CN111721371A - High-precision water-heating meter - Google Patents
High-precision water-heating meter Download PDFInfo
- Publication number
- CN111721371A CN111721371A CN202010698253.6A CN202010698253A CN111721371A CN 111721371 A CN111721371 A CN 111721371A CN 202010698253 A CN202010698253 A CN 202010698253A CN 111721371 A CN111721371 A CN 111721371A
- Authority
- CN
- China
- Prior art keywords
- fixing
- transducer
- fixed
- groove
- measuring
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- G01F15/14—Casings, e.g. of special material
-
- 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
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
-
- 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
Abstract
The invention discloses a high-precision water-heating meter which comprises an energy conversion device with an energy converter body, wherein the energy converter body comprises a fixing device, a connecting assembly and a piezoelectric ceramic piece, wherein the fixing device is formed by injection molding of one side of an opening of an energy converter fixing seat and an encapsulated metal bowl, the connecting assembly is formed by injection molding of one side of a connecting cover and a spring pin, the piezoelectric ceramic piece is arranged in the energy converter fixing seat and is pressed by the spring pin, and the connecting assembly is clamped and fixed on the fixing device; the measuring device is provided with a measuring pipe, and the outer surface of the measuring pipe is provided with a positioning hole for fixing the measuring device and a fixing installation groove for embedding the energy conversion device; a cast watch body disposed outside the measuring device. According to the invention, by improving the structure of parts, the assembly and processing time is shortened, the measuring device is integrally molded by injection, post-processing is not required, the cast meter body only needs little post-processing, the relative precision is higher, and the assembly parts are reduced, so that the accumulated error is reduced, and the measuring precision is increased.
Description
Technical Field
The invention relates to the field of instruments for measuring flow and heat in a pipeline by utilizing ultrasound, in particular to a high-precision water-heat meter.
Background
The existing instruments for measuring flow and heat in a pipeline by using ultrasound, particularly large-caliber ultrasonic flow sensors, generally adopt a mode of directly emitting an ultrasonic wave by a transducer to carry out ultrasonic propagation to measure the flow, specifically, one or more pairs of ultrasonic transducers are placed at two ends of a pipeline to be measured, the principle of ultrasonic wave propagation in liquid is utilized, the flow velocity of fluid is calculated by measuring the forward and reverse propagation velocity difference of sound waves, and then the flow is calculated by an integral formula integrated in a PCB chip. For a more accurate calculation of the flow, a higher signal transmission between each pair of transducers is required, resulting in a more stable fluid condition. However, it is difficult to obtain stable fluid in practical situations, and in order to obtain more stable fluid, a flow stabilizing element is installed at the inlet of the flow meter to achieve the flow stabilizing effect. Each transducer pair has a high amplitude for signal transmission due to the assembly process, and the measurement spool piece requires a higher accuracy for a higher amplitude and a better signal transmission.
In the prior art, the casting difficulty of the outer surface of the traditional casting meter body caused by the forming process is high, and the casting meter body is integrally formed, so that the threading hole casting difficulty is high, the casting is difficult, and the casting defect is easily formed at the position to cause the rejection of the casting meter body. Conventional welding of the watch body tends to deform the transducer tube due to the welding. The traditional water-heat meter has too many parts, if the transducer body needs to be fixed by bolts, welding and other modes, the assembly process is too many and too complex, and because the wiring needs a large amount of tin soldering during assembly, a plurality of processing procedures and a plurality of dies are needed, the number of assembly parts is large, the accumulated error caused by the large-scale wiring is large, and the flow calculation error is large.
Disclosure of Invention
The invention aims to provide a high-precision water heating meter to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high accuracy water heating meter comprising:
the energy conversion device is provided with an energy converter body, the energy converter body comprises a fixing device which is formed by injection molding of one side of an opening of an energy converter fixing seat and an encapsulated metal bowl, a connecting component which is formed by injection molding of one side of a connecting cover and a spring needle, and a piezoelectric ceramic piece which is arranged in the energy converter fixing seat and is pressed by the spring needle, and the connecting component is clamped and fixed on the fixing device;
the measuring device is provided with a measuring pipe, and the outer surface of the measuring pipe is provided with a positioning hole for fixing the measuring device and a fixing installation groove for embedding the energy conversion device;
a cast watch body disposed outside the measuring device.
As a further scheme of the invention: the casting meter is characterized in that a connecting hole is formed in the casting meter body, the connecting hole is fixedly connected with a fixing ring at one end of the connecting device in a clamping mode, and the fixing ring is fixedly connected with the positioning hole in a clamping mode.
As a further scheme of the invention: the connecting device is internally of a hollow structure and comprises a fixing ring, a flange connected to one end of the fixing ring, and a connecting rod connected to one end of the flange, and the connecting device is fixed to the connecting hole through a flange bolt.
As a further scheme of the invention: the inner wall of the positioning hole is relatively provided with a connector fixing column, and the male end of the connector is fixed in the positioning hole through the connector fixing column.
As a further scheme of the invention: the fixed mounting groove comprises a circumferential wire groove, a first radial wire groove, a second radial wire groove and energy converter fixing holes arranged at two ends of the first radial wire groove and the second radial wire groove.
As a further scheme of the invention: the circumferential wire grooves are arranged along the circumferential direction of the measuring pipe and communicated with the positioning holes; the first radial line groove and the second radial line groove are arranged oppositely along the radial direction of the measuring pipe, the positions of the two ends of the first radial line groove are communicated with the positioning hole, and the positions of the two ends of the second radial line groove are communicated with the circumferential line groove; the transducer fixing hole is obliquely formed in the measuring pipe.
As a further scheme of the invention: the energy conversion device comprises a signal transmission line with one end serving as a male connector head, the line body part of the signal transmission line is fixed on the circumferential wire slot, at least two energy converters which are not arranged on the same side and are not parallel to the signal transmission line are arranged at two ends of the signal transmission line, each energy converter comprises an energy converter body and a plug signal line connected with the energy converter body, the energy converter bodies are clamped and fixed in the energy converter fixing holes, and the plug signal lines are fixed on the first radial wire slot and the second radial wire slot.
As a further scheme of the invention: the connector is characterized by further comprising a connector female head, a plug part of the connector female head is connected with the connector male head, a line body part of the connector female head penetrates through the connecting device from the side of the fixing ring to be connected onto the gauge head, and the gauge head is fixed at one end, not provided with the fixing ring, of the connecting device through a bolt.
As a further scheme of the invention: the energy converter fixing seat is provided with an installation boss on one side of the rubber-coated metal bowl, the connecting cover is not provided with a buckle groove on one side of the spring pin, a buckle is arranged at one end of the plug signal wire, and the buckle can be inserted into the buckle groove.
As a further scheme of the invention: the casing extends out of survey buret one end and forms the rectification subassembly with a plurality of ribs, the rectification subassembly with survey buret formula structure as an organic whole.
Compared with the prior art, the invention has the beneficial effects that: the ultrasonic transducer is novel in structure, soldering is not needed in the process of connecting, processing and assembling wires, all the ultrasonic transducers are connected through connectors, the problems that the traditional ultrasonic transducer is complex in structure, too large in device and incapable of being integrally installed on a measuring pipe section are solved by simplifying the structure of the transducer body and enabling the structures to be connected through clamping, all the components are fixedly connected through the structures of the components, the components are fixed in an auxiliary mode such as soldering, and the problem that assembling time is wasted due to the fact that assembling is complicated through screw fixing, welding, riveting and the like in the process of assembling is solved; the clamping structure used between the positioning hole of the fixing ring and the connecting hole of the cast meter body reduces the assembling process and difficulty; through fixing the transducer on measuring device with the gomphosis mode through the fixed mounting groove for but measuring device integrated injection moulding need not the post-processing transducer fixer hole, and relative precision is higher, has solved traditional table body and need a large amount of tin welding when walking the line assembly, and traditional table body is too much because spare part, and the assembly process is many, need open the problem of a plurality of moulds, has solved because the fitting part is many, and the accumulative total error that causes is big, and the problem that flow calculation error is big.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural diagram of a measuring device and a transducer device;
FIG. 5 is a schematic view of a measurement tube;
FIG. 6 is a schematic view of the transducer body mounted on the transducer mounting hole;
FIG. 7 is a schematic diagram of the structure of the transducer body and the plug signal line;
FIG. 8 is a cross-sectional view of a transducer body and plug signal lines.
