CN113531398A - Pneumatic type remote pressure regulating control system - Google Patents
Pneumatic type remote pressure regulating control system Download PDFInfo
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- CN113531398A CN113531398A CN202110708560.2A CN202110708560A CN113531398A CN 113531398 A CN113531398 A CN 113531398A CN 202110708560 A CN202110708560 A CN 202110708560A CN 113531398 A CN113531398 A CN 113531398A
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- pressure
- outlet
- regulator
- regulating
- electromagnetic valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention belongs to the technical field of gas control equipment, and particularly relates to a pneumatic type remote pressure regulating control system. Setting an adjusting spring by using an adjusting screw rod of a self-operated pressure regulator, and determining the lowest guaranteed pressure of an outlet of the pressure regulator; the maximum outlet pressure of the pressure regulator is controlled by the set pressure of the pressure regulator. When the self-operated pressure regulator needs to be subjected to remote pressure increasing and decreasing regulation, a set pressure value is input into the controller, the controller receives outlet pressure of the pressure regulator detected by the pressure sensor and compares the outlet pressure with the set pressure, if the detected outlet pressure is higher or lower than the set value, the controller sends a valve opening instruction to the pressure increasing or reducing electromagnetic valve, the pressure increasing or reducing electromagnetic valve is opened and throttled by the micro-regulating valve, then the regulating pressure of the pressure regulator is conveyed to a spring regulating cavity of the self-operated pressure regulator, and the outlet pressure of the self-operated pressure regulator is correspondingly increased when the pressure of the spring regulating cavity is increased.
Description
Technical Field
The invention belongs to the technical field of gas control equipment, and particularly relates to a pneumatic type remote pressure regulating control system.
Background
With the continuous construction and development of urban gas, the operation environment and the demand of gas pipe network facilities become more and more complex. The gas pressure regulating system is developing towards intellectualization.
At present, a self-operated gas pressure regulator is usually adopted as pressure regulating equipment in a gas pressure regulating system, the set pressure of the self-operated pressure regulator is a constant value, and if the set pressure needs to be changed, field regulation is needed, so that certain inconvenience exists in practical application.
Disclosure of Invention
Aiming at the technical defects, the invention provides a pneumatic remote pressure regulating control system, which adopts an adjusting screw rod of a self-operated pressure regulator to set an adjusting spring and determine the lowest guaranteed pressure of an outlet of the pressure regulator; the maximum outlet pressure of the pressure regulator is controlled by the set pressure of the pressure regulator. When the self-operated pressure regulator needs to be subjected to remote pressure increasing and decreasing regulation, a set pressure value is input into the controller, the controller receives outlet pressure of the pressure regulator detected by the pressure sensor and compares the outlet pressure with the set pressure, if the detected outlet pressure is higher or lower than the set value, the controller sends a valve opening instruction to the pressure increasing or reducing electromagnetic valve, the pressure increasing or reducing electromagnetic valve is opened and throttled by the micro-regulating valve, then the regulating pressure of the pressure regulator is conveyed to a spring regulating cavity of the self-operated pressure regulator, and the outlet pressure of the self-operated pressure regulator is correspondingly increased when the pressure of the spring regulating cavity is increased.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: comprises a gas regulator for regulating gas pressure; the gas regulator comprises a gas inlet and a gas outlet; the air inlet is connected with an inlet pipeline; the air outlet is connected with an outlet pipeline; the pressure sensor is arranged on an outlet pipeline of the gas regulator and used for detecting the output pressure of the gas regulator; a regulator for remotely adjusting gas pressure; the electric linkage device is used for receiving the regulator signal and controlling the gas regulator to work; and the outlet pipeline is provided with a vent pipe.
Further optimizing the technical scheme, the gas regulator also comprises a closed spring regulating cavity; and a pressure guide hole arranged in the spring adjusting cavity; the spring adjusting mechanism further comprises an adjusting spring and an adjusting bolt which are arranged in the spring adjusting cavity.
Further optimizing the technical scheme, the electric linkage device comprises a pressure regulator, a boosting electromagnetic valve, a reducing electromagnetic valve, a pressure gauge, a manual ball valve and a micro-regulating valve; two gas source interfaces of the pressure regulator are respectively connected with an inlet pipeline and a boosting electromagnetic valve through pressure guide pipes; the pressure boosting electromagnetic valve is respectively connected with the pressure reducing electromagnetic valve and the micro-regulating valve through pressure guide pipes; the micro-regulating valve is connected with a pressure guide hole of the spring regulating cavity through a pressure guide pipe; the pressure reducing electromagnetic valve is connected with the emptying pipe through a pressure guide pipe; a pressure gauge is arranged at the outlet end of the pressure regulator; the two ends of the pressure-increasing electromagnetic valve and the two ends of the pressure-reducing electromagnetic valve are respectively connected with the manual ball valves in parallel.
Further optimizes the technical proposal that a set pressure value is input into the controller, the controller receives the outlet pressure of the gas regulator detected by the pressure sensor and compares the outlet pressure with the set pressure value,
if the outlet pressure of the gas regulator is lower than the set pressure, the controller sends a valve opening instruction to the pressure boosting electromagnetic valve, the pressure boosting electromagnetic valve is opened and transmits the regulating pressure of the pressure regulator to a spring regulating cavity of the gas regulator through a pressure guide hole after throttling through the micro regulating valve, the outlet pressure of the gas regulator is correspondingly increased when the pressure of the spring regulating cavity is increased, when the outlet pressure of the gas regulator reaches the set pressure value, the controller sends a valve closing instruction to the pressure boosting electromagnetic valve, the pressure boosting electromagnetic valve is closed, and the outlet pressure of the gas regulator is kept at the set pressure value;
if the outlet pressure of the gas regulator is higher than the set pressure, the controller sends a valve opening instruction to the pressure reducing solenoid valve, the pressure reducing solenoid valve is opened and discharges the pressure of the spring regulating cavity to the emptying pipe through the pressure guide hole after throttling through the micro-regulating valve, and the outlet pressure of the gas regulator is correspondingly reduced when the pressure of the spring regulating cavity is reduced. When the outlet pressure of the gas regulator reaches the set pressure value, the controller sends a valve closing instruction to the pressure reducing electromagnetic valve, the pressure reducing electromagnetic valve is closed, and the outlet pressure of the gas regulator is kept at the set pressure value.
1. Compared with the prior art, the invention has the following advantages: the invention is an independent system, can carry out remote automatic pressure regulation and field manual pressure regulation, and is convenient to switch;
2. the spring adjusting cavity is modified on the basis of the self-operated pressure regulator, so that the stability of the self-operated pressure regulator is kept when the spring adjusting cavity is used;
3. the lowest guaranteed pressure of the outlet of the pressure regulator is controlled by setting an adjusting spring of the pressure regulator; the highest outlet pressure of the pressure regulator is controlled by the set pressure of the pressure regulator, so that the safety and the stability of the system are ensured;
4. the remote regulation of the pressure regulating system is realized, and the response time is improved; unattended operation can be realized on site, and the operation cost is saved.
Drawings
Fig. 1 is an overall structural view of a pneumatic remote pressure-regulating control system.
Fig. 2 is a structural diagram of an electric linkage of a pneumatic remote pressure regulating control system.
Fig. 3 is a schematic structural diagram of a gas regulator in the prior art.
Fig. 4 is a schematic diagram of a spring adjustment cavity in the prior art.
Fig. 5 is a schematic structural diagram of a gas regulator of a pneumatic remote pressure regulating control system.
Fig. 6 is a schematic diagram of a spring regulation cavity of a pneumatic remote pressure regulation control system.
In the figure: 100. a gas regulator; 101. an air inlet; 102. an air outlet; 120. an original spring adjusting cavity; 121. covering the original cover; 110. a spring adjustment chamber; 111. pressure guide holes; 112. an upper cover; 113. a protective cover; 114. adjusting the bolt; 115. adjusting the spring; 200. an electrical linkage; 201. a pressure regulator; 203. a pressure-increasing electromagnetic valve; 204. a pressure reducing solenoid valve; 205. a micro-regulating valve; 206. a manual ball valve; 300. an inlet duct; 400. an outlet conduit; 401. a pressure sensor; 402. a controller; 403. and (5) emptying a pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: as shown in fig. 1-2, a pneumatic remote pressure-regulating control system of the present invention comprises: a gas regulator 100 that regulates gas pressure; the gas regulator 100 comprises a gas inlet 101 and a gas outlet 102; the air inlet 101 is connected with an inlet pipeline 300; the air outlet 102 is connected with an outlet pipeline 400; a pressure sensor 401 provided on the outlet pipe 400 of the gas regulator 100 for detecting the output pressure of the gas regulator 100; a regulator for remotely adjusting gas pressure; an electric linkage 200 for receiving the regulator signal and controlling the operation of the gas regulator 100; an emptying pipe 403 is arranged on the outlet pipeline 400;
as shown in fig. 3-4, the gas regulator 100 in the prior art does not form a closed space in the original spring regulation cavity 120 through the original upper cover 121;
5-6 the gas regulator 100 of the present application further comprises a closed spring regulation chamber 110; and a pressure guide hole 111 provided in the spring adjustment chamber 110; an adjusting spring 115 and an adjusting bolt 114 arranged in the spring adjusting cavity 110;
an upper cover 112 is arranged on the outer wall of the spring adjusting cavity 110, and a protective cover 113 is added to change the interior of the spring adjusting cavity 110 into a sealed cavity;
the electric linkage device 200 comprises a pressure regulator 201, a pressure-increasing electromagnetic valve 203, a pressure-reducing electromagnetic valve 204, a pressure gauge, a manual ball valve 206 and a micro-regulating valve 205; two air source interfaces of the pressure regulator 201 are respectively connected with an inlet pipeline 300 and a boosting electromagnetic valve 203 through pressure guiding pipes; the pressure-increasing electromagnetic valve 203 is respectively connected with the pressure-reducing electromagnetic valve 204 and the micro-regulating valve 205 through pressure-guiding pipes; the micro-regulating valve 205 is connected with the pressure guide hole 111 of the spring regulating cavity 110 through a pressure guide pipe; the pressure reducing electromagnetic valve 204 is connected with the emptying pipe 403 through a pressure guide pipe; a pressure gauge is arranged at the outlet end of the pressure regulator 201; the two ends of the pressure-increasing electromagnetic valve 203 and the pressure-reducing electromagnetic valve 204 are respectively connected with a manual ball valve 206 in parallel;
as shown in fig. 1-2,5-6, the invention also comprises a control method of the pneumatic remote pressure regulating control system:
when the controller 402 inputs a set pressure value, the controller 402 receives the pressure detected by the pressure sensor 401 and compares the pressure at the outlet of the gas regulator 100 with the set pressure,
if the outlet pressure of the gas regulator 100 is lower than the set pressure, the controller 402 sends a valve opening instruction to the pressure boosting electromagnetic valve 203, the pressure boosting electromagnetic valve 203 is opened and throttled by the micro-regulating valve 205, then the regulated pressure of the pressure regulator 201 is transmitted to the spring regulating cavity 110 of the gas regulator 100 through the pressure guide hole 111, the outlet pressure of the gas regulator 100 is correspondingly increased when the pressure of the spring regulating cavity 110 is increased, when the outlet pressure of the gas regulator 100 reaches the set pressure value, the controller 402 sends a valve closing instruction to the pressure boosting electromagnetic valve 203, the pressure boosting electromagnetic valve 203 is closed, and the outlet pressure of the gas regulator 100 is kept at the set pressure value;
if the outlet pressure of the gas regulator 100 is higher than the set value pressure, the controller 402 sends a valve opening instruction to the pressure reducing solenoid valve 204, the pressure reducing solenoid valve 204 is opened, throttled by the micro-regulating valve 205, and then the pressure of the spring regulating cavity 110 is discharged to the vent pipe 403 through the pressure guide hole 111, and the outlet pressure of the gas regulator 100 is correspondingly reduced when the pressure of the spring regulating cavity 110 is reduced. When the outlet pressure of the gas regulator 100 reaches the set pressure value, the controller 402 sends a valve closing instruction to the pressure reducing solenoid valve 204, the pressure reducing solenoid valve 204 is closed, and the outlet pressure of the gas regulator 100 is maintained at the set pressure value.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. The utility model provides a pneumatic type remote pressure regulating control system which characterized in that: comprises a gas regulator (100) for regulating gas pressure; the gas regulator (100) comprises a gas inlet (101) and a gas outlet (102); the air inlet (101) is connected with an inlet pipeline (300); the air outlet (102) is connected with an outlet pipeline (400); the pressure sensor (401) is arranged on an outlet pipeline (400) of the gas regulator (100) and is used for detecting the output pressure of the gas regulator (100); a regulator for remotely adjusting gas pressure; an electric linkage (200) for receiving the regulator signal and controlling the operation of the gas regulator (100); and an emptying pipe (403) is arranged on the outlet pipeline (400).
2. The pneumatic remote pressure regulating control system of claim 1, wherein: the gas regulator (100) further comprises a closed spring regulation cavity (110); and a pressure guide hole (111) arranged in the spring adjusting cavity (110); the adjusting device also comprises an adjusting spring (115) and an adjusting bolt (114) which are arranged in the spring adjusting cavity (110).
3. The pneumatic remote pressure regulating control system of claim 2, wherein: the electric linkage device (200) comprises a pressure regulator (201), a pressure-increasing electromagnetic valve (203), a pressure-reducing electromagnetic valve (204), a pressure gauge, a manual ball valve (206) and a micro-regulating valve (205); two air source interfaces of the pressure regulator (201) are respectively connected with an inlet pipeline (300) and a boosting electromagnetic valve (203) through pressure guiding pipes; the pressure-increasing electromagnetic valve (203) is respectively connected with the pressure-reducing electromagnetic valve (204) and the micro-regulating valve (205) through pressure-guiding pipes; the micro-regulating valve (205) is connected with a pressure guide hole (111) of the spring regulating cavity (110) through a pressure guide pipe; the pressure reduction electromagnetic valve (204) is connected with the emptying pipe (403) through a pressure guide pipe; a pressure gauge is arranged at the outlet end of the pressure regulator (201); the two ends of the pressure-increasing electromagnetic valve (203) and the two ends of the pressure-reducing electromagnetic valve (204) are respectively connected with a manual ball valve (206) in parallel.
4. The control method of the pneumatic type remote pressure-regulating control system according to any one of claims 1 to 3, wherein:
the controller (402) inputs a set pressure value, the controller (402) receives the outlet pressure of the gas regulator (100) detected by the pressure sensor (401) and compares the outlet pressure with the set pressure,
if the outlet pressure of the gas regulator (100) is lower than the set value pressure, a controller (402) sends a valve opening instruction to a pressure boosting electromagnetic valve (203), the pressure boosting electromagnetic valve (203) is opened and throttled by a micro-regulating valve (205) to transmit the regulating pressure of a pressure regulator (201) to a spring regulating cavity (110) of the gas regulator (100) through a pressure guide hole (111), the outlet pressure of the gas regulator (100) is correspondingly increased when the pressure of the spring regulating cavity (110) is increased, when the outlet pressure of the gas regulator (100) reaches the set value, the controller (402) sends a valve closing instruction to the pressure boosting electromagnetic valve (203), the pressure boosting electromagnetic valve (203) is closed, and the outlet pressure of the gas regulator (100) is kept at the set value;
if the outlet pressure of the gas regulator (100) is higher than the set value pressure, the controller (402) sends a valve opening instruction to the pressure reducing electromagnetic valve (204), the pressure reducing electromagnetic valve (204) is opened, throttles through the micro-regulating valve (205) and then discharges the pressure of the spring regulating cavity (110) to the emptying pipe (403) through the pressure guide hole (111), and the outlet pressure of the gas regulator (100) is correspondingly reduced when the pressure of the spring regulating cavity (110) is reduced.
5. When the outlet pressure of the gas regulator (100) reaches a set pressure value, the controller (402) sends a valve closing instruction to the pressure reducing electromagnetic valve (204), the pressure reducing electromagnetic valve (204) is closed, and the outlet pressure of the gas regulator (100) is kept at the set pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708560.2A CN113531398B (en) | 2021-06-25 | 2021-06-25 | Pneumatic type remote pressure regulating control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708560.2A CN113531398B (en) | 2021-06-25 | 2021-06-25 | Pneumatic type remote pressure regulating control system |
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| CN113531398A true CN113531398A (en) | 2021-10-22 |
| CN113531398B CN113531398B (en) | 2022-06-03 |
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| CN202110708560.2A Active CN113531398B (en) | 2021-06-25 | 2021-06-25 | Pneumatic type remote pressure regulating control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215926A (en) * | 2022-02-21 | 2022-03-22 | 广东永泉阀门科技有限公司 | Water attack-resistant micro-resistance type intelligent adjusting water pump control valve and control method thereof |
| CN114791050A (en) * | 2022-04-21 | 2022-07-26 | 欧世盛（北京）科技有限公司 | Automatic back pressure valve and fluid metering and adding system |
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| CN114791050A (en) * | 2022-04-21 | 2022-07-26 | 欧世盛（北京）科技有限公司 | Automatic back pressure valve and fluid metering and adding system |
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| Publication number | Publication date |
|---|---|
| CN113531398B (en) | 2022-06-03 |
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