CN206802421U - A kind of Multistage Control valve arrangement - Google Patents
A kind of Multistage Control valve arrangement Download PDFInfo
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- CN206802421U CN206802421U CN201720587163.3U CN201720587163U CN206802421U CN 206802421 U CN206802421 U CN 206802421U CN 201720587163 U CN201720587163 U CN 201720587163U CN 206802421 U CN206802421 U CN 206802421U
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Abstract
The utility model provides a kind of Multistage Control valve arrangement, is related to valve technology field.It includes valve body, one-level valve element, two level valve element, motor and the controller electrically connected with motor, body cavity is divided into upstream cavity and downstream cavity by two level valve element, valve body is provided with sampling pipe, sampling pipe is serially connected with sampling sensor, sampling sensor is electrically connected with the controller, upstream cavity and downstream cavity are respectively equipped with the sampled upstream hole and sampled downstream hole of insertion body wall, and sampling pipe is connected by sampled upstream hole and sampled downstream hole with upstream cavity and downstream cavity respectively.The utility model solve in the prior art air differential pressure formula Multistage Control valve element mechanical parts loss reduce overall life of valve greatly, use the big technical problem of power consumption.The utility model has the beneficial effect that：The fault rate of the loss of valve element mechanical parts and motor is reduced, extends overall valve service life, reduces motor power consumption, reduces use cost.Control software simple general-purpose is good, easy to maintenance.
Description
Technical field
Valve technology field is the utility model is related to, more particularly, to a kind of structure of air differential pressure formula multilevel control valve.
Background technology
Using very universal in pipeline, it serves out in fluid system, breaks, adjusted valve.Gas control valve is main
It is made up of valve body, motor, valve element and controller.After controller receives valve opening or closes the instruction of valve, controller is sent accordingly
Signal, make motor driven valve element, perform switch valve events, realize gas break-make.For disposable opening valve, work as gas differential pressure
When very big, the power acted on valve element is also corresponding very big.In order to which valve opening is successful, now motor needs to consume bigger energy.This
Sample, the fault rate of motor can also improve.Chinese patent Authorization Notice No. CN203322303U, authorized announcement date December 4 in 2013
Day, the utility model patent of entitled " the multistage valve opening structure driven by reducing motor ", is a kind of to be proposed for the problem
Two level valve opening structure.It includes the reducing motor that valve body, valve element and driving valve element form valve break-make；Valve body is provided with insertion valve body two
The circular valve pocket at end, reducing motor are fixed in valve pocket；Valve element is two-layer configuration, including one-level valve element and two level valve element；Two level
The end face of valve element is provided with secondary seal circle, and can be made up of and be tightly connected the secondary seal circle and valve pocket exit side wall；Two
Axis hole is provided with the middle part of level valve element, the side wall of axis hole is provided with several vias；One end of one-level valve element is provided with threaded hole, the other end is set
Have and form the multi-diameter shaft being slidably matched with axis hole, drive screw, the free end of drive screw and reducing motor are provided with threaded hole
Output shaft forms drive connection, and the cascaded surface of multi-diameter shaft, which is provided with, can seal the primary seal circle for hiding via；Multi-diameter shaft passes through axis hole,
And limitation stopping means of the two level poppet shaft to sliding distance is provided with shaft end.The structure simply solves disposable opening valve
Existing subproblem.Pressure size in pipe-line system is continually changing, and the power that valve needs to overcome is sealed during valve opening
It is and uncertain.Each valve opening, although one-level jam pot cover has already turned on, it is very big that two level valve opening can also be likely to require resistance
Pressure, so, the losses of two level valve element mechanical parts can be very big, can reduce the life-span of overall valve.In addition, different bore specifications
And identical bore specification is applied in different occasions, the control software of control valve switch is also different, this to production, using and
Maintenance brings very big inconvenience.
Utility model content
In order to solve in the prior art air differential pressure formula Multistage Control valve element mechanical parts loss reduce overall life of valve greatly,
Using the big technical problem of power consumption, the utility model provides a kind of overall valve service life of extension, and reduction uses power consumption, controlled
The good Multistage Control valve arrangement of software simple general-purpose.
The technical solution of the utility model is：A kind of Multistage Control valve arrangement, it includes valve body, two level valve element and two level
One-level valve element, the motor being connected with one-level valve element and the controller electrically connected with motor of valve element connection, two level valve element is by valve body
Inner chamber is divided into upstream cavity and downstream cavity, and valve body is provided with sampling pipe, and sampling pipe is serially connected with sampling sensor, sampling sensor and control
Device electrical connection processed, upstream cavity and downstream cavity are respectively equipped with the sampled upstream hole and sampled downstream hole of insertion body wall, sampling pipe
Connected respectively by sampled upstream hole and sampled downstream hole with upstream cavity and downstream cavity.Ensure that two level valve element opens the pressure born
Less than design code pressure, the loss of valve element mechanical parts is reduced, extends overall valve service life, while reduce motor power consumption,
Reduce use cost.A kind of control software can apply the valve in different bore specifications or identical bore specification difference use occasion
Door, control software simple general-purpose is good, easy to maintenance, reduces manufacturing cost and use cost.
Preferably, sampling sensor is differential pressure pick-up；It is simple to operate, it is easy to use.
The technical scheme can also use following structure：Sampled upstream hole is sealedly connected with upstream pressure sensor, downstream
Thieff hatch is sealedly connected with downstream pressure sensor, and upstream pressure sensor and downstream pressure sensor are electrically connected with controller respectively
Connect.
Compared with prior art, the beneficial effects of the utility model are：The resistance that valve element is subject to during valve opening is small, subtracts
Few valve element mechanical parts loss and the fault rate of motor, extend overall valve service life, while reduce motor power consumption, and reduction makes
Use cost.Control software simple general-purpose is good, reduces manufacturing cost；Easy to maintenance, use cost is low.
Brief description of the drawings
Accompanying drawing 1 is the utility model connection diagram；
Accompanying drawing 2 is the connection diagram of another embodiment of the utility model.
In figure：1- valve bodies；2- motors；3- one-level valve elements；4- two level valve elements；5- sampling sensors；6- sampling pipes；7- downstreams
Pressure sensor；8- upstream pressure sensors；11- upstream cavities；12- downstream cavities；13- sampled downstreams hole；14- sampled upstreams hole.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment 1：
As shown in figure 1, a kind of Multistage Control valve arrangement, it includes valve body 1, motor 2, one-level valve element 3, two level valve element 4, control
Device processed（Do not show in figure）.Valve body 1 is cavity body structure.In the cavity of valve body 1：One-level valve element 3 and the 4 switchable connection of two level valve element, one
Level valve element 3 is connected with motor 2, and body cavity is divided into upstream cavity 11 and downstream cavity 12 by two level valve element 4.Motor 2 and controller
Electrical connection.Upstream cavity 11 is provided with sampled upstream hole 14.Sampled upstream hole 14 penetrates the side wall of valve body 1.Downstream cavity 12 is adopted provided with downstream
Sample hole 13.Sampled downstream hole 13 penetrates the side wall of valve body 1.Valve body 1 is provided with sampling pipe 6.Sampling pipe 6 passes through sampled upstream hole 14 respectively
Connected with sampled downstream hole 13 with upstream cavity 11 and downstream cavity 12.Sampled downstream hole 13 and upstream are inserted in the both ends of sampling pipe 6 respectively
Thieff hatch 14 and sealing.Sampling pipe 6 is serially connected with sampling sensor 5.Sampling sensor 5 is differential pressure pick-up.Differential pressure pick-up
Arrival end is connected by sampling pipe 6 with upstream cavity 11, and the port of export of differential pressure pick-up is connected by sampling pipe 6 with downstream cavity 12.
Sampling sensor 5 is electrically connected with the controller.During valve opening, controller is first turned on one-level valve element 3, and monitoring differential pressure pick-up provides
Pressure difference：When this pressure difference is less than the pressure value of the valve opening of two level valve element 4 of design code, controller starts motor 2 and opens two level valve element
4, complete valve opening；When this pressure difference is more than the pressure value of the valve opening of two level valve element 4 of design code, controller is failure to actuate, and waits pipeline
Interior pressure difference is less than the pressure value of the valve opening of two level valve element 4 of design code, and controller reoperates and realizes valve opening.
Embodiment 2：
As shown in Fig. 2 sampled upstream hole 14 is sealedly connected with upstream pressure sensor 8.In the insertion of upstream pressure sensor 8
Swim thieff hatch 14 and seal, upstream pressure sensor 8 and the inwall of upstream cavity 11 are into the same face.Upstream pressure sensor 8 and control
Device electrically connects.Sampled downstream hole 13 is sealedly connected with downstream pressure sensor 7.Downstream pressure sensor 7 inserts sampled downstream hole
13 and seal, downstream pressure sensor 7 and the inwall of downstream cavity 12 are into the same face.Downstream pressure sensor 7 is electrically connected with the controller.
During valve opening, controller is first turned on one-level valve element 3, calculates the pressure difference of upstream pressure sensor 8 and downstream pressure sensor 7：When
This pressure difference is less than the pressure value of the valve opening of two level valve element 4 of design code, and controller starts motor 2 and opens two level valve element 4, completes out
Valve；When this pressure difference is more than the pressure value of the valve opening of two level valve element 4 of design code, controller is failure to actuate, and waits pressure difference in pipeline small
In the pressure value of the valve opening of two level valve element 4 of design code, controller reoperates and realizes valve opening.
Claims (3)
1. a kind of Multistage Control valve arrangement, it includes valve body（1）, two level valve element（4）And two level valve element（4）The one-step valve of connection
Core（3）And one-level valve element（3）The motor of connection（2）With with motor（2）The controller of electrical connection, the two level valve element（4）By valve
Intracoelomic cavity is divided into upstream cavity（11）And downstream cavity（12）, it is characterised in that：The valve body（1）Provided with sampling pipe（6）, sampling pipe
（6）It is serially connected with sampling sensor（5）, sampling sensor（5）Electrically connected with the controller, the upstream cavity（11）And downstream cavity
（12）It is respectively equipped with insertion valve body（1）The sampled upstream hole of side wall（14）With sampled downstream hole（13）, the sampling pipe（6）Respectively
Pass through sampled upstream hole（14）With sampled downstream hole（13）With upstream cavity（11）And downstream cavity（12）Connection.
A kind of 2. Multistage Control valve arrangement according to claim 1, it is characterised in that：The sampling sensor（5）For difference
Pressure sensor.
A kind of 3. Multistage Control valve arrangement according to claim 1, it is characterised in that：The sampled upstream hole（14）Sealing
It is connected with upstream pressure sensor（8）, sampled downstream hole（13）It is sealedly connected with downstream pressure sensor（7）, the upstream pressure
Force snesor（8）And downstream pressure sensor（7）It is electrically connected with the controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587163.3U CN206802421U (en) | 2017-05-24 | 2017-05-24 | A kind of Multistage Control valve arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587163.3U CN206802421U (en) | 2017-05-24 | 2017-05-24 | A kind of Multistage Control valve arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802421U true CN206802421U (en) | 2017-12-26 |
Family
ID=60742689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587163.3U Active CN206802421U (en) | 2017-05-24 | 2017-05-24 | A kind of Multistage Control valve arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802421U (en) |
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2017
- 2017-05-24 CN CN201720587163.3U patent/CN206802421U/en active Active
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