rod 1, switches gear, cylinder when being passed through fuel gas with low heat value
Depart from adjustable nozzle 6, during high heating value gear, cylinder is fully inserted into adjustable nozzle 6, is become adjustable nozzle 6 and is circularized, effectively
Sectional area is reduced.
Embodiment 3
As shown in Figure 13,14, the present embodiment bottom of lower valve rod 1 unlike embodiment 1 is cylinder, adjustable
Nozzle 6 is provided with multiple jet holes 11, and cylindrical outer wall carries O shape circles, and during low heat value gear, lower valve rod 1 departs from adjustable nozzle 6,
During high heating value gear, the lower end cylinder of lower valve rod 1 fills in jet hole 11, so as to reduce total cross-section area of nozzle.
Embodiment 4
As shown in Figure 15,16, the present embodiment bottom of lower valve rod 1 unlike embodiment 1 is taper, adjustable spray
Mouth 6 is provided with multiple jet holes 11, and during low heat value gear, lower valve rod 1 departs from adjustable nozzle 6, during high heating value gear, lower valve rod 1
Lower end cone seal jet hole 11, so as to reduce total cross-section area of nozzle.
Embodiment 5
As shown in Figure 19,20, the present embodiment is as different from Example 1 in the thermoelectric conversion device 3 and switch valve
Open type temperature switch in parallel on the connection circuit of magnetic valve, when misconnection during the combustion gas of high heating value, by the shadow of the longer fire that ignites
Temperature switch is in closure state after sound, by the short circuit of thermoelectric conversion device, so that the magnetic valve in switch valve disconnects, from
And equally make gas utensil cisco unity malfunction, it is ensured that safety.
Claims (6)
1. safety-type dual gas supply control system, including low heat value pressure maintaining valve（21）, high heating value pressure maintaining valve（22）And switching control pilot
（23）, low heat value pressure maintaining valve（21）, high heating value pressure maintaining valve（22）With switching control pilot（23）Connection, switching control pilot（23）Have two
Road gas output, is all the way the gas that ignites, is all the way in addition main gas circuit, and the gas that ignites leads to corresponding combustion gas after gas kind converter and drawn
Fiery device, gas ignition device are divided into high heating value gas ignition device（25）With fuel gas with low heat value firing device（26）, main gas circuit
By adjustable nozzle（6）Into main burner and in its surface combustion, adjustable nozzle（6）Sectional area by gas kind converter control
System, switching control pilot（23）In magnetic valve and gas ignition device on the circuit connection of thermocouple be bullied the control of kind of converter
And connected with corresponding thermocouple, the fuel gas with low heat value firing device includes induction tunnel（31）, ignition electrode（32）, heat to electricity conversion
Device（33）, induction tunnel（31）On be free transom window（36）, induction tunnel（31）There is gas nozzle inside（38）, combustion gas passes through gas injection
Mouth（38）Spray space-time transom window（36）Negative-pressure ejecting can be produced and enter a certain amount of air with combustion gas in induction tunnel（31）After interior mixing
Pass through induction tunnel（31）On spout spray, through ignition electrode（32）Light after-combustion and form pilot flame, thermoelectric conversion device
（33）It is connected with the magnetic valve in switch valve, the thermoelectric conversion device（33）On the connection circuit of the magnetic valve in switch valve
Series connection closed type temperature switch or open type temperature switch in parallel, the gas kind converter include valve body（2）, the valve body（2）
Left end is provided with adjustable nozzle（6）, adjustable nozzle（6）Jet hole is provided among inwall（11）, adjustable nozzle（6）Right side is provided with master and entered
Gas port（7）, low heat value firing device gas outlet（8）, high heating value firing device gas outlet（9）, firing device gas circuit air inlet
（10）, valve body（2）Right part is provided with valve seat（3）, valve seat（3）Right part inwall slides and is provided with rotary knob rod（5）, rotary knob rod（5）Left part is set
There is lower valve rod（1）, valve seat（3）It is interior to be provided with valve element（12）, valve element（12）Middle outer wall is provided with notch（13）, rotational valve core（12）Make
Obtain notch（13）It is respectively communicated with low heat value firing device gas outlet（8）, high heating value firing device gas outlet（9）With firing device gas
Road air inlet（10）, valve element（12）Right part is provided with housing（16）, housing（16）Provided with linkage notch（17）, rotary knob rod（5）Middle part
Provided with pushing block（18）, pushing block（18）And valve element（12）Between be provided with compression spring, pushing block（18）Stick into linkage notch
（17）Band movable valve plug（12）Rotate together, so as to carry out the switching of the gas circuit of high heating value combustion gas and fuel gas with low heat value, while lower valve rod
（1）Changed by left-right rotation and jet hole（11）The distance between, so as to have adjusted jet hole（11）Corresponding high and low calorific value
Net sectional area needed for combustion gas, the valve seat（3）On microswitch is installed（4）, pushing block（18）Can in specific gear
Touch microswitch（4）, microswitch（4）On be respectively equipped with the heat conversion device circuit of high heating value firing device, low heat value is drawn
Magnetic valve circuit in the heat conversion device circuit and switch valve of fiery device, the rotary knob rod（5）By way of left rotation and right rotation
The switching of high and low calorific value fuel gas and nozzle net sectional area is carried out, or passes through rotary knob rod（5）Move forward and backward to realize switching.
2. safety-type dual gas supply control system according to claim 1, it is characterised in that：The notch（13）For arc,
Low heat value firing device gas outlet（8）With high heating value firing device gas outlet（9）On the same line, firing device gas circuit air inlet
Mouthful（10）Positioned at low heat value firing device gas outlet（8）With high heating value firing device gas outlet（9）Vertical direction.
3. safety-type dual gas supply control system according to claim 1, it is characterised in that：The lower valve rod（1）Bottom is
Taper.
4. safety-type dual gas supply control system according to claim 1, it is characterised in that：The lower valve rod（1）Bottom is
Cylinder, cylinder and lower valve rod（1）There is inclined plane, body diameter is less than lower valve rod（1）Diameter.
5. safety-type dual gas supply control system according to claim 1, it is characterised in that：The lower valve rod（1）Bottom is
Cylinder, adjustable nozzle（6）Provided with multiple jet holes（11）, cylindrical outer wall carries O-ring.
6. safety-type dual gas supply control system according to claim 1, it is characterised in that：The lower valve rod（1）Bottom is
Taper, adjustable nozzle（6）Provided with multiple jet holes（11）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334444.3A CN104913302B (en) | 2015-06-16 | 2015-06-16 | Safety-type dual gas supply control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334444.3A CN104913302B (en) | 2015-06-16 | 2015-06-16 | Safety-type dual gas supply control system |
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| CN104913302A CN104913302A (en) | 2015-09-16 |
| CN104913302B true CN104913302B (en) | 2017-12-22 |
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| CN201510334444.3A Active CN104913302B (en) | 2015-06-16 | 2015-06-16 | Safety-type dual gas supply control system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222221B (en) * | 2015-11-02 | 2017-09-22 | 广州祈信金属制品有限公司 | The double fuel gas heating apparatus of new type of safe |
| US11085645B2 (en) | 2018-05-31 | 2021-08-10 | Haier Us Appliance Solutions, Inc. | Eductor for a gas cooktop appliance |
| CN108916876A (en) * | 2018-07-05 | 2018-11-30 | 南京锐控机电制造有限公司 | Gas source automatic identification control device and gas source automatic identifying method |
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| US8011920B2 (en) * | 2006-12-22 | 2011-09-06 | David Deng | Valve assemblies for heating devices |
| WO2011156425A2 (en) * | 2010-06-07 | 2011-12-15 | David Deng | Heating system |
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|---|---|---|---|---|
| CN2167287Y (en) * | 1993-05-17 | 1994-06-01 | 盛经纬 | Burner for multi-gas source universal gas range |
| CN2869627Y (en) * | 2005-08-03 | 2007-02-14 | 邱江平 | Timing and over-temperature protecting device of gas range |
| CN203533706U (en) * | 2013-08-19 | 2014-04-09 | 普鲁卡姆电器（上海）有限公司 | Multi-gas-source fuel gas control system |
| 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 |
| CN104089048A (en) * | 2014-06-30 | 2014-10-08 | 宁波朝阳家用燃气具有限公司 | Gas valve capable of conducting two-gas interchange |
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| CN104913302A (en) | 2015-09-16 |
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