Novel ultrasonic flowmeter

Abstract

A novel ultrasonic flowmeter comprises a water meter body, a transducer installation part is arranged on the water meter body, a transducer assembly is arranged in the transducer installation part, the transducer installation part comprises a shell, and two first through holes used for installing the transducer assembly are formed in the shell. Two second through holes matched with the first through holes are formed in the corresponding positions of the water meter body; the connecting line of the two transducer assemblies is parallel to the central axis of the water meter body, the central axis of each transducer assembly is perpendicular to and intersects with the central axis of the water meter body, machining is more convenient, the machining cost is lower, and weld joints are more orderly and attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of instrumentation equipment, and more specifically to a novel ultrasonic flow meter. Background Art

[0002] Ultrasonic water meter is a fully electronic water meter that uses the ultrasonic time difference principle and is manufactured using industrial-grade electronic components.

[0003] In the related art, the Chinese utility model patent with application number 202223523740.2 discloses an ultrasonic water meter connection structure, including a water meter body, a transducer mounting hole is provided on the water meter body, an ultrasonic transducer assembly is provided in the transducer mounting hole, a limit assembly for limiting the rotation of the ultrasonic transducer assembly is provided in the transducer mounting hole, and a locking block for fixing the ultrasonic transducer assembly is threadedly connected in the transducer mounting hole.

[0004] In view of the above-mentioned related technologies, the inventor believes that the installation position of the transducer installation hole forms a certain angle with the water meter body. Due to the limitations of existing robot welding technology, the weld is not beautiful enough, and the entire structure is much larger and heavier. The transducer installation structure also needs to be made separately, which has a higher processing cost. At present, when used in the irrigation field, since the water flow is in a turbulent state, the requirements for accuracy are not high, but the requirements for cost and volume are relatively high. Utility Model Content

[0005] One advantage of the present invention is that it provides a new ultrasonic flow meter. In the prior art, the transducer mounting structure is large in size and is a split structure. The present application integrates various structures together by providing a transducer mounting part, and then welds the shell to the water meter body by welding. The processing is more convenient, the processing cost is lower, and the weld is neater and more beautiful.

[0006] One advantage of the utility model is that it provides a novel ultrasonic flow meter, in which the connection line of the two transducers is in the same direction as the water flow, and a part of the structure of the transducer is located inside the water meter body, so the structure exposed to the outside is more compact and occupies a smaller volume.

[0007] One advantage of the utility model is that it provides a new ultrasonic flow meter. The transducer can be vertically inserted into the water meter body, and the two transducers can be directly arranged opposite to each other, so single-head detection, double-head detection and even multi-head detection can be switched, which is more convenient to use and is universal for single, double and multiple channels.

[0008] In order to achieve at least one of the above advantages of the utility model, the utility model provides a new ultrasonic flow meter, including a water meter body, a transducer mounting part is provided on the water meter body, a transducer assembly is provided in the transducer mounting part, the transducer mounting part includes a shell, two first through holes for installing the transducer assembly are provided inside the shell, and two second through holes adapted to the first through holes are provided at corresponding positions of the water meter body; the connecting line of the two transducer assemblies is parallel to the central axis of the water meter body, and the central axis of the transducer assembly is perpendicular to and intersects with the central axis of the water meter body.

[0009] According to one embodiment of the utility model, the transducer mounting part also includes a mounting hole, which is coaxial with and connected to the first through hole, and an internal thread is provided on the inner side surface of the mounting hole. The transducer mounting part is also provided with at least one limiting hole, and one end of the limiting hole is connected to the mounting hole.

[0010] According to an embodiment of the utility model, the transducer assembly includes a transducer and a limit assembly. The transducer is connected to the transducer mounting portion in a plug-in manner, and an end portion thereof is located inside the water meter body.

[0011] According to an embodiment of the utility model, the limiting assembly includes limiting columns whose number is the same as the limiting holes, and the limiting columns are installed inside the limiting holes in a plug-in manner.

[0012] According to an embodiment of the utility model, a sealing gasket and a sealing cover for sealing the transducer assembly are arranged in the mounting hole, a sealing through hole for the limiting column to pass through is opened on the sealing gasket, and an external thread engaged with the internal thread is arranged on the outer surface of the sealing cover.

