CN211875197U - Electric control pressure regulating valve - Google Patents

Electric control pressure regulating valve Download PDF

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Publication number
CN211875197U
CN211875197U CN202020514187.8U CN202020514187U CN211875197U CN 211875197 U CN211875197 U CN 211875197U CN 202020514187 U CN202020514187 U CN 202020514187U CN 211875197 U CN211875197 U CN 211875197U
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CN
China
Prior art keywords
pressure
fixedly connected
piston
pressure relief
adjusting
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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.)
Expired - Fee Related
Application number
CN202020514187.8U
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Chinese (zh)
Inventor
袁兴惠
杨泽江
蒋云怒
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Sichuan Water Conservancy Vocational College
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Sichuan Water Conservancy Vocational College
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Priority to CN202020514187.8U priority Critical patent/CN211875197U/en
Application granted granted Critical
Publication of CN211875197U publication Critical patent/CN211875197U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of valve control, and an automatically controlled air-vent valve is disclosed, including the valve body, the valve body includes intake pipe and outlet duct, intake pipe and outlet duct are linked together, perpendicular to intake pipe and outlet duct upside are provided with the pressure adjustment mechanism who is used for adjusting outlet duct pressure of giving vent to anger, perpendicular to intake pipe and outlet duct downside are provided with pressure relief mechanism, the last second pressure sensor that is provided with of pressure relief mechanism; the pressure adjusting mechanism is provided with a first pressure sensor, the pressure adjusting mechanism is externally provided with a display controller, and the first pressure sensor, the second pressure sensor and the display controller are electrically connected. Aim at adjusts the inside gas pressure value of pipeline to guarantee that the pressure value of outlet duct department is in the required pressure value scope of work all the time.

Description

Electric control pressure regulating valve
Technical Field
The utility model relates to a valve control technical field specifically is an automatically controlled air-vent valve.
Background
The pressure regulating valve is a lever type pressure difference feedback control pressure regulating valve, gas in a gas cylinder is liquid, the pressure is too high, the gas cylinder is suitable for being introduced into a stove for combustion only by pressure reduction, and classification is carried out according to modes of application and action, main parameters, pressure, medium working temperature, special application (namely special and special valves), driving energy, structure and the like.
The error often can appear when detecting the numerical value of its pressure value at the in-process that uses of current automatically controlled air-vent valve, and then leads to pressure release or pressure boost untimely, leads to equipment to suffer the damage, and current automatically controlled air-vent valve often uses often the internal pressure value to reach the standard, can not automize and adjust it, leads to when the inside pressure value of equipment is on the small side, can't in time pressurize to the set pressure value.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides an automatically controlled air-vent valve possesses the advantage that can carry out regulation and control to the pressure value in real time, has solved current automatically controlled air-vent valve and often can appear detecting the numerical value of its pressure value and error and then lead to pressure release or pressure boost untimely at the in-process that uses, leads to the equipment to suffer the problem of damage.
The utility model provides a following technical scheme: the pressure regulating valve comprises a valve body, wherein the valve body comprises an air inlet pipe and an air outlet pipe, the air inlet pipe is communicated with the air outlet pipe, a pressure regulating mechanism for regulating the air outlet pressure of the air outlet pipe is arranged on the upper side perpendicular to the air inlet pipe and the upper side perpendicular to the air outlet pipe, a pressure relief mechanism is arranged on the lower side perpendicular to the air inlet pipe and the lower side perpendicular to the air outlet pipe, and a second pressure sensor is arranged; the pressure adjusting mechanism is provided with a first pressure sensor, the pressure adjusting mechanism is externally provided with a display controller, and the first pressure sensor, the second pressure sensor and the display controller are electrically connected.
Preferably, the pressure regulating mechanism comprises a pressure regulating cavity, the position of the lower end of the pressure regulating cavity communicated with the air inlet pipe is fixedly connected with a first elastic diaphragm, the pressure regulating cavity is separated from the air inlet pipe and the air outlet pipe by the first elastic diaphragm, a regulating piston is slidably connected in the pressure regulating cavity, and the regulating piston is fixedly connected with the first elastic diaphragm; a first electric push rod is fixedly connected to the inner wall of the upper end of the pressure regulating cavity, the movable end of the first electric push rod is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with a regulating piston; a first pressure sensor is arranged between the first spring and the adjusting piston.
Preferably, the inner wall of the pressure regulating cavity is fixedly connected with a stop block for limiting the upward displacement of the regulating piston.
Preferably, the pressure relief mechanism comprises a pressure relief cavity fixedly connected with the valve body, a second electric push rod is arranged in the pressure relief cavity, a movable end of the second electric push rod is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a pressure relief piston, the pressure relief piston is in sliding fit with the pressure relief cavity, the pressure relief piston blocks a passage for communicating the air inlet pipe with the pressure relief pipe, and the pressure relief pipe is arranged on the side wall of the air inlet pipe or the air outlet pipe and communicated with the outside; and a second pressure sensor is arranged between the second spring and the pressure relief piston.
Preferably, the pressure relief cavity is fixedly connected with the second elastic diaphragm at a position communicated with the air inlet pipe and the air outlet pipe, and one surface of the second elastic diaphragm facing the pressure relief cavity is fixedly connected with the pressure relief piston.
The utility model discloses possess following beneficial effect: the electric control pressure regulating valve enables the first electric push rod and the second electric push rod to move by setting the required working pressure to extrude the first spring and the second spring, so that the pressure value in the pipeline is ensured to be consistent with the pressure values of the first spring and the second spring; when the pressure value in the pipeline is higher than the pressure value required by work, the pressure relief opening is opened, so that the pressure in the pipeline is relieved through the pressure relief opening; when the internal pressure value is smaller than the pressure value required by work, the first spring extrudes downwards to change the cross-sectional area of the air flow circulation of the pipeline, so that the pressure is increased.
Drawings
Fig. 1 is a schematic view of the sectional structure of the present invention.
In the figure: 1. a valve body; 2. an adjusting piston; 3. a first spring; 4. a first electric push rod; 5. a first elastic diaphragm; 6. a pressure relief piston; 7. a second electric push rod; 8. a pressure relief cavity; 9. a pressure relief pipe; 10. a stopper; 11. an air inlet pipe; 12. an air outlet pipe; 13. a pressure gauge; 14. a display controller; 15. a pressure regulating cavity; 16. a second spring; 17. a second elastic diaphragm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the valve comprises a valve body 1, wherein the valve body 1 comprises an air inlet pipe 11 and an air outlet pipe 12, the air inlet pipe 11 is communicated with the air outlet pipe 12, a pressure adjusting mechanism for adjusting the air outlet pressure of the air outlet pipe 12 is arranged at the position perpendicular to the upper sides of the air inlet pipe 11 and the air outlet pipe 12, a pressure relief mechanism is arranged at the position perpendicular to the lower sides of the air inlet pipe 11 and the air outlet pipe 12, and a second pressure sensor is arranged on the pressure relief mechanism; the pressure adjusting mechanism is provided with a first pressure sensor, the pressure adjusting mechanism is externally provided with a display controller 14, and the first pressure sensor and the second pressure sensor are electrically connected with the display controller 14. The display controller 14 is provided with an electronic display screen, whether the pressure regulated by the electronic control pressure regulating valve is consistent with a required pressure value or not can be known from the electronic display screen, the display controller 14 is provided with a control chip, the control chip can control the pressure regulating mechanism to increase or control the pressure relief mechanism to release pressure through pressure signals transmitted by the first pressure sensor and the second pressure sensor, and therefore the pressure in the pipeline is guaranteed to be always kept in a numerical range required by work.
The pressure adjusting mechanism comprises a pressure adjusting cavity 15, a first elastic diaphragm 5 is fixedly connected to the position, communicated with the air inlet pipe 11, of the lower end of the pressure adjusting cavity 15, the pressure adjusting cavity 15 is separated from the air inlet pipe 11 and the air outlet pipe 12 by the first elastic diaphragm 5, an adjusting piston 2 is slidably connected in the pressure adjusting cavity 15, and the piston 2 is fixedly connected with the first elastic diaphragm 5; a first electric push rod 4 is fixedly connected to the inner wall of the upper end of the pressure regulating cavity 15, a first spring 3 is fixedly connected to the movable end of the first electric push rod 4, and the other end of the first spring 3 is fixedly connected with the regulating piston 2; a first pressure sensor is arranged between the first spring 3 and the adjusting piston 2. When the first spring 3 is in an unstressed state, the pressure between the adjusting piston 2 and the first spring 3 is zero, and the display controller 14 displays the pressure as '0', when gas passes through the pipeline, the adjusting piston 2 is upwards displaced by the pressure of the gas, and the pressure between the adjusting piston 2 and the first spring 3 is the pressure value of the gas in the pipeline and is displayed on the display controller 14; when the pressure value in the pipeline is less than the required working pressure, the controller controls the first electric push rod 4 to extend downwards to compress the first spring 3, the first spring 3 is pressed to enable the adjusting piston 2 to move downwards, and therefore the cross-sectional area through which the gas flows is reduced, and the pressure of the gas flowing out of the gas outlet pipe 12 is increased.
The first electric push rod 4 can also be controlled to move downwards in advance to compress the first spring 3, so that the first spring 3 obtains the required pressure, and when the gas pressure in the pipeline is the required pressure, the current pressure value is displayed on the display controller 14; when the pressure of the gas in the pipeline is smaller and does not reach the required pressure, the adjusting piston 2 moves downwards under the pressure of the first spring 3, so that the cross-sectional area of the gas flowing through the pipeline is reduced, and the pressure of the gas flowing out is increased.
And a stop block 10 for limiting the upward displacement of the adjusting piston 2 is fixedly connected to the inner wall of the pressure adjusting cavity 15. When first spring 3 is not atress, for the state of separating mutually between dog 10 and the adjusting piston 2, gas pressure is too high in can avoiding the pipeline in the setting of dog 10 for adjusting piston 2 constantly upwards extrudees, causes first electric putter 4 to damage.
The pressure relief mechanism comprises a pressure relief cavity 8 fixedly connected with the valve body 1, a second electric push rod 7 is arranged in the pressure relief cavity 8, the movable end of the second electric push rod 7 is fixedly connected with a second spring 16, the other end of the second spring 16 is fixedly connected with a pressure relief piston 6, the pressure relief piston 6 is in sliding fit with the pressure relief cavity 8, the pressure relief piston 6 blocks a passage for communicating the air inlet pipe 11 with the pressure relief pipe 9, and the pressure relief pipe 9 is arranged on the side wall of the air inlet pipe 11 or the air outlet pipe 12 and communicated with the outside; a second pressure sensor is arranged between the second spring 16 and the pressure relief piston 6. Through setting up the working pressure value for controller control second electric putter 7 upward movement compresses second spring 16, thereby makes pressure release piston 6 upward movement, and supports the pressure release oral area that forms between intake pipe 11 and outlet duct 12, can learn whether the pressure value that sets up this moment is the required pressure value of work according to second pressure sensor, and show on display controller 14. When the gas pressure value in the pipeline is higher than the required working pressure value, the gas pressure is greater than the pressure of the second spring 16, so that the pressure relief piston 6 moves downwards, the pressure relief pipe 9 is communicated with the pipeline at the moment, the gas in the pipeline is released from the pressure relief pipe 9, the pressure relief pipe 9 can be connected with other gas pipes, and the gas released from the pressure relief pipe 9 is reserved for secondary use.
The outlet pipe 12 can be connected with a pressure gauge 13, and whether the pressure value at the outlet pipe 12 meets the pressure required by work or not can be monitored in real time, so that whether the electric control pressure regulating valve is in a stable working state or not is ensured.
The pressure relief cavity 8 is fixedly connected with the second elastic diaphragm 17 at the position communicated with the air inlet pipe 11 and the air outlet pipe 12, and one surface of the second elastic diaphragm 17 facing the pressure relief cavity 8 is fixedly connected with the pressure relief piston 6. The second elastic diaphragm 17 can prevent the gas in the pipeline from flowing into the pressure relief cavity 8, and the normal operation of other devices in the pressure relief cavity 8 is affected.
The specific working mode is as follows: after the electric control pressure regulating valve is connected to a required pipeline, a worker can adjust the extension length of the second electric push rod 7 through a controller in the display controller 14 according to the pressure required by work, and can know whether the adjusted pressure is the pressure required by work through the second pressure sensor.
At this time, gas is introduced into the pipeline, the gas has a certain pressure, the gas pressure extrudes the adjusting piston 2 upwards, the pressure sensed by the first sensor is the gas pressure value in the pipeline, and the pressure value is displayed in the display controller 14; if the displayed numerical value is lower than the pressure value required by work, the controller controls the first electric push rod 4 to extend downwards and compress the first spring 3, so that the adjusting piston 2 moves downwards to reduce the section area of the pipeline, and the pressure in the pipeline is increased; if the gas pressure value in the pipeline is greater than the pressure value required by work, the pressure relief piston 6 moves downwards at the moment, so that the pressure relief opening is opened, gas flows out of the pressure relief pipe 9, and the gas pressure in the gas outlet pipe 12 is guaranteed to be always at a stable value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An automatically controlled air-vent valve, includes valve body (1), its characterized in that: the valve body (1) comprises an air inlet pipe (11) and an air outlet pipe (12), the air inlet pipe (11) is communicated with the air outlet pipe (12), a pressure adjusting mechanism for adjusting the air outlet pressure of the air outlet pipe (12) is arranged on the upper side perpendicular to the air inlet pipe (11) and the air outlet pipe (12), a pressure relief mechanism is arranged on the lower side perpendicular to the air inlet pipe (11) and the air outlet pipe (12), and a second pressure sensor is arranged on the pressure relief mechanism; the pressure adjusting mechanism is provided with a first pressure sensor, the pressure adjusting mechanism is externally provided with a display controller (14), and the first pressure sensor and the second pressure sensor are electrically connected with the display controller (14).
2. An electrically controlled pressure regulating valve according to claim 1 wherein: the pressure adjusting mechanism comprises a pressure adjusting cavity (15), the position, communicated with the air inlet pipe (11), of the lower end of the pressure adjusting cavity (15) is fixedly connected with a first elastic diaphragm (5), the pressure adjusting cavity (15) is separated from the air inlet pipe (11) and the air outlet pipe (12) by the first elastic diaphragm (5), the pressure adjusting cavity (15) is connected with an adjusting piston (2) in a sliding mode, and the adjusting piston (2) is fixedly connected with the first elastic diaphragm (5); a first electric push rod (4) is fixedly connected to the inner wall of the upper end of the pressure regulating cavity (15), the movable end of the first electric push rod (4) is fixedly connected with a first spring (3), and the other end of the first spring (3) is fixedly connected with a regulating piston (2); a first pressure sensor is arranged between the first spring (3) and the adjusting piston (2).
3. An electrically controlled pressure regulating valve according to claim 2 wherein: and a stop block (10) for limiting the upward displacement of the adjusting piston (2) is fixedly connected to the inner wall of the pressure adjusting cavity (15).
4. An electrically controlled pressure regulating valve according to claim 1 wherein: the pressure relief mechanism comprises a pressure relief cavity (8) fixedly connected with the valve body (1), a second electric push rod (7) is arranged in the pressure relief cavity (8), the movable end of the second electric push rod (7) is fixedly connected with a second spring (16), the other end of the second spring (16) is fixedly connected with a pressure relief piston (6), the pressure relief piston (6) is in sliding fit with the pressure relief cavity (8), the pressure relief piston (6) isolates a passage for communicating the air inlet pipe (11) with the pressure relief pipe (9), and the pressure relief pipe (9) is arranged on the side wall of the air inlet pipe (11) or the air outlet pipe (12) and is communicated with the outside; and a second pressure sensor is arranged between the second spring (16) and the pressure relief piston (6).
5. An electrically controlled pressure regulating valve according to claim 4 wherein: the pressure release chamber (8) is communicated with the air inlet pipe (11) and the air outlet pipe (12) and is fixedly connected with a second elastic diaphragm (17), and one surface, facing the pressure release chamber (8), of the second elastic diaphragm (17) is fixedly connected with the pressure release piston (6).
CN202020514187.8U 2020-04-09 2020-04-09 Electric control pressure regulating valve Expired - Fee Related CN211875197U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020514187.8U CN211875197U (en) 2020-04-09 2020-04-09 Electric control pressure regulating valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020514187.8U CN211875197U (en) 2020-04-09 2020-04-09 Electric control pressure regulating valve

Publications (1)

Publication Number Publication Date
CN211875197U true CN211875197U (en) 2020-11-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020514187.8U Expired - Fee Related CN211875197U (en) 2020-04-09 2020-04-09 Electric control pressure regulating valve

Country Status (1)

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CN (1) CN211875197U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483509A (en) * 2021-12-15 2022-05-13 烟台杰瑞石油服务集团股份有限公司 Pressure stabilizing and pressurizing device, pumping equipment and control method of pumping equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483509A (en) * 2021-12-15 2022-05-13 烟台杰瑞石油服务集团股份有限公司 Pressure stabilizing and pressurizing device, pumping equipment and control method of pumping equipment
CN114483509B (en) * 2021-12-15 2024-05-14 烟台杰瑞石油服务集团股份有限公司 Pressure stabilizing and boosting device, pumping equipment and control method of pumping equipment

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201106

Termination date: 20210409