CN109520574A - Intelligent aperture flowmeter - Google Patents
Intelligent aperture flowmeter Download PDFInfo
- Publication number
- CN109520574A CN109520574A CN201811651165.XA CN201811651165A CN109520574A CN 109520574 A CN109520574 A CN 109520574A CN 201811651165 A CN201811651165 A CN 201811651165A CN 109520574 A CN109520574 A CN 109520574A
- Authority
- CN
- China
- Prior art keywords
- valve body
- outlet
- straight line
- flowmeter
- line shaft
- Prior art date
- 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.)
- Withdrawn
Links
- 230000008676 import Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000009825 accumulation Methods 0.000 claims abstract description 8
- 210000000988 bone and bone Anatomy 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- G01F1/42—Orifices or nozzles
Abstract
The invention discloses a kind of intelligent aperture flowmeter, import valve body has gas flow channel；Outlet valve body has gas flow pass；Seal receptacle is installed on the inside of the gas flow channel of import valve body；Outlet valve body central hole is equipped with straight line line shaft, one end of straight line line shaft is equipped with throttle valve head, pod, the assembly of three's concentric fit is integral, gas passage is divided between throttle valve head and seal receptacle, the other end of straight line line shaft is connected with linear actuator, and linear actuator adjusts the aperture interval of throttle valve head by straight line line shaft；Import valve body, outlet valve body are respectively equipped with inlet end signal pipe and outlet side signal pipe；Air inlet end signal is connected to sampling with inlet pressure sensor, and outlet side signal pipe is connected to sampling with outlet pressure sensor；It exports valve body and is equipped with pressure transmitter；Flow accumulation control panel is installed inside display housing.The present invention actively can maintain the pressure of outlet to keep constant according to the actual demand of different user.
Description
Technical field
The present invention relates to flowmeter, flow-limiting valve, metering devices, be exactly it is a kind of be provided simultaneously with based on flowmeter it is more
The intelligent aperture flowmeter of state modulator function.
Background technique
Orifice plate (also referred to as differential pressure type) flowmeter is to flow through throttling set using fluid based on the Throttle Principle of fluid flowing
When the pressure difference that generates and realize flow measurement.It is that measuring flow is most mature in current production, one of most common method.
It is also a kind of time-honored seriation flowmeter.Orifice flowmeter standardization level is high, it may not be necessary to carry out real fail to be sold at auction and determine.Standard
Orifice plate has reliable experimental data and the perfect world, national standard.
But traditional hole plate technique has the following technical problems:
1, repeatability, the accuracy measured belongs to medium level in flowmeter, since the influence of many factors is intricate, essence
Exactness is difficult to improve.
2, rangeability is narrow, since discharge coefficient is related with Reynolds number, rangeability only 3: 1~4: 1.
3, there is longer flow development length requirement, be generally more difficult to meet.Especially to compared with Large Diameter Pipeline, problem is more prominent.
4, the pressure loss is larger.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of intelligent aperture flowmeters, can be according to the reality of different user
Demand actively maintains the pressure of outlet and keeps constant.
In order to solve the above technical problems, the present invention uses following technological means:
A kind of intelligence aperture flowmeter, including import valve body, outlet valve body, the import valve body, which is machined with gas and flows into, to be led to
Road, inlet end signal pipe are connected to sampling with the air flue；Outlet valve body is equally machined with gas flow pass, outlet side signal pipe with
Airflow channel connection sampling；Seal receptacle is installed on the inside of import valve body gas flow channel；Export valve body central hole dress
It is sealed equipped with straight line line shaft and by O-ring, one end of straight line line shaft is equipped with throttle valve head, pod, and three is concentric
Cooperation assembly is integral, between throttle valve head and seal receptacle between be divided into gas passage, the other end and straight line of straight line line shaft
Actuator is connected, and linear actuator adjusts the aperture interval of throttle valve head by straight line line shaft, is equivalent to and changes gas circulation
Effective aperture；Import valve body, outlet valve body are respectively equipped with inlet end signal pipe and outlet side signal pipe；Air inlet end signal with into
Mouth pressure sensor connection sampling, outlet side signal pipe are connected to sampling with outlet pressure sensor；It exports valve body and is equipped with pressure
Transmitter, display housing, pressure transmitter inside are equipped with DTU communication module group and connecting terminal, and pressure signal conducting wire is by wearing
String holes is reached inside display housing again by inner cavity and is connect with flow accumulation control panel, and stream is equipped with inside display housing
Integrating control panel, anti-explosion partition and operation panel are measured, signal and pilot then pass through threading hole and enter inner cavity and straight line execution
Device is connected.
The present invention by adopting the above technical scheme, compared with prior art, the feature protruded is:
With pod phase occurs for the present apparatus by measurement inlet pressure, outlet pressure, using straight line line shaft driving throttle valve head
To movement, to change the aperture of gas circulation, adjusts and arrive required pressure, which can be according to the reality of different user
Demand actively maintains the pressure of outlet to keep constant.
Further optimal technical scheme is as follows:
The outlet valve body is equipped with inner cylinder, outer cylinder, and inner cylinder, outer cylinder are concentric structure, and inner cylinder, outer cylinder are by four spoke type muscle of equal part
Bone connection, muscles and bones and inner/outer tube one essence casting form, firm reliable, chamber lid after installation on the left of inner cylinder, between rear chamber lid and inner cylinder
Rim of the mouth cooperates positioning bolt fastening, there is O-ring at rim of the mouth, and the confined space that rear chamber lid and inner cylinder are formed is inner cavity, inner cylinder, outer
Cavity between cylinder is exocoel, and inner cavity and exocoel completely cut off, and has threading hole in muscles and bones, conducting wire can be worn from outside by the threading hole
Enter inner cavity；The outside of inner cavity is exocoel, and exocoel is the channel of gas.
The inlet pressure sensor is connected to inlet valve bulk measurement inlet pressure, outlet pressure by inlet end signal pipe
Sensor is connected to outlet valve bulk measurement outlet pressure by outlet side signal pipe.
The seal receptacle is positioned by rim of the mouth and by bolt fastening.
The import valve body and outlet valve body is bolted.
The straight line line shaft is tightly connected by seal O-ring and outlet valve body.
The center of the pod is equipped with threaded hole, and pod is connect with the ends screw of straight line line shaft, water conservancy diversion
Cover compresses throttle valve head.
Detailed description of the invention
Fig. 1 is the perspective view of the embodiment of the present invention；
Fig. 2 is main view of the invention；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the B-B cross-sectional view of Fig. 2；
Fig. 5 is the C-C cross-sectional view of Fig. 4；
Fig. 6 is the working principle of the invention figure；
Description of symbols: 1- exports valve body；2- bolt；Chamber lid after 3-；4- muffling hole plate；5- back cavity bonnet bolt；6-
Outlet side signal pipe；7- linear actuator；8- import valve body；9- inlet end signal pipe；10- seal receptacle bolt；11- section
Flow valve head；12- pod；13- straight line line shaft；14- seal receptacle；15- bolt；16- display housing；17- is explosion-proof
Partition；18- operation panel；19- panel end cap；20- flow accumulation control panel；21- threading hole；22-O type circle；23-O type
Circle；The inner cavity 24-；25- exocoel；26- position sensor；27- pressure transmitter；28- outlet pressure sensor；29- transmitter cover；
30-DTU communication module group and connecting terminal；31- inlet pressure sensor.
Specific embodiment
With reference to the accompanying drawings and embodiments, the present invention is further illustrated.
Referring to Fig. 1-Fig. 5, a kind of intelligence aperture flowmeter is made of import valve body 8, outlet valve body 1, and import valve body 8 adds
Work has gas flow channel, and inlet end signal pipe 9 is connected to sampling with the air flue；It is logical that outlet valve body 1 is equally machined with gas outflow
Road, outlet side signal pipe 6 are connected to sampling with the air flue；Seal receptacle 14 is installed on the inside of 8 gas flow channel of import valve body；Out
Mouth 1 central hole of valve body is equipped with straight line line shaft 13 and is sealed by O-ring 23, and one end of straight line line shaft 13 is equipped with section
Flow valve head 11, pod 12, the assembly of three's concentric fit is integral, between throttle valve head 11 and seal receptacle 14 between be divided into gas
Channel；The other end of straight line line shaft 13 is connected with linear actuator 7, and linear actuator 7 adjusts section by straight line line shaft 13
The aperture interval for flowing valve head 11 is equivalent to the effective aperture for changing gas circulation；Import valve body 8, outlet valve body 1 be respectively equipped with into
Gas end signal pipe and outlet side signal pipe；Air inlet end signal is connected to sampling with inlet pressure sensor 31, outlet side signal pipe and
The connection sampling of outlet pressure sensor 28；It exports valve body 1 and is equipped with pressure transmitter 36, display housing 16, pressure transmitter
Inside is equipped with DTU communication module group and connecting terminal 30, and pressure signal conducting wire reaches display by inner cavity 24 by threading hole 21 again
The inside of device shell 16 is simultaneously connect with flow accumulation control panel 20, be equipped with inside display housing 16 flow accumulation control panel 20,
Anti-explosion partition 17 and operation panel 18, signal and pilot then pass through threading hole 21 and are connected into inner cavity with linear actuator 7
It connects.
It exports valve body 1 and is equipped with inner cylinder, outer cylinder, inner cylinder, outer cylinder are concentric structure, and inner cylinder, outer cylinder are by four spoke type muscle of equal part
Bone connection, muscles and bones and inner/outer tube one essence casting form, firm reliable, chamber lid 3 after installation on the left of inner cylinder, rear chamber lid 3 and inner cylinder it
Between rim of the mouth cooperation positioning fastened with bolt 5, have O-ring 22 at rim of the mouth, rear chamber lid 3 is inner cavity with the confined space that inner cylinder is formed
24, cavity between inner cylinder, outer cylinder is exocoel 25, and inner cavity 24 and exocoel 25 completely cut off, and has threading hole 21 in muscles and bones, and conducting wire can be from
Outside penetrates inner cavity 24 by the threading hole；The outside of inner cavity 24 is exocoel 25, and exocoel is the channel of gas.
The exit for exporting valve body 1 is equipped with muffling hole plate 4, and muffling hole plate 4 is equipped with air-flow open-work, and muffling hole plate 4 passes through
Bolt 2 is connected and fixed with outlet valve body 1.
Inlet pressure sensor 31 is connected to import valve body 8 by inlet end signal pipe 9 and measures inlet pressure, and outlet pressure passes
Sensor 28 measures outlet pressure by the connection of outlet side signal pipe 6 outlet valve body 1.
Seal receptacle 14 is positioned by rim of the mouth and is fastened by bolt 10.
Import valve body 8 and outlet valve body 1 are connected by bolt 15.
Straight line line shaft 13 is tightly connected by seal O-ring 23 and outlet valve body.
The center of pod 12 is equipped with threaded hole, and pod 12 is connect with the ends screw of straight line line shaft 13, water conservancy diversion
Cover 12 compresses throttle valve head 11.
In conjunction with Fig. 5, its working principles are as follows:
Pressure sensor acquires inlet pressure and outlet pressure simultaneously, and converter counts the analog signal of pressure sensor
Wordization processing is sent into CPU and carries out operation, and CPU judges whether to beat on or off according to the variation of outlet pressure sensor digital signal
Internal effective aperture is closed, and issues instruction at once and expected movement is completed by digital electromagnetic linear actuator；To remain
It is consistent with preset differential pressure.
Absolute position transducer 26 records the actual position of pressure regulator valve port to CPU in real time, while temperature sensor acquires
Information be also sent to CPU；CPU according to the mathematical model of flow calculate gas flow and by DTU establish with host computer it
Between wired or wireless remote both way communications, complete the storage of online real-time data acquisition and control (including intelligent aperture flowmeter
Operational mode such as automatic difference die pressing type, automatic current limiting mode, multi-period current limliting reservation protocol, gas gross accumulation mode etc.
Deng), remote failure alarm etc.
Intelligent aperture flowmeter described in the present embodiment has the advantage that compared with traditional orifice flowmeter
1. traditional differential pressure flowmeter orifice plate latus rectum is definite value；The aperture of intelligent aperture flowmeter is stepless variable；
2. traditional orifice flowmeter is measured by the differential pressure before and after passive measurement orifice plate；Intelligent aperture flowmeter is to pass through
Active control aperture is to keep relative constant differential pressure to realize metering；
3. traditional orifice flowmeter almost loses measuring accuracy when the flow very little time difference originally can not be detected at all；Intelligent hole runoff
No matter how meter flow reduces the differential pressure that can remain constant, measuring accuracy will not be lost；
4. being also able to achieve autonomous multi-period curve current limliting, definite value current limliting, it can also directly close realization and the functions such as shut off.
The foregoing is merely preferably feasible embodiment of the invention, not thereby limiting the scope of the invention,
It is all to change with equivalent structure made by description of the invention and accompanying drawing content, it is intended to be included within the scope of the present invention.
Claims (7)
1. a kind of intelligence aperture flowmeter, including import valve body, outlet valve body, it is characterised in that: the import valve body processing
There is gas flow channel, inlet end signal pipe is connected to sampling with the air flue；Outlet valve body is equally machined with gas flow pass, out
Gas end signal pipe is connected to sampling with the airflow channel；Seal receptacle is installed on the inside of import valve body gas flow channel；Outlet valve
Body central hole is equipped with straight line line shaft and is sealed by O-ring, and one end of straight line line shaft is equipped with throttle valve head, water conservancy diversion
Cover, the assembly of three's concentric fit is integral, between throttle valve head and seal receptacle between be divided into gas passage, straight line line shaft it is another
One end is connected with linear actuator, and linear actuator adjusts the aperture interval of throttle valve head by straight line line shaft, is equivalent to and changes
Become the effective aperture of gas circulation；Import valve body, outlet valve body are respectively equipped with inlet end signal pipe and outlet side signal pipe；Air inlet
End signal is connected to sampling with inlet pressure sensor, and outlet side signal pipe is connected to sampling with outlet pressure sensor；Export valve body
It is equipped with pressure transmitter, display housing, is equipped with DTU communication module group and connecting terminal, pressure signal inside pressure transmitter
Conducting wire is reached inside display housing again by inner cavity by threading hole and is connect with flow accumulation control panel, in display shell body
Portion is equipped with flow accumulation control panel, anti-explosion partition and operation panel, and signal and pilot then pass through threading hole and enter inner cavity
It is connected with linear actuator.
2. intelligence aperture flowmeter according to claim 1, it is characterised in that: the outlet valve body is equipped with inner cylinder, outer
Cylinder, inner cylinder, outer cylinder are concentric structure, and inner cylinder, outer cylinder are by chamber lid after installation on the left of four spoke type muscles and bones of equal part connection inner cylinder, back cavity
Rim of the mouth cooperates positioning bolt fastening between lid and inner cylinder, has O-ring at rim of the mouth, the confined space that rear chamber lid is formed with inner cylinder is
Inner cavity, the cavity between inner cylinder, outer cylinder are exocoel, and inner cavity and exocoel completely cut off, and have threading hole in muscles and bones, and conducting wire can be logical from outside
It crosses the threading hole and penetrates inner cavity；The outside of inner cavity is exocoel, and exocoel is the channel of gas.
3. intelligence aperture flowmeter according to claim 1, it is characterised in that: the inlet pressure sensor by into
Gas end signal pipe is connected to inlet valve bulk measurement inlet pressure, and outlet pressure sensor passes through outlet side signal pipe connection outlet valve body
Measure outlet pressure.
4. intelligence aperture according to claim 1 flowmeter, it is characterised in that: the seal receptacle is positioned simultaneously by rim of the mouth
By bolt fastening.
5. intelligence aperture according to claim 1 flowmeter, it is characterised in that: the import valve body and outlet valve body is logical
It crosses and is bolted.
6. intelligence aperture according to claim 1 flowmeter, it is characterised in that: the straight line line shaft passes through sealing O
Type circle and outlet valve body are tightly connected.
7. intelligence aperture according to claim 1 flowmeter, it is characterised in that: the center of the pod is equipped with screw thread
Hole, pod are connect with the ends screw of straight line line shaft, and pod compresses throttle valve head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651165.XA CN109520574A (en) | 2018-12-31 | 2018-12-31 | Intelligent aperture flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651165.XA CN109520574A (en) | 2018-12-31 | 2018-12-31 | Intelligent aperture flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109520574A true CN109520574A (en) | 2019-03-26 |
Family
ID=65797444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811651165.XA Withdrawn CN109520574A (en) | 2018-12-31 | 2018-12-31 | Intelligent aperture flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109520574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915340A (en) * | 2021-04-01 | 2022-01-11 | 波普科技(唐山)有限公司 | Intelligent gas pressure regulator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001027556A (en) * | 1999-07-15 | 2001-01-30 | Toshiharu Kagawa | Variable opening type orifice meter |
| CN102687087A (en) * | 2009-10-15 | 2012-09-19 | 关键系统公司 | Method and apparatus for gas flow control |
| CN204153163U (en) * | 2014-10-20 | 2015-02-11 | 西北工业大学 | A kind of valve rod is without the straight stroke electric modulating valve moved axially |
| CN104806796A (en) * | 2015-04-24 | 2015-07-29 | 倪琨 | Integrated intelligent pressure regulator |
| CN205103672U (en) * | 2015-03-09 | 2016-03-23 | 纽珀有限公司 | Flow regulator unit |
| CN209117088U (en) * | 2018-12-31 | 2019-07-16 | 波普科技(唐山)有限公司 | Intelligent aperture flowmeter |
-
2018
- 2018-12-31 CN CN201811651165.XA patent/CN109520574A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001027556A (en) * | 1999-07-15 | 2001-01-30 | Toshiharu Kagawa | Variable opening type orifice meter |
| CN102687087A (en) * | 2009-10-15 | 2012-09-19 | 关键系统公司 | Method and apparatus for gas flow control |
| CN204153163U (en) * | 2014-10-20 | 2015-02-11 | 西北工业大学 | A kind of valve rod is without the straight stroke electric modulating valve moved axially |
| CN205103672U (en) * | 2015-03-09 | 2016-03-23 | 纽珀有限公司 | Flow regulator unit |
| CN104806796A (en) * | 2015-04-24 | 2015-07-29 | 倪琨 | Integrated intelligent pressure regulator |
| CN209117088U (en) * | 2018-12-31 | 2019-07-16 | 波普科技(唐山)有限公司 | Intelligent aperture flowmeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915340A (en) * | 2021-04-01 | 2022-01-11 | 波普科技(唐山)有限公司 | Intelligent gas pressure regulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190326 |
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| WW01 | Invention patent application withdrawn after publication |