[0013] According to an embodiment of the utility model, the water meter body includes a tube wall, the interior of the tube wall is a flow channel, the second through hole is on the tube wall, and a sealing ring is arranged between the transducer and the tube wall.

[0014] According to an embodiment of the present utility model, the transducer mounting portion and the water meter body are connected by welding.

[0015] According to an embodiment of the utility model, flanges are fixedly provided at both ends of the water meter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a side view of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 This is a perspective structural diagram of the utility model;

[0019] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0020] In the accompanying drawings: 1. water meter body, 2. flange, 3. transducer mounting part, 4. transducer assembly, 11. pipe wall, 31. first through hole, 32. limiting hole, 33. mounting hole, 34. internal thread. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the present invention more clear, the following will be combined with the appendix of the present invention. Figure 1 ~Attached Figure 4 , the utility model is described in more detail.

[0022] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0023] Those skilled in the art should understand that, in the disclosure of the specification, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0024] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0025] The utility model provides a novel ultrasonic flow meter, including a water meter body 1, a transducer mounting portion 3 is provided on the water meter body 1, a transducer assembly 4 is provided in the transducer mounting portion 3, the transducer mounting portion 3 includes a shell, two first through holes 31 for mounting the transducer assembly 4 are provided inside the shell, and two second through holes adapted to the first through holes 31 are provided at corresponding positions of the water meter body 1; the connecting line of the two transducer assemblies 4 is parallel to the central axis of the water meter body 1, and the central axis of the transducer assembly 4 is perpendicular to and intersects with the central axis of the water meter body 1; the transducer mounting portion 3 also includes a mounting hole 33, the mounting hole 33 is coaxial with and connected to the first through hole 31, an internal thread 34 is provided on the inner side surface of the mounting hole 33, and at least one limiting hole 32 is also provided on the transducer mounting portion 3, and the limiting hole One end of 32 is connected to the mounting hole 33; the transducer assembly 4 includes a transducer and a limit assembly, the transducer is connected to the transducer mounting part 3 in a plug-in manner, and its end is located inside the water meter body 1; the limit assembly includes limit columns with the same number as the limit holes 32, and the limit columns are installed in the limit holes 32 in a plug-in manner; a sealing gasket and a sealing cover for sealing the transducer assembly 4 are provided in the mounting hole 33, a sealing through hole for the limit column to pass through is provided on the sealing gasket, and an external thread engaged with the internal thread 34 is provided on the outer surface of the sealing cover; the water meter body 1 includes a pipe wall 11, the interior of the pipe wall 11 is a flow channel, the second through hole is on the pipe wall 11, and a sealing ring is provided between the transducer and the pipe wall 11; the transducer mounting part 3 and the water meter body 1 are connected by welding; flanges 2 are fixedly provided at both ends of the water meter body 1.

[0026] Embodiment 1 of the present utility model is as follows:

[0027] A novel ultrasonic flow meter includes a water meter body 1, the water meter body 1 includes a tube wall 11, the interior of the tube wall 11 is a flow channel, a transducer mounting portion 3 is provided on the water meter body 1, and a transducer assembly 4 is provided in the transducer mounting portion 3. In the prior art, the transducer mounting structure is large in size and is a split structure. The present application integrates the various structures together by providing a transducer mounting portion 3, and then welds the shell to the water meter body 1 by welding, which makes processing more convenient and has lower processing costs.

[0028] The transducer mounting portion 3 includes a shell, and two first through holes 31 for mounting the transducer assembly 4 are arranged inside the shell, and two second through holes adapted to the first through holes 31 are arranged at corresponding positions of the pipe wall 11. The transducer is installed in the first through hole 31 and the second through hole, and its detection end extends into the flow channel of the water meter body 1. The structure exposed to the outside is more compact and occupies less space. A sealing ring is arranged between the transducer and the pipe wall 11, and the fluid will not enter the gap between the transducer and the first through hole 31 or the second through hole. Seepage, the connecting line of the two transducer assemblies 4 is parallel to the central axis of the water meter body 1, and the central axis of the transducer assembly 4 is perpendicular to and intersects with the central axis of the water meter body 1, thereby ensuring the uniqueness of the installation position. The limiting assembly includes limiting columns with the same number as the limiting holes 32, and the limiting columns are installed in the limiting holes 32 in a plug-in manner. In this embodiment, the limiting assembly includes two groups of limiting columns and limiting holes 32, thereby ensuring that the angles of the two transducers will not deviate, and the transmitters and receivers of the two can be made relative during installation.

[0029] The transducer can be vertically inserted into the water meter body 1, and the two transducers can be directly arranged opposite to each other, so single-head detection, double-head detection and even multi-head detection can be switched, which is more convenient to use and is universal for single, double and multiple channels.

[0030] Due to the application in irrigation, the water flow is usually in a turbulent state, and the accuracy requirement is not high. At the same time, the diameter of the pipe is large, usually greater than 80 mm, while the diameter of the transducer is usually less than 15 mm, so the influence of the transducer on the flow velocity inside the flow channel can be ignored.

[0031] Furthermore, the cross-section of the transducer in the present application can be set to a streamlined structure to further reduce the impact on the water flow velocity.

[0032] According to an embodiment of the utility model, the transducer mounting portion 3 also includes a mounting hole 33, which is coaxial and connected to the first through hole 31, and an internal thread 34 is provided on the inner side surface of the mounting hole 33. A sealing gasket and a sealing cover for sealing the transducer assembly 4 are provided in the mounting hole 33. A sealing through hole for a limiting column to pass through is provided on the sealing gasket, and the sealing gasket is located between the transducer and the housing. An external thread engaged with the internal thread 34 is provided on the outer side surface of the sealing cover. The sealing cover is installed on the housing through the engagement of the internal thread 34 and the external thread. When installed in place, the sealing cover can abut against the end of the transducer to ensure that the transducer will not loosen.

[0033] The transducer mounting part 3 is connected to the water meter body 1 by welding. Since the extension direction of the shell is the same as the extension direction of the pipe wall 11, the structure is more regular, so the welding difficulty is lower. A simple welding robot can be used for rapid welding, the processing efficiency is higher, the welding quality is better, and the weld is neater and more beautiful.

[0034] According to an embodiment of the utility model, flanges 2 are fixedly provided at both ends of the water meter body 1, and are connected to the main pipeline via the flanges 2.

[0035] It should be noted that the terms "first, second and third" in the present invention are only used for descriptive purposes and do not indicate any order. They cannot be understood as indicating or implying relative importance. These terms can be interpreted as names.

[0036] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A novel ultrasonic flow meter, comprising a water meter body, a transducer mounting portion being provided on the water meter body, a transducer assembly being provided in the transducer mounting portion, characterized in that: The transducer mounting part includes a shell, two first through holes for mounting the transducer assembly are arranged inside the shell, and two second through holes adapted to the first through holes are arranged at corresponding positions of the water meter body; the connecting line of the two transducer assemblies is parallel to the central axis of the water meter body, and the central axis of the transducer assembly is perpendicular to and intersects with the central axis of the water meter body.

2. The novel ultrasonic flowmeter according to claim 1 is characterized in that: The transducer mounting portion also includes a mounting hole, which is coaxial with and connected to the first through hole, and an internal thread is provided on the inner side surface of the mounting hole. The transducer mounting portion is also provided with at least one limiting hole, and one end of the limiting hole is connected to the mounting hole.

3. The novel ultrasonic flowmeter according to claim 2 is characterized in that: The transducer assembly comprises a transducer and a limit assembly. The transducer is connected to the transducer mounting portion in a plug-in manner, and an end portion of the transducer is located inside the water meter body.

4. The novel ultrasonic flowmeter according to claim 3 is characterized in that: The limiting assembly includes limiting columns having the same number as the limiting holes, and the limiting columns are installed inside the limiting holes in a plug-in manner.

5. The novel ultrasonic flowmeter according to claim 4 is characterized in that: The mounting hole is provided with a sealing gasket and a sealing cover for sealing the transducer assembly. The sealing gasket is provided with a sealing through hole for the limiting column to pass through. The outer surface of the sealing cover is provided with an external thread engaged with the internal thread.

6. The novel ultrasonic flowmeter according to claim 3 is characterized in that: The water meter body comprises a tube wall, the interior of the tube wall is a flow channel, the second through hole is on the tube wall, and a sealing ring is arranged between the transducer and the tube wall.

7. The novel ultrasonic flowmeter according to claim 1 is characterized in that: The transducer mounting portion is connected to the water meter body by welding.

8. The novel ultrasonic flow meter according to claim 1 is characterized in that: Flanges are fixedly arranged at both ends of the water meter body.

Images