CN102900886A - Pneumatic balanced type startup time delayer - Google Patents
Pneumatic balanced type startup time delayer Download PDFInfo
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- CN102900886A CN102900886A CN2012104059895A CN201210405989A CN102900886A CN 102900886 A CN102900886 A CN 102900886A CN 2012104059895 A CN2012104059895 A CN 2012104059895A CN 201210405989 A CN201210405989 A CN 201210405989A CN 102900886 A CN102900886 A CN 102900886A
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Abstract
The invention relates to a pneumatic balanced type startup time delayer used in pipelines of a gas fire-extinguishing system. The pneumatic balanced type startup time delayer comprises a valve seat, and an inlet pipe joint, an outlet pipe joint and a gas storage tank which are mounted on the valve seat, wherein the valve seat is internally provided with a valve cavity; the valve cavity is internally provided with a valve core component; the valve cavity is provided with an upper valve cavity and a lower valve cavity; the upper valve cavity is communicated with the inlet pipe joint; the lower valve cavity is communicated with the outlet pipe joint; the valve core component comprises a floating valve clack used for controlling the communication between the upper valve cavity and the lower valve cavity and a driving piston capable of driving the floating valve clack to move in the upper valve cavity; the floating valve clack is movably arranged in the upper valve cavity to open or close both the upper valve cavity and the lower valve cavity; the floating valve clack which is fixedly provided with a pushing spring is sleeved on the driving piston; the driving piston penetrates through the upper valve cavity and the lower valve cavity; and the driving piston is provided with a hollow air channel with one end per se communicated with the inlet pipe joint and the other end per se communicated with the gas storage tank. The pneumatic balanced type startup time delayer, disclosed by the invention, has the advantages of being assembled compactly and rationally, efficiently improving delaying stability performance and being safe and reliable to use.
Description
Technical field
The present invention relates to a kind of Pneumatic time-delay device, refer in particular to the Pneumatic balance type that pipeline uses in a kind of gas extinguishing system and start delayer.
Background technique
Extinction using gas is a present fire-fighting domain class fire-fighting mode the most commonly used, CO2 extinguishing system for example, after the startup bottle group of suppression system is opened, make the Carbon dioxide extinguishing agent storage bottle realize the needs that delayed startup spurts, be convenient to that personnel carry out safe escape in the protective area before agent application.Should meet in the suppression system engineering design standard general retard time and be no more than 60 seconds regulation, usually be set as 30 seconds in the use, and in the existing gas extinguishing system, usually rely on the electronic delay function on the outfiring alarm controller, realize that requirement is spurted in the time-delay of suppression system.Yet because the defective of electrical apparatus element itself, such as not using for a long time under the situation or the reason such as installation environment humidity, can often cause time-delay to be forbidden or Delay failure, in case the outfiring alarm controller breaks down, suppression system has just lost to delay time spurts the safety guarantee of startup, brings danger for the disposing tasks such as safe escape of personnel in the protective area.
Along with science and technology is constantly brought forth new ideas, be power supply or the fault effectses such as outfiring alarm controller, automatical control system that are not subjected to suppression system, various mechanical structure delayer fortune Ying Ersheng spurt function with the time-delay of reliable maintenance suppression system, guarantee the safety in utilization of suppression system.The existing general valve body of Pneumatic time-delay device and gas holder, the left and right sides is respectively equipped with suction port and air outlet on this valve body, be provided with push-rod piston and the push rod of the adaptive and separate design of valve pocket in the inner chamber of valve body, be fixed with packed-piston on the valve gap of valve body upper end, also there is the gap between packed-piston and the push rod, described suction port is by entering in the gas holder in the cavity volume between air flue connection push-rod piston and the push rod, when the internal pressure of gas holder reaches design pressure, slide and impel push rod to move and back down packed-piston to the push rod direction by push-rod piston, suction port and air outlet are communicated with, this moment, Pneumatic time-delay valve was opened, require like this push-rod piston, push rod and packed-piston three matching requirements are very high, open otherwise very easily open by mistake, so need to install a handle with sleeve of placing restrictions on the packed-piston activity additional, when running into the lock pin that in emergency circumstances needs to extract on the handle with sleeve, operation is trouble very, poor stability, complicated integral structure, matching requirements are high, are unfavorable for market competition.Corresponding prior art can be consulted the disclosed technological scheme of Chinese patent notification number CN201992173, does not add to give at this and gives unnecessary details.
