CN111103019B - Double-measurement liquid flowmeter based on flow resistance - Google Patents
Double-measurement liquid flowmeter based on flow resistance Download PDFInfo
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- CN111103019B CN111103019B CN201911335180.8A CN201911335180A CN111103019B CN 111103019 B CN111103019 B CN 111103019B CN 201911335180 A CN201911335180 A CN 201911335180A CN 111103019 B CN111103019 B CN 111103019B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
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Abstract
The invention provides a double-measurement liquid flowmeter based on flow resistance, and relates to the technical field of liquid flowmeters. This two measurement fluidflowmeter based on flow resistance, the novel nipple rectifier comprises a cylindrical shel, the both ends fixed mounting of barrel has the collar, the inside of barrel has the supporting seat through first stationary blade fixed mounting, it changes the rod to rotate to be connected with between the supporting seat, the peripheral fixed mounting who changes the rod has the turbine, the peripheral sliding connection of turbine has the scraper blade, the top of barrel has electronic display screen through spliced pole fixed mounting. This two measurement fluidflowmeter based on flow resistance can clean turbine blade's surface, has guaranteed turbine blade's cleanliness factor, has improved measured data's accuracy, utilizes the mechanical principle to detect rivers flow again simultaneously, and also can detect weak flow and the less flow of rivers area, has improved the precision of flowmeter.
Description
Technical Field
The invention relates to the technical field of liquid flow meters, in particular to a double-measurement liquid flow meter based on flow resistance.
Background
The liquid flowmeter is a precision instrument for measuring the liquid flow in a sealed pipeline and calculating the total flow, and is widely applied to industrial production, automatic control and urban water supply.
And traditional rotameter is mainly applicable to the great pipeline of flow, and it is general not high to the weak flow measurement precision when being close to static state, and when measuring, for the steady rotation of guaranteeing the rotor, must keep great rivers area in the pipeline, when rivers area reduces, will seriously influence the measuring precision, and the rotor is after long-time use, and the blade is infected with easily and collects up the dust for rivers drive the rotatory speed decline of blade, thereby make measured data have the mistake.
In order to solve the above problems, the inventor provides a dual-measurement liquid flow meter based on flow resistance, which can clean the surface of a turbine blade, ensure the cleanliness of the turbine blade, improve the accuracy of measurement data, simultaneously re-detect the water flow by using a mechanical principle, detect weak flow and flow with a small water area, and improve the precision of the flow meter.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a two measurement fluidflowmeter based on flow resistance, includes barrel, collar, first stationary blade, supporting seat, changes rod, turbine, scraper blade, spliced pole, electronic display screen, sensor, cable, second stationary blade, water conservancy diversion post, connecting block, half slot, baffle, carriage release lever, spring, transparent piece, mark.
Wherein:
the device comprises a barrel body, a mounting ring, a supporting seat, a rotary rod, a turbine, a scraper blade, a connecting column, an electronic display screen, a sensor, a movable rod, a baffle plate, a spring, a transparent block and a connecting block, wherein the mounting rings are fixedly mounted at two ends of the barrel body, the supporting seat is fixedly mounted in the barrel body through a first fixing sheet, the rotary rod is rotatably connected between the supporting seats, the turbine is fixedly mounted at the periphery of the rotary rod, the scraper blade is slidably connected at the periphery of the turbine, the electronic display screen is fixedly mounted at the top end of the barrel body through the connecting column, the sensor is placed at the bottom end in the connecting column, the top end of the sensor is communicated with the electronic display screen through the cable, a guide column is fixedly mounted at the right side of the supporting seat in the barrel body through a second fixing sheet, a connecting block is fixedly mounted at the bottom end of the guide column, a semicircular groove is formed at the bottom end of the guide column, the baffle is slidably connected with the movable rod, the spring is fixedly mounted at the right end of the movable rod, the transparent block is fixedly mounted in the transparent block, the transparent block is internally marked with marks, and the space between the marks gradually decreases from left to right.
Preferably, the quantity of supporting seat is two in total, and the periphery all is through the inside of six first stationary blade fixed mounting at the barrel, the supporting seat is circular-arc towards both sides open-ended one end for rivers can flow between barrel and supporting seat.
Preferably, the scraper blade is the ring form, and all sliding connection is in turbine blade's periphery, and the one end fixed mounting that the turbine center was kept away from to the blade has spacing cap for the scraper blade is receiving centrifugal force in-process of outwards moving, can not break away from the blade.
Preferably, the sensor is positioned right above the turbine, so that the sensor can capture rotation information of the turbine conveniently.
Preferably, the number of the second fixing pieces is two, the second fixing pieces are symmetrically distributed at the front end and the rear end of the flow guide column, the left end and the right end of the flow guide column are arc-shaped, and blocking of bottom water flow by the second fixing pieces is avoided.
Preferably, the baffle is located the semicircular groove under, and attaches to each other with the top of connecting block for the baffle can produce the effect with the rivers of bottom.
Preferably, the transparent block is located at the front end of the bottom of the moving rod and penetrates through the front end face of the connecting block, so that the movement of the moving rod can be observed through the transparent block.
The invention provides a double-measurement liquid flowmeter based on flow resistance. The method has the following beneficial effects:
1. this two measurement fluidflowmeter based on flow resistance through the design of turbine blade periphery sliding connection scraper blade, at the unsteady intermittent type pivoted in-process of turbine, utilizes the cooperation of centrifugal force and scraper blade self gravity, can make the scraper blade carry out reciprocating slip on the turbine to reject the dust on blade surface, and washed away by the rivers, thereby guaranteed turbine blade's cleanliness factor, improved measured data's accuracy.
2. This two measurement fluidflowmeter based on flow resistance through the design of baffle between guide post bottom and the connecting block, utilizes rivers to the promotion of baffle, and the mark on the transparent piece in cooperation carriage release lever bottom can obtain current rivers flow through observing, and according to the gravity of rivers self, also can detect when the rivers area is less, has improved the precision of flowmeter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;
FIG. 3 is a cross-sectional view of a deflector column and connecting block arrangement according to the present invention;
FIG. 4 is a cross-sectional view of the structure of FIG. 1 at B-B in accordance with the present invention;
fig. 5 is a side view of the turbine structure of the present invention.
In the figure: the device comprises a barrel body 1, a mounting ring 2, a first fixing plate 3, a supporting seat 4, a rotating rod 5, a turbine 6, a scraper 7, a connecting column 8, an electronic display screen 9, a sensor 10, a cable 11, a second fixing plate 12, a flow guide column 13, a connecting block 14, a semicircular groove 15, a baffle 16, a moving rod 17, a spring 18, a transparent block 19 and a label 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the dual measurement flow meter based on flow resistance is as follows:
referring to fig. 1-5, a dual-measurement liquid flowmeter based on flow resistance comprises a cylinder 1, a mounting ring 2, a first fixing plate 3, a support seat 4, a rotary rod 5, a turbine 6, a scraper 7, a connecting column 8, an electronic display screen 9, a sensor 10, a cable 11, a second fixing plate 12, a flow guide column 13, a connecting block 14, a semicircular groove 15, a baffle 16, a moving rod 17, a spring 18, a transparent block 19 and a label 20.
Wherein:
the two ends of the barrel body 1 are fixedly provided with mounting rings 2, the inside of the barrel body 1 is fixedly provided with a support seat 4 through a first fixing sheet 3, the number of the support seats 4 is two, the periphery of the support seats is fixedly arranged in the barrel body 1 through six first fixing sheets 3, one end of each support seat 4 facing to two side openings is arc-shaped, water flow can flow between the barrel body 1 and each support seat 4, a rotating rod 5 is rotatably connected between the support seats 4, the periphery of the rotating rod 5 is fixedly provided with a turbine 6, the periphery of the turbine 6 is slidably connected with a scraper 7, the scraper 7 is in a circular ring shape and is slidably connected with the periphery of a blade of the turbine 6, one end of each blade far away from the center of the turbine 6 is fixedly provided with a limiting cap, the scraper 7 cannot be separated from the blade in the process of moving outwards under the centrifugal force, the top end of the barrel body 1 is fixedly provided with an electronic display screen 9 through a connecting column 8, sensor 10 has been placed to the inside bottom of spliced pole 8, sensor 10 is located turbine 6 directly over, be convenient for sensor 10 to catch turbine 6's rotation information, sensor 10's top is linked together with electronic display screen 9 through cable 11, design through the peripheral sliding connection scraper blade 7 of 6 blades of turbine, at the at-speed intermittent type pivoted in-process of turbine 6, utilize the cooperation of centrifugal force and scraper blade 7 self gravity, can make scraper blade 7 carry out reciprocating's slip on turbine 6, thereby reject the dust on blade surface, and washed away by the rivers, thereby the cleanliness factor of 6 blades of turbine has been guaranteed, the accuracy of measured data has been improved.
