CN101507869A - Electric control selection valve and active bottle control distribution method using the valve - Google Patents
Electric control selection valve and active bottle control distribution method using the valve Download PDFInfo
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- CN101507869A CN101507869A CNA2009100970238A CN200910097023A CN101507869A CN 101507869 A CN101507869 A CN 101507869A CN A2009100970238 A CNA2009100970238 A CN A2009100970238A CN 200910097023 A CN200910097023 A CN 200910097023A CN 101507869 A CN101507869 A CN 101507869A
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Abstract
The invention discloses an electric control selection valve and an active bottle control and distribution method using the same. The electric control selection valve is combined by connecting an electric control driving device and a selection valve, wherein the inside of the electric control driving device is provided with a metal sealing film which divides the interior of the electric control driving device into an upper space and a lower space, and the electric control driving device is also provided with a driving gas outlet; and the body of the selection valve is provided with a main air inlet and a main air outlet. The method comprises that a plurality of fire-extinguishing and storing bottles and the electric control selection valves are arranged, and the main air outlet of each electric control selection valve is respectively opposite to a protection area; and one of the fire-extinguishing and storing bottles is used as an active bottle, and the other fire-extinguishing and storing bottles are used as passive bottles. The electric control selection valve has the advantages of reliably and steadily opening a valve port, and combining the electric control driving device and the selection valve into a whole. The method has the advantages of reducing control links, improving the control reliability, using one fire-extinguishing bottle as the active bottle, turning on the selection valve and the passive bottles thereof according to needs, and directly starting by electric control.
Description
Technical field
The present invention relates to a kind of extinction using gas with selector valve and control distribution system, especially a kind of automatically controlled selector valve and use an active bottle control and distribution method of this valve.
Background technology
In the combination of gas extinguishing system distributes at present, the startup structure of its critical component selector valve as shown in Figure 1, which is provided with the tripping mechanism of forming by trip shaft 12 ', starting handle 11 ' and cross bar arm 13 ', start cylinder 14 ' and be provided with air inlet 15 ' and gas outlet 16 '.This selector valve be applied in the fire extinguishing system control distribution principle figure as shown in Figure 2, each selector valve 1 ' needs one to one, and configuration starts small steel cylinder 9 ', the air inlet 15 ' that starts on the cylinder 14 ' is connected with startup small steel cylinder 9 ', gas outlet 16 ' is connected with pilot valve 5 ' on each extinguishing chemical reservoir bottle 10 ', control starts the electric control gear action on the small steel cylinder 9 ' during use, discharge the gas that starts in the small steel cylinder 9 ', by starting copper pipe 3 ' gas is passed in the startup cylinder 14 ' through air inlet 15 ', promote starting handle 11 ' around trip shaft 12 ' rotation, after forwarding the dropout position to, cross bar arm 13 ' is threaded off, open the path that selector valve 1 ' connects extinguishing chemical reservoir bottle 10 ', gas is 16 ' the extinguishing chemical reservoir bottle 10 ' by the corresponding guard plot of startup copper pipe 3 ' unlatching from the gas outlet, extinguishing chemical in the extinguishing chemical reservoir bottle 10 ' is washed the interior spool of the selector valve 1 ' of threading off open by isocon 8 ' and header 7 ', cross bar arm 13 ' ejects selector valve 1 ', breakdown action is finished, and fire extinguishing system is spurted extinguishing chemical enforcement fire extinguishing to this selector valve 1 ' pairing guard plot.
The tripping mechanism of above selector valve can produce bigger impulsive force and bounce when threading off; When being applied to fire extinguishing system, utilize to start the steel cylinder startup, middle controlling unit is many, and control piper is long, and contact is many, and maintenance workload is big; And design what guard plots (the national regulation regulation of fire extinguishing system design is 8 guard plots the most nearly), will dispose what startup small steel cylinders, as guaranteeing that system normally moves, just must guarantee that each air pressure that starts small steel cylinder is normal, and the volume that starts small steel cylinder is little, generally have only 1/20th of extinguishing chemical reservoir bottle group, because the air storage amount is few, leakage certainly exists again, for guaranteeing the system health operation, the management coefficient will improve.
