CN106246982A - A kind of combustion gas safety control valve - Google Patents
A kind of combustion gas safety control valve Download PDFInfo
- Publication number
- CN106246982A CN106246982A CN201610867625.7A CN201610867625A CN106246982A CN 106246982 A CN106246982 A CN 106246982A CN 201610867625 A CN201610867625 A CN 201610867625A CN 106246982 A CN106246982 A CN 106246982A
- Authority
- CN
- China
- Prior art keywords
- valve
- combustion gas
- valve body
- gas safety
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Feeding And Controlling Fuel (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of combustion gas safety control valve, including relief valve and controller, described controller and controls end wireless connections, controls described controller by described control end and opens or closes described relief valve；Described relief valve includes valve body, sealing shroud, magnetic conduction transmission seal piston and electric magnet, described valve inner is located at by described sealing shroud, described magnetic conduction transmission seal piston is located at described valve inner, described electromagnet sleeve is on described valve body, push described magnetic conduction transmission seal piston after the energising of described electric magnet to move back and forth in described valve body, it is achieved sealing shroud is sealed and opens.Therefore, this combustion gas safety control valve, including relief valve and controller, described controller and controls end wireless connections, controls described controller by described control end and opens or closes described relief valve；Therefore replace traditional gas valve need manual operation to close and open the safety-valve, thus offer convenience to life.
Description
Technical field
The present invention relates to a kind of gas valve, be specifically related to a kind of combustion gas safety control valve.
Background technology
Combustion gas is the indispensable combustion gas of daily life, and combustion gas uses increasingly universalness, and current gas valve
Door is manually-operated gate, needs manual-lock valve, thus cause inconvenience to the user after using combustion gas after using after combustion gas, in view of
Disadvantages described above, is necessary to design a kind of combustion gas safety control valve in fact.
Summary of the invention
The technical problem to be solved is: provides a kind of combustion gas safety control valve, solves current combustion gas
Valve needs the problem that manual-lock brings inconvenience.
For solving above-mentioned technical problem, the technical scheme is that a kind of combustion gas safety control valve, including relief valve and
Controller, described controller and controls end wireless connections, controls described controller by described control end and opens or closes institute
State relief valve；
Described relief valve includes valve body, sealing shroud, magnetic conduction transmission seal piston and electric magnet, and described sealing shroud is located at described
Valve inner, described magnetic conduction transmission seal piston is located at described valve inner, described electromagnet sleeve on described valve body, described electricity
Push described magnetic conduction transmission seal piston after Magnet energising to move back and forth in described valve body, it is achieved sealing shroud is sealed and beats
Open.
Further, described controller includes pcb board, circuit control module, communication module, current transfer device and supplies Denso
Put；Described circuit control module, communication module and described current transfer device are all located on described pcb board；Described communication module
With described control end wireless connections；Described current transfer device electrically connects with described electric magnet；Described electric supply installation and described PCB
Plate electrically connects.
Further, described communication module is RF module or WiFi module, and described control end is remote controller or mobile phone.
Further, it is characterised in that on valve body, be also cased with mounting box, described controller is located in described mounting box.
Further, described pcb board is additionally provided with range sensor.
Further, described circuit control module is single-chip microcomputer；Described current transfer device is metal-oxide-semiconductor.
Further, described valve body be respectively arranged at two ends with the first pipe joint and the second pipe joint.
Further, in described first pipe joint, it is additionally provided with cone-shaped sealed gland, in described valve body, is additionally provided with fixed cover, described solid
Surely putting and be equipped with seal plug, described seal plug slides along described fixed cover and fits with described cone-shaped sealed gland, described
Being provided with extension spring between fixed cover and described seal plug, fixed cover is provided with air channel；It is additionally provided with in described first pipe joint and leads
Magnetopause bar, described first pipe joint is arranged with strength magnet ring, and this strength magnet ring slides along described first pipe joint, and drives institute
State magnetic conduction push rod at described first pipe joint internal motion；It is additionally provided with back-moving spring between described strength magnet ring and described valve body,
It is additionally provided with reseting handle on described strength magnet ring.
Further, described second pipe joint includes that body, lock tube and cushion rubber, described body detachably connect with described valve body
Connecing, described lock tube is located at described body outer end, and described cushion rubber is provided with between described body and described lock tube, and described cushion rubber is with described
Lock tube taper fit.
Further, described magnetic conduction transmission seal piston includes that described magnetic conduction is located at by flux sleeve and diaphragm seal, described diaphragm seal
Put；Magnetic conduction transmission seal piston movement described in described solenoid actuated so that the laminating of described diaphragm seal and described sealing shroud with
Separately；Described electric magnet includes that coiling set, coil and magnetosheath, described coiling set and described magnetosheath are all placed on described valve body, institute
Stating coiling and overlap be connected fixing with described valve body, described magnetosheath is around in described coiling puts along described valve body slides, described coil, should
Coil two ends electrically connect with described controller.
Compared with prior art, this combustion gas safety control valve, including relief valve and controller, described controller and controls
End wireless connections, control described controller by described control end and open or close described relief valve；Therefore traditional combustion is replaced
Air valve needs manual operation to close and opens the safety-valve, thus offers convenience to life.
Accompanying drawing explanation
Fig. 1 is the sectional view of combustion gas safety control valve of the present invention；
Fig. 2 is the sectional view of control valve described in combustion gas safety control valve of the present invention；
Fig. 3 is the sectional view of valve body described in combustion gas safety control valve of the present invention；
Fig. 4 is the sectional view of the first pipe joint described in combustion gas safety control valve of the present invention；
The sectional view of box is controlled described in Fig. 5 combustion gas safety control valve of the present invention；
The sectional view of electric magnet described in Fig. 6 combustion gas safety control valve of the present invention；
The circuit diagram of controller described in Fig. 7 combustion gas safety control valve of the present invention；
Detailed description of the invention
Following detailed description of the invention will further illustrate in conjunction with above-mentioned accompanying drawing.
Hereinafter, multiple specific detail is elaborated, in order to provide constituting the saturating of the basic concept of described embodiment
Thorough understanding.But, it will be apparent to those skilled in the art that described embodiment can not have these specific detail
In some or all in the case of put into practice.In other cases, well-known process step is not specifically described.
As it is shown in figure 1, a kind of combustion gas safety control valve, including relief valve 1 and controller 2, described controller 2 and controls
End (accompanying drawing does not marks) wireless connections, control described controller 2 by described control end and open or close described relief valve 1；Cause
This instead of traditional gas valve needs to open manually and close, thus offers convenience to life.
As shown in figs. 1-7, described relief valve 1 includes valve body 100, sealing shroud 110, magnetic conduction transmission seal piston 120 and electricity
Magnet 130, it is internal that described valve body 100 is located at by described sealing shroud 110, and described magnetic conduction transmission seal piston 120 is located at described valve body
100 is internal, and described electric magnet 130 is placed on described valve body 100, pushes described magnetic conduction transmission close after the energising of described electric magnet 130
Envelope piston 120 moves back and forth in described valve body 100, it is achieved seals sealing shroud 110 and opens.Therefore, controller 2 can be passed through
Control electric magnet 130 be energized forward energising and be reversely energized so that electric magnet 130 produces and magnetic conduction transmission seal piston 120 end
The magnetic pole that portion's magnetic pole is contrary and identical so that sealing shroud is fitted and leaves by magnetic conduction transmission seal piston 120, it is achieved relief valve 1
Open and close.Wherein controlling end is remote controller or mobile phone etc..
Further, pcb board 200, circuit control module 210, communication module 220, electric current are included as Fig. 5-7 states controller 2
Conversion equipment 230 and electric supply installation 240.Described circuit control module 210, communication module 220 and described current transfer device 230
All it is located on described pcb board 200.Described communication module 220 and described control end wireless connections；Described current transfer device 230
Electrically connect with described electric magnet 130；Described electric supply installation 240 electrically connects with described pcb board 220.Therefore by communication module 220
Receive and control the control signal that sends of end, then controlled electric current converter device 230 by circuit control module 210 and realize electric magnet 130
Electric current dress change, reach relief valve 1 and open and close.
Further, described communication module 220 is RF module or WiFi module, and described control end is remote controller or mobile phone.Cause
This, be connected with remote controller by RF module, or WiFi module is connected with mobile phone, thus realize remote control security valve 1 and open
With closedown.
Further, described valve body 100 being also cased with a mounting box 101, described controller 2 is located in described mounting box 101.
Therefore, by mounting box 101, controller 2 played installation and protective effect.Described electric supply installation 240 is lithium battery.Therefore, logical
Cross lithium battery to power to controller 2 and relief valve 1, it is not necessary to use power supply to power so that this control valve 1 is installed more convenient, safety
Coefficient is higher.
Further, described pcb board 200 is additionally provided with range sensor 201.Therefore, range sensor 201 can be led to detect
The position of magnetic conduction transmission seal piston 120.
Further, described circuit control module 210 is single-chip microcomputer.Owing to single-chip microcomputer has programmable functions, therefore, can lead to
Oversampling circuit control module 210 can input communication control module 220 and the program of current transfer device 230.Described electricity stream conversion
Put 230 for metal-oxide-semiconductor.Therefore, realize electric current by metal-oxide-semiconductor to change.
Further, described valve body 100 be respectively arranged at two ends with the first pipe joint 11 and the second pipe joint 12.
Further, as shown in figs. 1-7, cone-shaped sealed gland 1101, described valve body 100 it are additionally provided with in described first pipe joint 11
Inside being additionally provided with fixed cover 1102, described fixed cover 1102 is equipped with seal plug 1103, described seal plug 1103 is along described
Fixed cover 1102 slides and fits with described cone-shaped sealed gland 1101, between described fixed cover 1102 and described seal plug 1103
It is provided with extension spring 1104, fixes 1102 and be provided with air channel 1105.Therefore, when relief valve 1 is opened, and the flame of combustion furnace puts out
When going out, thus the gas flow rate in valve body 100 can be caused to increase so that the thrust of seal plug 1103 is more than by fuel gas flow draws
The pulling force of spring 1104 so that seal plug 1103 is fitted with cone-shaped sealed gland 1101, reaches the first pipe joint 11 is played sealing
Effect, thus prevent gas leakage.Magnetic conduction push rod 1110 it is additionally provided with, on described first pipe joint 11 in described first pipe joint 11
Being arranged with strength magnet ring 1111, this strength magnet ring 1111 slides along described first pipe joint 11, and drives described magnetic conduction push rod
1110 at described first pipe joint 11 internal motion；It is additionally provided with reset bullet between described strength magnet ring 1113 and described valve body 100
Spring 1114, described strength magnet ring 1113 is additionally provided with reseting handle 1115.Therefore, at seal plug 1103 and cone-shaped sealed gland
When 1101 laminatings cannot reset, by stirring reseting handle 1115, and strength magnet ring 1113 is driven to move, by strength magnet ring
1113 drive magnetic conduction push rod 1110 to move, thus can be released from cone-shaped sealed gland 1101 by seal plug 1103 so that safety
Valve 1 energy normal ventilation, wherein back-moving spring 1114 is to push away strongly magnet ring 1113 and reseting handle 1115 to return to home position.
Further, as shown in Figure 2-5, described second pipe joint 12 includes body 1201, lock tube 1202 and cushion rubber 1203, institute
Stating body 1201 to removably connect with described valve body 100, described lock tube 1202 is located at described body 1201 outer end, described cushion rubber
1203 are provided with between described body 1201 and described lock tube 1202, described cushion rubber 1203 and described lock tube 1202 taper fit.Cause
This is when the second pipe joint 12 trachea, can be inserted into by trachea in cushion rubber 1203, compress cushion rubber 1203 by lock tube 1202, make
Obtain cushion rubber 1202 to be locked by trachea.
