CN206177485U - Multichannel calorimeter based on CFD - Google Patents
Multichannel calorimeter based on CFD Download PDFInfo
- Publication number
- CN206177485U CN206177485U CN201621151592.8U CN201621151592U CN206177485U CN 206177485 U CN206177485 U CN 206177485U CN 201621151592 U CN201621151592 U CN 201621151592U CN 206177485 U CN206177485 U CN 206177485U
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- CN
- China
- Prior art keywords
- axis
- hole
- mounting rod
- transducer
- pressing plate
- 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
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Abstract
The utility model relates to a flow instrument technical field, specific reliable operation of saying so, the multichannel calorimeter based on CFD that accuracy is high, its characterized in that surveys and sets up at least two transducers installation on the buret body and stand the hole, stands the hole and sets up in pairs, and the axis that stands the hole is perpendicular with the axis of body, stand the hole run through the body and with body UNICOM, four at least ultrasonic transducer be a set of setting on the installation pole according to per two, the installation pole inserts upright hole and accomplishes fixed to ultrasonic transducer, ultrasonic transducer two is double -phase to measure sound channels to constituting at least two, axis of every measurement sound channel is equal apart from the distance of body axis, compared with the prior art, the utility model, has the advantage that rational in infrastructure, reliable operation, measurement accuracy, long service life etc. Are showing.
Description
Technical field：
This utility model is related to flow instrument technical field, and specifically a kind of reliable operation, accuracy of measurement are high
Multichannel calorimeter based on CFD.
Background technology：
Existing ultrasonic flow sensor, the general fluid flow detection carried out using speed difference method in pipeline, i.e. profit
With ultrasound wave in liquid concurrent-countercurrent propagate time difference, so as to calculate the flowing velocity of liquid, therefore, ultrasound wave it is effective
Propagation distance and flowing field stability, determine the measurement performance of ultrasonic flow sensor.Domestic heavy caliber ultrasound wave heat
Table is typically based on monophonic, and monaural major defect is that the fluid of requirement effusion meter measurement intracavity meets stationary flow, reason
Want the requirement flowed, once the VELOCITY DISTRIBUTION in flow field shifts or irregularly, cause certainty of measurement to be greatly reduced and can not be normal
Use.The acoustic poth arrangement mode of other multichannels be it is fairly simple divide equally, be exactly that the section of pipe is put down in diametric(al)
It is divided into trisection, the positional distance axis of sound channel is 0.167DN, it is right the characteristics of this arrangement does not meet flow of fluid
Bad in the bad occasion adaptability of installation environment, certainty of measurement does not improve significantly, and effect is bad.It is more
Sound channel calorimeter opening up multiple ultrasonic transducer installing holes on body by way of realizing the installation of multiple sensors,
First four inclined holes of Precision Machining on body, wherein coaxial two-by-two；Based on inclined hole, four transducer peaces are welded on steel pipe
Dress seat；Again by flange welding at two of body；Ultrasonic transducer assembly is loaded wherein, transducer gland is covered, it is such
Structure causes mounting means loaded down with trivial details, and is difficult to ensure to install accuracy.
The content of the invention：
This utility model is for shortcoming and defect present in prior art, it is proposed that a kind of rational in infrastructure, assembling simplicity,
Reliable operation, the accurate multichannel calorimeter of measurement.
This utility model is reached by following measures：
A kind of multichannel calorimeter based on CFD, is provided with measurement body, it is characterised in that open up at least two on measurement body
Individual transducer installs vertical hole, and vertical hole is arranged in pairs, and the axis for standing hole is vertical with the axis of body, stands hole and runs through body and and body
UNICOM, at least four ultrasonic transducers are arranged on mounting rod by each two for one group, and the vertical hole of mounting rod insertion is completed to super
The fixation of acoustic wave transducer, ultrasonic transducer is relative two-by-two to constitute at least two measurement sound channels, the axis of each measurement sound channel
Distance away from body axis is equal, and the angle for measuring the axis of sound channel and the axis of body is less than 90 degree, from terms of the end face of body,
Each ultrasonic transducer protrudes into tube cavity 1/5-2/5.
This utility model is additionally provided with antifreeze mechanism, and the antifreeze mechanism includes spring, flange, pressing plate, sealing ring, wherein method
Orchid is arranged on vertical hole outside, and the bottom of pressing plate is fixedly connected with flange, and the mounting rod equipped with transducer stretches into vertical hole and mounting rod
Upper end Jing springs contact with pressing plate, O-ring seal is provided between mounting rod and vertical hole, pressing plate Jing screws are fixed on outside body
On wall, the upper end of correspondence mounting rod can open up through hole and be provided with outer protective cover on pressing plate, and spring can be embedded in outer protective cover institute
In the cavity of formation, it is easy to assembling.
Body described in the utility model is using anti-interference body, the interlude with flat type straight tube-like and positioned at interlude
The flared trumpet section at two ends, between the interlude of the flat type straight tube-like and the loudspeaker section at two ends arc-shaped transition section is provided with.
This utility model during use, due to using being arranged on transducer is groups of on mounting rod, Ran Houtong
Cross mounting rod to be installed, can effectively ensure that the assembly precision of multigroup transducer, it is vertical with pipeline section axis due to standing hole, therefore
The effective propagation distance of ultrasound wave of maximum can be ensured, while also ensure that the stability in flow field, in actual use, hole is stood
It is arranged in pairs, number can be the even numbers such as 2,4,6,8；It is also paired during transducer is by the vertical hole of the vertical insertion of mounting rod
Arrange, mutually correspondence, each serve as transmitting and receive the effect of ultrasound wave, the number of transducer can be one, or multiple；This
Outward, this utility model can effectively prevent transducer from damaging because of frost, by being provided with antifreeze mechanism, mounting rod is flowed in table body
When body freezes, can be displaced outwardly with the volume for swelling, after fluid thaws in table body, effect of the transducer assemblies in spring
Lower return, effectively reduces the risk of table body and transducer bursting by freezing.
This utility model compared with prior art, with rational in infrastructure, reliable operation, measures accurate, long service life etc.
Significant advantage.
Description of the drawings：
Accompanying drawing 1 is structural representation of the present utility model.
Reference：Body 1, vertical hole 2, transducer 3, mounting rod 4.
Specific embodiment：
This utility model is further described below in conjunction with the accompanying drawings.
As shown in drawings, the utility model proposes a kind of multichannel calorimeter based on CFD, is provided with measurement body 1, its
It is characterised by measuring and the vertical hole 2 of at least two transducers installation is opened up on body 1, vertical hole 2 is arranged in pairs, and founds the axis in hole 2 and manages
The axis of body 1 is vertical, stand hole 2 through body 1 and with the UNICOM of body 1, at least four ultrasonic transducers 3 are one group by each two
It is arranged on mounting rod 4, the vertical hole 2 of the insertion of mounting rod 4 completes the fixation to ultrasonic transducer 3,3 liang of ultrasonic transducer is biphase
Sound channel is measured to constituting at least two, each is measured, and distance of the axis of sound channel away from body axis is equal, the axis of measurement sound channel
90 degree are less than with the angle of the axis of body 1, from terms of the end face of body 1, each ultrasonic transducer 3 protrudes into the inner chamber 1/ of body 1
5-2/5。
This utility model is additionally provided with antifreeze mechanism, and the antifreeze mechanism includes spring, flange, pressing plate, sealing ring, wherein method
Orchid is arranged on vertical hole outside, and the bottom of pressing plate is fixedly connected with flange, and the mounting rod equipped with transducer stretches into vertical hole and mounting rod
Upper end Jing springs contact with pressing plate, O-ring seal is provided between mounting rod and vertical hole, pressing plate Jing screws are fixed on outside body
On wall, the upper end of correspondence mounting rod can open up through hole and be provided with outer protective cover on pressing plate, and spring can be embedded in outer protective cover institute
In the cavity of formation, it is easy to assembling.
Body described in the utility model is using anti-interference body, the interlude with flat type straight tube-like and positioned at interlude
The flared trumpet section at two ends, between the interlude of the flat type straight tube-like and the loudspeaker section at two ends arc-shaped transition section is provided with.
This utility model during use, due to using being arranged on transducer is groups of on mounting rod, Ran Houtong
Cross mounting rod to be installed, can effectively ensure that the assembly precision of multigroup transducer, it is vertical with pipeline section axis due to standing hole, therefore
The effective propagation distance of ultrasound wave of maximum can be ensured, while also ensure that the stability in flow field, in actual use, hole is stood
It is arranged in pairs, number can be the even numbers such as 2,4,6,8；It is also paired during transducer is by the vertical hole of the vertical insertion of mounting rod
Arrange, mutually correspondence, each serve as transmitting and receive the effect of ultrasound wave, the number of transducer can be one, or multiple；This
Outward, this utility model can effectively prevent transducer from damaging because of frost, by being provided with antifreeze mechanism, mounting rod is flowed in table body
When body freezes, can be displaced outwardly with the volume for swelling, after fluid thaws in table body, effect of the transducer assemblies in spring
Lower return, effectively reduces the risk of table body and transducer bursting by freezing.
This utility model compared with prior art, with rational in infrastructure, reliable operation, measures accurate, long service life etc.
Significant advantage.
Claims (3)
1. a kind of multichannel calorimeter based on CFD, is provided with measurement body, it is characterised in that open up at least two on measurement body
The vertical hole of transducer installation, vertical hole is arranged in pairs, and the axis for standing hole is vertical with the axis of body, stands hole and joins through body and with body
Logical, at least four ultrasonic transducers are arranged on mounting rod by each two for one group, and the vertical hole of mounting rod insertion is completed to ultrasound
The fixation of wave transducer, ultrasonic transducer is relative two-by-two to be constituted at least two and measures sound channels, the axis of each measurement sound channel away from
The distance of body axis is equal, and the angle for measuring the axis of sound channel and the axis of body is less than 90 degree, from terms of the end face of body, often
Individual ultrasonic transducer protrudes into tube cavity 1/5-2/5.
2. a kind of multichannel calorimeter based on CFD according to claim 1, it is characterised in that be additionally provided with antifreeze mechanism,
The antifreeze mechanism includes spring, flange, pressing plate, sealing ring, and wherein flange is arranged on vertical hole outside, the bottom of pressing plate and flange
Be fixedly connected, the mounting rod equipped with transducer stretches into vertical hole and the upper end Jing springs of mounting rod contact with pressing plate, mounting rod with
O-ring seal is provided between vertical hole, pressing plate Jing screws are fixed on tube wall, the upper end of correspondence mounting rod opens up logical on pressing plate
Hole is simultaneously provided with outer protective cover, in the cavity that the embedded outer protective cover of spring is formed.
3. a kind of multichannel calorimeter based on CFD according to claim 1, it is characterised in that the body is using anti-dry
Body is disturbed, the interlude with flat type straight tube-like and the flared trumpet section positioned at interlude two ends, the flat type straight tube-like
Arc-shaped transition section is provided between interlude and the loudspeaker section at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621151592.8U CN206177485U (en) | 2016-10-31 | 2016-10-31 | Multichannel calorimeter based on CFD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621151592.8U CN206177485U (en) | 2016-10-31 | 2016-10-31 | Multichannel calorimeter based on CFD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177485U true CN206177485U (en) | 2017-05-17 |
Family
ID=58679150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621151592.8U Expired - Fee Related CN206177485U (en) | 2016-10-31 | 2016-10-31 | Multichannel calorimeter based on CFD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177485U (en) |
-
2016
- 2016-10-31 CN CN201621151592.8U patent/CN206177485U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170517 Termination date: 20201031 |