CN110031048A - A kind of differential pressure flowmeter differential pressure signal stable-pressure device - Google Patents
A kind of differential pressure flowmeter differential pressure signal stable-pressure device Download PDFInfo
- Publication number
- CN110031048A CN110031048A CN201910336690.0A CN201910336690A CN110031048A CN 110031048 A CN110031048 A CN 110031048A CN 201910336690 A CN201910336690 A CN 201910336690A CN 110031048 A CN110031048 A CN 110031048A
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- China
- Prior art keywords
- pressure
- stabilizing portion
- differential pressure
- flowmeter
- pressure stabilizing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
Abstract
The invention discloses a kind of differential pressure flowmeter differential pressure signal stable-pressure device, which includes pressure stabilizing portion, and the pressure stabilizing portion has closed cavity structure；Two connecting tubes, pressure stabilizing portion diameter are greater than the connection pipe diameter；Each connecting tube is connected and is fixedly linked with the pressure stabilizing portion with inside the pressure stabilizing portion respectively, and each connecting tube is located at one end inside the pressure stabilizing portion and is respectively connected with diffusion part.Differential pressure flowmeter differential pressure signal stable-pressure device provided by the present application, simple and reasonable, cost of manufacture is cheap, easy to install and use.After being full of fluid inside pressure stabilizing portion, pressure is constant when can guarantee fluid by flowing out inside it, solve the problems, such as due to flowmeter flow development length is insufficient or pipe fluid pressure unstable to cause detected value to fluctuate big, good pressure stabilization function can be played, it fluctuates flowmeter in measurement process to become smaller, is worth promoting the use of a large area.
Description
Technical field
The present invention relates to flowmeter voltage stabilizing technique fields, fill more particularly to a kind of differential pressure flowmeter differential pressure signal pressure stabilizing
It sets.
Background technique
Differential pressure type (also referred to as throttle type) flowmeter is the Throttle Principle based on fluid flowing, flows through throttling dress using fluid
The pressure difference that is generated when setting and realize flow measurement.It is that measuring flow is most mature in current production, most common method it
One.Usually by measured flux can be converted into pressure difference signal throttling set and this pressure difference can be converted into corresponding flow value
The difference gauge and display instrument shown is formed.In unit aggregated instrument, the pressure difference signal generated by throttling set,
It is converted into corresponding standard signal (electric or gas) frequently by differential pressure transmitter, so that display, record or control are used.
In order to provide the inspection accuracy of flowmeter, straight pipe is usually added on circulation duct, throttling set is usually pacified
Fill straight pipe on, two pressure pipes respectively at the straight pipe of throttling set front and rear sides carry out impulse.But in practical applications,
Often occur causing flowmeter in measurement process since flow development length is inadequate or pipe fluid pressure is unstable, measure
As a result fluctuation is big, strong influence measurement effect.
Summary of the invention
The present invention provides a kind of differential pressure flowmeter differential pressure signal stable-pressure devices.
The present invention provides following schemes:
A kind of differential pressure flowmeter differential pressure signal stable-pressure device, comprising:
Pressure stabilizing portion, the pressure stabilizing portion have closed cavity structure；
Two connecting tubes, pressure stabilizing portion diameter are greater than the connection pipe diameter；Each connecting tube is respectively and in the pressure stabilizing portion
Portion is connected and is fixedly linked with the pressure stabilizing portion, and each connecting tube is located at one end inside the pressure stabilizing portion and is respectively connected with diffusion
Portion；The diffusion part has closed cavity structure, and the connecting tube is connected with the inside of the diffusion part, the diffusion part packet
Multiple through-holes are offered on the side wall radial parallel with the connecting tube contained；
Two connecting tubes with the same pressure guiding pipe for flowmeter for being connected.
Preferred: the diameter of the connecting tube is identical as the diameter of the pressure guiding pipe.
It is preferred: the closed square-tube-shaped structure of the tube-shaped structure or both ends that the pressure stabilizing portion has both ends closed.
Preferred: the diffusion part has tube-shaped structure, and multiple through-holes uniformly open up and the tube-shaped structure
Side wall on.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
By the invention it is possible to realize a kind of differential pressure flowmeter differential pressure signal stable-pressure device, in an implementation mode, the device
It may include pressure stabilizing portion, the pressure stabilizing portion has closed cavity structure；Two connecting tubes, pressure stabilizing portion diameter are greater than the company
Tube diameter；Each connecting tube is connected and is fixedly linked with the pressure stabilizing portion with inside the pressure stabilizing portion respectively, each company
Adapter tube is located at one end inside the pressure stabilizing portion and is respectively connected with diffusion part；The diffusion part has closed cavity structure, the company
Adapter tube is connected with the inside of the diffusion part, opens up on the side wall radial parallel with the connecting tube that the diffusion part includes
There are multiple through-holes；Two connecting tubes with the same pressure guiding pipe for flowmeter for being connected.Differential flow provided by the present application
Differential pressure signal stable-pressure device is counted, simple and reasonable, cost of manufacture is cheap, easy to install and use.Full of stream inside pressure stabilizing portion
After body, it is ensured that pressure is constant when fluid is flowed out by its inside, solves since flowmeter flow development length is insufficient or pipe
Road fluid pressure is unstable to cause detected value to fluctuate big problem, can play good pressure stabilization function, survey flowmeter
Fluctuation becomes smaller during amount, is worth promoting the use of a large area.
Certainly, implement any of the products of the present invention and do not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of differential pressure flowmeter differential pressure signal stable-pressure device provided in an embodiment of the present invention;
Fig. 2 is scheme of installation provided in an embodiment of the present invention.
In figure: pressure stabilizing portion 1, connecting tube 2, diffusion part 3, through-hole 4, pressure guiding pipe 5, straight pipe 6, throttling set 7, differential pressure transporting
Device 8.
Specific embodiment
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 description, 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, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
Embodiment
Be a kind of differential pressure flowmeter differential pressure signal stable-pressure device provided in an embodiment of the present invention referring to Fig. 1, Fig. 2, as Fig. 1,
Shown in Fig. 2, which includes pressure stabilizing portion 1, and the pressure stabilizing portion 1 has closed cavity structure；
Two connecting tubes 2,1 diameter of pressure stabilizing portion are greater than 2 diameter of connecting tube；Each connecting tube 2 respectively with the pressure stabilizing
It is connected inside portion 1 and is fixedly linked with the pressure stabilizing portion 1, each connecting tube 2 is located at described 1 inside one end of pressure stabilizing portion and is all connected with
There is diffusion part 3；The diffusion part 3 has closed cavity structure, and the connecting tube 2 is connected with the inside of the diffusion part 3, institute
It states and offers multiple through-holes 4 on the side wall radial parallel with the connecting tube 2 that diffusion part 3 includes；
Two connecting tubes 2 with the same pressure guiding pipe 5 for flowmeter for being connected.The device when in use, only need and impulse
Pipe series connection, does any change without the structure to flowmeter in the prior art itself.
Further, the diameter of the connecting tube 2 is identical as the diameter of the pressure guiding pipe 5.
Further, the closed square-tube-shaped structure of the tube-shaped structure or both ends that the pressure stabilizing portion 1 has both ends closed.Institute
Diffusion part is stated with tube-shaped structure, multiple through-holes uniformly open up on the side wall of the tube-shaped structure.
It is envisioned that differential pressure flowmeter includes two pressure guiding pipes 5 of 7 two sides of throttling set being located on straight pipe 6,
In practical application, a set of device provided by the present application can be installed respectively on two pressure guiding pipes, can effectively it is stable into
Fluid pressure inside differential pressure transmitter 8 out.
In short, differential pressure flowmeter differential pressure signal stable-pressure device provided by the present application, simple and reasonable, low manufacture cost
It is honest and clean, it is easy to install and use.After being full of fluid inside pressure stabilizing portion, it is ensured that pressure is constant when fluid is flowed out by its inside,
Solve the problems, such as due to flowmeter flow development length is insufficient or pipe fluid pressure it is unstable to cause detected value to fluctuate big, can
To play good pressure stabilization function, fluctuates flowmeter in measurement process and become smaller, be worth promoting the use of a large area.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (4)
1. a kind of differential pressure flowmeter differential pressure signal stable-pressure device characterized by comprising
Pressure stabilizing portion, the pressure stabilizing portion have closed cavity structure；
Two connecting tubes, pressure stabilizing portion diameter are greater than the connection pipe diameter；Each connecting tube is respectively and in the pressure stabilizing portion
Portion is connected and is fixedly linked with the pressure stabilizing portion, and each connecting tube is located at one end inside the pressure stabilizing portion and is respectively connected with diffusion
Portion；The diffusion part has closed cavity structure, and the connecting tube is connected with the inside of the diffusion part, the diffusion part packet
Multiple through-holes are offered on the side wall radial parallel with the connecting tube contained；
Two connecting tubes with the same pressure guiding pipe for flowmeter for being connected.
2. differential pressure flowmeter differential pressure signal stable-pressure device according to claim 1, which is characterized in that the connecting tube it is straight
Diameter is identical as the diameter of the pressure guiding pipe.
3. differential pressure flowmeter differential pressure signal stable-pressure device according to claim 1, which is characterized in that the pressure stabilizing portion has
The closed square-tube-shaped structure of the closed tube-shaped structure in both ends or both ends.
4. differential pressure flowmeter differential pressure signal stable-pressure device according to claim 1, which is characterized in that the diffusion part has
Tube-shaped structure, multiple through-holes uniformly open up on the side wall of the tube-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336690.0A CN110031048B (en) | 2019-04-25 | 2019-04-25 | Differential pressure signal voltage stabilizer of differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336690.0A CN110031048B (en) | 2019-04-25 | 2019-04-25 | Differential pressure signal voltage stabilizer of differential pressure flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110031048A true CN110031048A (en) | 2019-07-19 |
| CN110031048B CN110031048B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910336690.0A Active CN110031048B (en) | 2019-04-25 | 2019-04-25 | Differential pressure signal voltage stabilizer of differential pressure flowmeter |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0953962A (en) * | 1995-08-14 | 1997-02-25 | Tokyo Gas Co Ltd | Pressure fluctuation absorber for fluidic flowmeter |
| JP3355130B2 (en) * | 1998-03-31 | 2002-12-09 | 矢崎総業株式会社 | Pulsation absorption structure of flow meter |
| CN203216550U (en) * | 2013-04-23 | 2013-09-25 | 中国石油化工股份有限公司 | Device for measuring two-phase flow of wet steam on ground surface of oil field |
| CN103398733A (en) * | 2013-08-16 | 2013-11-20 | 中煤科工集团重庆研究院 | Anti-blocking pressure guidance probe of wind speed and wind direction detection device |
| CN104990646A (en) * | 2015-07-08 | 2015-10-21 | 合肥热电集团有限公司 | Heat energy meter pressure loss measurement device |
| CN106123977A (en) * | 2016-06-21 | 2016-11-16 | 成都国光电子仪表有限责任公司 | A kind of differential pressure type flow meter |
-
2019
- 2019-04-25 CN CN201910336690.0A patent/CN110031048B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0953962A (en) * | 1995-08-14 | 1997-02-25 | Tokyo Gas Co Ltd | Pressure fluctuation absorber for fluidic flowmeter |
| JP3355130B2 (en) * | 1998-03-31 | 2002-12-09 | 矢崎総業株式会社 | Pulsation absorption structure of flow meter |
| CN203216550U (en) * | 2013-04-23 | 2013-09-25 | 中国石油化工股份有限公司 | Device for measuring two-phase flow of wet steam on ground surface of oil field |
| CN103398733A (en) * | 2013-08-16 | 2013-11-20 | 中煤科工集团重庆研究院 | Anti-blocking pressure guidance probe of wind speed and wind direction detection device |
| CN104990646A (en) * | 2015-07-08 | 2015-10-21 | 合肥热电集团有限公司 | Heat energy meter pressure loss measurement device |
| CN106123977A (en) * | 2016-06-21 | 2016-11-16 | 成都国光电子仪表有限责任公司 | A kind of differential pressure type flow meter |
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| Publication number | Publication date |
|---|---|
| CN110031048B (en) | 2021-05-18 |
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