CN109058543A - A kind of driving method of gas extinguishing fire protection valve - Google Patents
A kind of driving method of gas extinguishing fire protection valve Download PDFInfo
- Publication number
- CN109058543A CN109058543A CN201810787800.0A CN201810787800A CN109058543A CN 109058543 A CN109058543 A CN 109058543A CN 201810787800 A CN201810787800 A CN 201810787800A CN 109058543 A CN109058543 A CN 109058543A
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- Prior art keywords
- valve
- electric actuator
- lever
- extinguishing fire
- gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The present invention discloses a kind of driving method of gas extinguishing fire protection valve, this method is based on a gas extinguishing fire and protects valve, it includes shell that the gas extinguishing fire, which protects valve, solenoid valve, passive valve, Electric Actuator, Electric Actuator output shaft, lever, the method includes, the solenoid valve and passive valve of series relationship each other is set in shell, all in the state of closing valve before the Electric Actuator pushes lever, the marquis when Electric Actuator forward driving lever opens solenoid valve, the passive valve is closed always, only after Electric Actuator opens solenoid valve, passive valve is just pulled open after being driven in the reverse direction lever a to secure way, fuel gas path is allowed to open, combustion gas, which is able to transport to burner, to be ignited.The driving method of gas extinguishing fire protection valve solve the problems, such as in the prior art because abnormal power-down and safety valve can not normal switching-off cause gas leakage.
Description
Technical field
The present invention relates to the driving method in fuel gas buring security control field more particularly to a kind of gas extinguishing fire protection valve.
Background technique
It is related to the valve with thermocouple flame-out protection device currently on the market, is mostly manual mode, user's screw down valve
Door operating stick go driving open thermocouple solenoid valve, and by the movable iron plate for giving as security solenoid valve by bottom be wound with coil
Fixed patch core fitting, circuit can first supply the electric current of a short time to coil, after allowing user's hand to decontrol, movable iron plate at this time
It can be briefly sucked the state for being fixed on iron core, and keeping valve opening, be waited after being ignited from the combustion gas that valve flows out,
Thermocouple is heated, so that thermocouple is generated electric power to secured core, continues to remain movable iron plate being sucked on secured core and allowing
Blowout protection valve continues starting, to supply the normal combustion of burner.If during this period, flame is blown out, thermocouple is lost
The electric current that heating power generates, then secured core will be unable to that movable iron plate is sucked, and valve will be closed by spring, in the path of closing
In, because user's hand has been moved off the valve rod of press, valve does not have any blocking, and timely closing that can be safe is fired
Gas is not let out into atmosphere, but this manual mode, is opened or touch-control glass panel if to be made into automatically remote control
"smart" products, then need a motor drive to replace manual mode, but with the driving Open valve of motor during,
There is a risks, exactly when motor after opening valve due to mechanism-trouble or power cut-off, cause mandril that can stop
It stays on the access of valve opening and pass valve, so that thermocouple cannot provide continuation and valve is maintained at when flame is not as being ignited
Valve opening state, and when must close valve to guarantee security function, because the mandril of motor valve opening rests on the path for closing valve, and make
At function can not be securely closed, this safety automation is allowed to close the big disadvantage that the function of valve completely loses.
In consideration of it, invent it is a kind of solve when use motor as automatically drive actuator when, in order to prevent motor drive
It is dynamic when opening the safety-valve, due to abnormal power-off, the mandril for opening valve is made to block the Turn Off Path of safety valve and combustion gas is caused to let out
The problem of dew gas extinguishing fire protection valve driving method be in the market there is an urgent need to.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides a kind of driving method of gas extinguishing fire protection valve, solves
In the prior art because abnormal power-down and safety valve can not normal switching-off the problem of causing gas leakage.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of driving method of gas extinguishing fire protection valve, this method are based on a gas extinguishing fire and protect valve, which protects
Protecting valve includes shell, solenoid valve, passive valve, Electric Actuator, Electric Actuator output shaft, lever, which comprises
The solenoid valve and passive valve of series relationship each other is set in shell, before the Electric Actuator pushes lever all
In the state of closing valve, the marquis when Electric Actuator forward driving lever opens solenoid valve, which is closed always,
Only after Electric Actuator opens solenoid valve, passive valve is just pulled open after being driven in the reverse direction lever a to secure way, makes combustion gas logical
Road is opened, and combustion gas, which is able to transport to burner, to be ignited.
