CN208221743U - A kind of temperature controlled operated pneumatic valve - Google Patents
A kind of temperature controlled operated pneumatic valve Download PDFInfo
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- CN208221743U CN208221743U CN201820516415.8U CN201820516415U CN208221743U CN 208221743 U CN208221743 U CN 208221743U CN 201820516415 U CN201820516415 U CN 201820516415U CN 208221743 U CN208221743 U CN 208221743U
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- valve
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- fixedly connected
- plc controller
- valve seat
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Abstract
The utility model discloses a kind of temperature controlled operated pneumatic valve, 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 lower than threshold values set by temperature sensor, temperature sensor touches PLC controller, PLC controller is adjusted according to threshold value of the setup parameter to pneumatic control valve, spool is opened, starts to react；Whole control is accurate, convenient for controlling the size of input flow rate, can control reaction speed.
Description
Technical field
The utility model relates to valve technology field, specially a kind of temperature controlled operated pneumatic valve.
Background technique
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.
Utility model content
The purpose of this utility model is to provide a kind of temperature controlled operated pneumatic valves, have control accurate, convenient for control
The size of input flow rate, can control reaction speed the advantages of, solve in the prior art needed for substance number be affected by temperature
When, inconvenient the problem of adjusting its uninterrupted.
To achieve the above object, the utility model provides the following technical solutions: a kind of temperature controlled operated pneumatic valve, including
Valve body, temperature sensor and PLC controller, it is characterised in that: the valve body upper end is provided with cylinder, and the center of cylinder is provided with
Piston, the center of piston are provided with valve rod, and valve rod upper end is provided with annulus set, and annulus set is welded and fixed with valve rod, annulus set
Bottom end is welded and fixed with piston；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 work
The lower end of plug is provided with spring, and spring is fixedly connected with the piston；The lower end of the cylinder is provided with pressure-display device, and pressure is aobvious
Valve rod center in showing device is provided with push rod, and push rod right end is provided with pointer, and push rod is fixedly connected with valve rod, pointer and push rod
It is fixedly connected；Pressure tester is provided on the right side of the push rod, the right end of pressure tester is provided with pressure gauge, pointer and pressure
Power tester mechanical connection, pressure tester are fixedly connected with pressure-display device；The left end of the pressure-display device is arranged
There is temperature sensor, the upper end of temperature sensor is provided with induction contact, and the inside for incuding contact and temperature sensor connects, temperature
Degree sensor is fixedly connected with the left end of pressure-display device；The lower end of the pressure-display device is provided with support base, support
Seat is fixedly connected by bolt with pressure-display device；The lower end of the support base is provided with valve seat, and valve seat passes through bolt and branch
Support seat is fixedly connected；The center of the valve seat is provided with spool, and spool upper end is provided with adjustable column, the upper end of adjustable column and valve rod
It is fixedly connected, the lower end of adjustable column is fixedly connected with spool, and the inner wall of adjustable column and valve seat connects；The left end of the valve seat
It is provided with flow sensor, flow sensor is fixedly connected with valve seat；PLC controller, PLC control are provided on the left of the valve body
Device processed is electrically connected with temperature sensor, flow sensor；Air pump is provided on the left of the PLC controller, the left end of air pump is set
It is equipped with pneumatic control valve, pneumatic control valve is fixedly connected with the left end of air pump；The left end of the pneumatic control valve is provided with tracheae,
Air pump is connect by tracheae with the air inlet mouth of pipe of valve body upper end.
Preferably, the quantity of the spring is two, and the material of two springs, specification are all the 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 greater than the height of valve seat right end output end port.
Preferably, the pneumatic control valve is electrically connected with PLC controller.
Compared with prior art, the beneficial effects of the utility model 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 values set by temperature sensor, induction contact is connected temperature sensor by the variation of temperature, and temperature sensor touches
PLC controller, PLC controller are adjusted according to threshold value of the setup parameter to pneumatic control valve, are opened spool, are started to react；
When the flow in valve seat is more than threshold values set by flow sensor, flow sensor touches PLC controller, and then adjusts air pressure
The threshold values of control valve increases air pressure, and the air pressure in cylinder can be read by the pressure gauge on pressure-display device, the work in cylinder
Plug pushes down on, and moves downward with ovable valve stem, and the adjustable column under valve rod moves downward a certain distance, reduces valve seat output end
The cross-sectional area of port reduces the flow velocity of fluid media (medium), reduces flow, when the flow of fluid media (medium) is lower than set by flow sensor
Threshold values when, flow sensor touch PLC controller, and then adjust pneumatic control valve threshold value, reduce air pressure, valve rod is in spring
Elastic force effect under move upwards, the upward a certain distance of the adjustable column under valve rod, increase valve seat output end port cross section
Product increases the flow velocity of fluid media (medium), increases flow, and then controls reaction speed；When environment temperature reaches certain temperature, temperature
Sensor touches PLC controller movement, opens pneumatic control valve, and air pump inputs high pressure gas to cylinder, and piston pushes valve rod
It moves downward, adjustable column completely closes the output end port of valve seat, prevents substance from continuing to flow into valve body, makes reaction terminating；It is whole
Control is accurate, convenient for controlling the size of input flow rate, can control reaction speed.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the valve seat part structural schematic diagram of the utility model；
Fig. 3 is the spool partial structure diagram of the utility model；
Fig. 4 is the arrangement of temperature sensor schematic diagram of the utility model.
In figure: 1 valve body, 2 temperature sensors, 3PLC controller, 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 embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4, a kind of temperature controlled operated pneumatic valve, including valve body 1, temperature sensor 2 and PLC controller 3 are please referred to,
1 upper end of valve body is 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 6,6 upper end of valve rod
It is provided with annulus set 7, 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；The upper end of cylinder 4
It is provided with air inlet mouth of pipe 8, air inlet mouth of pipe 8 is welded and fixed with cylinder 4；The lower end of piston 5 is provided with spring 9, 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
Temperature sensor 2, the upper end of temperature sensor 2 are provided with induction contact 15, the inside company of induction contact 15 and temperature sensor 2
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 by bolt with support base 16；The center of valve seat 17 is provided with spool 18, and 18 upper end of spool is provided with adjustable column 19,
The upper end of adjustable column 19 is fixedly connected with valve rod 6, and the lower end of adjustable column 19 is fixedly connected with spool 18, adjustable column 19 and valve seat 17
Inner wall connect；The left end of valve seat 17 is provided with flow sensor 20, and flow sensor 20 is fixedly connected with valve seat 17；Valve
The left side of body 1 is provided with PLC controller 3, and PLC controller 3 is electrically connected with temperature sensor 2, flow sensor 20；PLC control
The left side of device 3 is provided with air pump 21, and the left end of air pump 21 is provided with pneumatic control valve 22, a left side for pneumatic control valve 22 and air pump 21
End is fixedly connected；The left end of pneumatic control valve 22 is provided with tracheae 23, and air pump 21 passes through the air inlet pipe of tracheae 23 and 1 upper end of valve body
Mouth 8 connects；The temperature controlled operated pneumatic valve when in use, is first arranged corresponding parameter in PLC controller 3, works as environment temperature
When lower than threshold values set by temperature sensor 2, induction contact 15 is connected temperature sensor 2, temperature sensing by the variation of temperature
Device 2 touches PLC controller 3, and PLC controller 3 is adjusted according to threshold value of the setup parameter to pneumatic control valve 22, opens spool
