CN207333905U - A kind of partial pressure liquid limit regulating valve - Google Patents
A kind of partial pressure liquid limit regulating valve Download PDFInfo
- Publication number
- CN207333905U CN207333905U CN201721448761.9U CN201721448761U CN207333905U CN 207333905 U CN207333905 U CN 207333905U CN 201721448761 U CN201721448761 U CN 201721448761U CN 207333905 U CN207333905 U CN 207333905U
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- Prior art keywords
- pressure
- pressure sensor
- partial pressure
- control centre
- valve
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- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 3
- 230000009123 feedback regulation Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model belongs to regulating valve technical field, to solve existing adjusting pressure regulating valve not in time, it is impossible to the technical problem of prevention pressure hazard in time, there is provided a kind of partial pressure liquid limit regulating valve, including adjust valve body and looped system；Looped system includes first pressure sensor, second pressure sensor and control centre；Control centre is connected with first pressure sensor, second pressure sensor；Adjusting valve body includes partial pressure flow-limiting valve and press feedback device；Control centre is connected with partial pressure flow-limiting valve；Press feedback device includes U-shaped fluid-through tube；The top of U-shaped fluid-through tube is equipped with elastic device, and elastic device includes pressure block, convex block and cavity, first pressure sensor and the first spring with first pressure sensor contacts are equipped with cavity；Cavity is equipped with second pressure sensor and the second spring with second pressure sensor contacts；The left and right sides of convex block is in contact with the first spring and second spring respectively；Pressure block is slidably connected with U-shaped fluid-through tube.
Description
Technical field
The utility model belongs to regulating valve technical field, and in particular to a kind of partial pressure liquid limit regulating valve.
Background technology
Regulating valve also known as control valve, in industrial automation process control field, are exported by receiving regulation unit
Control signal, go to change the final control element of rate-of flow, pressure, temperature, the technological parameter such as liquid level by power operation.
Generally it is made of executing agency and valve.If pressing stroke feature, regulating valve can be divided into Direct Travel and angle stroke；Match somebody with somebody by it and hold
The power that row mechanism uses, can be divided into pneumatic control valve, electric control valve, three kinds of hydraulic adjusting valve；By its function and characteristic
It is divided into three kinds of linear characteristic, equal percentage characteristics and parabolic characteristic.Regulating valve is suitable for empty gas and water, steam, various corrosivity
The media such as medium, mud, oil product.English name：Control valve, position number usually FV beginnings.Regulating valve common classification：Pneumatically
Regulating valve, electric control valve, hydraulic adjusting valve, direct-operated regulator.
Although existing regulating valve also can to a certain extent, pressure and flow in adjusting pipeline etc., it is adjusted
Relatively lag behind, generally require artificial monitoring in real time and control, can not be adjusted in time when there is pipeline pressure Traffic Anomaly,
So as to easily occur being forced the situation for closing down equipment.
Utility model content
The purpose of this utility model is that technical problem existing in the prior art more than solving, there is provided a kind of to adjust in time
Section, the partial pressure liquid limit regulating valve of shunt conduit pressure.
The purpose of this utility model is achieved through the following technical solutions：
A kind of partial pressure liquid limit regulating valve, including adjust valve body and looped system；The looped system includes
First pressure sensor, second pressure sensor and control centre；The control centre respectively with first pressure sensor and
Two pressure sensors connect；The pressure for adjusting valve body and including partial pressure flow-limiting valve and being connected by pipeline with partial pressure flow-limiting valve
Feedback device；The partial pressure flow-limiting valve includes executing agency, and the control centre is connected with the executing agency of partial pressure flow-limiting valve；Institute
State the U-shaped fluid-through tube that press feedback device includes being connected with the pipeline sidepiece；The top of the U-shaped fluid-through tube is equipped with elasticity and fills
Put, the elastic device includes pressure block, the convex block arranged on pressure block top and the cavity for accommodating convex block, in the cavity
Left side is equipped with first pressure sensor and the first spring with first pressure sensor contacts；The is equipped with the right side of the cavity
Two pressure sensors and the second spring with second pressure sensor contacts；The left and right sides of convex block respectively with the first spring and
Two spring interfaces touch；The pressure block is located in U-shaped fluid-through tube and is slidably connected with U-shaped fluid-through tube.
Further, the executing agency of the partial pressure flow-limiting valve includes valve body, the electromagnetic coil arranged on body top and company
Bar；The top of the connecting rod is equipped with magnet, and the magnet passes through magnetic field interaction, the electromagnetic coil and control with electromagnetic coil
Center processed connection, the bottom of the connecting rod are equipped with piston, and the piston is equipped with throttling element, the throttling element be surrounded by and
The sealing ring of valve seal connection；The upside of the valve body is equipped with the first liquid outlet, and the downside of the valve body is equipped with the second liquid
Body exports, and the top of the piston is tightly connected with the first liquid outlet；Sealing ring on the throttling element goes out with second liquid
Mouth is tightly connected.
Further, the looped system further includes warning device, and the warning device is connected with control centre.
Further, warning device includes buzzer, and the buzzer is connected with control centre.
Further, the throttling element is with mushy honeycomb structure.
The utility model is relative to the beneficial effect of the prior art：The partial pressure liquid limit regulating valve of the utility model, passes through
The pressure value that looped system reaches control centre according to first pressure sensor and second pressure sensor in real time makes the difference, root
According to both pressure difference values, the current direction of electromagnetic coil is controlled with the up and down of controls connecting rod by control centre, so that
Play the role of current limliting partial pressure.When manifold pressure increases suddenly, control centre above carries connecting rod according to the pressure value of feedback
To seal the first liquid outlet, so that the liquid in pipeline can only flow into reflux line circulation from the honeycomb of throttling element,
Avoid the increase of the pressure for increasing the production system pipeline brought suddenly of pressure；And by warning device to dangerous pressure shape
State carries out alarm, so as to achieve the purpose that prevention production is dangerous.
Brief description of the drawings
Fig. 1 is the theory structure schematic diagram of the utility model.
Fig. 2 is the partial enlarged view of A in Fig. 1.
Fig. 3 is the functional block diagram of looped system.
Wherein, corresponding reference numeral is 1- electromagnetic coils in attached drawing, 2- magnet, 3- connecting rods, 5- pistons, in 4- controls
The heart, 6- valve bodies, 7- throttling elements, 8- sealing rings, 9- first pressure sensors, the first springs of 10-, 11- convex blocks, 12- second springs,
13- second pressure sensors, 14- pressure blocks, the second fluid-through ports of 15-, the first fluid-through ports of 16-, 17- pipelines, 18-U type fluid-through tubes,
The first liquid outlets of 19-, the outlet of 20- second liquids.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by attached drawing.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In new description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified unit or element must have specific orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
State the term of position relationship only for illustration, it is impossible to the limitation to this patent is interpreted as, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
As shown in Figs. 1-3, a kind of partial pressure liquid limit regulating valve, including adjust valve body and looped system；It is described anti-
Feedback regulating system includes first pressure sensor, second pressure sensor and control centre；The control centre is respectively with first
Pressure sensor is connected with second pressure sensor；The adjusting valve body includes partial pressure flow-limiting valve and is limited by pipeline and partial pressure
Flow the press feedback device of valve connection；The partial pressure flow-limiting valve includes executing agency, the control centre and partial pressure flow-limiting valve
Executing agency connects；The press feedback device includes the U-shaped fluid-through tube being connected with the pipeline sidepiece；The U-shaped fluid-through tube
Top be equipped with elastic device, the elastic device includes pressure block, the convex block arranged on pressure block top and for accommodating convex block
Cavity, left side is equipped with first pressure sensor and the first spring with first pressure sensor contacts in the cavity；Institute
State and be equipped with second pressure sensor and the second spring with second pressure sensor contacts on the right side of cavity；The left and right sides of convex block
It is in contact respectively with the first spring and second spring；The pressure block is located in U-shaped fluid-through tube and is slided with U-shaped fluid-through tube and connected
Connect.
Further, the executing agency of the partial pressure flow-limiting valve includes valve body, the electromagnetic coil arranged on body top and company
Bar；The top of the connecting rod is equipped with magnet, and the magnet passes through magnetic field interaction, the electromagnetic coil and control with electromagnetic coil
Center processed connection, the bottom of the connecting rod are equipped with piston, and the piston is equipped with throttling element, the throttling element be surrounded by and
The sealing ring of valve seal connection；The upside of the valve body is equipped with the first liquid outlet, and the downside of the valve body is equipped with the second liquid
Body exports, and the top of the piston is tightly connected with the first liquid outlet；Sealing ring on the throttling element goes out with second liquid
Mouth is tightly connected.
Further, the looped system further includes warning device, and the warning device is connected with control centre.
Further, warning device includes buzzer, and the buzzer is connected with control centre.
Further, the throttling element is with mushy honeycomb structure.
Its course of work is as follows：
During normal operating conditions, the first spring and second spring are normally from the first fluid-through port 16 to the pressure differential of convex block
The pressure at place to the second fluid-through port 15 pressure drop；When the pressure anomaly in pipeline 17, the pressure block in U-shaped fluid-through tube 18 drives
Convex block gives 12 power of the first spring 10 and second spring, and the pressure of the first spring 10 and second spring 12 passes through first sensor respectively
9 and second sensor 13 return to the value that control centre 4 judges abnormal pressure deviation normal pressure, and change electromagnetic coil accordingly
Current direction in 1 is to realize attraction or repulsion with magnet 2, so that connecting rod 3 is moved upwardly or downwardly with piston 5；When
When connecting rod 3 moves upwards, 5 top of piston is tightly connected with the first liquid outlet 19；Sealing ring on the throttling element of 5 lower part of piston
8 are connected with the seal for pipe joints of second liquid outlet；So as to which the liquid in pipeline 17 can only pass through the throttling element 7 of 5 lower part of piston
Middle part passes through；The throttling element can be mushy honeycomb structure, and the size of specific hole is selected according to actual situation；
When pressure recovery is normal, connecting rod 3 is moved downward with piston 5, so that the liquid after pressure is normal is from the first liquid outlet
By so as to play the role of stable pipeline pressure；In addition can be with reflux cycle to pipe from the liquid of second liquid outlet discharge
In road 17, so that when pressure anomaly is relatively low, it can be supplemented in time, so that the fast quick-recovery of fluid pressure is being just in pipeline
Often.
The technical solution of the utility model can preferably be realized according to the record of this specification.
Claims (5)
1. a kind of partial pressure liquid limit regulating valve, it is characterised in that including adjusting valve body and looped system；The feedback regulation
System includes first pressure sensor, second pressure sensor and control centre；The control centre passes with first pressure respectively
Sensor is connected with second pressure sensor；The adjusting valve body includes partial pressure flow-limiting valve and is connected by pipeline and partial pressure flow-limiting valve
The press feedback device connect；The partial pressure flow-limiting valve includes executing agency, the control centre and the execution machine of partial pressure flow-limiting valve
Structure connects；The press feedback device includes the U-shaped fluid-through tube being connected with the pipeline sidepiece；The top of the U-shaped fluid-through tube
Equipped with elastic device, the elastic device includes pressure block, the convex block arranged on pressure block top and the cavity for accommodating convex block,
Left side is equipped with first pressure sensor and the first spring with first pressure sensor contacts in the cavity；The cavity is right
Side is equipped with second pressure sensor and the second spring with second pressure sensor contacts；The left and right sides of convex block is respectively with
One spring and second spring are in contact；The pressure block is located in U-shaped fluid-through tube and is slidably connected with U-shaped fluid-through tube.
A kind of 2. partial pressure liquid limit regulating valve according to claim 1, it is characterised in that the execution machine of the partial pressure flow-limiting valve
Structure includes valve body, electromagnetic coil and connecting rod arranged on body top；The top of the connecting rod is equipped with magnet, the magnet and electromagnetism
Coil is connected by magnetic field interaction, the electromagnetic coil with control centre, and the bottom of the connecting rod is equipped with piston, the work
Throttling element is equipped with beyond the Great Wall, and the throttling element is surrounded by the sealing ring being connected with valve seal；The upside of the valve body is equipped with
First liquid outlet, the downside of the valve body are exported equipped with second liquid, and the top of the piston is sealed with the first liquid outlet
Connection；Sealing ring on the throttling element is connected with second liquid exit seal.
3. a kind of partial pressure liquid limit regulating valve according to claim 2, it is characterised in that the looped system further includes
Warning device, the warning device are connected with control centre.
4. a kind of partial pressure liquid limit regulating valve according to claim 3, it is characterised in that warning device includes buzzer, institute
Buzzer is stated to be connected with control centre.
5. a kind of partial pressure liquid limit regulating valve according to claim 2-4 any one, it is characterised in that the throttling element is
With mushy honeycomb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448761.9U CN207333905U (en) | 2017-11-02 | 2017-11-02 | A kind of partial pressure liquid limit regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448761.9U CN207333905U (en) | 2017-11-02 | 2017-11-02 | A kind of partial pressure liquid limit regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333905U true CN207333905U (en) | 2018-05-08 |
Family
ID=62364514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721448761.9U Expired - Fee Related CN207333905U (en) | 2017-11-02 | 2017-11-02 | A kind of partial pressure liquid limit regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288301A (en) * | 2020-03-03 | 2020-06-16 | 游代松 | Adjustable pipeline measurement control device utilizing electromagnetic induction principle |
-
2017
- 2017-11-02 CN CN201721448761.9U patent/CN207333905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288301A (en) * | 2020-03-03 | 2020-06-16 | 游代松 | Adjustable pipeline measurement control device utilizing electromagnetic induction principle |
| CN111288301B (en) * | 2020-03-03 | 2021-11-09 | 领胜城科技（江苏）有限公司 | Adjustable pipeline measurement control device utilizing electromagnetic induction principle |
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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: 20180508 |