CN102797896A - Gas release valve of nitrogen fire extinguishing system - Google Patents
Gas release valve of nitrogen fire extinguishing system Download PDFInfo
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- CN102797896A CN102797896A CN2011101375491A CN201110137549A CN102797896A CN 102797896 A CN102797896 A CN 102797896A CN 2011101375491 A CN2011101375491 A CN 2011101375491A CN 201110137549 A CN201110137549 A CN 201110137549A CN 102797896 A CN102797896 A CN 102797896A
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Abstract
The invention relates to a gas valve, and discloses a gas release valve of a nitrogen fire extinguishing system. The gas release valve comprises two high-pressure control valves, a release controller, a high-pressure pneumatic head, a bracket, a connection sleeve, a valve shaft, a filler gland, a filler, a valve cover, a sealing ring, a valve body, a valve core and a hand-steering mechanism, wherein the two high-pressure valves are respectively connected with a left cylinder and a right cylinder of the high-pressure pneumatic head; the high-pressure pneumatic head is respectively connected with the bracket and the connection sleeve; the connection sleeve is connected with the valve shaft; the valve shaft is connected with the valve core; the valve body and the valve cover are fixed outside the valve core through bolts and screw caps; the filler is positioned at the periphery of the valve shaft; the filler gland is pressed on the filler; the hand-steering mechanism is connected with the valve shaft; and the release controller is respectively connected with the two high-pressure control valves. The gas release valve is compact in mechanism, sensitive in operation, high in starting speed, high in reliability, low in pressure drop loss, large in valve capacity and convenient to maintain.
Description
Technical field
The present invention relates to a kind of gas valve.Be specifically related to a kind of gas release valve of fire extinguishing nitrogen system.
Background technique
At present, be used for the gas release valve of fire-fighting, the one, be through directly opening or closing during work.Owing to the variation in pressure of gas or the reasons such as damage of valve, possibly cause not opening or close does not live, and can not accomplish safe and reliable.The 2nd, the mode that existing gas release valve opens or closes is single, as manually, or electronic.The 3rd, existing gas release valve system is complicated, and maintenance is inconvenient.
Summary of the invention
The gas release valve of the fire extinguishing nitrogen system of the purpose of this invention is to provide a kind of mechanism compactness, be active in one's movements, opening speed is fast, reliability is high, the step-down loss is little, a capacity is big, easy to maintenance.
In order to achieve the above object, the present invention has following technological scheme:
The gas release valve of a kind of fire extinguishing nitrogen system of the present invention; Comprise two high pressure control valves, release controller, high-pressure pneumatic head, support, connecting sleeve, valve shaft, Gland, filler, valve gap, seal ring, valve body, spool, hand behaviour mechanism; Said two high pressure control valves are connected with left side cylinder, the right cylinder of high-pressure pneumatic head respectively, and the high-pressure pneumatic head is connected with support, connecting sleeve respectively, and connecting sleeve is connected with valve shaft; Valve shaft is connected with spool; Outside spool, filler is positioned at the periphery of valve shaft through bolt, fixed by nut for valve body, valve gap, and follower is pressed on the filler; Hand behaviour mechanism is connected with valve shaft; Said hand is grasped mechanism and is used for manually directly opening or closing gas release valve, and said release controller is connected with two high pressure control valves respectively, and said release controller is used for through the unlatching of electrical signal automatic or manual control gaseous relief valve or closes.
Wherein, Said release controller comprises MCU1, MCU2, motor 1, motor 2, power supply, start button, stop button, just changes tutorial light, counter-rotating tutorial light, drive circuit, detection input circlult; Wherein, MCU1 is connected with power supply, start button, stop button, motor 1, motor 2 respectively, and motor 1, motor 2 are connected with high pressure control valve; Said MCU2 is connected with motor 1, motor 2, power supply, drive circuit, detection input circlult respectively; Drive circuit with just change tutorial light, the counter-rotating tutorial light be connected, said MCU1 is used for manually controlling the driving of motor 1, motor 2, MCU2 is used for the driving of automatic control motor 1, motor 2.
Wherein, said hand is grasped mechanism and is comprised eccentric bushing assembly, limit assembly, handwheel, worm-wheel shaft, clutch handle, end cap, worm screw, worm gear, casing, bracket cover, and said eccentric bushing assembly is connected with worm screw; Worm and wheel connects, and worm gear is contained on the bracket cover, and limit assembly is contained on the end cap; Worm shaft one end is connected with handwheel; The other end is connected with worm screw, and clutch handle is connected with worm shaft, and casing is wrapped in the periphery of hand behaviour mechanism.