Further, the wherein solenoid valve and passive valve of the series relationship each other, the direction of closing valve and combustion gas
Pressure flow direction is identical.
Further, which can make rotary motion or straight linear moves back and forth.
Further, this by lever that Electric Actuator drives, the upper end Xian Ding in positive forward travel holds an advance and fixes
Fulcrum, then lower end is enabled to go to open blowout protection valve, and when the lever is back-driven into and retracts, top can be gone to hold a retrogressing with lower end
Fixed pivot, then upper end is enabled to go to pull open passive valve.
Further, which is in coupling for a movable low-angle with the driven lever, is held when electronic
Row device output shaft is turn state person, as soon as the Electric Actuator output shaft is the structure of screw rod, and the driven lever is in
The internal thread structure of one nut and its connection.
Further, Electric Actuator output shaft tail end penetrates in an axle sleeve of shell, and top is held one and is located at outside shell
Microswitch, when the output shaft of lever and Electric Actuator proceeds to a dead point, can enable output shaft retract press fine motion hold
The contact of pass, and switch switch direction circuit.
Further, in the downstream of the passive valve, it is provided with a current-limiting apparatus, sets up twice separately again in the downstream of current-limiting apparatus
Outlet, and along this current-limiting apparatus is stretched in current limliting when being closely located to very little flow, outlet closing together can be enabled wherein, such as reduced again
Second outlet can be enabled to be also switched off after the flow of current limiter again, a bypass minimum discharge on shell is only stayed to export to second.
Compared with prior art, the present invention provides a kind of electric drive method of gas extinguishing fire protection valve, passes through series connection one
Passive valve is in the downstream in the fuel gas flow direction of solenoid valve, the marquis when Electric Actuator forward driving lever opens solenoid valve,
The passive valve is closed always, only after Electric Actuator opens solenoid valve, is driven in the reverse direction after shouldering to a secure way
Pull open passive valve, the gas extinguishing fire protection valve driving method solve in the prior art because abnormal power-down and safety valve can not
Normal switching-off causes the problem of gas leakage.
Detailed description of the invention
Fig. 1 is the schematic diagram of the initial close valve state for the first embodiment that gas extinguishing fire of the invention protects valve；
Fig. 2 is that gas extinguishing fire of the invention protects the first embodiment of valve to open blowout protection in Electric Actuator forward direction
The schematic diagram of each part displacements state when valve is initial；
Fig. 3 is that gas extinguishing fire of the invention protects the first embodiment of valve to open blowout protection in Electric Actuator forward direction
The schematic diagram of each part displacements state when valve is bonded on earth；
Fig. 4 is that gas extinguishing fire of the invention protects the first embodiment of valve to open blowout protection in Electric Actuator forward direction
Automatically the schematic diagram of the original state of microswitch switching Electric Actuator antiport displacement is opened after valve fitting；
Fig. 5 is that gas extinguishing fire of the invention protects the first embodiment of valve reversely to pull open passive valve work in Electric Actuator
The schematic diagram of each part displacements state when regulatory function；
Fig. 6 is that gas extinguishing fire of the invention protects the first embodiment of valve reversely to pull open passive valve tune in Electric Actuator
Save the schematic diagram of each part displacements state when minimum firepower；
Fig. 7 is the schematic diagram that gas extinguishing fire of the invention protects second of embodiment of valve close valve state at the beginning；
Fig. 8 reversely pulls open passive valve in Electric Actuator for second of embodiment of gas extinguishing fire protection valve of the invention and works as
Close the schematic diagram of each part displacements state when another burner；
Fig. 9 is that gas extinguishing fire of the invention protects second of embodiment of valve reversely to pull open passive valve pass in Electric Actuator
The schematic diagram of each part displacements state when adjusting minimum firepower again is closed after another burner.
