CN108398170A - The exhaust detection structure of water meter and scale detection device - Google Patents
The exhaust detection structure of water meter and scale detection device Download PDFInfo
- Publication number
- CN108398170A CN108398170A CN201810060186.8A CN201810060186A CN108398170A CN 108398170 A CN108398170 A CN 108398170A CN 201810060186 A CN201810060186 A CN 201810060186A CN 108398170 A CN108398170 A CN 108398170A
- Authority
- CN
- China
- Prior art keywords
- detection
- exhaust
- flowmeter
- detection device
- water meter
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K19/00—Testing or calibrating calorimeters
Abstract
The present invention relates to the detection devices of a kind of water meter and calorimeter, more particularly, to the exhaust detection structure of a kind of water meter and scale detection device.Including flow switching valve, monitor station outlet pipe, flowmeter oral siphon, exhaust pipe and bubble detection device, flow switching valve has been provided with entrance, monitor station outlet and exhaust outlet for being switched over to flow direction on flow switching valve；Monitor station outlet pipe is connected with monitor station outlet；Flowmeter oral siphon is connected with flow conversion valve inlet；Exhaust pipe is connected with exhaust outlet；Bubble detection device is arranged on flowmeter oral siphon.The present invention has and can carry out bubble detection, to carrying out the advantageous effect such as handling with bladdery liquid to sealing liquid in lighttight pipeline.
Description
Technical field
The present invention relates to the detection devices of a kind of water meter and calorimeter, more particularly, to a kind of water meter and scale detection device
Exhaust detection structure.
Background technology
Current water meter, calorimeter, flowmeter are required for carrying out manufacture calibrating onto calibrating installation before manufacture, when tested
When table is examined and determine, after table is installed to monitor station clamping, need, by the air emptying in pipeline, generally to pass through the flow after monitor station
Meter component is exhausted, and for this process time at 10 minutes or so, the duct size of flow meter assembly was uneven, influences exhaust velocity
And exhaust quality, a wave table is often detected in this way, and ten minutes or longer time is just needed to be exhausted, exhaust efficiency and matter
It measures poor；And original exhaust needs various pneumatic operated valves, hand-operated valve, elbow etc. by detection device rear end, is easy to exist
Net impacts are not calibrated for exhaust；The medium that original exhaust mode air or air water mix simultaneously can proceed directly to flowmeter, claim
It water tank and then impacts on electronic scale, the flowmeter and electronic scale used in detection device are a kind of very accurate equipment as marking
What quasi- value was calibrated to instrument, so impact year in year out has very big influence to its measuring accuracy.
And in the prior art, the general influence by visual observation or by bubble to light is detected to bubble in pipeline
It is detected, such as Chinese patent Authorization Notice No.：202740517 U of CN are in a kind of woven hose disclosed on 2 20th, 2013
Bubble detection device, including one at the shell of concave, light emitting diode, phototriode and and woven hose, shell packet
Two lateral mass and a bottom edge are included, the lower end of two lateral mass is mutually fixed with the both ends on bottom edge respectively, and one is formed between two lateral mass
A groove, the width of groove are slightly less than the outer diameter of woven hose, each there are one cavity in two lateral mass, and hair is installed with respectively in cavity
Optical diode and phototriode respectively have on the side wall towards groove of two lateral mass a thang-kng seam, woven hose to be stuck in groove
Between thang-kng seam on interior two side.When thering is bubble to pass through in woven hose, the beginning and tail end of bubble and the interface of liquid
Reflection and refraction action the light for reaching phototriode is reduced, the electric current of phototriode changes, and indicates bubble
Presence.This patent is detected bubble in pipeline external setting optical sensor, with the proviso that pipeline itself can pass through light
Beam, can not be suitable for can not light transmission pipeline.And the patent is not for the processing method of the liquid with bubble.
Invention content
The present invention is intended to provide one kind can carry out bubble detection and to carrying gas to sealing liquid in lighttight pipeline
The exhaust detection structure of water meter and scale detection device that the liquid of bubble is handled, including the water outlet of flow switching valve, monitor station
Pipe, flowmeter oral siphon, exhaust pipe and bubble detection device, for being switched over to flow direction, flow turns flow switching valve
It changes on valve and has been provided with entrance, monitor station outlet and exhaust outlet；Monitor station outlet pipe is connected with monitor station outlet；Flowmeter
Oral siphon is connected with flow conversion valve inlet；Exhaust pipe is connected with exhaust outlet；Bubble detection device setting is included in flow
On water pipe.When with bladdery flow, from flowmeter oral siphon into fashionable, bubble detection device is detected judgement to flow, sentences
Flow switching valve is controlled after the completion of disconnected.If being to cut flow switching valve with bladdery flow into fashionable flow
Shift to exhaust outlet one end so that flowed out from exhaust outlet with bladdery flow, flow into exhaust pipe；If into fashionable water
Stream is without bubble or when the flow with the bubble under the content set by bubble detection device, then flow to be converted Vavle switching
It is flowed out to monitor station exit end, flows into monitor station outlet pipe.
Preferably, the bubble detection device includes：Several detection circuits and control device, detection circuit setting exist
Inside flowmeter oral siphon；Control device is connected with detection circuit and is connected with flow switching valve.Detection circuit is responsible for detecting water
Air bubble content data in flow are simultaneously sent in control device by air bubble content in stream, and control device sends detection circuit
Data and control device in preset data be compared to judge the switching direction of flow switching valve.
Preferably, the detection circuit includes：Potentiometer measuring device, power supply, positive detection conducting wire and negative detection conducting wire, electricity
Pressure meter is connected with control device；Power supply is connected with current meter；Positive detection wrapped in wire has an insulation crust, one end with
Power supply is connected, and the other end is connected with flowmeter pipe inner wall；Negative detection wrapped in wire has insulation crust, one end and potentiometer
Measuring device is connected, and the other end is connected with flowmeter pipe inner wall.By the structure for the similar capacitance that positive and negative detection conducting wire is constituted, make just
Bubble between negative conductor can be detected by potentiometer measuring device.
Preferably, the positive detection conducting wire is parallel with negative detection conducting wire.Parallel positive and negative detection conducting wire can make inspection
Measured data is more stable.
Preferably, the detection circuit is arranged in parallel on flowmeter oral siphon sectional plane.Flowmeter oral siphon
Section is the vertical plane of water (flow) direction, and the Transverse to the flow direction arrangement of detection circuit advantageously reduces detection circuit and produced to flow
Raw interference.
Preferably, the distance between described detection circuit be more than between positive detection conducting wire and negative detection conducting wire away from
From.The distance between detection circuit needs to ensure that excessive interference will not occur between them.
Preferably, the flow switching valve is Pneumatic three-way valve.
Preferably, being additionally provided with transparent observing room on the exhaust pipe.Transparent observing room can observe by the naked eye
To whether there is bubble in exhaust pipe to combine whether the data in control device have excessive deviation.
Preferably, the positive detection conducting wire is long axis and flowmeter oral siphon axis with negative detection conductor cross-section shell
The parallel ellipse of line.The cross-sectional outer of ellipse can reduce resistance of the device to flow.
Preferably, the bubble detection device further includes support bar, support bar setting is in just detection conducting wire
Nearly flow switching valve one end, the support bar axis direction are perpendicular to positive detection conducting wire axis direction, the support bar
Insulating materials, the support bar section are the long axis ellipse parallel with flowmeter oral siphon axis.Support bar can ensure
Positive and negative detection conducting wire will not generate large deformation to influence the data of control device acquisition because of water impact.
In conclusion the invention has the advantages that：After table, which is installed to, to be clamped on monitor station, start pneumatic three when exhaust
Port valve is by switch conversion to exhaust pipe, when bubble detection device detects the mixture of air and water, air in pipeline and
Aqueous mixtures are directly transferred to exhaust pipe by Pneumatic three-way valve, and enter back into the method that flowmeter is vented without rear end pipe road.
