CN112943990A - Remote setting self-operated pressure regulating valve - Google Patents
Remote setting self-operated pressure regulating valve Download PDFInfo
- Publication number
- CN112943990A CN112943990A CN202110065237.8A CN202110065237A CN112943990A CN 112943990 A CN112943990 A CN 112943990A CN 202110065237 A CN202110065237 A CN 202110065237A CN 112943990 A CN112943990 A CN 112943990A
- Authority
- CN
- China
- Prior art keywords
- pressure
- main control
- control valve
- electrical converter
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F16K17/048—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 combined with other safety valves, or with pressure control devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a remote setting self-operated pressure regulating valve, which relates to the technical field of pressure regulating valves and comprises a pressure reducing valve, an electrical converter, a set pressure multiplier, a main control valve and a controller, wherein the main control valve is arranged on a main pipeline, the pressure reducing valve is connected with the electrical converter, the electrical converter is connected with the set pressure multiplier, the set pressure multiplier is connected with the main control valve, and the controller is connected with the electrical converter and used for transmitting a pneumatic signal to the electrical converter. In the invention, the opening and closing degree of the valve of the main control valve is automatically controlled through remote setting of the 4-20MA standard signal of the controller, so that manual pressure regulation on site is omitted, and the requirement of frequently changing set pressure on site is met.
Description
Technical Field
The invention relates to the technical field of pressure regulating valves, in particular to a remote setting self-operated pressure regulating valve.
Background
The self-operated pressure regulating valve is widely applied to the automatic control fields of pharmacy, chemical engineering and the like because of no need of external power, simple structure and quick response, but the self-operated pressure regulating valve needs to manually adjust the compression force of the spring on site when the set pressure needs to be changed, is complicated and laborious, and is particularly careless for the working condition that the set pressure needs to be frequently changed.
Disclosure of Invention
The invention aims to provide a remote setting self-operated pressure regulating valve which is used for solving the technical problem.
The technical scheme adopted by the invention is as follows:
the utility model provides a long-range formula pressure regulating valve of relying on oneself of setting, includes relief pressure valve, electrical converter, sets for pressure multiplier, main control valve and controller, wherein, the main control valve is installed on the trunk line, the relief pressure valve with electrical converter connects, electrical converter with set for the pressure multiplier and connect, set for the pressure multiplier with the main control valve is connected, the controller with electrical converter connects for carry pneumatic signal extremely electrical converter.
Preferably, a first signal interface is arranged at the upper end of the main control valve, and a second signal interface is arranged in the middle of the main control valve.
As a further preferred option, a first inlet nozzle is further disposed in the middle of the main control valve, and the first inlet nozzle is located on the lower side of the second signal interface.
Preferably, a second inlet nozzle is disposed at a lower end of the set pressure multiplier, and an outlet nozzle is disposed at an upper end of the set pressure multiplier, wherein the electrical converter is connected to the second inlet nozzle, and the outlet nozzle is connected to the first inlet nozzle.
Preferably, a third signal interface is arranged at the upper end of one side of the set pressure multiplier, and the third signal interface is respectively connected with the first signal interface and the second signal interface.
Preferably, the controller is a pressure transmitter.
The technical scheme has the following advantages or beneficial effects:
in the invention, the opening and closing degree of the valve of the main control valve is automatically controlled through remote setting of the 4-20MA standard signal of the controller, so that manual pressure regulation on site is omitted, and the requirement of frequently changing set pressure on site is met.
Drawings
FIG. 1 is a schematic diagram of the connection of a remote-setting self-operated pressure regulator according to the present invention.
In the figure: 1. a pressure reducing valve; 2. an electrical converter; 3. setting a pressure multiplier; 31. a second inlet mouth; 32. an outlet mouth; 33. a third signal interface; 4. a master control valve; 41. a first signal interface; 42. a second signal interface; 43. a first inlet mouth; 5. a main pipeline.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic connection diagram of a remote setting self-operated pressure regulating valve according to the present invention, please refer to fig. 1, which shows a preferred embodiment, and the remote setting self-operated pressure regulating valve includes a pressure reducing valve 1, an electrical converter 2, a setting pressure multiplier 3, a main control valve 4 and a controller (not shown in the figure), wherein the main control valve 4 is installed on a main pipe 5, the pressure reducing valve 1 is connected with the electrical converter 2, the electrical converter 2 is connected with the setting pressure multiplier 3, the setting pressure multiplier 3 is connected with the main control valve 4, and the controller is connected with the electrical converter 2 and is configured to transmit an electrical signal to the electrical converter 2. In this embodiment, when compressed air enters the pressure reducing valve 1, the pressure reducing valve 1 is used for reducing the pressure of the compressed air, the electrical converter 2 is used for converting the compressed air into a standard 20-100KPa pneumatic signal, the pressure multiplier 3 is set to amplify the pressure and then enter the main control valve 4, and the controller is used for transmitting a 4-20MA standard signal to the electrical converter 2. In the whole control process, the set pressure can be adjusted only by remotely adjusting the signal of the 4-20MA standard instrument. The controller is arranged in the control room, and workers can adjust the pressure of the main control valve 4 in the control room through the controller.