Wherein, appended drawing reference:
1 ... shell 2 ... fixed plate
3 ... flameout protection electromagnetic valve 5 ... advance fulcrums
6 ... retreat fulcrum 7 ... microswitch
11 ... line solenoid valve ring supports 12 ... are by magnet absorbing plate
13 ... blowout protection valve plug 14 ... mandrils
21 ... passive valve 22 ... current-limiting apparatus
23 ... passive valve valve rods 231 ... fix retaining ring
24 ... spring 31 ... Electric Actuator
33 ... output rod 41 ... nuts
42 ... lever 43 ... the lever arm of forces
44 ... the lever arm of force 55 ... outer ring valve plugs
81 ... snout cavity 82 ... gas outlets (inner ring)
The outlet of 83 ... by-pass prot 84 ... outer rings
85 ... outer ring valve ports
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The present invention provides a kind of driving method of gas extinguishing fire protection valve, and this method is based on a gas extinguishing fire and protects valve, should
It includes shell, solenoid valve, passive valve, Electric Actuator, Electric Actuator output shaft, lever, the side that gas extinguishing fire, which protects valve,
Method includes:
The solenoid valve and passive valve of series relationship each other is set in shell, before the Electric Actuator pushes lever all
In the state of closing valve, the marquis when Electric Actuator forward driving lever opens solenoid valve, which is closed always,
It only after Electric Actuator opens solenoid valve, is driven in the reverse direction after shouldering to a secure way and just pulls open passive valve, make combustion gas logical
Road is opened, and combustion gas, which is able to transport to burner, to be ignited.
The wherein solenoid valve and passive valve of the series relationship each other, the direction of closing valve and the pressure flow side of combustion gas
To identical.
Wherein the Electric Actuator can make rotary motion or straight linear moves back and forth.
Wherein this by Electric Actuator drive lever in positive forward travel upper end Xian Ding hold an advance fixed pivot,
Lower end is enabled to go to open blowout protection valve again, and when the lever is back-driven into and retracts, top can be gone to hold a retrogressing with lower end and fixed
Fulcrum, then upper end is enabled to go to pull open passive valve.
Wherein the Electric Actuator is in coupling for a movable low-angle with the driven lever, when Electric Actuator is defeated
Shaft is turn state person, as soon as the Electric Actuator output shaft is the structure of screw rod, and the driven lever is in a nut
Internal thread structure and its connection.
Wherein Electric Actuator output shaft tail end penetrates in an axle sleeve of shell, and pushes up and hold a fine motion being located at outside shell
Switch can enable output shaft retract the touching of press microswitch when the output shaft of lever and Electric Actuator proceeds to a dead point
Point, and switch switch direction circuit.
Wherein in the downstream of the passive valve, it is provided with a current-limiting apparatus, sets up twice outlet separately again in the downstream of current-limiting apparatus,
And along this current-limiting apparatus is stretched in current limliting when being closely located to very little flow, outlet closing together can be enabled wherein, such as reduces current limliting again
Second outlet can be enabled to be also switched off after the flow of device again, a bypass minimum discharge on shell is only stayed to export to second.
Below with reference to embodiment, the present invention is described in detail.
As shown in Fig. 1 to 6, valve is protected for the gas extinguishing fire that gas extinguishing fire of the present invention protects the driving method of valve to be based on
The first embodiment, in the present embodiment, referring to attached drawing 1, an Electric Actuator 31 is arranged in the side of shell 1, a solenoid valve
3, it is arranged in the fuel gas inlet chamber 81 of shell 1, the valve plug 13 of solenoid valve 3 closes towards downstream along pressure directions
One valve port, a passive valve 21 is arranged in downstream and leads on the second valve port of gas outlet 82, and closes along pressure directions
Second valve port, lever 42 are gone work positive (turning right) displacement to open blowout protection valve by the driving of 31 output rod 33 of Electric Actuator
Plug 13 or reversed (turning left) pull open passive valve 21 and open the second valve port.
Referring again to Fig. 2, after illustrating that lever is driven by Electric Actuator 31, with the solenoid valve 3 that first of valve port is arranged in
And the relativeness between second passive valve 21.One end 44 of lever when lever 42 is turned right by Electric Actuator 31 to be elapsed,
When first touching the fulcrum 5 of shell 1, lever 42 removes press solenoid valve i.e. in positive heeling condition with 43 points of the arm of force, and by valve plug
13 open, until by solenoid valve by magnet absorbing plate 12 by topstick to electromagnetic valve coil seat surface by until being sucked.
Referring again to Fig. 3, lever 42 only has the spring 24 compressed thereon for passive valve 21 at this time, second valve port according to
It is so closed, so even motor-driven valve is surprisingly stuck at this time or loss of power, lever 42 can not be allowed to return to initial first valve and closed
Closed position, substituting it there are also second passive valve 21 will not occur gas leakage phenomenon for valve closing.