In the figure: 1-transducer device, 11-signal transmission line, 12-connector male head, 13-transducer, 131-transducer body, 1311-transducer fixing seat, 13111-inner clamping groove, 13112-mounting boss, 1312-connecting cover, 13121-boss, 13122-buckling groove, 1313-piezoelectric ceramic piece, 1314-rubber-coated metal bowl, 1315-spring pin, 132-plug signal line, 2-measuring device, 21-rectifying component, 22-sealing ring, 23-measuring tube, 231-positioning hole, 2311-connector fixing column, 2321-circumferential line groove, 2322-first radial line groove, 2323-second radial line groove, 2324-transducer fixing hole, 3-casting meter body, 31-connecting hole, 4-connecting device, 41-fixed ring, 42-flange, 43-connecting rod, 5-connector female head and 6-meter head.
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.
Referring to fig. 1-8, in an embodiment of the present invention, a high-precision water heating meter includes a transducer 1 having a transducer body 131, where the transducer body 131 includes a fixing device formed by injection molding of an open side of a transducer fixing seat 1311 and an encapsulated metal bowl 1314, a connecting assembly formed by injection molding of a side of a connecting cover 1312 and a pogo pin 1315, and a piezoelectric ceramic plate 1313 disposed in the transducer fixing seat 1311 and pressed by the pogo pin 1315, and the connecting assembly is fixed to the fixing device in a snap-fit manner; a measuring device 2 having a measuring tube 23, the outer surface of which is provided with a positioning hole 231 for fixing the measuring device 2, and a fixing mounting groove 232 for fitting the transducer device 1; and a cast watch body 3 provided outside the measuring device 2.
Specifically, the energy conversion device 1 includes a signal transmission line 11 having a male connector 12 at one end, a line body part of the signal transmission line is fixed on the circumferential wire slot 2321, two ends of the signal transmission line are respectively provided with at least two energy converters 13 which are not on the same side and are not parallel to the signal transmission line 11, and each energy converter includes an energy converter body 131 and a plug signal line 132 connected to the energy converter body 131 through a snap.
Specifically, the fixing device of the transducer body 131 includes a transducer fixing seat 1311 and an encapsulated metal bowl 1314, one side of an opening of the transducer fixing seat 1311 and the encapsulated metal bowl 1314 are integrally molded by injection, an inner clamping groove 13111 is formed in one side of the transducer fixing seat 1311, which is not provided with the encapsulated metal bowl 1314, an installation boss 13112 is formed in one side of the encapsulated metal bowl 1314, the transducer fixing seat 1311 positions and fixes the piezoelectric ceramic plate 1313, and enables the piezoelectric ceramic plate 1313 to be waterproof, scratch-proof and breakage-proof in the using process, the installation boss 13112 on the transducer fixing seat 1311 can directly install and fix the transducer without other fixing methods, a sealing gasket is arranged on the installation boss 13112, so that the transducer body 131 can be better fixed on the measuring tube 23, and the transducer fixing seat 1311 is actually molded by injection, with rubber coating metal bowl 1314 injection moulding one holistic spare part, compare with the structure of traditional point gum pressure-feed fit, the structure wholeness ability that contains together is better, is changeed waterproofly, prevents fish tail, breakage-proof to need not the point gum pressure-feed fit, practiced thrift the time greatly.
Specifically, the connecting assembly of the transducer body 131 includes a connecting cover 1312 and a pogo pin 1315, one side of the connecting cover 1312 is integrally injection-molded with the pogo pin 1315, one side of the connecting cover 1312 where the pogo pin 1315 is disposed is provided with a boss 13121, the boss 13121 can be fixed in the inner slot 13111, one side of the connecting cover 1312 where the pogo pin 1315 is not disposed is provided with a snap slot 13122, the connecting cover 1312 is structurally firm when actually injection-molded, and after the connecting cover 1312 is fixed to the transducer fixing seat 1311, a compression spring thimble or other elastic metal conductive members designed by the pogo pin 1315 tightly pushes against the piezoelectric ceramic plate 1313 to play roles of fixing and conducting, so that many parts can be reduced, and the structure of the ultrasonic transducer can be compact, the assembly process is simple, so that the ultrasonic transducer can be very thin and is suitable for various complex use conditions and installation environments.
Specifically, the piezoelectric ceramic piece 1313 of the transducer body 131 is arranged in the transducer fixing seat 1311, the piezoelectric ceramic piece 1313 is pressed by the spring pins 1315, the piezoelectric ceramic piece 1313 is of a ring structure, and the piezoelectric ceramic piece 1313 is used for transmitting and receiving ultrasonic signals to measure.
Specifically, a buckle is disposed at one end of the plug signal line 132, and the buckle can be inserted into the buckle slot 13122, so that the plug signal line 132 and the connection cover 1312 are fixed together and fixed when inserted into the bottom, thereby ensuring stable and reliable signal connection.
Specifically, the connector comprises a female connector head 5, a plug portion of which is connected with the male connector head 12, a wire portion of which passes through the connecting device 4 from the fixing ring 41 side and is connected to a gauge head 6, and the gauge head 6 is fixed at one end of the connecting device 4, at which the fixing ring 41 is not arranged, through a bolt and an elastic gasket.
Specifically, the positioning hole 231 is disposed on the outer surface of the measuring tube 23, and is clamped and fixed with the fixing ring 41 at one end of the connecting device 4, a connector fixing post 2311 is relatively disposed on the inner wall of the positioning hole 231, the connector fixing post 2311 fixes the male connector 12 in the positioning hole 231 without being fixed by a screw or other parts, and the positioning hole 231 plays two roles, on one hand, the measuring device 2 is fixed in the cast meter body 3, and on the other hand, the male connector 12 is fixed in the positioning hole 231.
Specifically, the fixing installation groove 232 is disposed on the outer surface of the measurement pipe 23, and is equal in height to the positioning hole 231, and the fixing installation groove 232 includes a circumferential line groove 2321, a first radial line groove 2322, a second radial line groove 2323, and a transducer fixing hole 2324 disposed at two ends of the first radial line groove 2322 and the second radial line groove 2323 and used for fixing the transducer body 131 to complete a transduction process.
Specifically, the circumferential wire slot 2321 is circumferentially arranged along the measuring tube 23 and is communicated with the positioning hole 231, and the circumferential wire slot 2321 fixes the wire body part of the signal transmission line 11, so as to ensure that the signal line is stably fixed in the wire slot.
Specifically, the first radial line slot 2322 and the second radial line slot 2323 are arranged opposite to each other in the radial direction of the measurement pipe 23, the non-two end positions of the first radial line slot 2322 are communicated with the positioning hole 231, the non-two end positions of the second radial line slot 2323 are communicated with the circumferential line slot 2321, the plug signal line 132 connected with the male connector 12 is fixed in the first radial line slot 2322, and the plug signal line 1322 not connected with the male connector 12 is fixed in the second radial line slot 2323, so that the signal line is stably fixed in the line slot.
Specifically, transducer fixed orifices 2324 slant is seted up on surveying buret 23, it has the fixed angle of seting up, and this angle needs verify according to actual test and algorithm, transducer fixed orifices 2324 is T shape hole, transducer body 131 joint is fixed in the transducer fixed orifices 2324.
Specifically, survey buret 23 one end and extend the casing and form rectification subassembly 21 with a plurality of ribs, the rectification subassembly with survey buret 23 formula structure as an organic whole, it makes the vortex fluid can further refine the reposition of redundant personnel behind rectification subassembly 21 and become stranded fluid, and furthest reduces the fluid and forms the possibility of torrent in surveying buret, improves the fluid measurement accuracy of each measuring point department in the ultrasonic wave metering device.
Specifically, measuring device 2's both ends are provided with sealing washer 22, and at this position assembly sealing washer 22, the waterproof dustproof of female head 5 of connector in the middle of guaranteeing, transducer 1, measuring device 2 is integrative injection moulding, and transducer fixed orifices 2324's rigidity can directly be moulded plastics out, need not postprocessing transducer fixed orifices 2324, and relative precision is higher.
Specifically, the casting watch body 3 is arranged outside the measuring device 2, the casting watch body 3 is provided with a connecting hole 31, the connecting hole is clamped and fixed with a fixing ring 41 at one end of the connecting device 4, the fixing ring is clamped and fixed with the positioning hole 231, and the measuring device 2 is integrally injection-molded, so that a transducer hole does not need to be processed on the casting watch body, the whole processing process only comprises the processing time of injection-molding the casting watch body 3, each processing time of the traditional welding watch body is 950 minutes, each processing time of the traditional casting watch body is 250 minutes, each processing time of the casting watch body 3 is 35 minutes, and the time is greatly saved compared with the traditional watch body processing.
Specifically, connecting device 4 is inside to be hollow structure, include solid fixed ring 41, connect solid fixed ring one end's flange 42, and connect and be in the connecting rod 43 of flange 42 one end, gu fixed ring connects the one end of flange 42 is provided with the hole that can block female head 5 of connector, connecting device 4 passes through flange 42 bolt and bullet gasket are fixed on connecting hole 31.
The invention has novel structure and stable operation, when in use, after the spring needle 1315 on the connecting cover 1312 is fixed at the connecting cover 1312, the piezoelectric ceramic piece 1313 is tightly pressed by the compression spring thimble designed by the spring needle 1315, so that the piezoelectric ceramic piece 1313 and the rubber-coated metal bowl 1314 on the transducer fixing seat 1311 are combined tightly and firmly to form the transducer body 131, the plug signal wire 132 is inserted into the buckling groove 13122 of the connecting cover 1312, the transducer body 131 is clamped and fixed in the transducer fixing hole 2324 by the mounting boss 13112 on the transducer fixing seat 1311, the signal transmission wire 11 is fixed in the circumferential wire groove 2321, the plug signal wire 132 connected with the connector male head 12 is fixed in the first radial wire groove 2322, the plug signal wire 1322 not connected with the connector male head 12 is fixed in the second radial wire groove 2323, the connector male head 12 is fixed in the positioning hole 231 by the connector fixing column 2311, the sealing rings 22 are installed at two ends of the measuring device 2 and are installed in the casting meter body 3, the female head 5 of the connector is connected with the male head 12 of the connector, the female head of the connector penetrates through the connecting device 4 from the fixing ring 41 side and is connected to the meter head 6, the fixing ring 41 of the connecting device 4 is clamped into the connecting hole 31 of the casting meter body 3 to clamp the positioning hole 231, the flange 42 of the connecting device 4 is fixedly connected to the casting meter body 3 through a bolt and an elastic gasket, and the meter head 6 and one end of the connecting rod 43 of the connecting device 4 are fixed through the bolt and the elastic gasket.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A high accuracy water heating meter, comprising:
the transducer device (1) is provided with a transducer body (131), the transducer body (131) comprises a fixing device formed by injection molding of one side of an opening of a transducer fixing seat (1311) and an encapsulated metal bowl (1314), a connecting assembly formed by injection molding of one side of a connecting cover (1312) and a pogo pin (1315), and a piezoelectric ceramic piece (1313) arranged in the transducer fixing seat (1311) and pressed by the pogo pin (1315), and the connecting assembly is clamped and fixed on the fixing device;
a measuring device (2) having a measuring tube (23) whose outer surface is provided with a positioning hole (231) for fixing the measuring device (2) and a fixing mounting groove (232) for fitting the transducer device (1);
a cast watch body (3) arranged outside the measuring device (2).
2. The high-precision water-heating meter according to claim 1, wherein the cast meter body (3) is provided with a connecting hole (31), the connecting hole is clamped and fixed with a fixing ring (41) at one end of the connecting device (4), and the fixing ring is clamped and fixed with the positioning hole (231).
3. A high accuracy water heating meter according to claim 2, characterized in that the connecting device (4) is hollow inside and comprises the fixing ring (41), a flange (42) connected to one end of the fixing ring, and a connecting rod (43) connected to one end of the flange, and the connecting device (4) is bolted to the connecting hole (31) through the flange (42).
4. A high precision water heating meter according to claim 2, characterized in that the inner wall of said positioning hole (231) is oppositely provided with a connector fixing post (2311), and said male connector (12) is fixed in said positioning hole (231) through said connector fixing post (2311).
5. A high accuracy water heating meter according to claim 1, characterized in that said fixing mounting groove (232) comprises a circumferential line groove (2321), a first radial line groove (2322), a second radial line groove (2323) and transducer fixing holes (2324) arranged at both ends of said first radial line groove (2322) and said second radial line groove (2323).
6. A high accuracy water heating meter according to claim 5, characterized in that said circumferential wire slots (2321) are provided circumferentially along said measuring pipe (23) and communicate with said positioning holes (231); the first radial line groove (2322) and the second radial line groove (2323) are arranged in a radial direction opposite to each other along the measuring pipe (23), the positions of the two ends of the first radial line groove (2322) are not communicated with the positioning hole (231), and the positions of the two ends of the second radial line groove (2323) are not communicated with the circumferential line groove (2321); the transducer fixing hole (2324) is obliquely formed in the measuring tube (23).
7. A high-precision water-heating meter according to claim 6, wherein the transducer device (1) comprises a signal transmission line (11) with a connector male head (12) at one end, a line body part of the signal transmission line is fixed on the circumferential line slot (2321), at least two transducers (13) which are not on the same side and are not parallel to the signal transmission line (11) are arranged at two ends of the signal transmission line, the transducers comprise a transducer body (131) and plug signal lines (132) connected with the transducer body (131), the transducer body (131) is clamped and fixed in the transducer fixing holes (2324), and the plug signal lines (132) are fixed on the first radial line slot (2322) and the second radial line slot (2323).
