CN208567996U - A kind of pipe segment structure for ultrasonic wave gas meter - Google Patents
A kind of pipe segment structure for ultrasonic wave gas meter Download PDFInfo
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- CN208567996U CN208567996U CN201820939842.7U CN201820939842U CN208567996U CN 208567996 U CN208567996 U CN 208567996U CN 201820939842 U CN201820939842 U CN 201820939842U CN 208567996 U CN208567996 U CN 208567996U
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- rectifying block
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Abstract
The utility model discloses a kind of pipe segment structures for ultrasonic wave gas meter, the tube body of air inlet and air outlet is respectively equipped with including both ends, diversion cavity is arranged in tubular body, two groups of energy converter mounting holes are set in diversion cavity, two groups of rectifiers are set in diversion cavity, rectifier and the inner wall of diversion cavity fit, and several layers rectifying block is arranged in rectifier, and several layers rectifying block is parallel to each other to form grating structure.Pass through the rectifier being arranged in diversion cavity, the gas entered in diversion cavity is rectified, allows mixed and disorderly air-flow to become stable, while avoiding rectifying block and extending in ultrasonic transmission path, interference of the rectifying block to ultrasonic signal improves the accuracy and stability of measurement.And by the installation site of optimization each component of tube body, the metering difference between the even different single tube bodies of different batches can be overcome, consistency is good, is conducive to subsequent accurate charge, and modular structure is readily produced, easy to assembly, convenient to overhaul and replacement.
Description
Technical field
The utility model relates to ultrasonic wave gas meter technical fields, and in particular to a kind of pipeline section knot for ultrasonic wave gas meter
Structure.
Background technique
Ultrasonic wave gas meter be it is a kind of using modern microelectronic technology, Modern Transducer Technology, intellective IC card technology to combustion
Tolerance is measured and carries out the gas meter of data remote and settlement bargain.Ultrasonic wave gas meter is in addition to can be to gas quantity
It carries out outside recording and displaying, can also control according to agreement with gas quantity, and ladder gas price can be automatically performed
Expense calculates, while can store to combustion gas usage amount, and compared with traditional leather diaphragm type gas meter, ultrasonic wave gas meter has
It is small in size, feature with high accuracy, flow signal acquisition all electronic, no mechanical part abrasion, therefore service life is also longer.Combustion
Gas meter pipeline section is the flow collection element of ultrasonic wave gas meter, is the core component that ultrasonic wave gas meter completes gas consumption detection,
The existing small-bore gas meter, flow meter pipe used in the case where installation environment is limited is asked in the presence of metering inaccuracy is low with measuring accuracy
Topic；Meanwhile existing small-bore gas meter, flow meter pipe is as caused by processing technology, different batches, or even with a batch of different pipes
There is otherness between section individual, there are deviations so that calculating tolerance when installing and using, and directly affect subsequent disbursement and sattlement.
The main reason for leading to the above problem first is that since gas enters in irregular uneven distribution after tube body, and by
Caused by ultrasonic measurement principle, gas flow rate measured by ultrasonic wave gas meter is on tube body axis along gas flow direction
Line mean flow rate, rather than the mean flow rate in entire tube body cross section, the ideal of velocity distribution after gas enters tube body
In the case of, above two mean flow rate can consider equal or have a fixed corresponding relationship, but gas flow rate it is irregular not
In the case where being uniformly distributed, above two mean flow rate is then in irregular corresponding relationship, therefore it is inaccurate to will lead to measurement result
It is really and unstable.
Patent CN206695854U provides a kind of pipe segment structure, which is all provided with arc in the position of air inlet and outlet
The buffer part of shape, when gas pressure is larger, when gas by buffer part cannot ensure its rectification as a result, therefore being tied to measurement
Fruit has improvement, and but effect is limited, and measurement accuracy does not ensure.
Patent CN204085591U provides a kind of rectifying block through tracheae, the axis of energy converter sense channel and tracheae
Acute angle is formed, the transmission path of ultrasonic wave is Chong Die with rectifying block generation, and rectifying block can interfere ultrasonic signal, and the result of measurement produces
Raw error, precision be not high；And the installation or production of the rectifying block are difficult, when assembly, needs accurate cooperation to guarantee the flat of flow deflector
Go and be dfficult to apply to existing tracheae.
Utility model content
The technical problem to be solved by the present invention is to provide one kind can improve the small-bore intelligence that gas is distributed in tube body
It can gas meter, flow meter pipe segment structure.
In order to solve the above-mentioned technical problem, the utility model provides a kind of pipe segment structure for ultrasonic wave gas meter, packet
The tube body that both ends are respectively equipped with air inlet and air outlet is included, the tubular body is arranged diversion cavity, sets in the diversion cavity
Two groups of energy converter mounting holes are set, between the air inlet and the adjacent energy converter mounting hole and gas outlet and adjacent
Rectifier is respectively provided between the energy converter mounting hole, the rectifier and the inner wall of the diversion cavity fit, the rectification
Several rectifying blocks are set in device, form rectification road between the rectifier and the rectifying block, the rectification road is passed along gas
Defeated direction is arranged in parallel.
Preferably, the angle between energy converter mounting hole described in two groups is 60 degree~120 degree.
Preferably, the diameter of the diversion cavity is 10~25mm.
Preferably, the rectifying block is arranged in parallel along gas transport direction, and the cross section of the rectifying block is rectangle, described
The quantity of the rectifying block in rectifier be 5, the adjacent rectifying block spacing be 3mm, the rectifying block with a thickness of
1mm。
Preferably, the rectifying block is arranged in parallel along gas transport direction, and the cross section of the rectifying block is rectangle, multiple
The rectifying block intersects setting.
Preferably, the rectifying block is arranged in parallel along gas transport direction, and the cross section of the rectifying block is waveform.
Preferably, the rectifying block is mounted on the inner wall of the rectifier by way of embedded, the rectifier
Inner wall is equipped with the mounting groove being embedded in for rectifying block.
Preferably, the rectifying block is cylindrical body, and the short transverse of the rectifying block is arranged in parallel along gas transport direction.
Preferably, the rectifying block is arranged one group, and the cross section of the rectifying block is honeycombed.
Preferably, limited block is set in the diversion cavity, and the rectifier offsets with the limited block.
The utility model have it is following the utility model has the advantages that rectifier by being arranged in diversion cavity, to entering in diversion cavity
Gas is rectified, and mixed and disorderly air-flow is allowed to become stable, while being avoided rectifying block and being extended in ultrasonic transmission path, rectification
Interference of the block to ultrasonic signal, avoids the problems in patent CN204085591U, to improve the accuracy of measurement and steady
It is qualitative.On the other hand, by optimizing the installation site of each component of tube body, can overcome the even different single tube bodies of different batches it
Between metering difference, consistency is good, is conducive to subsequent accurate charge, and modular structure is readily produced, easy to assembly, also side
Just it overhauls and replaces.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the pipe segment structure for ultrasonic wave gas meter of the utility model；
Fig. 2 is a kind of cross-sectional view of the rectifier of the embodiment 1 of the pipe segment structure for ultrasonic wave gas meter of the utility model；
Fig. 3 is a kind of cross-sectional view of the rectifier of the embodiment 2 of the pipe segment structure for ultrasonic wave gas meter of the utility model；
Fig. 4 is a kind of cross-sectional view of the rectifier of the embodiment 3 of the pipe segment structure for ultrasonic wave gas meter of the utility model；
Fig. 5 is a kind of cross-sectional view of the rectifier of the embodiment 4 of the pipe segment structure for ultrasonic wave gas meter of the utility model；
Fig. 6 is a kind of cross-sectional view of the rectifier of the embodiment 5 of the pipe segment structure for ultrasonic wave gas meter of the utility model；
Wherein, 1, air inlet；2, tube body；21, diversion cavity；22, limited block；3, gas outlet；4, energy converter mounting hole；5, whole
Flow device；51, road is rectified；51, mounting groove；6, rectifying block.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment 1
A kind of pipe segment structure for ultrasonic wave gas meter, the tube body of air inlet 1 and gas outlet 3 is respectively equipped with including both ends
2；Combustion gas enters from air inlet 1, and the part in passed through tube body 2, referred to as diversion cavity 21 are flowed out from gas outlet 3；It is led to entering
The component that the gas of stream chamber 21 carries out current stabilization effect is known as rectifier 5；Two groups of energy converter mounting holes 4 are set in diversion cavity 21, into
Rectification is respectively provided between port 1 and adjacent energy converter mounting hole 4 and between gas outlet 3 and adjacent energy converter mounting hole 4
Device 5, rectifier 5 and the inner wall of diversion cavity 21 fit, several rectifying blocks 6, rectifier 5 and rectifying block 6 are arranged in rectifier 5
Between formed rectification road 51, rectification road 51 be arranged in parallel along gas transport direction.
Specifically: the rectifier 5 between air inlet 1 and adjacent energy converter mounting hole 4 being set, energy converter will be entered and pacified
Fill the gas rectification in hole 4；Gas is due to being unevenly distributed, the non-uniform movement in diversion cavity 21, due to the rectification in rectifier 5
Road 51 is arranged in parallel along gas transport direction, thus the radial movement that gas generates is restricted, and can only be axially moveable, gas
Therefore the transporting direction of body is adjusted.
Specifically, it is arranged between gas outlet 3 and adjacent energy converter mounting hole 4 and is respectively provided with rectifier 5, for stablizes gas
The transmission of body, if, by the gas of energy converter mounting hole 4 due to radial movement, pacifying to energy converter being not provided with the rectifier 5
The gas of dress 4 part of hole constitutes disturbance, affects measurement result, therefore two groups of rectifiers 5 are arranged, is conducive to run gas
It is whole steady, reduce gas moving radially in diversion cavity 21.
Specifically, energy converter mounting hole 4 there are two being set in diversion cavity 21, for installing ultrasonic transducer probe；It is above-mentioned
The extended segment of commutator segment in the axial direction will not block energy converter mounting hole 4, and will not enter ultrasonic transmission path, ultrasonic wave
The transmission direction of transmission path dotted line as shown in Figure 1.
Angle between two groups of energy converter mounting holes 4 is 60 degree~120 degree, the biography of the gas in ultrasonic wave and diversion cavity 21
Defeated direction needs to constitute acute angle, and the precision for being conducive to improve measurement in above-mentioned angle is arranged in.
The diameter of diversion cavity 21 is 10~25mm.
As shown in Fig. 2, rectifying block 6 is arranged in parallel along gas transport direction, the cross section of rectifying block 6 is rectangle, rectifier 5
In the quantity of rectifying block 6 be 5, adjacent 6 spacing of rectifying block is 3mm, and rectifying block 6 is with a thickness of 1mm, relatively thin rectifying block 6,
The flow velocity for avoiding the influence gas of rectifying block 6 advantageously reduces rectifier 5 to gas transport when above-mentioned position is arranged in
Influence and improve measurement accuracy.
Rectifying block 6 is mounted on the inner wall of rectifier 5 by way of embedded, and the inner wall of rectifier 5 is equipped with for rectification
The mounting groove 51 that block 6 is embedded in.
Limited block 22 is set in diversion cavity 21, and rectifier 5 offsets with limited block, for avoiding rectifier 5 from reaching ultrasonic wave
Measurement position, influence measurement result.
Embodiment 2
As shown in figure 3, rectifying block 6 is arranged in parallel along gas transport direction, the cross section of rectifying block 6 is rectangle, multiple whole
Stream block 6 intersects setting.Rectifying block 6 is mounted on the inner wall of rectifier 5 by way of embedded, on the inner wall of rectifier 5
Equipped with the mounting groove 51 being embedded in for rectifying block 6.
Specifically, it distinguishes with embodiment 1, since 51 gap of rectification road in embodiment 1 is excessive, can not keep away
The gas for having part exempted from can generate movement radially, when reticular structure as shown in Figure 3 is arranged, reduce single rectification road
Therefore the effect of 51 cross-sectional area, rectification is improved.
Embodiment 3
As shown in figure 4, rectifying block 6 is arranged in parallel along gas transport direction, the cross section of rectifying block 6 is waveform.Rectification
Block 6 is mounted on the inner wall of rectifier 5 by way of embedded, and the inner wall of rectifier 5 is equipped with the installation being embedded in for rectifying block 6
Slot 51.
Specifically, waveform is set by the rectangular cross section in embodiment 1, is conducive to improve its cross-sectional area, reduced
Gas moves radially.
Embodiment 4
As shown in figure 5, rectifying block 6 is cylindrical body, the short transverse of rectifying block 6 is arranged in parallel along gas transport direction.
Specifically, the gas of transmission is limited by way of cylindrical body by the way that multiple rectifying blocks 6 are arranged, wears gas
Radial movement is restricted when crossing adjacent rectifying block 6.
Embodiment 5
As shown in fig. 6, rectifying block 6 is arranged one group, the cross section of rectifying block 6 is honeycombed.
Specifically, the set-up mode and embodiment 5 are on the contrary, the hole of honeycombed is the rectification road 51 that gas passes through, with reality
The mode applied in example 2 is similar, but the production for the rectifier 5 of being more convenient for.
By the rectifier 5 being arranged in diversion cavity 21, the gas entered in diversion cavity 21 is rectified, is allowed mixed and disorderly
Air-flow becomes stable, while avoiding rectifying block 6 and extending in ultrasonic transmission path, and rectifying block 6 does ultrasonic signal
It disturbs, to improve the accuracy and stability of measurement.On the other hand, by optimize each component of tube body 2 installation site, can with gram
The metering difference between the even different single tube bodies 2 of different batches is taken, consistency is good, is conducive to subsequent accurate charge, and module
The structure of change is readily produced, easy to assembly, also convenient to overhaul and replacement.
Above embodiments are only preferred embodiments for fully illustrating the utility model, the guarantor of the utility model
It is without being limited thereto to protect range.Those skilled in the art made equivalent substitute or transformation on the basis of the utility model,
It is within the protection scope of the utility model.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of pipe segment structure for ultrasonic wave gas meter, which is characterized in that be respectively equipped with air inlet and air outlet including both ends
Tube body, diversion cavity is arranged in the tubular body, two groups of energy converter mounting holes are set in the diversion cavity, the air inlet and with
The adjacent energy converter mounting hole between and gas outlet and the energy converter mounting hole adjacent thereto between be respectively provided with
Rectifier, the rectifier and the inner wall of the diversion cavity fit, several rectifying blocks are arranged in the rectifier, described whole
It flows and forms rectification road between device and the rectifying block, the rectification road is arranged in parallel along gas transport direction.
2. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that energy converter described in two groups
Angle between mounting hole is 60 degree~120 degree.
3. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that the diversion cavity it is straight
Diameter is 10~25mm.
4. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that the rectifying block is along gas
Body transmission direction is arranged in parallel, and the cross section of the rectifying block is rectangle, and the quantity of the rectifying block in the rectifier is 5
Piece, the adjacent rectifying block spacing are 3mm, and the rectifying block is with a thickness of 1mm.
5. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that the rectifying block is along gas
Body transmission direction is arranged in parallel, and the cross section of the rectifying block is rectangle, and multiple rectifying blocks intersect setting.
6. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that the rectifying block is along gas
Body transmission direction is arranged in parallel, and the cross section of the rectifying block is waveform.
7. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 4 or 5 or 6, which is characterized in that the rectification
Block is mounted on the inner wall of the rectifier by way of embedded, and the inner wall of the rectifier is equipped with to be embedded in for rectifying block
Mounting groove.
8. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that the rectifying block is circle
The short transverse of cylinder, the rectifying block is arranged in parallel along gas transport direction.
9. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that the rectifying block setting
One group, the cross section of the rectifying block is honeycombed.
10. a kind of pipe segment structure for ultrasonic wave gas meter as described in claim 1, which is characterized in that in the diversion cavity
Limited block is set, and the rectifier offsets with the limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820939842.7U CN208567996U (en) | 2018-06-19 | 2018-06-19 | A kind of pipe segment structure for ultrasonic wave gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820939842.7U CN208567996U (en) | 2018-06-19 | 2018-06-19 | A kind of pipe segment structure for ultrasonic wave gas meter |
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| Publication Number | Publication Date |
|---|---|
| CN208567996U true CN208567996U (en) | 2019-03-01 |
Family
ID=65487305
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820939842.7U Active CN208567996U (en) | 2018-06-19 | 2018-06-19 | A kind of pipe segment structure for ultrasonic wave gas meter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967079A (en) * | 2019-10-25 | 2020-04-07 | 李晶 | Plug-in type gas ultrasonic flowmeter with uniformly distributed gas flow |
| JP2021018129A (en) * | 2019-07-19 | 2021-02-15 | パナソニックＩｐマネジメント株式会社 | Ultrasonic flowmeter |
| CN112610789A (en) * | 2020-12-25 | 2021-04-06 | 亿昇(天津)科技有限公司 | Corrugated pipe |
| JP2021110685A (en) * | 2020-01-15 | 2021-08-02 | パナソニックＩｐマネジメント株式会社 | Ultrasonic flowmeter |
| CN113639812A (en) * | 2021-08-17 | 2021-11-12 | 上海真兰仪表科技股份有限公司 | Leading rectification mechanism of ultrasonic gas meter |
-
2018
- 2018-06-19 CN CN201820939842.7U patent/CN208567996U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021018129A (en) * | 2019-07-19 | 2021-02-15 | パナソニックＩｐマネジメント株式会社 | Ultrasonic flowmeter |
| JP7285450B2 (en) | 2019-07-19 | 2023-06-02 | パナソニックＩｐマネジメント株式会社 | ultrasonic flow meter |
| CN110967079A (en) * | 2019-10-25 | 2020-04-07 | 李晶 | Plug-in type gas ultrasonic flowmeter with uniformly distributed gas flow |
| CN110967079B (en) * | 2019-10-25 | 2021-05-11 | 上海中核维思仪器仪表有限公司 | Plug-in type gas ultrasonic flowmeter with uniformly distributed gas flow |
| JP2021110685A (en) * | 2020-01-15 | 2021-08-02 | パナソニックＩｐマネジメント株式会社 | Ultrasonic flowmeter |
| JP7285453B2 (en) | 2020-01-15 | 2023-06-02 | パナソニックＩｐマネジメント株式会社 | ultrasonic flow meter |
| CN112610789A (en) * | 2020-12-25 | 2021-04-06 | 亿昇(天津)科技有限公司 | Corrugated pipe |
| CN113639812A (en) * | 2021-08-17 | 2021-11-12 | 上海真兰仪表科技股份有限公司 | Leading rectification mechanism of ultrasonic gas meter |
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