CN206208328U - Automatic block-resistant molded breadth range flow instrument - Google Patents
Automatic block-resistant molded breadth range flow instrument Download PDFInfo
- Publication number
- CN206208328U CN206208328U CN201621339823.8U CN201621339823U CN206208328U CN 206208328 U CN206208328 U CN 206208328U CN 201621339823 U CN201621339823 U CN 201621339823U CN 206208328 U CN206208328 U CN 206208328U
- Authority
- CN
- China
- Prior art keywords
- turbine
- instrument
- flow transducer
- housing
- current stabilization
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model is related to automatic block-resistant molded breadth range flow instrument, including tubulose housing, the inwall of housing is provided with pressure sensor, and the downstream of pressure sensor is provided with turbine flow transducer, and the downstream of turbine flow transducer is provided with thermal convection acceleration sensor；Also include integrating instrument, integrating instrument is connected with pressure sensor, turbine flow transducer and thermal convection acceleration sensor by wire；The anti-block apparatus for preventing turbine flow transducer from blocking are additionally provided with housing, anti-block apparatus include the bypass passageways being arranged on housing, the upstream open of bypass passageways is located at the front side of turbine flow transducer, the downstream opening of bypass passageways is just set to turbine, upstream open is provided with magnetic valve, and magnetic valve is turned on and off under the control of integrating instrument.Automatic block-resistant molded breadth range flow instrument can automated cleaning and avoid turbine from blocking, turbine flow transducer is used in combination broad quantum with thermal convection acceleration sensor.
Description
Technical field
The utility model is related to flow instrument, more particularly to automatic block-resistant molded breadth range flow instrument.
Background technology
At present, the various flow instruments that the flow instrument producer of main flow is produced in the world, due to the original in measuring principle
Cause, causes the limitation of separate unit instrument range of flow, and general range is all 1：30 or so.Only thermal gas flowmeter and sieve
The range ability of thatch flowmeter is relatively wide, typically 1:200 or so.And, the rate of flow of fluid in flow conduit often occurred
Fast and excessively slow situation occurs, general all beyond the fluid of measures range considerably beyond the flow rates that instrument can be measured
Can not accurately be recorded by flow instrument, in addition basic just record less than.Existing any a flow instrument can not
Meet the measuring requirement of field working conditions, very big difficulty is brought to the accurate measurement of fluid.Gas turbine meter is mainly used
The air in industrial pipeline, nitrogen, biogas, natural gas is several in Test Cycle volume flow etc. the flow measurement of medium fluid
By fluid density, pressure, temperature, viscosity is isoparametric influences；Its principle be gas by flowmeter when drive flowmeter
Impeller is rotated at a high speed, and gas flow is measured by the way that flowmeter gas flow and wheel speed are in direct ratio.Turbine is for a long time
Use during, the impurity in gas can be sticked to cause turbine flowmeter to fail on the blade of turbine, now then need to tear open
Dirty gauge is cleaned, and influences production efficiency, and cleaning is also inconvenient.
Utility model content
Technical problem to be solved in the utility model be to provide can automated cleaning and avoid turbine from blocking, broad quantum from
Dynamic block-resistant type wide-range flow instrument.
In order to solve the above technical problems, the technical solution of the utility model is：Automatic block-resistant molded breadth range flow instrument, including
The housing of tubulose, the inwall of the housing is provided with pressure sensor, and the downstream of the pressure sensor is provided with turbine flow biography
Sensor, the downstream of the turbine flow transducer is provided with thermal convection acceleration sensor；Also include integrating instrument, the integrating instrument with
The pressure sensor, the turbine flow transducer and the thermal convection acceleration sensor are connected by wire；The shell
The anti-block apparatus for preventing the turbine flow transducer from blocking are additionally provided with body, the anti-block apparatus include being arranged on the housing
On bypass passageways, the upstream open of the bypass passageways is located at the front side of the turbine flow transducer, the bypass passageways
Downstream opening just the turbine is set, the upstream open is provided with magnetic valve, and the magnetic valve is in the integrating instrument
It is turned on and off under control.
Used as preferred technical scheme, the turbine flow transducer is provided with the preceding conducting element positioned at turbine upstream, described
Preceding conducting element includes guiding piece and current stabilization part, and the current stabilization part is cylindrical shape, is provided with for supporting the whirlpool in the current stabilization part
The preceding mounting seat of installation axle is taken turns, the preceding mounting seat is fixed in the current stabilization part by several connection sheets；The guiding piece
Positioned at the upstream of the upstream open of the bypass passageways, the guiding piece is to include base, is hinged with the circumference of the base
The umbrella being connected successively by several blades, several described blades；The blade cuts with scissors towards on the side of the turbine
Bone bar is connected to, the bone bar is hinged on slide away from one end of the blade, and the slide is sleeved on screw mandrel, the screw mandrel
One end is connected with motor, and the other end of the screw mandrel is connected with the base rotation, steady with described when the guiding piece is packed up
The outer wall for flowing part is connected to form drainage face, and the guiding piece opens and is connected with the inwall of the housing, directs flow into described
Bypass passageways.
Used as preferred technical scheme, the downstream opening is tangentially-arranged along the inwall of the housing, from downstream opening
The gas of outflow tangentially enters the enclosure interior.
Used as preferred technical scheme, the turbine flow transducer is provided with rear conducting element, and the rear conducting element is under
The side wall of trip is provided with through hole
Used as preferred technical scheme, the downstream of the through hole is provided with the current stabilization part of taper, and the small of the current stabilization part is rectified
The through hole is set, the current stabilization part is fixed on conducting element in the rear by connecting rod.
By adopting the above-described technical solution, automatic block-resistant molded breadth range flow instrument, including housing, the inwall of the housing
Pressure sensor is provided with, the downstream of the pressure sensor is provided with turbine flow transducer, the turbine flow transducer
Downstream is provided with thermal convection acceleration sensor；Also include integrating instrument, the integrating instrument and the pressure sensor, the turbine flow
Quantity sensor and the thermal convection acceleration sensor are electrically connected；Being additionally provided with the housing prevents the turbine flow transducer
The anti-block apparatus of blocking, the anti-block apparatus include setting bypass passageways on the housing, the upstream of the bypass passageways
Opening is just set positioned at the front side of the turbine flow transducer turbine, the downstream opening of the bypass passageways to the turbine,
The upstream open is provided with magnetic valve, and the magnetic valve is turned on and off under the control of the integrating instrument.Work as turbo blade
A certain amount of debris of upper accumulation and when influenceing gas flow rate in housing, pressure sensor detects the front side of turbine flow transducer
Pressure rise when, integrating instrument control magnetic valve open, partial high pressure gas washes away through bypass passageways to blade to be carried out to turbine
Cleaning, effectively prevents turbine flow transducer from blocking.Turbine sensor is examined after blocking by thermal convection acceleration sensor
Survey gas flow, it is ensured that the accuracy of flow instrument.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of guiding piece in the utility model embodiment；
Fig. 3 is the side view of guiding piece in the utility model embodiment.
In figure：1- housings；2- pressure sensors；3- magnetic valves；4- integrating instruments；5- bypass passageways；6- turbines；Water conservancy diversion after 7-
Part；8- thermal convection acceleration sensors；9- current stabilization parts；10- through holes；11- connecting rods；12- motor；13- slides；14- bone bars；
15- screw mandrels；16- blades；17- bases；18- tubular shells；Mounting seat before 19-；20- connection sheets；A- guiding pieces；B- current stabilization parts.
Specific embodiment
As shown in figure 1, automatic block-resistant molded breadth range flow instrument, including tubulose housing 1, set on the inwall of the housing 1
The downstream for having pressure sensor 2, the pressure sensor 2 is provided with turbine flow transducer, under the turbine flow transducer
Trip is provided with thermal convection acceleration sensor 8.Also include integrating instrument 4, the integrating instrument 4 and the pressure sensor 2, the turbine
Flow sensor and the thermal convection acceleration sensor 8 are electrically connected.Integrating instrument 4 switches turbine flow transducer and thermal convection current adds
Velocity sensor 8 carries out flow measurement, when turbine flow transducer can't detect gas flow or turbine flow transducer without
During method normal work, the switching thermal convection acceleration sensor of integrating instrument 4 is operated；The measurement range of flow instrument is improve, is protected
Flow instrument certainty of measurement is demonstrate,proved.The anti-block apparatus for preventing the turbine flow transducer from blocking are additionally provided with the housing 1, it is described
Anti-block apparatus include the bypass passageways 5 being arranged on the housing 1, and the upstream open of the bypass passageways 5 is located at the turbine
The front side of flow sensor turbine, the downstream opening of the bypass passageways 5 is just set to the turbine 6, in the upstream open
Magnetic valve 3 is provided with, the magnetic valve 3 is turned on and off under the control of the integrating instrument 4.When gathering a certain amount of powder on turbine 6
During the debris such as dirt, pressure sensor 2 can detect the abnormal boosting in turbine flow transducer front side, and now integrating instrument 4 is controlled
Magnetic valve 3 is opened, and gases at high pressure are directly blown on turbine 6 by bypass passageways 5, from the direction of gas flow to powder
Dirt is carried out blowing brush, and dust is blown off, and effectively avoids the blocking of turbine flow transducer.Further, the downstream opening edge
The inwall of the housing 1 it is tangentially-arranged, from downstream opening outflow gas tangentially enter the housing 1 inside.And to entrance
Gases at high pressure blow turbine rotation, whole turbine can be cleaned, anti-blocking.
