CN213982231U - Valve actuating system - Google Patents
Valve actuating system Download PDFInfo
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- CN213982231U CN213982231U CN202023211058.0U CN202023211058U CN213982231U CN 213982231 U CN213982231 U CN 213982231U CN 202023211058 U CN202023211058 U CN 202023211058U CN 213982231 U CN213982231 U CN 213982231U
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Abstract
The utility model provides a valve actuating system, including filtering pressure reducing valve, two three-way solenoid valve, two three-way air control valve one, two three-way air control valve two, pressure switch and gas holder, the entry intercommunication power supply of filtering pressure reducing valve, export and two three-way air control valve one on the air inlet first intercommunication, two three-way air control valve two on the air outlet first intercommunication; the pressure switch is arranged on the first two-position three-way pneumatic control valve; the two-position three-way electromagnetic valve is arranged on the two-position three-way pneumatic control valve II; and the gas storage tank is communicated with a second gas outlet on the two-position three-way pneumatic control valve II. The utility model discloses effectively reduce the use quantity of valve under the condition of guaranteeing the valve function, reduce use cost and occupation space.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to a valve actuating system.
Background
At present, a valve is a control component in a fluid delivery system, and has functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure, and the like, and is used for controlling the direction, pressure and flow of fluid in the fluid system.
The valve is a device which can make the medium (liquid, gas and powder) in the piping and equipment flow or stop and can control the flow of the medium, and can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal and radioactive media.
When a driving source fault or a control source fault occurs in a system, in order to ensure the operation safety of the whole system, valves at some positions need to be operated to a full-open or full-close state specified by the system to ensure the safe operation of the system, but under some special conditions, for example, when the driving source fault requires that the valves are fully closed and the control source fault requires that the valves are fully opened, two or more than two valves are required to be matched for use, which wastes resources.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a valve actuating system adopts single valve to solve special valve through each annex cooperation and opens and close the requirement, resources are saved, reduce cost reduces occupation space. The utility model adopts the technical proposal that:
a valve execution system comprises a filtering pressure reducing valve, a two-position three-way electromagnetic valve, a two-position three-way pneumatic control valve I, a two-position three-way pneumatic control valve II, a pressure switch and a gas storage tank, wherein an inlet of the filtering pressure reducing valve is communicated with a power source, an outlet of the filtering pressure reducing valve is communicated with a gas inlet I on the two-position three-way pneumatic control valve I, and a gas outlet I on the two-position three-way pneumatic control valve I is communicated with a gas inlet II on the two-position three-way pneumatic control valve II;
the pressure switch is arranged on the first two-position three-way pneumatic control valve;
the two-position three-way electromagnetic valve is arranged on the two-position three-way pneumatic control valve II;
and the gas storage tank is communicated with a second gas outlet on the two-position three-way pneumatic control valve II.
Further, the power source is meter air.
Further, a second air outlet on the two-position three-way pneumatic control valve is communicated with the valve actuating mechanism.
Furthermore, the pressure switch is connected with a first signal port on a first two-position three-way pneumatic control valve.
Further, the two-position three-way electromagnetic valve is connected with a second signal port on the two-position three-way pneumatic control valve.
The utility model has the advantages that: the two-position three-way pneumatic control valves are monitored through the pressure switch and the two-position three-way electromagnetic valve, when a driving source or a control source breaks down, the valves can run to the positions required by the system, and the safe operation of the system is guaranteed, so that the using number of the valves is reduced and the using cost is reduced under the condition that the functions of the valves are guaranteed.
Drawings
Fig. 1 is a schematic view of the present invention.
In the figure: the device comprises a filter pressure reducing valve 1, a two-position three-way electromagnetic valve 2, a two-position three-way pneumatic control valve 3, a gas outlet I3-1, a gas inlet I3-2, a gas outlet I3-3, a signal port I3-4, a two-position three-way pneumatic control valve II 4-1, a gas outlet II 4-2, a gas inlet II 4-3, a gas outlet II 4-4, a signal port II 5, a pressure switch and a gas storage tank 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a valve actuating system, which includes a filtering pressure reducing valve 1, a two-position three-way electromagnetic valve 2, a two-position three-way pneumatic control valve one 3, a two-position three-way pneumatic control valve two 4, a pressure switch 5 and a gas storage tank 6;
the two-position three-way pneumatic control valve I3 is provided with an air outlet I3-1, an air inlet I3-2, an air outlet I3-3 and a signal port I3-4, and the two-position three-way pneumatic control valve II 4 is provided with an air outlet II 4-1, an air inlet II 4-2, an air outlet II 4-3 and a signal port II 4-4;
the inlet of the filter pressure reducing valve 1 is communicated with a power source, the outlet of the filter pressure reducing valve is communicated with a first air inlet 3-2 on a first two-position three-way pneumatic control valve 3, and a first air outlet 3-1 on the first two-position three-way pneumatic control valve 3 is communicated with a second air inlet 4-2 on a second two-position three-way pneumatic control valve 4;
the pressure switch 5 is arranged on the two-position three-way pneumatic control valve I3;
the two-position three-way electromagnetic valve 2 is arranged on the two-position three-way pneumatic control valve II 4;
the air storage tank 6 is communicated with an air outlet II 4-3 on the two-position three-way pneumatic control valve II 4.
The power source is meter air.
And a gas outlet II 4-1 on the two-position three-way pneumatic control valve II 4 is communicated with the valve actuating mechanism.
The pressure switch 5 is connected with a signal port I3-4 on the two-position three-way pneumatic control valve I3.
The two-position three-way electromagnetic valve 2 is connected with a signal port II 4-4 on the two-position three-way pneumatic control valve II 4.
The working principle is as follows:
connecting an inlet of the filtering and reducing valve 1 with instrument air, sequentially connecting an outlet of the filtering and reducing valve with a first two-position three-way air control valve 3 and a second two-position three-way air control valve 4, connecting a gas outlet 4-1 of the second two-position three-way air control valve 4 with a valve actuating mechanism, respectively controlling signal ports of the first two-position three-way air control valve 3 and the second two-position three-way air control valve 4 by a pressure switch 5 and a two-position three-way electromagnetic valve 2, and finally connecting a gas storage tank 6 with a gas outlet 4-3 of the second two-position three-way air control valve 4 to complete the assembly of the system.
Under normal conditions, the pressure switch 5 and the two-position three-way electromagnetic valve 2 respectively provide signals for the two-position three-way air control valve I3 and the two-position three-way air control valve II 4, at the moment, an air outlet I3-1 of the two-position three-way air control valve I3 and an air inlet II 4-2 of the two-position three-way air control valve II 4 are communicated, instrument air normally enters the valve actuating mechanism, and the valve is opened;
when the pressure switch 5 detects that the driving source is in failure, the pressure drops below a set value of the pressure switch 5, a signal for the two-position three-way pneumatic control valve I3 is interrupted, the air outlet I3-1 of the two-position three-way pneumatic control valve I3 is disconnected with the air inlet I3-2, the air outlet I3-1 is communicated with the air outlet I3-3, instrument air in the valve actuating mechanism is exhausted to the outside atmosphere through the air outlet I3-3 of the two-position three-way pneumatic control valve I3, the valve actuating mechanism is closed, and the valve is closed and is in a safe state;
when the two-position three-way electromagnetic valve 2 breaks down, a signal for the two-position three-way pneumatic control valve II 4 is interrupted, the air outlet II 4-1 of the two-position three-way pneumatic control valve II 4 is disconnected with the air inlet II 4-2, the air outlet II 4-2 is communicated with the air outlet II 4-3, instrument air stored in the air storage tank 6 enters the valve actuating mechanism through the air outlet II 4-3 and the air outlet II 4-1 on the two-position three-way pneumatic control valve II 4, and the valve is opened to be in a safe state.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (5)
1. A valve actuator system, comprising: the filter pressure reducing valve comprises a filter pressure reducing valve (1), a two-position three-way electromagnetic valve (2), a two-position three-way pneumatic control valve I (3), a two-position three-way pneumatic control valve II (4), a pressure switch (5) and a gas storage tank (6), wherein an inlet of the filter pressure reducing valve (1) is communicated with a power source, an outlet of the filter pressure reducing valve I is communicated with a gas inlet I (3-2) on the two-position three-way pneumatic control valve I (3), and a gas outlet I (3-1) on the two-position three-way pneumatic control valve I (3) is communicated with a gas inlet II (4-2) on the two-position three-way pneumatic control valve II (4);
the pressure switch (5) is arranged on the two-position three-way pneumatic control valve I (3);
the two-position three-way electromagnetic valve (2) is arranged on the two-position three-way pneumatic control valve II (4);
and the air storage tank (6) is communicated with a second exhaust port (4-3) on the two-position three-way pneumatic control valve (4).
2. A valve actuator system according to claim 1, wherein: the power source is instrument air.
3. A valve actuator system according to claim 1, wherein: and a second air outlet (4-1) on the two-position three-way pneumatic control valve (4) is communicated with the valve actuating mechanism.
4. A valve actuator system according to claim 1, wherein: the pressure switch (5) is connected with a first signal port (3-4) on the first two-position three-way pneumatic control valve (3).
5. A valve actuator system according to claim 1, wherein: the two-position three-way electromagnetic valve (2) is connected with a second signal port (4-4) on the two-position three-way pneumatic control valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211058.0U CN213982231U (en) | 2020-12-28 | 2020-12-28 | Valve actuating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211058.0U CN213982231U (en) | 2020-12-28 | 2020-12-28 | Valve actuating system |
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| Publication Number | Publication Date |
|---|---|
| CN213982231U true CN213982231U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023211058.0U Active CN213982231U (en) | 2020-12-28 | 2020-12-28 | Valve actuating system |
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| CN (1) | CN213982231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263445A (en) * | 2022-08-09 | 2022-11-01 | 中广核工程有限公司 | Method for controlling action of bypass regulating valve of steam turbine |
-
2020
- 2020-12-28 CN CN202023211058.0U patent/CN213982231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263445A (en) * | 2022-08-09 | 2022-11-01 | 中广核工程有限公司 | Method for controlling action of bypass regulating valve of steam turbine |
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