CN201212959Y - Ultra-high voltage indirect action type voltage-regulating device - Google Patents
Ultra-high voltage indirect action type voltage-regulating device Download PDFInfo
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- CN201212959Y CN201212959Y CNU2008200639208U CN200820063920U CN201212959Y CN 201212959 Y CN201212959 Y CN 201212959Y CN U2008200639208 U CNU2008200639208 U CN U2008200639208U CN 200820063920 U CN200820063920 U CN 200820063920U CN 201212959 Y CN201212959 Y CN 201212959Y
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- pressure regulator
- pressure regulating
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Abstract
The utility model discloses a superpressure indirect-action pressure regulator which comprises a pressure regulating valve and a pilot valve, wherein the pressure regulating valve is composed of a valve body, a cage casing, a valve handle, a valve seat component, a lower membrane cover and an upper membrane cover; the pilot valve is composed of a valve cover and a valve cavity body. The valve cavity body of the pilot valve is internally provided with a pressure regulating seat and a pressure regulating spring at a pressure regulating channel, a rear end signal channel is connected with the lower air cavity of a pressure regulating membrane cavity and the inlet end of the pressure regulating channel, and a gas pipe connected with the outlet end of the pressure regulating channel is communicated with an upper air cavity. The superpressure indirect-action pressure regulator utilizes the slight fluctuation signal of the pipe self pressure, performs the restriction amplification by a pilot valve, and automatically and precisely adjust the restriction pressure release degree of the pressure regulating valve to ensure stable output pressure. The utility model has the advantages of good sealability, wide pressure regulating range, stable pressure regulation, high accuracy and stable output pressure, and is especially suitable for installing and using a CNG pressure regulating station and a gas station to perform the peak regulation and the pressure release on superpressure and high differential pressure air supplies with more than 10 MPa.
Description
Technical field:
The utility model relates to a kind of gas pressure regulator, belong to the technical field of transmission ﹠ distribution being sent the fluid automatic Regulation, specifically a kind of UHV (ultra-high voltage) indirect acting type pressure regulator, it is applicable to that transmission ﹠ distribution send compressed natural gas, coal gas and liquefied petroleum gas (LPG), is particularly suitable for the CNG voltage regulating station, gas station carries out the peak regulation pressure regulation and uses.
Background technology:
High speed development along with China's natural gas industry and gas combustion automobile industry provides great demand market and rare opportunity to develop for China's gas transmission and distribution send the equipment industry.We know: in building CNG voltage regulating station, gas station engineering, it is huge system's control engineering that transmission ﹠ distribution are sent gas burning system.It is by specialized equipment and piping system, through links such as peak regulations, pressure regulation, transmission ﹠ distribution high-pressure air source is carried out steady step-down and realizes externally stablizing air feed.And the key that guarantees this system's operate as normal is to want to carry out the peak regulation pressure regulation to high-pressure air source safely to reduce air pressure reposefully, and farthest controls the stability that institute's transmission ﹠ distribution are sent gaseous-pressure.Just present: the existing pressure regulator of China is to adopt the spring action principle to carry out pressure regulation mostly, its range of regulation is narrower, pressure reduction is little, in general, it can only carry out the peak regulation pressure regulation less than the conventional high-pressure air source of 10MPa to nominal pressure, and can not carry out normal pressure regulation operation under the operating mode of UHV (ultra-high voltage) (referring to that nominal pressure is greater than 10MPa), big pressure reduction.Its reason is when the bleed pressure superelevation, and the spring of existing pressure regulator can cause the sealing property of pressure regulator and pressure regulation precision to decline to a great extent because of fatigue failure in frequent telescopic process, is difficult to guarantee that institute's transmission ﹠ distribution send the stability and the security performance of the pressure of combustion gas.And in fact all need nominal pressure is carried out the peak regulation step-down greater than the UHV (ultra-high voltage) source of the gas of 10MPa in China most of CNG voltage regulating station, gas station, for guaranteeing that transmission ﹠ distribution send the security performance of combustion gas, a lot of UHV (ultra-high voltage) CNG voltage regulating stations, gas station all are to use the import pressure regulator to keep work.Unquestionable, import pressure regulator complex structure, cost an arm and a leg, not only increase construction cost and operational and administrative expenses, return links such as the supporting installation of standardization, operational administrative and production maintenance and bring inconvenience.
The utility model content:
Order of the present utility model be propose a kind of simple in structure, production cost is low, range of regulation is wide, degree of regulation is high, good seal performance, the UHV (ultra-high voltage) indirect acting type pressure regulator that can carry out peak regulation step-down safety work under greater than the UHV (ultra-high voltage) of 10MPa, big pressure reduction operating mode in nominal pressure.
The UHV (ultra-high voltage) indirect acting type pressure regulator that the utility model proposes is achieved by the following technical solution: it comprises by valve body, be installed on the cage type cover in the valve body, valve rod, the pressure regulator valve that valve component constitutes and by valve gap, the pilot valve that valve chamber constitutes, it is characterized in that: on the valve body of pressure regulator valve, be installed with membrane cover and last membrane cover formation pressure regulator membrane chamber down, the homophony diaphragm unit separation pressure regulator membrane chamber that is fitted in the pressure regulator membrane chamber is upper gas chamber and lower air chamber, said valve rod is fixedly connected on the homophony diaphragm unit, in the valve gap of pilot valve, be fitted with commander's diaphragm unit and spring, in valve chamber, be provided with the pressure regulation air flue, the place is fitted with pressure regulating seat and pressure spring at the pressure regulation air flue, the back end signal tracheae that is communicated in the pressure regulator valve outlet side is connected to the lower air chamber in pressure regulator membrane chamber and the pressure regulation air flue entrance point of valve chamber, and the tracheae that is connected in pressure regulation air flue endpiece is connected with the upper gas chamber in pressure regulator membrane chamber.It is like this work: the compressed gas that the UHV (ultra-high voltage) source of the gas is exported after through pressure regulator valve throttling step-down is imported in the valve chamber of the lower air chamber in pressure regulator membrane chamber and pilot valve respectively by the back end signal tracheae, can set precompression that is fitted to the spring in the valve gap and then the position of setting commander's diaphragm unit according to the set screw of predetermined peak regulation step-down working pressure Value Operations pilot valve, and under the acting in conjunction of pressure spring, can set pressure regulating seat and exchange the throttle degree of calming the anger, enter in the upper gas chamber in pressure regulator membrane chamber after making the compressed gas process pressure regulation air flue throttling in the valve chamber of importing pilot valve, the homophony diaphragm unit can be at upper gas chamber, be in predetermined equilibrium position under the air pressure acting in conjunction in the lower air chamber, at this moment be in the aperture of normal throttling step-down between the valve component of pressure regulator valve and the cage type cover, promptly show as pressure regulator and be in the UHV (ultra-high voltage) source of the gas is carried out the duty that air feed is externally stablized in steady throttling step-down.When fluctuation appears in the gaseous tension of source of the gas of importing or output, the back end signal tracheae immediately with the signal feedback of air pressure fluctuation to the valve chamber of the lower air chamber in pressure regulator membrane chamber and pilot valve, make and move or move down the throttle degree that automatic adjustment changes the pressure regulation air flue on commander's diaphragm unit and the pressure regulating seat, and then the automatic pressure of adjusting in the upper gas chamber that changes the pressure regulator membrane chamber, at this moment the homophony diaphragm unit will move or move down on automatically by the negative feedback direction under the acting in conjunction of upper gas chamber and lower air chamber internal pressure and be in the equilibrium position state again, will drive simultaneously move on the valve rod or move down and by the negative feedback direction regulate automatically change valve component between overlapping with cage type throttle opening and guarantee that pressure regulator valve keeps stable air pressure and export.So far, can realize that pressure regulator is controlled the peak regulation step-down automatically and safety is exported the work purpose of stablizing air pressure.
The utility model also has following feature:
Valve chamber bottom at pilot valve is fitted with connection cavity and lower valve chamber body, in the lower valve chamber body, be fitted with piston, following of pressure regulation and pressure regulation lower spring, the front end signal tracheae that is communicated in the pressure regulator valve inlet end is connected to the lower valve chamber body and is connected cavity, on the front end signal tracheae arm of splice connection cavity, stop valve is installed, on the connection cavity, is fitted with the pressure regulation bleed screw.It can be by the gas of front end signal tracheae input front end UHV (ultra-high voltage) in connecting cavity and lower valve chamber body, after closing stop valve, can operate the air pressure in the pressure regulation bleed screw accuracy controlling connection cavity easily, can be immediately with the surge pressure signal feedback of input source of the gas to the lower valve chamber body and act on following of pressure regulation and piston equipped in the lower valve chamber body, and with by the surge pressure signal compound action in the back end signal tracheae transfer valve cavity in pressure regulating seat and make pressure regulating seat move or move down on automatically, and then reach the purpose of accurate adjusting pressure regulation air flue throttle degree, to the pressure regulation precision that improves pressure regulator with guarantee that the safety and stability performance of output pressure has remarkable result.
The utlity model has following advantage:
1. it is combined as a whole pressure regulator valve and pilot valve dexterously, utilize the minor fluctuations signal of pipe network self pressure, undertaken that throttling is amplified and accurately adjust the throttling underpressure of pressure regulator valve automatically by pilot valve, be particularly suitable under the operating mode of nominal pressure, carrying out peak regulation step-down operation greater than the UHV (ultra-high voltage) of 10MPa, big pressure reduction by the negative feedback direction.
2. its modern design, simple in structure, easy to manufacture, the production cost that can reduce pressure regulator greatly have that range of regulation is wide, degree of regulation is high, a good seal performance, the stable remarkable characteristic of output pressure.
3. it can be easily carries out supporting installation with parts such as homemade pipeline, improves standardization greatly and exchanges performance, is convenient to the production maintenance management, is a kind of ideal product of alternative import pressure regulator.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation (amplification) of pilot valve of the present utility model.
Embodiment:
The UHV (ultra-high voltage) indirect acting type pressure regulator that the utility model proposes is to implement like this: it comprises by valve body 7, bottom 5, be installed on the cage type cover 2 in the valve body 7, valve rod 8, the pressure regulator valve that valve component 6 constitutes and by valve gap 31, valve chamber 36, connect cavity 24, lower valve chamber body 27, the pilot valve ZH that plug 26 constitutes, on the valve body 7 of pressure regulator valve, be installed with membrane cover 20 and last membrane cover 19 formation pressure regulator membrane chambeies down, the homophony diaphragm unit 18 separation pressure regulator membrane chambeies that are fitted in the pressure regulator membrane chamber are upper gas chamber 16 and lower air chamber 21, between homophony diaphragm unit 18 and cage type cover 2, be fitted with homophony spring 11, the valve rod 8 that is fitted in the cage type cover 2 is fixedly connected on homophony diaphragm unit 18, the other end of valve rod 8 is installed with and cage type cover 2 valve components that adapt 6, in the valve gap 31 of pilot valve ZH, be fitted with set screw 33, spring 34 and commander's diaphragm unit 22, in valve chamber 36, be provided with pressure regulation air flue 32, be fitted with pressure regulating seat 29 and pressure spring 30 at pressure regulation air flue 32 places, in lower valve chamber body 27, be fitted with piston 35, following 28 of pressure regulation and pressure regulation lower spring 25, the front end signal tracheae 13 that is communicated in pressure regulator valve draft tube 10 is connected to lower valve chamber body 27 and is connected cavity 24, on front end signal tracheae 13 arms of splice connection cavity 24, stop valve 14 is installed, on connection cavity 24, be fitted with pressure regulation bleed screw 23, be communicated in the back end signal tracheae 17 of pressure regulator valve escape pipe 1,15 are connected to the lower air chamber 21 in pressure regulator membrane chamber and pressure regulation air flue 32 entrance points of valve chamber 36, and the tracheae 12 that is connected in pressure regulation air flue 32 endpiece is connected with the upper gas chamber 16 in pressure regulator membrane chamber.It is to realize peak regulation step-down throttling work as follows: said UHV (ultra-high voltage) source of the gas is to press shown in the arrow 9, enter by pressure regulator valve draft tube 10 in the valve body 7 of pressure regulator valve, and enter valve pocket 4 by the valve port 3 of cage type cover 2 and carry out after the throttling step-down again by pressure regulator valve escape pipe 1 output compressed gas, by back end signal tracheae 17,15 input rear end air pressure in the pressure regulation air flue 32 of the lower air chamber 21 in pressure regulator membrane chamber and valve chamber 36 respectively, by the front end signal tracheae 13 that is communicated in pressure regulator valve draft tube 10 input front end air pressure in connecting cavity 24 and lower valve chamber body 27, closing stop valve 14 can operate pressure regulation bleed screw 23 accuracy controlling easily and connect air pressure in the cavity 24, can be according to the set screw 33 of predetermined peak regulation step-down working pressure Value Operations pilot valve, the position of the precompression of setting spring 34 and then setting commander diaphragm unit 22, and the pressure regulation lower spring 25 that in lower valve chamber body 27, is equipped with, following 28 of pressure regulation, predetermined pressure regulating seat 29 is exchanged 32 the throttle degree of calming the anger under the acting in conjunction of piston 35 and pressure spring 30, enter in the upper gas chamber 16 in pressure regulator membrane chamber after making rear end air pressure process pressure regulation air flue 32 throttlings in the transfer valve cavity 36, make homophony diaphragm unit 18 at homophony spring 11 and upper gas chamber 16, be in predetermined equilibrium position under the acting in conjunction of lower air chamber 21 internal gas pressures, at this moment be in the aperture of normal throttling step-down between the valve component 6 of pressure regulator valve and the cage type cover 2, pressure regulator is in the UHV (ultra-high voltage) source of the gas is carried out the duty that air feed is externally stablized in steady throttling step-down.When fluctuation appears in the gaseous tension of source of the gas of importing or output, respectively by front end signal tracheae 13 with front end air pressure fluctuation signal feedback to lower valve chamber body 27 and act on the pressure regulation lower spring 25 that is fitted in the lower valve chamber body 27, following 28 of pressure regulation and piston 35, back end signal tracheae 17,15 respectively with rear end air pressure fluctuation signal feedback to the pressure regulation air flue 32 of the lower air chamber 21 in pressure regulator membrane chamber and valve chamber 36, make and move or move down on commander's diaphragm unit 22 and the pressure regulating seat 29 and will adjust the throttle degree that changes pressure regulation air flue 32 automatically, and then the automatic pressure of adjusting in the upper gas chamber 16 that changes the pressure regulator membrane chamber, at this moment homophony diaphragm unit 18 will be in the equilibrium position state again moving or move down on automatically by the negative feedback direction under the acting in conjunction of upper gas chamber 16 and lower air chamber 21 internal gas pressures, simultaneously drive is connected in to move or move down on the valve rod 8 of homophony diaphragm unit 18 and regulate automatically and changes valve component 6 and cage type and overlap throttling opening degree between 2 by the negative feedback direction, that is to say automatically and regulate the throttling underpressure that changes pressure regulator valve and the gaseous tension of being exported is remained in the range of stability by the negative feedback direction, so far, can realize automatic peak regulation step-down of pressure regulator and the safe goal of the invention of stablizing air pressure of exporting.
Claims (2)
1. UHV (ultra-high voltage) indirect acting type pressure regulator, it comprises by valve body (7), be installed on the cage type cover (2) in the valve body (7), valve rod (8), the pressure regulator valve that valve component (6) constitutes and by valve gap (31), the pilot valve (ZH) that valve chamber (36) constitutes, it is characterized in that: on the valve body (7) of pressure regulator valve, be installed with membrane cover (20) and last membrane cover (19) formation pressure regulator membrane chamber down, homophony diaphragm unit (18) the separation pressure regulator membrane chamber that is fitted in the pressure regulator membrane chamber is upper gas chamber (16) and lower air chamber (21), said valve rod (8) is fixedly connected on homophony diaphragm unit (18), in the valve gap (31) of pilot valve (ZH), be fitted with commander's diaphragm unit (22) and spring (34), in valve chamber (36), be provided with pressure regulation air flue (32), locate to be fitted with pressure regulating seat (29) and pressure spring (30) at pressure regulation air flue (32), be communicated in the back end signal tracheae (17 of pressure regulator valve outlet side (1), 15) be connected to the lower air chamber (21) in pressure regulator membrane chamber and pressure regulation air flue (32) entrance point of valve chamber (36), the tracheae (12) that is connected in pressure regulation air flue (32) endpiece is connected with the upper gas chamber (16) in pressure regulator membrane chamber.
2. UHV (ultra-high voltage) indirect acting type pressure regulator according to claim 1, it is characterized in that: valve chamber (36) bottom at pilot valve (ZH) is fitted with connection cavity (24) and lower valve chamber body (27), in lower valve chamber body (27), be fitted with piston (35), pressure regulation following (28) and pressure regulation lower spring (25), the front end signal tracheae (13) that is communicated in pressure regulator valve inlet end (10) is connected to lower valve chamber body (27) and is connected cavity (24), on front end signal tracheae (13) arm of splice connection cavity (24), stop valve (14) is installed, on connection cavity (24), is fitted with pressure regulation bleed screw (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200639208U CN201212959Y (en) | 2008-06-24 | 2008-06-24 | Ultra-high voltage indirect action type voltage-regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200639208U CN201212959Y (en) | 2008-06-24 | 2008-06-24 | Ultra-high voltage indirect action type voltage-regulating device |
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| Publication Number | Publication Date |
|---|---|
| CN201212959Y true CN201212959Y (en) | 2009-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200639208U Expired - Fee Related CN201212959Y (en) | 2008-06-24 | 2008-06-24 | Ultra-high voltage indirect action type voltage-regulating device |
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| CN (1) | CN201212959Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709800B (en) * | 2009-12-22 | 2011-09-28 | 袁勇 | High-precision quick response pilot valve |
| CN102635718A (en) * | 2012-04-28 | 2012-08-15 | 特瑞斯信力(常州)燃气设备有限公司 | Novel controller for gas pressure regulator |
| CN102705552A (en) * | 2012-06-13 | 2012-10-03 | 章秀容 | Pressure regulator with excessive flow auto-closing function by setting maximum flow |
| CN103672075A (en) * | 2013-12-25 | 2014-03-26 | 特瑞斯信力（北京）流体科技有限公司 | Novel ultrahigh voltage regulator |
| CN104390039A (en) * | 2014-09-12 | 2015-03-04 | 诸文伟 | Natural gas self-standing pressure regulator |
| CN106763959A (en) * | 2017-03-28 | 2017-05-31 | 扬州大学 | A kind of antiwind flushable decompression venting valve of agricultural irrigation heavy caliber and its application process |
| CN109424773A (en) * | 2017-09-05 | 2019-03-05 | 尤尼罗库株式会社 | Adjuster |
| CN111022745A (en) * | 2019-12-12 | 2020-04-17 | 乐山川天燃气输配设备有限公司 | Automatic open-close valve |
| CN111692392A (en) * | 2020-06-23 | 2020-09-22 | 四川凯德源科技有限公司 | Pressure regulating method of ultrahigh pressure self-operated pressure regulator |
| EP3679282B1 (en) | 2017-09-07 | 2022-01-26 | Neoperl GmbH | Valve arrangement |
-
2008
- 2008-06-24 CN CNU2008200639208U patent/CN201212959Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709800B (en) * | 2009-12-22 | 2011-09-28 | 袁勇 | High-precision quick response pilot valve |
| CN102635718A (en) * | 2012-04-28 | 2012-08-15 | 特瑞斯信力(常州)燃气设备有限公司 | Novel controller for gas pressure regulator |
| CN102705552A (en) * | 2012-06-13 | 2012-10-03 | 章秀容 | Pressure regulator with excessive flow auto-closing function by setting maximum flow |
| CN102705552B (en) * | 2012-06-13 | 2013-11-06 | 章秀容 | Pressure regulator with excessive flow auto-closing function by setting maximum flow |
| CN103672075A (en) * | 2013-12-25 | 2014-03-26 | 特瑞斯信力（北京）流体科技有限公司 | Novel ultrahigh voltage regulator |
| CN104390039A (en) * | 2014-09-12 | 2015-03-04 | 诸文伟 | Natural gas self-standing pressure regulator |
| CN106763959A (en) * | 2017-03-28 | 2017-05-31 | 扬州大学 | A kind of antiwind flushable decompression venting valve of agricultural irrigation heavy caliber and its application process |
| CN106763959B (en) * | 2017-03-28 | 2022-12-06 | 扬州大学 | Agricultural irrigation large-diameter anti-winding washable pressure reduction and stabilization valve and application method thereof |
| CN109424773A (en) * | 2017-09-05 | 2019-03-05 | 尤尼罗库株式会社 | Adjuster |
| EP3679282B1 (en) | 2017-09-07 | 2022-01-26 | Neoperl GmbH | Valve arrangement |
| CN111022745A (en) * | 2019-12-12 | 2020-04-17 | 乐山川天燃气输配设备有限公司 | Automatic open-close valve |
| CN111022745B (en) * | 2019-12-12 | 2021-08-20 | 乐山川天燃气输配设备有限公司 | Automatic open-close valve |
| CN111692392A (en) * | 2020-06-23 | 2020-09-22 | 四川凯德源科技有限公司 | Pressure regulating method of ultrahigh pressure self-operated pressure regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: LESHAN CHUANTIAN GAS EQUIPMENT CO., LTD. Assignor: Yuan Yong Contract record no.: 2010510000134 Denomination of utility model: Ultrahigh pressure indirect action type pressure regulator Granted publication date: 20090325 License type: Exclusive License Record date: 20101213 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20120624 |