CN219694240U - Porous balance orifice flowmeter with rotatable middle orifice plate - Google Patents
Porous balance orifice flowmeter with rotatable middle orifice plate Download PDFInfo
- Publication number
- CN219694240U CN219694240U CN202320390654.4U CN202320390654U CN219694240U CN 219694240 U CN219694240 U CN 219694240U CN 202320390654 U CN202320390654 U CN 202320390654U CN 219694240 U CN219694240 U CN 219694240U
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- orifice
- plate
- throttle
- fixedly connected
- flowmeter
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- 244000309464 bull Species 0.000 claims 6
- 230000003068 static effect Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 18
- 238000007789 sealing Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a porous balance orifice flowmeter with a rotatable middle orifice, which comprises: a tube body; the throttle mechanism comprises a throttle plate and a shell, wherein the bottom and the top of the throttle plate are respectively and fixedly connected with a first rotating rod and a second rotating rod, the top of the second rotating rod is fixedly connected with an angle sensor, the bottom of the first rotating rod penetrates through an inner cavity of the shell and is fixedly sleeved with a driven gear, the bottom of the shell is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with a stepping motor, and an output shaft of the stepping motor is fixedly sleeved with a driving gear. The utility model has the advantages of improve the velocity of flow, solved current orifice flowmeter in the in-process of using, orifice flowmeter inside orifice can carry out a large amount of throttles, makes the inside static pressure difference of orifice flowmeter rise fast, leads to the inside velocity of flow of pipeline to descend easily, has reduced pipeline conveying efficiency's problem.
Description
Technical Field
The utility model relates to the technical field of flow measurement, in particular to a porous balance orifice flowmeter with a rotatable middle orifice.
Background
The orifice plate flowmeter is a high-range ratio differential pressure flow device formed by matching a standard orifice plate with a multi-parameter differential pressure transmitter, can measure the flow of gas, steam, liquid and lead, and is widely applied to process control and measurement in the fields of petroleum, chemical industry, metallurgy, electric power, heat supply, water supply and the like. The method comprises the steps of generating a static pressure difference before and after a pore plate flowmeter, wherein the pressure difference has a certain functional relation with flow, the larger the flow is, the larger the pressure difference is, the differential pressure signal is transmitted to a differential pressure transmitter and is converted into a 4-20ma.DC analog signal to be output, the differential pressure signal is far transmitted to a flow integrating instrument, the measurement of fluid flow is realized, the intelligent differential pressure transmitter is utilized to automatically compensate working condition temperature/pressure, the measurement of fluid flow is realized, the flow calculation of the porous pore plate flowmeter with the patent number of CN109117579B can be realized, the throughput of the flowmeter is increased, the rotatable pore plate flowmeter with the patent number of CN210719273U is used for increasing the increase of pipeline flow through the rotation of the pore plate, but the pore plate of the flowmeter has a void, and the passing flow of a pipeline is also reduced in the process of carrying out flow measurement.
In the use process of the traditional orifice plate flowmeter, the orifice plate in the orifice plate flowmeter can be throttled in a large amount to enable the static pressure difference in the orifice plate flowmeter to rise rapidly, so that the flow velocity in the pipeline is easy to drop, and the conveying efficiency of the pipeline is reduced.
Disclosure of Invention
The utility model aims to provide a porous balance orifice flowmeter with a rotatable middle orifice plate, which has the advantage of improving the flow rate, and solves the problems that the static pressure difference in the orifice flowmeter is quickly increased, the flow rate in a pipeline is easily reduced and the pipeline conveying efficiency is reduced because the orifice plate in the orifice flowmeter can be throttled in a large amount in the use process of the traditional orifice flowmeter.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-orifice balance orifice plate flowmeter having a rotatable intermediate orifice plate, comprising:
a tube body;
the throttle mechanism comprises a throttle plate and a shell, wherein the bottom and the top of the throttle plate are respectively and fixedly connected with a first rotating rod and a second rotating rod, the top of the second rotating rod is fixedly connected with an angle sensor, the bottom of the first rotating rod penetrates through the inner cavity of the shell and is fixedly sleeved with a driven gear, the bottom of the shell is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with a stepping motor, and the output shaft of the stepping motor is fixedly sleeved with a driving gear;
and the differential pressure transmitter is fixedly arranged at the top of the pipe body.
In order to facilitate the installation of the pipe body, the rotatable porous balance orifice flowmeter with the middle orifice plate is preferable in the utility model, and the front side and the rear side of the pipe body are fixedly connected with connecting flanges.
In order to facilitate the rotation of the throttle plate, the rotatable porous balance orifice flowmeter of the middle orifice plate is preferably arranged in the inner cavity of the pipe body and is movably connected with the inner wall of the pipe body.
In order to facilitate the fixation of the shell, the rotatable porous balance orifice flowmeter with the middle orifice plate is preferable in the utility model, wherein the top of the shell is fixedly connected with a connecting piece, and the top of the connecting piece is fixedly connected with the bottom of the pipe body.
In order to facilitate throttling of fluid to form static pressure difference, the rotatable porous balance orifice flowmeter with the middle orifice plate is preferable, and a plurality of orifices are formed on the throttle plate.
In order to facilitate sealing of the first rotating rod and the second rotating rod, the rotatable porous balance orifice plate flowmeter of the middle orifice plate is preferable in the utility model, and sealing sleeves are rotatably connected to the surfaces of the first rotating rod and the second rotating rod and fixedly connected to the surface of the pipe body.
In order to facilitate the rotation of the driven gear, the surface of the driving gear is meshed with the surface of the driven gear as a rotatable porous balance orifice flowmeter of the utility model.
In order to facilitate the control of the operation of the stepping motor, the rotatable porous balance orifice flowmeter with the middle orifice plate is preferably characterized in that a controller is fixedly arranged on the right side of the tube body, the output end of the angle sensor is electrically connected with the input end of the controller, and the output shaft end of the controller is electrically connected with the input end of the stepping motor.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the pipe body is arranged, the throttling mechanism and the differential pressure transmitter can be installed, the pipe body is connected to the pipeline through the connecting flange, a measured object can enter the pipe body, the differential pressure transmitter is arranged, the static pressure difference in the pipe body can be detected, the flow is detected according to the static pressure difference, and the controller is arranged, so that the throttling mechanism can be controlled, and the throttling mechanism is in a stop working state when the flow measurement is not performed.
2. The utility model can throttle the fluid in the throttle mechanism by arranging the throttle mechanism, so that static pressure difference is generated in the pipe body, the throttle mechanism comprises a throttle plate, the throttle plate is provided with throttle holes, the fluid can flow out through the throttle holes, the throttle plate is provided with a plurality of throttle holes, the controller can control the stepping motor to work when the flow rate of the fluid is increased, the stepping motor drives the driving gear to rotate, the driving gear drives the driven gear and the first rotating rod to synchronously rotate, the first rotating rod drives the throttle plate to rotate, the throttle plate rotates to enable the fluid in the pipe body to quickly pass through, the throttle plate rotates to drive the second rotating rod and the angle sensor to rotate, the angle sensor detects the rotating angle and transmits detection signals to the controller, after the set angle is reached, the controller turns off the stepping motor, and throttles at the reset throttle plate when the flow is required to be detected, and the sealing sleeve seals the joint of the first rotating rod and the second rotating rod and the pipe body to prevent leakage.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is an exploded view of the throttle mechanism of the present utility model.
In the figure: 1. a tube body; 2. a throttle mechanism; 201. a throttle plate; 202. a first rotating lever; 203. a connecting piece; 204. a drive gear; 205. a stepping motor; 206. a fixing plate; 207. a driven gear; 208. a housing; 209. an orifice; 210. a second rotating rod; 211. an angle sensor; 212. sealing sleeve; 3. a differential pressure transmitter; 4. a controller; 5. and (5) connecting the flanges.
Detailed Description
Referring to fig. 1-3, a multi-orifice balance orifice flowmeter with a rotatable intermediate orifice plate, comprising:
a tube body 1;
the throttle mechanism 2 comprises a throttle plate 201 and a shell 208, wherein the bottom and the top of the throttle plate 201 are respectively and fixedly connected with a first rotating rod 202 and a second rotating rod 210, the top of the second rotating rod 210 is fixedly connected with an angle sensor 211, the bottom of the first rotating rod 202 penetrates through the inner cavity of the shell 208 and is fixedly sleeved with a driven gear 207, the bottom of the shell 208 is fixedly connected with a fixed plate 206, the bottom of the fixed plate 206 is fixedly connected with a stepping motor 205, and the output shaft of the stepping motor 205 is fixedly sleeved with a driving gear 204;
and the differential pressure transmitter 3 is fixedly arranged at the top of the pipe body 1.
In this embodiment: through setting up body 1, can install throttle mechanism 2 and differential pressure transmitter 3, through setting up differential pressure transmitter 3, can detect the inside static pressure difference of body 1, and detect the flow according to static pressure difference, through setting up throttle mechanism 2, can throttle the inside fluid of throttle mechanism 2, make the inside of body 1 produce static pressure difference, throttle mechanism 2 has included throttle plate 201, throttle 209 has been seted up on throttle plate 201, the fluid can flow out through throttle 209, a plurality of throttle 209 have been seted up on throttle plate 201, can be when increasing the velocity of flow of fluid, when not measuring, controller 4 control stepper motor 205 work, stepper motor 205 drives driving gear 204 rotation, driving gear 204 drives driven gear 207 and first dwang 202 synchronous rotation, first dwang 202 drives throttle plate 201 rotation, make throttle plate 201 rotate 90 degrees, make the inside fluid of body 1 pass through fast, drive second dwang 210 and angle sensor 211 rotation when throttle plate 201 rotates, angle sensor 211 detects rotation angle, and transmit the detected signal to controller 4, after setting for angle, controller 205 detects when the flow when the controller 4 is closed, when it is required to reset to detect throttle plate 201.
As a technical optimization scheme of the utility model, the front side and the rear side of the pipe body 1 are fixedly connected with connecting flanges 5.
In this embodiment: the pipe body 1 is connected to the pipeline through the connecting flange 5, so that the object to be measured can enter the pipe body 1.
As a technical optimization scheme of the utility model, the throttle plate 201 is located in the inner cavity of the pipe body 1 and is movably connected with the inner wall of the pipe body.
In this embodiment: the throttle plate 201 is located in the inner cavity of the pipe body 1 and movably connected with the inner wall of the pipe body 1, so that the throttle plate 201 can rotate in the pipe body 1 conveniently.
As a technical optimization scheme of the utility model, a connecting piece 203 is fixedly connected to the top of a shell 208, and the top of the connecting piece 203 is fixedly connected to the bottom of a pipe body 1.
In this embodiment: the connecting piece 203 is connected to the bottom of the shell 208 and the pipe body 1, so that the shell 208 can be fixedly connected.
As a technical optimization scheme of the present utility model, a plurality of orifices 209 are formed on the throttle plate 201.
In this embodiment: by opening the orifice 209 in the throttle plate 201, the flow rate of the fluid can be detected by throttling the fluid.
As a technical optimization scheme of the utility model, the surfaces of the first rotating rod 202 and the second rotating rod 210 are both rotatably connected with a sealing sleeve 212, and the sealing sleeve 212 is fixedly connected with the surface of the pipe body 1.
In this embodiment: the first rotating rod 202 and the second rotating rod 210 rotate on the inner wall of the sealing sleeve 212 when rotating, and the sealing sleeve 212 seals the joint between the first rotating rod 202 and the second rotating rod 210 and the pipe body 1 to prevent leakage.
As a technical optimization scheme of the present utility model, the surface of the driving gear 204 is meshed with the surface of the driven gear 207.
In this embodiment: the step motor 205 drives the driving gear 204 to rotate, and the driving gear 204 drives the driven gear 207 and the first rotating lever 202 to rotate synchronously.
As a technical optimization scheme of the utility model, the controller 4 is fixedly installed on the right side of the tube body 1, the output end of the angle sensor 211 is electrically connected with the input end of the controller 4, and the output shaft end of the controller 4 is electrically connected with the input end of the stepping motor 205.
In this embodiment: by providing the controller 4, the throttle mechanism 2 can be controlled so that the throttle mechanism 2 is in a stopped state when the flow rate measurement is not performed.
Working principle:
when the device is used, the pipe body 1 is connected to a pipeline through the connecting flange 5, a measured object can enter the pipe body 1, after fluid enters the pipe body 1, the throttle mechanism 2 throttles the fluid, static pressure difference is generated in the pipe body 1, the differential pressure transmitter 3 detects the static pressure difference in the pipe body 1, the flow is detected according to the static pressure difference, the throttle mechanism 2 comprises a throttle plate 201, the throttle plate 201 is provided with throttle holes 209, the fluid can flow out through the throttle holes 209, the throttle plate 201 is provided with a plurality of throttle holes 209, the controller 4 can control the stepping motor 205 to work when the flow rate of the fluid is increased, the stepping motor 205 drives the driving gear 204 to rotate, the driving gear 204 drives the driven gear 207 and the first rotating rod 202 to synchronously rotate, the first rotating rod 202 drives the throttle plate 201 to rotate 90 degrees, the fluid in the pipe body 1 rapidly passes through, the throttle plate 201 rotates to drive the second rotating rod 210 and the angle sensor 211 to detect the rotating angle, and the detecting signal is transmitted to the controller 4, and when the controller 4 is reset, the controller is set to reset when the throttle plate 201 is required to be reset, and the flow is detected when the controller 4 is reset.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A multi-orifice balance orifice meter with a rotatable intermediate orifice plate, comprising:
a tube body (1);
the throttle mechanism (2), throttle mechanism (2) includes throttle plate (201) and casing (208), the bottom and the top of throttle plate (201) are fixedly connected with first bull stick (202) and second bull stick (210) respectively, the top fixedly connected with angle sensor (211) of second bull stick (210), the bottom of first bull stick (202) runs through to the inner chamber of casing (208) and fixed cover is equipped with driven gear (207), the bottom fixedly connected with fixed plate (206) of casing (208), the bottom fixedly connected with step motor (205) of fixed plate (206), the fixed cover of output shaft of step motor (205) is equipped with driving gear (204);
and the differential pressure transmitter (3), and the differential pressure transmitter (3) is fixedly arranged at the top of the pipe body (1).
2. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: connecting flanges (5) are fixedly connected to the front side and the rear side of the pipe body (1).
3. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: the throttle plate (201) is positioned in the inner cavity of the pipe body (1) and is movably connected with the inner wall of the pipe body.
4. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: the top of casing (208) fixedly connected with connecting piece (203), the top of connecting piece (203) is connected with the bottom of body (1) fixedly.
5. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: a plurality of throttle holes (209) are formed in the throttle plate (201).
6. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: the surface of first bull stick (202) and second bull stick (210) all rotates and is connected with seal cover (212), seal cover (212) fixed connection is in the surface of body (1).
7. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: the surface of the driving gear (204) is meshed with the surface of the driven gear (207).
8. A rotatable multi-orifice balance orifice plate flowmeter of claim 1, wherein: the right side of the pipe body (1) is fixedly provided with a controller (4), the output end of the angle sensor (211) is electrically connected with the input end of the controller (4), and the output shaft end of the controller (4) is electrically connected with the input end of the stepping motor (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320390654.4U CN219694240U (en) | 2023-03-06 | 2023-03-06 | Porous balance orifice flowmeter with rotatable middle orifice plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320390654.4U CN219694240U (en) | 2023-03-06 | 2023-03-06 | Porous balance orifice flowmeter with rotatable middle orifice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694240U true CN219694240U (en) | 2023-09-15 |
Family
ID=87969325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320390654.4U Active CN219694240U (en) | 2023-03-06 | 2023-03-06 | Porous balance orifice flowmeter with rotatable middle orifice plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694240U (en) |
-
2023
- 2023-03-06 CN CN202320390654.4U patent/CN219694240U/en active Active
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