In order to coordinate bypass passageways and ensure developing result, it is ensured that gases at high pressure flow to turbine sensor through bypass passageways 5
Rear side, the turbine flow transducer is provided with preceding conducting element, the inner chamber interference that preceding conducting element passes through tubular shell 18 and housing 1
Coordinate and be arranged on housing 1.The preceding conducting element is located at the upstream of the turbine 6, and the preceding conducting element is including guiding piece A and surely
Stream part B, the current stabilization part B are cylindrical shape, and connection sheet 20 is provided between current stabilization part B and tubular shell 18, and connection sheet 20 is along described
The circumference of current stabilization part B is uniformly distributed, and current stabilization part B is supported.It is provided with the current stabilization part B for supporting the turbine to install
The preceding mounting seat 19 of axle, the guiding piece A includes base 17, and several blades 16 are hinged with the circumference of the base 17, if
Dry blade 16 be connected successively, be stacked and form umbrella.The blade 16 towards being hinged with bone bar 14 on the side of the turbine 6,
The bone bar 14 is hinged on slide 13 away from one end of the blade 16, and the slide 13 is sleeved on screw mandrel 15, the silk
The one end of bar 15 is connected with motor 12, and the other end of the screw mandrel 15 is rotated with the base 17 and is connected.Guiding piece A is in motor
Slide 13 is driven to move left and right under 12 driving, blade 16 opens or pack up with moving left and right for slide 13.Draw when described
Outer wall when guiding element A is packed up with the current stabilization part B is connected to form drainage face, and drainage face guiding gas passes through from turbine 6；Work as institute
State guiding piece A and open and be connected with the inwall of the housing 1, air-flow is guided to the bypass passageways 5 completely, improve high pressure
The impulsive force of air-flow, improves scouring effect.
The turbine flow transducer is provided with rear conducting element 7, and the rear conducting element 7 is provided with through hole towards the side wall in downstream
10.The downstream of the through hole 10 is provided with the current stabilization part 9 of taper, and small the rectifying of the current stabilization part 9 is set to the through hole 10, described
Current stabilization part 9 is fixed on conducting element 7 in the rear by connecting rod 11.The gas part impacted after turbine after conducting element 7 with
Passed through between the inwall of housing 1, part can then enter turbine flow transducer inside via through holes 10 and flow to downstream, and current stabilization part 9 is effective
Distribution of the guarantee gas in housing 1, it is ensured that the test of thermal convection acceleration sensor is accurate.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (5)
1. automatic block-resistant molded breadth range flow instrument, it is characterised in that：Housing including tubulose, the inwall of the housing is provided with pressure
Force snesor, the downstream of the pressure sensor is provided with turbine flow transducer, and the downstream of the turbine flow transducer is provided with
Thermal convection acceleration sensor；Also include integrating instrument, the integrating instrument and the pressure sensor, the turbine flow transducer
Connected by wire with the thermal convection acceleration sensor；Being additionally provided with the housing prevents the turbine flow transducer from blocking up
The anti-block apparatus of plug, the anti-block apparatus include setting bypass passageways on the housing, and the upstream of the bypass passageways is opened
Mouthful be located at the front side of the turbine flow transducer, the downstream opening of the bypass passageways is just set to the turbine, it is described on
Trip opening is provided with magnetic valve, and the magnetic valve is turned on and off under the control of the integrating instrument.
2. automatic block-resistant molded breadth range flow instrument as claimed in claim 1, it is characterised in that：The turbine flow transducer sets
There is the preceding conducting element positioned at turbine upstream, the preceding conducting element includes guiding piece and current stabilization part, and the current stabilization part is cylindrical shape, institute
The preceding mounting seat being provided with current stabilization part for supporting the turbine installation axle is stated, the preceding mounting seat is solid by several connection sheets
It is scheduled in the current stabilization part；The guiding piece is located at the upstream of the upstream open of the bypass passageways, and the guiding piece includes bottom
Seat, is hinged with several blades in the circumference of the base, several described blades are connected form umbrella successively；The blade court
Bone bar is hinged with side to the turbine, the bone bar is hinged on slide away from one end of the blade, the slide
It is sleeved on screw mandrel, described screw mandrel one end is connected with motor, and the other end of the screw mandrel is connected with the base rotation, described
It is connected to form drainage face with the outer wall of the current stabilization part when guiding piece is packed up, the guiding piece opens and connects with the inwall of the housing
Connect and direct flow into the bypass passageways.
