CN209102164U - A kind of straight pipe type Coriolis mass flowmeter - Google Patents
A kind of straight pipe type Coriolis mass flowmeter Download PDFInfo
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- CN209102164U CN209102164U CN201822218654.8U CN201822218654U CN209102164U CN 209102164 U CN209102164 U CN 209102164U CN 201822218654 U CN201822218654 U CN 201822218654U CN 209102164 U CN209102164 U CN 209102164U
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- damping sheet
- coriolis mass
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Abstract
The utility model relates to technology of instrument and meter fields, more particularly to a kind of straight pipe type Coriolis mass flowmeter, it includes flange, shunting body, damping sheet, transmitter and support tube, two measurement straight tubes are oppositely arranged in parallel along its axial direction in support tube, the both ends of two measurement straight tubes pass through shunting body and are fixedly connected with flange, the both ends of support tube are fixedly connected with shunting body far from the end face of flange respectively, driving part is provided in the middle part of two measurement straight tube outer tube walls, the outer tube wall both ends of two measurement straight tubes are provided with detection part, damping sheet is fixed at the both ends of two measurement straight tube outer tube walls, between shunting body and detection part, the branch pipe being connected to support tube is provided on the outer tube wall of support tube, transmitter is connect by branch pipe with support tube.While the utility model meets measuring accuracy, installation footprint can be reduced, reduce the pressure loss, and be not easy to accumulate medium residue.
Description
Technical field
The utility model relates to technical field more particularly to a kind of straight pipe type Coriolis mass flowmeters.
Background technique
With the development of the society, more and more mobility media need accurate metering, wherein Coriolis mass flowmeter exists
The metering field of medium has unique advantage.With the continuous expansion of the demand of metering, the type of Coriolis flowmeter is also more next
It is more various, more and more abundant.Most of Coriolis flowmeter is U type, micro-bend type, △ type, droplet-shaped, flyswatter currently on the market
Type etc., wherein being most widely used with U-shaped and micro-bend type again.The tubular wall thickness is thicker, and outer dimension is big, and resonance frequency is low,
Generally in 60-200HZ, vibration signal is easily handled, high sensitivity, being capable of the measurement easy to accomplish to result.
But this kind of sensors accumulate medium residue due to structure radian size great Yi；Caused by its own structure compared with
The big pressure loss can also cause measurement error；Meanwhile biggish contour structures are by the external harsh conditions such as installation space
It influences, to seriously affect the extensive use of coriolis meter.
Therefore, a kind of straight pipe type Coriolis mass flowmeter is needed to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of straight pipe type Coriolis mass flowmeters, while meeting measuring accuracy,
Installation footprint can be reduced, reduce the pressure loss, and be not easy to accumulate medium residue.
For this purpose, the utility model uses following technical scheme:
A kind of straight pipe type Coriolis mass flowmeter characterized by comprising flange, shunting body, damping sheet, transmitter and
Support tube is oppositely arranged in parallel two measurement straight tubes, the both ends of two measurement straight tubes along its axial direction in the support tube
It is fixedly connected by the shunting body with the flange, the both ends of the support tube are respectively with the shunting body far from the method
Blue end face is fixedly connected, and driving part is provided in the middle part of two measurement straight tube outer tube walls, and two measurements are straight
The outer tube wall both ends of pipe are provided with detection part, and the damping sheet is fixed at the two of two measurement straight tube outer tube walls
End, between the shunting body and the detection part, is provided with and the support tube on the outer tube wall of the support tube
The branch pipe of connection, the transmitter are connect by the branch pipe with the support tube.
Preferably, there are two through-hole, the damping sheet passes through two through-holes for the middle position setting of the damping sheet
Wear the both ends for being fixed on the outer tube wall of the measurement straight tube.
The quantity for being preferably located at the damping sheet at the measurement straight tube outer tube wall both ends is equal, is located at the measurement
The quantity of the damping sheet of straight tube outer tube wall the same end is one piece or two pieces.
Preferably, the support tube is straight tube.
Preferably, the branch pipe is straight tube, and one end is connected to the support tube, and the other end is connect with the transmitter.
Preferably, the middle part of the support tube is arranged in the branch pipe, and axially vertical with the support tube.
Preferably, the driving part is excitation coil.
Preferably, the damping sheet is elastic rectangular piece.
Preferably, the material of the damping sheet, the measurement straight tube and the support tube is stainless steel.
Preferably, the grouping teaching of the shunting body is curved surface.
The utility model has the beneficial effects that
The utility model provides a kind of straight pipe type Coriolis mass flowmeter, and resistance is arranged at the both ends of measurement straight tube outer tube wall
Buddhist nun's plate, when driving part drives measurement straight tube vibration, flexible deformation can also occur therewith for damping sheet, on the one hand very well
Ground has obstructed the vibration not unofficial biography of measurement straight tube, and on the other hand obstructing extraneous vibration makes it to measuring the driving effect of straight tube not
Interference is generated, so that it is guaranteed that the accurate output of measurement straight tube detection signal, ensure that the high-precision and high sensitivity of measurement, pick-up
Device is electrically connected by branch pipe with detection part, can rapidly be handled the signal of detection part acquisition；By measurement pipe by
Bend pipe is changed to straight tube, and difference in height is not present, to reduce the pressure loss, and is not easy to accumulate medium residue, and it is empty to save installation
Between.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of straight pipe type Coriolis mass flowmeter of the utility model；
Fig. 2 is a kind of flange of straight pipe type Coriolis mass flowmeter of the utility model, shunting body and the company for measuring straight tube
Connect schematic diagram；
Fig. 3 is a kind of cross-sectional view of the shunting body of straight pipe type Coriolis mass flowmeter of the utility model.
In figure:
1- flange；2- shunting body；3- damping sheet；4- measures straight tube；5- detection part；6- driving part；7- support tube；
8- branch pipe；9- transmitter；10- grouping teaching.
Specific embodiment
The technical solution of the utility model is further illustrated with embodiment with reference to the accompanying drawing.It is understood that this
Locate described specific embodiment and is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
Illustrate, illustrates only part relevant to the utility model for ease of description, in attached drawing and not all.
As depicted in figs. 1 and 2, the utility model provides a kind of straight pipe type Coriolis mass flowmeter comprising: flange 1 divides
Fluid 2, damping sheet 3, transmitter 9 and support tube 7 are oppositely arranged in parallel two measurement straight tubes 4 along its axial direction in support tube 7,
The both ends of two measurement straight tubes 4 pass through shunting body 2 and are fixedly connected with flange 1, and the both ends of support tube 7 are remote with shunting body 2 respectively
End face from flange 1 is fixedly connected, and is provided with driving part 6 in the middle part of two measurement 4 outer tube walls of straight tube, specifically, driving
Component 6 is excitation coil.The outer tube wall both ends of two measurement straight tubes 4 are provided with detection part 5, and damping sheet 3 is fixed at two
The both ends of root measurement 4 outer tube wall of straight tube are provided on the outer tube wall of support tube 7 between shunting body 2 and detection part 5
The branch pipe 8 being connected to support tube 7, transmitter 9 are connect by branch pipe 8 with support tube 7.
Damping sheet 3 is set at the both ends of the outer tube wall of measurement straight tube 4, specifically, damping sheet 3 is elastic rectangular piece.Work as drive
When the driving measurement straight tube 4 of dynamic component 5 vibrates, flexible deformation can also occur therewith for damping sheet 3, on the one hand obstruct well
The vibration of measurement straight tube 4 not unofficial biography, on the other hand obstructing extraneous vibration generates it not to the driving effect for measuring straight tube 4
Interference ensure that the high-precision and high sensitivity of measurement, by pick-up so that it is guaranteed that measurement straight tube 4 detects the accurate output of signal
Device 9 is electrically connected by branch pipe 8 with detection part 5, and the signal that can rapidly acquire to detection part 5 is handled；It will measurement
Pipe is changed to straight tube by bend pipe, is not easy to accumulate medium residue, and save peace to reduce the pressure loss there is no difference in height
Fill space.
Further, it opens in the middle position of damping sheet 3 there are two through-hole, damping sheet 3 wears fixation by two through-holes
At the both ends of the outer tube wall of measurement straight tube 4, specifically, it can be fixed, i.e., be moved to damping sheet 3 by the way of welding
By emulating the optimum position determined, then weld together with measurement straight tube 4, to prevent damping sheet 3 in measurement straight tube 4
Movement is generated, is dropped under the action of causing damping sheet 3 to play.Further, positioned at the damping sheet 3 at measurement 4 outer tube wall both ends of straight tube
Quantity it is equal, guarantee that detection part 5 acquires the accuracy of signal from structure, positioned at measurement straight tube 4 outer tube wall the same end
The quantity of damping sheet 3 is one piece or two pieces, and specific quantity is determined according to actual needs.Since two measurements are straight
The both ends of pipe 4 are mounted on damping sheet 3, by damping sheet 3 ensure the center between two measurement straight tubes 4 away from consistent, thus
It ensure that its symmetry and the depth of parallelism, improve the zero stability of the mass flowmenter.
Further, measurement straight tube 4 uses elongated thin-wall construction, reduces the rigidity of measurement straight tube 4, and it is straight to improve measurement
The sensitivity of pipe 4 is to meet the requirement of measurement accuracy.Since measurement straight tube 4 is straight tube, support tube 7 is also configured as
The middle part of support tube 7 is arranged in branch pipe 8 by straight tube, and specifically, using the form of straight tube, one end and support tube 7 connect branch pipe 8
Logical, the other end is connect with transmitter 9.It is beautiful in order to make the mass flowmenter, while installation space is saved, branch pipe 8 and support tube 7
It is axially vertical.Damping sheet 3, measurement straight tube 4 and support tube 7 get rusty in order to prevent, to cause measurement data inaccurate, shorten
The material of the service life of the mass flowmenter, damping sheet 3, measurement straight tube 4 and support tube 7 selects stainless steel.