Further, described magnetic conduction transmission seal piston 120 includes flux sleeve 121 and diaphragm seal 122, described diaphragm seal 122
It is located on described flux sleeve 121；Described electric magnet 130 drives described magnetic conduction transmission seal piston 120 to move so that described sealing
Sheet 122 and described sealing shroud 110 are fitted and separate；Described electric magnet 130 includes coiling set 131, coil 132 and magnetosheath 133, institute
Stating coiling set 131 and described magnetosheath 133 is all placed on described valve body 100, described coiling set 131 is fixing even with described valve body 100
Connecing, described magnetosheath 133 slides along described valve body 100, and described coil 132 is around on described coiling set 131, these coil 132 two ends
Electrically connect with described controller 2.Therefore the energising of coil 132 forward and reversely energising are made by current transfer device 230 so that
Coil 132 produces the magnetic pole identical or contrary with magnetosheath 133 end, thus promotes magnetosheath 133 to move back and forth along valve body 100,
Driven magnetic conduction transmission seal piston 120 to move back and forth by magnetosheath 133 again, reach relief valve 1 and open and close.
The present invention is not limited to above-mentioned specific embodiment, those of ordinary skill in the art from above-mentioned design,
Without performing creative labour, all conversion made, within all falling within protection scope of the present invention.
Claims (10)
1. a combustion gas safety control valve, including relief valve and controller, it is characterised in that described controller and one control end without
Line connects, and controls described controller by described control end and opens or closes described relief valve；
Described relief valve includes valve body, sealing shroud, magnetic conduction transmission seal piston and electric magnet, and described valve body is located at by described sealing shroud
Inside, described magnetic conduction transmission seal piston is located at described valve inner, described electromagnet sleeve on described valve body, described electric magnet
Push described magnetic conduction transmission seal piston after energising to move back and forth in described valve body, it is achieved sealing shroud is sealed and opens.
2. combustion gas safety control valve as claimed in claim 1, it is characterised in that described controller includes that pcb board, circuit control
Module, communication module, current transfer device and electric supply installation；Described circuit control module, communication module and the conversion of described electric current
Device is all located on described pcb board；Described communication module and described control end wireless connections；Described current transfer device is with described
Electric magnet electrically connects；Described electric supply installation electrically connects with described pcb board.
3. combustion gas safety control valve as claimed in claim 2, it is characterised in that described communication module is RF module or WiFi mould
Block, described control end is remote controller or mobile phone.
4. combustion gas safety control valve as claimed in claim 1 or 2, it is characterised in that be also cased with mounting box, described control on valve body
Device processed is located in described mounting box.
5. combustion gas safety control valve as claimed in claim 1 or 2, it is characterised in that be additionally provided with Distance-sensing on described pcb board
Device.
6. combustion gas safety control valve as claimed in claim 1 or 2, it is characterised in that described circuit control module is single-chip microcomputer；
Described current transfer device is metal-oxide-semiconductor.
7. combustion gas safety control valve as claimed in claim 1 or 2, it is characterised in that described valve body be respectively arranged at two ends with the
One pipe joint and the second pipe joint.
8. combustion gas safety control valve as claimed in claim 7, it is characterised in that be additionally provided with taper in described first pipe joint close
Big envelope, is additionally provided with fixed cover in described valve body, described fixed cover is equipped with seal plug, and described seal plug is along described fixing
Set slides and fits with described cone-shaped sealed gland, is provided with extension spring, fixed cover sets between described fixed cover and described seal plug
There is air channel；It is additionally provided with magnetic conduction push rod in described first pipe joint, described first pipe joint is arranged with strength magnet ring, this strength
Magnet ring slides along described first pipe joint, and drives described magnetic conduction push rod at described first pipe joint internal motion；Described strength
It is additionally provided with back-moving spring between magnet ring and described valve body, described strength magnet ring is additionally provided with reseting handle.
9. combustion gas safety control valve as claimed in claim 7 or 8, it is characterised in that described second pipe joint includes body, lock
Set and cushion rubber, described body removably connects with described valve body, and described lock tube is located at described body outer end, and described cushion rubber is provided with institute
State between body and described lock tube, described cushion rubber and described lock tube taper fit.
10. combustion gas safety control valve as claimed in claim 1, it is characterised in that described magnetic conduction transmission seal piston includes leading
Magnetosheath and diaphragm seal, described diaphragm seal is located on described flux sleeve；Magnetic conduction transmission seal piston fortune described in described solenoid actuated
Dynamic so that described diaphragm seal and described sealing shroud are fitted and separate；Described electric magnet includes coiling set, coil and magnetosheath, described
Coiling set and described magnetosheath are all placed on described valve body, and described coiling set is fixing with described valve body to be connected, and described magnetosheath is along described
Valve body slides, described coil is around in described coiling and puts, and these coil two ends electrically connect with described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867625.7A CN106246982A (en) | 2016-09-29 | 2016-09-29 | A kind of combustion gas safety control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867625.7A CN106246982A (en) | 2016-09-29 | 2016-09-29 | A kind of combustion gas safety control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106246982A true CN106246982A (en) | 2016-12-21 |
Family
ID=57612001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867625.7A Pending CN106246982A (en) | 2016-09-29 | 2016-09-29 | A kind of combustion gas safety control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296811A (en) * | 2018-11-29 | 2019-02-01 | 广西南宁市佳翼康科技有限公司 | A kind of electric gas valve Internet of Things control device with Bluetooth remote control |
| CN113251165A (en) * | 2021-06-11 | 2021-08-13 | 胜利油田海胜石油机械制造有限公司 | Well head gate valve with automatic mechanism of changing of sleeve pipe is pressed in area |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450876A (en) * | 1994-05-11 | 1995-09-19 | Marotta Scientific Controls, Inc. | Magnetically linked valve construction |
| CN2289103Y (en) * | 1996-11-21 | 1998-08-26 | 郑晓晋 | Plunger type check valve |
| CN2683946Y (en) * | 2004-03-16 | 2005-03-09 | 临安市恒泰燃气安全器材有限公司 | Gas safety magnetic valve |
| CN201212621Y (en) * | 2008-06-27 | 2009-03-25 | 张永茂 | Automatic leak-proof control device for combustible gas |
| CN201401544Y (en) * | 2009-04-28 | 2010-02-10 | 武汉蓝焰自动化应用技术有限责任公司 | Automatic control motor valve |
| CN201866363U (en) * | 2010-12-06 | 2011-06-15 | 张永茂 | Safety timing valve |
| CN105023084A (en) * | 2014-12-02 | 2015-11-04 | 武汉蓝焰自动化应用技术有限责任公司 | Operating method of gas meter assistant client handheld terminal system |
| CN206361224U (en) * | 2016-09-29 | 2017-07-28 | 东莞市金石电子科技有限公司 | A kind of combustion gas safety control valve |
-
2016
- 2016-09-29 CN CN201610867625.7A patent/CN106246982A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450876A (en) * | 1994-05-11 | 1995-09-19 | Marotta Scientific Controls, Inc. | Magnetically linked valve construction |
| CN2289103Y (en) * | 1996-11-21 | 1998-08-26 | 郑晓晋 | Plunger type check valve |
| CN2683946Y (en) * | 2004-03-16 | 2005-03-09 | 临安市恒泰燃气安全器材有限公司 | Gas safety magnetic valve |
| CN201212621Y (en) * | 2008-06-27 | 2009-03-25 | 张永茂 | Automatic leak-proof control device for combustible gas |
| CN201401544Y (en) * | 2009-04-28 | 2010-02-10 | 武汉蓝焰自动化应用技术有限责任公司 | Automatic control motor valve |
| CN201866363U (en) * | 2010-12-06 | 2011-06-15 | 张永茂 | Safety timing valve |
| CN105023084A (en) * | 2014-12-02 | 2015-11-04 | 武汉蓝焰自动化应用技术有限责任公司 | Operating method of gas meter assistant client handheld terminal system |
| CN206361224U (en) * | 2016-09-29 | 2017-07-28 | 东莞市金石电子科技有限公司 | A kind of combustion gas safety control valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296811A (en) * | 2018-11-29 | 2019-02-01 | 广西南宁市佳翼康科技有限公司 | A kind of electric gas valve Internet of Things control device with Bluetooth remote control |
| CN113251165A (en) * | 2021-06-11 | 2021-08-13 | 胜利油田海胜石油机械制造有限公司 | Well head gate valve with automatic mechanism of changing of sleeve pipe is pressed in area |
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