Ultrasonic reflection type measuring pipeline

By adopting a split reflective sheet structure and a W-shaped ultrasonic propagation path in the ultrasonic water meter measurement pipeline, the problems of unstable water flow and large pressure loss caused by the space occupied by the reflective structure are solved, achieving higher measurement accuracy and production efficiency. and reduce costs.

CN222393609UActive Publication Date: 2025-01-24SHANDONG WEIWEI TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421326198.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-01-24
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

In the existing ultrasonic water meter measurement pipeline, the reflective structure occupies a large amount of space, resulting in unstable water flow field, large pressure loss, and the reflective sheet is easily wrapped by foreign objects, affecting the measurement accuracy.

Method used

Use the split -type ultrasonic water meter reflex sheet structure device, and install the inner wall of the water outlet, outlet and middle shrinkage tube in the water meter section to form a W -shaped ultrasonic transmission path, avoiding the foreign object around the reflector, and reducing the pressure loss of the water meter. Essence

Benefits of technology

It solves the problem of unstable water flow field and great pressure loss, avoids the accurate measurement caused by foreign bodies, improves the accuracy of ultrasonic measurement and production processing efficiency, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222393609U_ABST
    Figure CN222393609U_ABST
Patent Text Reader

Abstract

The utility model discloses an ultrasonic reflection type measuring pipeline which comprises a water meter pipe section, a second-stage reflector plate component device and two ultrasonic transducer assemblies are installed on the water meter pipe section, and a first-stage reflector plate component device and a third-stage reflector plate component device are installed in the water meter pipe section. And the second-stage reflector plate component device is fixed through the second-stage reflector plate fixing device. The ultrasonic water meter reflector plate structure device has the advantages that the ultrasonic water meter reflector plate structure device is of a split type and is installed on a water inlet and a water outlet of a water meter pipe section and the inner wall of a middle reducing pipe, meanwhile, the reducing pipe in the middle of a water meter pipe section body forms an ultrasonic measuring pipeline of the whole water meter, and the whole ultrasonic wave propagation path is in a W shape; the problems that the water flow field is unstable, the pressure loss of the water meter is large, and ultrasonic measurement is inaccurate due to the fact that the periphery of the reflector plate is easily wound by foreign matter are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to an ultrasonic reflection type measuring pipeline, belonging to the technical field of flow measurement. Background Art

[0002] At present, many ultrasonic water meter measurement pipelines on the market generally adopt a U-shaped reflection structure, and ultrasonic measurement is achieved inside the measuring pipe section by means of an embedded stainless steel insert-type reflector and a plastic reducer or a plastic bracket-type reflector and a reducer. Since the water meter pipe section is built with stainless steel inserts, plastic reducers or built-in plastic brackets (reflector and reducer are integrated), most of the space inside the entire water meter pipe section is blocked by the reflection structure component, resulting in unstable water flow field, relatively large pressure loss of the water meter, and the reflector is easily entangled by foreign objects (such as raw tape, hemp rope, etc.), resulting in inaccurate ultrasonic measurement.

[0003] In the prior art, there are still a small number of ultrasonic water meter measurement pipelines that adopt a counter-radiation structure (the working surfaces of the transducers are opposite) or an N-type reflection structure (the transducer is installed at an angle, and the sound waves are propagated through two reflection surfaces in the middle, or the transducer is installed vertically perpendicular to the water flow axis, but the transducer is installed on both sides of the pipe section, and the sound waves are propagated through two reflection surfaces in the middle). The interfaces of the transducers in the counter-radiation structure or the N-type reflection structure need to be placed on both sides of the pipe section, which has relatively high processing requirements for the water meter pipe section, low processing efficiency, and correspondingly high processing costs.

[0004] In addition, there are a very small number of ultrasonic water meter measurement pipelines that use a W-shaped reflection structure. Ultrasonic measurement is mainly achieved through a plastic integrated bracket (with built-in reflectors and reduced-diameter pipes) structure. The water meter pipe section body uses a straight-through non-reduced-diameter structure, which results in high production material costs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an ultrasonic reflection measuring pipeline in view of the above shortcomings. The ultrasonic water meter reflector structure device adopts a split type, which is respectively installed on the water inlet, water outlet and the inner wall of the middle reduced diameter pipe of the water meter pipe section. At the same time, the reduced diameter pipe in the middle of the water meter pipe section body is used to form the ultrasonic measuring pipeline of the entire water meter. The propagation path of the entire ultrasonic wave presents a W shape, which solves the problems of unstable water flow field, large pressure loss of the water meter, and inaccurate ultrasonic measurement caused by foreign objects easily entangled around the reflector.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] An ultrasonic reflection measuring pipeline comprises a water meter pipe section, on which a second-stage reflector component device and two ultrasonic transducer assemblies are installed, in which a first-stage reflector component device and a third-stage reflector component device are installed, and the second-stage reflector component device is fixed by a second-stage reflector fixing device.

[0008] Furthermore, the water meter pipe section is provided with a 1# installation interface and a 2# installation interface, the 1# installation interface and the 2# installation interface are used to install the ultrasonic transducer assembly, and the 1# installation interface and the 2# installation interface are located on the same side of the water meter pipe section.

[0009] Furthermore, a partial pipe section between the 1# installation interface and the 2# installation interface of the water meter pipe section is provided with a water meter pipe section reduced diameter section, a 3# installation interface is provided in the middle of the water meter pipe section reduced diameter section, the 3# installation interface is located between the 1# installation interface and the 2# installation interface, and is used to install a second-level reflective sheet fixing device, the second-level reflective sheet fixing device fixes the second-level reflective sheet component device to the inner cavity of the water meter pipe section reduced diameter section, and the second-level reflective sheet component device has a metal reflective surface.

[0010] Furthermore, the second-stage reflector fixing device includes a locking bolt and an O-ring. The second-stage reflector component device is located in the inner cavity of the reduced diameter section of the water meter pipe section. The locking bolt locks and positions the second-stage reflector component device through the 3# installation interface and is sealed by the O-ring.

[0011] Furthermore, a water inlet and a water outlet are respectively provided on both sides of the water meter pipe section, the 1# installation interface is close to the water inlet, and the 2# installation interface is close to the water outlet;

[0012] The first-stage reflective sheet component device and the third-stage reflective sheet component device penetrate through the water inlet and the water outlet respectively.

[0013] Furthermore, the ultrasonic transducer assembly includes a compression screw sleeve, an ultrasonic transducer, and a rubber sealing gasket. The rubber sealing gasket is sleeved on the ultrasonic transducer and then placed as a whole inside the 1# installation interface and the 2# installation interface of the water meter pipe section, and finally compressed and sealed by the compression screw sleeve.

[0014] Furthermore, the inner side slopes of the first-stage reflective sheet component device and the third-stage reflective sheet component device are placed face to face, and the inner side slopes of the first-stage reflective sheet component device and the third-stage reflective sheet component device are both provided with metal reflective surfaces.

[0015] Furthermore, a through hole is provided above the metal reflective surface, and the two through holes are respectively located on the same axis as the 1# installation interface and the 2# installation interface of the water meter pipe section.

[0016] Furthermore, both the first-stage reflector component device and the third-stage reflector component device are provided with bosses, and the two bosses of the first-stage reflector component device and the two bosses of the third-stage reflector component device are symmetrically placed relative to the central axis of the pipe section, and are contacted and matched with the second group of guide grooves through the first group of guide grooves, and the directional consistency of the reflector component devices is ensured.

[0017] Furthermore, the first group of guide grooves and the second group of guide grooves are respectively arranged inside the water inlet and outlet ends of the water meter pipe section and are symmetrically placed relative to the central axis of the pipe section. At the same time, there are limit platforms inside the water inlet and outlet, and they are assembled to the specified position through the limit platforms.

