CN211783978U - W-shaped ultrasonic heat meter - Google Patents
W-shaped ultrasonic heat meter Download PDFInfo
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- CN211783978U CN211783978U CN202020876713.5U CN202020876713U CN211783978U CN 211783978 U CN211783978 U CN 211783978U CN 202020876713 U CN202020876713 U CN 202020876713U CN 211783978 U CN211783978 U CN 211783978U
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Abstract
The utility model discloses a W type ultrasonic wave calorimeter relates to W type ultrasonic wave calorimeter technical field. The pipeline section between the water inlet end and the water outlet end is provided with a first mounting seat, a second mounting seat and a temperature measuring seat which are inclined, a path formed by the reflection of an ultrasonic signal sent by one ultrasonic transducer by the water inlet end reflecting plate, the middle reflecting plate and the water outlet end reflecting plate is W-shaped and is received by the other ultrasonic transducer, and the two temperature sensors and the two ultrasonic transducers are respectively connected with a calculator circuit. The ultrasonic wave transducer has the advantages that the mounting seat of the ultrasonic wave transducer is designed in an inclined mode, the reflecting plate is directly placed in the measuring pipeline in a flat mode, the path of an ultrasonic wave signal can be in a W shape, the sound wave propagation distance is long, and the measuring precision is high; the inclined transmitting station and receiving station are not required to be arranged in the measuring pipeline, the water flow form in the measuring pipeline is stable, and the measuring accuracy of the heat meter is good.
Description
Technical Field
The utility model relates to a W type ultrasonic wave calorimeter technical field specifically is a W type ultrasonic wave calorimeter.
Background
The ultrasonic heat meter is an instrument for measuring flow by an ultrasonic method and displaying heat energy released or absorbed by water flowing through a heat exchange system. The heat value can be obtained by the physical quantity measured by two sensors, namely the flow of a heat carrier and the temperature of an inlet and an outlet, and then by the compensation and integral calculation of density and enthalpy values. The ultrasonic heat meter consists of a heat measuring component and a signal converter. The heat measuring component comprises an ultrasonic flowmeter, a temperature sensor and a measuring pipeline, and the functions of measuring flow and temperature are realized. The signal converter comprises a signal conversion module, a microprocessor, a display module, a signal output module and the like.
The ultrasonic heat meter is characterized in that a pair of temperature sensors are respectively arranged on an ascending pipe and a descending pipe which pass through heat-carrying fluid to respectively measure inlet water temperature and return water temperature, the ultrasonic flow meter sends and receives ultrasonic signals through an ultrasonic transducer to obtain the flow of hot water according to the sound wave time difference principle, a calculator collects the signals from the flow meter and the temperature sensors, and the heat quantity obtained by a heat exchange system is calculated by using a calculation formula.
At present, common ultrasonic heat meters have V-shaped column structures, II types and W types. The inner wall of the sleeve of the W-shaped ultrasonic heat meter is provided with a transmitting platform and a receiving platform which reflect ultrasonic waves transmitted by the ultrasonic transducer to a measured fluid and a receiver, the transmitting platform and the receiving platform are arranged to be inclined at 45 degrees in a corresponding mode, and the W-shaped ultrasonic heat meter has the advantages of high measurement accuracy and the like due to long sound wave propagation distance.
The chinese patent entitled "ultrasonic heat meter pipe section" granted on 12/5/2012 and issued on grant No. CN202582789U discloses that a transmitting station and a receiving station which are corresponding to through holes and are obliquely arranged are arranged on the inner wall of the lower side of a pipe sleeve of the ultrasonic heat meter pipe section, a reflecting sheet is arranged on the inner wall of the upper side of the pipe sleeve, the inclined surface of the transmitting station and the inclined surface of the receiving station correspond to the reflecting sheet, and the ultrasonic waves are sequentially reflected by the transmitting station, the reflecting sheet and the receiving station to form a W-shaped route. The problem exists that the inclined transmitting station and receiving station are arranged on the pipeline, so that certain height is inevitably existed to influence the water flow form, and further the measurement accuracy of the heat meter is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a W type ultrasonic wave calorimeter solves above-mentioned technical problem.
The specific technical scheme is that the W-shaped ultrasonic heat meter comprises: the device comprises a measuring pipeline, a calculator, two temperature sensors and two ultrasonic transducers, wherein the calculator, the two ultrasonic transducers and one of the temperature sensors are arranged on the measuring pipeline, the measuring pipeline is arranged in an ascending pipe or a descending pipe, the other temperature sensor is arranged in the descending pipe or the ascending pipe,
the two ends of the measuring pipeline along the axial direction are respectively a water inlet end and a water outlet end, a pipe section between the water inlet end and the water outlet end is provided with an inclined first mounting seat, an inclined second mounting seat and a temperature measuring seat, the first mounting seat, the second mounting seat and the temperature measuring seat are communicated with an inner cavity of the measuring pipeline, the first mounting seat and the second mounting seat are symmetrically distributed by taking the radial line of the measuring pipeline as a symmetry axis,
one ultrasonic transducer is arranged on the first mounting seat, the other ultrasonic transducer is arranged in the second mounting seat, the temperature sensor is arranged in the temperature measuring seat, the temperature measuring probe is positioned in the inner cavity of the measuring pipeline,
further comprising: a water inlet end reflecting plate, a middle reflecting plate and a water outlet end reflecting plate are arranged on the inner wall of the bottom of the measuring pipeline, the water inlet end reflecting plate and the water outlet end reflecting plate are arranged on the inner wall of the top of the measuring pipeline, the water inlet end reflecting plate is arranged on the axis of the first mounting seat, the water outlet end reflecting plate is arranged on the axis of the second mounting seat, the middle reflecting plate is positioned between the water inlet end reflecting plate and the water outlet end reflecting plate, an ultrasonic signal sent by one ultrasonic transducer is received by the other ultrasonic transducer in a W-shaped path formed by the reflection of the water inlet end reflecting plate, the middle reflecting plate and the water outlet end reflecting plate,
the two temperature sensors and the two ultrasonic transducers are respectively connected with the calculator circuit.
Furthermore, the temperature measuring seat is close to the second mounting seat and far away from the first mounting seat.
Furthermore, a temperature measuring sleeve is arranged on the temperature measuring seat, a temperature sensor in the measuring pipeline is a first temperature sensor, and the first temperature sensor is arranged in the temperature measuring sleeve.
Further, the calculator includes: the display is positioned on the calculator, and the two temperature sensors and the two ultrasonic transducers are respectively connected with the junction box through circuits.
Furthermore, a calculator seat is arranged between the outside of the measuring pipeline, the water inlet end and the water outlet end, and the calculator is fixedly installed on the calculator seat.
Further, the acute angle between the axis of the first mounting seat and the axis of the measuring pipe is 45 degrees, and the acute angle between the axis of the second mounting seat and the axis of the measuring pipe is 45 degrees.
The utility model discloses in, the length of measuring tube is not fixed, and it is relevant with the degree of inclination of first mount pad and second mount pad, and it is "W" type to need to satisfy ultrasonic signal from entering into to the route of going out. When the acute angle between the axis of the first mounting seat and the axis of the measuring pipeline is 45 degrees and the acute angle between the axis of the second mounting seat and the axis of the measuring pipeline is 45 degrees, the length of the pipeline between the first mounting seat and the second mounting seat is 3-5 times of the length of the pipe diameter, and the length of the measuring pipeline needs to be more than 5 times of the length of the pipe diameter.
Compared with the prior art, the utility model has the advantages that the mounting seat for mounting two ultrasonic transducers is designed obliquely, the reflecting plate is directly placed in the measuring pipeline, the path of the ultrasonic signal is W-shaped, the sound wave propagation distance is longer, and the measuring precision is high; the inclined transmitting station and receiving station are not required to be arranged in the measuring pipeline, the water flow form in the measuring pipeline is stable, and the measuring accuracy of the heat meter is good.
Drawings
Fig. 1 is a schematic diagram of a W-shaped ultrasonic heat meter according to the present invention;
FIG. 2 is a schematic view of the calculator mounted on the measurement duct;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the installation of the first temperature sensor at the temperature measuring seat;
fig. 6 is a schematic diagram of the circuit connection according to the present invention.
Description of reference numerals:
1. the device comprises a measuring pipeline, 2, a calculator, 3, a first temperature sensor, 4, a first ultrasonic transducer, 5, a water inlet end reflecting plate, 6, a middle reflecting plate, 7, a water outlet end reflecting plate, 8, a second ultrasonic transducer, 9, a second temperature sensor, 101, a water inlet end, 102, a water outlet end, 103, a first mounting seat, 104, a second mounting seat, 105, a temperature measuring seat, 106, a calculator seat, 201, a display, 202, a junction box, 301 and a temperature measuring sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes should fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and the achievable purposes of the present invention.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b): with reference to fig. 1-6, a W-shaped ultrasonic heat meter includes: the device comprises a measuring pipeline 1, a calculator 2, a first temperature sensor 3, a first ultrasonic transducer 4, a water inlet end reflecting plate 5, a middle reflecting plate 6, a water outlet end reflecting plate 7, a second ultrasonic transducer 8 and a second temperature sensor 9, wherein the calculator 2, the first temperature sensor 3, the first ultrasonic transducer 4 and the second ultrasonic transducer 8 are arranged on the measuring pipeline 1, the water inlet end reflecting plate 5, the middle reflecting plate 6 and the water outlet end reflecting plate 7 are arranged on the inner wall of the measuring pipeline 1, the measuring pipeline 1 is arranged in an ascending pipe or a descending pipe, the second temperature sensor 9 is arranged in the descending pipe or the ascending pipe (not shown in the figure), the first temperature sensor 3, the first ultrasonic transducer 4, the second ultrasonic transducer 8 and the second temperature sensor 9 are respectively in circuit connection with the calculator 2,
the two ends of the measuring pipeline 1 along the axial direction are respectively provided with a water inlet end 101 and a water outlet end 102, a pipe section between the water inlet end 101 and the water outlet end 102 is provided with an inclined first mounting seat 103, an inclined second mounting seat 104 and a temperature measuring seat 105, the first mounting seat 103, the second mounting seat 104 and the temperature measuring seat 105 are communicated with an inner cavity of the measuring pipeline 1, the first mounting seat 103 and the second mounting seat 104 are symmetrically distributed by taking the radial line of the measuring pipeline 1 as a symmetry axis, the temperature measuring seat 105 is close to the second mounting seat 104 and far away from the first mounting seat 103,
the first ultrasonic transducer 4 is arranged on the first mounting seat 103, the second ultrasonic transducer 8 is arranged in the second mounting seat 104, the temperature measuring sleeve 301 is arranged on the temperature measuring seat 105, the first temperature sensor 3 is arranged in the temperature measuring sleeve 301, the temperature measuring probe is positioned in the inner cavity of the measuring pipeline 1,
the water inlet end reflecting plate 5 and the water outlet end reflecting plate 7 are arranged on the inner wall of the bottom of the measuring pipeline 1, the middle reflecting plate 6 is arranged on the inner wall of the top, the water inlet end reflecting plate 5 is arranged on the axis of the first mounting seat 103, the water outlet end reflecting plate 7 is arranged on the axis of the second mounting seat 104, the middle reflecting plate 6 is positioned between the water inlet end reflecting plate 5 and the water outlet end reflecting plate 7, an ultrasonic signal sent by the first ultrasonic transducer 4 is received by the second ultrasonic transducer 8 through a W-shaped path, and an ultrasonic signal sent by the second ultrasonic transducer 8 is received by the first ultrasonic transducer 4 through the W-shaped path.
The calculator 2 includes: the display 201 is located on the upper face of the calculator 2, and the first temperature sensor 3, the first ultrasonic transducer 4, the second ultrasonic transducer 8 and the second temperature sensor 9 are respectively connected with a wiring terminal circuit on the junction box 202.
A calculator base 106 is arranged outside the measuring pipeline 1 and between the water inlet end 101 and the water outlet end 102, and the calculator 2 is fixedly installed on the calculator base 106.
In the present invention, the length of the measuring pipe 1 is not fixed, and it is necessary to satisfy the requirement that the path from the entrance to the exit of the ultrasonic signal is "W" type in relation to the inclination degree of the first mounting seat 103 and the second mounting seat 104. When the acute angle between the axis of the first mounting seat 103 and the axis of the measurement pipeline 1 is 45 degrees, and the acute angle between the axis of the second mounting seat 104 and the axis of the measurement pipeline 1 is 45 degrees, the length of the pipeline between the first mounting seat 103 and the second mounting seat 104 is 3-5 times of the length of the pipe diameter, and the length of the measurement pipeline 1 needs to be more than 5 times of the length of the pipe diameter.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (6)
1. A W-type ultrasonic heat meter comprising: the device comprises a measuring pipeline (1), a calculator (2), two temperature sensors and two ultrasonic transducers, wherein the calculator (2), the two ultrasonic transducers and one of the temperature sensors are arranged on the measuring pipeline (1), the measuring pipeline (1) is arranged in an ascending pipe or a descending pipe, the other temperature sensor is arranged in the descending pipe or the ascending pipe,
the two ends of the measuring pipeline (1) along the axial direction are respectively provided with a water inlet end (101) and a water outlet end (102), a pipe section between the water inlet end (101) and the water outlet end (102) is provided with an inclined first mounting seat (103), an inclined second mounting seat (104) and a temperature measuring seat (105), the first mounting seat (103), the second mounting seat (104) and the temperature measuring seat (105) are communicated with an inner cavity of the measuring pipeline (1), the first mounting seat (103) and the second mounting seat (104) are symmetrically distributed by taking the radial line of the measuring pipeline (1) as a symmetry axis,
one ultrasonic transducer is arranged on a first mounting seat (103), the other ultrasonic transducer is arranged in a second mounting seat (104), a temperature sensor is arranged in a temperature measuring seat (105), a temperature measuring probe is positioned in the inner cavity of the measuring pipeline (1),
further comprising: a water inlet end reflecting plate (5), a middle reflecting plate (6) and a water outlet end reflecting plate (7), wherein the water inlet end reflecting plate (5) and the water outlet end reflecting plate (7) are installed on the inner wall of the bottom of the measuring pipeline (1), the middle reflecting plate (6) is installed on the inner wall of the top, the water inlet end reflecting plate (5) is arranged on the axis of the first installation seat (103), the water outlet end reflecting plate (7) is arranged on the axis of the second installation seat (104), the middle reflecting plate (6) is arranged between the water inlet end reflecting plate (5) and the water outlet end reflecting plate (7), an ultrasonic signal sent by one ultrasonic transducer is received by the other ultrasonic transducer in a W-shaped path formed by the reflection of the water inlet end reflecting plate (5), the middle reflecting plate (6) and the water outlet end reflecting plate (7),
the two temperature sensors and the two ultrasonic transducers are respectively connected with the circuit of the calculator (2).
2. A W-type ultrasonic calorimeter according to claim 1, wherein the temperature measuring base (105) is close to the second mounting base (104) and remote from the first mounting base (103).
3. A W-type ultrasonic calorimeter according to claim 1 or 2, wherein a temperature measuring sleeve (301) is mounted on the temperature measuring base (105), the temperature sensor in the measuring pipe (1) is the first temperature sensor (3), and the first temperature sensor (3) is mounted in the temperature measuring sleeve (301).
4. A W-type ultrasonic calorimeter according to claim 1, wherein the calculator (2) comprises: the display (201) is positioned on the calculator (2), and the two temperature sensors and the two ultrasonic transducers are respectively connected with the circuit of the junction box (202).
5. A W-type ultrasonic calorimeter according to claim 1, wherein a calculator base (106) is provided outside the measuring pipe (1) between the water inlet end (101) and the water outlet end (102), and the calculator (2) is fixedly mounted on the calculator base (106).
6. A W-type ultrasonic calorimeter according to claim 1, wherein the acute angle between the axis of the first mounting base (103) and the axis of the measurement pipe (1) is 45 °, and the acute angle between the axis of the second mounting base (104) and the axis of the measurement pipe (1) is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876713.5U CN211783978U (en) | 2020-05-22 | 2020-05-22 | W-shaped ultrasonic heat meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876713.5U CN211783978U (en) | 2020-05-22 | 2020-05-22 | W-shaped ultrasonic heat meter |
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| CN211783978U true CN211783978U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020876713.5U Active CN211783978U (en) | 2020-05-22 | 2020-05-22 | W-shaped ultrasonic heat meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202657A (en) * | 2023-03-06 | 2023-06-02 | 青岛乾程科技股份有限公司 | Ultrasonic heat meter |
| WO2025000678A1 (en) * | 2023-06-28 | 2025-01-02 | 呼伦贝尔安泰热电有限责任公司东海拉尔发电厂 | Ultrasonic heat meter not requiring shutoff during maintenance |
-
2020
- 2020-05-22 CN CN202020876713.5U patent/CN211783978U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202657A (en) * | 2023-03-06 | 2023-06-02 | 青岛乾程科技股份有限公司 | Ultrasonic heat meter |
| CN116202657B (en) * | 2023-03-06 | 2024-05-17 | 青岛乾程科技股份有限公司 | Ultrasonic heat meter |
| WO2025000678A1 (en) * | 2023-06-28 | 2025-01-02 | 呼伦贝尔安泰热电有限责任公司东海拉尔发电厂 | Ultrasonic heat meter not requiring shutoff during maintenance |
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