Referring again to Fig. 4, when illustrating when lever by Electric Actuator top to dead point, the output shaft 33 of actuator can shrink one
Gap, and convey it and generate variation in the contact of a microswitch of tail end contact, this variation can be by the forward direction of Electric Actuator
Power supply switches to reverse electrical source, and Electric Actuator is reversely displaced then, so that lever 42 is turned left reversed return, until lever 42
One end 43 touches another reversal fulcrum 6 of shell, and hereafter, lever 42 is in reversed dip state, starts drag passive valve plug
21, the second valve port is opened, combustion gas can be transported to burner and is ignited.
Referring again to Fig. 5 and Fig. 6, illustrates to work as Electric Actuator signal according to the demand of user, want to adjust passive valve 21
When saving the amount of burner and minimizing, passive valve continues to pull open when current-limiting apparatus 22 closes third valve port, at this time
Combustion gas can only give the 83 minimum stream metering-orifice of by-pass prot set via shell 1, to guarantee method that flame will not be off.Such side
Logical design, can do the switching of different combustion gas, such as liquefied gas or natural gas on shell, and is not necessary to replacement and abandons entire valve body.
In addition it illustrates, the output shaft 33 of the Electric Actuator, rotation axis mode or linear movement axis mode can be made,
For example rotation axis is then into the screw rod linkage mode of screw thread and nut, and the nut system on the lever mountain its coupling with lever 42
The fourth of the twelve Earthly Branches that low-angle can be shaken in one, which connects, is fixed as its characteristic person.
It is second of embodiment of flameout protection electromagnetic valve of the invention such as Fig. 7 to 9.
Referring again to Fig. 7, to illustrate the present invention, the optimal use state of another embodiment, in response to general Chinese style material material
Reason, need have in, two kinds of burners of outer ring come the dual function that should be simmered with outer ring high fire quick-fried and only inner ring small fire, this hair
The bright downstream in passive valve 21 connects a gas outlet to outer annular burner again, and in the current-limiting apparatus 22 of passive valve rod 21 it
Tail end, then the outer ring valve plug 55 of a variable bit is connected, when passive valve 21 pulls open valve by lever, lead to mouthful 82 Hes at burner
The flow of outer ring outlet 84 is synchronous size.
Referring again to Fig. 8, when passive valve is pulled when one gives and sets stroke, outer ring valve plug 55 can be enabled to clog outer ring
Valve outlet 85, allows outer annular burner to close, and only stays the combustion gas for flowing to inner ring at this time.
Passive valve can be allowed to be opened again again if the firepower for the inner ring that user still feels is still too big referring again to Fig. 9,
Although valve plug 55 has sealed valve at this time, bar toward that can compress the subsequent spring of valve plug 55 when left dislocation, makes bar continue to turn left again
Displacement is only stayed on shell in a minimum discharge for giving the by-pass prot 83 set flows to when current-limiting apparatus closes inner ring outlet
Ring outlet, using the special cooking needs to stew as long-time anneal.
In conclusion of the invention provide a kind of the electronic of the safeguard protection solenoid valve picked up and known using thermocouple as flame
Driving method, main solution technological means are to hold when using a motor as automatic driving actuator electronic
Before row device opens safety valve, to give one passive valve of setting, on its concatenated access, the logical of burner is led in closing when normal
Road, and this passive valve that is only just opened after motor is driven in the reverse direction and leaves the closed approach of safety valve, combustion gas is transported to
The driving method that burner is ignited.And the multistage for further solving different cooking modes adjusts firepower, and switching
The multi-functional method of two burners.The above method is solved when using motor as automatic driving actuator, due to
The failure of abnormal power-off or mechanism, makes the mandril for opening valve be parked in halfway, is intended to close when having blocked safety valve perception without flame
The path of valve closing door, the problem of causing gas leakage.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, it is all in spirit of the invention and
In principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of driving method of gas extinguishing fire protection valve, this method are based on a gas extinguishing fire and protect valve, gas extinguishing fire protection
Valve includes shell, solenoid valve, passive valve, Electric Actuator, Electric Actuator output shaft, lever, which is characterized in that the method
Include:
The solenoid valve and passive valve of series relationship each other is set in shell, all in envelope before the Electric Actuator pushes lever
The state of valve closing door, the marquis when Electric Actuator forward driving lever opens solenoid valve, the passive valve are closed always, only
After Electric Actuator opens solenoid valve, passive valve is just pulled open after being driven in the reverse direction lever a to secure way, fuel gas path is allowed to beat
It opens, combustion gas, which is able to transport to burner, to be ignited.
2. the driving method of gas extinguishing fire protection valve according to claim 1, which is characterized in that the wherein pass of connecting each other
The solenoid valve and passive valve of system, the direction of closing valve and the pressure flow direction of combustion gas are identical.
3. the driving method of gas extinguishing fire protection valve according to claim 1, which is characterized in that the Electric Actuator can be made
Rotary motion or straight linear move back and forth.
4. the driving method of gas extinguishing fire protection valve according to claim 1, which is characterized in that this is driven by Electric Actuator
Dynamic lever upper end Xian Ding in positive forward travel holds an advance fixed pivot, then lower end is enabled to go to open blowout protection valve, and
When the lever, which is back-driven into, retracts, top can be gone to hold a retrogressing fixed pivot with lower end, then upper end is enabled to go to pull open passive valve.
5. the driving method of gas extinguishing fire according to claim 1 protection valve, which is characterized in that the Electric Actuator with should
Driven lever is in the connection of a movable low-angle, when Electric Actuator output shaft is turn state person, the electronic execution
As soon as device output shaft is the structure of screw rod, and the driven lever is in internal thread structure and its connection of a nut.
6. the driving method of gas extinguishing fire protection valve according to claim 1, which is characterized in that Electric Actuator output
Shaft tail end penetrates in an axle sleeve of shell, and pushes up and hold a microswitch being located at outside shell, in the defeated of lever and Electric Actuator
When shaft proceeds to a dead point, output shaft can be enabled to retract the contact of press microswitch, and switch switch direction circuit.
7. the driving method of gas extinguishing fire protection valve according to claim 1, which is characterized in that under the passive valve
Trip, is provided with a current-limiting apparatus, sets up twice outlet separately again in the downstream of current-limiting apparatus, and this current-limiting apparatus is stretched in the position of current limliting in edge
It when setting close to very little flow, can enable wherein that outlet is closed together, second can be enabled to export again after the flow as reduced current limiter again
It is also switched off, a bypass minimum discharge on shell is only stayed to export to second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787800.0A CN109058543B (en) | 2018-07-18 | 2018-07-18 | Driving method of gas flameout protection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787800.0A CN109058543B (en) | 2018-07-18 | 2018-07-18 | Driving method of gas flameout protection valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109058543A true CN109058543A (en) | 2018-12-21 |
| CN109058543B CN109058543B (en) | 2019-12-27 |
Family
ID=64817063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810787800.0A Expired - Fee Related CN109058543B (en) | 2018-07-18 | 2018-07-18 | Driving method of gas flameout protection valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN109058543B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534476Y (en) * | 2002-04-28 | 2003-02-05 | 何青松 | Flame-out protective device for energy-saving gas stove |
| CN1508477A (en) * | 2002-08-23 | 2004-06-30 | 珉 张 | Gas safety vavle for complete kitchen |
| KR20050049811A (en) * | 2003-11-24 | 2005-05-27 | 한라정밀 주식회사 | Gas automatic interception equipment |
| CN201187815Y (en) * | 2008-04-03 | 2009-01-28 | 中山市聚德燃气阀门有限公司 | Lever type flameout protection gas valve for gas stove |
| CN205559847U (en) * | 2016-01-26 | 2016-09-07 | 宁波方太厨具有限公司 | Gas -cooker flow control valve |
-
2018
- 2018-07-18 CN CN201810787800.0A patent/CN109058543B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534476Y (en) * | 2002-04-28 | 2003-02-05 | 何青松 | Flame-out protective device for energy-saving gas stove |
| CN1508477A (en) * | 2002-08-23 | 2004-06-30 | 珉 张 | Gas safety vavle for complete kitchen |
| KR20050049811A (en) * | 2003-11-24 | 2005-05-27 | 한라정밀 주식회사 | Gas automatic interception equipment |
| CN201187815Y (en) * | 2008-04-03 | 2009-01-28 | 中山市聚德燃气阀门有限公司 | Lever type flameout protection gas valve for gas stove |
| CN205559847U (en) * | 2016-01-26 | 2016-09-07 | 宁波方太厨具有限公司 | Gas -cooker flow control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109058543B (en) | 2019-12-27 |
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Granted publication date: 20191227 |