Owing to taked above technological scheme, the invention has the advantages that:
1, the unlatching that the present invention can be through electrical signal automatic or manual control gaseous relief valve or close can directly be opened through hand behaviour mechanism manual again or closed gas release valve, and it is active in one's movements, opening speed is fast, reliability is high.
2, mechanism of the present invention compactness, easy disassembling, easy to maintenance.
3, the present invention passes through self gas-powered gas release valve, other additional device.
The step-down loss was little when 4, the present invention opened or closes, and valve capacity is big.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 discharges the block diagram of controller for the present invention;
Fig. 3 grasps the structural representation of mechanism for hand of the present invention;
Fig. 4 be Fig. 3 A-A to sectional view.
Among the figure: 1, valve gap; 2, seal ring; 3, valve body; 4, spool; 5, nut; 6, bolt; 7, filler; 8, Gland; 9, connecting sleeve; 10, support; 11, high-pressure pneumatic head; 12, high pressure control valve; 13, valve shaft; 14, eccentric bushing assembly; 15, limit assembly; 16, handwheel; 17, worm-wheel shaft; 18, clutch handle; 19, end cap; 20, worm screw; 21, worm gear; 22, casing; 23, bracket cover.
Embodiment
Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Referring to Fig. 1～Fig. 4; The gas release valve of a kind of fire extinguishing nitrogen system of the present invention is made up of two high pressure control valves 12, release controller, high-pressure pneumatic head 11, support 10, connecting sleeve 9, valve shaft 13, Gland 8, filler 7, valve gap 1, seal ring 2, valve body 3, spool 4, hand behaviour mechanism, wherein; Two high pressure control valves 12 are connected with left side cylinder, the right cylinder of high-pressure pneumatic head 11 respectively; High-pressure pneumatic head 11 is connected with support 10, connecting sleeve 9 respectively, and connecting sleeve 9 is connected with valve shaft 13, and valve shaft 13 is connected with spool 4; Valve body 3, valve gap 1 pass through bolt, fixed by nut outside spool 4; Filler 7 is positioned at the periphery of valve shaft 13, and filler 7 lids are pressed on the filler 7, and hand behaviour mechanism is connected with valve shaft 13.Actuator's connecting sleeve 9 is connected with valve shaft 13, rotates through connecting sleeve 9, drives valve shaft 13 and does 90 degree rotations with spool 4, thereby realize the unlatching of gas release valve or close.Said filler 7 mainly seals, and prevents that gas from leaking outside.The gas release valve of fire extinguishing nitrogen system of the present invention has the mode that three kinds of controls are opened or closed, and has as follows:
One, through discharging controller with the unlatching of electrical signal automatic or manual control gaseous relief valve or close, referring to Fig. 1, Fig. 2.Said release controller by MCU1, MCU2, motor 1, motor 2, power supply, start button, stop button, just change tutorial light, counter-rotating tutorial light, drive circuit, detection input circlult and form; Wherein, MCU1 is connected with power supply, start button, stop button, motor 1, motor 2 respectively; Motor 1, motor 2 are connected with high pressure control valve; Said MCU2 is connected with motor 1, motor 2, power supply, drive circuit, detection input circlult respectively, drive circuit with just change tutorial light, the counter-rotating tutorial light be connected.Said MCU1, MCU2 are single-chip microcomputer or micro controller.
1, control automatically: gas gets into high pressure control valve through air pipe, and when the signal input part among Fig. 2 had the signal input, this signal was through detecting input circlult; Just changeed by MCU2 control motor 1, driving the high pressure control valve on the left side, gas gets into the left side cylinder of high-pressure pneumatic head; Promote the right cylinder of piston, make the right cylinder venting emptying of high-pressure pneumatic head, drive connecting sleeve and rotate to the high-pressure pneumatic head; Drive the rotation of valve shaft and spool, gas release valve is opened.In set time, motor 1 stops just to change, motor 2 counter-rotatings; Drive the high pressure control valve on the right, gas gets into the right cylinder of high-pressure pneumatic head, promotes the left side cylinder of piston to the high-pressure pneumatic head; Make the left side cylinder venting emptying of high-pressure pneumatic head; The drive connecting sleeve rotates, and drives the rotation of valve shaft and spool, and gas release valve is closed.
2, fingertip control: the start button in pressing Fig. 2, just changeing by MCU1 control motor 1, gas release valve is opened, in set time, instruction is just being changeed in cancellation, waits for next operation.Stop button in pressing Fig. 2, motor 1 counter-rotating is closed gas release valve, and in set time, next operation is waited in cancellation counter-rotating instruction.Fingertip control has precedence over automatic control.After hand push button (like start button) was pressed, it was promptly inoperative to control function automatically.
Two, Fig. 3, Fig. 4 are participated in the unlatching through manual operation handwheel control gaseous relief valve or close, and hand behaviour mechanism is made up of eccentric bushing assembly 14, limit assembly 15, handwheel 16, worm-wheel shaft 17, clutch handle 18, end cap 19, worm screw 20, worm gear 21, casing 22, bracket cover 23; Said eccentric bushing assembly 14 is connected with worm screw 20; Worm screw 20 is connected with worm gear 21, and worm gear 21 is contained on the bracket cover 23, and limit assembly 15 is contained on the end cap 19; Worm shaft 17 1 ends are connected with handwheel 16; The other end is connected with worm screw 20, and clutch handle 18 is connected with worm shaft 17, and casing 22 is wrapped in the periphery of hand behaviour mechanism.
During operation, operation clutch handle 18 makes worm-wheel shaft 17 and worm screw 20 be in coupled condition earlier, and then, rotation hand wheel 16 drives worm-wheel shaft 17, worm screw 20, worm gear 21, drives valve shaft 13, makes spool 4 rotations, can directly open or close gas release valve.
The mode that the present invention has three kinds of control gaseous relief valves to open or close; Unlatching that can be through electrical signal automatic or manual control gaseous relief valve or close; Can directly grasp the mechanism manual unlatching or close gas release valve through hand again, it be active in one's movements, opening speed is fast, reliability is high.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to mode of execution of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all mode of executions.Everyly belong to the row that conspicuous variation that technological scheme of the present invention extends out or change still are in protection scope of the present invention.
Claims (3)
1. the gas release valve of a fire extinguishing nitrogen system; It is characterized in that: comprise two high pressure control valves, release controller, high-pressure pneumatic head, support, connecting sleeve, valve shaft, Gland, filler, valve gap, seal ring, valve body, spool, hand behaviour mechanism; Said two high pressure control valves are connected with left side cylinder, the right cylinder of high-pressure pneumatic head respectively, and the high-pressure pneumatic head is connected with support, connecting sleeve respectively, and connecting sleeve is connected with valve shaft; Valve shaft is connected with spool; Outside spool, filler is positioned at the periphery of valve shaft through bolt, fixed by nut for valve body, valve gap, and follower is pressed on the filler; Hand behaviour mechanism is connected with valve shaft; Said hand is grasped mechanism and is used for manually directly opening or closing gas release valve, and said release controller is connected with two high pressure control valves respectively, and said release controller is used for through the unlatching of electrical signal automatic or manual control gaseous relief valve or closes.
2. the gas release valve of a kind of fire extinguishing nitrogen system as claimed in claim 1; It is characterized in that: said release controller comprises MCU1, MCU2, motor 1, motor 2, power supply, start button, stop button, just changes tutorial light, counter-rotating tutorial light, drive circuit, detection input circlult; Wherein, MCU1 is connected with power supply, start button, stop button, motor 1, motor 2 respectively; Motor 1, motor 2 are connected with high pressure control valve, and said MCU2 is connected with motor 1, motor 2, power supply, drive circuit, detection input circlult respectively, drive circuit with just change tutorial light, the counter-rotating tutorial light be connected; Said MCU1 is used for manually controlling the driving of motor 1, motor 2, and MCU2 is used for the driving of automatic control motor 1, motor 2.
3. the gas release valve of a kind of fire extinguishing nitrogen system as claimed in claim 1; It is characterized in that: said hand is grasped mechanism and is comprised eccentric bushing assembly, limit assembly, handwheel, worm-wheel shaft, clutch handle, end cap, worm screw, worm gear, casing, bracket cover, and said eccentric bushing assembly is connected with worm screw, and worm and wheel connects; Worm gear is contained on the bracket cover; Limit assembly is contained on the end cap, and worm shaft one end is connected with handwheel, and the other end is connected with worm screw; Clutch handle is connected with worm shaft, and casing is wrapped in the periphery of hand behaviour mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110137549.1A CN102797896B (en) | 2011-05-25 | 2011-05-25 | The gas release valve of fire extinguishing nitrogen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110137549.1A CN102797896B (en) | 2011-05-25 | 2011-05-25 | The gas release valve of fire extinguishing nitrogen system |
Publications (2)
| Publication Number | Publication Date |
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| CN102797896A true CN102797896A (en) | 2012-11-28 |
| CN102797896B CN102797896B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110137549.1A Expired - Fee Related CN102797896B (en) | 2011-05-25 | 2011-05-25 | The gas release valve of fire extinguishing nitrogen system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148238A (en) * | 2013-04-10 | 2013-06-12 | 广东胜捷工业安全技术有限公司 | Gas control valve for nitrogen fire extinguishing system |
| CN108064183A (en) * | 2015-06-04 | 2018-05-22 | Utc 消防及保安公司 | For monitoring the external installation equipment of fire extinguishing system |
| CN112524326A (en) * | 2021-01-17 | 2021-03-19 | 北京市正天齐消防设备有限公司 | Gas fire extinguishing system selection valve |
Citations (4)
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| US5899275A (en) * | 1995-05-12 | 1999-05-04 | Koatsu Co., Ltd. | Inert gas fire fighting system and pressure control valve for inert gas fire fighting system |
| CN2318481Y (en) * | 1997-03-01 | 1999-05-12 | 肖越超 | Motor direct installed type, worm-gear output shaft integrated valve electric device |
| CN201150744Y (en) * | 2007-12-18 | 2008-11-19 | 中色科技股份有限公司 | Pneumatic control device for increasing low-pressure gas extinguishing system performance |
| CN202203490U (en) * | 2011-05-25 | 2012-04-25 | 首消节洁科技（北京）有限公司 | Gas release valve for nitrogen fire extinguishing system |
-
2011
- 2011-05-25 CN CN201110137549.1A patent/CN102797896B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5899275A (en) * | 1995-05-12 | 1999-05-04 | Koatsu Co., Ltd. | Inert gas fire fighting system and pressure control valve for inert gas fire fighting system |
| CN2318481Y (en) * | 1997-03-01 | 1999-05-12 | 肖越超 | Motor direct installed type, worm-gear output shaft integrated valve electric device |
| CN201150744Y (en) * | 2007-12-18 | 2008-11-19 | 中色科技股份有限公司 | Pneumatic control device for increasing low-pressure gas extinguishing system performance |
| CN202203490U (en) * | 2011-05-25 | 2012-04-25 | 首消节洁科技（北京）有限公司 | Gas release valve for nitrogen fire extinguishing system |
Non-Patent Citations (1)
| Title |
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| 林瑞义: "CO2 固定式灭火系统遥控阀组的设计", 《阀门》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148238A (en) * | 2013-04-10 | 2013-06-12 | 广东胜捷工业安全技术有限公司 | Gas control valve for nitrogen fire extinguishing system |
| CN103148238B (en) * | 2013-04-10 | 2016-09-28 | 广东胜捷工业安全技术有限公司 | A kind of gas control valve for fire extinguishing nitrogen system |
| CN108064183A (en) * | 2015-06-04 | 2018-05-22 | Utc 消防及保安公司 | For monitoring the external installation equipment of fire extinguishing system |
| CN109621267A (en) * | 2015-06-04 | 2019-04-16 | Utc 消防及保安公司 | For monitoring that the external of fire extinguishing system installs equipment |
| CN108064183B (en) * | 2015-06-04 | 2023-12-22 | Utc 消防及保安公司 | Externally mounted device for monitoring fire suppression system |
| CN112524326A (en) * | 2021-01-17 | 2021-03-19 | 北京市正天齐消防设备有限公司 | Gas fire extinguishing system selection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102797896B (en) | 2016-09-14 |
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Effective date of registration: 20160613 Address after: 102209 Beijing city Changping District town Beiqijia Hongfu Pioneer Park No. 17, block B 4F403 Applicant after: BEIJING SMHW MAGNETIZATION TECHNOLOGY Co.,Ltd. Address before: Room 2F208, B block 102209 in Beijing City, Changping District Beiqijia town Zhenggezhuang village Tivoli Park No. 17 hospital Applicant before: Shouxiao Jiejie Technology (Beijing) Co.,Ltd. |
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Granted publication date: 20160914 |