CN108302245A - A kind of temperature controlled operated pneumatic valve and its control method - Google Patents
A kind of temperature controlled operated pneumatic valve and its control method Download PDFInfo
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- CN108302245A CN108302245A CN201810322989.6A CN201810322989A CN108302245A CN 108302245 A CN108302245 A CN 108302245A CN 201810322989 A CN201810322989 A CN 201810322989A CN 108302245 A CN108302245 A CN 108302245A
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- pressure
- plc controller
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- valve seat
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 241000486406 Trachea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of temperature controlled operated pneumatic valve and its control method, including valve body, temperature sensor and PLC controller, the valve body upper end is provided with cylinder, and the center of cylinder is provided with piston, and the center of piston is provided with valve rod；The left end of the pressure-display device is provided with temperature sensor；The center of the valve seat is provided with spool, and spool upper end is provided with adjustable column；The left end of the valve seat is provided with flow sensor；It is provided with PLC controller on the left of the valve body, air pump is provided on the left of PLC controller, the left end of air pump is provided with pneumatic control valve.This temperature controlled operated pneumatic valve is when in use, corresponding parameter first is set in PLC controller, when environment temperature is less than threshold value set by temperature sensor, temperature sensor touches PLC controller, PLC controller is adjusted the threshold value of pneumatic control valve according to setup parameter, spool is opened, starts to react；Whole control is accurate, convenient for the size of control input flow rate, can control reaction speed.
Description
Technical field
The present invention relates to valve technology field, specially a kind of temperature controlled operated pneumatic valve and its control method.
Background technology
Operated pneumatic valve is exactly the valve by compressed air-driven, can be used for controlling empty gas and water, steam, various corrosivity
The flowing of the various types fluid such as medium, mud, oil product, liquid metal and radiating medium, currently, for food processing, material
It when chemical reaction is participated in material mixing, needs to be influenced by temperature, to determine the beginning and termination of reaction, reaction speed is different, institute
Need the amount of various substances also different, this relates to the influence of the size and temperature of its flow, it is therefore desirable to a kind of temperature control
The operated pneumatic valve of system.
Invention content
The purpose of the present invention is to provide a kind of temperature controlled operated pneumatic valve and its control methods, have control accurately,
The advantages of convenient for controlling the size of input flow rate, can control reaction speed, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of temperature controlled operated pneumatic valve, including valve
Body, temperature sensor and PLC controller, the valve body upper end are provided with cylinder, and the center of cylinder is provided with piston, in piston
Centre is provided with valve rod, and valve rod upper end is provided with annulus set, and annulus set is welded and fixed with valve rod, and bottom end and the piston of annulus set weld
It is fixed；The upper end of the cylinder is provided with air inlet mouth of pipe, and air inlet mouth of pipe is welded and fixed with cylinder；The lower end of the piston is provided with
Spring, spring are fixedly connected with the piston；The lower end of the cylinder is provided with pressure-display device, the valve rod in pressure-display device
Center is provided with push rod, and push rod right end is provided with pointer, and push rod is fixedly connected with valve rod, and pointer is fixedly connected with push rod；It is described
Pressure tester is provided on the right side of push rod, the right end of pressure tester is provided with pressure gauge, pointer and pressure tester machinery
Connection, pressure tester are fixedly connected with pressure-display device；The left end of the pressure-display device is provided with temperature sensor,
The upper end of temperature sensor is provided with induction contact, and the inside for incuding contact and temperature sensor connects, temperature sensor and pressure
The left end of power display device is fixedly connected；The lower end of the pressure-display device is provided with support base, support base by bolt with
Pressure-display device is fixedly connected；The lower end of the support base is provided with valve seat, and valve seat is fixedly connected by bolt with support base；
The center of the valve seat is provided with spool, and spool upper end is provided with adjustable column, and the upper end of adjustable column is fixedly connected with valve rod, adjusts
The lower end of column is fixedly connected with spool, and the inner wall of adjustable column and valve seat connects；The left end of the valve seat is provided with flow biography
Sensor, flow sensor are fixedly connected with valve seat；PLC controller is provided on the left of the valve body, PLC controller is passed with temperature
Sensor, flow sensor electrical connection；Air pump is provided on the left of the PLC controller, the left end of air pump is provided with pressure control
Valve, pneumatic control valve are fixedly connected with the left end of air pump；The left end of the pneumatic control valve is provided with tracheae, and air pump passes through tracheae
It is connect with the air inlet mouth of pipe of valve body upper end.
Preferably, the quantity of the spring is two, the material of two springs, specification all same.
Preferably, the left end of the valve seat is input terminal, and the right end of valve seat is output end.
Preferably, the height of the adjustable column is more than the height of valve seat right end output end port.
Preferably, the pneumatic control valve is electrically connected with PLC controller.
The present invention provides another technical solution and is to provide a kind of control method of temperature controlled operated pneumatic valve, including with
Lower step：
S1：Corresponding parameter is set in PLC controller, adjusts the threshold value of temperature sensor, flow sensor；
S2：PLC controller is touched by temperature sensor, PLC controller is according to setup parameter to the threshold of pneumatic control valve
Value is adjusted, and opens spool；
S3：When the flow in valve seat is less than or when more than threshold value set by flow sensor, flow sensor touches PLC controls
Device processed, and then the threshold value of pneumatic control valve is adjusted, adjust the height where adjustable column；
S4：When environment temperature reaches set temperature, temperature sensor touches PLC controller action, makes pneumatic control valve
It opens, closes spool, reaction terminating.
Preferably, when the flow in the valve seat is more than the threshold values set by flow sensor, flow sensor touches PLC controls
Device processed, and then the threshold values of pneumatic control valve is adjusted, increase air pressure, the air pressure in cylinder can pass through the pressure on pressure-display device
Table is read, and the piston in cylinder pushes down on, and is moved downward with ovable valve stem；Adjustable column under valve rod move downward it is certain away from
From the cross-sectional area of reduction valve seat output end port reduces flow to reduce the flow velocity of fluid media (medium)；When fluid media (medium)
When flow is less than the threshold values set by flow sensor, flow sensor touches PLC controller, and then adjusts the threshold of pneumatic control valve
Value reduces air pressure, and valve rod moves upwards under the elastic force effect of spring, and the upward a certain distance of the adjustable column under valve rod increases
The cross-sectional area of valve seat output end port increases flow to increase the flow velocity of fluid media (medium).
Compared with prior art, the beneficial effects of the invention are as follows：
When in use, corresponding parameter first is arranged in PLC controller, when environment temperature is low in this temperature controlled operated pneumatic valve
When threshold value set by temperature sensor, induction contact is changed by temperature, connects temperature sensor, and temperature sensor touches
PLC controller, PLC controller are adjusted the threshold value of pneumatic control valve according to setup parameter, open spool, start to react；
When the flow in valve seat be more than flow sensor set by threshold value when, flow sensor touch PLC controller, and then adjust air pressure
The threshold value of control valve increases air pressure, and the piston in cylinder pushes down on, and is moved downward with ovable valve stem, the adjustable column under valve rod
A certain distance is moved downward, the cross-sectional area of valve seat output end port is reduced, reduces the flow velocity of fluid media (medium), reduces flow,
When the flow of fluid media (medium) is less than threshold value set by flow sensor, flow sensor touches PLC controller, and then adjusts gas
The threshold value of pressure control valve reduces air pressure, and valve rod moves upwards under the elastic force effect of spring, and the adjustable column under valve rod is certain upwards
Distance, increase the cross-sectional area of valve seat output end port, increase the flow velocity of fluid media (medium), increase flow, and then control reaction
Speed；When environment temperature reaches certain temperature, temperature sensor touches PLC controller action, so that pneumatic control valve is opened, gas
It pumps and inputs high pressure gas to cylinder, piston pushes valve rod to move downward, and adjustable column completely closes the output end port of valve seat, prevents
Substance continues to flow into valve body, makes reaction terminating；Whole control is accurate, convenient for the size of control input flow rate, can control reaction fast
Slowly.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the valve seat part structural schematic diagram of the present invention；
Fig. 3 is the spool part-structure schematic diagram of the present invention；
Fig. 4 is the arrangement of temperature sensor schematic diagram of the present invention.
In figure：1 valve body, 2 temperature sensors, 3PLC controllers, 4 cylinders, 5 pistons, 6 valve rods, 7 annulus sets, 8 air inlet pipe
Mouth, 9 springs, 10 pressure-display devices, 11 push rods, 12 pointers, 13 pressure testers, 14 pressure gauges, 15 induction contacts, 16 supports
Seat, 17 valve seats, 18 spools, 19 adjustable columns, 20 flow sensors, 21 air pumps, 22 pneumatic control valves, 23 tracheaes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment：
In the embodiment of the present invention：A kind of temperature controlled operated pneumatic valve, including valve body 1, temperature sensor 2 and PLC controls
Device 3,1 upper end of valve body are provided with cylinder 4, and the center of cylinder 4 is provided with piston 5, and the center of piston 5 is provided with valve rod 6, valve rod 6
Upper end is provided with annulus set 7, and annulus set 7 is welded and fixed with valve rod 6, and the bottom end of annulus set 7 is welded and fixed with piston 5；Cylinder 4
Upper end is provided with air inlet mouth of pipe 8, and air inlet mouth of pipe 8 is welded and fixed with cylinder 4；The lower end of piston 5 is provided with spring 9, the number of spring 9
Amount is two, the material of two springs, specification all same, and the cylinder 4 at both ends in valve body 1 is made to keep balance；Spring 9 and piston 5
It is fixedly connected；The lower end of cylinder 4 is provided with pressure-display device 10, and 6 center of valve rod in pressure-display device 10, which is provided with, to push away
Bar 11,11 right end of push rod are provided with pointer 12, and push rod 11 is fixedly connected with valve rod 6, and pointer 12 is fixedly connected with push rod 11；Push rod
11 right side is provided with pressure tester 13, and the right end of pressure tester 13 is provided with pressure gauge 14, pointer 12 and pressure test
Device 13 is mechanically connected, and pressure tester 13 is fixedly connected with pressure-display device 10；The left end of pressure-display device 10 is provided with
The upper end of temperature sensor 2, temperature sensor 2 is provided with induction contact 15, and induction contact 15 and the inside of temperature sensor 2 connect
It connects, temperature sensor 2 is fixedly connected with the left end of pressure-display device 10；The lower end of pressure-display device 10 is provided with support base
16, support base 16 is fixedly connected by bolt with pressure-display device 10；The lower end of support base 16 is provided with valve seat 17, valve seat 17
It is fixedly connected with support base 16 by bolt, the left end of valve seat 17 is input terminal, and the right end of valve seat 17 is output end, and it is convenient to have
Identification and operation；The center of valve seat 17 is provided with spool 18, and 18 upper end of spool is provided with adjustable column 19, the height ratio of adjustable column 19
The height of 17 right end output end port of valve seat is high, and the upper end of adjustable column 19 is fixedly connected with valve rod 6, the lower end of adjustable column 19 and valve
Core 18 is fixedly connected, and adjustable column 19 and the inner wall of valve seat 17 connect；The left end of valve seat 17 is provided with flow sensor 20, stream
Quantity sensor 20 is fixedly connected with valve seat 17；The left side of valve body 1 is provided with PLC controller 3, PLC controller 3 and temperature sensor
2, flow sensor 20 is electrically connected；The left side of PLC controller 3 is provided with air pump 21, and the left end of air pump 21 is provided with pressure control
Valve 22, pneumatic control valve 22 are fixedly connected with the left end of air pump 21；The left end of pneumatic control valve 22 is provided with tracheae 23, air pump 21
It is connect with the air inlet mouth of pipe 8 of 1 upper end of valve body by tracheae 23；Pneumatic control valve 22 is also electrically connected with PLC controller 3, passes through PLC
The model of the shutdown of 3 programming Control pneumatic control valve 22 of controller, PLC controller 3 herein is not necessarily to specific to model, PLC controls
Device 3 processed has the shutdown of controllable pneumatic control valve 22.
In order to preferably show the specific control flow of temperature controlled operated pneumatic valve, the present embodiment is directed to a kind of temperature control
The control method of the operated pneumatic valve of system, includes the following steps：
The first step：Corresponding parameter is set in PLC controller 3, adjusts the threshold of temperature sensor 2, flow sensor 20
Value；
Second step：PLC controller 3 is touched by temperature sensor 2, PLC controller 3 is according to setup parameter to pressure control
The threshold value of valve 22 is adjusted, and opens spool 18；
Third walks：When the flow in valve seat 17 is less than or when more than threshold value set by flow sensor 2, flow sensor 2
PLC controller 3 is touched, and then adjusts the threshold value of pneumatic control valve 22, the height where adjustment adjustable column 19；
4th step：When environment temperature reaches set temperature, temperature sensor 2 touches PLC controller 3 and acts, and makes air pressure
Control valve 22 is opened, and spool 18, reaction terminating are closed.
Operation principle：A kind of temperature controlled operated pneumatic valve provided by the invention and its control method, in PLC controller 3
Corresponding parameter is set, the threshold value of temperature sensor 2, flow sensor 20 is adjusted；Induction contact 15 is changed by temperature, is connect
Logical temperature sensor 2, temperature sensor 2 touch PLC controller 3, and PLC controller 3 is according to setup parameter to pneumatic control valve 22
Threshold value be adjusted, open spool 18；When the flow in valve seat 17 be more than flow sensor 20 set by threshold value when, flow pass
Sensor 20 touches PLC controller 3, and pneumatic control valve 22 is electrically connected with PLC controller 3, and then adjusts the threshold of pneumatic control valve 22
Value increases air pressure, and the air pressure in cylinder 4 can be read by the pressure gauge 14 on pressure-display device 10, the piston 5 in cylinder 4
It pushes down on, and is moved downward with ovable valve stem 6, the adjustable column 19 under valve rod 6 moves downward a certain distance, the left end of valve seat 17
Right end for input terminal, valve seat 17 is output end, reduces the cross-sectional area of 17 output end port of valve seat, to reduce fluid media (medium)
Flow velocity, reduce flow, when the flow of fluid media (medium) is less than threshold value set by flow sensor 20, flow sensor 20 touches
PLC controller 3, and then adjust the threshold value of pneumatic control valve 22, reduces air pressure, and the quantity of spring 8 is two, two springs 9
Material, specification all same, valve rod 6 move upwards under the elastic force effect of spring 9, and the adjustable column 19 under valve rod 6 is certain upwards
Distance increases the cross-sectional area of 17 output end port of valve seat, to increase the flow velocity of fluid media (medium), increases flow, and then control
React speed；When environment temperature reaches set temperature, temperature sensor 2 touches PLC controller 3 and acts, and makes pneumatic control valve
22 open, and air pump 21 inputs high pressure gas to cylinder 4, and piston 5 pushes valve rod 6 to move downward, and the height of adjustable column 19 compares valve seat
The height higher of the output end port of 17 right ends, adjustable column 19 completely close the output end port of valve seat 17, and substance is prevented to continue
Valve body 1 is flowed into, reaction terminating is made.
In summary：A kind of temperature controlled operated pneumatic valve provided by the invention and its control method, whole control is accurate,
Convenient for controlling the size of input flow rate, reaction speed can control.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of temperature controlled operated pneumatic valve, which is characterized in that including valve body (1), temperature sensor (2) and PLC controller
(3)；Valve body (1) upper end is provided with cylinder (4), and the center of cylinder (4) is provided with piston (5), the center setting of piston (5)
There are valve rod (6), valve rod (6) upper end to be provided with annulus set (7), annulus set (7) is welded and fixed with valve rod (6), the bottom of annulus set (7)
End is welded and fixed with piston (5)；The upper end of the cylinder (4) is provided with air inlet mouth of pipe (8), and air inlet mouth of pipe (8) is welded with cylinder (4)
Connect fixation；The lower end of the piston (5) is provided with spring (9), and spring (9) is fixedly connected with piston (5)；The cylinder (4)
Lower end is provided with pressure-display device (10), and valve rod (6) center in pressure-display device (10) is provided with push rod (11), push rod
(11) right end is provided with pointer (12), and pointer (12) is fixedly connected with push rod (11)；It is provided with pressure on the right side of the push rod (11)
The right end of power tester (13), pressure tester (13) is provided with pressure gauge (14), pointer (12) and pressure tester (13) machine
Tool connects, and pressure tester (13) is fixedly connected with pressure-display device (10)；The left end of the pressure-display device (10) is set
It is equipped with temperature sensor (2), the upper end of temperature sensor (2) is provided with induction contact (15), and induction contact (15) is passed with temperature
Connection, temperature sensor (2) are fixedly connected with the left end of pressure-display device (10) inside sensor (2)；The pressure display dress
The lower end for setting (10) is provided with support base (16), and support base (16) is fixedly connected by bolt with pressure-display device (10)；Institute
The lower end for stating support base (16) is provided with valve seat (17), and valve seat (17) is fixedly connected by bolt with support base (16)；The valve
The center of seat (17) is provided with spool (18), and spool (18) upper end is provided with adjustable column (19), the upper end of adjustable column (19) and valve
Bar (6) is fixedly connected, and the lower end of adjustable column (19) is fixedly connected with spool (18), and adjustable column (19) and the inner wall of valve seat (17) connect
Touch connection；The left end of the valve seat (17) is provided with flow sensor (20), flow sensor (20) and the fixed company of valve seat (17)
It connects；PLC controller (3), PLC controller (3) and temperature sensor (2), flow sensor are provided on the left of the valve body (1)
(20) it is electrically connected；Air pump (21) is provided on the left of the PLC controller (3), the left end of air pump (21) is provided with pressure control
Valve (22), pneumatic control valve (22) are fixedly connected with the left end of air pump (21)；The left end of the pneumatic control valve (22) is provided with
Tracheae (23), air pump (21) are connect by tracheae (23) with the air inlet mouth of pipe (8) of valve body (1) upper end.
2. a kind of temperature controlled operated pneumatic valve as described in claim 1, it is characterised in that：The quantity of the spring (9) is
Two, the material of two springs (9), specification all same.
3. a kind of temperature controlled operated pneumatic valve as described in claim 1, it is characterised in that：The left end of the valve seat (17) is
The right end of input terminal, valve seat (17) is output end.
4. a kind of temperature controlled operated pneumatic valve as described in claim 1, it is characterised in that：The height of the adjustable column (19)
More than the height of valve seat (17) right end output end port.
5. a kind of temperature controlled operated pneumatic valve as described in claim 1, it is characterised in that：The pneumatic control valve (22) with
PLC controller (3) is electrically connected.
6. a kind of control method of temperature controlled operated pneumatic valve as described in claim 1, which is characterized in that including following step
Suddenly：
S1：Corresponding parameter is set in PLC controller (3), adjusts the threshold value of temperature sensor (2), flow sensor (20)；
S2：PLC controller (3) is touched by temperature sensor (2), PLC controller (3) is according to setup parameter to pneumatic control valve
(22) threshold value is adjusted, and opens spool (18)；
S3：When the flow in valve seat (17) is less than or is more than the threshold value set by flow sensor (2), flow sensor (2) touches
Dynamic PLC controller (3), and then the threshold value of pneumatic control valve (22) is adjusted, the height where adjustment adjustable column (19)；
S4：When environment temperature reaches set temperature, temperature sensor (2) touches PLC controller (3) and acts, and makes pressure control
Valve (22) is opened, and spool (18), reaction terminating are closed.
7. a kind of control method of temperature controlled operated pneumatic valve as claimed in claim 6, it is characterised in that：The valve seat
(17) when the flow in is more than the threshold values set by flow sensor (20), flow sensor (20) touches PLC controller (3), into
And the threshold values of pneumatic control valve (22) is adjusted, increase air pressure, the air pressure in cylinder (4) can be by pressure-display device (10)
Pressure gauge (14) is read, and the piston (5) in cylinder (4) pushes down on, and is moved downward with ovable valve stem (6)；Tune under valve rod (6)
Segmented column (19) moves downward a certain distance, reduces the cross-sectional area of valve seat (17) output end port, to reduce fluid media (medium)
Flow velocity, reduce flow；When the flow of fluid media (medium) is less than threshold values set by flow sensor (20), flow sensor (20)
PLC controller (3) is touched, and then adjusts the threshold value of pneumatic control valve (22), reduces air pressure, elastic force of the valve rod (6) in spring (9)
It is moved upwards under effect, adjustable column (19) upward a certain distance under valve rod (6), increases the cross of valve seat (17) output end port
Sectional area increases flow to increase the flow velocity of fluid media (medium).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322989.6A CN108302245A (en) | 2018-04-11 | 2018-04-11 | A kind of temperature controlled operated pneumatic valve and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322989.6A CN108302245A (en) | 2018-04-11 | 2018-04-11 | A kind of temperature controlled operated pneumatic valve and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302245A true CN108302245A (en) | 2018-07-20 |
Family
ID=62847254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810322989.6A Pending CN108302245A (en) | 2018-04-11 | 2018-04-11 | A kind of temperature controlled operated pneumatic valve and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302245A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027308A (en) * | 2018-09-18 | 2018-12-18 | 江西风石压缩机有限公司 | A kind of thermostat valve moved towards for adjusting oil circuit |
| CN112682006A (en) * | 2020-12-30 | 2021-04-20 | 陆国平 | Intelligent mud anti-splash valve for petroleum drilling |
| CN114713009A (en) * | 2022-03-10 | 2022-07-08 | 中氢新能(北京)新能源技术研究院有限公司 | Purifier of methanol catalytic reforming hydrogen production device |
-
2018
- 2018-04-11 CN CN201810322989.6A patent/CN108302245A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027308A (en) * | 2018-09-18 | 2018-12-18 | 江西风石压缩机有限公司 | A kind of thermostat valve moved towards for adjusting oil circuit |
| CN112682006A (en) * | 2020-12-30 | 2021-04-20 | 陆国平 | Intelligent mud anti-splash valve for petroleum drilling |
| CN112682006B (en) * | 2020-12-30 | 2022-07-08 | 牡丹江鑫北方石油钻具有限责任公司 | Intelligent mud anti-splash valve for petroleum drilling |
| CN114713009A (en) * | 2022-03-10 | 2022-07-08 | 中氢新能(北京)新能源技术研究院有限公司 | Purifier of methanol catalytic reforming hydrogen production device |
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