CN211783638U - Low-flow turbine flowmeter - Google Patents
Low-flow turbine flowmeter Download PDFInfo
- Publication number
- CN211783638U CN211783638U CN202020853189.XU CN202020853189U CN211783638U CN 211783638 U CN211783638 U CN 211783638U CN 202020853189 U CN202020853189 U CN 202020853189U CN 211783638 U CN211783638 U CN 211783638U
- Authority
- CN
- China
- Prior art keywords
- turbine
- flowmeter
- low flow
- magnet
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a low flow turbine flowmeter, including the flowmeter body, flowmeter body one end fixedly connected with flange seal ring, the inside one side of flowmeter body is equipped with the chamber that catchments, it is equipped with pressure sensor to catchment chamber below one side, the adjacent one side of pressure sensor is equipped with miniature force pump, miniature force pump water inlet with the chamber intercommunication catchments, miniature force pump export one side is located catchment the inside turbine that is equipped with of intracavity, turbine top one side is equipped with magnet, magnet top one side is equipped with induction coil, signal amplifier is connected through the rotation axis to turbine one end, signal amplifier top one side fixed connection bracing piece one. The utility model discloses a setting up the chamber that catchments to be equipped with miniature force pump on catchmenting the chamber, catchment the chamber and can concentrate the water in the pipeline and carry, then promote turbine rotation after miniature force pump pressurization, thereby carry out flow detection statistics to the water in the low flow pipeline.
Description
Technical Field
The utility model relates to a low flow turbine flowmeter belongs to flowmeter technical field.
Background
Among various flowmeters, the turbine flowmeter, the positive displacement flowmeter and the Coriolis mass flowmeter are three products with the best repeatability and accuracy, and the turbine flowmeter has the characteristics of simple structure, few processing parts, light weight, convenient maintenance, large flow capacity (large flow which can pass through the same caliber), adaptability to high parameters (high temperature, high pressure and low temperature) and the like. The turbine flowmeter is the main type of speed flowmeter, when the measured fluid flows through the turbine flowmeter sensor, the impeller is forced to rotate under the action of the fluid, the rotating speed of the impeller is in direct proportion to the average flow speed of the pipeline, meanwhile, the blades periodically cut the magnetic force lines generated by the electromagnet, the magnetic flux of the coil is changed, according to the electromagnetic induction principle, a pulsating potential signal, namely an electric pulse signal, is induced in the coil, and the frequency of the electric pulse signal is in direct proportion to the flow of the measured fluid.
Because the turbine flowmeter is often used in a pipeline with a high flow speed, when the water flow speed is low, the turbine rotation amplitude is small, even the turbine does not rotate, and the flow detection precision is affected, a low-flow turbine flowmeter is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model overcomes current defect, provides a low flow turbine flowmeter, through setting up the chamber that catchments to be equipped with miniature force pump on catchmenting the chamber, catchment the chamber and can concentrate the water in the pipeline and carry, then promote turbine rotation after miniature force pump pressurization, thereby carry out flow detection statistics to the water in the low flow pipeline, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a low-flow turbine flowmeter comprises a flowmeter body, wherein one end of the flowmeter body is fixedly connected with a flange sealing ring, one side in the flowmeter body is provided with a water collecting cavity, one side below the water collecting cavity is provided with a pressure sensor, one side adjacent to the pressure sensor is provided with a miniature pressure pump, a water inlet of the miniature pressure pump is communicated with the water collecting cavity, one side of an outlet of the miniature pressure pump is positioned in the water collecting cavity and is provided with a turbine, one side above the turbine is provided with a magnet, one side above the magnet is provided with an induction coil, one end of the turbine is connected with a signal amplifier through a rotating shaft, one side above the signal amplifier is fixedly connected with a first supporting rod, the supporting rod extends upwards to the top end of the flowmeter body, the top end of the first supporting rod is provided with a, and the top ends of the two support rods are fixedly connected with a controller.
As a preferred technical scheme of the utility model, flange sealing ring one side fixedly connected with seal gasket, the seal groove has been seted up to seal gasket inside, be equipped with the display screen on the controller.
As a preferred technical scheme of the utility model, magnet with induction coil all locates inside the flowmeter body, induction coil locates the outside a week of magnet.
As an optimal technical scheme of the utility model, the turbine is the ferromagnetism turbine, an inside hollow structure that is of bracing piece, just a bracing piece inside is equipped with the wire, the signal amplifier output with the counter input passes through wire electric connection.
As an optimal technical scheme of the utility model, the chamber both ends shape of catchmenting is the toper, catchment the chamber minimum diameter with miniature force pump water inlet diameter is the same.
As a preferred technical scheme of the utility model, the pressure sensor output with the controller input passes through wire electric connection, the controller output with miniature pressure pump input passes through wire electric connection.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a setting up the chamber of catchmenting to be equipped with miniature force pump on catchmenting the chamber, catchmenting the chamber and can be concentrated the water in the pipeline and carry, then catchment the water of intracavity portion and promote turbine rotation after miniature force pump pressurization, thereby carry out flow measurement statistics to the water in the low flow pipeline, improve turbine flowmeter's detection precision.
2. The utility model discloses a set up pressure sensor in the intracavity portion that catchments, set up the controller in flowmeter body top, when the water pressure unstability in the pipeline, pressure sensor detects the water pressure of catchmenting the intracavity, then gives the controller with data transmission, and the miniature force pump operation is adjusted to controller send instruction, adjusts the water yield of miniature force pump to water pressure is too high or water pressure is low excessively in the pipeline all can detect the flow, improves turbine flowmeter's practicality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of the region a of the present invention.
Reference numbers in the figures: 1. a flowmeter body; 2. a flange seal ring; 3. a water collection cavity; 4. a pressure sensor; 5. a micro pressure pump; 6. a turbine; 7. a magnet; 8. an induction coil; 9. a rotating shaft; 10. a signal amplifier; 11. a first supporting rod; 12. a counter; 13. a second supporting rod; 14. a controller; 15. sealing gaskets; 16. a sealing groove; 17. a display screen.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in figures 1-3, a low-flow turbine flowmeter comprises a flowmeter body 1, one end of the flowmeter body 1 is fixedly connected with a flange sealing ring 2, one side inside the flowmeter body 1 is provided with a water collecting cavity 3, one side below the water collecting cavity 3 is provided with a pressure sensor 4, one side adjacent to the pressure sensor 4 is provided with a micro pressure pump 5, a water inlet of the micro pressure pump 5 is communicated with the water collecting cavity 3, one side of an outlet of the micro pressure pump 5 is positioned inside the water collecting cavity 3 and is provided with a turbine 6, one side above the turbine 6 is provided with a magnet 7, one side above the magnet 7 is provided with an induction coil 8, one end of the turbine 6 is connected with a signal amplifier 10 through a rotating shaft 9, one side above the signal amplifier 10 is fixedly connected with a first supporting rod 11, the first supporting rod 11 extends upwards to the top end of the flowmeter body 1, the, the top end of the second support rod 13 is fixedly connected with a controller 14.
As shown in fig. 1 and 2, a sealing gasket 15 is fixedly connected to one side of the flange sealing ring 2, a sealing groove 16 is formed in the sealing gasket 15, a display screen 17 is arranged on the controller, the two ends of the water collecting cavity 3 are conical, the minimum diameter of the water collecting cavity 3 is the same as the diameter of a water inlet of the micro pressure pump 5, and the water inlet pipe and the flowmeter body 1 can be sealed by the sealing gasket 15 and the sealing groove 16 to prevent water leakage.
As shown in fig. 2 and 3, the magnet 7 and the induction coil 8 are both disposed inside the flowmeter body 1, the induction coil 8 is disposed around the outside of the magnet 7, the turbine 6 is a ferromagnetic turbine, the inside of the first support rod 11 is a hollow structure, and a wire is disposed inside the first support rod 11, the output end of the signal amplifier 10 is electrically connected to the input end of the counter 12 through a wire, the output end of the pressure sensor 4 is electrically connected to the input end of the controller 14 through a wire, the output end of the controller 14 is electrically connected to the input end of the micro pressure pump 5 through a wire, the magnet 7 and the induction coil 8 can generate an induction signal, so that the signal amplifier 10 and the counter 12 can detect the rotation speed of.
Here, the pressure sensor, the micro pressure pump, the signal amplifier, the counter, and the controller are all in the prior art, and therefore, detailed descriptions thereof are omitted here.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In actual use: when the water flowmeter is used, the flange sealing plate 2 is butted with a water inlet pipe, a bolt is screwed by using a tool, the sealing gasket 15 and the sealing groove 16 can seal the water inlet pipe and the flowmeter body 1, then a switch of the water inlet pipe is turned on, the water inlet pipe conveys water to the flowmeter body 1, when the water enters the flowmeter body 1, the water can be concentrated in the water collecting cavity 3, then the water is pumped into the other side of the water collecting cavity 3 by the micro pressure pump 5 and is discharged, the turbine 6 is impacted by pressurized water to drive the turbine 6 to rotate, when the turbine 6 rotates, the magnetic resistance of the magnet 7 is changed, so that an induction signal is generated in the induction coil 8, the generated signal is amplified by the signal amplifier 10, and the counter 12 calculates the data of the signal amplifier 10 and then reacts the data on the display; when the pressure of the water inlet pipe is unstable, the pressure sensor 4 detects the pressure change and sends a signal to the controller 14, and the controller 14 releases an instruction to adjust the power of the miniature pressure pump 5, so that water entering the flowmeter body 1 can continuously push the turbine 6 to rotate, and the water quantity detection of the turbine flowmeter is more accurate.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. A low flow turbine flowmeter, including flowmeter body (1), its characterized in that: the flowmeter is characterized in that one end of the flowmeter body (1) is fixedly connected with a flange sealing ring (2), one side inside the flowmeter body (1) is provided with a water collecting cavity (3), one side below the water collecting cavity (3) is provided with a pressure sensor (4), one side adjacent to the pressure sensor (4) is provided with a micro pressure pump (5), a water inlet of the micro pressure pump (5) is communicated with the water collecting cavity (3), one side of an outlet of the micro pressure pump (5) is positioned inside the water collecting cavity (3) and is provided with a turbine (6), one side above the turbine (6) is provided with a magnet (7), one side above the magnet (7) is provided with an induction coil (8), one end of the turbine (6) is connected with a signal amplifier (10) through a rotating shaft (9), one side above the signal amplifier (10) is fixedly connected with a first supporting rod (11), and the first supporting rod (11), the top end of the first support rod (11) is provided with a counter (12), one side, adjacent to the counter (12), of the counter is located a second support rod (13) is arranged at the center above the flowmeter body (1), and the top end of the second support rod (13) is fixedly connected with a controller (14).
2. A low flow turbine flowmeter according to claim 1 wherein: the flange sealing ring (2) is characterized in that a sealing gasket (15) is fixedly connected to one side of the flange sealing ring (2), a sealing groove (16) is formed in the sealing gasket (15), and a display screen (17) is arranged on the controller.
3. A low flow turbine flowmeter according to claim 1 wherein: magnet (7) with induction coil (8) all locate inside flowmeter body (1), induction coil (8) are located outside a week of magnet (7).
4. A low flow turbine flowmeter according to claim 1 wherein: the turbine (6) is a ferromagnetic turbine, the inside of the first supporting rod (11) is of a hollow structure, a lead is arranged inside the first supporting rod (11), and the output end of the signal amplifier (10) is electrically connected with the input end of the counter (12) through the lead.
5. A low flow turbine flowmeter according to claim 1 wherein: the two ends of the water collecting cavity (3) are conical, and the minimum diameter of the water collecting cavity (3) is the same as the diameter of the water inlet of the micro pressure pump (5).
6. A low flow turbine flowmeter according to claim 1 wherein: the output end of the pressure sensor (4) is electrically connected with the input end of the controller (14) through a lead, and the output end of the controller (14) is electrically connected with the input end of the miniature pressure pump (5) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853189.XU CN211783638U (en) | 2020-05-20 | 2020-05-20 | Low-flow turbine flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853189.XU CN211783638U (en) | 2020-05-20 | 2020-05-20 | Low-flow turbine flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783638U true CN211783638U (en) | 2020-10-27 |
Family
ID=72955568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020853189.XU Expired - Fee Related CN211783638U (en) | 2020-05-20 | 2020-05-20 | Low-flow turbine flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211783638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526159A (en) * | 2020-11-13 | 2021-03-19 | 中铁第一勘察设计院集团有限公司 | Sensor for judging direction and speed of water flow in pipeline by using rotating magnetic field |
-
2020
- 2020-05-20 CN CN202020853189.XU patent/CN211783638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526159A (en) * | 2020-11-13 | 2021-03-19 | 中铁第一勘察设计院集团有限公司 | Sensor for judging direction and speed of water flow in pipeline by using rotating magnetic field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211783638U (en) | Low-flow turbine flowmeter | |
| WO2021258815A1 (en) | Low-cost spray pressure and flow rate integrated intelligent measurement apparatus and method | |
| CN201229191Y (en) | Spiral flowmeter | |
| CN202836635U (en) | Plastic impeller flow meter | |
| CN202471144U (en) | High-precision wide-range flowmeter | |
| CN201364175Y (en) | Hall rotameter | |
| CN107167192A (en) | The more accurate water meter of metering | |
| CN207816365U (en) | Gas turbine meter | |
| CN214667021U (en) | Turbine flowmeter for micro flow measurement | |
| CN102589623A (en) | High-accuracy wide-range flow meter | |
| CN104374435B (en) | A kind of sensor device of monochromatic light flow instrument | |
| CN112179424A (en) | Liquid turbine flowmeter | |
| CN213301346U (en) | High-precision electromagnetic flowmeter | |
| CN201266101Y (en) | On-line detachable checking magnetoelectric cyclone flowmeter | |
| CN211042348U (en) | Electromagnetic flowmeter | |
| CN107036664A (en) | A kind of flexible pipe flowmeter | |
| CN202339212U (en) | Basic meter of large-caliber vortex electronic type water meter provided with pressure sensor | |
| RU112995U1 (en) | GAS FLOW METER | |
| CN214621308U (en) | Turbine flowmeter convenient to change impeller | |
| CN207610733U (en) | A kind of novel anti-stuck turbine flowmeter of impeller | |
| CN109098965A (en) | A kind of detection device of oil pump volumetric efficiency | |
| CN217212782U (en) | Liquid flow rate metering sensor | |
| CN203719703U (en) | High-precision measurable liquid vortex flowmeter | |
| CN217654563U (en) | High-reliability turbine flowmeter | |
| CN205919858U (en) | Wear -resisting wide -range type liquid turbine flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |