CN104048091A - Interruptible electromagnetic control device - Google Patents
Interruptible electromagnetic control device Download PDFInfo
- Publication number
- CN104048091A CN104048091A CN201410253738.9A CN201410253738A CN104048091A CN 104048091 A CN104048091 A CN 104048091A CN 201410253738 A CN201410253738 A CN 201410253738A CN 104048091 A CN104048091 A CN 104048091A
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- China
- Prior art keywords
- upper chamber
- valve
- strip
- plug
- vent
- Prior art date
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Safety 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 gear field, be specifically related to a kind of can interrupt electromagnetic control apparatus.
Background technique
Existing a kind of electromagnetic control apparatus comprises valve body, be arranged in valve body spool, lid are located at the valve gap on valve body and are connected to the electromagnetic actuator on valve gap.In valve body, be provided with the lower chambers with extinguishing agent bottle intracavity inter-connection, lower chambers is provided with the import of conveying extinguishing agent; Valve body is also provided with upper chamber, and upper chamber is provided with the outlet for extinguishing agent ejection.Flap is arranged between upper chamber and lower chambers and moves up and down in Bing Ke upper chamber, for realizing sealing and the connection between lower chambers and outlet.On valve gap, be provided with the vent being communicated with upper chamber, vent upper end is fixed with to hide the rupture disk of vent, electromagnetic actuator is provided with the plug-in strip corresponding with rupture disk, after electromagnetic actuator energising, plug-in strip can move downward and puncture rupture disk, after electromagnetic actuator dead electricity, under return spring effect, plug-in strip is got back to origin-location, and the gas in upper chamber escapes into the valve body external world from the rent of rupture disk.Also comprise the tonifying Qi joint being communicated with valve body upper chamber, tonifying Qi joint is connected to source of the gas.
This electromagnetic control apparatus is arranged on to disaster hidden-trouble point, electromagnetic actuator is connected to central control chamber, the import of valve body is connected with extinguishing agent bottle inner chamber, by source of the gas to upper chamber's conveying gas body, upper chamber is pressurizeed, mineralization pressure between upper chamber and lower chambers, forces flap to move downward and realizes the sealing between export and import, avoids extinguishing agent in extinguishing agent bottle inner chamber to spray from outlet.When breaking out of fire, fire signal is passed to central control chamber, central control chamber starts electromagnetic actuator after receiving signal, electromagnetic actuator obtains electric back switch blade and moves downward and puncture rupture disk, follow electromagnetic actuator dead electricity, plug-in strip is got back to original position under the effect of return spring, the gas of upper chamber is overflowed from the rupture disk puncturing through vent, upper chamber's pressure reduces, and between extinguishing agent bottle inner chamber and upper chamber, mineralization pressure is poor and promote flap and move upward and seal tonifying Qi joint, the import of valve body and outlet conducting, extinguishing agent is from outlet ejection, put out a fire.
Once yet existing this electromagnetic control apparatus electromagnetic actuator punctures after rupture disk by plug-in strip, upper chamber and valve body are extraneous to be communicated with, the gas of upper chamber escapes into the valve body external world by vent, after flap moves upward (being equivalent to valve body opens), cannot close midway, after the extinguishing agent that need wait until extinguishing agent bottle inner chamber sprays, then readjust the position of flap.Like this, occur the situations such as wrong report, misoperation when scene, valve body cannot be closed after opening midway, can cause the waste of extinguishing agent and affect life and property safety.
Given this, this case inventor further investigate the problems referred to above, then has this case to produce.
Summary of the invention
The object of the present invention is to provide a kind of convenience can interrupt electromagnetic control apparatus what spray valve body midway.
In order to achieve the above object, the present invention adopts such technological scheme:
A kind of can interrupt electromagnetic control apparatus, comprise valve body, in valve body, be provided with upper chamber and lower chambers, in lower chambers, be provided with the import being communicated with extinguishing agent bottle inner chamber, the joint of upper chamber and lower chambers is provided with valve seat, on valve seat, being provided with can be at the flap of epicoele indoor moving, in upper chamber, be provided with when flap is separated with valve seat can with the outlet of described import conducting; Also comprise in order to the source of the gas to upper chamber's conveying gas body; Also comprise the valve gap being arranged in upper chamber, valve gap is provided with vent, is coated with rupture disk on vent; Also comprise the electromagnetic actuator being connected on valve gap, in electromagnetic actuator, be provided with to puncture the plug-in strip of described rupture disk and the spring that drives 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 vent, is provided with and can is moved and be sealed the closing means of described vent by plug-in strip on described electromagnetic actuator.
In such scheme, described closing means comprises the hex union of the upper end that is connected to described valve gap and is arranged on the pressure head on described plug-in strip, described hex union is provided with the perforation of mating with described pressure head, the corresponding described vent setting of described perforation, described rupture disk is arranged between described perforation and described vent.
Preferably, described pressure head is that hemisphere and ring are located on described push rod, and described perforation is cone shape hole, and the diameter of described cone shape hole lower end surface is greater than the diameter of described push rod.
In such scheme, described upper chamber offers through hole near one end of described valve gap, and described through hole is connected with tonifying Qi joint, and described tonifying Qi joint is connected to described source of the gas.
Further, in described electromagnetic actuator, be provided with iron core and corresponding magnetic portion, between described plug-in strip and the lower end surface of iron core, be provided with connecting rod, also comprise the Manual pressure bar that can drive described iron core to move downward, the underpart of Manual pressure bar is just relative with the upper end portion of described iron core, the upper end of Manual pressure bar is provided with the through hole vertical with described Manual pressure bar length direction, is equipped with movable latch in through hole.
In such scheme, described flap and described valve seat joint are provided with sealing gasket, between described flap and described upper chamber, are provided with seal ring.
Adopt after technological scheme of the present invention, can be electrically connected to central control chamber by interrupt electromagnetic control apparatus, the entrance of valve body is connected with extinguishing agent bottle inner chamber, under normal state, by source of the gas, to upper chamber, carry a certain amount of gas to make to form between upper chamber and lower chambers certain pressure difference, force flap to move downward to valve seat, valve body import and outlet are cut off.When breaking out of fire, central control chamber receives fire signal, start electromagnetic actuator, electromagnetic actuator obtain electric after, drive plug-in strip to move downward and puncture rupture disk, follow electromagnetic actuator dead electricity, plug-in strip is got back to original position under the effect of spring, the gas of upper chamber is overflowed from the rent of rupture disk, gas pressure in upper chamber reduces rapidly, until the pressure in fire suppression bottle is greater than the gas pressure of upper chamber, flap moves upward and seals source of the gas under gas pressure difference effect, pole on flap extends the upper end of vent simultaneously, the import of valve body and outlet conducting, extinguishing agent is from exporting rapid ejection, put out a fire in scene.When there is signal wrong report or misoperation, by central control chamber, controlling electromagnetic control apparatus makes electromagnetic actuator continue electricly, plug-in strip moves downward, push rod on plug-in strip acts on pole, promotion flap moves downward certain distance makes source of the gas conducting to valve body upper chamber, closing means on plug-in strip seals vent simultaneously, source of the gas forms certain gas pressure to upper chamber's conveying gas body forces flap to fall to valve seat, realize the partition of valve body import and outlet, thus a kind of valve body is midway provided can interrupt electromagnetic control apparatus.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged view at A place 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-outlet 2-valve gap
21-vent 3-flap
31-sealing gasket 32-seal ring
4-valve seat 5-electromagnetic actuator
501-iron core 502-magnetic portion
503-connecting rod 504-supporting portion
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-tonifying Qi joint
91-Manual pressure bar 92-movable latch
10-pressure gauge
Embodiment
In order further to explain, be described in detail technological scheme of the present invention below in conjunction with accompanying drawing.
See figures.1.and.2, a kind of can interrupt electromagnetic control apparatus, this device can be contained on extinguishing agent bottle, with the self-extinguishing that realizes extinguishing agent bottle.This device comprises valve body 1, is provided with upper chamber 11 and lower chambers 12 in valve body 1, and the lower end of lower chambers 12 is provided with valve body import 112, during use, valve body import 112 is filled to extinguishing agent bottle inner chamber.The joint of upper chamber 11 and lower chambers 12 is provided with valve seat 4, is provided with the flap 3 moving up and down in Ke upper chamber 11 on valve seat 4, and flap 3 and valve seat 4 interactions place are provided with sealing gasket 31, and the position that flap 3 contacts with upper chamber 11 inwalls is provided with seal ring 32.In upper chamber 11, be provided with when flap 3 is separated with valve seat 4 can with the outlet 111 of described import 112 conductings, when flap 3 is with certain pressure-acting during in valve seat 4, the isolation of realization to import 112 and outlet 11, when moving upward, flap 3 lifts off a seat 4 time, import 112 and outlet 111 conductings, the extinguishing agent of extinguishing agent bottle inner chamber under the pressure-acting of fire suppression bottle inner chamber through import 112 from exporting 111 ejections.Extinguishing agent is selected fire-suppressant gas or dry powder conventionally, and outlet 111 can be arranged on the sidewall of lower chambers 111 lower ends.
The present invention can also be provided with in order to the charging hole to fire suppression bottle lumen loading extinguishing agent at lower chambers 12 places, and charging hole is from lower chambers is communicated to fire suppression bottle, and charging hole is provided with pressure gauge 10.Extinguishing agent in fire suppression bottle pack the extinguishing agent of capacity rating into by charging hole after, is contained on charging hole pressure gauge 10 in order to carry out pressure monitoring after using.
This device also comprises source of the gas (not shown), and in order to carry gas to upper chamber 11, Yi upper chamber 11 forms certain pressure, and then drives flap 3 to move downward to valve seat 4.Specifically upper chamber's 11 sidewalls offer through hole near one end of described valve gap 2, and described through hole is connected with tonifying Qi joint 8, and described tonifying Qi joint 8 is connected to described source of the gas.When flap 3 moves to the top of upper chamber 11, flap 3 can be blocked tonifying Qi joint 8, stops source of the gas to carry gas to upper chamber 11; When flap 3 drops to valve seat 4, source of the gas can be carried gas to upper chamber 11 by tonifying Qi joint 8, to keep the pressure of 3 pairs of valve seats 4 of flap.
Valve gap 2 of the present invention is threaded connection the upper end portion that is arranged on valve body 1, and on valve gap, 2 are provided with vent 21, and vent 21 connects valve gap 2 from the central axis of valve gap 2.Upper end week edge at vent 21 offers receiving groove, is provided with rupture disk 6 in receiving groove, and the center of rupture disk 6 is just relative with vent 21.
The present invention also comprises the electromagnetic actuator 5 being connected on valve gap 2, and electromagnetic actuator 5 is electrically connected to central control chamber by wire 57, controls electromagnetic actuator 5 obtain electric and power-off by central control chamber.In electromagnetic actuator 5, be provided with to puncture the plug-in strip 51 of described rupture disk 6 and the spring 52 that drives plug-in strip 51 returns.Electromagnetic actuator 5 electric after, drive plug-in strip 51 to move downward, after electromagnetic actuator 5 power-off, plug-in strip 51 is got back to original position under the effect of spring 52, by electromagnetic action, drive plug-in strip 51 motion by prior art, to be disclosed, wherein utilize iron core with coil when switching on and the adhesive of corresponding magnetic portion, during dead electricity, core magnetism performance disappear and under return spring effect return, no longer describe in detail here.
Special way of the present invention is: described flap 3 is provided with the pole 7 that can extend vent 21, and pole 7 is stretched out the upper end of flap 3, and when flap 3 moves to the top of upper chamber 11, pole 7 is stretched in vent 21.On electromagnetic actuator 5, being provided with can be by the closing means of the described vent 21 of plug-in strip 51 motion sealing.In an embodiment, closing means comprises the hex union 53 of the upper end that is connected to described valve gap 2 and is arranged on the pressure head 54 on described plug-in strip 51, and electromagnetic actuator 5 is fixed on the upper end of valve gap 2 by hex union 53.Described hex union 53 is provided with the perforation 55 of mating with described pressure head 54.Perforation 55, vent 21, plug-in strip 51 threes' central axis is positioned at same straight line.Described rupture disk 6 is arranged between described perforation 55 and described vent 21.In an embodiment, the end of described plug-in strip 51 is provided with push rod 56, described pressure head 54 is located at described push rod 56 upper ends for hemisphere and ring, described perforation 55 is made as cone shape hole, the diameter of described cone shape hole lower end surface is greater than the diameter of described push rod 56, the diameter of pressure head 54 is greater than the diameter of cone shape hole lower end surface and is less than the diameter of cone shape hole upper-end surface, guarantees that pressure head 54 can realize better sealability after falling into cone shape hole.When electromagnetic actuator 5 electric after, plug-in strip 51 moves downward Compress Spring 52 simultaneously, and push rod 56, through perforation 55, punctures rupture disk 6 and stretches in vent 21, when push rod 56 stretches into vent 21 when interior, pressure head 54 is supported and in cone shape hole, is realized the sealing to vent 21; Then electromagnetic actuator 5 power-off, plug-in strip 51 is got back to original position under the effect of spring 52.Must electricly can manually controlling by central control chamber with power-off of electromagnetic actuator 5, also can carry out by working out corresponding program.After plug-in strip 51 returns, in upper chamber 11, gas overflows from vent 21, between upper chamber 11 and lower chambers 12, mineralization pressure is poor, force flap 3 to move upward, the sidewall of flap 3 closes tonifying Qi joint 8, meanwhile, 7 of poles enter vent 21, and the upper end of pole 7 extends the upper end of vent 21.
Adopt after technological scheme of the present invention, when there is signal wrong report, need to make flap 3 drop down onto on valve seat 4 to realize the outlet sealing of extinguishing agent bottle, when concrete, realize in the following way: when central control chamber knows that alarm signal is wrong report, the switch of controlling electromagnetic actuator 5 make electromagnetic actuator 5 again electric, plug-in strip 51 move downward after electric, the push rod 56 of plug-in strip 51 ends is through perforation 55 and enter vent 21, push rod 56 promotes pole 7 and drives the certain distance of flap 3 decline, the sidewall of flap 3 is separated with tonifying Qi joint 8, plug-in strip 51 moves downward and is with dynamic head 54 to drop in perforation 55 simultaneously, block perforation 55, source of the gas is carried gas and forms certain pressure to upper chamber 11 by tonifying Qi joint 8, thereby drive flap 3 to move downward until flap 3 falls into valve seat 4, realization will export 112 sealings.
With reference to Fig. 3, as a further improvement on the present invention, in electromagnetic actuator of the present invention, be provided with iron core 501, iron core 501 peripheral hardwares have coil, iron core 501 belows are provided with corresponding magnetic portion 502, in electromagnetic actuator, be provided with for the up and down cavity of iron core 501, in the lower end surface of iron core 501, be fixed with the connecting rod 503 to downward-extension, the lower end of connecting rod 503 is passed from magnetic Bu502 center and is connected supporting portion 504, 504 lower ends, supporting portion connect plug-in strip 51, position at the corresponding plug-in strip 51 in the inside of electromagnetic actuator is provided with ring-shaped step, spring 52 is set in plug-in strip 51, the upper end of spring 52 is resisted against the lower end surface of supporting portion 504, the lower end abutment of spring 52 is on ring-shaped step.Also comprising the Manual pressure bar 91 that can drive described iron core 501 to move downward, Manual pressure bar 91 parts are located in electromagnetic actuator, the underpart of Manual pressure bar 91 is just relative with the upper end portion of described iron core 501, the upper end of Manual pressure bar 91 is provided with the through hole vertical with described Manual pressure bar 91 length directions, is equipped with movable latch 92 in through hole.
When not using, by movable latch 92, Manual pressure bar 91 is positioned to the top of iron core 501, when needs are used Manual pressure bar 91, movable latch 92 is extracted, press Manual pressure bar 91 downwards, by Manual pressure bar 91, drive iron core 501 to move downward, iron core 501 is driven supporting portion 504 Compress Springs 52 and is made push rod 56 puncture rupture disk 6 by connecting rod 503, can directly enable in scene of fire extinguishing agent bottle like this, also can be by Manual pressure bar 91 be with dynamic head 54 directly to block perforation 55 directly time.
Product form of the present invention is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not departing from patent category of the present invention.
Claims (6)
- One kind can interrupt electromagnetic control apparatus, comprise valve body, in valve body, be provided with upper chamber and lower chambers, in lower chambers, be provided with the import being communicated with extinguishing agent bottle inner chamber, the joint of upper chamber and lower chambers is provided with valve seat, on valve seat, being provided with can be at the flap of epicoele indoor moving, in upper chamber, be provided with when flap is separated with valve seat can with the outlet of described import conducting; Also comprise in order to the source of the gas to upper chamber's conveying gas body; Also comprise the valve gap being arranged in upper chamber, valve gap is provided with vent, is coated with rupture disk on vent; Also comprise the electromagnetic actuator being connected on valve gap, in electromagnetic actuator, be provided with to puncture the plug-in strip of described rupture disk and the spring that drives plug-in strip return, the end of plug-in strip is provided with push rod, it is characterized in that: described flap is provided with the pole that can extend vent, on described electromagnetic actuator, be provided with and can move and seal the closing means of described vent by plug-in strip.
- 2. as claimed in claim 1 can interrupt electromagnetic control apparatus, it is characterized in that: described closing means comprises the hex union of the upper end that is connected to described valve gap and is arranged on the pressure head on described plug-in strip, described hex union is provided with the perforation of mating with described pressure head, the corresponding described vent setting of described perforation, described rupture disk is arranged between described perforation and described vent.
- 3. as claimed in claim 2 can interrupt electromagnetic control apparatus, it is characterized in that: described pressure head is that hemisphere and ring are located on described push rod, and described perforation is cone shape hole, and the diameter of cone shape hole lower end surface is greater than the diameter of described push rod.
- 4. as claimed in claim 1 can interrupt electromagnetic control apparatus, it is characterized in that: described upper chamber offers through hole near one end of described valve gap, described through hole is connected with tonifying Qi joint, described tonifying Qi joint is connected to described source of the gas.
- 5. as claimed in claim 1 can interrupt electromagnetic control apparatus, it is characterized in that: in described electromagnetic actuator, be provided with iron core and corresponding magnetic portion, between described plug-in strip and the lower end surface of iron core, be provided with connecting rod, also comprise the Manual pressure bar that can drive described iron core to move downward, the underpart of Manual pressure bar is just relative with the upper end portion of described iron core, the upper end of Manual pressure bar is provided with the through hole vertical with described Manual pressure bar length direction, is equipped with movable latch in through hole.
- 6. as claimed in claim 1 can interrupt electromagnetic control apparatus, it is characterized in that: between described flap and described valve seat, be provided with sealing gasket, between described flap and described upper chamber, be provided with seal 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 |
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| Publication Number | Publication Date |
|---|---|
| CN104048091A true CN104048091A (en) | 2014-09-17 |
| CN104048091B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358913A (en) * | 2014-10-15 | 2015-02-18 | 宁波三安制阀有限公司 | Electromagnetic pilot operated valve |
| CN105351597A (en) * | 2015-12-09 | 2016-02-24 | 浙江信达可恩消防实业有限责任公司 | Starting device for on-line detection of gas fire-extinguishing system |
| 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 |
| CN106621149A (en) * | 2016-11-30 | 2017-05-10 | 福建天广消防有限公司 | Suspended gas extinguishing device |
| CN109065943A (en) * | 2018-08-17 | 2018-12-21 | 曾荣桂 | A kind of anti-explosion lithium ion battery |
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| 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 |
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| 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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| JP2003240152A (en) * | 1997-04-11 | 2003-08-27 | Kawasaki Safety Service Industries Ltd | Rapid opening pressure regulating valve, and extinguishing device using valve |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358913A (en) * | 2014-10-15 | 2015-02-18 | 宁波三安制阀有限公司 | Electromagnetic pilot operated valve |
| CN105351597A (en) * | 2015-12-09 | 2016-02-24 | 浙江信达可恩消防实业有限责任公司 | Starting device for on-line detection of gas fire-extinguishing system |
| 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 |
| CN109065943A (en) * | 2018-08-17 | 2018-12-21 | 曾荣桂 | A kind of anti-explosion lithium ion battery |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104048091B (en) | 2017-02-08 |
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