CN211234814U - Pressure and flow measuring device - Google Patents
Pressure and flow measuring device Download PDFInfo
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- CN211234814U CN211234814U CN201921879731.2U CN201921879731U CN211234814U CN 211234814 U CN211234814 U CN 211234814U CN 201921879731 U CN201921879731 U CN 201921879731U CN 211234814 U CN211234814 U CN 211234814U
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Abstract
The utility model provides a pressure and flow measuring device, which comprises a flow measuring structure and a pressure measuring structure; the flow measurement structure comprises a measurement conduit and a shell, wherein a pressure guide hole penetrating along the radial direction of the measurement conduit is formed in the measurement conduit, the shell is sleeved on the measurement conduit, and an installation space is formed by the inner side wall of the shell and the outer peripheral wall of the measurement conduit in a surrounding manner; the pressure measuring structure comprises a pressure sensor, the pressure sensor is arranged on the outer end face of the pressure guide hole and arranged in the installation space, and the pressure sensor is used for measuring the pressure of water in the measuring guide pipe. The utility model provides a pressure and flow measuring device, through with pressure sensor integration on the measuring catheter of flow measurement structure, and protect pressure sensor through the shell to prevent that pressure sensor from being damaged, improved pressure sensor's life.
Description
Technical Field
The utility model belongs to the technical field of the water pipe pressure measurement, more specifically say, relate to a pressure and flow measuring device.
Background
A pressure gauge is required to be arranged on the water pipe to measure the water pressure so as to detect the water supply pressure in the water pipe; meanwhile, an electromagnetic flowmeter/an electromagnetic water meter is also required to be arranged on the water pipe for flow measurement. The pressure sensor of the existing pressure gauge is mainly installed in three ways: firstly, a hole is directly formed in a water pipe, and a pressure sensor is connected in the hole in a sealing manner so as to measure the water pressure in the pipeline; secondly, a pressure leading pipe is connected to the water pipe, a pressure sensor is arranged in the pressure leading pipe, and the water pressure is transmitted to a converter of the pressure sensor/the electromagnetic flowmeter/the electromagnetic water meter through the pressure leading pipe so as to measure the water pressure in the pipeline; and thirdly, a mounting hole communicated with a water pipe is formed in a flange of a pressure gauge connected with the electromagnetic flowmeter/the electromagnetic water meter and the pipeline, and the pressure sensor is hermetically connected into the mounting hole so as to measure the water pressure in the pipeline. In the above three installation methods for measuring water pressure, the pressure sensor and the pressure measuring instrument are separately installed, so that the external pressure sensor and the connection line connecting the pressure sensor and the pressure measuring instrument are exposed outside the electromagnetic flow meter/electromagnetic water meter. Expose in the pressure sensor or the interconnecting link of the outside of water pipe, not only need arrange unnecessary interconnecting link, cause the circuit to distribute complicatedly, cause the pressure gauge installation difficulty, increase the installation cost of pressure gauge, moreover in electromagnetic flowmeter/electromagnetic water meter pipeline construction or maintenance period, naked pressure sensor or interconnecting link receive the collision of foreign matter or external force easily and take place to damage. In addition, bare pressure sensors or connections are also susceptible to environmental influences, which accelerate aging and cause failures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure and flow measuring device to solve pressure sensor and expose the technical problem who leads to easy damage outside.
In order to achieve the above object, the utility model adopts the following technical scheme: a pressure and flow measuring device is provided, which comprises a flow measuring structure and a pressure measuring structure; the flow measurement structure comprises a measurement conduit and a shell, wherein a pressure guide hole penetrating along the radial direction of the measurement conduit is formed in the measurement conduit, the shell is sleeved on the measurement conduit, and an installation space is formed by the inner side wall of the shell and the peripheral wall of the measurement conduit in a surrounding manner; the pressure measuring structure comprises a pressure sensor, the pressure sensor is arranged on the outer end face of the pressure leading hole and arranged in the installation space, and the pressure sensor is used for measuring the pressure of water in the measuring guide pipe.
Optionally, the pressure measurement structure further comprises a mounting seat, the mounting seat is attached to the outer peripheral wall of the measurement catheter, a mounting hole communicated with the pressure guiding hole is formed in the mounting seat, the pressure sensor is mounted at the mounting hole, and a probe of the pressure sensor extends into the mounting hole.
Optionally, the pressure guiding hole is opened at a middle position of the measurement duct in the vertical direction, and the pressure sensor is installed at the middle position of the measurement duct in the vertical direction.
Optionally, the casing includes a surrounding plate and two supporting plates, the two supporting plates are respectively sleeved on the measuring catheter and are arranged at intervals, the surrounding plate is sleeved on the measuring catheter, two ends of the surrounding plate in the axial direction are respectively connected with peripheries of the two supporting plates, and the two supporting plates, the measuring catheter and the surrounding plate surround to form the installation space; the flow measurement structure also comprises a coil which is wound outside the measurement conduit and is positioned between the two support plates.
Optionally, the flow measurement structure further includes an electrode, a first connection line, and a converter, the electrode is mounted on the measurement catheter, the converter is disposed on the housing and is communicated with the housing, the converter is electrically connected to the electrode through the first connection line, and the first connection line extends from the housing to the inside of the converter;
the pressure measurement structure further comprises a pressure display assembly and a second connecting wire, the second connecting wire is electrically connected between the pressure sensor and the pressure display assembly, and the pressure display assembly is used for displaying pressure data.
Optionally, the pressure display assembly is disposed in the converter, and the second connecting line extends from the housing to the inside of the converter.
Optionally, a first dial plate is arranged on the converter, the first dial plate includes the pressure display assembly, the first dial plate is electrically connected with the first connecting line and the second connecting line respectively, and the first dial plate is used for displaying flow data and pressure data.
Optionally, a second dial plate and a third dial plate are arranged on the converter, the second dial plate is electrically connected with the first connecting line and used for displaying flow data, the third dial plate comprises the pressure display assembly, and the third dial plate is electrically connected with the second connecting line and used for displaying pressure data.
Optionally, the pressure display assembly is disposed outside the housing, the pressure display assembly includes a pressure display assembly, and the second connection line is disposed inside the housing.
Optionally, the measurement catheter is provided with a signal electrode hole for mounting the electrode, and the pressure guiding hole and the signal electrode hole are located at the same height and are arranged at intervals in the axial direction of the measurement catheter.
The utility model provides a pressure and flow measuring device's beneficial effect lies in: compared with the prior art, the utility model discloses a pressure and flow measuring device includes flow measuring structure and pressure measurement structure for this measuring device possesses pressure measurement and flow measuring's function simultaneously, and the function is diversified, and equipment integrates, practices thrift the cost on the whole, saves space, is convenient for install. Meanwhile, the pressure sensor is arranged on the outer end face of the pressure leading hole of the measuring conduit, so that the occupied space of the pressure sensor can be saved, the pressure of water in the measuring conduit can be directly measured, meanwhile, an electrode hole needs to be machined on the measuring conduit, the pressure leading hole is additionally arranged on the basis of the electrode hole, and the pressure leading hole is convenient to machine. And locate pressure sensor in the installation space, can avoid pressure sensor and interconnecting link to touch the damage in construction or use to prolong pressure sensor's life, practiced thrift the cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic front view of a pressure and flow measurement device provided in an embodiment of the present application;
FIG. 2 is a side schematic view of the pressure and flow measuring device of FIG. 1;
FIG. 3 is a schematic illustration in partial cross-section of the pressure and flow measuring device of FIG. 1;
FIG. 4 is a schematic cross-sectional view A-A of the pressure and flow measuring device of FIG. 3;
FIG. 5 is a partial schematic view of portion B of FIG. 4;
FIG. 6 is a schematic cross-sectional view of the pressure and flow measuring device of FIG. 1.
Wherein, in the figures, the respective reference numerals:
10-a flow measurement structure; 20-a pressure measurement structure; 11-a measuring catheter; 12-a first connection line; 13-an electrode; 14-a liner; 15-a housing; 16-a converter; 17-installation space; 21-a pressure sensor; 22-a mounting seat; 23-a second connecting line; 24-a pressure display assembly; 110-pressure-leading hole; 111-signal electrode hole; 151-coaming; 152-enclosing plates; 161-a first dial; 220-mounting holes;
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, a pressure and flow measuring device according to the present invention will be described. The pressure and flow measuring device can be used for measuring the pressure and flow of water in the water pipe at the same time.
The pressure and flow rate measuring device includes a flow rate measuring structure 10 and a pressure measuring structure 20. Wherein the flow measurement structure may be an electromagnetic flow meter or an electromagnetic water meter.
Referring to fig. 3 to 5, the measuring guide tube 11 is provided with a pressure guiding hole 110 penetrating along the radial direction of the measuring guide tube 11, the housing 15 is sleeved on the measuring guide tube 11, and an installation space 17 is formed by the inner side wall of the housing 15 and the outer peripheral wall of the measuring guide tube 11. The pressure measuring structure 20 includes a pressure sensor 21, the pressure sensor 21 being installed at an outer end surface of the pressure introduction hole 110 and provided in the installation space 17, the pressure sensor 21 being for measuring a pressure of water in the measuring pipe 11.
The utility model provides a pressure and flow measuring device includes flow measuring structure 10 and pressure measuring structure 20 for this measuring device possesses pressure measurement and flow measuring's function simultaneously, and the function is diversified, and equipment integrates, practices thrift the cost on the whole, saves space, is convenient for install. Meanwhile, the pressure sensor 21 is arranged on the outer end face of the pressure guiding hole 110 of the measuring conduit 11, so that the occupied space of the pressure sensor 21 can be saved, the pressure of water in the measuring conduit 11 can be directly measured, meanwhile, an electrode hole needs to be machined on the measuring conduit 11, the pressure guiding hole 110 is additionally arranged on the basis of the electrode hole, and the pressure guiding hole is convenient to machine. The pressure sensor 21 is arranged in the installation space 17, so that the pressure sensor 21 and the connecting line can be prevented from being touched and damaged in the construction or use process, the service life of the pressure sensor 21 is prolonged, and the cost is saved.
In one embodiment, referring to fig. 5, the pressure measuring device further includes a mounting seat 22, and the mounting seat 22 is used for mounting the pressure sensor 21 on the measuring tube 11. Specifically, the mounting seat 22 is attached to the outer peripheral wall of the measurement duct 11, the mounting seat 22 is provided with a mounting hole 220 communicated with the pressure guiding hole 110, the pressure sensor 21 is mounted at the mounting hole 220, and the probe of the pressure sensor 21 extends into the mounting hole 220, so as to measure the pressure of the water in the measurement duct 11. Because 11 periphery walls of measuring pipe are the arcwall face, and it is difficult to set up the mounting hole that is fit for installing pressure sensor 21 on measuring pipe 11, consequently sets up mount pad 22, and mount pad 22 inboard sets up with 11 periphery walls of measuring pipe laminating, and the mount pad 22 outside is sealed with pressure sensor 21 and is laminated, so can guarantee measuring pipe 11's leakproofness, the installation of the pressure sensor 21 of also being convenient for simultaneously.
In one embodiment, the mounting seat 22 may be attached to the outer peripheral wall of the measuring tube 11 by welding, gluing, or the like.
In one embodiment, the pressure guiding hole 110 is disposed at a middle position of the measuring tube 11 in the vertical direction, where it should be noted that, during operation, the measuring tube 11 is horizontally disposed, and therefore, the vertical direction referred to herein is the vertical direction in fig. 4, and the pressure guiding hole 110 is disposed at a middle position of the measuring tube 11, that is, the position where the pressure guiding hole 110 is located at the leftmost side or the rightmost side in fig. 4. Similarly, the pressure sensor 21 is installed at the middle position of the measuring duct 11 in the vertical direction, that is, the pressure sensor 21 is installed at the leftmost side or the rightmost side in fig. 4, so that the influence of the accumulation or the scaling of the impurities at the lower part of the measuring duct 11 on the flow measurement can be avoided, and the influence of the measurement of the air flow existing at the upper part of the measuring duct 11 on the flow measurement can be prevented, which reduces the measurement accuracy of the flow measurement structure 10, and even causes the measurement to be inaccurate or impossible. It is understood that in other embodiments of the present application, the positions of the pressure guiding hole 110 and the pressure sensor 21 on the measuring conduit 11 may be adjusted up and down according to actual conditions and specific requirements, and are not limited herein.
In an embodiment, referring to fig. 6, the housing 15 includes a surrounding plate 151 and two supporting plates 152, the two supporting plates 152 are both annular, the two supporting plates 152 are respectively sleeved on the measuring catheter 11 and are arranged at intervals along the axial direction of the measuring catheter 11, the surrounding plate 151 is cylindrical, the surrounding plate 151 is sleeved on the measuring catheter 11 and is respectively connected with the peripheries of the two supporting plates 152 along the axial direction of the measuring catheter 11, the two supporting plates 152, the measuring catheter 11 and the surrounding plate 151 surround to form the mounting space 17, and the pressure sensor 21 is arranged in the mounting space 17, so that the pressure sensor 21 can be fully protected. In addition, flow measurement structure 10 still includes the coil, and the coil belongs to magnetic circuit, and the coil is around locating outside measuring catheter 11 and being located between two backup pads 152, and like this, two backup pads 152 not only play the winding effect to the coil, can also play the guard action to pressure sensor 21 simultaneously, and its simple structure is convenient for processing and installation.
Specifically, the two supporting plates 152 may be connected to the measuring catheter 11 by welding, adhering, or interference fit, and the surrounding plate 151 and the two supporting plates 152 may be connected by welding, screw locking, or riveting, which is not limited herein.
In one embodiment, referring to fig. 3, the flow measuring structure 10 further includes a first connecting line 12, the electrode 13 is mounted on the measuring tube 11, the transducer 16 is disposed on the housing 15 and is in communication with the housing 15, the transducer 16 and the electrode 13 are electrically connected through the first connecting line 12, and the first connecting line 12 extends from the housing 15 to the inside of the transducer 16. Specifically, the left and right side walls of the measurement duct 11 are respectively provided with a signal electrode hole 111, the upper and lower side walls of the measurement duct 11 are respectively provided with a ground electrode hole, the electrode 13 comprises a signal electrode and a ground electrode, the signal electrode and the ground electrode are respectively installed on the signal electrode hole 111 and the ground electrode hole, the magnetic circuit system is used for generating an alternating magnetic field along the vertical direction, a connecting line between the two signal electrodes is perpendicular to the alternating magnetic field and is in conductive connection with liquid in the measurement duct 11, so that an induced potential signal is generated, the induced potential signal is transmitted to the converter 16 through the first connecting line 12, and the converter 16 amplifies and converts the induced potential signal into a uniform standard signal and suppresses main interference signals.
Referring to fig. 3, the pressure measurement structure 20 further includes a pressure display module 24 and a second connection line 23, the pressure display module 24 is disposed in the converter 16, the second connection line 23 is connected between the pressure display module 24 and the pressure sensor 21, the second connection line 23 extends from the housing 15 to the inside of the converter 16, and transmits data measured by the pressure sensor 21 to the pressure display module 24 for the pressure display module 24 to read. In the embodiment, the pressure display module 24 is integrated in the converter 16, and the second connection line 23 is accommodated in the housing 15 and the converter 16, so that on one hand, the second connection line 23 is protected, the service life of the second connection line 23 is prolonged, and the cost is saved, on the other hand, the whole pressure measurement structure 20 is integrated in the whole flow measurement structure 10, so that the installation space is saved, the installation is convenient, the cost is saved, and the water pressure measurement can be performed while the flow of the water pipe is measured. It is understood that, in other embodiments of the present invention, the pressure display module 24 may be directly exposed and installed outside the housing 15, and then the second connection line 23 is buried in the housing 15, which can also protect the second connection line 23, and is not limited herein.
In one embodiment, referring to fig. 3, the converter 16 is provided with a first dial plate 161, the first dial plate 161 includes a pressure display assembly 24, the first dial plate 161 is electrically connected to the first connection line 12 and the second connection line 23, respectively, and the first dial plate 161 is used for displaying flow data and pressure data. Specifically, the first dial plate 161 is disposed on the outer end face of the converter 16, and the flow data and the pressure data can be read out by observing the first dial plate 161, that is, the pressure display component of the pressure measurement structure 20 is integrated in the first dial plate 161 of the converter 16 itself, and the specific operation is to connect the second connection line 23 to the first dial plate of the converter 16, and by setting the first dial plate, the first dial plate can be used for displaying the flow data and the pressure data at the same time, so that the structural cost, the assembly cost and the like of the whole measurement device can be greatly reduced.
In another embodiment of the present application, the converter 16 is provided with a second dial and a third dial, and it should be noted that the "second dial" and the "third dial" are merely used for distinguishing the names from the "first dial 161", and do not represent that the "second dial" and the "third dial" are also provided in the case of the "first dial 161". The second dial plate is connected with first connecting wire 12 electricity and is used for showing flow data, and the third dial plate includes pressure display component 24, and the third dial plate is connected with second connecting wire 23 electricity and is used for showing pressure data, promptly, sets up pressure display component and second dial plate respectively in the pressure measurement structure 20, so, can show pressure data and flow data respectively, and need not to carry out special treatment to the second dial plate.
In another embodiment of the present application, the pressure indicator assembly 24 is not integrated into the transducer 16, the pressure indicator assembly 24 is separately mounted on the housing 15, and the second connecting line 23 is disposed in the housing 15, which also protects the second connecting line 23.
In one embodiment, referring to fig. 1, the pressure guiding hole 110 and the signal electrode hole 111 are located at the same height and are spaced apart from each other along the axial direction of the measuring tube 11, so that the pressure sensor 21 can avoid the coil, and the second connecting line 23 can be routed in the same manner as the first connecting line 12.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The pressure and flow measuring device is characterized by comprising a flow measuring structure and a pressure measuring structure; the flow measurement structure comprises a measurement conduit and a shell, wherein a pressure guide hole penetrating along the radial direction of the measurement conduit is formed in the measurement conduit, the shell is sleeved on the measurement conduit, and an installation space is formed by the inner side wall of the shell and the peripheral wall of the measurement conduit in a surrounding manner; the pressure measuring structure comprises a pressure sensor, the pressure sensor is arranged on the outer end face of the pressure leading hole and arranged in the installation space, and the pressure sensor is used for measuring the pressure of water in the measuring guide pipe.
2. The pressure and flow measuring device of claim 1, wherein the pressure measuring structure further comprises a mounting seat, the mounting seat is attached to the outer peripheral wall of the measuring conduit, a mounting hole communicated with the pressure guiding hole is formed in the mounting seat, the pressure sensor is mounted at the mounting hole, and a probe of the pressure sensor extends into the mounting hole.
3. The pressure and flow measuring device according to claim 1, wherein the pilot pressure hole is opened at a middle position in a vertical direction of the measuring pipe, and the pressure sensor is installed at a middle position in a vertical direction of the measuring pipe.
4. The pressure and flow measuring device of claim 1, wherein the housing includes a shroud and two support plates, the two support plates are respectively sleeved on the measuring conduit and are spaced apart from each other, the shroud is sleeved on the measuring conduit and is connected to the peripheries of the two support plates at two ends in the axial direction, and the two support plates, the measuring conduit and the shroud enclose the installation space; the flow measurement structure also comprises a coil which is wound outside the measurement conduit and is positioned between the two support plates.
5. The pressure and flow measuring device of claim 1, wherein the flow measuring structure further comprises an electrode mounted on the measuring conduit, a first connecting wire disposed on and in communication with the housing, and a transducer electrically connected to the electrode by the first connecting wire, the first connecting wire extending from the housing into the transducer;
the pressure measurement structure further comprises a pressure display assembly and a second connecting wire, the second connecting wire is electrically connected between the pressure sensor and the pressure display assembly, and the pressure display assembly is used for displaying pressure data.
6. The pressure and flow measuring device of claim 5, wherein the pressure indicating assembly is disposed within the transducer, and the second connecting wire extends from the housing into the interior of the transducer.
7. The pressure and flow measuring device of claim 6, wherein a first dial is provided on said transducer, said first dial including said pressure display assembly, said first dial being electrically connected to said first connection line and said second connection line, respectively, said first dial being adapted to display flow data and pressure data.
8. The pressure and flow measuring device of claim 6, wherein a second dial and a third dial are provided on the transducer, the second dial being electrically connected to the first connecting line for displaying flow data, the third dial including the pressure display assembly, the third dial being electrically connected to the second connecting line for displaying pressure data.
9. The pressure and flow measuring device of claim 5, wherein said pressure indicating assembly is disposed outside of said housing and said second connecting line is disposed inside of said housing.
10. The pressure and flow measuring device of claim 5, wherein the electrodes comprise a signal electrode and a ground electrode, the measuring conduit is provided with a signal electrode hole and a ground electrode hole for mounting the signal electrode and the ground electrode, respectively, and the pressure guiding hole and the signal electrode hole are located at the same height and are spaced apart from each other in an axial direction of the measuring conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879731.2U CN211234814U (en) | 2019-11-04 | 2019-11-04 | Pressure and flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879731.2U CN211234814U (en) | 2019-11-04 | 2019-11-04 | Pressure and flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211234814U true CN211234814U (en) | 2020-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921879731.2U Active CN211234814U (en) | 2019-11-04 | 2019-11-04 | Pressure and flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211234814U (en) |
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2019
- 2019-11-04 CN CN201921879731.2U patent/CN211234814U/en active Active
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Address after: 518000 3203, block D, building 1, Section 1, Chuangzhi Yuncheng, Liuxian Avenue, Xili community, Xili street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Tuoan Trust Internet of Things Co.,Ltd. Address before: 518000 Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ANSO MEASUREMENT & CONTROL INSTRUMENTS CO.,LTD. |
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