13, start to react；When the flow in valve seat 17 is more than threshold values set by flow sensor 20, flow sensor 20 touches PLC
Controller 3, pneumatic control valve 22 are electrically connected with PLC controller 3, and then adjust the threshold values of pneumatic control valve 22, increase air pressure, gas
Air pressure in cylinder 4 can be read by the pressure gauge 14 on pressure-display device 10, and the piston 5 in cylinder 4 pushes down on, and drives
Valve rod 6 moves downward, and the adjustable column 19 under valve rod 6 moves downward a certain distance, and the left end of valve seat 17 is input terminal, valve seat 17
Right end be output end, reduce the cross-sectional area of 17 output end port of valve seat, to reduce the flow velocity of fluid media (medium), reduce stream
Amount, when the flow of fluid media (medium) is lower than threshold values set by flow sensor 20, flow sensor 20 touches PLC controller 3, into
And the threshold value of pneumatic control valve 22 is adjusted, reduce air pressure, the quantity of spring 8 is two, and the material of two springs 9, specification are homogeneous
Together, valve rod 6 moves upwards under the elastic force effect of spring 9, and upward a certain distance of adjustable column 19 under valve rod 6 increases valve seat
The cross-sectional area of 17 output end ports increases flow to increase the flow velocity of fluid media (medium), and then controls reaction speed；Work as ring
When border temperature reaches certain temperature, temperature sensor 2 touches PLC controller 3 and acts, and opens pneumatic control valve 22, air pump 21
Cylinder 4 is given to input high pressure gas, piston 5 pushes valve rod 6 to move downward, the output end of the height of adjustable column 19 than 17 right end of valve seat
The height of port is higher, and adjustable column 19 completely closes the output end port of valve seat 17, and substance is prevented to continue to flow into valve body 1, makes anti-
It should terminate；Whole control is accurate, convenient for controlling the size of input flow rate, can control reaction speed.
In summary: when in use, corresponding parameter first is arranged in PLC controller 3 in this temperature controlled operated pneumatic valve, when
When environment temperature is lower than threshold values set by temperature sensor 2, induction contact 15 is connected temperature sensor 2 by the variation of temperature,
Temperature sensor 2 touches PLC controller 3, and PLC controller 3 is adjusted according to threshold value of the setup parameter to pneumatic control valve 22,
Spool 13 is opened, starts to react；When the flow in valve seat 17 is more than threshold values set by flow sensor 20, flow sensor 20
PLC controller 3 is touched, pneumatic control valve 22 is also electrically connected with PLC controller 3, passes through 3 programming Control air pressure control of PLC controller
The model of the shutdown of valve 22 processed, PLC controller 3 herein is not necessarily to specific to model, and then adjusts the threshold values of pneumatic control valve 22,
Increase air pressure, the air pressure in cylinder 4 can be read by the pressure gauge 14 on pressure-display device 10, and the piston 5 in cylinder 4 is downward
It pushes, and is moved downward with ovable valve stem 6, the adjustable column 19 under valve rod 6 moves downward a certain distance, and the left end of valve seat 17 is defeated
Enter end, the right end of valve seat 17 is output end, reduces the cross-sectional area of 17 output end port of valve seat, to reduce the stream of fluid media (medium)
Speed reduces flow, and when the flow of fluid media (medium) is lower than threshold values set by flow sensor 20, flow sensor 20 touches PLC
Controller 3, and then the threshold value of pneumatic control valve 22 is adjusted, reduce air pressure, the quantity of spring 8 is two, the material of two springs 9
Material, specification are all the same, and valve rod 6 moves upwards under the elastic force effect of spring 9, the adjustable column 19 valve rod 6 under it is upward it is certain away from
From, increase the cross-sectional area of 17 output end port of valve seat, thus increase the flow velocity of fluid media (medium), increase flow, and then control anti-
Answer speed；When environment temperature reaches certain temperature, temperature sensor 2 touches PLC controller 3 and acts, and makes pneumatic control valve 22
It opens, 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 is than valve seat 17
The height of the output end port of right end is higher, and adjustable column 19 completely closes the output end port of valve seat 17, prevents substance after afterflow
Enter valve body 1, makes reaction terminating；Whole control is accurate, convenient for controlling the size of input flow rate, can control reaction speed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of temperature controlled operated pneumatic valve, including valve body (1), temperature sensor (2) and PLC controller (3), feature exists
In: 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)
Have 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), 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) and cylinder (4) are welded
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 push rod (11) is fixedly connected with valve rod (6), and pointer (12) is fixedly connected with push rod (11)；
It being provided with pressure tester (13) on the right side of the push rod (11), the right end of pressure tester (13) is provided with pressure gauge (14),
Pointer (12) and pressure tester (13) are mechanically connected, and pressure tester (13) is fixedly connected with pressure-display device (10)；Institute
The left end for stating pressure-display device (10) is provided with temperature sensor (2), and the upper end of temperature sensor (2) is provided with induction contact
(15), induction contact (15) is connect with the inside of temperature sensor (2), temperature sensor (2) and pressure-display device (10)
Left end is fixedly connected；The lower end of the pressure-display device (10) is provided with support base (16), support base (16) by bolt with
Pressure-display device (10) is fixedly connected；The lower end of the support base (16) is provided with valve seat (17), and valve seat (17) passes through bolt
It is fixedly connected with support base (16)；The center of the valve seat (17) is provided with spool (18), and spool (18) upper end is provided with adjusting
The upper end of column (19), adjustable column (19) is fixedly connected with valve rod (6), and the lower end of adjustable column (19) is fixedly connected with spool (18),
Adjustable column (19) and the inner wall of valve seat (17) connect；The left end of the valve seat (17) is provided with flow sensor (20), stream
Quantity sensor (20) is fixedly connected with valve seat (17)；PLC controller (3), PLC controller are provided on the left of the valve body (1)
(3) it is electrically connected with temperature sensor (2), flow sensor (20)；Air pump (21) are provided on the left of the PLC controller (3),
The left end of air pump (21) is provided with pneumatic control valve (22), and pneumatic control valve (22) is fixedly connected with the left end of air pump (21)；Institute
The left end for stating pneumatic control valve (22) is provided with tracheae (23), and air pump (21) passes through the air inlet of tracheae (23) and valve body (1) upper end
Nozzle (8) connection.
2. a kind of temperature controlled operated pneumatic valve according to claim 1, it is characterised in that: the quantity of the spring (9)
It is two, the material of two springs (9), specification are all the same.
3. a kind of temperature controlled operated pneumatic valve according to claim 1, it is characterised in that: the left end of the valve seat (17)
For input terminal, the right end of valve seat (17) is output end.
4. a kind of temperature controlled operated pneumatic valve according to claim 1, it is characterised in that: the height of the adjustable column (19)
Degree is greater than the height of valve seat (17) right end output end port.
5. a kind of temperature controlled operated pneumatic valve according to claim 1, it is characterised in that: the pneumatic control valve (22)
It is electrically connected with PLC controller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516415.8U CN208221743U (en) | 2018-04-11 | 2018-04-11 | A kind of temperature controlled operated pneumatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516415.8U CN208221743U (en) | 2018-04-11 | 2018-04-11 | A kind of temperature controlled operated pneumatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221743U true CN208221743U (en) | 2018-12-11 |
Family
ID=64515058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820516415.8U Active CN208221743U (en) | 2018-04-11 | 2018-04-11 | A kind of temperature controlled operated pneumatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221743U (en) |
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2018
- 2018-04-11 CN CN201820516415.8U patent/CN208221743U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201201 Address after: Room 1201-1 (q), 12 / F, Liuwu building, Liuwu New District, Lhasa, Tibet Autonomous Region Patentee after: Tibet Youyang Health Technology Co., Ltd Address before: Room 3062, TEDA SME Development Center, 12 Taihua Road, Fifth Avenue, Tianjin Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: NINGXIA RISINGMARK INTELLECTUAL PROPERTY CONSULTING Co.,Ltd. |
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| TR01 | Transfer of patent right |