Further, the grouping teaching 10 of shunting body 2 is curved surface, by the way that grouping teaching 10 to be designed as connecting by original vertical plane
The curved surface passed through may be implemented medium and swimmingly be diverted in two measurement straight tubes 4, improves shunting effect, improve detection essence
Degree.
Further, in order to easy to control, while being not take up too many space, the processor of transmitter 9 using single-chip microcontroller or
Person is dsp processor, is also possible to the processor that single-chip microcontroller and DSP are combined, does not do excessive restriction herein.
When work, measurement straight tube 4 generates resonance under the action of driving part 6, and medium fluid is flowed by flange 1 divides
Fluid 2, by shunting, medium is evenly distributed in measurement straight tube 4.According to Coriolis effect, measurement straight tube 4 at this time
It will be caused to measure vibration difference of the straight tube 4 at symmetric position by the reaction force from medium fluid, i.e. Coriolis force
Step, and it is phase difference, the numerical value of phase difference and the mass flow of medium in vibration signal waveforms that this asynchronism, which is embodied in,
It is directly proportional, vibration signal is acquired by detection part 5 and the transmitter 9 by being electrically connected with detection part 5 is handled, Jie can be obtained
The mass flow of mass flow body.In the vibration and deformation process of measurement straight tube 4, flexible deformation occurs for damping sheet 3, on the one hand very well
Ground has obstructed the vibration not unofficial biography of measurement straight tube 4, and on the other hand obstructing extraneous vibration makes its to the driving effect for measuring straight tube 4
Interference is not generated, so that it is guaranteed that measurement straight tube 4 detects the accurate output of signal, ensure that the high-precision and high sensitivity of measurement.
Obviously, the above embodiments of the present invention is merely to clearly illustrate examples for clearly illustrating the present invention, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (10)
1. a kind of straight pipe type Coriolis mass flowmeter characterized by comprising flange (1), damping sheet (3), becomes shunting body (2)
Device (9) and support tube (7) are sent, is oppositely arranged in parallel two measurement straight tubes (4) along its axial direction in the support tube (7), two
The both ends of measurement straight tube (4) pass through the shunting body (2) and are fixedly connected with the flange (1), the support tube (7)
Both ends are fixedly connected with the shunting body (2) far from the end face of the flange (1) respectively, two measurement straight tubes (4) outside
It being provided in the middle part of tube wall driving part (6), the outer tube wall both ends of two measurements straight tube (4) are provided with detection part (5),
The damping sheet (3) is fixed at the both ends of two described measurement straight tube (4) outer tube walls, is located at the shunting body (2) and institute
It states between detection part (5), the branch pipe being connected to the support tube (7) is provided on the outer tube wall of the support tube (7)
(8), the transmitter (9) is connect by the branch pipe (8) with the support tube (7).
2. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the damping sheet (3)
There are two through-holes for middle position setting, and the damping sheet (3) is worn by two through-holes is fixed on the measurement straight tube (4)
Outer tube wall both ends.
3. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that be located at the measurement straight tube
(4) quantity of the damping sheet (3) at outer tube wall both ends is equal, is located at the described of described measurement straight tube (4) outer tube wall the same end
The quantity of damping sheet (3) is one piece or two pieces.
4. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the support tube (7) is
Straight tube.
5. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the branch pipe (8) is straight
Pipe, one end are connected to the support tube (7), and the other end is connect with the transmitter (9).
6. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that branch pipe (8) setting
At the middle part of the support tube (7), and it is axially vertical with the support tube (7).
7. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the driving part (6)
For excitation coil.
8. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the damping sheet (3) is
Elastic rectangular piece.
9. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the damping sheet (3) is surveyed
The material for measuring straight tube (4) and the support tube (7) is stainless steel.
10. a kind of straight pipe type Coriolis mass flowmeter according to claim 1, which is characterized in that the shunting body (2)
Grouping teaching (10) is curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218654.8U CN209102164U (en) | 2018-12-27 | 2018-12-27 | A kind of straight pipe type Coriolis mass flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218654.8U CN209102164U (en) | 2018-12-27 | 2018-12-27 | A kind of straight pipe type Coriolis mass flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102164U true CN209102164U (en) | 2019-07-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822218654.8U Active CN209102164U (en) | 2018-12-27 | 2018-12-27 | A kind of straight pipe type Coriolis mass flowmeter |
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| Country | Link |
|---|---|
| CN (1) | CN209102164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298720A (en) * | 2020-03-31 | 2020-06-19 | 张旭 | Integrated equipment for industrially preparing new material in large quantity |
-
2018
- 2018-12-27 CN CN201822218654.8U patent/CN209102164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298720A (en) * | 2020-03-31 | 2020-06-19 | 张旭 | Integrated equipment for industrially preparing new material in large quantity |
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