CN210774195U - Integrated differential pressure type flowmeter and measuring system comprising same - Google Patents
Integrated differential pressure type flowmeter and measuring system comprising same Download PDFInfo
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- CN210774195U CN210774195U CN201921831102.2U CN201921831102U CN210774195U CN 210774195 U CN210774195 U CN 210774195U CN 201921831102 U CN201921831102 U CN 201921831102U CN 210774195 U CN210774195 U CN 210774195U
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Abstract
The utility model relates to an integration differential pressure formula flowmeter and measurement system. The integrated differential pressure flowmeter comprises: the body is communicated with an external fluid source through the connecting part so as to introduce fluid to flow through the internal flow passage; a flow restriction disposed within the internal flow passage and between two adjacent pressure taking holes to create a fluid differential pressure therebetween; a housing connected to the body and having a cavity; the pressure tapping pipes are arranged in the cavity, and one end of each pressure tapping pipe is communicated with one of the pressure tapping holes; the sensor device is arranged in the cavity and is connected with the other end of each pressure guide pipe in a universal mode and used for detecting and acquiring at least one parameter data according to the fluid flowing into each pressure guide pipe; and the flow transmitter is connected with the shell and the sensor device and used for calculating fluid flow data according to the parameter data. The utility model discloses be fit for extensive popularization and application.
Description
Technical Field
The utility model relates to a flow measurement technical field especially relates to integration differential pressure formula flowmeter and include the measurement system of integration differential pressure formula flowmeter.
Background
Currently, there are numerous types of differential pressure flow meters available in the flow measurement field, which have gained considerable popularity. For example, the orifice plate flowmeter is a common flow measuring device, and the market application scale of the orifice plate flowmeter is very large. Most of the commonly used orifice plate flow meters are split structures, and generally comprise orifice plate throttling pipelines, differential pressure transmitters, flow totalizers, connected valve banks, pipe fittings and other parts. In practical applications, the differential pressure type flowmeter products such as the orifice plate flowmeter still have some defects and shortcomings, for example, the overall structure is complex, the field installation operation is complex, the occupied space is large, the production and manufacturing costs are high, and the like. In addition, for the measurement occasions such as small pressure, low temperature, simple working conditions and the like, if the conventional split-type flow meter and other existing flow meters are used, the method is not very suitable.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an integrated differential pressure type flowmeter and a measurement system including the same, which can solve or at least alleviate one or more of the above problems or other problems in the prior art.
First, according to the first aspect of the present invention, it provides an integrated differential pressure type flowmeter, comprising:
the pressure measuring device comprises a body, a pressure measuring device and a pressure measuring device, wherein the body is provided with a connecting part, an internal flow passage and at least two pressure measuring holes communicated with the internal flow passage, and is communicated with an external fluid source through the connecting part so as to introduce fluid to flow through the internal flow passage;
a flow restriction disposed within the internal flow passage and between two adjacent pressure taps to create a fluid differential pressure therebetween;
a housing connected to the body and having a cavity;
at least two pressure guide pipes which are arranged in the cavity, and one end of each pressure guide pipe is communicated with one of the pressure taking holes;
the sensor device is arranged in the cavity, is communicated with the other end of each pressure guide pipe and is used for detecting and acquiring at least one parameter data of the fluid flowing into each pressure guide pipe; and
a flow transmitter coupled to the housing and the sensor device for calculating fluid flow data based on the parameter data.
In an integrated differential pressure flow meter according to the present invention, optionally, the orifice member is configured with one or more perforated orifice plates arranged centrally between the two adjacent pressure taking orifices.
In an integrated differential pressure flow meter according to the present invention, optionally, at least one perforation on the orifice plate is configured to have different pore diameters on both sides of the orifice plate.
In the integrated differential pressure type flowmeter according to the present invention, optionally, the pressure taking holes all have the same size, and the pressure leading pipes all have the same size.
In an integrated differential pressure flow meter according to the invention, optionally, the body is constructed as a straight line pipe, and the throttle and/or the housing is arranged in the middle of the body.
In an integrated differential pressure flowmeter according to the present invention, optionally, the connecting portion includes two flanges, which are respectively provided at both ends of the body, for connecting the body to the external fluid source through a connecting member.
In an integrated differential pressure flow meter according to the present invention, optionally, the two flanges are welded to the body.
In an integrated differential pressure flowmeter according to the present invention, optionally, the gauge outfit of the flow transmitter is supported by the housing.
In an integrated differential pressure type flowmeter according to the present invention, optionally, the sensor device includes at least one pressure sensor and at least one temperature sensor for respectively detecting and acquiring pressure data and temperature data of the fluid flowing into each pressure leading pipe.
Further, according to a second aspect of the present invention, there is provided a measurement system comprising one or more integrated differential pressure flow meters as described in any of the above.
The principles, features, characteristics, advantages, etc. according to the various aspects of the present invention will be clearly understood from the following detailed description taken in conjunction with the accompanying drawings. The utility model discloses an integrated structure design, not only overall structure is simple and compact, occupy small, easily make moreover, transport, installation and use to the cost is lower, and its specially adapted operating mode is more simple (for example the temperature is lower, pressure is less etc.) various fluid flow parameter measurement, consequently especially adapted carries out extensive popularization and application.
Drawings
The invention will be described in further detail with reference to the drawings and examples, but it should be understood that the drawings are designed solely for purposes of illustration and are not necessarily drawn to scale, but rather are intended to conceptually illustrate the structural configurations described herein.
Fig. 1 is a schematic cross-sectional view of an embodiment of an integrated differential pressure flowmeter according to the present invention.
Detailed Description
First, it should be noted that the structure, composition, characteristics, advantages, etc. of the integrated differential pressure type flowmeter of the present invention and the measurement system including the same will be specifically described below by way of example, however, all the descriptions are for illustrative purposes only, and they should not be construed as forming any limitation to the present invention. Herein, the technical term "connect" and its derivatives mean that a specific component is directly and/or indirectly connected to another component, and general matters that have been known to those skilled in the art are not described herein in detail for the sake of clarity.
Furthermore, any single feature described or implicit in an embodiment herein or any single feature shown or implicit in the drawings or shown or implicit in the drawings may still allow any combination or permutation to continue between the features (or their equivalents) without any technical impediment, and thus further embodiments according to the present invention should also be considered within the scope of this disclosure.
A cross-sectional view of an embodiment of an integrated differential pressure flow meter according to the present invention is schematically illustrated in fig. 1. Referring to fig. 1, in the integrated differential pressure flowmeter 100, it may include a body 1, a throttling member 5, a pressure guiding pipe 6, a casing 7, a sensor device 9 and a flow transmitter 10, and the basic structure, operation principle and other aspects of the present invention will be described through this embodiment.
As shown in fig. 1, the main body 1 constitutes the main structural part of the integrated differential pressure type flowmeter 100, and provides an internal flow passage 3 through which various fluids (such as gas, liquid or a mixture thereof) can flow. The inner flow passage 3 may be constructed as a straight pipe having a simple structure in a specific application, and may have a cross-sectional shape of a circle, an ellipse, a square, or other suitable shapes, thereby facilitating manufacturing, transportation, installation, maintenance, and the like. Of course, the invention also allows the interior flow channel 3 to be constructed in a more complex manner, in order to be able to adequately meet the requirements of various applications.
Two or more pressure taking holes 4 may be provided in the body 1 so that the fluid flowing in the internal flow passage 3 can flow into a pressure introduction pipe 6, which will be described later, via the pressure taking holes 4, thereby enabling acquisition of parameter data (e.g., pressure, temperature, pressure difference, etc.) related to the flowing fluid. By way of illustration, two pressure tapping holes 4 are shown in the embodiment shown in fig. 1, but it should be understood that the present invention fully allows for flexible setting, selection or adjustment according to different application requirements, with regard to the specific number, arrangement position, structural dimensions, etc. of such pressure tapping holes on the body 1.
By providing the body 1 with a connection 2, the body 1 can be connected to an external fluid source (such as a working pipe in a measurement environment, etc.) in order to introduce fluid therefrom for flowing through the internal flow channel 3, which is schematically indicated in fig. 1 using arrows a and B for the direction of flow of the fluid within the internal flow channel 3. The connecting portion 2 may take any feasible form and may be arranged at any suitable location on the body 1 as desired. For example, in the embodiment of fig. 1, flange structures may be provided at both ends of the body 1 to serve as the connecting portions 2, and they may be fixed to the body 1 by welding or the like, and then the body 1 may be connected to an external fluid source by using any suitable connecting member such as a bolt, a nut, or the like. In order to facilitate operations of manufacture, assembly, maintenance, etc., the two flanges can be configured exactly identical to each other and they can also be arranged symmetrically with respect to the body 1.
The throttling element 5 is arranged in the internal flow channel 3 in order to throttle and thus generate the fluid differential pressure required for the measurement, in particular, the throttling element 5 can be arranged between any two adjacent pressure tapping holes 4, and the fluid differential pressure is formed between the two pressure tapping holes 4 due to the throttling effect generated by the throttling element 5. in fig. 1, the fluid pressure at the corresponding position is exemplarily indicated by using different reference numerals P1 and P2, wherein P1 > P2, i.e., P1-P2- △ P, and the differential pressure △ P is obtained by the sensor device 9 after acquiring the above-mentioned fluid pressures P1 and P2, and then is further provided to the flow transmitter 10 for data processing, which will be described in more detail later.
In the integrated differential pressure type flowmeter 100, the orifice 5 is formed of an orifice plate, and may be attached to the inner flow path 3 by welding or the like. One or more perforations may be provided in the orifice 5, and the specific number, location, configuration, size, etc. of such perforations may be selected as desired. For example, in an alternative scenario, one or more perforations in the orifice plate may be configured such that the apertures 51 on one side of the orifice plate are different in size from the apertures 52 on the other side of the orifice plate, thereby providing better fluid flow guidance, facilitating throttling, differential fluid pressure, and the like. It should be noted that, in some embodiments, the throttling element 5 may also adopt other suitable structural forms, such as a wedge-shaped protrusion, and thus the technical effects of throttling, forming a fluid differential pressure, and the like, which are discussed above, can also be achieved, and are not described herein for brevity.
To facilitate the measurement, a pressure guiding tube 6 may be provided for guiding a portion of the fluid flowing in the internal flow channel 3 to the sensor device 9, the pressure guiding tube 6 being typically made of any suitable material, such as stainless steel. By way of illustrative example only, in the example of fig. 1, two pressure lines 6 are provided, wherein the two ends of one pressure line 6 on the left side in the drawing are respectively connected to the pressure tapping 4 on the left side and one pressure tapping (e.g. positive pressure tapping P +) of the sensor device 9, and the two ends of the other pressure line 6 on the right side in the drawing are respectively connected to the pressure tapping 4 on the right side and the other pressure tapping (e.g. negative pressure tapping P-) of the sensor device 9, and the sensor device 9 detects fluid introduced from different positions via these pressure lines 6 and can obtain therefrom one or more parameter data (e.g. pressure, temperature, pressure difference, etc.) required according to the specific application. As an alternative, one or more pressure sensors, one or more temperature sensors and/or more types of sensors may be integrated in the sensor device 9, which are not described in detail herein, since their function, arrangement and use, etc., are already known and appreciated by those skilled in the art.
With continued reference to fig. 1, in the integrated differential pressure flow meter 100, the parameter data collected by the sensor device 9 can be transmitted to the flow transmitter 10 via the connecting lead 11 for processing, so as to calculate and obtain the fluid flow data accordingly, with regard to the flow transmitter 10, the prior art has provided a rather mature technology for this purpose, for example, it is known in the art that there is a functional relationship between the fluid differential pressure △ P and the fluid flow, and the collected fluid temperature data and the fluid pressure data can also be used for compensation optimization processing, so as to calculate and obtain more accurate fluid flow data, which is generally implemented by various processors (such as executable program codes), electronic circuits and other components in the existing flow transmitter, so that any feasible existing flow transmitter is allowed to be used in the present invention, which is not described herein too much.
As shown in fig. 1, in the embodiment shown, a housing 7 with a cavity 8 is also provided. It is possible to arrange the components such as the pressure-introducing tube 6, the sensor device 9, the connecting lead 11, etc. described above in the cavity 8 of the casing 7 so as to provide a protective effect for them, and also to provide a supporting effect for the head of the flow transmitter 10 by means of the casing 7, so that the overall structure can be made more compact and reliable. In practical application, the casing 7 can be constructed into any suitable shape, and the casing 7 and the body 1 can be connected together by any feasible connection modes such as welding, riveting, screwing and the like, so that an integrated integral structure is formed, and the problems of large volume, inconvenient split type installation, high manufacturing cost, inapplicability to fluid measurement under simpler working conditions and the like commonly existing in the existing mass flowmeters can be effectively solved. Therefore, adopt the utility model discloses technical scheme not only makes flowmeter simple structure, compactness, realizes the device miniaturization, also very easily carries out product manufacturing, transportation, installation and use etc. moreover, so fairly be fit for carrying out a large amount of applications in order to replace current products such as traditional orifice plate flowmeter.
It should be noted that the present invention has been described above only by way of example based on the embodiment illustrated in fig. 1, but it should be understood that the present invention can be flexibly designed, modified or adjusted according to the actual application requirements without departing from the gist of the present invention.
For example, as shown in fig. 1, in the above-discussed embodiment, the throttle 5 and the housing 7 are both arranged in the middle of the body 1, and the throttle 5 is also arranged in the middle of the two pressure taking holes 4, and a completely symmetrical layout is adopted for the structural configuration and the spatial arrangement of the two pressure taking holes 4, the two pressure leading pipes 6 and the two flanges. However, in some applications it is contemplated that it may not be necessary to employ one, more or all of these symmetrical arrangements, for example, it may not be necessary to locate the housing 7 in the middle of the body 1, or to change the two flanges of fig. 1 to be structurally different.
In addition, although two sets of corresponding pressure sampling holes 4 and pressure guiding pipes 6 are used in the integrated differential pressure type flowmeter 100, in some embodiments, three or four sets of corresponding pressure sampling holes 4 and pressure guiding pipes 6 may be used, and such a structural design can provide convenience for some application requirements, and can provide redundancy, reliability, and the like desired by these applications in terms of fluid parameter data acquisition and the like.
According to the utility model discloses a design concept still provides a measurement system, can use one or more according to in this measurement system configuration the utility model discloses an integration differential pressure formula flowmeter to can carry out the field measurement use very conveniently, in a flexible way and high-efficiently, and need not to increase other annex, this is particularly useful for the flow parameter measurement of all kinds of fluid under the more simple condition of operating mode (like the temperature is lower, pressure is less etc.), can realize from this as before the utility model discloses obviously be superior to prior art's outstanding technical advantage.
The above detailed explanation is only provided by way of example for the hole-integrated differential pressure type flowmeter and the measuring system including the same according to the present invention, and these examples are provided only for illustrating the principles and embodiments of the present invention, and not for limiting the present invention, and those skilled in the art can make various modifications and improvements without departing from the spirit and scope of the present invention. Accordingly, all equivalent embodiments are intended to fall within the scope of the present invention and are defined by the various claims of the present invention.
Claims (10)
1. An integrated differential pressure flowmeter, comprising:
a body (1) having a connection portion (2), an internal flow passage (3) and at least two pressure tapping holes (4) communicating with the internal flow passage (3), the body (1) communicating with an external fluid source through the connection portion (2) to introduce a fluid to flow through the internal flow passage (3);
a throttle (5) arranged within the internal flow passage (3) and located between two adjacent pressure taking holes (4) to form a fluid differential pressure therebetween;
a housing (7) connected to the body (1) and having a cavity;
at least two pressure guide pipes (6) which are arranged in the cavity, and one end of each pressure guide pipe (6) is communicated with one of the pressure taking holes (4);
a sensor device (9) arranged in the cavity and communicated with the other end of each pressure guide pipe (6) and used for detecting and acquiring at least one parameter data of the fluid flowing into each pressure guide pipe (6); and
a flow transmitter (10) connected to said housing (7) and said sensor means (9) for calculating fluid flow data from said parameter data.
2. The integrated differential pressure flow meter according to claim 1, wherein the orifice (5) is configured with one or more perforated orifice plates, which are arranged centrally between the two adjacent pressure tapping orifices (4).
3. The integrated differential pressure flow meter according to claim 2, wherein at least one perforation on the orifice plate is configured to have a different pore size on both sides of the orifice plate.
4. The integrated differential pressure flowmeter according to claim 1, wherein the pressure taking holes (4) are all the same size, and the pressure introducing pipes (6) are all the same size.
5. The integrated differential pressure flow meter according to claim 1, wherein the body (1) is configured as a straight pipe and the orifice (5) and/or the housing (7) is arranged in the middle of the body (1).
6. The integrated differential pressure flowmeter of claim 1, wherein the connection portion (2) comprises two flanges provided at both ends of the body (1), respectively, for connecting the body (1) to the external fluid source through a connection member.
7. The integrated differential pressure flow meter according to claim 6, wherein the two flanges are welded to the body (1).
8. The integrated differential pressure flowmeter of claim 1, wherein a gauge head of the flow transmitter (10) is supported by the housing (7).
9. An integrated differential pressure flow meter according to any of claims 1-8, wherein the sensor means (9) comprises at least one pressure sensor and at least one temperature sensor for detecting and acquiring pressure data and temperature data, respectively, of the fluid flowing into the respective tapping pipe (6).
10. A measurement system comprising one or more integrated differential pressure flow meters according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921831102.2U CN210774195U (en) | 2019-10-29 | 2019-10-29 | Integrated differential pressure type flowmeter and measuring system comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921831102.2U CN210774195U (en) | 2019-10-29 | 2019-10-29 | Integrated differential pressure type flowmeter and measuring system comprising same |
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| Publication Number | Publication Date |
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| CN210774195U true CN210774195U (en) | 2020-06-16 |
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| CN201921831102.2U Active CN210774195U (en) | 2019-10-29 | 2019-10-29 | Integrated differential pressure type flowmeter and measuring system comprising same |
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