CN106066197B - Measuring sensor for ultrasonic water meter, heat meter and flow meter and using method thereof - Google Patents
Measuring sensor for ultrasonic water meter, heat meter and flow meter and using method thereof Download PDFInfo
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- CN106066197B CN106066197B CN201610418409.4A CN201610418409A CN106066197B CN 106066197 B CN106066197 B CN 106066197B CN 201610418409 A CN201610418409 A CN 201610418409A CN 106066197 B CN106066197 B CN 106066197B
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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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/16—Diaphragms; Bellows; Mountings therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
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Abstract
The invention relates to a measuring sensor for an ultrasonic water meter, a heat meter and a flowmeter and a using method thereof, belonging to the technical field of acoustics and sensing. The technical scheme is as follows: the measuring pipe section consists of a butt clamp body (6) and a guide beam flow pipe (7), the guide beam flow pipe is arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, a sensor mounting hole (5) is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole; and a reflector is arranged in the guide beam current pipe and is matched with the ultrasonic sensor. According to the invention, the guide beam tube is arranged on one side of the butt clamp body, so that the field installation difficulty can be greatly simplified, and the instrument is effectively protected from being damaged in the installation process; the measuring pipe section has no flange connecting piece, so the measuring pipe section has simple appearance structure and small installation size, has no movable part, does not need an anti-locking mechanism, and can be widely applied to liquid measurement of ultrasonic water meters, heat meters and flow meters.
Description
Technical Field
The invention relates to a measuring sensor for an ultrasonic water meter, a heat meter and a flowmeter and a using method thereof, in particular to a flowmeter for measuring the flow of liquid (gas) or the heat of the liquid in a pipeline by utilizing an ultrasonic detection technology, belonging to the technical field of acoustics and sensing.
Background
At present, in the conventional measurement of liquid flow or heat in a pipeline, an ultrasonic sensor is arranged in a measurement pipe section, and the liquid flow or heat in the pipeline is measured by an ultrasonic detection technology; the installation forms of the measuring sensors of the ultrasonic water meter, the heat meter and the flow meter are mainly two types: the flange connection mode and the wafer type mode, the two installation modes have the following problems in the use process of the measuring sensor: the measuring sensor installed in a flange connection mode has the problems of complicated structure, larger body shape, longer installation length, inconvenient operation and higher cost due to the operation space problem of flange connection; the measuring sensor installed in a wafer-type mode needs to be locked after being installed, has the defects of movable parts and unreliable installation, and is higher in cost; for example: chinese patent No.: 201420273092.6, patent name: a card type ultrasonic fluid flow measuring device is a measuring sensor installed in a wafer type mode.
Disclosure of Invention
The invention aims to provide a measuring sensor for an ultrasonic water meter, a heat meter and a flowmeter and a using method thereof, which have the advantages of small volume, simple structure, convenient installation and no anti-rotation locking structure, avoid the influence of artificial damage after installation on the metering of the meter, and solve the problems in the background technology.
The technical scheme of the invention is as follows:
a measuring transducer for ultrasonic water meter, heat meter and flowmeter comprises a measuring pipe section, an ultrasonic transducer and a reflector; the measuring pipe section consists of a butt clamp body and guide beam flow pipes, the guide beam flow pipes are arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, sensor mounting holes are formed in the guide beam flow pipes, and the ultrasonic sensors are arranged in the sensor mounting holes; and a reflector is arranged in the guide beam current pipe and is matched with the ultrasonic sensor.
The butt clamp body and the guide flow pipe are of an integral structure or a split combined structure. The plastic material can be adopted, and other materials can also be adopted; the butt clamp body is arranged between two sections of pipelines to be measured, the guide beam flow pipe is arranged on one side of the butt clamp body and extends into the pipelines to be measured, and the outer diameter of the guide beam flow pipe is smaller than the inner diameter of the pipelines to be measured so as to be convenient to install and position.
The pipe section wall of the guide beam flow pipe can be provided with a beam flow sheet for improving the flow state of the measured medium in the pipeline and facilitating the measurement of the instrument. The number of the beam flow sheets is multiple, and the beam flow sheets are arranged along the inner circumference of the wall of the pipe section guiding the beam flow pipe.
The reflector arranged in the guide beam tube can be one or more, can be arranged in the guide beam tube in an injection molding insert mode, and can also be arranged in the guide beam tube in other modes such as clamping groove combination or bonding.
The reflector comprises plane of reflection and support frame, and the plane of reflection sets up on the support frame, and the support frame card is on the location installation draw-in groove of pipe section wall in the direction beam current pipe, plane of reflection and ultrasonic sensor phase-match.
The beam flow sheet can be a continuous structure penetrating through the whole tube section wall along the guide beam flow tube or an intermittent structure penetrating through part of the tube section wall.
The sensor mounting hole is arranged on the measuring pipe section; the ultrasonic sensors are arranged in the sensor mounting holes on two sides of the guide beam flow pipe symmetrically, and can also be arranged in the sensor mounting holes on one side of the guide beam flow pipe.
A measuring transducer for ultrasonic water meter, heat meter and flowmeter comprises a measuring pipe section, an ultrasonic transducer and a reflector; the measuring pipe section consists of a butt clamp body and guide beam flow pipes, the guide beam flow pipes are arranged on two sides of the butt clamp body and are asymmetrically arranged, the lengths of the guide beam flow pipes exposed out of two sides of the butt clamp body are unequal, the exposed longer side mainly plays a role in diversion and water diversion, and the exposed shorter side mainly plays a role in fixing a limiting sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole; and a reflector is arranged in the guide beam current pipe and is matched with the ultrasonic sensor.
The exposed shorter side mainly plays a role of fixing the limiting sealing gasket, and the height of the side is preferably not more than the height of the sealing gasket.
A measuring transducer for ultrasonic water meter, heat meter and flow meter comprises a measuring pipe section and an ultrasonic transducer; the measuring pipe section comprises a butt clamp body and a guide beam flow pipe, the guide beam flow pipe is arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole.
The structure can be provided with a reflector in the guide beam tube, the reflector is matched with the ultrasonic sensor, and the measurement is completed after reflection. And a reflector is not arranged in the guide beam current pipe, and the ultrasonic sensors are directly matched to finish measurement.
A measuring sensor for ultrasonic water meter, heat meter and flowmeter comprises a measuring pipe section and an ultrasonic sensor; the measuring pipe section consists of an opposite clamp body and guide beam flow pipes, the guide beam flow pipes are arranged on two sides of the opposite clamp body and are asymmetrically arranged, the lengths of the guide beam flow pipes exposed out of two sides of the opposite clamp body are unequal, the longer side of the guide beam flow pipes is exposed out of the opposite clamp body to mainly play a role in diversion and water diversion, the shorter side of the guide beam flow pipes is exposed out of the opposite clamp body to form a raised positioning table which mainly plays a role in fixing a limiting sealing gasket, and the height of the raised positioning table is preferably not more than the height of the sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow tube, and the ultrasonic sensor is arranged in the sensor mounting hole.
The raised positioning table mainly plays a role of fixing the limiting sealing gasket, and the height of the raised positioning table is preferably not more than the height of the sealing gasket.
The structure can be provided with a reflector in the guide beam tube, the reflector is matched with the ultrasonic sensor, and the measurement is completed after reflection. Or the reflector is not arranged in the guide beam tube, and the ultrasonic sensors are directly matched to finish measurement.
The use method of the measuring sensor for the ultrasonic water meter, the ultrasonic heat meter and the ultrasonic flowmeter with the structure comprises the following steps:
the assembly method comprises the following steps: the guide beam flow pipes are arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body;
and a second assembly mode: the guide beam tubes are arranged on two sides of the butt clamp body and are asymmetrically arranged, the lengths of the two exposed sides of the guide beam tubes are unequal, and the exposed longer side mainly plays a role in diversion and diversion;
(2) installing the tested pipeline together with the butt clamp body and the guide flow tube; finally, another section of the pipeline to be measured is installed, and the butt clamp body is installed between the two sections of the pipeline to be measured.
The two sections of pipelines to be measured are an upstream mounting pipe and a downstream mounting pipe respectively, then the guide beam pipe is assembled in the upstream mounting pipe, and most of the guide beam pipe extends into the upstream mounting pipe for assembly; and finally, installing a downstream installation pipe, wherein the butt clamp body is positioned between the upstream installation pipe and the downstream installation pipe.
The butt clamp body of the invention is called as the butt clamp body because the butt clamp body needs to be clamped between two sections of measuring pipelines when in use. The invention arranges the guide beam current pipes on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, thereby greatly reducing the thickness of the butt clamp body and lowering the cost.
The ultra-thin metering body can be widely applied to various measurement fields, especially used for metering agricultural irrigation water, has particularly obvious effect, is difficult to meter the agricultural irrigation water, reduces the volume of the flowmeter and lowers the cost by adopting the ultra-thin metering body; due to the arrangement mode of the guide flow-restraining pipes, the installation difficulty is reduced, and the metering accuracy is improved.
The invention removes the flange of the measuring pipe section, clamps the thin butt clamp body between the two flanges through the flanges of the two sections of measuring pipes on site, and respectively arranges the sealing gaskets between the butt clamp body and the two flanges, thus completing the installation of the measuring sensors for the slice type ultrasonic water meter, the heat meter and the flow meter.
Because the flanges at two ends of the measuring pipe section are removed, the measuring pipe section is reduced into the paired clamp bodies, and the external dimension of the paired clamp bodies can be greatly reduced; when the device is installed on site, the guide beam current tube can be inserted into the measured pipeline, and then the butt clamp body is firmly fixed by the flange of the measured pipeline section on site. The ultrasonic sensor, the beam reflector and the guide beam tube do not need to rotate to adjust the mutual position relationship after installation, and no movable part exists, so that the measuring sensor is safe and reliable after installation, and the problem that the instrument measurement is influenced by artificially destroying a locking mechanism does not exist. Meanwhile, the guide beam flow tube is arranged on one side of the butt clamp body, so that the field installation difficulty can be greatly simplified, and the instrument is effectively protected from being damaged in the installation process; meanwhile, the beam piece is arranged in the guide beam pipe, so that the flow state of liquid in the measured pipeline can be effectively improved, the measurement of an instrument is facilitated, the measurement precision is high, and the adaptability is strong.
The invention has the beneficial effects that: the guide beam flow pipe is arranged on one side of the butt clamp body, so that the field installation difficulty can be greatly simplified, and the instrument is effectively protected from being damaged in the installation process; the measuring pipe section has no flange connecting piece, the appearance structure is simple, the installation size is small, no movable part is needed, and an anti-locking mechanism is not needed, so that the ultrasonic liquid flow meter has the characteristics of simple and reasonable structure, convenience in installation, strong artificial damage prevention performance, high reliability, high measuring precision, strong adaptability and the like, and can be widely applied to liquid metering of ultrasonic water meters, heat meters and flow meters.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic axial side view of an embodiment of the invention;
FIG. 4 is a schematic illustration of an installed embodiment of the present invention;
FIG. 5 is a schematic side view of an installed rear axle according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a second embodiment of the present invention, in which a positioning table with a protrusion is disposed on one side thereof;
FIG. 7 is a schematic isometric view of an embodiment of a positioning table with protrusions on one side according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of an embodiment of the present invention having three reflectors of 1;
FIG. 9 is an isometric view of three embodiments of the present invention having only 1 reflector;
FIG. 10 is a schematic structural view of an embodiment of the present invention with a raised positioning stage on each side and only 1 reflector;
FIG. 11 is an isometric view of an embodiment of the present invention having only 1 reflector with raised alignment platforms on each side;
FIG. 12 is a schematic structural diagram of an embodiment of the invention in a five-reflector-free form;
FIG. 13 is an isometric view of a five reflector-less version of an embodiment of the present invention;
FIG. 14 is a schematic structural view of an embodiment of the present invention having a raised positioning stage on one side and no reflector;
FIG. 15 is an isometric view of an embodiment of the invention with a raised positioning table on one side and no reflector on the other side;
in the figure: the device comprises a measuring pipe section 1, an ultrasonic sensor 2, a reflector 3, a pipe section wall 4, a sensor mounting hole 5, a butt clamp body 6, a guide beam flow pipe 7, a sensor cable threading pipe 8, a positioning mounting clamping groove 9, an upstream mounting pipe 10, a downstream mounting pipe 11, a sealing gasket 12, a beam sheet 13 and a protrusion positioning table 14.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
A measuring transducer for ultrasonic water meter, heat meter and flowmeter comprises a measuring pipe section 1, an ultrasonic transducer 2 and a reflector 3; the measuring pipe section consists of a butt clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipe is arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and an ultrasonic sensor is arranged in the sensor mounting hole; and a reflector is arranged in the guide beam current pipe and is matched with the ultrasonic sensor.
The butt clamp body 6 and the guide flow pipe 7 are of an integral structure or a split combined structure. The plastic material can be adopted, and other materials can also be adopted; the butt clamp body is arranged between the two sections of pipelines to be measured, the guide beam flow pipe is arranged on one side of the butt clamp body and extends into the pipelines to be measured, and the outer diameter of the guide beam flow pipe is smaller than the inner diameter of the pipelines to be measured so as to be convenient to install and position.
The tube section wall of the guide beam flow tube 7 can be provided with a beam flow sheet 13 for improving the flow state of the measured medium in the pipeline and facilitating the measurement of instruments. The number of the flow sheets is a plurality and is arranged along the inner circumference of the pipe section wall 4 of the guide flow pipe 7.
The number of the reflectors 3 arranged in the guide beam tube can be one or more, and the reflectors can be arranged in the guide beam tube in an injection molding insert mode, or can be arranged in the guide beam tube in other modes such as clamping groove combination or bonding.
The reflector is composed of a reflecting surface and a supporting frame, the reflecting surface is arranged on the supporting frame, the supporting frame is clamped on a positioning installation clamping groove 9 of the inner pipe section wall of the guide beam flow pipe, and the reflecting surface is matched with the ultrasonic sensor.
The beam sheet 13 may be a continuous structure penetrating the entire wall of the tube segment along the guide beam tube, or may be an intermittent structure penetrating the wall of the tube segment locally.
The sensor mounting hole 5 is arranged on the measuring pipe section 1; the ultrasonic sensors are arranged in the sensor mounting holes on two sides of the guide beam flow pipe symmetrically, and can also be arranged in the sensor mounting holes on one side of the guide beam flow pipe.
A measuring transducer for ultrasonic water meter, heat meter and flowmeter comprises a measuring pipe section 1, an ultrasonic transducer 2 and a reflector 3; the measuring pipe section consists of a butt clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipes are arranged on two sides of the butt clamp body and are asymmetrically arranged, the lengths of the guide beam flow pipes exposed out of two sides of the butt clamp body 6 are unequal, the exposed longer side mainly plays a role in guiding water, and the exposed shorter side mainly plays a role in fixing a limiting sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5; and a reflector 3 is arranged in the guide beam current pipe and is matched with the ultrasonic sensor.
The exposed shorter side mainly plays a role of fixing the limiting sealing gasket, and the height of the side is preferably not more than the height of the sealing gasket.
A measuring transducer for ultrasonic water meter, heat meter and flowmeter comprises a measuring pipe section 1 and an ultrasonic transducer 2; the measuring pipe section consists of a butt clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipe is arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5.
The structure can be provided with a reflector 3 in the guide beam current pipe, the reflector is matched with the ultrasonic sensor, and measurement is completed after reflection. And a reflector is not arranged in the guide beam current pipe, and the ultrasonic sensors are directly matched to finish measurement.
A measuring transducer for ultrasonic water meter, heat meter and flow meter comprises a measuring pipe section 1 and an ultrasonic transducer 2; the measuring pipe section consists of a butt clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipes are arranged on two sides of the butt clamp body and are asymmetrically arranged, the lengths of the guide beam flow pipes exposed out of two sides of the butt clamp body 6 are unequal, the longer side of the guide beam flow pipe is mainly used for guiding water, the shorter side of the guide beam flow pipe is exposed to form a raised positioning table 14 which is mainly used for fixing a limiting sealing gasket, and the height of the raised positioning table is preferably not more than the height of the sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5.
The raised location platforms 14 function primarily to hold the gasket in place, preferably at a height that does not exceed the height of the gasket.
The structure can be provided with a reflector 3 in the guide beam flow tube, the reflector is matched with the ultrasonic sensor, and the measurement is completed after reflection. Or the reflector is not arranged in the guide beam tube, and the ultrasonic sensors are directly matched to finish measurement.
The use method of the measuring sensor for the ultrasonic water meter, the ultrasonic heat meter and the ultrasonic flowmeter with the structure comprises the following steps:
the assembly method is as follows: the guide flow-restraining pipes are arranged on one side of the butt-clamp body instead of being symmetrically or asymmetrically arranged on two sides of the butt-clamp body;
and a second assembling mode: the guide beam tubes are arranged on two sides of the butt clamp body and are asymmetrically arranged, the lengths of the two sides of the guide beam tubes exposed out of the butt clamp body 6 are unequal, and the exposed longer side mainly plays a role in diversion and diversion
(2) Installing the tested pipeline together with the butt clamp body and the guide flow tube; finally, another section of the pipeline to be measured is installed, and the butt clamp body is installed between the two sections of the pipeline to be measured.
The two sections of pipelines to be measured are an upstream mounting pipe and a downstream mounting pipe respectively, then the guide beam pipe is assembled in the upstream mounting pipe, and most of the guide beam pipe extends into the upstream mounting pipe for assembly; and finally, installing a downstream installation pipe, wherein the butt clamp body is positioned between the upstream installation pipe and the downstream installation pipe.
The butt clamp body is required to be clamped between two sections of measuring pipelines when in use, so the butt clamp body is called as the butt clamp body. The invention arranges the guide beam current pipes at one side of the butt clamp body instead of symmetrically or asymmetrically arranging at two sides of the butt clamp body, which can greatly reduce the thickness of the butt clamp body, and the butt clamp body can be a very thin slice, so the invention is called as a slice type measuring sensor for ultrasonic water meters, heat meters and flow meters.
Example I, refer to FIGS. 1, 2, 3, 4, and 5. The measuring pipe section consists of a butt clamp body 6 and a guide flow-restraining pipe 7, the guide flow-restraining pipe is arranged on one side of the butt clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt clamp body, meanwhile, a sensor mounting hole 5 is formed in the guide flow-restraining pipe, and an ultrasonic sensor is arranged in the sensor mounting hole; and a reflector is arranged in the guide beam current pipe, and the reflector 3 is matched with the ultrasonic sensor 2.
The butt clamp body 6 and the guide beam flow pipe 7 are of an integral structure, two reflectors are arranged in the guide beam flow pipe 7, each reflector is composed of a reflecting surface and a supporting frame, the reflecting surfaces are arranged on the supporting frames, the supporting frames are clamped on positioning installation clamping grooves 9 in the wall of the inner pipe section of the guide beam flow pipe, and the reflecting surfaces are matched with the ultrasonic sensors.
The two sections of pipelines to be measured are an upstream installation pipe 10 and a downstream installation pipe 11 respectively, and sealing gaskets 12 are arranged between the opposite clamp body and the upstream installation pipe 10 and the downstream installation pipe 11; then assembling the guide beam tube in the upstream installation tube, wherein the guide beam tube extends into the upstream installation tube for assembly; and finally, installing a downstream installation pipe, wherein the butt clamp body is positioned between the upstream installation pipe and the downstream installation pipe.
Be equipped with sensor cable threading pipe 8 on the measurement pipeline section 1, sensor cable threading pipe 8 and 5 intercommunications of sensor mounting hole for export the instrument with ultrasonic sensor's output cable.
The sensor mounting hole 5 is arranged on the measuring pipe section 1; the number of the ultrasonic sensors is multiple; the two ultrasonic sensors of the embodiment are all arranged on the guide flow pipe on one side of the butt clamp body, so that the damage to the measurement pipe section caused by the non-concentricity of field pipeline installation can be reduced, the flow state of a measured medium is facilitated, and the measurement of an instrument is facilitated. The measurement pipe section of the embodiment is integrally formed by injection molding, the guide beam flow pipe is arranged on one side (upstream side) of the butt clamp body, and a plurality of beam flow sheets 13 with continuous through structures are uniformly arranged in the guide beam flow pipe along the circumference of the pipe section wall 4.
In the second embodiment, referring to fig. 6 and 7, the measuring pipe section is composed of a butt clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipes are arranged on two sides of the butt clamp body and are asymmetrically arranged, the lengths of the guide beam flow pipes exposed out of two sides of the butt clamp body 6 are unequal, the exposed longer side mainly plays a role in guiding water, and the exposed shorter side mainly plays a role in fixing a limiting sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5; and a reflector 3 is arranged in the guide beam current pipe and is matched with the ultrasonic sensor.
The exposed shorter side is provided with a convex positioning platform 14 which mainly plays a role of fixing a limiting sealing gasket, and the height of the convex positioning platform does not exceed the height of the sealing gasket.
This embodiment is to pressing from both sides body 6 and direction beam current pipe 7 structure as an organic whole, sets up two reflectors in the direction beam current pipe 7, the reflector comprises plane of reflection and support frame, and the plane of reflection sets up on the support frame, and the support frame card is on the location installation draw-in groove 9 of pipe section wall in the direction beam current pipe, plane of reflection and ultrasonic sensor phase-match.
In the third embodiment, referring to fig. 8 and 9, the measurement pipe section is composed of a butt-clamp body 6 and a guide beam pipe 7, the guide beam pipe is arranged on one side of the butt-clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt-clamp body, meanwhile, a sensor mounting hole is arranged on the guide beam pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5.
And a reflector 3 is arranged on the tube wall in the guide beam tube, the reflector is matched with the ultrasonic sensor, and the measurement is completed after the reflection.
In the fourth embodiment, referring to fig. 10 and 11, the measurement pipe section is composed of an opposite clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipes are arranged on two sides of the opposite clamp body and are asymmetrically arranged, the lengths of the guide beam flow pipes exposed out of two sides of the opposite clamp body 6 are unequal, the exposed longer side mainly plays a role in guiding water, the exposed shorter side forms a raised positioning table 14 which mainly plays a role in fixing a limiting sealing gasket, and the height of the raised positioning table is preferably not more than the height of the sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5.
The raised positioning table 14 mainly functions to fix the position-limiting gasket, and the height of the raised positioning table is preferably not more than the height of the gasket.
And a reflector 3 is arranged on the tube wall in the guide beam current tube, is matched with the ultrasonic sensor and finishes measurement after reflection.
Fifth embodiment, referring to fig. 12 and 13, the measurement pipe section is composed of a butt-clamp body 6 and a guide beam pipe 7, the guide beam pipe is arranged on one side of the butt-clamp body instead of symmetrically or asymmetrically arranged on two sides of the butt-clamp body, meanwhile, a sensor mounting hole is arranged on the guide beam pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5.
The reflector 3 is not arranged in the guide beam current pipe, and at least one pair of ultrasonic sensors 2 are directly matched without reflection to finish measurement.
In a sixth embodiment, referring to fig. 14 and 15, a measurement pipe section is composed of an opposite clamp body 6 and a guide beam flow pipe 7, the guide beam flow pipes are arranged on two sides of the opposite clamp body and are asymmetrically arranged, the lengths of the exposed two sides of the opposite clamp body 6 of the guide beam flow pipes are unequal, the exposed longer side mainly plays a role in guiding flow and water, the exposed shorter side forms a raised positioning table 14 which mainly plays a role in fixing a limiting sealing gasket, and the height of the raised positioning table is not more than the height of the sealing gasket; meanwhile, a sensor mounting hole is formed in the guide beam flow pipe, and the ultrasonic sensor is arranged in the sensor mounting hole 5.
The raised location platforms 14 function primarily to hold the gasket in place, preferably at a height that does not exceed the height of the gasket.
The reflector 3 is not arranged in the guide beam current pipe, and the at least one pair of ultrasonic sensors 2 are directly matched without reflection to finish measurement.
Claims (1)
1. A field assembly method of measuring sensors for ultrasonic water meters, heat meters and flow meters is characterized by comprising the following steps:
(2) the method comprises the following steps that an opposite clamp body (6) is arranged between two sections of pipelines to be measured on site, the opposite clamp body (6) and a guide flow tube (7) are of an integrated structure, the guide flow tube is arranged on one side of the opposite clamp body instead of symmetrically or asymmetrically arranged on two sides of the opposite clamp body, the opposite clamp body is clamped between two flanges through the flanges of the two sections of measuring pipelines on site to be firmly fixed, and sealing gaskets are arranged between the opposite clamp body and the two flanges respectively; the two sections of pipelines to be measured are an upstream installation pipe (10) and a downstream installation pipe (11) respectively, the guide beam flow pipe extends into the upstream installation pipe (10) to be assembled, the downstream installation pipe (11) is installed at last, and the butt clamp body is located between the upstream installation pipe and the downstream installation pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016102912222 | 2016-05-05 | ||
| CN201610291222 | 2016-05-05 |
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| CN106066197A CN106066197A (en) | 2016-11-02 |
| CN106066197B true CN106066197B (en) | 2022-11-11 |
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| CN201610418409.4A Active CN106066197B (en) | 2016-05-05 | 2016-06-13 | Measuring sensor for ultrasonic water meter, heat meter and flow meter and using method thereof |
| CN201610418387.1A Pending CN105973324A (en) | 2016-05-05 | 2016-06-13 | Sheet type measuring sensor for ultrasonic water meters, heat meters and flow meters and use method of measuring sensor |
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| CN201610418387.1A Pending CN105973324A (en) | 2016-05-05 | 2016-06-13 | Sheet type measuring sensor for ultrasonic water meters, heat meters and flow meters and use method of measuring sensor |
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| US10557732B2 (en) * | 2017-12-07 | 2020-02-11 | Cameron International Corporation | Flowmeters and methods of manufacture |
| CN108132079B (en) * | 2017-12-22 | 2020-01-10 | 马鞍山合力仪表有限责任公司 | On-site flow detection device |
| CN111351537A (en) * | 2020-04-15 | 2020-06-30 | 上海迪伏若流量仪表事务所 | An ultrasonic water meter with in-line sensor |
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Also Published As
| Publication number | Publication date |
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| CN105973324A (en) | 2016-09-28 |
| CN106066197A (en) | 2016-11-02 |
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