Transparent observing room is set on exhaust pipe, and control device driving triple valve is turned back at flowmeter oral siphon after gas empties, i.e.,
Table status is surveyed, outlet conduit is examined and determine in connection rear end, improves exhaust velocity and inspection table efficiency.Exhaust structure is directly by gas and flow
Mixture is discharged to water tank, avoids the impact to flowmeter and electronic scale, improves the operational reliability and accuracy of equipment, subtracts
Security risk is lacked.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention
Fig. 2 is the schematic diagram of detection circuit in the present invention.
It illustrates：1- Pneumatic three-way valves, 2- monitor station outlet pipes, 3- exhaust pipes, 4- flowmeter oral siphons, 5- detection electricity
Road, 6- control devices, 7- just detect conducting wire, and 8-, which is born, detects conducting wire, 9- potentiometer measuring devices, 10- power supplys, 11- support bars, and 12- is saturating
Bright observation ward.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：Such as Fig. 1, shown in 2, a kind of exhaust detection structure of water meter and scale detection device, including flow are converted
Valve, monitor station outlet pipe 2, flowmeter oral siphon 4, exhaust pipe 3 and bubble detection device, flow switching valve are used for flow direction
It switches over, entrance, monitor station outlet and exhaust outlet has been provided on flow switching valve；Monitor station outlet pipe and monitor station
Outlet is connected；Flowmeter oral siphon is connected with flow conversion valve inlet；Exhaust pipe is connected with exhaust outlet；Bubble detection device
It is arranged on flowmeter oral siphon.Bubble detection device includes：Several detection circuits 5 and control device 6, detection circuit setting exist
Inside flowmeter oral siphon；Control device is connected with detection circuit and is connected with flow switching valve.Detection circuit includes：Potentiometer
Measuring device 9, power supply 10, positive detection conducting wire 7 and negative detection conducting wire 8, potentiometer measuring device are connected with control device；Power supply is measured with electric current
Device is connected；Positive detection wrapped in wire has insulation crust, one end to be connected with power supply, the other end and flowmeter pipe inner wall phase
Even；Negative detection wrapped in wire has insulation crust, one end to be connected with potentiometer measuring device, the other end and flowmeter pipe inner wall phase
Even.Positive detection conducting wire is parallel with negative detection conducting wire.Detection circuit is arranged in parallel on flowmeter oral siphon sectional plane.Detection electricity
The distance between road is more than the distance between positive detection conducting wire and negative detection conducting wire.Flow switching valve is Pneumatic three-way valve 1.Exhaust
Transparent observing room 12 is additionally provided on pipe.Positive detection conducting wire is long axis and flowmeter oral siphon with negative detection conductor cross-section shell
The parallel ellipse of axis.Bubble detection device further includes support bar 11, and support bar setting is in the nearly flow conversion of just detection conducting wire
Valve one end, for support bar axis direction perpendicular to positive detection conducting wire axis direction, support bar is insulating materials, and support bar section is length
The axis ellipse parallel with flowmeter oral siphon axis.Detection circuit is responsible for the air bubble content detected in flow and will be in flow
Air bubble content data are sent in control device, and control dress is worked as with bladdery flow from flowmeter oral siphon into fashionable, bubble
Detection device is detected judgement to flow, is controlled flow switching valve after the completion of judgement.If being band into fashionable flow
Flow switching valve is then switched to exhaust outlet one end by bladdery flow so that is gone out from exhaust pipe with bladdery flow
Mouth outflow, flows into exhaust pipe；If being without bubble or under the content set by bubble detection device into fashionable flow
When the flow of bubble, then flow switching valve is switched into the outflow of monitor station exit end, flow into monitor station outlet pipe.Setting will detect
Preset data are compared to judge the switching direction of flow switching valve in data and control device that circuit is sent.By positive and negative
The structure for detecting the similar capacitance that conducting wire is constituted, enables the bubble between positive negative conductor detected by potentiometer measuring device.It is parallel
Positive and negative detection conducting wire detection data can be made more stable.Flowmeter oral siphon section is the vertical plane of water (flow) direction, inspection
The Transverse to the flow direction arrangement of slowdown monitoring circuit advantageously reduces the interference that detection circuit generates flow.The distance between detection circuit
It needs to ensure that excessive interference will not occur between them.Whether transparent observing room can observe by the naked eye in exhaust pipe has
Bubble is to combine whether the data in control device have excessive deviation.The cross-sectional outer of ellipse can reduce device to water
The resistance of stream.Support bar can ensure that positive and negative detection conducting wire will not generate large deformation to influence control because of water impact
The data that device processed obtains.