As shown in Figure 3; for avoiding above problem; external famous fire-fighting equipment is made supplier; as U.S. Ansul Inc. without small steel cylinder as starting bottle; and adopt the extinguishing chemical reservoir bottle as the moving startup method of the principal and subordinate who starts bottle; promptly a guard plot extinguishing chemical reservoir bottle of setting is an active bottle; electric control gear 4 ' directly is contained on the active bottle 2 '; the corresponding selector valve 1 ' of this protection zone and other extinguishing chemical reservoir bottle of spurting (driven bottle 6 ') of starting to this district; in its start-up course except that rely on active bottle 2 ' open selector valve 1 ' different with startup small steel cylinder startup method shown in Figure 2, other processes are all identical.This method is compared with starting small steel cylinder startup method, be a a progressive step, but a plurality of active bottle still need be established in a plurality of guard plot, and governing factor is still disperseed relatively.
By national design specification (GB50370-2005) regulation, the pipe network fire extinguishing system should be established automatic control, manually control and three kinds of Starting mode of mechanical emergency operation.Mechanical emergency in Starting mode operation as shown in Figure 2, be to start under the situation of failing at preceding two kinds, adopt the selector valve of the required enforcement fire extinguishing of artificial unlatching guard plot and set the extinguishing chemical reservoir bottle group that sprays to this guard plot, the extinguishing chemical reservoir bottle group that sprays to which guard plot is distinguished with mark, what have sprays to a guard plot, what have sprays to two guard plots, what have sprays to a plurality of guard plots (may be at most 8 guard plots), when mechanical emergency is operated, need find out one by one, and manually start one by one, this just might bungle the chance of winning a battle or produce bust, the extinguishing chemical reservoir bottle One's name is legion (tens individual to hundreds of) that particularly large-scale guard plot is used, it is accurate, more difficult to reach installation.Usually the method for the mechanical interlock that adopts (drag-line mechanism), mechanism's complexity, installation difficulty are very big.The control method of the corresponding guard plot of active bottle as shown in Figure 3, under the situation of active bottle control failure, when needing the mechanical emergency operation, exist too and seek this guard plot selector valve and affiliated extinguishing chemical reservoir bottle group, and open with artificial one by one respectively, might bungle the chance of winning a battle or produce the defective of bust.
Summary of the invention
Technical problem to be solved by this invention provides a kind of reliable automatically controlled selector valve of steadily opening valve port, electric control driving device and selector valve being combined into one; A kind of minimizing controlling unit also be provided, improved the control reliability, with an extinguishing chemical bottle group as active bottle, start as required selector valve and under driven bottle, an active bottle control and distribution method of this valve of use of automatically controlled direct startup.
The present invention addresses the above problem the technical scheme that is adopted: this selector valve is connected combination by electric control driving device with selector valve, be provided with the metal seal membrane in the electric control driving device, the metal seal membrane will be separated into upper space and lower space in the electric control driving device, and electric control driving device is provided with the driving gas gas outlet; Selector valve comprises valve body, valve gap, valve rod, piston, cylinder head and spring, valve body is provided with total air inlet and total gas outlet, valve gap, valve rod, piston, cylinder head and spring are positioned at valve body, spring, piston, cylinder head, valve gap are sleeved on the valve rod successively, and valve gap is positioned at place, total gas outlet, and cylinder head is fixed in the valve body; The space that forms between valve gap, valve rod, cylinder head, the valve interior wall communicates with lower space in the electric control driving device, and the space that forms between cylinder head, valve rod, piston, the valve interior wall communicates with upper space, driving gas gas outlet in the electric control driving device.
Described selector valve also comprises bonnet, and total gas outlet is positioned at the upper end of valve body, and bonnet is fixed on the lower end of valve body.
Described selector valve also comprises the cylinder skull, and the cylinder skull is sleeved on the valve rod and is fixed on the cylinder head.
Described total air inlet is positioned at side of valve body.
Use the extinction using gas control distribution method of this valve to be: several extinguishing chemical reservoir bottle and several automatically controlled selector valves are set, total air inlet on each automatically controlled selector valve, driving gas gas outlet link to each other with the extinguishing chemical reservoir bottle by pipeline, respectively corresponding guard plot, total gas outlet on each automatically controlled selector valve, as active bottle, all the other extinguishing chemical reservoir bottle are as driven bottle with one of them extinguishing chemical reservoir bottle; During fire extinguishing, start the electric control driving device that needs in the pairing automatically controlled selector valve in fire extinguishing guard plot, puncture the metal seal membrane, the gas pressure that discharges by active bottle after always air inlet enters valve body to the upper space of electric control driving device, enter the lower space of electric control driving device again, gas pressure is divided into two-way afterwards, one the tunnel enters the plunger shaft of valve body, promote piston, draw back total gas outlet, another road leads to the pilot valve of driven bottle under this guard plot from the driving gas gas outlet, opens driven bottle, extinguishing chemical in the driven bottle enters header, spurts to this guard plot from total gas outlet at last.
The gas vent of each extinguishing chemical reservoir bottle all is connected to high-pressure hose in this method, and each high-pressure hose links to each other with header, and header links to each other with total air inlet on each automatically controlled selector valve then.
Driving gas gas outlet in this method on each automatically controlled selector valve links to each other with the extinguishing chemical reservoir bottle by each primer liner.。
The present invention compared with prior art has following beneficial effect:
1, this automatically controlled selector valve adopts the pressure seat formula angle valve structure that piston pulling valve port is opened, design gives the fixed piston pulling force greater than the self-styled power of valve port (adding frictional force and back-moving spring power), guarantee that selector valve can start under the minimum pressure requiring, before piston draws back valve port and puts in place, with spring as buffer unit, also design has the air bag buffer unit, guarantees that the selector valve unlatching is more steady, tripping mechanism is threaded off and produced when not existing existing selector valve to open impulsive force and bounce;
2, this automatically controlled selector valve has been combined in electric control driving device with selector valve, directly start selector valve by electric control driving device, each selector valve no longer needs to dispose one by one startup small steel cylinder or active bottle, small steel cylinder or a plurality of active bottle have been saved, corresponding a series of controlling units have also just been saved, not only save cost, also make and control the simplification that becomes, thereby improved the reliability of control;
When 3, this automatically controlled selector valve is applied to the extinction using gas combined distribution system, only need just can control a plurality of guard plots as active bottle, implement fire extinguishing on demand with an extinguishing chemical reservoir bottle, realize control respectively, reduce controlling unit, the centralized Control element has greatly improved the control reliability;
4, this extinction using gas control distribution system can make mechanical emergency simple to operate, accurately, fast, the quantity of extinguishing chemical reservoir bottle is to be provided with by the requirement in maximum protection district, when needing, other guard plots use a part wherein, if the words of eight guard plots are arranged, the extinguishing chemical reservoir bottle has plenty of a guard plot and uses it, have plenty of a plurality of guard plots and use it, be at most that it is all used in eight guard plots, in tens or a hundreds of extinguishing chemical reservoir bottle, it is right to look for as required, make uniform, manual unlocking one by one, it or not a nothing the matter, especially under the state of emergency that need fight a fire, might produce bust and incur loss through delay opportunity of combat, this system adopts automatically controlled selector valve and the control method that the extinguishing chemical reservoir bottle is an active bottle, can make mechanical emergency operate the operation that realizes semi-automation, as long as the artificial selector valve of opening active bottle and this guard plot, the driven bottle of the extinguishing chemical under this guard plot selector valve can be opened under the action of gas source of active bottle automatically;
5, the most outstanding effect of this extinction using gas control distribution system is that any one driven bottle can substitute active bottle, under the least favorable state, be that the former active bottle that is provided with starts failure (gas pressure deficiency or mechanical breakdown), substitute active bottle as long as open arbitrary extinguishing chemical reservoir bottle (former driven bottle) again, can realize that equally the driven bottle under this guard plot selector valve starts automatically, one of described arbitrary extinguishing chemical reservoir bottle (former driven bottle) preferably former active bottle back, the control method of an active bottle of this usefulness, up to the present, internal and international all discoveries as yet.
Description of drawings
Fig. 1 is the structural representation of existing selector valve.
Fig. 2 is a kind of control distribution principle figure of existing fire extinguishing system.
Fig. 3 is the control distribution principle figure of another kind of existing fire extinguishing system.
Fig. 4 is the structural representation of automatically controlled selector valve among the present invention.
Fig. 5 is the A place enlarged drawing of Fig. 4.
Fig. 6 is the schematic diagram of extinction using gas control distribution system among the present invention.
The specific embodiment
Referring to Fig. 4 and Fig. 5, connect to form by electric control driving device I and selector valve II, be provided with metal seal membrane 1 in the electric control driving device I, metal seal membrane 1 will be separated into upper space I-1 and lower space I-2 in the electric control driving device I, and electric control driving device I is provided with driving gas gas outlet 11.Selector valve II comprises valve body 2, valve gap 3, valve rod 4, piston 7, cylinder head 6 and spring 8, valve body 2 is provided with total air inlet 13 and total gas outlet 12, valve gap 3, valve rod 4, piston 7, cylinder head 6 and spring 8 are positioned at valve body 2, spring 8, piston 7, cylinder head 6, valve gap 3 are sleeved on the valve rod 4 successively, and valve gap 3 is positioned at 12 places, total gas outlet, cylinder head 6 is fixed in the valve body 2, and the end of valve body 2 is equipped with bonnet 9; The space II-1 that forms between valve gap 3, valve rod 4, cylinder head 6, valve body 2 inwalls communicates with the lower space I-2 among the electric control driving device I, and the space II-2 that forms between cylinder head 6, valve rod 4, piston 7, valve body 2 inwalls communicates with upper space I-1, driving gas gas outlet 11 among the electric control driving device I.
This automatically controlled selector valve is combined into one electric control driving device I and selector valve II, and the path between electric control driving device I and the selector valve II separates with metal seal membrane 1, and selector valve II is a pressure seat formula angle valve structure.When electric control driving device I operating magnet, after metal seal membrane 1 is punctured, gas in the active bottle enters space II-1 valve body 2 from total air inlet 13, enter the lower space I-2 among the electric control driving device I then, behind metal seal membrane 1 place, gas is divided into two-way, one the tunnel enters the upper space I-1 among the electric control driving device I, enter the space II-2 in the valve body 2 again, promoting piston 7 moves down, pulling valve rod 4 is opened total gas outlet 12 (being the valve port of selector valve), and another road is the 11 driven bottles towards this automatically controlled selector valve correspondence from the driving gas gas outlet.Will guarantee during design that piston 7 suffered motive forces are greater than the self-styled power of valve port, to guarantee that valve port is certain to be drawn back, spring 8 plays cushioning effect simultaneously as resetting means, valve port draw back put in place before, also design has air bag buffering, makes unlatching more steady.It makes active bottle with an extinguishing chemical reservoir bottle, controls the selector valve and the affiliated driven bottle of all guard plots as required respectively, has saved all too many levels such as the startup bottle group of each selector valve correspondence and control pipe network thereof, makes control more reliable.
Referring to Fig. 6, use the extinction using gas control distribution system of this automatically controlled selector valve to comprise 20 extinguishing chemical reservoir bottle 14 (label a～t) and six automatically controlled selector valves 15, each automatically controlled selector valve 15 corresponding guard plot (label A～F), (label is an active bottle a) to one of them extinguishing chemical reservoir bottle, and (label b～t) is driven bottle to all the other extinguishing chemical reservoir bottle; The gas vent of each extinguishing chemical reservoir bottle 14 all is connected to high-pressure hose 16, and each high-pressure hose 16 links to each other with header 17, and header 17 links to each other with total air inlet 13 on each automatically controlled selector valve 15 then.Driving gas gas outlet 11 on each automatically controlled selector valve 15 is connected with each extinguishing chemical reservoir bottle 14 respectively by primer liner 18, and the total gas outlet 12 on each automatically controlled selector valve 15 communicates with each guard plot.In addition, on header 17, also be equipped with to hang down and let out high pressure valve 19 and safety valve 10, gas control or the artificial pilot valve of opening 20 are housed on each extinguishing chemical reservoir bottle 14, on the pneumatic pipeline between each extinguishing chemical reservoir bottle 14, gas control check valve 21 is installed.
When the breaking out of fire of a certain guard plot, the course of work when needing to implement fire extinguishing is:
When (1) system was in automatic control, after fire alarm control unit was received smoke alarm, two kinds of signals of temperature detection device, fire-alarm just gave the alarm, and notifies this guard plot Field Force to withdraw; Send instruction simultaneously, close this door and window of closing of setting in advance, blower fan etc.; Delay time after 30 seconds, send instruction and start active bottle (the extinguishing chemical reservoir bottle of label a), extinguishing chemical enters header 17 backs and arrives in each automatically controlled selector valve 15 along pipeline, this moment is if guard plot A need put out a fire, the automatically controlled selector valve 15-1 of this guard plot correspondence has started, and the valve internal pressure can be opened this automatically controlled selector valve, opens the affiliated driven bottle (the extinguishing chemical reservoir bottle of label b to t) in this guard plot simultaneously automatically, extinguishing chemical spurts to this guard plot by automatically controlled selector valve 15-1, implements fire extinguishing.If guard plot B need put out a fire, then the automatically controlled selector valve 15-2 of this guard plot correspondence starts, and the driven bottle of the extinguishing chemical of affiliated m to t is opened; By that analogy.
When (2) system is in manual control, behind operator on duty's HEARING THE FIRE ALARM signal, should check whether need start-up system, if fire is little, can put out a fire to save life and property with other people construction method, can be by emergency stop push button, as the need start-up system, just by manually starting button, implementing manually, control starts; In the guard plot outdoors, emergency start button and emergency stop push button are arranged.
When (3) control is with all failures of manual control (outage or other faults) automatically, in the time of need carrying out the mechanical emergency operation, manually start active bottle (the extinguishing chemical reservoir bottle of label a) and need to implement the corresponding automatically controlled selector valve in fire extinguishing guard plot, this automatically controlled selector valve is opened under interior pressure effect, automatically open simultaneously driven bottle (the extinguishing chemical reservoir bottle of label b to t) under this guard plot, fire extinguishing is implemented in this guard plot.The mechanical emergency operation need not to seek one by one the extinguishing chemical reservoir bottle, manually opens one by one again, reaches accurate, simple, rapid.
When (4) breaking down (air pressure deficiency or mechanical breakdown), need carry out the mechanical emergency operation as if active bottle (the extinguishing chemical reservoir bottle of label a), artificial other any one driven bottle (the extinguishing chemical reservoir bottle of label b to t) all alternative active bottle of opening, make and produce the pressure of opening the back effect same with former active bottle in the selector valve, which guard plot need be implemented fire extinguishing, the just artificial selector valve of opening this guard plot correspondence, control afterwards is as described in above (3).
Claims (7)
1, a kind of automatically controlled selector valve, it is characterized in that: be connected combination with selector valve by electric control driving device, be provided with the metal seal membrane in the electric control driving device, the metal seal membrane will be separated into upper space and lower space in the electric control driving device, and electric control driving device is provided with the driving gas gas outlet; Selector valve comprises valve body, valve gap, valve rod, piston, cylinder head and spring, valve body is provided with total air inlet and total gas outlet, valve gap, valve rod, piston, cylinder head and spring are positioned at valve body, spring, piston, cylinder head, valve gap are sleeved on the valve rod successively, and valve gap is positioned at place, total gas outlet, and cylinder head is fixed in the valve body; The space that forms between valve gap, valve rod, cylinder head, the valve interior wall communicates with lower space in the electric control driving device, and the space that forms between cylinder head, valve rod, piston, the valve interior wall communicates with upper space, driving gas gas outlet in the electric control driving device.
2, automatically controlled selector valve according to claim 1, it is characterized in that: described selector valve also comprises bonnet, and total gas outlet is positioned at the upper end of valve body, and bonnet is fixed on the lower end of valve body.
3, automatically controlled selector valve according to claim 1, it is characterized in that: described selector valve also comprises the cylinder skull, the cylinder skull is sleeved on the valve rod and is fixed on the cylinder head.
4, automatically controlled selector valve according to claim 1 is characterized in that: described total air inlet is positioned at side of valve body.
5, an a kind of active bottle control and distribution method using the described valve of claim 1, it is characterized in that: several extinguishing chemical reservoir bottle and several automatically controlled selector valves are set, total air inlet on each automatically controlled selector valve, driving gas gas outlet link to each other with the extinguishing chemical reservoir bottle by pipeline, respectively corresponding guard plot, total gas outlet on each automatically controlled selector valve, as active bottle, all the other extinguishing chemical reservoir bottle are as driven bottle with one of them extinguishing chemical reservoir bottle; During fire extinguishing, start the electric control driving device that needs in the pairing automatically controlled selector valve in fire extinguishing guard plot, puncture the metal seal membrane, the gas pressure that discharges by active bottle after always air inlet enters valve body to the upper space of electric control driving device, enter the lower space of electric control driving device again, gas pressure is divided into two-way afterwards, one the tunnel enters the plunger shaft of valve body, promote piston, draw back total gas outlet, another road leads to the pilot valve of driven bottle under this guard plot from the driving gas gas outlet, opens driven bottle, extinguishing chemical in the driven bottle enters header, spurts to this guard plot from total gas outlet at last.
6, an active bottle control and distribution method according to claim 5, it is characterized in that: the gas vent of each extinguishing chemical reservoir bottle all is connected to high-pressure hose, each high-pressure hose links to each other with header, and header links to each other with total air inlet on each automatically controlled selector valve then.
7, an active bottle control and distribution method according to claim 5 is characterized in that: the driving gas gas outlet on each automatically controlled selector valve links to each other with the extinguishing chemical reservoir bottle by each primer liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100970238A CN101507869B (en) | 2009-03-30 | 2009-03-30 | Electric control selection valve and active bottle control distribution method using the valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100970238A CN101507869B (en) | 2009-03-30 | 2009-03-30 | Electric control selection valve and active bottle control distribution method using the valve |
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| Publication Number | Publication Date |
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| CN101507869A true CN101507869A (en) | 2009-08-19 |
| CN101507869B CN101507869B (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100970238A Active CN101507869B (en) | 2009-03-30 | 2009-03-30 | Electric control selection valve and active bottle control distribution method using the valve |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090396A (en) * | 2016-08-23 | 2016-11-09 | 浙江信达可恩消防实业有限责任公司 | Integral type selector valve |
| CN106924910A (en) * | 2017-04-01 | 2017-07-07 | 北京天康达科技发展有限公司 | A kind of automobile-used fire extinguishing system |
| CN107042008A (en) * | 2017-04-17 | 2017-08-15 | 陕西安益机电有限公司 | A kind of automatically controlled gas actuating device |
| CN107754124A (en) * | 2017-11-28 | 2018-03-06 | 靖江市新东机械零部件制造有限公司 | A kind of cabinet type fire extinguisher of heptafluoropropane |
| CN108006240A (en) * | 2017-11-27 | 2018-05-08 | 浙江信达可恩消防实业有限责任公司 | A kind of selector valve of decompression starting |
| CN115400374A (en) * | 2022-09-22 | 2022-11-29 | 广东胜捷消防科技有限公司 | Pneumatic control device and pneumatic control method of fire extinguishing system with driving medium |
| CN115445123A (en) * | 2022-09-22 | 2022-12-09 | 广东胜捷消防科技有限公司 | Fire extinguishing system with driving medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139015A (en) * | 1996-04-22 | 1997-01-01 | 安素公司 | Gaseous fire extinguishing system |
| CN2388974Y (en) * | 1999-05-19 | 2000-07-26 | 西安新竹防灾救生设备有限公司 | Diaphragm pricking action type selective valve |
| CN2483563Y (en) * | 2000-11-16 | 2002-03-27 | 西安新竹防灾救生设备有限公司 | Selection valve |
| US6896067B2 (en) * | 2002-09-23 | 2005-05-24 | James Bowyer | Method and apparatus for distributing fire suppressant |
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2009
- 2009-03-30 CN CN2009100970238A patent/CN101507869B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090396A (en) * | 2016-08-23 | 2016-11-09 | 浙江信达可恩消防实业有限责任公司 | Integral type selector valve |
| CN106924910A (en) * | 2017-04-01 | 2017-07-07 | 北京天康达科技发展有限公司 | A kind of automobile-used fire extinguishing system |
| CN107042008A (en) * | 2017-04-17 | 2017-08-15 | 陕西安益机电有限公司 | A kind of automatically controlled gas actuating device |
| CN108006240A (en) * | 2017-11-27 | 2018-05-08 | 浙江信达可恩消防实业有限责任公司 | A kind of selector valve of decompression starting |
| CN108006240B (en) * | 2017-11-27 | 2019-05-03 | 浙江信达可恩消防实业有限责任公司 | A kind of selector valve of decompression starting |
| CN107754124A (en) * | 2017-11-28 | 2018-03-06 | 靖江市新东机械零部件制造有限公司 | A kind of cabinet type fire extinguisher of heptafluoropropane |
| CN115400374A (en) * | 2022-09-22 | 2022-11-29 | 广东胜捷消防科技有限公司 | Pneumatic control device and pneumatic control method of fire extinguishing system with driving medium |
| CN115445123A (en) * | 2022-09-22 | 2022-12-09 | 广东胜捷消防科技有限公司 | Fire extinguishing system with driving medium |
| CN115445123B (en) * | 2022-09-22 | 2023-12-29 | 广东胜捷消防科技有限公司 | Fire extinguishing system with driving medium |
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| CN101507869B (en) | 2011-12-28 |
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Denomination of invention: Electric control selection valve and active bottle control distribution method using the valve Effective date of registration: 20171108 Granted publication date: 20111228 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Haining branch Pledgor: Zhejiang Think Tank Fire Stopper Industry Co., Ltd. Registration number: 2017330000160 |