CN211553146U

CN211553146U - Ultrasonic heat meter

Info

Publication number: CN211553146U
Application number: CN202020198381.XU
Authority: CN
Inventors: 苑广明
Original assignee: Beijing Hanmei Aoke Energy Saving Equipment Co ltd
Current assignee: Beijing Hanmei Aoke Energy Saving Equipment Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-09-22
Anticipated expiration: 2030-02-24

Abstract

The utility model discloses an ultrasonic heat meter, including calorimeter main part, pipeline section, the inlet of pipeline section front end is provided with the current stabilizer, the both sides of pipeline section are fixed respectively on the flange that the symmetry set up, the middle top surface of pipeline section is provided with the slotted hole, be provided with the transducer group in the slotted hole, the transducer group includes the refractor, the last welding of refractor has the transducer fixed plate, the both ends of transducer fixed plate are provided with transducer two, transducer one, be provided with the annular groove on the transducer fixed plate, be provided with the sealing ring on the annular groove, the upper end threaded connection of transducer fixed plate has outer fixed plate, be threaded connection between transducer group, the pipeline section; and an integrator and a temperature detector are arranged on the transducer group. The utility model provides an ultrasonic wave calorimeter, simple structure conveniently looks over the calorific value in the use, and ultrasonic wave calorimeter main part and transducer group dismantle conveniently, are convenient for maintain, decontaminate and detect.

Description

Ultrasonic heat meter

Technical Field

The utility model relates to a fluid measurement technical field particularly, relates to an ultrasonic wave calorimeter.

Background

The ultrasonic heat meter is an instrument for calculating heat quantity, and is characterized by that a pair of temperature sensors are respectively mounted on the up-running pipe and down-running pipe through which the heat-carrying fluid is passed, and a flowmeter is mounted on the fluid inlet or return pipe (the positions where the flowmeters are mounted are different, and the final measurement result is also different), and the flowmeter can give out pulse signal which is directly proportional to flow rate, and a pair of temperature sensors can give out analog signal for indicating temperature, and an integrating instrument can be used for collecting the signals from flow rate and temperature sensors, and can utilize calculation formula to calculate heat quantity obtained by heat exchange system. Ultrasonic heat meters are high-tech products including mechanical, electronic and information technologies, and are currently used successfully in many fields.

An ultrasonic heat meter is a meter that measures flow by an ultrasonic method and can display the energy of heat released or absorbed by water flowing through a heat exchange system. The method measures physical quantity through two sensors, measures the flow of a heat carrier and the temperatures of an inlet and an outlet, and obtains a heat value through compensation and integral calculation of density and enthalpy values.

At present, in the using process, the existing ultrasonic heat meter has low actual measurement resolution because the retention time of ultrasonic waves in fluid is too short; in addition, due to the problem of the integral structure, the heat meter is not easy to disassemble for maintenance.

SUMMERY OF THE UTILITY MODEL

Problem to among the correlation technique, the utility model provides an ultrasonic wave calorimeter solves the problem that current ultrasonic wave calorimeter actual measurement resolution is low, be difficult for maintaining.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows:

designing an ultrasonic heat meter, which comprises a heat meter main body, wherein a through hole is formed in the side face of the heat meter main body, a pipe section is arranged on the through hole, a flow stabilizer is arranged on a liquid inlet at the front end of the pipe section, two sides of the pipe section are respectively fixed on flanges which are symmetrically arranged, a slotted hole is formed in the top surface of the middle of the pipe section, a transducer group is arranged in the slotted hole, the transducer group comprises a refractor, a transducer fixing plate is welded at the upper end of the refractor, a transducer II and a transducer I are arranged at the left end and the right end of the transducer fixing plate, an annular groove is formed in the edge of the transducer fixing plate, a sealing ring is arranged on the annular groove, an outer fixing plate is in threaded connection with the upper end of the transducer fixing plate, and; the energy converter is characterized in that a support is arranged on the energy converter group, an integrator is arranged on the support and connected with a temperature detector, and the temperature detector is arranged on the inner side of the energy converter group.

Furthermore, the pipe section and the transducer group are detachably connected.

Further, the outer fixing plate and the transducer fixing plate are fixedly connected through an outer fixing plate bolt, and the outer fixing plate bolt is arranged in the annular groove of the transducer fixing plate.

Furthermore, the transducer group and the pipe section are fixedly connected through a transducer group bolt.

Further, the inner surface of the transducer group is provided with a transducer interface.

Further, the refractor is of a rectangular structure.

Furthermore, the refractor is matched with the geometric dimension of the slotted hole on the pipe section.

Furthermore, the periphery of the slotted hole on the pipe section is uniformly provided with small holes.

The utility model has the advantages that: the ultrasonic heat meter has the advantages of simple structure, high measurement precision, suitability for harsh working conditions, convenient checking of heat value in the use process, convenient disassembly of the ultrasonic heat meter main body and the transducer group, and convenient maintenance, dirt removal and detection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an ultrasonic heat meter according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an ultrasonic heat meter according to an embodiment of the present invention;

fig. 3 is a plan view of an ultrasonic heat meter according to an embodiment of the present invention;

fig. 4 is a side view of an ultrasonic heat meter according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the construction of the transducer array of FIG. 1;

FIG. 6 is a front view of the transducer array of FIG. 1, wherein the signal is emitted by a, reflected by b, c, d, and finally received at point e, with an overall measured distance ab + bc + cd + de;

FIG. 7 is a side view of the transducer array of FIG. 1, wherein the signal is emitted by a, reflected by b, c, d, and finally received at point e, with an overall measured distance ab + bc + cd + de;

in the figure: 1. a calorimeter body; 2. a pipe section; 3. a current stabilizer; 4. a group of transducers; 5. a flange; 6. a refractor; 7. a first transducer; 8. a transducer fixing plate; 9. an outer fixing plate; 10. a seal ring; 11. an outer fixing plate bolt; 12. a transducer group bolt; 13. and a second transducer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1, an ultrasonic heat meter according to an embodiment of the present invention includes a heat meter main body 1, a through hole is provided on a side surface of the heat meter main body 1, a pipe section 2 is provided on the through hole, a current stabilizer 3 is provided on a liquid inlet at a front end of the pipe section 2, two sides of the pipe section 2 are respectively fixed on flanges 5 symmetrically provided, a slot is provided on a middle top surface of the pipe section 2, a transducer group 4 is provided in the slot, the transducer group 4 includes a refractor 6, a transducer fixing plate 8 is welded on an upper end of the refractor 6, a second transducer 13 and a first transducer 7 are provided at left and right ends of the transducer fixing plate 8, a ring installation groove is provided at an edge of the transducer fixing plate 8, a sealing ring 10 is provided on the ring installation groove, an outer fixing plate 9 is screwed on an upper end of the transducer fixing plate 8, the transducer group 4 and the pipe section 2 are in threaded connection; the energy converter is characterized in that a support is arranged on the energy converter group 4, an integrator is arranged on the support and connected with a temperature detector, and the temperature detector is arranged on the inner side of the energy converter group 4.

As shown in fig. 1-2, in the present embodiment, the pipe segment 2 and the transducer group 4 are detachably connected, so that the disassembly and maintenance are convenient.

As shown in fig. 2, in the present embodiment, the outer fixing plate 9 and the transducer fixing plate 8 are fixedly connected by an outer fixing plate bolt 11, and the outer fixing plate bolt 11 is disposed in the annular groove of the transducer fixing plate 8, so as to enhance the sealing property.

As shown in fig. 2-4, in the present embodiment, the transducer group 4 and the spool piece 2 are fixedly connected by the transducer group bolts 12, so that the stability of the whole structure can be increased.

As shown in fig. 3-5, in the present embodiment, the transducer interface is disposed on the inner surface of the transducer group 4, so that an external device can be conveniently connected, and the measurement accuracy is increased.

As shown in fig. 6-7, in the present embodiment, the refractor 6 has a rectangular structure, so that it can be easily mounted and dismounted.

As shown in fig. 1-2, in this embodiment, the refractor 6 is adapted to the geometric size of the slot on the pipe section 2, so as to enhance the sealing performance.

As shown in fig. 1-2, in this embodiment, the slot holes on the pipe section 2 are uniformly provided with small holes at the peripheral edge, so as to facilitate the integral connection and fixation.

In order to facilitate further understanding of the above technical solutions, the working principle thereof will now be explained:

as shown in fig. 1-7, when in use, the heat meter main body 1 is arranged on a pipeline to be measured through the flange 5, when fluid flows through the pipe section 2, an ultrasonic signal of one transducer I7 is continuously radiated through the refractor 6 and then transmitted to the other transducer II 13, the ultrasonic signal is transmitted in a long distance on different layers of the fluid, so that the signals collected by the transducer I7 and the transducer II 13 are more accurate, the temperature difference is measured and transmitted to the integrator of the heat meter for calculation processing through the temperature detector, and the heat value can be displayed on the display screen of the ultrasonic heat meter main body, the utility model has the advantages of simple structure, practicality and convenience, and the transducer group 4 can be directly detached for cleaning when the ultrasonic heat meter has scales, stains and blockage, and the transducer group 4 can be directly replaced if the ultrasonic heat meter has a fault, the advantages in daily maintenance and rush repair are obvious. The refractor 6 on the transducer group 4 can greatly prolong the measurement time of the ultrasonic signals in the pipe section 2, and provides good accurate measurement. The liquid inlet end of the ultrasonic heat meter adopts a design of adding a flow stabilizer 3 and necking down, so that the requirement of a front-end straight pipe section 2 is greatly reduced, and stable measurement can be realized in the environment without the straight pipe section 2; the transducer fixing plate 8 fixes the transducer group 4 through an outer fixing plate bolt 11, and the outer fixing plate 9 fixes and seals the transducer group 4 through an energy transducer group bolt 12 and a sealing ring 10.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultrasonic heat meter comprises a heat meter main body (1) and is characterized in that a through hole is formed in the side face of the heat meter main body (1), a pipe section (2) is arranged on the through hole, a flow stabilizer (3) is arranged at a liquid inlet at the front end of the pipe section (2), two ends of the pipe section (2) are fixedly arranged on a flange (5), a slotted hole is formed in the top surface of the middle of the pipe section (2), a transducer group (4) is arranged in the slotted hole, the transducer group (4) comprises a refractor (6), a transducer fixing plate (8) is welded at the upper end of the refractor (6), a transducer II (13) and a transducer I (7) are arranged at the left end and the right end of the transducer fixing plate (8), a ring installation groove is formed in the edge of the transducer fixing plate (8), and a sealing ring (10) is arranged on the ring installation, the upper end of the transducer fixing plate (8) is in threaded connection with an outer fixing plate (9), and the transducer group (4) and the pipe section (2) are in threaded connection; the energy converter is characterized in that a support is arranged on the energy converter group (4), an integrator is arranged on the support and connected with a temperature detector, and the temperature detector is arranged on the inner side of the energy converter group (4).

2. An ultrasonic heat meter according to claim 1, wherein the pipe section (2) and the transducer group (4) are detachably connected.

3. An ultrasonic heat meter according to claim 1, wherein the outer fixing plate (9) and the transducer fixing plate (8) are fixedly connected through an outer fixing plate bolt (11), and the outer fixing plate bolt (11) is arranged in a ring-mounting groove of the transducer fixing plate (8).

4. An ultrasonic heat meter according to claim 1, wherein the transducer group (4) and the pipe section (2) are fixedly connected through a transducer group bolt (12).

5. An ultrasonic heat meter according to claim 1, wherein the inner surface of the transducer group (4) is provided with transducer interfaces.

6. An ultrasonic heat meter according to claim 1, characterized in that the refractor (6) is of a rectangular configuration.

7. An ultrasonic heat meter according to claim 1, characterized in that the refractor (6) is adapted to the geometrical dimensions of the slotted holes in the pipe section (2).

8. An ultrasonic heat meter according to claim 1, characterized in that the circumference of the slotted hole on the pipe section (2) is uniformly provided with small holes.