CN104048091B - Interruptible electromagnetic control device - Google Patents
Interruptible electromagnetic control device Download PDFInfo
- Publication number
- CN104048091B CN104048091B CN201410253738.9A CN201410253738A CN104048091B CN 104048091 B CN104048091 B CN 104048091B CN 201410253738 A CN201410253738 A CN 201410253738A CN 104048091 B CN104048091 B CN 104048091B
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- Prior art keywords
- valve
- upper chamber
- plug
- strip
- flap
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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
- 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
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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
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to the field of control devices, and particularly relates to an interruptible electromagnetic control device, comprising a valve body, a valve cover, a valve clack, a valve seat and a gas source, wherein the valve clack and the valve seat are arranged in the valve body, the gas source is used for conveying gas to an upper chamber, the valve cover is provided with a vent hole, an explosion sheet covers the vent hole, an electromagnetic execution element is arranged on the valve cover, a knife switch used for puncturing the explosion sheet is arranged in the electromagnetic execution element, a strut capable of extending to the vent hole is arranged on the valve clack, and the electromagnetic execution element is provided with a sealing mechanism for sealing the vent hole. When a fire occurs, the electromagnetic execution element is electrified for driving the knife switch to move to puncture the explosion sheet, and then the pressure of the upper chamber is released, so that the valve clack is opened. If mistaken action occurs, the electromagnetic execution element is continuously electrified, and the knife switch acts on the upper end of the strut for pressing the valve clack, and meanwhile, the sealing mechanism seals the vent hole, and then the gas source is utilized for supplying gas to the upper chamber for increasing the pressure for pressing the valve clack, so that the midway closing of the valve body is realized.
Description
Technical field
The invention belongs to control device field is and in particular to one kind can interrupt electromagnetic control apparatus.
Background technology
A kind of existing electromagnetic control apparatus include valve body, the valve element being arranged in valve body, lid be located at valve
Valve gap on body and be connected to the electromagnetic actuator on valve gap.Be provided with valve body with extinguishing chemical bottle in
The lower chambers that chamber is connected, lower chambers are provided with the import of conveying extinguishing agent；Valve body is additionally provided with upper chamber,
Upper chamber is provided with the outlet spraying for extinguishing chemical.Flap is arranged between upper chamber and lower chambers and can be
Epicoele interior moves up and down, for realizing the closing between lower chambers and outlet and connecting.Set on valve gap
It is equipped with the passage connecting with upper chamber, passage upper end is fixed with to cover the rupture disk of passage,
Electromagnetic actuator is provided with plug-in strip corresponding with rupture disk, and after electromagnetic actuator energising, plug-in strip can be to
Under move and puncture rupture disk, after electromagnetic actuator dead electricity, under return spring effect, plug-in strip returns
To origin-location, it is extraneous that the indoor gas of epicoele escapes into valve body from the rent of rupture disk.Also include
The QI invigorating joint connecting with valve body upper chamber, QI invigorating joint connects to source of the gas.
This electromagnetic control apparatus is arranged on disaster hidden-trouble point, electromagnetic actuator connects to Central Control Room,
The import of valve body is connected with extinguishing chemical bottle inner chamber, conveys gas by source of the gas to upper chamber, to upper chamber
Pressurization, forms pressure between upper chamber and lower chambers, forces flap to move downward realization outlet and enter
Closing between mouthful, it is to avoid in extinguishing chemical bottle inner chamber, extinguishing chemical sprays from outlet.When a fire,
Fire signal is transferred to Central Control Room, and Central Control Room starts electromagnetic actuator after receiving signal, and electromagnetism is held
Units obtain electric back switch blade and move downward and puncture rupture disk, then electromagnetic actuator dead electricity, plug-in strip
Return in situ in the presence of return spring, the gas of upper chamber is through passage from the rupture disk puncturing
Middle effusion, epicoele chamber pressure reduces, and forms pressure differential between extinguishing chemical bottle inner chamber and upper chamber and push away
Dynamic flap moves upwards and seals QI invigorating joint, the inlet and outlet conducting of valve body, and extinguishing chemical is from outlet
Spray, put out a fire.
Once but existing this electromagnetic control apparatus electromagnetic actuator punctures rupture disk by plug-in strip
Afterwards, upper chamber connects with the valve body external world, and the gas of upper chamber escapes into the valve body external world by passage,
(be equivalent to valve body to open) after flap moves upwards and, it is impossible to midway is closed, need to wait until in extinguishing chemical bottle
After the extinguishing chemical injection in chamber finishes, then readjusting the position of flap.So, when scene occurs by mistake
Situations such as report, maloperation, valve body cannot be closed after opening halfway, can lead to waste and the shadow of extinguishing chemical
Ring life and property safety.
In consideration of it, inventor furthers investigate to the problems referred to above, this case is then had to produce.
Content of the invention
It is an object of the invention to provide a kind of convenience in injection midway valve body can interrupt electromagnetism
Control device.
In order to achieve the above object, the present invention adopts such technical scheme：
One kind can interrupt electromagnetic control apparatus, including valve body, in valve body, be provided with upper chamber and lower chambers,
It is provided with the import with extinguishing chemical bottle inner space, the junction of upper chamber and lower chambers is provided with lower chambers
Valve seat, valve seat is provided with and can be provided with upper chamber when flap and valve in the flap of epicoele indoor moving
Can be with the outlet of described import conducting when seat separates；Also include the gas in order to convey gas to upper chamber
Source；Also include the valve gap being arranged in upper chamber, valve gap is provided with passage, passage is coated with
Rupture disk；Also include the electromagnetic actuator being connected on valve gap, be provided with electromagnetic actuator in order to
Puncture the plug-in strip of described rupture disk and the spring driving plug-in strip return, the end of plug-in strip is provided with push rod,
Described flap is provided with the pole that can extend passage, described electromagnetic actuator is provided with and can pass through
The closing means of described passage are closed in plug-in strip motion.
In such scheme, described closing means include being connected to the hex union of the upper end of described valve gap
With the pressure head being arranged on described plug-in strip, described hex union is provided with the perforation mated with described pressure head,
Described correspondence described passage setting of boring a hole, described rupture disk is arranged on described perforation and described passage
Between.
It is preferred that described pressure head is hemispherical and ring being located on described push rod, described bore a hole as bellmouth,
The diameter with diameter greater than described push rod of described bellmouth lower surface.
In such scheme, described upper chamber offers through hole near one end of described valve gap, described logical
Hole is connected with QI invigorating joint, and described QI invigorating joint connects to described source of the gas.
Further, it is provided with iron core and corresponding magnetic part, described plug-in strip in described electromagnetic actuator
It is provided with connecting rod and the lower surface of iron core between, also include driving described iron core to move downward is manual
Depression bar, the bottom of Manual pressure bar is just relative with the upper end of described iron core, and the upper end of Manual pressure bar sets
There is the through hole vertical with described Manual pressure bar length direction, in through hole, be equipped with movable latch.
In such scheme, described flap and described valve seat junction are provided with sealing gasket, described flap
It is provided with sealing ring and described upper chamber between.
After technical scheme, Central Control Room can be electrically connected to by interrupt electromagnetic control apparatus,
The entrance of valve body is connected with extinguishing chemical bottle inner chamber, in normal state, is conveyed to upper chamber by source of the gas
A certain amount of gas makes to form certain pressure differential between upper chamber and lower chambers, forces flap to move downward
To valve seat, by valve body import and outlet.When a fire, Central Control Room receives fire letter
Number, start electromagnetic actuator, electromagnetic actuator obtain electric after, drive plug-in strip move downward and puncture
Rupture disk, then electromagnetic actuator dead electricity, plug-in strip returns to original position under the action of the spring,
The gas of upper chamber escapes from the rent of rupture disk, and the indoor gas pressure of epicoele reduces rapidly, directly
Pressure in fire-suppression bottle be more than upper chamber gas pressure, flap gas pressure difference effect under upwards
Move and close source of the gas, the pole on flap extends the upper end of passage simultaneously, the import of valve body and going out
Mouth conducting, extinguishing chemical, from the rapid ejection of outlet, is put out a fire to scene.When occur signal wrong report or
During maloperation, by Central Control Room control electromagnetic control apparatus make electromagnetic actuator persistently electric, plug-in strip
Move downward, the push rod on plug-in strip acts on pole, promoting flap to move downward certain distance makes gas
Source is conducted to valve body upper chamber, and the closing means on plug-in strip are closed to passage simultaneously, source of the gas to
Upper chamber's conveying gas forms certain gas pressure forces flap to fall to valve seat, realizes valve body import
With outlet cut-off, thus provide a kind of can midway valve body can interrupt electromagnetic control apparatus.
Brief description
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the further improved structural representation of the present invention；
In figure：
1- valve body 11- upper chamber
12- lower chambers 111- import
112- exports 2- valve gap
21- passage 3- flap
31- sealing gasket 32- sealing ring
4- valve seat 5- electromagnetic actuator
501- iron core 502- magnetic part
503- connecting rod 504- supporting part
51- plug-in strip 52- spring
53- hex union 54- pressure head
55- perforation 56- push rod
57- wire 6- rupture disk
7- pole 8- QI invigorating joint
91- Manual pressure bar 92- movable latch
10- pressure gauge
Specific embodiment
In order to technical scheme is explained further, it is described in detail below in conjunction with the accompanying drawings.
See figures.1.and.2, one kind can interrupt electromagnetic control apparatus, this device can be contained in extinguishing chemical bottle
On, with realizing the self-extinguishing of extinguishing chemical bottle.This device includes valve body 1, is provided with upper chamber in valve body 1
11 and lower chambers 12, the lower end of lower chambers 12 is provided with valve body import 112, by valve body import during use
112 are filled to extinguishing chemical bottle inner chamber.The junction of upper chamber 11 and lower chambers 12 is provided with valve seat 4, valve seat
It is provided with the flap 3 that can move up and down in upper chamber 11, flap 3 and valve seat 4 interact on 4
Place is provided with sealing gasket 31, and the position of flap 3 and upper chamber 11 contact internal walls is provided with sealing ring 32.
Being provided with upper chamber 11 when flap 3 is separated with valve seat 4 can be with the outlet of described import 112 conducting
111, when flap 3 acts on valve seat 4 with certain pressure, realize to import 112 and outlet 11
Isolation, when flap 3 travels upward and out valve seat 4, import 112 and outlet 111 conducting, go out
The extinguishing chemical of fiery agent bottle inner chamber sprays from outlet 111 through import 112 under the pressure effect of fire-suppression bottle inner chamber
Go out.Extinguishing chemical generally selects fire-suppressant gas or dry powder, and outlet 111 can be arranged on lower chambers 111
The side wall of lower end.
The present invention can also be provided with order to the charging to fire-suppression bottle lumen loading extinguishing chemical at lower chambers 12
Hole, from lower chambers are communicated to fire-suppression bottle, charging hole is provided with pressure gauge 10 to charging hole.Work as fire-suppression bottle
Interior extinguishing chemical uses afterwards, after loading the extinguishing chemical of rated capacity by charging hole, by pressure gauge 10
It is contained on charging hole in order to carry out pressure monitoring.
This device also includes source of the gas (not shown), in order to upper chamber 11 convey gas, with
Upper chamber 11 forms certain pressure, and then drives flap 3 to move downwardly to valve seat 4.Specifically go up
Chamber 11 side wall offers through hole near one end of described valve gap 2, and described through hole is connected with QI invigorating joint
8, described QI invigorating joint 8 connects to described source of the gas.When flap 3 moves to the top of upper chamber 11,
Flap 3 can block QI invigorating joint 8, stops source of the gas from conveying gas to upper chamber 11；When under flap 3
When being down to valve seat 4, source of the gas can convey gas by QI invigorating joint 8 to upper chamber 11, to keep flap
The pressure of 3 pairs of valve seats 4.
The valve gap 2 of the present invention is threaded connection the upper end being arranged on valve body 1, and on valve gap, 2 are provided with
Passage 21, passage 21 is from the central axis insertion valve gap 2 of valve gap 2.Upper in passage 21
End week is provided with rupture disk 6, the center of rupture disk 6 and ventilation along offering holding tank in holding tank
Hole 21 is just relatively.
Present invention additionally comprises the electromagnetic actuator 5 being connected on valve gap 2, electromagnetic actuator 5 passes through
Wire 57 is electrically connected to Central Control Room, controls electromagnetic actuator 5 to obtain electric and power-off by Central Control Room.
It is provided with electromagnetic actuator 5 to puncture the plug-in strip 51 of described rupture disk 6 and drive plug-in strip 51
The spring 52 of return.Electromagnetic actuator 5 electric after, drive plug-in strip 51 move downward, electromagnetism execute
After element 5 power-off, plug-in strip 51 returns to original position in the presence of spring 52, is made by electromagnetism
It has been disclosed in prior art with driving plug-in strip 51 to move, wherein using the iron core with coil logical
When electric and corresponding magnetic part adhesive, during dead electricity, core magnetism performance disappears and return under return spring effect,
Here no longer it is described in detail.
The present invention is characterized in that：Described flap 3 is provided with the pole 7 that can extend passage 21,
Pole 7 stretches out the upper end of flap 3, when flap 3 moves to the top of upper chamber 11, pole 7
Stretch in passage 21.Being provided with electromagnetic actuator 5 can be by plug-in strip 51 motion closing institute
State the closing means of passage 21.In an embodiment, closing means include being connected to described valve gap 2
The hex union 53 of upper end and the pressure head 54 being arranged on described plug-in strip 51, electromagnetic actuator 5 leads to
Cross the upper end that hex union 53 is fixed on valve gap 2.Described hex union 53 is provided with and described pressure head
The perforation 55 of 54 couplings.Perforation 55, passage 21, the central axis of plug-in strip 51 three are positioned at same
Straight line.Described rupture disk 6 is arranged between described perforation 55 and described passage 21.In embodiment
In, the end of described plug-in strip 51 is provided with push rod 56, and it is described that described pressure head 54 is that hemispherical and ring are located at
Push rod 56 upper end, described perforation 55 is set to bellmouth, described bellmouth lower surface with diameter greater than institute
State the diameter of push rod 56, the diameter with diameter greater than bellmouth lower surface of pressure head 54 and be less than bellmouth
The diameter of upper surface is it is ensured that pressure head 54 enables preferable sealing property after falling into bellmouth.Work as electromagnetism
Executive component 5 electric after, plug-in strip 51 moves downward compression spring 52 simultaneously, push rod 56 pass through perforation
55, puncture rupture disk 6 and stretch in passage 21, when push rod 56 stretches in passage 21, pressure
54 support the closing realized in bellmouth to passage 21；Then electromagnetic actuator 5 power-off,
Plug-in strip 51 returns to original position in the presence of spring 52.Obtaining of electromagnetic actuator 5 is electric and disconnected
Electricity can carry out Non-follow control by Central Control Room it is also possible to pass through to work out corresponding program performing.Plug-in strip
After 51 returns, in upper chamber 11, gas overflows from passage 21, upper chamber 11 and lower chambers
Form pressure differential between 12, force flap 3 to move upwards, the side wall of flap 3 closes QI invigorating joint
8, meanwhile, pole 7 then enters passage 21, and the upper end of pole 7 extends the upper of passage 21
End.
After technical scheme, when signal wrong report occurs, need to make flap 3 drop down onto valve
To realize, by the outlet closing of extinguishing chemical bottle, realizing in the following way when concrete on seat 4：In
Control room know alarm signal be wrong report when, control electromagnetic actuator 5 switch make electromagnetic actuator 5
Again electric, plug-in strip 51 electric after move downward, the push rod 56 of plug-in strip 51 end passes through perforation 55
And enter passage 21, push rod 56 promotes pole 7 and drives flap 3 to decline a certain distance,
The side wall of flap 3 is separated with QI invigorating joint 8, and plug-in strip 51 moves downward and carries dynamic head 54 to fall simultaneously
In perforation 55, block perforation 55, source of the gas passes through QI invigorating joint 8 and conveys gas shape to upper chamber 11
Becoming certain pressure, thus drive flap 3 to move downward falling in valve seat 4 until flap 3, realizing
112 closings will be exported.
With reference to Fig. 3, as a further improvement on the present invention, in the electromagnetic actuator of the present invention, it is provided with ferrum
Core 501, iron core 501 is externally provided with coil, is provided with corresponding magnetic part 502, electromagnetism below iron core 501
It is provided with the cavity up and down for iron core 501 in executive component, be fixed with the lower surface of iron core 501
The connecting rod 503 extending downwardly, the lower end of connecting rod 503 passes through from the center of magnetic part 502 and connects
Supporting part 504, supporting part 504 lower end connects plug-in strip 51, corresponds to lock in the inside of electromagnetic actuator
The position of knife 51 is provided with ring-shaped step, and spring 52 is set in plug-in strip 51, and the upper end of spring 52 is supported
Lean against the lower surface of supporting part 504, the lower end of spring 52 is resisted against on ring-shaped step.Also include can
Drive the Manual pressure bar 91 that described iron core 501 moves downward, Manual pressure bar 91 part is located in electromagnetism and holds
In units, the bottom of Manual pressure bar 91 is just relative with the upper end of described iron core 501, presses manually
The upper end of bar 91 is provided with the through hole vertical with described Manual pressure bar 91 length direction, is equipped with through hole
Movable latch 92.
When not using, by movable latch 92, Manual pressure bar 91 is positioned at the top of iron core 501,
When needing using Manual pressure bar 91, movable latch 92 is extracted, presses down on Manual pressure bar 91,
Manually depression bar 91 band dynamic iron core 501 moves downward, and iron core 501 passes through connecting rod 503 drive
Support part 504 compression spring 52 simultaneously makes push rod 56 puncture rupture disk 6, so can be direct in scene of fire
Enable extinguishing chemical bottle it is also possible to perforation directly blocked by band dynamic head 54 when manually depression bar 91 is direct
55.
The product form of the present invention is not limited to this case diagram and embodiment, and anyone is similar to it
The suitable change of thinking or modification, all should be regarded as the patent category without departing from the present invention.
Claims (6)
1. one kind can interrupt electromagnetic control apparatus, including valve body, in valve body, be provided with upper chamber and cavity of resorption
Room, is provided with the import with extinguishing chemical bottle inner space, the junction of upper chamber and lower chambers in lower chambers
It is provided with valve seat, valve seat is provided with and can be provided with upper chamber and work as flap in the flap of epicoele indoor moving
Can be with the outlet of described import conducting when separating with valve seat；Also include in order to convey gas to upper chamber
Source of the gas；Also include the valve gap being arranged in upper chamber, valve gap is provided with passage, passage overlying
It is stamped rupture disk；Also include the electromagnetic actuator being connected on valve gap, be provided with electromagnetic actuator
In order to puncture the plug-in strip of described rupture disk and the spring driving plug-in strip return, the end of plug-in strip is provided with top
Bar it is characterised in that：Described flap is provided with the pole that can extend passage, and described electromagnetism executes unit
Being provided with part can be moved by plug-in strip closes the closing means of described passage.
2. as claimed in claim 1 can interrupt electromagnetic control apparatus it is characterised in that：Described envelope
Close the hex union that mechanism includes being connected to the upper end of described valve gap and the pressure being arranged on described plug-in strip
Head, described hex union is provided with the perforation mated with described pressure head, and described perforation corresponds to described ventilation
Hole is arranged, and described rupture disk is arranged between described perforation and described passage.
3. as claimed in claim 2 can interrupt electromagnetic control apparatus it is characterised in that：Described pressure
Head is located on described push rod for hemispherical and ring, described bore a hole as bellmouth, bellmouth lower surface straight
Footpath is more than the diameter of described push rod.
4. as claimed in claim 1 can interrupt electromagnetic control apparatus it is characterised in that：On described
Chamber offers through hole near one end of described valve gap, and described through hole is connected with QI invigorating joint, described benefit
Gas joint connects to described source of the gas.
5. as claimed in claim 1 can interrupt electromagnetic control apparatus it is characterised in that：Described electricity
It is provided with iron core and corresponding magnetic part in magnetic executive component, set between described plug-in strip and the lower surface of iron core
There is connecting rod, also include the Manual pressure bar that described iron core can be driven to move downward, the lower end of Manual pressure bar
Portion is just relative with the upper end of described iron core, and the upper end of Manual pressure bar is provided with and described Manual pressure bar length
The vertical through hole in direction, is equipped with movable latch in through hole.
6. as claimed in claim 1 can interrupt electromagnetic control apparatus it is characterised in that：Described valve
It is provided with sealing gasket between lobe and described valve seat, between described flap and described upper chamber, be provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253738.9A CN104048091B (en) | 2014-06-10 | 2014-06-10 | Interruptible electromagnetic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253738.9A CN104048091B (en) | 2014-06-10 | 2014-06-10 | Interruptible electromagnetic control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104048091A CN104048091A (en) | 2014-09-17 |
| CN104048091B true CN104048091B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410253738.9A Active CN104048091B (en) | 2014-06-10 | 2014-06-10 | Interruptible electromagnetic control device |
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| CN (1) | CN104048091B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358913B (en) * | 2014-10-15 | 2016-08-24 | 宁波三安制阀有限公司 | Electromagnetic priority valve |
| CN105351597B (en) * | 2015-12-09 | 2017-12-22 | 浙江信达可恩消防实业有限责任公司 | Starter for gas extinguishing system on-line checking |
| CN106621149A (en) * | 2016-11-30 | 2017-05-10 | 福建天广消防有限公司 | Suspended gas extinguishing device |
| CN106523773A (en) * | 2017-01-11 | 2017-03-22 | 山西新思备科技股份有限公司 | Electromagnetic pull pin type rapid opening mechanism |
| CN109065943B (en) * | 2018-08-17 | 2024-04-02 | 深圳赛骄阳能源科技股份有限公司 | Explosion-proof lithium ion battery |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3811675B2 (en) * | 1997-04-11 | 2006-08-23 | 川重防災工業株式会社 | Quick opening pressure control valve and fire extinguisher using the same |
| CN2407784Y (en) * | 2000-01-04 | 2000-11-29 | 番禺市胜捷消防器材设备有限公司 | Drive of CO2 fire fighting system |
| KR101175309B1 (en) * | 2010-07-12 | 2012-08-20 | (주)불끄레 | Valve control type fire extinguisher |
| CN202961589U (en) * | 2012-07-10 | 2013-06-05 | 西安新竹防灾救生设备有限公司 | Bottle valve for dry powder extinguishing device |
| CN203329236U (en) * | 2013-05-15 | 2013-12-11 | 上海海越安全工程设备有限公司 | Gas fire-extinguishing system container valve |
| CN203463687U (en) * | 2013-09-29 | 2014-03-05 | 宁波三安制阀有限公司 | Dry powder bottle head valve |
| CN203979581U (en) * | 2014-06-10 | 2014-12-03 | 天广消防股份有限公司 | A kind of can interrupt electromagnetic control apparatus |
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2014
- 2014-06-10 CN CN201410253738.9A patent/CN104048091B/en active Active
Also Published As
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| CN104048091A (en) | 2014-09-17 |
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Effective date of registration: 20160825 Address after: 362300 Quanzhou City, Fujian Province, the success of science and Technology Industrial Zone, Nanan Applicant after: Fujian Tianguang Fire-fighting Incorporated Company Address before: 362300 Quanzhou City, Fujian Province, the success of science and Technology Industrial Zone, Nanan Applicant before: Tianguang Fire Fighting Co.,Ltd. |
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