CN110043674A - A kind of battery-powered gas electromagnetic valve of low tension - Google Patents
A kind of battery-powered gas electromagnetic valve of low tension Download PDFInfo
- Publication number
- CN110043674A CN110043674A CN201910418897.2A CN201910418897A CN110043674A CN 110043674 A CN110043674 A CN 110043674A CN 201910418897 A CN201910418897 A CN 201910418897A CN 110043674 A CN110043674 A CN 110043674A
- Authority
- CN
- China
- Prior art keywords
- battery
- pedestal
- sealing ring
- low tension
- electromagnetic valve
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002737 fuel gas Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims 1
- 239000000567 combustion gas Substances 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical group [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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
- 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
- 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
- F16K1/32—Details
-
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- 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
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of battery-powered gas electromagnetic valves of low tension, air inlet and air outlet are set on its valve body, valve port is set between air inlet and air outlet, pedestal is fixed on valve body, master board is set in pedestal, the radio receiving transmitting module connecting with fuel gas alarm signal is set in the master board, electromagnet assembly is also set up in pedestal, electromagnet assembly includes pole core, dynamic iron core and coil, A-battery in coil and pedestal forms electrical circuit, and permanent magnet is arranged in the periphery of dynamic iron core in the lower section of coil；Sealing ring is fixed between valve body and pedestal, the lower end of dynamic iron core is fixed with gasket, and gasket passes through sealing ring and matches with valve port, and spring is arranged between gasket and sealing ring, the upper end of dynamic iron core is fixed with reset lever, and the upper end of reset lever extends outside the base across pole core.The advantage is that: it is simple and reasonable for structure, securely and reliably, gas circuit is automatically cut off when combustion gas leaks with fuel gas alarm linkage.
Description
Technical field
The present invention relates to fuel gas alarm linkage technical field, a kind of especially battery-powered combustion gas electromagnetism of low tension
Valve.
Background technique
The main component of combustion gas is methane, when concentration reaches 10% in air, death by suffocation can be made one, when content reaches 5%-
When 15%, detonation can be occurred by encountering fire source, therefore, very harmful caused by gas leakage.
As the development people of social economy are after meeting basic living demand, to oneself quality of life and daily life ring
There is higher requirement in border.Unified pipe laying combustion gas is easy to implement totally-enclosed management, although the safety of pipe gas is significantly
Higher than bottled gas steel cylinder, but gas leakage accident still happens occasionally, and reason is still that pipe gas outlet side does not have
There is any safety monitoring assembly, brings very big security risk to people's life.
In order to detect gas leakage, some users will be installed fuel gas alarm, be examined by gas leakage in fuel gas alarm
That surveys sensor detects whether combustion gas is leaked, then sounds the alarm to prompt user's gas to be leaked；At present
Fuel gas alarm be merely capable of detecting, prompt user by alarming, gas circuit can not be directly cut off after gas leakage, therefore
It needs to develop to link with fuel gas alarm and automatically cuts off the solenoid valve of gas circuit when combustion gas leaks.
Summary of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide simple and reasonable for structure, safely may be used
It leans on, automatically cuts off a kind of battery-powered combustion gas electromagnetism of low tension of gas circuit when combustion gas leaks with fuel gas alarm linkage
Valve.
The technical scheme of the invention to solve the technical problem is:
A kind of battery-powered gas electromagnetic valve of low tension, includes valve body, air inlet and air outlet, air inlet is provided on valve body
It is provided with valve port between gas outlet, pedestal is fixed on valve body, is provided with master board in pedestal, is arranged in the master board
There is the radio receiving transmitting module connecting with fuel gas alarm signal, electromagnet assembly is additionally provided in pedestal, electromagnet assembly includes
There are pole core, dynamic iron core and coil, the A-battery in coil and pedestal forms electrical circuit, and the lower section of coil is in dynamic iron core
Periphery be provided with permanent magnet；Sealing ring is fixed between valve body and pedestal, the lower end of dynamic iron core is fixed with gasket, the sealing
Pad is matched across sealing ring with valve port, spring is provided between gasket and sealing ring, the upper end of dynamic iron core is fixed with reset
The upper end of pull rod, the reset lever extends outside the base across pole core.
The technical measures of optimization further include:
Above-mentioned gasket is made of the interconnecting piece of the sealing of lower part and top structure in the shape of a rod, and interconnecting piece is placed through described close
The center of seal.
Elastic portion is provided in the middle part of above-mentioned sealing ring, the interconnecting piece sealing of the inside of elastic portion and the gasket connects
It connects.
Above-mentioned elastic portion is in recessed spherical structure.
The periphery of above-mentioned sealing ring is provided with the rounded sealing ring in section, offers closure gasket groove on valve body, sealing
Ring is placed in the closure gasket groove.
It is provided with stage portion on above-mentioned sealing ring, step surface compatible with the stage portion is formed on pedestal.
The upper surface of above-mentioned sealing is provided with spring card slot, and the lower end of spring is placed in the spring card slot.
Protrusion is set at the valve port of above-mentioned valve body, and the periphery of the protrusion is bevel structure.
The upper end of above-mentioned reset lever is provided with hand-held part.
The upper end of above-mentioned pedestal is fitted with upper cover.
The battery-powered gas electromagnetic valve of a kind of low tension of the invention, simple and reasonable for structure, general family will not be in combustion gas
Gas circuit nearby installs power supply unit, therefore this solenoid valve is powered using A-battery, when fuel gas alarm detects gas leakage
When transmit a signal to master board, be supplied to one pulse electric energy of coil, magnet iron core made to generate one and original magnetic field phase
Anti- magnetic field pushes dynamic iron core to move down under the collective effect in spring and magnetic field, and pushing gasket to valve port closes valve port
It closes, to achieve the purpose that close combustion gas.
Detailed description of the invention
Fig. 1 is the sectional structure chart under open state of the present invention；
Fig. 2 is the portion A enlarged drawing in Fig. 1；
Fig. 3 is the sectional structure chart under blocking of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
It is as shown in Figure 1 to Figure 3 structural schematic diagram of the invention,
Appended drawing reference therein are as follows: valve body 1, closure gasket groove 1a, air inlet 11, gas outlet 12, valve port 13, protrusion 14, pedestal 2,
Step surface 2a, upper cover 21, master board 3, pole core 41, dynamic iron core 42, coil 43, permanent magnet 44, A-battery 5, sealing
Circle 6, sealing ring 62, stage portion 63, gasket 7, sealing 71, spring card slot 71a, interconnecting piece 72, spring 8, is answered at elastic portion 61
Position pull rod 9, hand-held part 91.
As shown in Figure 1 to Figure 3,
A kind of battery-powered gas electromagnetic valve of low tension, includes valve body 1, air inlet 11 and gas outlet 12 is provided on valve body 1,
It is provided with valve port 13 between air inlet 11 and gas outlet 12, pedestal 2 is fixed on valve body 1, master board 3 is provided in pedestal 2,
It is provided with the radio receiving transmitting module connecting with fuel gas alarm signal in the master board 3, electromagnet group is additionally provided in pedestal 2
Part, electromagnet assembly include pole core 41, dynamic iron core 42 and coil 43,5 shape of A-battery in coil 43 and pedestal 2
At electrical circuit, the lower section of coil 43 is provided with permanent magnet 44 in the periphery of dynamic iron core 42；It is fixed between valve body 1 and pedestal 2 close
Seal 6, the lower end of dynamic iron core 42 are fixed with gasket 7, which passes through sealing ring 6 and match with valve port 13, gasket 7
Spring 8 is provided between sealing ring 6, the upper end of dynamic iron core 42 is fixed with reset lever 9, and the upper end of the reset lever 9 passes through
Pole core 41 stretches out outside pedestal 2.
In embodiment, gasket 7 is made of the interconnecting piece 72 of the sealing 71 of lower part and top structure in the shape of a rod, interconnecting piece
72 are placed through the center of the sealing ring 6.
In embodiment, the middle part of sealing ring 6 is provided with elastic portion 61, the company of the inside of elastic portion 61 and the gasket 7
Socket part 72 is tightly connected.
In embodiment, elastic portion 61 is in recessed spherical structure.
Elastic portion 61 is with the movement of dynamic iron core 42 and deformation occurs, the inside of elastic portion 61 company with gasket 7 always
Socket part 72 keeps being tightly connected.
In embodiment, the periphery of sealing ring 6 is provided with the rounded sealing ring 62 in section, offers sealing ring on valve body 1
Slot 1a, sealing ring 62 are placed in closure gasket groove 1a.
In embodiment, it is provided with stage portion 63 on sealing ring 6, is formed on pedestal 2 and the stage portion 63 compatible
Terrace 2a.
The cooperation of stage portion 63 and step surface 2a increases the tortuosity of sealing surface, is conducive to the sealing for improving sealing surface
Property.
In embodiment, the upper surface of sealing 71 is provided with spring card slot 71a, and the lower end of spring 8 is placed in the spring card slot
In 71a.
In embodiment, protrusion 14 is set, the periphery of the protrusion 14 is bevel structure at the valve port of valve body 1.Setting protrusion 14
Reduce the contact area at 71 lower surface of sealing and 1 valve port of valve body and reduces difficult processing while guaranteeing leakproofness
Degree.
In embodiment, the upper end of reset lever 9 is provided with hand-held part 91.
In embodiment, the upper end of pedestal 2 is fitted with upper cover 21.
Working principle:
The battery-powered gas electromagnetic valve of low tension of the present invention, is powered, and be connected with fuel gas alarm using A-battery；It is above-mentioned
A-battery use AAA battery (No. 7 batteries).
Reset lever 9, dynamic iron core 42, dynamic iron core 42 are spirally connected to form entirety, and under normal circumstances, user is by reset lever 9
It pulls up, under the magnetic field that permanent magnet 44 and pole core 41 generate, dynamic iron core 42 overcomes the elastic force of spring 8 to be pulled on magnetic
The bottom of iron iron core 41, at this point, gasket 7 is separated with 13 phase of valve port, valve port 13 is opened, and is led between air inlet 11 and gas outlet 12
Logical, solenoid valve is in the open state.
Once fuel gas alarm detects gas leakage, solenoid valve, the master board 3 of solenoid valve will be sent the signal to
Radio receiving transmitting module receive signal after, issue control signal, by A-battery 5 provide electric energy, be supplied to 43 1 arteries and veins of coil
Electric energy is rushed, pole core 41 is made to generate a magnetic field opposite with original magnetic field；Under the collective effect in 8 elastic force of spring and magnetic field
Push dynamic iron core 42 to move down, close valve port 13 until gasket 7 contacts valve body 1, air inlet 11 and gas outlet 12 it
Between be cut off, at this moment, solenoid valve be in blocking, and combustion gas gas circuit is cut-off.During pushing dynamic iron core 42 to move down,
Magnetic field due to dynamic iron core 42 far from pole core 41, the power that dynamic iron core 42 moves down mostly come from the elastic force of spring 8.
After leakage repair, reset lever 9 only need to be pulled up, solenoid valve is made to return to open state.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (10)
1. a kind of battery-powered gas electromagnetic valve of low tension, includes valve body (1), the valve body is provided with air inlet on (1)
(11) and gas outlet (12), valve port (13) are provided between the air inlet (11) and gas outlet (12), it is characterized in that: described
Valve body (1) on be fixed with pedestal (2), is provided with master board (3) in the pedestal (2), is arranged in the master board (3)
There is the radio receiving transmitting module connecting with fuel gas alarm signal, is additionally provided with electromagnet assembly in the pedestal (2), it is described
Electromagnet assembly includes pole core (41), dynamic iron core (42) and coil (43), and the coil (43) and pedestal (2) are interior
A-battery (5) formed electrical circuit, the lower section of the coil (43) is provided with permanent magnet in the periphery of dynamic iron core (42)
(44)；It is fixed with sealing ring (6) between the valve body (1) and pedestal (2), the lower end of the dynamic iron core (42) is fixed with close
Packing (7), the gasket (7) pass through sealing ring (6) and match with valve port (13), the gasket (7) and sealing ring (6) it
Between be provided with spring (8), the upper end of the dynamic iron core (42) is fixed with reset lever (9), and the upper end of the reset lever (9) is worn
It crosses pole core (41) and stretches out pedestal (2) outside.
2. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 1, it is characterized in that: the gasket
(7) it is made of the interconnecting piece (72) of sealing (71) and the top structure in the shape of a rod of lower part, the interconnecting piece (72) is placed through
The center of the sealing ring (6).
3. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 2, it is characterized in that: the sealing ring
(6) it is provided in the middle part of elastic portion (61), the inside of the elastic portion (61) and the interconnecting piece (72) of the gasket (7) are close
Envelope connection.
4. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 3, it is characterized in that: the elastic portion
It (61) is in recessed spherical structure.
5. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 4, it is characterized in that: the sealing ring
(6) periphery is provided with the rounded sealing ring in section (62), offers on the valve body (1) closure gasket groove (1a), described
Sealing ring (62) be placed in the closure gasket groove (1a).
6. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 5, it is characterized in that: the sealing ring
(6) it is provided on stage portion (63), the compatible step surface (2a) with the stage portion (63) is formed on the pedestal (2).
7. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 6, it is characterized in that: the sealing
(71) upper surface is provided with spring card slot (71a), and the lower end of the spring (8) is placed in the spring card slot (71a).
8. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 7, it is characterized in that: the valve body (1)
Valve port at be arranged raised (14), the periphery of the protrusion (14) is bevel structure.
9. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 8, it is characterized in that: the reset lever
(9) upper end is provided with hand-held part (91).
10. the battery-powered gas electromagnetic valve of a kind of low tension according to claim 9, it is characterized in that: the pedestal (2)
Upper end be fitted with upper cover (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418897.2A CN110043674A (en) | 2019-05-20 | 2019-05-20 | A kind of battery-powered gas electromagnetic valve of low tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418897.2A CN110043674A (en) | 2019-05-20 | 2019-05-20 | A kind of battery-powered gas electromagnetic valve of low tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043674A true CN110043674A (en) | 2019-07-23 |
Family
ID=67282689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418897.2A Pending CN110043674A (en) | 2019-05-20 | 2019-05-20 | A kind of battery-powered gas electromagnetic valve of low tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059340A (en) * | 2019-12-29 | 2020-04-24 | 上海肇民新材料科技股份有限公司 | Low-voltage pulse electromagnetic valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535619Y (en) * | 2002-02-28 | 2003-02-12 | 李志辉 | Combustible gas safety electromagnetic valve |
| CN1884899A (en) * | 2006-06-19 | 2006-12-27 | 嵇曙光 | Wireless gas protector |
| JP2007162971A (en) * | 2005-12-09 | 2007-06-28 | Rinnai Corp | Gas appliance |
| CN201269342Y (en) * | 2008-09-16 | 2009-07-08 | 广东百威电子有限公司 | Electronic strong-suction solenoid valve with dry battery as power supply for household burner |
| CN202580064U (en) * | 2012-05-14 | 2012-12-05 | 成都特恩达科技有限公司 | Leakproof structure and gas solenoid valve applying same |
| CN206802449U (en) * | 2017-05-27 | 2017-12-26 | 四川维尔法交通科技有限公司 | Domestic gas emergency cut-off magnetic valve |
| CN209839167U (en) * | 2019-05-20 | 2019-12-24 | 宁波金盾电子工业股份有限公司 | Gas electromagnetic valve powered by low-voltage battery |
-
2019
- 2019-05-20 CN CN201910418897.2A patent/CN110043674A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535619Y (en) * | 2002-02-28 | 2003-02-12 | 李志辉 | Combustible gas safety electromagnetic valve |
| JP2007162971A (en) * | 2005-12-09 | 2007-06-28 | Rinnai Corp | Gas appliance |
| CN1884899A (en) * | 2006-06-19 | 2006-12-27 | 嵇曙光 | Wireless gas protector |
| CN201269342Y (en) * | 2008-09-16 | 2009-07-08 | 广东百威电子有限公司 | Electronic strong-suction solenoid valve with dry battery as power supply for household burner |
| CN202580064U (en) * | 2012-05-14 | 2012-12-05 | 成都特恩达科技有限公司 | Leakproof structure and gas solenoid valve applying same |
| CN206802449U (en) * | 2017-05-27 | 2017-12-26 | 四川维尔法交通科技有限公司 | Domestic gas emergency cut-off magnetic valve |
| CN209839167U (en) * | 2019-05-20 | 2019-12-24 | 宁波金盾电子工业股份有限公司 | Gas electromagnetic valve powered by low-voltage battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059340A (en) * | 2019-12-29 | 2020-04-24 | 上海肇民新材料科技股份有限公司 | Low-voltage pulse electromagnetic valve |
| CN111059340B (en) * | 2019-12-29 | 2024-05-24 | 上海肇民新材料科技股份有限公司 | Low-voltage pulse electromagnetic valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110043674A (en) | A kind of battery-powered gas electromagnetic valve of low tension | |
| CN209839167U (en) | Gas electromagnetic valve powered by low-voltage battery | |
| CN201297416Y (en) | A multifunctional gas automatic closing valve | |
| CN100491783C (en) | Low pressure combustible gas double drives valve | |
| CN2535619Y (en) | Combustible gas safety electromagnetic valve | |
| CN207470907U (en) | A kind of gas pressure-reducing valve for preventing gas leakage | |
| CN107023747A (en) | A kind of Intelligent gas tank based on bluetooth | |
| CN109084077A (en) | A kind of liquefied gas temperature-control safety valve | |
| CN201615518U (en) | Anti-leakage gas stove based on automatic control | |
| CN2326799Y (en) | Gas safety valve | |
| CN201269343Y (en) | Straight through type electromagnetic cut-off valve | |
| CN203348663U (en) | Electromagnetic self-closing valve | |
| CN201344295Y (en) | Vertical valve for automatically cut off coal gas in earthquake | |
| CN204004703U (en) | Electromagnetism self closing stop valve | |
| CN207634783U (en) | A kind of combustion gas is registered one's residence controller | |
| CN2262149Y (en) | Electromagnetic cut-off valve for household gas burning device | |
| CN208907507U (en) | Liquefied gas temperature-control safety valve | |
| CN209327341U (en) | A kind of Separated type combustible gas detector | |
| CN211117673U (en) | Intelligent remote control electric valve powered by medium-pressure gas battery | |
| CN207350377U (en) | A kind of gas kitchen ranges | |
| CN102927340B (en) | Gas emergency cut-off valve | |
| CN219300005U (en) | Novel intelligent gas self-closing valve of thing networking | |
| CN110736112A (en) | household gas intelligent safety control system | |
| CN205376717U (en) | Circulator subassembly | |
| CN205621241U (en) | Gas alarm of regular automatic self -checking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 315 Nanyuan Economic Development Zone, Yufeng City, Zhejiang Province Applicant after: Ningbo Kaidun Electronic Industry Co.,Ltd. Address before: No. 315 Nanyuan Economic Development Zone, Yufeng City, Zhejiang Province Applicant before: Ningbo Kingdun Electronic Industry Co.,Ltd. Country or region before: China |