Further, as a preferred embodiment, the upper end of the main control valve 4 is provided with a first signal interface 41, and the middle of the main control valve 4 is provided with a second signal interface 42.
Further, as a preferred embodiment, the main control valve 4 is further provided with a first inlet nozzle 43 at the middle part, and the first inlet nozzle 43 is located at the lower side of the second signal interface 42.
Further, as a preferred embodiment, the lower end of the setting pressure multiplier 3 is provided with a second inlet nozzle 31, and the upper end of the setting pressure multiplier 3 is provided with an outlet nozzle 32, wherein the electrical converter 2 is connected with the second inlet nozzle 31, and the outlet nozzle 32 is connected with the first inlet nozzle 43. In this embodiment, the compressed air converted by the electrical converter 2 enters the set pressure multiplier 3 through the second inlet nozzle 31, exits the set pressure multiplier 3 through the outlet nozzle 32 after being pressurized by the set pressure multiplier 3, and enters the main control valve 4 through the first inlet nozzle 43.
Further, as a preferred embodiment, a third signal interface 33 is disposed at an upper end of one side of the setting pressure multiplier 3, and the third signal interface 33 is connected to the first signal interface 41 and the second signal interface 42, respectively. In this embodiment, after the pressure multiplier 3 is set to receive the pneumatic signal of the electrical converter 2, the pneumatic signal is converted into a loading pressure signal, and the loading pressure signal is output from the third signal interface 33 to the second signal interface 42 of the main control valve 4, and the fluid pressure in the main pipe 5 is fed back to the first signal interface 41 of the main control valve 4 and compared with the loading pressure signal in the main control valve 4 to achieve the purpose of adjustment.
Further, as a preferred embodiment, the controller is a standard signal generator. The reference signal generator is used for outputting a 4-20MA reference signal to the electrical converter 2.
The using method of the invention is as follows:
compressed air enters a pressure reducing valve 1 for pressure reduction and then enters an electric converter 2, a controller outputs a 4-20MA standard signal to the electric converter 2, the electric converter 2 converts the reduced compressed air into a standard 20-100KPa pneumatic signal and outputs the pneumatic signal to a set pressure multiplier 3, the pneumatic signal enters the set pressure multiplier 3 and is amplified and converted into dynamic loading pressure required by a main control valve 4, the main control valve 4 receives the loading pressure to open the valve, and meanwhile, fluid pressure in a downstream pipeline 5 is fed back to the main control valve 4 to be compared with the loading pressure for regulation so as to achieve the control purpose.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a long-range formula pressure regulating valve of relying on oneself of setting, its characterized in that includes relief pressure valve, electrical converter, sets for pressure multiplier, main control valve and controller, wherein, the main control valve is installed on the trunk line, the relief pressure valve with electrical converter connects, electrical converter with set for the pressure multiplier and connect, set for the pressure multiplier with the main control valve is connected, the controller with electrical converter connects for carry pneumatic signal extremely electrical converter.
2. The remote-setting self-operated pressure regulating valve according to claim 1, wherein the upper end of the main control valve is provided with a first signal interface, and the middle part of the main control valve is provided with a second signal interface.
3. The remote-set self-operated pressure regulating valve as claimed in claim 2, wherein the main control valve further comprises a first inlet nozzle at a middle portion thereof, and the first inlet nozzle is located at a lower side of the second signal port.
4. The remote-setting, self-operated pressure regulator of claim 3, wherein the lower end of the set pressure multiplier is provided with a second inlet nozzle and the upper end of the set pressure multiplier is provided with an outlet nozzle, wherein the electrical converter is connected to the second inlet nozzle and the outlet nozzle is connected to the first inlet nozzle.
5. The remote-setting self-operated pressure regulating valve according to claim 2, wherein a third signal port is provided at an upper end of one side of the setting pressure multiplier, and the third signal port is connected to the first signal port and the second signal port, respectively.
6. The remotely set, self-operated pressure regulator of claim 1, wherein said controller is a standard signal generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110065237.8A CN112943990A (en) | 2021-01-18 | 2021-01-18 | Remote setting self-operated pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110065237.8A CN112943990A (en) | 2021-01-18 | 2021-01-18 | Remote setting self-operated pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112943990A true CN112943990A (en) | 2021-06-11 |
Family
ID=76235463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110065237.8A Pending CN112943990A (en) | 2021-01-18 | 2021-01-18 | Remote setting self-operated pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112943990A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275686A (en) * | 2008-05-08 | 2008-10-01 | 四川华林自控科技有限公司 | Self-operated pressure control valve |
| CN101493101A (en) * | 2009-02-26 | 2009-07-29 | 株洲南方阀门股份有限公司 | Multifunctional water pump control valve for automatic pollution discharge |
| CN202349362U (en) * | 2011-12-16 | 2012-07-25 | 北京安达维尔机械维修技术有限公司 | Remote electronic control self-operated pressure regulating valve |
| CN103712064A (en) * | 2014-01-15 | 2014-04-09 | 青岛恒邦机电科技有限公司 | Self-operated pressure regulator |
-
2021
- 2021-01-18 CN CN202110065237.8A patent/CN112943990A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275686A (en) * | 2008-05-08 | 2008-10-01 | 四川华林自控科技有限公司 | Self-operated pressure control valve |
| CN101493101A (en) * | 2009-02-26 | 2009-07-29 | 株洲南方阀门股份有限公司 | Multifunctional water pump control valve for automatic pollution discharge |
| CN202349362U (en) * | 2011-12-16 | 2012-07-25 | 北京安达维尔机械维修技术有限公司 | Remote electronic control self-operated pressure regulating valve |
| CN103712064A (en) * | 2014-01-15 | 2014-04-09 | 青岛恒邦机电科技有限公司 | Self-operated pressure regulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112197171B (en) | Intelligent remote voltage regulation control system | |
| CN210829929U (en) | Compressed air supply system of electric pole production workshop | |
| CN212360771U (en) | An improved gas sealing device | |
| CN206741293U (en) | A kind of medical center oxygen supply monitoring system based on PLC | |
| CN112943990A (en) | Remote setting self-operated pressure regulating valve | |
| CN203223362U (en) | Constant pressure control system of air compressor | |
| CN107795850A (en) | Remote controlled pressure regulator | |
| CN214744980U (en) | Energy-conserving air feeder of factory building compressed air | |
| CN210461829U (en) | Pressure stabilizing director for gas pressure regulator | |
| CN211875197U (en) | Electric control pressure regulating valve | |
| CN207527292U (en) | Remote controlled pressure regulator | |
| CN203007483U (en) | Hydrogen and oxygen input control device of diffusion furnace | |
| CN109911856A (en) | A kind of household plateau High aititude intelligence oxygenerator | |
| CN201902626U (en) | Gas precision pressure-reducing valve | |
| CN108153342B (en) | A hydrazine decomposition catalyst test-run device | |
| CN212182465U (en) | Pressure regulating device and system | |
| CN211875692U (en) | Air supply pressure adjusting device for process pipeline | |
| CN214249160U (en) | Two-stage flow automatic regulation energy-saving voltage stabilizing system | |
| CN211039845U (en) | Argon pressure reducer with high-pressure valve | |
| CN212511720U (en) | Air supply pipeline capable of automatically adjusting air pressure | |
| CN204554363U (en) | A kind of pressurized air end Decompression Controlling energy saving device | |
| CN102563190A (en) | Pneumatic positioning actuator with intermittent gas supply | |
| CN114592874A (en) | Pressure maintaining control system for circulating air cushion bin of shield tunneling machine, shield tunneling machine and control method | |
| CN212156642U (en) | Intelligent adjusting device and adjusting system for pressure regulating valve | |
| CN209264355U (en) | A Constant Velocity Control Box Applied to Portable Pulverized Coal Sampling Device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210611 |
|
| WD01 | Invention patent application deemed withdrawn after publication |