[0018] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0019] 1. The ultrasonic water meter reflector structure device adopts a split type, which is installed at the water inlet, water outlet and the inner wall of the middle reduced diameter pipe of the water meter pipe section respectively. At the same time, the reduced diameter pipe in the middle of the water meter pipe section body is used to form the ultrasonic measurement pipeline of the entire water meter. The propagation path of the entire ultrasonic wave is W-shaped, which solves the problems of unstable water flow field and large pressure loss of the water meter. At the same time, the reflector component device adopts a sloped structure design, which not only stabilizes the water flow field in the pipe section, but also ensures that there is no large-area obstruction similar to the insert in the center of the pipe section of the entire water meter pipe section, preventing foreign matter (such as raw tape, hemp rope, etc.) in the water meter pipeline from being entangled in the water meter pipe section, and avoiding the problem of inaccurate measurement due to foreign matter stuck in the pipe section.

[0020] 2. All ultrasonic water meter transducers are installed on the same side of the pipe section, and the interface of the transducer is placed perpendicular to the water flow axis, which reduces the number of steps during production and processing, reduces the processing difficulty, and improves the production and processing efficiency.

[0021] 3. The ultrasonic water meter pipe section improves the water flow velocity in the middle part of the water meter pipe section by reducing the inner and outer diameters of the middle measuring part, which lays the foundation for improving the accuracy of ultrasonic water meter measurement. At the same time, the built-in plastic reducing pipe is no longer used, but the water meter pipe section body is directly machined, which not only improves the dimensional accuracy of the reduced inner cavity, but also reduces the production cost of the water meter pipe section. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0023] Figure 1This is a schematic diagram of the structure of the ultrasonic reflection measurement pipeline in the utility model;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the ultrasonic reflection measurement pipeline in the utility model;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of the ultrasonic water meter pipe section in the utility model;

[0026] Figure 4 and Figure 5 It is a structural diagram and a cross-sectional structural schematic diagram of the ultrasonic reflector component device in the utility model;

[0027] Figure 6 This is a schematic diagram of the general assembly of the ultrasonic reflection measurement pipeline in the utility model. DETAILED DESCRIPTION

[0028] Embodiment 1, as Figure 1 and Figure 2 As shown, an ultrasonic reflection measuring pipeline includes a water meter pipe section 1, on which a second-stage reflection sheet component device 4 and two ultrasonic transducer assemblies 2 are installed, and a first-stage reflection sheet component device 3 and a third-stage reflection sheet component device 5 are installed in the water meter pipe section 1, and the second-stage reflection sheet component device 4 is fixed by a second-stage reflection sheet fixing device 6.

[0029] like Figures 3 to 6 As shown, the water meter pipe section 1 is provided with a 1# installation interface 102 and a 2# installation interface 104, and the 1# installation interface 102 and the 2# installation interface 104 are used to install the ultrasonic transducer assembly 2, and the 1# installation interface 102 and the 2# installation interface 104 are located on the same side of the water meter pipe section 1.

[0030] A water meter pipe section reduced diameter section 107 is provided in the partial pipe section between the 1# installation interface 102 and the 2# installation interface 104 of the water meter pipe section 1, a 3# installation interface 103 is provided in the middle of the water meter pipe section reduced diameter section 107, the 3# installation interface 103 is located between the 1# installation interface 102 and the 2# installation interface 104, and is used to install the second-level reflective sheet fixing device 6, the second-level reflective sheet fixing device 6 fixes the second-level reflective sheet component device 4 in the inner cavity of the water meter pipe section reduced diameter section 107, and the second-level reflective sheet component device 4 is provided with a metal reflective surface.

[0031] The second-stage reflective sheet fixing device 6 includes a locking bolt 601 and an O-ring 602. The second-stage reflective sheet component device 4 is located in the inner cavity of the reduced diameter section 107 of the water meter pipe section. The locking bolt 601 locks and positions the second-stage reflective sheet component device 4 through the 3# installation interface 103, and is sealed by the O-ring 602, which not only ensures the fixation of the second-stage reflective sheet component device 4, but also prevents liquid from leaking out of the water meter pipe section.

[0032] A water inlet 101 and a water outlet 105 are respectively provided on both sides of the water meter pipe section 1 , the 1# installation interface 102 is close to the water inlet 101 , and the 2# installation interface 104 is close to the water outlet 105 .

[0033] The ultrasonic transducer assembly 2 includes a compression screw sleeve 201, an ultrasonic transducer 202, and a rubber sealing gasket 203. The rubber sealing gasket 203 is sleeved on the ultrasonic transducer 202, and then placed as a whole inside the 1# installation interface 102 and the 2# installation interface 104 of the water meter pipe section 1, and finally compressed and sealed by the compression screw sleeve 201.

[0034] The first-stage reflective sheet component device 3 and the third-stage reflective sheet component device 5 penetrate through the water inlet 101 and the water outlet 105 respectively.

[0035] The inner inclined surfaces of the first-stage reflector component device 3 and the third-stage reflector component device 5 are both provided with metal reflective surfaces 701, and through holes 703 are provided above the metal reflective surface 701. The two through holes 703 are respectively located on the same axis as the 1# installation interface 102 and the 2# installation interface 104 of the water meter pipe section 1. The through holes 703 are used to ensure that the reflector component device can normally receive and transmit the ultrasonic signal of the ultrasonic transducer assembly.

[0036] The inner inclined surfaces of the first-stage reflection sheet component device 3 and the third-stage reflection sheet component device 5 are placed face to face, and finally a W-shaped ultrasonic propagation path is formed through the ultrasonic transducer 202 at the water inlet and outlet ends, the metal reflection surface 701 of the first-stage reflection sheet component device 3, the second-stage reflection sheet component device 4 provided with a metal reflection surface, and the metal reflection surface 701 of the third-stage reflection sheet component device 5.

[0037] The first-stage reflector component device 3 and the third-stage reflector component device 5 are both provided with bosses 702. The two bosses of the first-stage reflector component device 3 and the two bosses of the third-stage reflector component device 5 are symmetrically placed relative to the central axis of the pipe section, and are in contact and matched with the second group of guide grooves 108 and 106 to ensure the directional consistency of the reflector component device; the first group of guide grooves 108 and the second group of guide grooves 106 are respectively arranged inside the water inlet 101 and the water outlet 105 ends of the water meter pipe section 1 and are symmetrically placed relative to the central axis of the pipe section, and at the same time, there are limit platforms inside the water inlet 101 and the water outlet 105, which are assembled to the specified position through the limit platforms, and finally the protruding probe of the ultrasonic transducer 202 is inserted into the through hole 703 of the reflector component device for final positioning.

[0038] The ultrasonic water meter reflector structure device adopts a split type, which is installed on the water inlet, water outlet and the inner wall of the middle reduced diameter pipe of the water meter pipe section respectively. At the same time, the reduced diameter pipe in the middle of the water meter pipe section body is used to form the ultrasonic measurement pipeline of the entire water meter. The propagation path of the entire ultrasonic wave is W-shaped, which solves the problems of unstable water flow field, large pressure loss of water meter, and inaccurate ultrasonic measurement caused by foreign objects (such as raw tape, hemp rope, etc.) easily entangled around the reflector.

[0039] All ultrasonic water meter transducers are installed on one side of the pipe section, and the interface of the transducer is placed perpendicular to the water flow axis, which reduces the number of steps during production and processing, reduces the processing difficulty, and improves the production and processing efficiency.

[0040] The ultrasonic water meter pipe section is formed and processed directly on the pipe section body by reducing the diameter of the middle measuring part, and no longer uses an internal plastic reducing pipe, which not only improves the dimensional accuracy of the reduced diameter inner cavity, but also reduces production costs.

[0041] The description of the present invention is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present invention to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An ultrasonic reflection measuring pipeline, characterized in that: The invention comprises a water meter pipe section (1), on which a second-stage reflection sheet component device (4) and two ultrasonic transducer assemblies (2) are installed, and inside the water meter pipe section (1) a first-stage reflection sheet component device (3) and a third-stage reflection sheet component device (5) are installed, and the second-stage reflection sheet component device (4) is fixed by a second-stage reflection sheet fixing device (6).

2. An ultrasonic reflection measuring pipeline as claimed in claim 1, characterized in that: The water meter pipe section (1) is provided with a 1# installation interface (102) and a 2# installation interface (104), the 1# installation interface (102) and the 2# installation interface (104) are used to install the ultrasonic transducer assembly (2), and the 1# installation interface (102) and the 2# installation interface (104) are located on the same side of the water meter pipe section (1).

3. An ultrasonic reflection measuring pipeline as claimed in claim 2, characterized in that: A water meter pipe section reduced diameter section (107) is provided in a portion of the pipe section between the 1# installation interface (102) and the 2# installation interface (104) of the water meter pipe section (1). A 3# installation interface (103) is provided in the middle of the water meter pipe section reduced diameter section (107). The 3# installation interface (103) is located between the 1# installation interface (102) and the 2# installation interface (104) and is used to install a second-stage reflective sheet fixing device (6). The second-stage reflective sheet fixing device (6) fixes the second-stage reflective sheet component device (4) in the inner cavity of the water meter pipe section reduced diameter section (107). The second-stage reflective sheet component device (4) is provided with a metal reflective surface.

4. An ultrasonic reflection measuring pipeline as claimed in claim 3, characterized in that: The second-stage reflector fixing device (6) comprises a locking bolt (601) and an O-ring (602); the second-stage reflector component device (4) is located in the inner cavity of the reduced diameter section (107) of the water meter pipe section; the locking bolt (601) locks and positions the second-stage reflector component device (4) through the 3# installation interface (103), and is sealed by the O-ring (602).

5. The ultrasonic reflection measuring pipeline according to claim 2, characterized in that: A water inlet (101) and a water outlet (105) are respectively arranged on both sides of the water meter pipe section (1), the 1# installation interface (102) is close to the water inlet (101), and the 2# installation interface (104) is close to the water outlet (105); The first-stage reflective sheet component device (3) and the third-stage reflective sheet component device (5) penetrate through the water inlet (101) and the water outlet (105) respectively.

6. The ultrasonic reflection measuring pipeline according to claim 2, characterized in that: The ultrasonic transducer assembly (2) comprises a compression screw sleeve (201), an ultrasonic transducer (202), and a rubber sealing gasket (203). The rubber sealing gasket (203) is sleeved on the ultrasonic transducer (202), and then the rubber sealing gasket (203) is placed inside the No. 1 installation interface (102) and the No. 2 installation interface (104) of the water meter pipe section (1), and finally compressed and sealed by the compression screw sleeve (201).

7. The ultrasonic reflection measuring pipeline according to claim 2, characterized in that: The inner inclined surfaces of the first-stage reflection sheet component device (3) and the third-stage reflection sheet component device (5) are placed face to face, and metal reflection surfaces (701) are provided on the inner inclined surfaces of the first-stage reflection sheet component device (3) and the third-stage reflection sheet component device (5).

8. An ultrasonic reflection measuring pipeline as claimed in claim 7, characterized in that: A through hole (703) is provided above the metal reflective surface (701), and the two through holes (703) are respectively located on the same axis as the No. 1 installation interface (102) and the No. 2 installation interface (104) of the water meter pipe section (1).

9. The ultrasonic reflection measuring pipeline according to claim 5, characterized in that: The first-stage reflective sheet component device (3) and the third-stage reflective sheet component device (5) are both provided with bosses (702); the two bosses of the first-stage reflective sheet component device (3) and the two bosses of the third-stage reflective sheet component device (5) are respectively symmetrically placed relative to the central axis of the pipe section, and are in contact and cooperation with the second group of guide grooves (106) through the first group of guide grooves (108), thereby ensuring the directional consistency of the reflective sheet component devices.

10. An ultrasonic reflection measuring pipeline as claimed in claim 9, characterized in that: The first group of guide grooves (108) and the second group of guide grooves (106) are respectively arranged inside the water inlet (101) and the water outlet (105) of the water meter pipe section (1) and are symmetrically placed relative to the central axis of the pipe section. At the same time, there are limit platforms inside the water inlet (101) and the water outlet (105) and they are assembled to the specified position through the limit platforms.