A flow guide column 13 is fixedly arranged on the right side of the supporting seat 4 inside the barrel 1 through a second fixing sheet 12, the number of the second fixing sheets 12 is two, the second fixing sheets are symmetrically distributed at the front end and the rear end of the flow guide column 13, the left end and the right end of the flow guide column 13 are arc-shaped, the blocking of bottom water flow by the second fixing sheet 12 is avoided, a connecting block 14 is fixedly arranged at the bottom end of the flow guide column 13, a semicircular groove 15 is formed in the bottom end of the flow guide column 13, a top sliding connecting baffle 16 of the connecting block 14 is connected with the baffle 16, the baffle 16 is positioned under the semicircular groove 15 and is mutually attached to the top end of the connecting block 14, so that the baffle 16 can act on the bottom water flow, a moving rod 17 is fixedly arranged at the bottom end of the baffle 16, a spring 18 is fixedly connected to the right end of the moving rod 17, a transparent block 19 is fixedly arranged inside the connecting block 14, the transparent block 19 is positioned at the front end of the bottom of the moving rod 17 and penetrates through the front end face of the connecting block 14, make and to observe the removal of carriage release lever 17 through transparent block 19, the inside portrayal of transparent block 19 has mark 20, mark 20 diminishes from a left side to right interval gradually, through the design of baffle 16 between 13 bottoms of guide post and the connecting block 14, utilize rivers to the promotion of baffle 16, mark 20 on the transparent block 19 in cooperation carriage release lever 17 bottom, can obtain current rivers flow through observing, and according to the gravity of rivers self, also can detect when the rivers area is less, the precision of flowmeter has been improved.
When the flowmeter is used, the flowmeter is arranged in a pipeline through the mounting rings 2 at the two ends of the cylinder body 1, when water flows through the cylinder body 1, the rotating rod 5 and the turbine 6 are driven to rotate, the flow rate of water output can be calculated by utilizing the capture of the rotating speed of the turbine 6 by the sensor 10, data are displayed on the electronic display screen 9 through the cable 11, in the rotating process of the turbine 6, different centrifugal forces generated due to different rotating speeds and different positions or stalling are realized under the action of the gravity of the scraper 7, the scraper 7 can slide on the periphery of the blade, so that dust on the surface of the blade is removed, the water flows are flushed away by utilizing the water flow, when the water flows pass through the flow guide column 13, the water flows between the cylinder body 1 and the flow guide column 13 under the action of the flow guide column 13, and are mainly distributed at the bottom of the flow guide column 13 under the action of the gravity of the water flow, the baffle 16 can be moved rightwards, so that the moving rod 17 is driven to compress the spring 18 to move rightwards, the larger the water flow is, the larger the force applied to the baffle 16 is, the farther the moving rod 17 moves, and on the contrary, the moving rod 17 moves closer, so that the water flow at the moment can be obtained by observing in cooperation with the mark 20 in the transparent block 19.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A double-measurement liquid flowmeter based on flow resistance comprises a cylinder body (1), and is characterized in that: the utility model discloses a sensor, including barrel (1), sensor and electronic display screen, the both ends fixed mounting of barrel (1) has collar (2), the inside of barrel (1) has supporting seat (4) through first stationary blade (3) fixed mounting, it has rod (5) to rotate to be connected with between supporting seat (4), the peripheral fixed mounting of rod (5) has turbine (6), the peripheral sliding connection of turbine (6) has scraper blade (7), the top of barrel (1) has electronic display screen (9) through spliced pole (8) fixed mounting, the right side of barrel (1) inside supporting seat (4) has water conservancy diversion post (13) through second stationary blade (12) fixed mounting, the bottom fixed mounting of water conservancy diversion post (13) has connecting block (14), the bottom end of the flow guide column (13) is provided with a semicircular groove (15), the top of the connecting block (14) is slidably connected with a baffle (16), the bottom end of the baffle (16) is fixedly provided with a moving rod (17), the right end of the moving rod (17) is fixedly connected with a spring (18), a transparent block (19) is fixedly arranged inside the connecting block (14), and a mark (20) is carved inside the transparent block (19);
the scrapers (7) are annular and are all connected to the periphery of the blades of the turbine (6) in a sliding manner, and a limiting cap is fixedly mounted at one end of each blade, which is far away from the center of the turbine (6); the sensor (10) is located directly above the turbine (6); the number of the second fixing pieces (12) is two, the second fixing pieces are symmetrically distributed at the front end and the rear end of the flow guide column (13), and the left end and the right end of the flow guide column (13) are arc-shaped; the baffle (16) is positioned right below the semicircular groove (15) and attached to the top end of the connecting block (14);
when the flowmeter is used, the flowmeter is arranged in a pipeline through the mounting rings (2) at the two ends of the cylinder body (1), when water flows through the cylinder body (1), the flowmeter drives the rotary rod (5) and the turbine (6) to rotate, the flow rate of water output can be calculated by utilizing the capture of the sensor (10) on the rotating speed of the turbine (6), and data are displayed on the electronic display screen (9) through the cable (11), in the rotating process of the turbine (6), the scraper (7) can slide on the periphery of the blade under the action of the gravity of the scraper (7) due to different centrifugal forces generated by different rotating speeds and different positions or stop, so that dust on the surface of the blade is removed and washed away by utilizing the water flow, and when the water flows through the flow guide column (13), the water flows between the cylinder body (1) and the flow guide column (13) under the action of the flow guide column (13), and because the gravity of rivers self, mainly distribute in the bottom of guide post (13), and through the power that rivers flow, can make baffle (16) move to the right to drive movable rod (17) compression spring (18) and move to the right, and rivers flow is big more, baffle (16) atress just is big more, movable rod (17) move just also farther, otherwise, movable rod (17) move more closely, thereby cooperate transparent piece (19) interior mark (20), can obtain current rivers flow through observing.
2. A flow resistance based dual measurement liquid flow meter according to claim 1, wherein: the quantity of supporting seat (4) is total two, and the periphery all is through the inside of six first stationary blade (3) fixed mounting in barrel (1), supporting seat (4) are circular-arc towards both sides open-ended one end.
3. A flow resistance based dual measurement liquid flow meter according to claim 1, wherein: the transparent block (19) is positioned at the front end of the bottom of the movable rod (17) and penetrates through the front end face of the connecting block (14).
4. A flow resistance based dual measurement liquid flow meter according to claim 1, wherein: the labels (20) are gradually reduced in distance from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335180.8A CN111103019B (en) | 2019-12-23 | 2019-12-23 | Double-measurement liquid flowmeter based on flow resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911335180.8A CN111103019B (en) | 2019-12-23 | 2019-12-23 | Double-measurement liquid flowmeter based on flow resistance |
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| CN111103019A CN111103019A (en) | 2020-05-05 |
| CN111103019B true CN111103019B (en) | 2021-12-07 |
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| CN201911335180.8A Active CN111103019B (en) | 2019-12-23 | 2019-12-23 | Double-measurement liquid flowmeter based on flow resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114459559B (en) * | 2021-12-29 | 2023-04-14 | 江苏华夏仪表有限公司 | Variable speed low wear turbine flowmeter |
| CN115507909B (en) * | 2022-10-18 | 2023-10-13 | 夏前明 | Flowmeter for measuring flow rate |
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| JPS5341262A (en) * | 1976-09-27 | 1978-04-14 | Tokico Ltd | Turbine meter having washing apparatus |
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| FR2834060B1 (en) * | 2001-12-21 | 2004-03-12 | Production De Procedes De Comp | LIQUID COUNTER |
| FI118742B (en) * | 2005-03-16 | 2008-02-29 | Crane John Safematic Oy | Volumetric flow meter |
| CN101398318B (en) * | 2007-09-24 | 2011-04-06 | 泉州日新流量仪器仪表有限公司 | Momentum type effusion meter based on magnetic thrust and flow measurement method |
| US20120166110A1 (en) * | 2010-12-27 | 2012-06-28 | Jonathan Paul Wilson | Method and system for component resistance to flow |
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| KR200486936Y1 (en) * | 2016-12-19 | 2018-07-16 | 주식회사 한국가스기술공사 | turbine pulse meter |
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Effective date of registration: 20211123 Address after: 257000 Hekou District, Dongying City, Shandong Province, to the south of Pingjie and to the west of Hekou No. 2 and No. 3 Mines Applicant after: SHANDONG SHENGLI TONGHAI GROUP DONGYING TIANLAN ENERGY SAVING TECHNOLOGY CO.,LTD. Address before: 412007 Hunan University of technology, Taishan West Road, Tianyuan District, Zhuzhou City, Hunan Province Applicant before: Zhao Min |
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