CN205843736U - One changes effusion meter online - Google Patents
One changes effusion meter online Download PDFInfo
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- CN205843736U CN205843736U CN201620694316.XU CN201620694316U CN205843736U CN 205843736 U CN205843736 U CN 205843736U CN 201620694316 U CN201620694316 U CN 201620694316U CN 205843736 U CN205843736 U CN 205843736U
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- probe
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Abstract
The utility model discloses one and change effusion meter online, including: 2 flow-meter probe and measurement two ingredients of main frame, 2 flow-meter probe are probe A respectively, probe B, wherein probe A is identical with probe B structure, flow-meter probe A and probe B outer layer are housing, it is provided with ultrasonic transducer in enclosure interior, this utility model probe A and probe B are symmetrical structure, and probe A and probe B are the most dismountable, need not break pipe, be not required to cut off the water when installing and change, reliable operation, stable performance.
Description
Technical field
This utility model relates to field of fluid measurement, particularly relates to one and changes effusion meter online.
Background technology
Industry measurement is industrial important component part, along with industrial expansion, to the accuracy of flow measurement and
Area requirement is more and more higher, and existing effusion meter is of a great variety, as differential pressure flowmeter, spinner flowmeter, restriction flowmeter,
Slit flowmeter, volume-displacement, electromagnetic flowmeter, ultrasonic flowmeter etc., these effusion meters are widely used in power plant, oil
The industries such as the process of natural gas, petrochemical industry, water, pharmacy, the energy, metallurgy, paper pulp papermaking, wherein, ultrasonic flowmeter development is fast
Speed, ultrasonic flowmeter is a kind of non-contact measurement instrument, can be used to measure be difficult to contact, be difficult to the fluid flow observed and
Large-caliber flow, it will not change the flow regime of fluid, will not produce the pressure loss, and be easily installed.
In power plant's industry, flow meter applications is extensive, and such as the measurement of recirculated water, effusion meter prescription is high, thermal power generation
Each steam turbine of factory is equipped with corresponding water circulating pump, and its effect is to turbine condenser supply cooling water, in order to cool down
Solidifying gas-turbine steam discharge, additionally, water circulating pump also will be to oil cooler, cool-air device, the equipment such as ash-flushing water provides water source, circulating pump
It is not usually required to provide the biggest pressure, the cooling medium of big flow is mainly provided, so that power plant runs well, recirculated water
Pump must assure that normal work, and the purpose of this utility model provides a kind of ultrasonic flowmeter, can adapt in steam power plant field
The measurement work requirements of electric power plant circulating water, and in changing ultrasound probe, can canbe used on line change, compared with existing flow
Meter, improves work efficiency, and does not affect the work of water circulation.
Utility model content
This utility model, mainly solving the technical problems that provide one to change effusion meter online, uses and changes insertion online
Formula ultrasound probe, flowmeter design is compact.
Described one changes effusion meter online, including: 2 flow-meter probe and measurement two ingredients of main frame, 2
Flow-meter probe is probe A respectively, probe B, and wherein probe A is identical with probe B structure.The described a kind of online more change of current
Gauge, as it is shown in figure 1, flow-meter probe A and probe B outer layer are housing, is provided with ultrasonic transducer in enclosure interior, ultrasonic changes
Can device be to utilize the piezoelectric effect of material to realize electric energy, the transducer of acoustic energy conversion, flow-meter probe be arranged on fluid line,
Being fixed by fixing fitting, fixing fitting uses flange arrangement, is provided with sensor, is used for visiting in flow-meter probe A and probe B
Survey signal source, be provided with cable module in flow-meter probe A and probe B two ends.
It is provided with transducer piezoelectric chip in ultrasonic transducer, and is provided with emitter and receptor, transducer piezo crystals
Critical component in sheet is wafer, and wafer is a monocrystalline with piezoelectric effect or polycrystal thin slice, its effect be by
Electric energy and acoustic energy are changed mutually.Probe can select normal probe or angle probe, and normal probe is divided into monocrystalline compressional wave normal probe with double
Brilliant compressional wave normal probe, angle probe is twin crystal transverse wave double-bevel detector, and is provided with wedge in excusing from death wave transducer one end, and wedge uses
Lucite makes.
Ultrasonic flowmeter uses time difference type measuring principle: when ultrasonic beam is propagated in a liquid time, the flowing of liquid
The propagation time will be made to produce minor variations, and the change in propagation time is proportional to the flow velocity of liquid.When zero delivery, two sensings
The transmitting of device probe is identical with the time received required for ripple, when fluid flowing, and the acoustic transit time of countercurrent direction
More than the acoustic transit time of downbeam, after a probe transmitting signal passes tube wall, medium, opposite side tube wall, by another
Individual probe receives, and meanwhile, second same signal of launching of probe is received by first probe, due to by velocity of medium
Impact, there is time difference Δ t, can draw the conversion relation V=(C2/ between flow velocity V and time difference Δ t according to calculating in the two
2L) × Δ t, and then flow value Q can be obtained.
The measurement scope of ultrasonic flowmeter is big, and caliber scope can be measured various from 20mm～5m. ultrasonic flowmeter
Liquid and the discharge of sewage, the volume flow of ultrasonic flow rate measurement amount is not by temperature, pressure, viscosity and the density of detected fluid
Impact Deng thermal physical property parameter.
Ultrasonic transducer converts electrical energy into ultrasonic energy, is transmitted in detected fluid, and receptor receives
Ultrasonic signal, by connection to measuring main frame, measure in main frame and be provided with electronic data unit and electronic circuit, warp
Electronic circuit amplifies, and is converted to represent the signal of telecommunication of flow after amplification, shows on the display module measuring main frame, thus real
Detection and the display of flow are showed.
Described measurement main frame connects and is provided with Chinese screen, be set to 4 row × 12 word Chinese screens and show, directly
Display menu and flow, simple and clear.
And it is provided with control panel measuring on main frame, control panel arranges functional keys
Including RUN button, under any state, press this key and enter measuring state, CTL button, enter parameter and state is set.
MENU button, it is invalid to be used alone under measuring state and test mode, only uses with CTL key combination, could realize various
Feature operation.Printer setup button, it is possible to print measurement data.Self-resetting button, can be normal when sending a telegram here the most again
Work, and can guarantee that former data on flows is not lost.Coded lock button, determines parameter, and can automatically record power failure and zero delivery
Time, prevent artificial abnormal operation.
This utility model probe A and probe B are symmetrical structure, and probe A and probe B are the most dismountable,
Pipe need not be broken when installing and change, be not required to cut off the water, as shown in Figure 3: probe A and probe B include that popping one's head in connecting rod A connects with popping one's head in
Two ingredients of bar B, wherein probe connecting rod A connects as one with ultrasonic transducer, probe connecting rod B by flange and
Pipeline connects as one, and is provided with connecting rod A and connects screw thread and connecting rod A rotation threaded block, at probe in probe connecting rod A
It is provided with manual ball valve in connecting rod B and connecting rod B connects threaded block.
Wherein, when probe is connected with pipeline, it is female thread and external screw thread dual structure that connecting rod B connects threaded block,
The female thread of connecting rod B and connecting rod A connect threaded engagement, and it is external thread structure that connecting rod A connects screw thread.Outside connecting rod B
Screw thread and connecting rod A rotate threaded block and coordinate, and connecting rod A rotates threaded block and is fixed in connecting rod A, and connecting rod A rotates screw thread
Block is provided with female thread structure, makes connecting rod A and connecting rod B be an entirety by helicitic texture, in like manner, at disassembly status
Under, by screw thread, connecting rod A is separated with connecting rod B.
In connecting rod A and the separation process of connecting rod B, lock manual ball valve, prevent pipe leakage, in connecting rod A and company
In extension bar B connection procedure, decontrol manual ball valve, thus realize the measurement work of probe.
A kind of optimal technical scheme, as shown in Figure 4, manual ball valve can also be chosen as hand sluice valve version.
The work process of ultrasonic flowmeter is as follows:
The first step: launched by piezoelectric effect, receive ultrasound wave.
The alternating voltage of second step: 640V adds to piezoelectric chip silver layer, makes the two nugget of area same intervals certain distance
Belonging to pole plate brings equivalent xenogenesis electric charge to form electric field respectively, has electric field to exist for electric field force, at electricity at piezoelectric chip in the electric field
Deform upon under the effect of field force, under the effect of alternating electric field power, the effect deformed, referred to as inverse piezoelectric effect, be also
Launch the process of ultrasound wave.
3rd step: ultrasound wave is mechanical wave, mechanical wave is produced by vibration, and ultrasound wave finds that defect causes defect to shake
Dynamic, a portion, along backtracking, owing to ultrasound wave has certain energy, remakes and uses on piezoquartz, make piezo crystals
Body draws at alternation, produce alternating electric field under pressure effect, and this effect is referred to as direct piezoelectric effect, is the process receiving ultrasound wave.
The beneficial effects of the utility model are: this utility model one changes effusion meter, reliable operation online, and performance is steady
Fixed, not only apply in power industry, it is also possible to be widely used in water conservancy, oil, chemical industry, metallurgy, cold air/hot-water heating system, and adopt
Installing with tiing up outward formula, need not consider pipe diameter size, need not break pipe, be not required to cut off the water when installing and change, safe and reliable, no pressure damages
Lose, wear-resistant, corrosion-resistant.
Accompanying drawing explanation
Fig. 1 is a kind of online replacing flow meters work schematic diagram 1 of this utility model；
Fig. 2 is a kind of online replacing flow meters work schematic diagram 2 of this utility model；
Fig. 3 is a kind of online replacing flow-meter probe structure chart 1 of this utility model；
Fig. 4 is a kind of online replacing flow-meter probe structure chart 2 of this utility model；
In accompanying drawing, the labelling of each parts is as follows:
1 is fluid passage, and 2 is probe A, and 3 is probe B, and 4 is sensor, and 5 is cable, and 6 for measuring main frame, and 7 is flange, 8
For display screen, 9 control panels, 10 is ultrasonic transducer, and 11 is manual ball valve, and 12 is probe connecting rod A, and 13 is probe connecting rod
B, 14 connect threaded block for connecting rod B, and 15 connect screw thread for connecting rod A, and 16 rotate threaded block for connecting rod A, and 17 is manual brake
Valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, thus protection domain of the present utility model is made apparent clearly
Define.
Referring to Fig. 1 to Fig. 4, this utility model embodiment includes:
Described one changes effusion meter online, including: 2 flow-meter probe and measurement two ingredients of main frame, 2
Flow-meter probe is probe A respectively, probe B, and wherein probe A is identical with probe B structure.The described a kind of online more change of current
Gauge, as it is shown in figure 1, flow-meter probe A and probe B outer layer are housing, is provided with ultrasonic transducer in enclosure interior, ultrasonic changes
Can device be to utilize the piezoelectric effect of material to realize electric energy, the transducer of acoustic energy conversion, flow-meter probe be arranged on fluid line,
Being fixed by fixing fitting, fixing fitting uses flange arrangement, is provided with sensor, is used for visiting in flow-meter probe A and probe B
Survey signal source, be provided with cable module in flow-meter probe A and probe B two ends.
It is provided with transducer piezoelectric chip in ultrasonic transducer, and is provided with emitter and receptor, transducer piezo crystals
Critical component in sheet is wafer, and wafer is a monocrystalline with piezoelectric effect or polycrystal thin slice, its effect be by
Electric energy and acoustic energy are changed mutually.Probe can select normal probe or angle probe, and normal probe is divided into monocrystalline compressional wave normal probe with double
Brilliant compressional wave normal probe, angle probe is twin crystal transverse wave double-bevel detector, and is provided with wedge in excusing from death wave transducer one end, and wedge uses
Lucite makes.
Ultrasonic flowmeter uses time difference type measuring principle: when ultrasonic beam is propagated in a liquid time, the flowing of liquid
The propagation time will be made to produce minor variations, and the change in propagation time is proportional to the flow velocity of liquid.When zero delivery, two sensings
The transmitting of device probe is identical with the time received required for ripple, when fluid flowing, and the acoustic transit time of countercurrent direction
More than the acoustic transit time of downbeam, after a probe transmitting signal passes tube wall, medium, opposite side tube wall, by another
Individual probe receives, and meanwhile, second same signal of launching of probe is received by first probe, due to by velocity of medium
Impact, there is time difference Δ t, can draw the conversion relation V=(C2/ between flow velocity V and time difference Δ t according to calculating in the two
2L) × Δ t, and then flow value Q can be obtained.
The measurement scope of ultrasonic flowmeter is big, and caliber scope can be measured various from 20mm～5m. ultrasonic flowmeter
Liquid and the discharge of sewage, the volume flow of ultrasonic flow rate measurement amount is not by temperature, pressure, viscosity and the density of detected fluid
Impact Deng thermal physical property parameter.
Ultrasonic transducer converts electrical energy into ultrasonic energy, is transmitted in detected fluid, and receptor receives
Ultrasonic signal, by connection to measuring main frame, measure in main frame and be provided with electronic data unit and electronic circuit, warp
Electronic circuit amplifies, and is converted to represent the signal of telecommunication of flow after amplification, shows on the display module measuring main frame, thus real
Detection and the display of flow are showed.
Described measurement main frame connects and is provided with Chinese screen, be set to 4 row × 12 word Chinese screens and show, directly
Display menu and flow, simple and clear.
And it is provided with control panel measuring on main frame, control panel arranges functional keys
Including RUN button, under any state, press this key and enter measuring state, CTL button, enter parameter and state is set.
MENU button, it is invalid to be used alone under measuring state and test mode, only uses with CTL key combination, could realize various
Feature operation.Printer setup button, it is possible to print measurement data.Self-resetting button, can be normal when sending a telegram here the most again
Work, and can guarantee that former data on flows is not lost.Coded lock button, determines parameter, and can automatically record power failure and zero delivery
Time, prevent artificial abnormal operation.
This utility model probe A and probe B are symmetrical structure, and probe A and probe B are the most dismountable,
Pipe need not be broken when installing and change, be not required to cut off the water, as shown in Figure 3: probe A and probe B include that popping one's head in connecting rod A connects with popping one's head in
Two ingredients of bar B, wherein probe connecting rod A connects as one with ultrasonic transducer, probe connecting rod B by flange and
Pipeline connects as one, and is provided with connecting rod A and connects screw thread and connecting rod A rotation threaded block, at probe in probe connecting rod A
It is provided with manual ball valve in connecting rod B and connecting rod B connects threaded block.
Wherein, when probe is connected with pipeline, it is female thread and external screw thread dual structure that connecting rod B connects threaded block,
The female thread of connecting rod B and connecting rod A connect threaded engagement, and it is external thread structure that connecting rod A connects screw thread.Outside connecting rod B
Screw thread and connecting rod A rotate threaded block and coordinate, and connecting rod A rotates threaded block and is fixed in connecting rod A, and connecting rod A rotates screw thread
Block is provided with female thread structure, makes connecting rod A and connecting rod B be an entirety by helicitic texture, in like manner, at disassembly status
Under, by screw thread, connecting rod A is separated with connecting rod B.
In connecting rod A and the separation process of connecting rod B, lock manual ball valve, prevent pipe leakage, in connecting rod A and company
In extension bar B connection procedure, decontrol manual ball valve, thus realize the measurement work of probe.
A kind of optimal technical scheme, as shown in Figure 4, manual ball valve can also be chosen as hand sluice valve version.
The work process of ultrasonic flowmeter is as follows:
The first step: launched by piezoelectric effect, receive ultrasound wave.
The alternating voltage of second step: 640V adds to piezoelectric chip silver layer, makes the two nugget of area same intervals certain distance
Belonging to pole plate brings equivalent xenogenesis electric charge to form electric field respectively, has electric field to exist for electric field force, at electricity at piezoelectric chip in the electric field
Deform upon under the effect of field force, under the effect of alternating electric field power, the effect deformed, referred to as inverse piezoelectric effect, be also
Launch the process of ultrasound wave.
3rd step: ultrasound wave is mechanical wave, mechanical wave is produced by vibration, and ultrasound wave finds that defect causes defect to shake
Dynamic, a portion, along backtracking, owing to ultrasound wave has certain energy, remakes and uses on piezoquartz, make piezo crystals
Body draws at alternation, produce alternating electric field under pressure effect, and this effect is referred to as direct piezoelectric effect, is the process receiving ultrasound wave.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description and accompanying drawing content made, or be directly or indirectly used in
Other relevant technical fields, are the most in like manner included in scope of patent protection of the present utility model.
Claims (2)
1. an online replacing effusion meter, it is characterised in that including: 2 flow-meter probe and measurement two ingredients of main frame,
2 flow-meter probe are probe A respectively, probe B, and probe A and probe B outer layer are housing, are provided with ultrasonic changing in enclosure interior
Energy device, flow-meter probe is arranged on fluid line, is fixed by fixing fitting, and fixing fitting uses flange arrangement, effusion meter
It is provided with sensor in probe A and probe B, is provided with cable module, ultrasonic transducer in flow-meter probe A and probe B two ends
Inside it is provided with transducer piezoelectric chip, and is provided with emitter and receptor, the ultrasonic signal that receptor receives, passes through line
Road is connected to measure main frame, is provided with electronic data unit and electronic circuit in measuring main frame, amplifies through electronic circuit, after amplification
Be converted to represent the signal of telecommunication of flow, the display module measuring main frame shows, measure connection on main frame and be provided with Chinese screen
Curtain, is provided with control panel measuring on main frame, control panel arranges functional keys, probe A and probe B and includes that probe connects
Bar A and probe two ingredients of connecting rod B, wherein probe connecting rod A connects as one with ultrasonic transducer, and probe connects
Bar B is connected as one with pipeline by flange, is provided with connecting rod A and connects screw thread and the rotation of connecting rod A in probe connecting rod A
Threaded block, is provided with manual ball valve in probe connecting rod B and connecting rod B connects threaded block, wherein, is connected with pipeline at probe
Time, it is female thread and external screw thread dual structure that connecting rod B connects threaded block, and the female thread of connecting rod B and connecting rod A connect spiral shell
Stricture of vagina coordinates, and it is external thread structure that connecting rod A connects screw thread, and the external screw thread of connecting rod B and connecting rod A rotate threaded block and coordinate, even
Extension bar A rotates threaded block and is fixed in connecting rod A, and connecting rod A rotates threaded block and is provided with female thread structure, passes through helicitic texture
Making connecting rod A and connecting rod B is an entirety, in the disassembled condition, by screw thread, connecting rod A is separated with connecting rod B,
In connecting rod A and the separation process of connecting rod B, lock manual ball valve, prevent pipe leakage, connect in connecting rod A and connecting rod B
During, decontrol manual ball valve, thus realize the measurement work of probe.
One the most according to claim 1 changes effusion meter online, it is characterised in that manual ball valve replaces with hand sluice valve
Version.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620694316.XU CN205843736U (en) | 2016-07-05 | 2016-07-05 | One changes effusion meter online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620694316.XU CN205843736U (en) | 2016-07-05 | 2016-07-05 | One changes effusion meter online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205843736U true CN205843736U (en) | 2016-12-28 |
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ID=58151095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620694316.XU Expired - Fee Related CN205843736U (en) | 2016-07-05 | 2016-07-05 | One changes effusion meter online |
Country Status (1)
| Country | Link |
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| CN (1) | CN205843736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796455A (en) * | 2017-11-27 | 2018-03-13 | 潍坊奥博仪表科技发展有限公司 | A kind of intelligent online repairs probe of ultrasonic flowmeter |
| CN110057414A (en) * | 2019-04-09 | 2019-07-26 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | A kind of small diameter tube closed conduct water flow ultrasonic measurement optimization method and device |
| CN113483832A (en) * | 2020-11-07 | 2021-10-08 | 济南和一汇盛科技发展有限责任公司 | Online measuring device for water flow of channel |
-
2016
- 2016-07-05 CN CN201620694316.XU patent/CN205843736U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796455A (en) * | 2017-11-27 | 2018-03-13 | 潍坊奥博仪表科技发展有限公司 | A kind of intelligent online repairs probe of ultrasonic flowmeter |
| CN110057414A (en) * | 2019-04-09 | 2019-07-26 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | A kind of small diameter tube closed conduct water flow ultrasonic measurement optimization method and device |
| CN113483832A (en) * | 2020-11-07 | 2021-10-08 | 济南和一汇盛科技发展有限责任公司 | Online measuring device for water flow of channel |
| CN113483832B (en) * | 2020-11-07 | 2023-10-31 | 济南和一汇盛科技发展有限责任公司 | Channel water flow on-line measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20170705 |