Summary of the invention
The present invention is directed to the disappearance that prior art is deposited, main purpose is to provide a kind of delay performance, compact and safe and reliable Pneumatic balance type startup delayer of assembly of improving.
Another purpose of the present invention is to provide a kind of Pneumatic balance type of anti-false tripping to start delayer.
For realizing above-mentioned purpose, the present invention adopts following technological scheme:
A kind of Pneumatic balance type starts delayer, comprise the inlet connector tube on valve seat and the installation valve seat, outlet pipe connection, gas holder, has a valve pocket in this valve seat, in this valve pocket mangetic core assembly is installed, this valve pocket is provided with uuper valve chamber and lower valve chamber, uuper valve chamber is communicated with inlet connector tube, lower valve chamber is communicated with outlet pipe connection, described mangetic core assembly comprises that a float disc and that is used for control uuper valve chamber and lower valve chamber connection can promote the driven plunger that float disc moves in uuper valve chamber, this float disc is arranged at movably in the uuper valve chamber and opens and closes with control uuper valve chamber and lower valve chamber, this float disc is set on the driven plunger, is connected with goring push spring on the float disc; This driven plunger is passed uuper valve chamber and lower valve chamber, and driven plunger is provided with a hollow air flue, and this hollow air flue one end is communicated with inlet connector tube, and the hollow air flue the other end is communicated with gas holder.
Be provided with one on the described valve seat and be used for preventing that the low height of letting out of false tripping from sealing control valve unit, the one end is communicated with uuper valve chamber, and the other end is in communication with the outside, and this hangs down lets out the spool that high envelope valve is provided with a changeable uuper valve chamber and external world's switching.
Described driven plunger is provided with a nozzle near the afterbody of gas holder, and this nozzle is fixed in hollow air flue tail end, and this nozzle is provided with one and is used for hollow air flue and gas holder are communicated with the also fixing throttle orifice in aperture.
Described driven plunger is provided with one with hollow air flue and gas holder connection and is the throttle orifice adjusting device of conical valve near the afterbody of gas holder.
Described inlet connector tube and driven plunger cross setting, this Air road has coaxial setting and the first air flue that is interconnected and the second air flue, this the first air flue aperture is less than the second air flue, and the first air flue of this hollow air flue is over against inlet connector tube, and the second air flue is communicated with gas holder.
Described valve seat comprises a pedestal and a valve gap, described valve pocket forms in this pedestal, this pedestal one end sealing is fixed on the gas holder, valve gap is fixed in the other end of this pedestal, this valve gap top is formed with for the affixed opening of suction tude joint sealing, offer a plurality of pores that are communicated with valve pocket along this opening is oblique, described hollow air flue is over against the opening setting and between each pore.
Described pedestal is installed with the spacing volution that a restriction driven plunger moves near the position of gas holder, and described driven plunger is provided with the positive stop lug boss that cooperates with spacing volution.
Described valve gap inboard offers the cavity that uuper valve chamber is communicated with, described pore extends to the cavity place, described float disc is provided with one and supports only step, and this goring push spring one end resilient abutment is ended on the step in supporting of this float disc, and the other end resilient abutment is in the cavity of valve gap.
Described outlet pipe connection is arranged at the pedestal side and the vertical inlet pipe joint is arranged.
Described driven plunger is provided with the pushing tow step of a cooperation float disc.
Beneficial effect of the present invention is: when starting delay function, propellant enters in the gas holder along the hollow air flue that the suction tude joint directly enters uuper valve chamber and driven plunger, through behind the certain hour, the gas holder internal pressure increases, and moves direct promotion float disc by driven plunger, upper and lower valve pocket is communicated with, last propellant is by the output of steam outlet pipe joint, and assembly of the present invention is compact, rationally, but Effective Raise postpones stability, and is safe and reliable.Moreover, the present invention is also by being equipped with the low high envelope control valve unit of letting out at valve seat, effectively prevent the false tripping of suppression system, cause the mistake of suppression system to spurt accident, and can save the low high envelope valve of letting out ad hoc on the suppression system primer liner, simplified the connection of primer liner, played save time, the effect of saving of labor, province's expense.
Description of drawings
Fig. 1 is the overall structure figure that Pneumatic balance type of the present invention starts delayer embodiment 1;
Fig. 2 is the overall structure figure that Pneumatic balance type of the present invention starts delayer embodiment 2.
The drawing reference numeral explanation:
1, valve seat 11, valve pocket
111, uuper valve chamber 112, lower valve chamber
12, pedestal 13, valve gap
131, opening 132, pore
133, cavity 14, spacing volution
2, inlet connector tube 3, outlet pipe connection
4, gas holder 5, mangetic core assembly
51, float disc 511, support to end step
52, driven plunger 521, hollow air flue
521a, the first air flue 521b, the second air flue
522, pushing tow step 523, positive stop lug boss
53, goring push spring 54, nozzle
541, throttle orifice 6, the low high envelope control valve unit of letting out
61, spool 7, throttle orifice adjusting device
Embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, start the delayer structural representation for the embodiment of the invention 1 discloses a kind of Pneumatic balance type, comprise inlet connector tube 2, outlet pipe connection 3, gas holder 4 on valve seat 1 and the installation valve seat 1, have a valve pocket 11 in this valve seat 1, in this valve pocket 11 mangetic core assembly 5 is installed, wherein:
This valve seat 1 comprises a pedestal 12 and a valve gap 13, described valve pocket 11 forms in this pedestal, this pedestal 12 1 ends sealing is fixed on the gas holder 4, valve gap 13 is fixed in the other end of this pedestal 12, these valve gap 13 tops are formed with for the affixed opening 131 of suction tude joint 3 sealings, offer a plurality of pores 132 that are communicated with valve pocket 11 along this opening 131 is oblique; This valve pocket 11 is provided with uuper valve chamber 111 and lower valve chamber 112, and uuper valve chamber 111 is communicated with inlet connector tube 2, and lower valve chamber 112 is communicated with outlet pipe connection 3.This pedestal 12 is installed with a spacing volution 14 near the position of gas holder 4; These valve gap 13 inboards offer the cavity 133 that uuper valve chamber 111 is communicated with, and described pore 132 extends to cavity 133 places.
Be provided with one on this valve seat 1 and be used for preventing that the low height of letting out of false tripping from sealing control valve unit 6, the one end is communicated with uuper valve chamber 111, the other end is in communication with the outside, high envelope valve 6 be should low let out and a changeable uuper valve chamber and the extraneous spool 61 that opens and closes were provided with, so can save the low high envelope valve of letting out ad hoc on the suppression system primer liner, simplified the connection of primer liner, played save time, the effect of saving of labor, province's expense.Should low let out high envelope control valve unit 6 can with the startup bottle group bottle valve institute tiny leakage of the suppression system propellant to the primer liner, be discharged in the atmosphere and go at any time.
This mangetic core assembly 5 comprises that a float disc 51 and that is used for control uuper valve chamber 111 and lower valve chamber 112 connections can promote float disc 51 in the driven plunger 52 of uuper valve chamber 111 interior movements, this float disc 51 is arranged at movably in the uuper valve chamber 111 and opens and closes with control uuper valve chamber 111 and lower valve chamber 112, this float disc 51 is set on the driven plunger 52, this float disc 51 is provided with one and supports only step 511, be connected with goring push spring 53 on this float disc 51, these goring push spring 53 1 end resilient abutment are ended on the step 511 in supporting of this float disc 51, goring push spring 53 the other end resilient abutment make not to open to postpone under the situation this goring push spring 53 and have pretightening force pushing tow float disc 51 and intercept inlet connector tubes 2 in the cavity 133 of valve gap 13, outlet pipe connection 3 is communicated with.This driven plunger 52 is passed uuper valve chamber 111 and lower valve chamber 112, driven plunger 52 is provided with a hollow air flue 521, this hollow air flue 521 has coaxial setting and the first air flue 521a that is interconnected and the second air flue 521b, this first air flue 521a aperture is less than the second air flue 521b, so that realize better the Pneumatic time-delay effect, the first air flue 521a of this hollow air flue is over against inlet connector tube 2, and be communicated with inlet connector tube 2, and over against valve gap 13 openings, 131 settings and between each pore 132, the second air flue 521b of this hollow air flue 521 is communicated with gas holder 4, the second air flue 521b tail end of this driven plunger 52 is provided with a nozzle 54, this nozzle 54 is fixed in hollow air flue 521 tail ends, and this nozzle 54 is provided with one and is used for hollow air flue 521 and gas holder 4 are communicated with the also fixing throttle orifice in aperture; This driven plunger 52 is provided with the pushing tow step 522 of a cooperation float disc 51, moves on moving by this pushing tow step 522 drive float discs 51 on the driven plunger 52; Described driven plunger 52 is provided with the positive stop lug boss 523 that cooperates with spacing volution 14.
This inlet connector tube 2 and driven plunger 52 cross settings, this hollow air flue 521 are over against inlet connector tube 2, and corresponding outlet pipe connection 3 is arranged at pedestal 12 sides and is arranged vertically with inlet connector tube 2.
During use, the present invention is installed on the primer liner house steward of suppression system, and inlet connector tube 2 links to each other with the outlet that starts the bottle group, and outlet pipe connection 3 is connected with the primer liner of extinguishing agent storage bottle in the system.After starting the unlatching of bottle group, the propellant that enters in the pipeline is higher because of pressure, the low passage of letting out the high envelope valving 6 rapid autoshutdowns of meeting and atmosphere ensures the propellant free of losses in pipeline and the time delay device, maintains the enabled instruction that enough propellantes are reliably carried out suppression system; Enter in the uuper valve chamber 111 along inlet connector tube 2 at propellant, under the gas pressure effect, driven plunger 52 is pushed and moves down, until limited volution 14 limits; Simultaneously, float disc 51 is pressed down and with the suction tude joint 2 gas channels sealing (being that uuper valve chamber 111 and lower valve chamber 112 are blocked) with steam outlet pipe joint 3 under the synergy of goring push spring 53 pretightening forces and propellant pressure; At this moment, low high envelope control valve unit 6 autoshutdown under the gas pressure effect of letting out, propellant reliably is enclosed in the uuper valve chamber 111 of device, and flow out without propellant at 3 places at outlet pipe connection.Be enclosed in the propellant of time-delay valve uuper valve chamber 111, hollow air flue 521 along driven plunger 52 centers, the throttle orifice 541 of flowing through, enter in the gas holder 4, As time goes on, the propellant of gas holder 4 interior storages increases gradually, and namely the pressure in the gas holder 4 slowly raises, this pressure-acting forms the thrust of moving on the driven plunger 52 on driven plunger 52 lower end surfaces.When gas holder 4 internal pressures rise to certain value, driven plunger 52 with on move and promote float disc 51, when thrust is enough to the combined force of balanced action on float disc 51, driven plunger 52 is raised to certain altitude with float disc 51, at this moment, the time-delay valve valve of closing is unlocked, and is the gas passageway between inlet connector tube 2 and steam outlet pipe joint, makes the flow path of propellant unblocked disconnected.Therefore experience above-mentioned process, after starting the unlatching of bottle group, d/d propellant enters along suction tude joint 2 of the present invention, under inner spool assembly 5 effects of the present invention, behind the experience certain hour, propellant is just from steam outlet pipe joint 3 outputs of the present invention, and gas forms certain blanking time from entering into to flow out, this effect is referred to as to call delay function of the present invention, thereby with the retard time that is referred to as to call device blanking time that forms.
As shown in Figure 2, for disclosing a kind of Pneumatic balance type, the embodiment of the invention 2 starts the delayer structural representation; The present embodiment and previous embodiment only difference are: the throttle orifice aperture is fixed among the embodiment 1, and driven plunger 52 is provided with one near gas holder 4 afterbodys and hollow air flue 521 and gas holder 4 be communicated with and be the throttle orifice adjusting device 7 of conical valve, its test that is suitable for the better throttle diameter device of assaying in the present embodiment; All the other are such as valve seat 1 and inlet connector tube 2, outlet pipe connection 3, gas holder 4 on the valve seat 1 are installed, and mangetic core assembly 5 are installed on the valve seat 1 and lowly let out high envelope control valve unit 6, and are basic identical with previous embodiment etc. structure, are not given unnecessary details at this.
The size of throttle orifice of the present invention and the size of volume of gas storage tank are the keys (not changing goring push spring) that determines retard time, and both affect each other, answer both design loads during trial-production, allow finishing, to reach optimum matching point.So can dwindle throttle diameter or strengthen the volume of gas storage tank amount as required, lengthen retard time.
When design focal point of the present invention is to start delay function, propellant enters in the gas holder along the hollow air flue that the suction tude joint directly enters uuper valve chamber and driven plunger, through behind the certain hour, the gas holder internal pressure increases, and moves direct promotion float disc by driven plunger, upper and lower valve pocket is communicated with, last propellant is by the output of steam outlet pipe joint, and assembly of the present invention is compact, rationally, but Effective Raise postpones stability, and is safe and reliable.
The above, it only is structure preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, therefore every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment does.
Claims (10)
1. a Pneumatic balance type starts delayer, comprise the inlet connector tube on valve seat and the installation valve seat, outlet pipe connection, gas holder, has a valve pocket in this valve seat, in this valve pocket mangetic core assembly is installed, it is characterized in that: this valve pocket is provided with uuper valve chamber and lower valve chamber, uuper valve chamber is communicated with inlet connector tube, lower valve chamber is communicated with outlet pipe connection, described mangetic core assembly comprises that a float disc and that is used for control uuper valve chamber and lower valve chamber connection can promote the driven plunger that float disc moves in uuper valve chamber, this float disc is arranged at movably in the uuper valve chamber and opens and closes with control uuper valve chamber and lower valve chamber, this float disc is set on the driven plunger, is connected with goring push spring on the float disc; This driven plunger is passed uuper valve chamber and lower valve chamber, and driven plunger is provided with a hollow air flue, and this hollow air flue one end is communicated with inlet connector tube, and the hollow air flue the other end is communicated with gas holder.
2. described Pneumatic balance type starts delayer according to claim 1, it is characterized in that: be provided with one on the described valve seat and be used for preventing that the low height of letting out of false tripping from sealing control valve unit, the one end is communicated with uuper valve chamber, the other end is in communication with the outside, and this low high envelope valve of letting out is provided with a changeable uuper valve chamber and the extraneous spool that opens and closes.
3. described Pneumatic balance type starts delayer according to claim 1, it is characterized in that: described driven plunger is provided with a nozzle near the afterbody of gas holder, this nozzle is fixed in hollow air flue tail end, and this nozzle is provided with one and is used for hollow air flue and gas holder are communicated with the also fixing throttle orifice in aperture.
4. described Pneumatic balance type starts delayer according to claim 1, it is characterized in that: described driven plunger is provided with one with hollow air flue and gas holder connection and is the throttle orifice adjusting device of conical valve near the afterbody of gas holder.
5. described Pneumatic balance type starts delayer according to claim 1, it is characterized in that: described inlet connector tube and driven plunger cross setting, this Air road has coaxial setting and the first air flue that is interconnected and the second air flue, this the first air flue aperture is less than the second air flue, the first air flue of this hollow air flue is over against inlet connector tube, and the second air flue is communicated with gas holder.
6. described Pneumatic balance type starts delayer according to claim 5, it is characterized in that: described valve seat comprises a pedestal and a valve gap, described valve pocket forms in this pedestal, this pedestal one end sealing is fixed on the gas holder, valve gap is fixed in the other end of this pedestal, this valve gap top is formed with for suction tude joint sealing affixed opening, offers a plurality of pores that are communicated with valve pocket along this opening is oblique, and described hollow air flue is over against the opening setting and between each pore.
7. described Pneumatic balance type starts delayer according to claim 6, it is characterized in that: described pedestal is installed with the spacing volution that a restriction driven plunger moves near the position of gas holder, and described driven plunger is provided with the positive stop lug boss that cooperates with spacing volution.
8. described Pneumatic balance type starts delayer according to claim 6, it is characterized in that: described valve gap inboard offers the cavity that uuper valve chamber is communicated with, described pore extends to the cavity place, described float disc is provided with one and supports only step, this goring push spring one end resilient abutment is ended on the step in supporting of this float disc, and the other end resilient abutment is in the cavity of valve gap.
9. described Pneumatic balance type starts delayer according to claim 6, it is characterized in that: described outlet pipe connection is arranged at the pedestal side and the vertical inlet pipe joint is arranged.
10. described Pneumatic balance type starts delayer according to claim 1, it is characterized in that: described driven plunger is provided with the pushing tow step of a cooperation float disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104059895A CN102900886A (en) | 2012-10-19 | 2012-10-19 | Pneumatic balanced type startup time delayer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104059895A CN102900886A (en) | 2012-10-19 | 2012-10-19 | Pneumatic balanced type startup time delayer |
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| Publication Number | Publication Date |
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| CN102900886A true CN102900886A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104059895A Pending CN102900886A (en) | 2012-10-19 | 2012-10-19 | Pneumatic balanced type startup time delayer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816566A (en) * | 2017-12-06 | 2018-03-20 | 宁波日安阀门有限公司 | A kind of combination valve used in suitable gas pipeline |
| CN115388232A (en) * | 2022-09-21 | 2022-11-25 | 广东胜捷消防科技有限公司 | Starting valve |
| CN118217582A (en) * | 2024-05-27 | 2024-06-21 | 西安博康电子有限公司 | Adjustable mechanical time delay device for gas fire extinguishing |
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| DE4310285C1 (en) * | 1993-03-30 | 1994-08-18 | Bundesrep Deutschland | Valve actuable by fluid pressure for fire suppression equipment |
| CN200999916Y (en) * | 2007-01-24 | 2008-01-02 | 陈秀玉 | CO2 container valve |
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| CN201601043U (en) * | 2009-12-22 | 2010-10-06 | 上海金盾消防安全设备有限公司 | Liquid damping delayer |
| CN201992173U (en) * | 2010-11-25 | 2011-09-28 | 南京消防器材股份有限公司 | Pneumatic time-delay valve |
| WO2011158695A1 (en) * | 2010-06-15 | 2011-12-22 | 株式会社コスメック | Time-delay valve |
| CN202868002U (en) * | 2012-10-19 | 2013-04-10 | 天广消防股份有限公司 | Pneumatic balance type start delayer |
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2012
- 2012-10-19 CN CN2012104059895A patent/CN102900886A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1669458A1 (en) * | 1988-11-22 | 1991-08-15 | Особое конструкторское бюро противопожарной техники | Shut-off and starting device for automatic fire extinguishing plants |
| DE4310285C1 (en) * | 1993-03-30 | 1994-08-18 | Bundesrep Deutschland | Valve actuable by fluid pressure for fire suppression equipment |
| CN200999916Y (en) * | 2007-01-24 | 2008-01-02 | 陈秀玉 | CO2 container valve |
| CN101332346A (en) * | 2007-06-26 | 2008-12-31 | 陈秀玉 | Pickup type starting system |
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| WO2011158695A1 (en) * | 2010-06-15 | 2011-12-22 | 株式会社コスメック | Time-delay valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816566A (en) * | 2017-12-06 | 2018-03-20 | 宁波日安阀门有限公司 | A kind of combination valve used in suitable gas pipeline |
| CN107816566B (en) * | 2017-12-06 | 2024-05-31 | 宁波日安阀门有限公司 | Combined valve suitable for use in gas pipeline |
| CN115388232A (en) * | 2022-09-21 | 2022-11-25 | 广东胜捷消防科技有限公司 | Starting valve |
| CN118217582A (en) * | 2024-05-27 | 2024-06-21 | 西安博康电子有限公司 | Adjustable mechanical time delay device for gas fire extinguishing |
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Application publication date: 20130130 |