3. automatic block-resistant molded breadth range flow instrument as claimed in claim 1, it is characterised in that：The downstream opening is along the shell
The inwall of body it is tangentially-arranged, from downstream opening outflow gas tangentially enter the enclosure interior.
4. automatic block-resistant molded breadth range flow instrument as claimed in claim 1, it is characterised in that：The turbine flow transducer sets
There is rear conducting element, the rear conducting element is provided with through hole towards the side wall in downstream.
5. automatic block-resistant molded breadth range flow instrument as claimed in claim 4, it is characterised in that：The downstream of the through hole is provided with cone
The current stabilization part of shape, small the rectifying of the current stabilization part is set to the through hole, and the current stabilization part is fixed in the rear by connecting rod
On conducting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621339823.8U CN206208328U (en) | 2016-12-08 | 2016-12-08 | Automatic block-resistant molded breadth range flow instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621339823.8U CN206208328U (en) | 2016-12-08 | 2016-12-08 | Automatic block-resistant molded breadth range flow instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208328U true CN206208328U (en) | 2017-05-31 |
Family
ID=58746375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621339823.8U Expired - Fee Related CN206208328U (en) | 2016-12-08 | 2016-12-08 | Automatic block-resistant molded breadth range flow instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130865A (en) * | 2019-06-06 | 2019-08-16 | 中国地质科学院地质力学研究所 | A kind of push-and-pull switch component that can eliminate system compliance |
| CN112113344A (en) * | 2020-09-07 | 2020-12-22 | 华帝股份有限公司 | Control method of gas water heater and water heater applying control method |
-
2016
- 2016-12-08 CN CN201621339823.8U patent/CN206208328U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130865A (en) * | 2019-06-06 | 2019-08-16 | 中国地质科学院地质力学研究所 | A kind of push-and-pull switch component that can eliminate system compliance |
| CN110130865B (en) * | 2019-06-06 | 2023-12-29 | 中国地质科学院地质力学研究所 | Push-pull switch assembly capable of eliminating system flexibility |
| CN112113344A (en) * | 2020-09-07 | 2020-12-22 | 华帝股份有限公司 | Control method of gas water heater and water heater applying control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206248286U (en) | Gas leak tester | |
| CN206208328U (en) | Automatic block-resistant molded breadth range flow instrument | |
| CN201945336U (en) | Anti-clogging probe type pitot tube flowmeter | |
| CN204228210U (en) | A kind of wear-resisting type self-cleaning flow measurement device | |
| CN207816417U (en) | A kind of gas turbine meter detection device | |
| CN110124403A (en) | Pulse bag type dust collector broken bag intelligent detecting method | |
| CN106680184A (en) | Air filter material filtration performance testing device and testing method | |
| CN207516208U (en) | Gas-detecting device | |
| CN214680640U (en) | Bag collector of online control | |
| CN109490573B (en) | Material nondestructive flow velocity measuring method and monitoring device based on pipe network resistance characteristics in pneumatic conveying | |
| CN201477107U (en) | Device for measuring flow velocity and flow rate of gas under higher pressure | |
| CN208547386U (en) | A kind of Venturi nozzle | |
| CN103308106A (en) | Mass flowmeter for high-pressure inert gas extinguishing agent | |
| CN205958127U (en) | Carbide stove high temperature end flue gas temperature -detecting device | |
| CN109342042A (en) | A kind of detection device of rocker arm shaft of automobile engine oilhole connectivity | |
| CN206567922U (en) | A kind of structure for feeding back main axle cutter status information | |
| CN201517989U (en) | Measuring device of tow flying yarn quantity for smoke | |
| CN206291942U (en) | A kind of blowing type liquid level meter | |
| CN202710595U (en) | Plug-in type gas flow velocity measuring device | |
| CN205643378U (en) | Cleaning tube velocity of medium detection device | |
| CN201852604U (en) | Thermal gas mass flow meter | |
| CN207610733U (en) | A kind of novel anti-stuck turbine flowmeter of impeller | |
| CN204288023U (en) | Be applied to multiple air-flow supervising devices of Biohazard Safety Equipment | |
| CN209356528U (en) | A kind of miniaturization high temperature wind speed feeler lever | |
| CN208795628U (en) | A kind of dust concentration monitoring device and its venturi-type sensor |
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: 20170531 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |