CN208331419U - A kind of convenient type explosion-proof electrification valve positioner - Google Patents
A kind of convenient type explosion-proof electrification valve positioner Download PDFInfo
- Publication number
- CN208331419U CN208331419U CN201820274700.3U CN201820274700U CN208331419U CN 208331419 U CN208331419 U CN 208331419U CN 201820274700 U CN201820274700 U CN 201820274700U CN 208331419 U CN208331419 U CN 208331419U
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- China
- Prior art keywords
- shell
- layer
- proof
- convenient type
- valve positioner
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Abstract
The utility model discloses a kind of convenient type explosion-proof electrification valve positioners, comprising: shell, control circuit, driving circuit, torque-motor, pneumatic amplifier and regulating valve；The shell includes upper layer and lower layer, and housing component described in upper layer and lower layer offers inside groove, and shell described in upper layer and lower layer is formed by inside and outside two layers；Explosion-proof layer is filled between inside and outside two layers of shell；Input channel and output channel are respectively equipped on the shell, the input channel is connected with the pneumatic amplifier, and throttling set and nozzle are equipped on the input channel, and the output channel is connected with the regulating valve and the pneumatic amplifier respectively；The control circuit, the driving circuit and the torque-motor are sequentially connected.By the above-mentioned means, a kind of convenient type explosion-proof electrification valve positioner of the utility model, the valve positioner just can be carried out quick assembly and disassembly without tool, there is good explosion-proof performance, suitable for there is the scene of flame proof requirement.
Description
Technical field
The utility model relates to field of optical, position more particularly, to a kind of convenient type explosion-proof electrification valve
Device.
Background technique
With the fast development of microelectronics information, the automatic controlling level of industrial process is also evolving raising, valve
The control of door will also develop towards digitlization, intelligentized control method direction.
Valve positioner is the main accessories of regulating valve, is usually matched with pneumatic control valve, it receives adjuster
Then output signal removes control pneumatic control valve with its output signal, after adjusting valve events, the displacement of valve rod is further through machine
Tool device feedback is to valve positioner, and valve position situation is transmitted to Upper system by electric signal, but universal explosion-proof performance is not high.
Utility model content
The utility model, can be fast mainly solving the technical problems that provide a kind of convenient type explosion-proof electrification valve positioner
The dismounting of speed, suitable for there is the scene of flame proof requirement.
In order to solve the above technical problems, the technical solution that the utility model uses is: a kind of convenient type explosion-proof electrification
Valve positioner, comprising: shell, control circuit, driving circuit, torque-motor, pneumatic amplifier and regulating valve, the control electricity
Road, the driving circuit, the torque-motor and the pneumatic amplifier are installed in the shell；
The shell is square, and the shell includes upper layer and lower layer, and housing component described in upper layer and lower layer offers inside groove, on
Lower two layers of shell is formed by inside and outside two layers, and inside and outside two layers of shell is U-shaped structure, inside and outside two layers of shell
Apical lateral is equipped with chimb, and the chimb lower end is equipped with connecting column, and the connecting column is equipped with inclined side, the side
The diameter of upper end is greater than the diameter of the side lower end；
Shell both sides top described in outer layer offers connecting hole, is equipped with gasket, the connecting hole on the upside of the connecting hole
Mouth is equipped with boss；
Explosion-proof layer is filled between inside and outside two layers of shell；
The every layer of shell intracorporal two chimb forms a rib in upper layer and lower layer, is cased on rib described in upper layer and lower layer
Several sliding sleeves；
It is respectively equipped with input channel and output channel on the shell, is pacified on the input channel outside the shell
Equipped with input pressure table, the input channel is connected with the pneumatic amplifier, and throttling dress is equipped on the input channel
Set and nozzle, delivery gauge be installed on the output channel outside the shell, the output channel respectively with institute
It states regulating valve to be connected with the pneumatic amplifier, the regulating valve bottom end is equipped with feedback rod, feedback rod one end installation
There is feedback transducer, the feedback transducer is located in the shell；
The control circuit, the driving circuit and the torque-motor are sequentially connected, and are equipped in the torque-motor
Electromagnetic coil and nozzle flapper, the nozzle flapper are located at the electromagnetic coil lower end, and the nozzle is located at the nozzle flapper
Lower end.
In one preferred embodiment of the utility model, the input channel be divided into behind two root canal roads in the shell with
The pneumatic amplifier is connected.
In one preferred embodiment of the utility model, the throttling set and the nozzle are located at the input channel
Between two root canal roads.
In one preferred embodiment of the utility model, the throttling set is located on the right side of the nozzle.
In one preferred embodiment of the utility model, rib described in upper layer and lower layer it is of same size.
In one preferred embodiment of the utility model, the cross section of the sliding sleeve is U-shaped.
In one preferred embodiment of the utility model, the quantity of the sliding sleeve is four.
In one preferred embodiment of the utility model, the length of the rib is equal to the length of the sliding sleeve plus described
The width of sliding sleeve.
The beneficial effects of the utility model are: a kind of convenient type explosion-proof electrification valve positioner of the utility model, the valve
Locator carrys out the aperture of control valve by the variation of output pressure, while structure is simple, can be into without tool
The quick assembly and disassembly of row, have good explosion-proof performance, suitable for there is the scene of flame proof requirement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of convenient type explosion-proof electrification valve positioner.
Fig. 2 is a kind of main view of convenient type explosion-proof electrification valve positioner shell.
Fig. 3 is a kind of top view of convenient type explosion-proof electrification valve positioner shell.
The components in the drawings are labeled as follows: 1, shell；2, control circuit；3, driving circuit；4, torque-motor；5, pneumatic
Amplifier；6, regulating valve；7, input channel；8, output channel；9, nozzle flapper；10, nozzle；11, input pressure table；12, defeated
Pressure gauge out；13, throttling set；14, electromagnetic coil；15, feedback rod；16, feedback transducer；17, inside groove；18, rib；19,
Sliding sleeve；20, explosion-proof layer；21, chimb；22, connecting column；23, connecting hole；24, boss；25, side；26, gasket.
Specific embodiment
The preferred embodiment of the utility model is described in detail below, so that the advantages of the utility model and feature energy
It is easier to be readily appreciated by one skilled in the art, to be more clearly defined the protection scope of the utility model.
According to Fig. 1 to Fig. 3, a kind of convenient type explosion-proof electrification valve positioner, comprising: shell 1, control circuit 2, driving electricity
Road 3, torque-motor 4, pneumatic amplifier 5 and regulating valve 6, the control circuit 2, the driving circuit 3, the torque-motor 4
It is installed in the shell 1 with the pneumatic amplifier 5, the shell 1 plays the role of the installation to all components.
The shell 1 is square, and the shell 1 includes upper layer and lower layer, offers inside groove between shell 1 described in upper layer and lower layer
17, the inside groove 17 is for installing various parts.
Shell 1 described in upper layer and lower layer is formed by inside and outside two layers, and explosion-proof layer is filled between inside and outside two layers of shell 1
20, the explosion-proof layer 20 is used to absorb impact force when 1 internal explosion of shell, avoids impacting the external world.
The explosion-proof layer 20 is perfluoroelastomers, and perfluoroelastomers are in addition to going back with excellent chemical resistance and heat resistance
With with homogenieity, surface do not permeate, cracks and the puzzlements such as pin hole, is resistant to up to 1600 kinds of chemicals attacks and 300 °
The high temperature of C.
The material of 1 outer layer of shell is the foamed plastics after flame retardant treatment, and foamed plastics can play the explosion-proof layer
To protective effect, avoid it by extraneous corrosion, flame retardant treatment makes foamed plastics more durable.
Inside and outside two layers of shell 1 is U-shaped structure, and inside and outside two layers of 1 apical lateral of shell is equipped with chimb 21,
21 lower end of chimb is equipped with connecting column 22, and 1 both sides top of shell described in outer layer offers connecting hole 23, on the connecting column 22
Equipped with inclined side 25, the material of the side 25 is carbon fiber.
The diameter of 25 upper end of side is greater than the diameter of 25 lower end of side, and 23 mouthfuls of the connecting hole are equipped with boss
24, the maximum gauge of the side 25 is identical as the internal diameter of the connecting hole 23, and the minimum diameter of the side 25 is less than described
The internal diameter of boss 24.
The connecting column 22 is inserted into the connecting hole 23 by external force when use, the side 25 is due to pressure at this time
Effect deformation occurs, to be inserted into the connecting hole 23 simultaneously with the connecting column 22, when the side 25 completely into
After the connecting hole 23, since the side 25 needs to restore to the original state, the side 25 is unfolded again at this time, at this time the side
25 maximum gauge is identical as the internal diameter of the connecting hole 23, and is greater than the internal diameter of the boss 24, inside and outside two layers of shell 1
Connection fastening.
Gasket 26 is equipped on the upside of the connecting hole 23, so that inside and outside two layers of shell 1 is more close when connecting.
Two chimbs 21 in upper layer and lower layer in every layer of shell 1 form a rib 18, rib described in upper layer and lower layer
18 it is of same size so that this described shell 1 is more clean and tidy, while while fixing, makes on the bilevel shell 1
The rib 18 cooperate with the sliding sleeve 19 it is even closer.
Several sliding sleeves 19 are cased on rib 18 described in upper layer and lower layer, the cross section of the sliding sleeve 19 is U-shaped, the sliding sleeve 19
For locking the rib 18 on shell 1 described in upper layer and lower layer, to play the role of fastening.
The quantity of the sliding sleeve 19 is four, and the length that the length of the rib 18 is equal to the sliding sleeve 19 adds the cunning
The width of set 19 not only increases firmness, pacifies simultaneously so that the flange 18 can be entangled by the sliding sleeve 19 completely
As long as the sliding sleeve 19 is successively inserted in the flange 18 since a side of the flange 18 when dress, installation letter
Folk prescription is just.
Input channel 7 and output channel 8 are respectively equipped on the shell 1, the input channel 7 is transferred to institute for air pressure
It states in pneumatic amplifier 5 and the nozzle 10, input pressure will be installed on the input channel 7 being located at outside the shell 1
Table 11,11 table of input pressure are used to monitor the air pressure in the input channel 7.
The input channel 7 is connected after being divided into two root canal roads in the shell 1 with the pneumatic amplifier 5, described
Throttling set 13 and nozzle 10 are installed, the throttling set 13 and the nozzle 10 are located at the input pipe on input channel 7
Between the two root canal roads in road 8, the throttling set 13 is located at 10 right side of nozzle, and the throttling set 13 is used for air pressure shape
At local contraction, so that flow velocity be made to increase.
The output channel 8 is connected with the regulating valve 6 and the pneumatic amplifier 5 respectively, and the output channel 8 is used
In will be transported in the regulating valve 6 through the amplified air pressure of the pneumatic amplifier 5.
Delivery gauge 12 is installed on the output channel 8 outside the shell 1, the delivery gauge 12 is used
Air pressure in the monitoring output channel 8.
6 bottom end of regulating valve is equipped with feedback rod 15, and described 15 one end of feedback rod is equipped with feedback transducer 16, described
Feedback transducer 16 is located in the shell 1, and the feedback transducer 16 is used to measure valve and executes the stroke after operation.
The control circuit 2, the driving circuit 3 and the torque-motor 4 are sequentially connected, and the control circuit 2 uses
The instrument current signal of 4-20mA standard.
Electromagnetic coil 14 and nozzle flapper 9 are installed, the driving circuit 3 passes through the control in the torque-motor 4
The input current signal that circuit 2 transmits makes the electromagnetic coil 14 generate magnetic force.
The nozzle flapper 9 is located at 14 lower end of electromagnetic coil, and the nozzle 10 is located at 9 lower end of nozzle flapper,
The nozzle flapper 9 is in contact with the nozzle 10, and torque-motor 4 described in the magnetic drive that the electromagnetic coil 14 generates is adjusted
Spacing between the nozzle flapper 9 and the nozzle 10 controls the pneumatic amplifier 5, passes through the pneumatic amplifier 5
The variation of output pressure is to carry out the aperture of control valve.
Compared with prior art, a kind of convenient type explosion-proof electrification valve positioner of the utility model, the valve positioner are logical
The variation of output pressure is crossed to carry out the aperture of control valve, while structure is simple, just can be carried out without tool quickly
Assembly and disassembly have good explosion-proof performance, suitable for there is the scene of flame proof requirement.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of convenient type explosion-proof electrification valve positioner characterized by comprising shell, control circuit, driving circuit, power
Square motor, pneumatic amplifier and regulating valve, the control circuit, the driving circuit, the torque-motor and described pneumatically put
Big device is installed in the shell；
The shell is square, and the shell includes upper layer and lower layer, offers inside groove between shell described in upper layer and lower layer, and upper and lower two
The layer shell is formed by inside and outside two layers, and inside and outside two layers of shell is U-shaped structure, inside and outside two layers of housing tip
Outside is equipped with chimb, and the chimb lower end is equipped with connecting column, and the connecting column is equipped with inclined side, the side upper end
Diameter be greater than the side lower end diameter；
Shell both sides top described in outer layer offers connecting hole, is equipped with gasket on the upside of the connecting hole, the connection aperture is set
There is boss；
Explosion-proof layer is filled between inside and outside two layers of shell；
The every layer of shell intracorporal two chimb forms a rib in upper layer and lower layer, is cased on rib described in upper layer and lower layer several
Sliding sleeve；
It is respectively equipped with input channel and output channel on the shell, is equipped on the input channel outside the shell
Input pressure table, the input channel are connected with the pneumatic amplifier, be equipped on the input channel throttling set and
Nozzle, is equipped with delivery gauge on the output channel outside the shell, the output channel respectively with the tune
Section valve is connected with the pneumatic amplifier, and the regulating valve bottom end is equipped with feedback rod, and described feedback rod one end is equipped with instead
Infeed sensor device, the feedback transducer are located in the shell；
The control circuit, the driving circuit and the torque-motor are sequentially connected, and are equipped with electromagnetism in the torque-motor
Coil and nozzle flapper, the nozzle flapper are located at the electromagnetic coil lower end, and the nozzle is located at the nozzle flapper lower end.
2. a kind of convenient type explosion-proof electrification valve positioner according to claim 1, which is characterized in that the input channel exists
It is connected after being divided into two root canal roads in the shell with the pneumatic amplifier.
3. a kind of convenient type explosion-proof electrification valve positioner according to claim 2, which is characterized in that the throttling set and
The nozzle is located between two root canal roads of the input channel.
4. a kind of convenient type explosion-proof electrification valve positioner according to claim 3, which is characterized in that the throttling set position
On the right side of the nozzle.
5. a kind of convenient type explosion-proof electrification valve positioner according to claim 1, which is characterized in that kept off described in upper layer and lower layer
Side it is of same size.
6. a kind of convenient type explosion-proof electrification valve positioner according to claim 1, which is characterized in that the sliding sleeve it is transversal
Face is U-shaped.
7. a kind of convenient type explosion-proof electrification valve positioner according to claim 1, which is characterized in that the quantity of the sliding sleeve
It is four.
8. a kind of convenient type explosion-proof electrification valve positioner according to claim 1, which is characterized in that the length of the rib
Equal to the width that the length of the sliding sleeve adds the sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274700.3U CN208331419U (en) | 2018-02-27 | 2018-02-27 | A kind of convenient type explosion-proof electrification valve positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274700.3U CN208331419U (en) | 2018-02-27 | 2018-02-27 | A kind of convenient type explosion-proof electrification valve positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331419U true CN208331419U (en) | 2019-01-04 |
Family
ID=64782497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820274700.3U Expired - Fee Related CN208331419U (en) | 2018-02-27 | 2018-02-27 | A kind of convenient type explosion-proof electrification valve positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826997A (en) * | 2019-03-26 | 2019-05-31 | 无锡凯尔克仪表阀门有限公司 | Throttle structure for nozzle baffle type locator |
-
2018
- 2018-02-27 CN CN201820274700.3U patent/CN208331419U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826997A (en) * | 2019-03-26 | 2019-05-31 | 无锡凯尔克仪表阀门有限公司 | Throttle structure for nozzle baffle type locator |
| CN109826997B (en) * | 2019-03-26 | 2023-09-22 | 无锡凯尔克仪表阀门有限公司 | Throttling structure for nozzle baffle type positioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |