CN210089773U - Measurement module for supply tube segmentation ultrasonic flowmeter to use - Google Patents
Measurement module for supply tube segmentation ultrasonic flowmeter to use Download PDFInfo
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- CN210089773U CN210089773U CN201921204099.1U CN201921204099U CN210089773U CN 210089773 U CN210089773 U CN 210089773U CN 201921204099 U CN201921204099 U CN 201921204099U CN 210089773 U CN210089773 U CN 210089773U
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Abstract
A measuring module for a pipe section type ultrasonic flowmeter belongs to the fields of acoustics, sensors and flow measurement. The technical scheme is as follows: the method comprises the following steps: the ultrasonic meter comprises a meter head, a signal wire, ultrasonic transducers and a sensor, wherein one end of the signal wire is connected with the meter head, the other end of the signal wire is connected with the sensor, the sensor is provided with a plurality of ultrasonic transducers, and the meter head is integrally connected with the sensor. The beneficial effects are that the measuring module is independently detected: the measurement module can be independently verified on the basis of stable pipe body size, and the replaceability of the measurement module is guaranteed; the field replacement is simple and convenient: only the measurement module needs to be replaced after a problem occurs; the precision is improved: due to the fact that the sensor is installed in the direction perpendicular to the axis of the pipe section, the sound wave transmission path can be prolonged, and the measured time difference is obvious.
Description
Technical Field
The utility model belongs to belong to acoustics, sensor and flow measurement field especially relate to a measurement module who supplies piping segmentation ultrasonic flowmeter to use.
Background
The connection structure of the measurement part of the currently common pipe-section type ultrasonic water meter is as follows:
the ultrasonic transducer is inserted into the cast inclined radial mounting hole and is mounted by adopting a Z method, the ultrasonic transducer is fastened in the mounting hole through a choke plug or a snap spring, a signal wire passes through the cast wire running hole and is connected with the core, the exposed part is shielded by a plastic shell, and a shell for accommodating the core is fixed on a pipe section by threads.
The welding process can also be used to simplify the structure, but the mounting position of the ultrasonic transducer as a whole, and the mounting process, are not substantially changed.
From the above, the conventional pipe-segment type ultrasonic flowmeter has the following technical problems:
1. the acoustic wave transmission path is short. The longer the effective transmission distance of the sound wave is, the more beneficial the detection of small flow is. Due to the limitation of the size and the position of the flange, the current solution of inserting the ultrasonic transducer along the oblique radial direction of the pipe section is difficult to effectively utilize the length of the pipe section to obtain the maximum effective transmission distance of the sound wave.
2. The assay operation is heavy. The pipe sections need to be carried back and forth in the verification process, the operation is heavy and tired, and the measurement parts cannot be calibrated independently
3. The assembly and replacement processes are complicated. The connection structure of the transducer and the pipe section in the current ultrasonic water meter cannot be disassembled in a modularized manner, and the ultrasonic transducer and other measurement components can only be disassembled and assembled for the whole pipe section if needing to be replaced
The above technical problems limit the precision and application of the pipe-section ultrasonic flow meter to different degrees.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a measuring module for a pipe-section type ultrasonic flowmeter, which prolongs the effective sound wave transmission distance and improves the measuring precision; realizing independent verification of the measurement module; the operation is simple and convenient in the production, assembly, use and replacement processes.
The technical scheme is as follows:
a measurement module for use with a tube-segment ultrasonic flow meter, comprising: the ultrasonic meter comprises a meter head, a signal wire, ultrasonic transducers and a sensor, wherein one end of the signal wire is connected with the meter head, the other end of the signal wire is connected with the sensor, the sensor is provided with a plurality of ultrasonic transducers, and the meter head is integrally connected with the sensor.
Furthermore, the novel meter also comprises a bridging steel frame, wherein the bridging steel frame is arranged between the meter head and the sensors, and the bridging steel frame and the two sensors form a door-shaped integrated rigid structure.
Further, the signal wire comprises a wire guide tube, wherein the wire guide tube is nested in the signal wire; the gauge outfit includes: the watch comprises a watch cover, a movement and a watch case, wherein the movement is arranged in the watch case, the watch cover is connected with the watch case, and the upper end of the watch case is hooked with the movement through a clamping groove.
Furthermore, a fastening structure is arranged on the sensor, the fastening structure is formed by sleeving a fastening nut on a fixed pressing sheet with an excircle and an inner circle, and a sealing gasket for forming axial sealing is arranged on the sensor.
Furthermore, the welding ends at the two sides of the bridging steel frame are provided with circular cutting open grooves, the cross section of the shaft end of the sensor is circular cutting, and the sensor is connected with the circular cutting open grooves in a matched mode.
Furthermore, the watchcase is a 'door' -shaped rigid structure manufactured by an injection molding process, the bridging steel frame is a structure with two raised ends and a concave middle part, and the bridging steel frame is wrapped by the watchcase.
Furthermore, a plurality of bridge steel frames are connected at the centroid of a certain angle, and form an X-shaped or star-shaped structure when viewed from top, and the bridge steel frames are connected in any one mode of integral casting, bonding, thread fixing, riveting, interference and buckling.
Furthermore, the fastening structure is replaced by any one of an external buckle, an internal spring piece and a plurality of small threaded fastening pressing sheets.
Furthermore, the manhole of the measuring module mounting column is a special-shaped hole, the end part of the sensor is additionally provided with an intermediate connector, the cross section of the intermediate connector is in a special shape corresponding to the manhole of the measuring module mounting column, and the special-shaped hole is any one of a square shape, a star shape, a spline groove shape and a key groove shape.
Further, the bridging steel frame is replaced by any one of a metal corrugated pipe, a bent steel pipe and a cast plastic pipe; the sensors are respectively connected with the watch case through threads or buckles.
The utility model has the advantages that:
supply measuring module that tube segment formula ultrasonic flowmeter used have following beneficial effect:
1. independently calibrating the measurement module: the measurement module can be independently verified on the basis of stable pipe body size, and the replaceability of the measurement module is guaranteed;
2. the field replacement is simple and convenient: only the measurement module needs to be replaced after a problem occurs;
3. the precision is improved: due to the fact that the sensor is installed in the direction perpendicular to the axis of the pipe section, the sound wave transmission path can be prolonged, and the measured time difference is obvious.
Drawings
Fig. 1 is an exploded view of the present invention;
FIG. 2 is a cross-sectional view of the unitary rigid structure of the present invention;
FIG. 3 is a diagram of the bridge steel frame of the present invention;
fig. 4 is a schematic view of the installation and replacement of the present invention;
the reference numbers in the figures are as follows: the method comprises the following steps of 1-a meter cover, 2-a movement, 3-a meter shell, 4-a signal line, 5-a conduit, 6-a bridging steel frame, 6 a-a cutting circular positioning hole, 6 b-a welding end, 6 c-a bridging steel frame sunken area, 7-a fastening nut, 8-a fixed pressing sheet, 9-an ultrasonic transducer, 10-a sensor, 11-a sealing gasket, 12-a measuring module mounting column, 13-a pipe body, 14-a flange and 15-a measuring module.
Detailed Description
The measurement module for use with a pipe-section ultrasonic flow meter is further described below with reference to figures 1-4.
Example 1
A measurement module for use with a tube-segment ultrasonic flow meter, comprising: the device comprises a watch cover 1, a movement 2, a watch case 3, a signal wire 4, a conduit 5, a bridging steel frame 6, a fastening nut 7, a fixed pressing sheet 8, an ultrasonic transducer 9 and a sensor 10. The structure is in integral rigid connection, and a door-shaped rigid structure is formed by the bridging steel frame 6 and the sensor 10; the lower end of the watchcase 3 is wrapped by the bridging steel frame 6 and is hooked with the signal line 4, and the upper end of the watchcase 3 is hooked with the movement 2 through the clamping groove.
The fastening structure is formed by sleeving a fastening nut 7 with a section of a sensor in a circular cutting shape on a fixed pressing sheet 8 with an outer circle and an inner circle.
On the basis of the fastening structure, the sealing gasket 11 is pressed by the fixed pressing sheet 8 to form axial sealing.
The opposite-shooting positioning is realized by matching the circular-cutting perforated grooves at the welding ends at the two sides of the bridging steel frame 6 with the shaft end of the sensor 10 with a circular-cutting section.
The watchcase 3 is formed in a mould based on a door-shaped rigid structure by adopting an injection molding process, and is wrapped by a bridging steel frame 6 with a concave middle part and two raised ends to form an installation position of the movement 2.
The plurality of bridging steel frames 6 are welded at a certain angle according to the centroids thereof, including but not limited to integral casting, bonding, screwing, riveting, interference and buckling together, and form an "X" and a "X" shaped structure in a top view for loading a plurality of sensors 10 to form a multi-channel measurement module.
The fastening structure providing the axial clamping force can be replaced by an external snap, an internal spring plate structure, and 3 or a plurality of small thread fastening pressing plates.
The sealing and positioning structure can be formed by additionally arranging an intermediate connecting body at the end part of the sensor 10 in a diversified manner through welding and other manners. The correlation positioning can be realized by the middle connecting body and the measuring module mounting column 12 by using special-shaped holes including but not limited to square, star-shaped, spline grooves, key grooves and the like, set screws, pins and the like; the seal may form a radial seal with the O-ring via the groove of the intermediate connector.
The rigid connection formed by the bridging steel frame 6 can be replaced by a metal corrugated pipe, a bent steel pipe, a cast plastic pipe and the like, and the plurality of sensors 10 are respectively connected with the meter shell through threads or buckles and the like to form an integral connection, so that the purpose of modularization is achieved.
The integrated rigid connection structure is arranged on the small-caliber pipe section, can be separated from the bridging steel frame 6, and directly forms a plurality of sensors 10 together with the injection molding meter shell according to a certain relative position to form an integrated connection structure.
The measuring module solves the problem that the pipe-section type ultrasonic flowmeter is complicated to replace in the production and use environment,
further, install 2 ultrasonic transducer 9 on the sensor 10 that the cross-section is for cutting the circle shape to as an organic whole with the top of 2 sensors 10 and bridging steelframe 6 welding, present "door" font rigid structure, accomplish the correlation location through the cooperation of the special-shaped hole on bridging steelframe 6 and sensor 10 at the welded in-process, guarantee that ultrasonic transducer 9 on two sensors 10 can realize two liang of stable correlation in aqueous. And a connecting part of the plastic watch case and the movement 2 is cast with an installation vacancy of the movement 2 while a signal wire passing through the wire conduit 5 and the bridging steel frame 6 are wrapped on the plastic watch case 3 by adopting an injection molding process. At the joint of the pipe body 13, the fixed pressing sheet and the fastening nut are matched, and the fixed pressing sheet presses the sealing gasket 11 to complete sealing while the sensor 10 is fixed.
The movement 2 and the sensor 10 form an integral rigid structure, and are inserted in the tube body 13 perpendicular to the axis of the tube body 13. The measuring module mainly comprises a sensor 10, a bridging steel frame 6, a meter shell 3 and a movement 2, wherein the sensor 10 is combined with the bridging steel frame 6 through welding, the meter shell 3 is wrapped with the bridging steel frame 6 and a signal line 4 through injection molding, and the movement 2 is connected with the meter shell 3 through a buckle. During installation, the butt-shooting positioning is realized by the aid of the circular holes of the bridging steel frame 6, the fastening nut 7 is used for fixing, and the sealing gasket 11 is compressed by the aid of the fixed compression sheet for sealing. This neotype beneficial effect lies in: the effective sound wave transmission distance is prolonged, and the measurement precision is improved; realizing independent verification of the measurement module; the operation is simple and convenient in the production, assembly, use and replacement processes.
Example 2
2 ultrasonic transducers 9 are arranged on a sensor 10, a signal wire 4 is welded with a movement 2 through a wire conduit 5 through a wiring channel in the sensor 10, the wire conduit 5 and the signal wire 4 are coated under plastic by using an injection molding process on the basis of a door-shaped structure consisting of a bridging steel frame 6, the sensor 10, a fastening nut 7 and a fixed pressing sheet 8 to reach the protection level of IP68, and meanwhile, a watch case is formed to accommodate the movement 2 and jointly form a measuring module 15. The sealing structure between the sensor 10 and the pipe body 13 is realized by means of a boss for fixing the pressing sheet 8 and the measuring module mounting column 12 and a sealing gasket 11.
When a measurement device replacement is required:
only the fastening nut 7 needs to be loosened, and a measuring module 15 consisting of the meter cover 1, the movement 2, the meter shell 3, the signal wire 4, the conduit 5, the bridging steel frame 6, the fixed pressing sheet 8, the fastening nut 7, the ultrasonic transducer 9, the sensor 10 and the like is taken out along the axial direction of the sensor mounting and positioning tube 10, a new measuring device is inserted, and then the fastening nut 7 is screwed.
Taking the spool piece of DN100 as an example:
the sensor 10 is made of stainless steel 304, the length is 100mm, the maximum diameter is 14mm, and the section is in a cutting circle shape; obtaining a signal line channel by adopting an extrusion forming process; and (3) obtaining mounting hole positions of the two ultrasonic transducers by adopting a drilling process, wherein the hole diameter is 12 mm.
The fixed pressing sheet 8 is obtained by adopting a stamping process, the outer side of the fixed pressing sheet is 20mm circular, the inner side of the fixed pressing sheet is a circular hole matched with the sensor, the fixed pressing sheet is welded at a position 70mm away from the bottom of the sensor, the fastening nut 7 is sleeved on the fixed pressing sheet to form a fixed structure, and meanwhile, the fixed pressing sheet presses the sealing gasket to form axial sealing.
The bridging steel frame 6 is obtained by adopting a stamping process and welded at the top of the sensor, the bridging steel frame 6 and the welding end 6b of the sensor 10 are also matched with a cut circular shaft hole 6a, the purpose of socket welding can be realized, and the purpose of positioning can be realized by matching special-shaped shaft holes, so that a pair of sensors can achieve the effect of two-two correlation of the transducers after being welded with the bridging steel frame, meanwhile, the steel frame is high at two ends and low in the middle of the welded part in shape, a space is created for accommodating a machine core in the sunken area 6c of the bridging steel frame, the length of the steel frame is 180mm, the width of the steel frame is 18mm, and the length of the sunken.
The watchcase 3 is formed by plastic injection, the parts are arranged in a mold together for injection molding after being assembled, and the signal wire is wrapped in the plastic while the installation position of the movement 2 is obtained on the basis of the bridging steel frame.
Further, the above dimensions may be modified in series according to the tube bodies 13 of different diameters.
Furthermore, the bridging steel frames can be simply expanded, and an X-shaped or X-shaped structure can be formed by welding two bridging steel frames 6 through the centers so as to weld a plurality of pairs of sensors, so that the aim of multi-channel measurement is fulfilled.
Further, an intermediate connector can be additionally arranged on the combination mode of the sensor 10 and the pipe body 13 through welding or casting at the upper end of the sensor, and the intermediate connector is used for positioning, fastening and sealing the measuring module and the measuring pipe body. The implementation mode of the three functions can be expanded aiming at the intermediate connector, such as radial positioning is realized by forming a conical surface by the intermediate connector and matching with the mounting column of the measuring module; circumferential positioning is formed by matching of special-shaped shaft holes, keys, pins and the like; a radial seal is formed with the O-ring by a radial groove of the intermediate connector, and so on.
Further, the number of the ultrasonic transducers 9 on the sensor 10 may also be 1 or more to realize mono or multi-channel measurement.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A measurement module for use with a pipe-segment ultrasonic flow meter, comprising: gauge outfit, signal line (4), ultrasonic transducer (9), sensor (10), signal line (4) one end with the gauge outfit is connected signal line (4) the other end with sensor (10) are connected, be equipped with a plurality of on sensor (10) ultrasonic transducer (9), the gauge outfit with sensor (10) an organic whole is connected.
2. A measurement module for a tube-section ultrasonic flow meter according to claim 1, further comprising a bridge steel frame (6), the bridge steel frame (6) being provided between the head and the sensors (10), the bridge steel frame (6) and the two sensors (10) forming a "door" -shaped integral rigid structure.
3. A measurement module for use with a tube-section ultrasonic flow meter according to claim 2, further comprising a conduit (5) nested within the signal wire (4); the gauge outfit includes: the watch comprises a watch cover (1), a movement (2) and a watch case (3), wherein the movement (2) is arranged in the watch case (3), the watch cover (1) is connected with the watch case (3), and the upper end of the watch case (3) is hooked with the movement (2) through a clamping groove.
4. A measuring module for use in a tube-section ultrasonic flow meter according to claim 1, wherein the sensor (10) is provided with a fastening structure, the fastening structure is formed by a fastening nut (7) engaging with a fixed pressing sheet (8) having an outer circle and an inner circle, and the sensor (10) is provided with a sealing gasket (11) for forming an axial seal.
5. The measurement module for use with a tube-section ultrasonic flow meter according to claim 2, wherein the welded ends on both sides of the bridging steel frame (6) are provided with cut circular open slots, the cross section of the axial end of the sensor (10) is cut circular, and the sensor (10) is fittingly connected with the cut circular open slots.
6. The measurement module for use in a pipe-section ultrasonic flowmeter of claim 3, wherein the case (3) is a rigid structure shaped like a Chinese character 'men' made by injection molding, the bridge steel frame (6) is a structure with a concave middle and two raised ends, and the case (3) wraps the bridge steel frame (6).
7. A measurement module for a tube-section ultrasonic flow meter according to claim 2, wherein a plurality of bridge steel frames (6) are connected at an angle at their centroids, forming an "X" or "X" configuration in plan view, the plurality of bridge steel frames (6) being connected by any one of integral casting, bonding, screwing, riveting, interference, or snap-fitting.
8. A measurement module for a tube-section ultrasonic flow meter according to claim 4, wherein the fastening structure is replaced by any one of an external snap, an internal spring tab, a plurality of small threaded fastening tabs.
9. A measurement module for use in a segmented ultrasonic flow meter according to claim 1, wherein the access hole of the measurement module mounting post (12) is a profiled hole, the end of the transducer (10) is provided with an intermediate connector having a cross-section of a profile corresponding to the access hole of the measurement module mounting post (12), and the profiled hole is any one of square, star, spline groove, and key groove.
10. The measurement module for use with a tube-section ultrasonic flow meter according to claim 3, wherein the bridging steel frame (6) is replaced by any one of a metal bellows, a bent steel tube, a cast plastic tube; the sensors (10) are respectively connected with the watch case (3) through threads or buckles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204099.1U CN210089773U (en) | 2019-07-29 | 2019-07-29 | Measurement module for supply tube segmentation ultrasonic flowmeter to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204099.1U CN210089773U (en) | 2019-07-29 | 2019-07-29 | Measurement module for supply tube segmentation ultrasonic flowmeter to use |
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| Publication Number | Publication Date |
|---|---|
| CN210089773U true CN210089773U (en) | 2020-02-18 |
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| CN201921204099.1U Active CN210089773U (en) | 2019-07-29 | 2019-07-29 | Measurement module for supply tube segmentation ultrasonic flowmeter to use |
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| CN (1) | CN210089773U (en) |
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- 2019-07-29 CN CN201921204099.1U patent/CN210089773U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A measurement module for tubular ultrasonic flowmeter Effective date of registration: 20220712 Granted publication date: 20200218 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN TAOSONICS INSTRUMENT CO.,LTD. Registration number: Y2022980010294 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230717 Granted publication date: 20200218 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN TAOSONICS INSTRUMENT CO.,LTD. Registration number: Y2022980010294 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Measurement Module for Pipe Section Ultrasonic Flowmeters Effective date of registration: 20230718 Granted publication date: 20200218 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN TAOSONICS INSTRUMENT CO.,LTD. Registration number: Y2023210000178 |