CN210513271U

CN210513271U - Low-loss ultrasonic water meter flow measuring device

Info

Publication number: CN210513271U
Application number: CN201920998529.5U
Authority: CN
Inventors: 姜傲
Original assignee: Taian Xinhaitai Sensor Co Ltd
Current assignee: Taian Xinhaitai Sensor Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-05-12
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a low-loss ultrasonic water meter flow measuring device, the utility model discloses a measure the pipeline section and set up two ultrasonic transducer on measuring the pipeline section, two ultrasonic transducer set up in the homonymy of measuring the pipeline section, two relative slants of ultrasonic transducer arrange, and two ultrasonic transducer's axial direction and the axial direction's of measuring the pipeline section contained angle be 45, one side of keeping away from ultrasonic transducer in the measurement pipeline section is provided with the ultrasonic reflector, the ultrasonic reflector plane is on a parallel with the axial direction of measuring the pipeline section, and the ultrasonic reflector plane is 45 with the axial direction's of ultrasonic transducer contained angle. The utility model discloses set up ultrasonic transducer slant 45 like this, set up ultrasonic transducer and can let the ultrasonic reflector set to the horizontality, ultrasonic reflector place plane is along the flow direction of rivers promptly, and is less to the resistance of rivers, reduces the power consumption to rivers.

Description

Low-loss ultrasonic water meter flow measuring device

Technical Field

The utility model relates to an ultrasonic water meter technical field, concretely relates to low-loss ultrasonic water meter flow measuring device.

Background

The ultrasonic water meter is a novel water meter which further integrates the flow of the outlet water by detecting the time difference generated by the change of the speed when the ultrasonic sound beam propagates in the downstream and the upstream in the water and analyzing and processing the flow to obtain the flow rate of the outlet water. The ultrasonic water meter has the advantages that the ultrasonic wave transmitting is realized by the changer, the transducer is a dual-purpose ultrasonic transducer for transmitting and receiving, namely, the dual functions of transmitting and receiving the ultrasonic wave are achieved thoroughly, and the ultrasonic water meter needs to be paired in use so as to ensure the stability of the transmitting and receiving signals and ensure the stability of the performance of the ultrasonic water meter.

In the prior art, a pipe section for mounting transducers of an ultrasonic water meter is a measuring pipe section, for the measuring pipe section with a thicker pipe diameter, two transducers are positioned at two symmetrical sides of the measuring pipe section and are obliquely mounted, the two transducers are positioned on the same straight line, and the transducers are mounted on the pipe wall, so that the flow velocity of water flow is not influenced; to the thinner measurement pipeline section of pipe diameter, if still adopt this subtend to put the mode of installation to one side, because the interval between two transducers is less, measured propagation time difference is less, cause measuring error easily, to the less measurement pipeline section of pipe diameter among the prior art, as shown in fig. 1, two transducer syntropy settings, correspondingly set up two ultrasonic reflector that are 45 degrees contained angles in surveying the pipeline section, the ultrasonic wave is received again after ultrasonic reflector reflects, increase the transmission route of ultrasonic wave, it is accurate to guarantee to measure, but set up ultrasonic reflector in surveying the pipeline and can block rivers and flow.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a low-loss ultrasonic water meter flow measuring device is provided.

In order to solve the problem, the utility model discloses a measure the pipeline section and set up two ultrasonic transducer on measuring the pipeline section, two ultrasonic transducer set up in the homonymy of measuring the pipeline section, two ultrasonic transducer relative slant arrange, and two ultrasonic transducer's axial direction and the contained angle of measuring the axial direction of pipeline section are 45, one side of keeping away from ultrasonic transducer in the measurement pipeline section is provided with the ultrasonic reflector, and the ultrasonic reflector is located two ultrasonic transducer's middle part, ultrasonic reflector place plane is on a parallel with the axial direction of measuring the pipeline section, and the ultrasonic reflector place plane is 45 with ultrasonic transducer's axial direction's contained angle, the ultrasonic wave of one of them ultrasonic transducer transmission is received by another ultrasonic transducer after the ultrasonic reflector reflection.

As optimizing, measure the pipe wall of pipeline section on be provided with the window that is used for installing ultrasonic reflector, ultrasonic reflector passes through the window apron and sets up in measuring the pipeline section, the window apron be with measure the outer wall assorted arc of pipeline section, the concave side of window apron is provided with the spout that is used for grafting ultrasonic reflector, ultrasonic reflector slide and set up in the spout of window apron, window apron and measure through connecting screw connection between the pipeline section.

As optimizing, measure the window on the pipeline section and be the shoulder hole, and this window is the rectangle, the edge of window apron match with the shoulder hole of window, and be provided with the sealing washer on the shoulder plane of window.

As optimizing, the measurement pipeline section on be provided with the installation sleeve that is used for installing ultrasonic transducer, installation sleeve fixed connection on measuring the pipeline section, and installation sleeve and survey pipeline section intercommunication, the telescopic length direction of installation and the length direction who measures the pipeline section are 45 contained angles, the telescopic medial extremity of installation is provided with spacing boss, be provided with the stupefied strip that sets up along its length direction on the telescopic inner wall of installation, be provided with on the ultrasonic transducer with the corresponding recess of stupefied strip, when ultrasonic transducer place with the installation sleeve in, ultrasonic transducer's recess card is on stupefied strip, ultrasonic transducer's medial extremity top is on spacing boss, ultrasonic transducer's outside end compresses tightly through the pipe nut.

The utility model has the advantages that: the utility model discloses set up ultrasonic transducer slant 45 like this, set up ultrasonic transducer and can let the ultrasonic reflector set to the horizontality, ultrasonic reflector place plane is along the flow direction of rivers promptly, and is less to the resistance of rivers, reduces the power consumption to rivers.

Drawings

FIG. 1 is a prior art schematic of the background art;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic bottom view of the present invention;

fig. 5 is a schematic longitudinal sectional view at the cover plate.

Wherein: 1. the device comprises a measuring pipe section, 2, an ultrasonic transducer, 3, an ultrasonic reflector, 4, a limiting boss, 5, an installation sleeve, 6, a fillet, 7, a pipe nut, 8, a window cover plate, 9, a sealing ring, 1-1 and a window.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 2, the low-loss ultrasonic water meter flow measuring device comprises a measuring pipe section 1 and two ultrasonic transducers 2 arranged on the measuring pipe section 1, wherein the two ultrasonic transducers 2 are arranged at the same side of the measuring pipe section 1, the two ultrasonic transducers 2 are arranged obliquely relatively, an included angle between the axial direction of the two ultrasonic transducers 2 and the axial direction of the measuring pipe section 1 is 45 degrees, an included angle between the axial direction of the two ultrasonic transducers 2 is 90 degrees, as shown in fig. 3, the two ultrasonic transducers 2 are arranged on the measuring pipe section 1 through a mounting sleeve 5, the mounting sleeve 5 is fixedly connected to the measuring pipe section 1, the mounting sleeve 5 is communicated with the measuring pipe section 1, the length direction of the mounting sleeve 5 and the length direction of the measuring pipe section 1 form an included angle of 45 degrees, and a limiting boss 4 is arranged at the inner side end of the mounting sleeve 5, be provided with on the inner wall of installing sleeve 5 along the stupefied 6 that its length direction set up, be provided with on the ultrasonic transducer 2 with the corresponding recess of stupefied 6, when ultrasonic transducer 2 placed with installing sleeve 5 in, the recess card of ultrasonic transducer 2 is on stupefied 6, the medial extremity of ultrasonic transducer 2 pushes up on spacing boss 4, the outside end of ultrasonic transducer 2 compresses tightly through pipe nut 7, the line of ultrasonic transducer 2 is worn out in pipe nut 7. An ultrasonic reflector 3 is arranged on one side, far away from the ultrasonic transducers, in the measuring pipe section 1, the ultrasonic reflector 3 is arranged in the middle of the two ultrasonic transducers 2, the plane where the ultrasonic reflector 3 is located is parallel to the axial direction of the measuring pipe section 1, the included angle between the plane where the ultrasonic reflector 3 is located and the axial direction of the ultrasonic transducers 2 is 45 degrees, and ultrasonic waves emitted by one of the ultrasonic transducers 2 are received by the other ultrasonic transducer 2 after being reflected by the ultrasonic reflector 3.

As shown in fig. 4 and fig. 5, a window 1-1 for installing an ultrasonic reflector 3 is disposed on a pipe wall of a measurement pipe section 1 according to this embodiment, the ultrasonic reflector 3 is disposed in the measurement pipe section 1 through a window cover plate 8, the window cover plate 8 is an arc plate matched with an outer wall of the measurement pipe section 1, a sliding groove for inserting the ultrasonic reflector 3 is disposed on a concave side of the window cover plate 8, the ultrasonic reflector 3 is slidably disposed in the sliding groove of the window cover plate 8, and the window cover plate 8 is connected with the measurement pipe section 1 through a connection screw. The window on the measuring pipe section 1 is a stepped hole, the window 1-1 is rectangular, the edge of the window cover plate 8 is matched with the stepped hole of the window 1-1, and a sealing ring 9 is arranged on the stepped plane of the window 1-1. When the ultrasonic reflector 3 is installed, the ultrasonic reflector 3 is inserted into the sliding groove of the window cover plate 8, when the window cover plate 8 is connected to the window 1-1, the measuring pipe section 1 is a round pipe, and the two sides connected with the window cover plate 8 naturally form a limiting boss of the ultrasonic reflector 3, so that the ultrasonic reflector 3 can be prevented from moving, and a limiting device does not need to be additionally arranged.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a low-loss ultrasonic water meter flow measuring device, includes the measurement pipeline section and sets up two ultrasonic transducer on the measurement pipeline section, its characterized in that: two ultrasonic transducer set up in the homonymy of measuring the pipeline section, two ultrasonic transducer relative slant arrange, and two ultrasonic transducer's axial direction is 45 with the contained angle of the axial direction of measuring the pipeline section, the one side of keeping away from ultrasonic transducer in the measurement pipeline section is provided with the ultrasonic reflector, and the ultrasonic reflector is located two ultrasonic transducer's middle part, the plane at ultrasonic reflector place is on a parallel with the axial direction of measuring the pipeline section, and the contained angle of the axial direction of ultrasonic reflector place plane and ultrasonic transducer is 45, the ultrasonic wave of one of them ultrasonic transducer transmission is received by another ultrasonic transducer after the ultrasonic reflector reflection.

2. A low-loss ultrasonic water meter flow measuring device as defined in claim 1, wherein: the pipe wall of the measuring pipe section is provided with a window for installing the ultrasonic reflector, the ultrasonic reflector is arranged in the measuring pipe section through a window cover plate, the window cover plate is an arc plate matched with the outer wall of the measuring pipe section, the concave side of the window cover plate is provided with a sliding groove for inserting the ultrasonic reflector, the ultrasonic reflector is arranged in the sliding groove of the window cover plate in a sliding mode, and the window cover plate is connected with the measuring pipe section through a connecting screw.

3. A low-loss ultrasonic water meter flow measuring device as defined in claim 2, wherein: the window on the measuring pipe section is a stepped hole and is rectangular, the edge of the window cover plate is matched with the stepped hole of the window, and a sealing ring is arranged on the stepped plane of the window.

4. A low-loss ultrasonic water meter flow measuring device as defined in claim 1, wherein: the measuring pipe section on be provided with the installation sleeve that is used for installing ultrasonic transducer, installation sleeve fixed connection on measuring the pipeline section, and installation sleeve and measuring pipe section intercommunication, the telescopic length direction of installation is 45 contained angles with the length direction who measures the pipeline section, the telescopic medial extremity of installation is provided with spacing boss, be provided with the stupefied strip that sets up along its length direction on the telescopic inner wall of installation, be provided with the recess corresponding with stupefied strip on the ultrasonic transducer, when ultrasonic transducer place with the installation sleeve in, ultrasonic transducer's recess card is on stupefied strip, ultrasonic transducer's medial extremity top is on spacing boss, ultrasonic transducer's outside end compresses tightly through the pipe nut.