8. A high accuracy water heating meter according to claim 7, characterized by further comprising a female connector head (5), a male connector head (12) of which is connected to a male connector head, a wire body of which is connected to a meter head (6) through said connecting means (4) from the side of said fixing ring (41), said meter head being fixed by bolts to an end of said connecting means (4) where said fixing ring (41) is not provided.
9. A high-precision water-heating meter according to claim 7, characterized in that the transducer fixing seat (1311) is provided with a mounting boss (13112) at the side where the rubber-covered metal bowl (1314) is arranged, the connecting cover (1312) is provided with a snap groove (13122) at the side where the pogo pin (1315) is not arranged, and the plug signal wire (132) is provided with a snap at one end, and the snap can be inserted into the snap groove (13122).
10. A high accuracy water and heat meter according to claim 1, characterized in that the measuring tube (23) extends from one end to a housing and forms a rectifying assembly (21) with a plurality of ribs, the rectifying assembly and the measuring tube (23) being of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698253.6A CN111721371A (en) | 2020-07-20 | 2020-07-20 | High-precision water-heating meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698253.6A CN111721371A (en) | 2020-07-20 | 2020-07-20 | High-precision water-heating meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111721371A true CN111721371A (en) | 2020-09-29 |
Family
ID=72572854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010698253.6A Pending CN111721371A (en) | 2020-07-20 | 2020-07-20 | High-precision water-heating meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111721371A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390484A (en) * | 2021-05-31 | 2021-09-14 | 广东奥迪威传感科技股份有限公司 | Ultrasonic flow transducer and electrical property switching mechanism |
| CN113390484B (en) * | 2021-05-31 | 2024-05-17 | 广东奥迪威传感科技股份有限公司 | Ultrasonic flow transducer and electrical switching mechanism |
-
2020
- 2020-07-20 CN CN202010698253.6A patent/CN111721371A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390484A (en) * | 2021-05-31 | 2021-09-14 | 广东奥迪威传感科技股份有限公司 | Ultrasonic flow transducer and electrical property switching mechanism |
| CN113390484B (en) * | 2021-05-31 | 2024-05-17 | 广东奥迪威传感科技股份有限公司 | Ultrasonic flow transducer and electrical switching mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106595785B (en) | A kind of correlation ultrasonic flow meter with small aperture | |
| US8408072B2 (en) | Coupling element for an ultrasonic flow measuring device | |
| CN111721371A (en) | High-precision water-heating meter | |
| CN114413984A (en) | Ultrasonic water meter | |
| CN212567537U (en) | High-precision water-heating meter | |
| CN114563052A (en) | Gas ultrasonic flowmeter | |
| CN116105816A (en) | Ultrasonic flowmeter structure | |
| CN210464567U (en) | Electromagnetic flowmeter | |
| CN114993395A (en) | Detachable ultrasonic flowmeter pipeline and transducer mounting structure | |
| CN218121028U (en) | Temperature and pressure sensor | |
| CN102564506B (en) | Ultrasonic heat meter pipe section and mounting method thereof | |
| CN211121406U (en) | Large-caliber ultrasonic flowmeter | |
| CN214748199U (en) | MEMS ultrasonic flowmeter | |
| CN209524967U (en) | A kind of flange form ultrasonic flowmeter outer housing | |
| CN209524969U (en) | A kind of mounting structure of ultrasonic flowmeter fairing | |
| CN212082485U (en) | Ultrasonic flowmeter shell | |
| CN213336280U (en) | Linear flow channel device for ultrasonic gas meter | |
| CN211042349U (en) | Ultrasonic transducer installation device and ultrasonic water meter | |
| CN210293327U (en) | High-precision electromagnetic flowmeter convenient to install | |
| CN218895846U (en) | Transducer of ultrasonic equipment | |
| CN110567542A (en) | Ultrasonic transducer installation device and ultrasonic water meter using same | |
| CN211602049U (en) | Fixing and mounting structure for lining type ultrasonic flowmeter | |
| CN105973327A (en) | Ultrasound flow sensor and assembling method thereof | |
| CN215835660U (en) | Mounting structure of digital sensing detection module | |
| CN206056691U (en) | A kind of ultrasonic flow transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |