CN117759770A - Flow valve - Google Patents
Flow valve Download PDFInfo
- Publication number
- CN117759770A CN117759770A CN202410111395.6A CN202410111395A CN117759770A CN 117759770 A CN117759770 A CN 117759770A CN 202410111395 A CN202410111395 A CN 202410111395A CN 117759770 A CN117759770 A CN 117759770A
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- Prior art keywords
- pressure
- flow
- taking
- inlet section
- opening
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- 239000012530 fluid Substances 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000011148 porous material Substances 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The present invention provides a flow valve comprising: the valve body and the flow detection device are arranged along the flow direction of the fluid to be detected, the valve body sequentially comprises an inlet section and a valve main body, the inlet section is provided with a pore canal communicated with the valve main body, the inlet section comprises a first end and a second end which are oppositely arranged, and the first end is connected with the valve main body; and one part of the flow detection device is connected to the second end and is matched with the structure of the second end, and at least one through hole is formed in one part of the flow detection device connected to the second end and is communicated with the pore canal of the inlet section. The invention combines the flowmeter with the valve, and solves the problem caused by the need of independent hole installation of the flowmeter.
Description
Technical Field
The invention belongs to the technical field of flowmeters, and particularly relates to a flow valve.
Background
Valves are a common type of plumbing fixture used to open and close plumbing, control flow direction, regulate and control parameters of the volume of medium being delivered. Valves are used as an integral accessory in a delivery pipeline and are usually connected to the pipeline by flanges. In general, the flowmeter is installed by placing the flowmeter into the pipeline by means of opening holes on the pipeline, etc., so as to complete the detection of the fluid flow. However, the adoption of the way of opening on the pipeline can damage the integrity of the pipeline, increase the leakage risk point on the pipeline, increase the maintenance access point, increase the workload of the maintainer and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flow valve, which combines a flowmeter with the valve, and solves the problem caused by the fact that the flowmeter needs to be independently provided with holes.
To solve or improve at least one of the above technical problems, according to an embodiment of the present invention, there is provided a flow valve, including: the valve comprises a valve body and a flow detection device, wherein the valve body sequentially comprises an inlet section and a valve body along the flow direction of fluid to be detected, the inlet section is provided with a pore canal communicated with the valve body, the inlet section comprises a first end and a second end which are oppositely arranged, and the first end is connected with the valve body;
and one part of the flow detection device is connected to the second end and is matched with the structure of the second end, and one part of the flow detection device connected to the second end is provided with at least one through hole which is communicated with the pore canal of the inlet section.
In some embodiments, the pore sizes of the pores at any location of the inlet section are the same.
In some embodiments, the flow detection device comprises a data acquisition unit and a data processing unit;
the data acquisition unit is electrically connected with the data processing unit, and a part of the data acquisition unit is connected with the second end of the inlet section so as to generate induction data through the tested fluid;
the data processing unit calculates the flow and/or the flow velocity of the fluid to be tested according to the sensing data.
In some embodiments, the data acquisition unit includes a pressure acquisition element and a pressure sensing element;
the pressure sensing element is connected with the data processing unit;
the pressure sensing element is connected to the second end of the inlet section, a first pressure taking channel and a second pressure taking channel are arranged on the pressure taking element, the first pressure taking channel and the second pressure taking channel are both communicated with the measured fluid and the pressure sensing element so as to convey the measured fluid to the pressure sensing element, the pressure sensing element detects the pressure difference of the measured fluid conveyed by the pressure taking element, and the data processing unit calculates the flow and/or the flow velocity of the measured fluid according to the pressure difference detected by the pressure sensing element.
In some embodiments, the first pressure relief channel forms a first opening at the periphery of the pressure relief element and extends toward the center of the pressure relief element, forming a second opening on the first end face of the pressure relief element;
the second pressure taking channel forms a third opening at the periphery of the pressure taking element and extends towards the center of the pressure taking element, and a fourth opening is formed on the second end surface of the pressure taking element;
the first end face and the second end face are oppositely arranged, and the distance from the first end face to the inlet section is greater than the distance from the second end face to the inlet section.
In some embodiments, the data acquisition unit further includes a flow guide rod, two ends of the flow guide rod are respectively communicated with the pressure-taking element and the pressure-sensing element, two flow guide holes are arranged in the flow guide rod, and the two flow guide holes are respectively communicated with the first pressure-taking channel and the second pressure-taking channel so as to guide the measured fluid to the pressure-sensing element.
In some embodiments, at least one through hole is disposed on the pressure-taking element, and a distance from the through hole closest to the second opening is equal to a distance from the through hole closest to the fourth opening.
In some embodiments, the number of the through holes is a plurality, and the diameters of the plurality of the through holes are the same.
In some embodiments, the pressure-taking element is a flange structure.
In some embodiments, the flow valve further comprises an opening degree adjusting device connected to the flow detection device to adjust the opening degree of the valve body according to the flow rate and/or the flow velocity of the fluid to be measured detected by the flow detection device.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the flow valve can achieve quite technical progress and practicality, has wide industrial application value, and has at least the following advantages:
the flow valve combines the flow meter and the valve, so that the flow meter can be installed at the same time without opening holes in a pipeline, the integrity of the pipeline is ensured, the leakage risk point of the pipeline is reduced, the workload of maintenance personnel for maintenance and overhaul is reduced, the flow detection device is arranged in a structure matched with the inlet section of the valve, the flow detection device is directly connected to one end of the inlet section far away from the valve main body, and the flow detection device can be directly connected with a conveying pipeline of a fluid to be measured through the part of the flow detection device, and the combination of the flow meter and the valve can be realized without any improvement on the valve body.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a schematic side view of a flow valve according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a pressure-taking element according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a pressure-taking element according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a pressure-taking element according to another embodiment of the present invention.
[ symbolic description ]
1: valve body
10: inlet section
11: valve main body
2: flow rate detection device
20: data acquisition unit
200: pressure-taking element
201: first pressure taking channel
2010: a first opening
2011: a second opening
202: second pressure taking channel
2021: a third opening
2022: fourth opening
203: through hole
210: pressure sensing element
220: flow guide rod
L1: first distance
L2: second distance
Detailed Description
In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description will refer to the specific implementation of the flow valve and the effects thereof according to the present invention with reference to the accompanying drawings and the preferred embodiments.
Referring now to fig. 1 in combination, there is provided a flow valve according to an embodiment of the present invention, comprising: a valve body 1 and a flow detection device 2.
The valve body 1 sequentially includes an inlet section 10 and a valve body 11 along the flow direction of the fluid to be measured, wherein the inlet section 10 has a duct (not shown), and the inlet section 10 is communicated with the valve body 11 through the duct.
In an embodiment, the pore diameters of pore channels at any position of the inlet section 10 of the valve body 1 are the same, so as to ensure the stability of the fluid to be tested flowing through the inlet section 10, so as to ensure the accuracy of the detection of the flow detection device 2.
It should be noted that, due to the error of the manufacturing process, there is a certain gap between the pore diameters of the pore passages at different positions of the inlet section 10, and the gap caused by the error should also be considered that the pore diameters of the pore passages at any position of the inlet section 10 are the same.
The valve body 1 may be a ball valve, a half ball valve, a gate valve, a butterfly valve, a needle valve, etc., and the present invention is not limited by the specific type of valve.
The inlet section 10 includes oppositely disposed first and second ends, wherein the first end is connected to the valve body 11 and the second end is connected to a portion of the flow sensing device 2. The structure of a part of the flow detection device 2 connected to the inlet section 10 is matched with the structure of the second end of the inlet section 10, so that the part of the flow detection device 2 connected to the inlet section 10 can be directly connected with a conveying pipeline of a fluid to be detected, and the combination of the flow detection device 2 and the valve body 1 can be realized without any modification to the valve body 1.
In order to facilitate the connection of the valve body 1 to the delivery pipe, the connection end of the valve body 1 to the delivery pipe (i.e. the second end of the inlet section 10) is provided in a flange structure. Based on this, in an embodiment, the portion of the flow detection device 2 connected to the inlet section 10 of the present invention is also configured as a flange structure, so that the connection between the valve main body 11 and the delivery pipe is achieved by connecting the portion of the flow detection device 2 connected to the inlet section 10 to the delivery pipe.
In one embodiment, as shown in fig. 1, the flow detection device 2 includes a data acquisition unit 20 and a data processing unit (not shown). The data acquisition unit 20 is electrically connected to the data processing unit, a portion of the data acquisition unit 20 is connected to the second end of the inlet section 10, so as to be capable of generating sensing data by the acquired fluid to be measured, and the data processing unit calculates the flow rate and/or the flow velocity of the fluid to be measured according to the sensing data.
In a specific embodiment, as shown in fig. 1, the data acquisition unit 20 includes a pressure sensing element 200 and a pressure sensing element 210, wherein the pressure sensing element 200 is connected to the pressure sensing element 210, and the pressure sensing element 210 is connected to the data processing unit.
Specifically, as shown in fig. 2-4, the pressure-taking element 200 is connected to the second end of the inlet section 10, and a first pressure-taking channel 201 and a second pressure-taking channel 202 are disposed on the pressure-taking element 200, and the first pressure-taking channel 201 and the second pressure-taking channel 202 are both connected to the measured fluid and the pressure-sensing element 210, so as to convey the measured fluid to the pressure-sensing element 210, so that the pressure-sensing element 210 detects the pressure difference of the measured fluid conveyed by the pressure-taking element 200. The data processing unit calculates the flow rate and/or the flow velocity of the fluid to be measured flowing through the valve body 1 according to the pressure difference of the fluid to be measured detected by the pressure sensing element 210.
The data processing unit may be connected to the pressure sensing element 210 by a wired connection manner, or may be connected to the pressure sensing element 210 by a wireless connection manner, which is only required to be capable of realizing data transmission, and the invention is not limited thereto.
Optionally, the data processing unit is an integrating instrument, and the pressure sensing element 210 is a differential pressure transmitter.
In an embodiment, as shown in fig. 2 to 4, the first pressure taking channel 201 forms a first opening 2010 on the outer periphery of the pressure taking element 200 and extends toward the center of the pressure taking element 200, forms a second opening 2011 on the first end surface of the pressure taking element 200, and the first opening 2010 and the second opening 2011 are in a communicating state; the second pressure-taking passage 202 forms a third opening 2021 on the outer periphery of the pressure-taking member 200 and extends toward the center of the pressure-taking member 200, and forms a fourth opening 2022 on the second end face of the pressure-taking member 200, the third opening 2021 and the fourth opening 2022 being in communication.
The first end surface and the second end surface of the pressure taking element 200 are oppositely arranged, and the distance from the first end surface to the inlet section 10 is larger than the distance from the second end surface to the inlet section 10.
In this embodiment, the fluid to be measured enters the first pressure-taking channel 201 and the second pressure-taking channel 202 through the second opening 2011 of the first pressure-taking channel 201 and the fourth opening 2022 of the second pressure-taking channel 202, respectively, and is finally introduced into the pressure-sensing element 210.
In one embodiment, as shown in fig. 2, at least one through hole 203 is provided on the pressure-taking element 200, so that the fluid to be measured enters the valve body 1 through the at least one through hole 203. The distance between the through hole 203 closest to the second opening 2011 of the first pressure taking channel 201 and the second opening 2011 in the at least one through hole 203 is a first distance L1, and the distance between the through hole 203 closest to the fourth opening 2022 of the second pressure taking channel 202 and the fourth opening 2022 is a second distance L2. In order to avoid that the flow rates of the fluid to be measured flowing through the second opening 2011 and the fourth opening 2022 are not uniform due to the difference in the distance between the second opening 2011 and the fourth opening 2022 and the through hole 203, and finally, errors in the detection of the flow rate and/or the flow velocity occur, the first distance L1 is set to be the same as the second distance L2.
It is understood that, when the plurality of through holes 203 are provided on the pressure-taking element 200, the through holes 203 closest to the second opening 2011 and the through holes 203 closest to the fourth opening 2022 may be the same through hole 203 or different through holes 203, which is not limited by the present invention.
In an embodiment, as shown in fig. 2, the number of the through holes 203 of the pressure-taking element 200 is multiple, and the diameters of the through holes 203 are the same, so as to ensure that the flow rate of the fluid to be measured flowing through the through holes 203 is consistent, and further, the accuracy of the flow rate and/or the flow velocity detection of the fluid to be measured can be effectively ensured.
In an embodiment, as shown in fig. 1, the data acquisition unit 20 further includes a pressure-taking guide rod 220, two ends of the guide rod 220 are respectively connected to the pressure-taking element 200 and the pressure-sensing element 210, two guide holes (not shown in the drawing) are disposed in the guide rod 220, and the two guide holes are respectively connected to the first pressure-taking channel 201 and the second pressure-taking channel 202 of the pressure-taking element 200, so as to guide the fluid to be measured to the pressure-sensing element 210.
Optionally, the two diversion holes of the diversion rod 220 are respectively communicated with the first opening 2010 of the first pressure taking channel 201 and the third opening 2021 of the second pressure taking channel 202, after the fluid to be measured flows into the second opening 2011 and the fourth opening 2022, the fluid to be measured flows into the two diversion holes of the diversion rod 220 from the first opening 2010 and the second opening 2011, and finally is diverted to the pressure sensing element 210 through the diversion holes.
In one embodiment, as shown in fig. 2, the pressure-taking element 200 has a flange structure, so as to connect with the delivery pipe of the fluid to be measured, and finally realize the communication between the flow valve and the delivery pipe.
In an embodiment, the flow valve further comprises an opening degree adjusting device (not shown in the figure), which is connected to the flow detecting device 2 to adjust the opening degree of the valve body 1 according to the flow rate and/or the flow velocity of the fluid to be measured detected by the flow detecting device 2.
The valve body 1 further comprises a valve shaft and a valve core, the valve core is arranged in the valve body 1, a part of the valve shaft stretches into the valve body 1 and is connected with the valve core, and then the valve core can be driven to rotate through the valve shaft to adjust the opening of the valve body 1, so that the flow and/or the flow velocity of the fluid to be measured can be adjusted.
Optionally, the opening adjusting device is connected to a valve shaft of the valve body 1 to drive the valve shaft to rotate and drive the valve core to rotate.
In one embodiment, the opening degree adjusting device is a motor.
The flow valve combines the flow meter and the valve, so that the flow meter can be installed at the same time without opening holes in a pipeline, the integrity of the pipeline is ensured, the leakage risk point of the pipeline is reduced, the workload of maintenance personnel for maintenance and overhaul is reduced, the flow detection device is arranged in a structure matched with the inlet section of the valve, the flow detection device is directly connected to one end of the inlet section far away from the valve main body, and the flow detection device can be directly connected with a conveying pipeline of a fluid to be measured through the part of the flow detection device, and the combination of the flow meter and the valve can be realized without any improvement on the valve body.
The present invention is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalents and modifications can be made to the above-mentioned embodiments without departing from the scope of the invention.
Claims (10)
1. A flow valve, comprising: the valve comprises a valve body and a flow detection device, wherein the valve body sequentially comprises an inlet section and a valve body along the flow direction of fluid to be detected, the inlet section is provided with a pore canal communicated with the valve body, the inlet section comprises a first end and a second end which are oppositely arranged, and the first end is connected with the valve body;
and one part of the flow detection device is connected to the second end and is matched with the structure of the second end, and one part of the flow detection device connected to the second end is provided with at least one through hole which is communicated with the pore canal of the inlet section.
2. A flow valve according to claim 1, wherein the pore diameters of the pore passages at any position of the inlet section are the same.
3. The flow valve according to claim 1, wherein the flow detection means comprises a data acquisition unit and a data processing unit;
the data acquisition unit is electrically connected with the data processing unit, and a part of the data acquisition unit is connected with the second end of the inlet section so as to generate induction data through the tested fluid;
the data processing unit calculates the flow and/or the flow velocity of the fluid to be tested according to the sensing data.
4. The flow valve according to claim 1, wherein the data acquisition unit comprises a pressure pickup element and a pressure sensing element;
the pressure sensing element is connected with the data processing unit;
the pressure sensing element is connected to the second end of the inlet section, a first pressure taking channel and a second pressure taking channel are arranged on the pressure taking element, the first pressure taking channel and the second pressure taking channel are both communicated with the measured fluid and the pressure sensing element so as to convey the measured fluid to the pressure sensing element, the pressure sensing element detects the pressure difference of the measured fluid conveyed by the pressure taking element, and the data processing unit calculates the flow and/or the flow velocity of the measured fluid according to the pressure difference detected by the pressure sensing element.
5. A flow valve according to claim 3, wherein the first pressure-taking passage forms a first opening at the outer periphery of the pressure-taking element and extends toward the center of the pressure-taking element, and a second opening is formed on the first end surface of the pressure-taking element;
the second pressure taking channel forms a third opening at the periphery of the pressure taking element and extends towards the center of the pressure taking element, and a fourth opening is formed on the second end surface of the pressure taking element;
the first end face and the second end face are oppositely arranged, and the distance from the first end face to the inlet section is greater than the distance from the second end face to the inlet section.
6. The flow valve according to claim 5, wherein the data acquisition unit further comprises a flow guide rod, two ends of the flow guide rod are respectively communicated with the pressure-taking element and the pressure-sensing element, two flow guide holes are formed in the flow guide rod, and the two flow guide holes are respectively communicated with the first pressure-taking channel and the second pressure-taking channel so as to guide the fluid to be measured to the pressure-sensing element.
7. A fluid measuring device according to claim 5 or 6, wherein at least one of said through holes is provided in said pressure tapping element, the distance from said through hole closest to said second opening being equal to the distance from said through hole closest to said fourth opening.
8. The flow valve according to claim 7, wherein the number of the through holes is plural, and the diameters of the plural through holes are the same.
9. The flow valve of claim 4, wherein the pressure relief member is a flange structure.
10. A flow valve according to claim 1, further comprising an opening adjustment device connected to the flow detection device for adjusting the opening of the valve body in dependence of the flow and/or flow rate of the fluid under test detected by the flow detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410111395.6A CN117759770A (en) | 2024-01-26 | 2024-01-26 | Flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410111395.6A CN117759770A (en) | 2024-01-26 | 2024-01-26 | Flow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117759770A true CN117759770A (en) | 2024-03-26 |
Family
ID=90310615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410111395.6A Pending CN117759770A (en) | 2024-01-26 | 2024-01-26 | Flow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117759770A (en) |
-
2024
- 2024-01-26 CN CN202410111395.6A patent/CN117759770A/en active Pending
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