It should be understood that being somebody's turn to do, examples are only for illustrating the present invention and not for limiting the scope of the present invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (10)
1. the exhaust detection structure of a kind of water meter and scale detection device, which is characterized in that including：
Flow switching valve has entrance, monitor station outlet and exhaust outlet for being switched over to flow direction；
Monitor station outlet pipe is connected with monitor station outlet；
Flowmeter oral siphon is connected with flow conversion valve inlet；
Exhaust pipe is connected with exhaust outlet；
Bubble detection device is arranged on flowmeter oral siphon.
2. the exhaust detection structure of water meter according to claim 1 and scale detection device, which is characterized in that the gas
Steeping detection device includes：
Several detection circuits are arranged inside flowmeter oral siphon；
Control device is connected with detection circuit, is connected with flow switching valve.
3. the exhaust detection structure of water meter according to claim 2 and scale detection device, which is characterized in that the inspection
Slowdown monitoring circuit includes：
Potentiometer measuring device, is connected with control device；
Power supply is connected with current meter；
Positive detection conducting wire, is enclosed with insulation crust, one end is connected with power supply, and the other end is connected with flowmeter pipe inner wall；
Negative detection conducting wire, is enclosed with insulation crust, one end is connected with potentiometer measuring device, the other end and flowmeter pipe inner wall phase
Even.
4. the exhaust detection structure of water meter according to claim 3 and scale detection device, which is characterized in that it is described just
It is parallel with negative detection conducting wire to detect conducting wire.
5. the exhaust detection structure of the water meter and scale detection device according to Claims 2 or 3 or 4, which is characterized in that institute
The detection circuit stated is arranged in parallel on flowmeter oral siphon sectional plane.
6. the exhaust detection structure of water meter according to claim 5 and scale detection device, feature with the inspection
The distance between slowdown monitoring circuit is more than the distance between positive detection conducting wire and negative detection conducting wire.
7. the exhaust detection structure of water meter according to claim 1 or 2 or 3 or 4 and scale detection device, feature exist
In the flow switching valve is Pneumatic three-way valve.
8. the exhaust detection structure of water meter according to claim 1 or 2 or 3 or 4 and scale detection device, feature exist
In being additionally provided with transparent observing room on the exhaust pipe.
9. the exhaust detection structure of water meter according to claim 3 or 4 and scale detection device, which is characterized in that described
Positive detection conducting wire with negative detection conductor cross-section shell be the long axis ellipse parallel with flowmeter oral siphon axis.
10. the exhaust detection structure of water meter according to claim 9 and scale detection device, which is characterized in that described
Bubble detection device further includes support bar, and support bar setting is just detecting conducting wire nearly flow switching valve one end, described
Support bar axis direction is insulating materials perpendicular to positive detection conducting wire axis direction, the support bar, and the support bar is cut
Face is the long axis ellipse parallel with flowmeter oral siphon axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060186.8A CN108398170A (en) | 2018-01-22 | 2018-01-22 | The exhaust detection structure of water meter and scale detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060186.8A CN108398170A (en) | 2018-01-22 | 2018-01-22 | The exhaust detection structure of water meter and scale detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108398170A true CN108398170A (en) | 2018-08-14 |
Family
ID=63094090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810060186.8A Pending CN108398170A (en) | 2018-01-22 | 2018-01-22 | The exhaust detection structure of water meter and scale detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108398170A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091105A (en) * | 2005-08-12 | 2007-12-19 | 迅捷公司 | Flow measurement and control with bubble detection |
| CN101769771A (en) * | 2010-01-29 | 2010-07-07 | 浙江大学 | Aeroacoustics principle-based flow rate measurement device and method thereof |
| CN204147422U (en) * | 2014-10-09 | 2015-02-11 | 高超 | A kind of secondary filter Medical tee joint |
| CN205580573U (en) * | 2015-11-12 | 2016-09-14 | 杭州中沛电子有限公司 | Water gauge and calorimeter detection device's exhaust structure |
| CN206450271U (en) * | 2016-11-21 | 2017-08-29 | 成都安特诺科技有限公司 | Supersonic reflectoscope, bubble detection and removal device and bubble removal device |
| CN107530530A (en) * | 2015-02-27 | 2018-01-02 | 迈奎特心肺有限公司 | Measurement of fluid flow and bubble detection device |
-
2018
- 2018-01-22 CN CN201810060186.8A patent/CN108398170A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091105A (en) * | 2005-08-12 | 2007-12-19 | 迅捷公司 | Flow measurement and control with bubble detection |
| CN101769771A (en) * | 2010-01-29 | 2010-07-07 | 浙江大学 | Aeroacoustics principle-based flow rate measurement device and method thereof |
| CN204147422U (en) * | 2014-10-09 | 2015-02-11 | 高超 | A kind of secondary filter Medical tee joint |
| CN107530530A (en) * | 2015-02-27 | 2018-01-02 | 迈奎特心肺有限公司 | Measurement of fluid flow and bubble detection device |
| CN205580573U (en) * | 2015-11-12 | 2016-09-14 | 杭州中沛电子有限公司 | Water gauge and calorimeter detection device's exhaust structure |
| CN206450271U (en) * | 2016-11-21 | 2017-08-29 | 成都安特诺科技有限公司 | Supersonic reflectoscope, bubble detection and removal device and bubble removal device |
Non-Patent Citations (1)
| Title |
|---|
| 朱伟民 等: "三电极差分电容式PCB用于通道内流体孔隙率检测", 《现代电子技术》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202008432U (en) | Device for detecting passage flow capacity inside turbine blade through adopting constant volume water flow rate | |
| CN207051233U (en) | A kind of simple online electrical conductivity detection servicing unit | |
| CN104501917B (en) | Super large caliber sonic nozzle group formula gas flowmeter calibrating installation | |
| CN108398170A (en) | The exhaust detection structure of water meter and scale detection device | |
| CN206074389U (en) | A kind of buoyancy type liquid density measuring equipment | |
| CN105486359A (en) | Flow velocity and pressure integral measuring instrument using Pitot tube method | |
| CN201607422U (en) | Automatic cleaning device of glass electrode of sewage pH meter | |
| CN214310286U (en) | Plug-in type online detection device | |
| CN206847738U (en) | A kind of water meter calibration | |
| CN111773023A (en) | Water channel emptying and drying device for otolaryngological comprehensive treatment table | |
| CN212409796U (en) | Electromagnetic flowmeter suitable for low velocity of flow | |
| CN105136876B (en) | A kind of P that can quickly measure2O5Micro- water sensor | |
| CN205580573U (en) | Water gauge and calorimeter detection device's exhaust structure | |
| CN102798444A (en) | High-pressure water injection meter detecting device | |
| CN104777190B (en) | A kind of on-line water flushing device of compressed air humidity | |
| CN210136211U (en) | Quick analytical equipment of low temperature tank wagon dress product that fills | |
| CN211504341U (en) | Automatic exhaust device and flowmeter verification equipment | |
| CN207215404U (en) | A kind of mixing wastewater with air valve detection device | |
| CN102539153A (en) | Device for detecting flow capacity of passage in turbine blade by adopting fixed volume water flow | |
| CN208595932U (en) | A kind of flow measurement device | |
| CN104990646A (en) | Heat energy meter pressure loss measurement device | |
| CN206209385U (en) | Double explosive barrel chemical liquid added automatically systems | |
| CN204556554U (en) | A kind of on-line water flushing device of pressurized air humidity | |
| CN210322711U (en) | Automatic metering device of concrete impermeability instrument | |
| CN218787977U (en) | Thermal power plant's desulfurization gypsum thick liquid density measurement system |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |