Novel side-mounted transducer ultrasonic water meter

Abstract

The utility model discloses a novel side-mounted transducer ultrasonic water meter, which is characterized in that a group of transducer pipe sleeves are symmetrically arranged on the side wall of an ultrasonic pipe section in an inclined manner, an insertion rod is embedded in each transducer pipe sleeve, a transducer component is embedded in each insertion rod, a measuring pipe is embedded in the ultrasonic pipe section, a group of reflectors are embedded in each measuring pipe, and a transducer is embedded in each reflector. An ultrasonic signal emitted by the ceramic wafer of the transducer assembly at one end is reflected by a set of reflectors and then received by the transducer assembly at the other end, a water meter shell is fixed to the top of the transducer pipe sleeve through a screwed fixing screw, an ultrasonic assembly is arranged in the water meter shell, and transmission media through which the ultrasonic signal passes are all water. The constant medium in the transmission process is ensured, the influence of bubbles at the top in the pipe section is avoided, and the measurement accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic water meters, in particular to a new type of side-mounted transducer ultrasonic water meter. Background Art

[0002] Existing ultrasonic water meters mainly transmit and receive ultrasonic signals through transducers, and calculate the flow rate by measuring the time difference of ultrasonic wave propagation in the fluid.

[0003] However, existing ultrasonic water meters generally choose to install the transducers at the top of the pipe section, and the water flow directly passes through the lower pipe section. This installation method will cause the ultrasonic signals emitted by the top transducers to be affected by air bubbles, and the propagation media cannot be completely unified, affecting the measurement accuracy. Summary of the Invention

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and the title of the application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model. Such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] In view of the problems existing in the above-mentioned existing ultrasonic water meters, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a new type of side-mounted transducer ultrasonic water meter, which solves the problems that the ultrasonic signals emitted by the top transducers of the existing ultrasonic water meters are affected by air bubbles, and the propagation media of the ultrasonic signals cannot be completely unified during the measurement process, affecting the measurement accuracy.

[0007] To solve the above technical problems, the present utility model provides the following technical solution: A new type of side-mounted transducer ultrasonic water meter, including an ultrasonic pipe section, a set of transducer sleeves are symmetrically arranged obliquely on the side wall of the ultrasonic pipe section, an insertion rod is embedded in the transducer sleeve, a transducer assembly is embedded in the insertion rod, the transducer assembly includes a ceramic wafer and an insertion rod cover, a rubber gasket is embedded in the ceramic wafer and the insertion rod cover, a measuring pipe is embedded in the ultrasonic pipe section, a set of reflectors are embedded in the measuring pipe, the ultrasonic signal emitted by the ceramic wafer of one end of the transducer assembly is reflected by a set of reflectors and then received by the transducer assembly at the other end, and a water meter housing is fixed to the top of the transducer sleeve by a screwed fixing screw, and an ultrasonic component is arranged in the water meter housing.

[0008] As a preferred embodiment of the novel side-mounted transducer ultrasonic water meter of the present utility model, wherein: a backing plate is provided on the inner bottom surface of the water meter housing, and the fixing screw is screwed onto the surface of the backing plate to realize the fixation of the transducer sleeve, the water meter housing and the backing plate.

[0009] As a preferred embodiment of the novel side-mounted transducer ultrasonic water meter of the present utility model, wherein: a limiting member is provided at the top of the inserting rod, a receiving hole is provided on the backing plate, and the limiting member is completely embedded in the receiving hole.

[0010] As a preferred embodiment of the novel side-mounted transducer ultrasonic water meter of the present utility model, wherein: the limiting member is a limiting structure with three vertices, presenting a triangular shape.

[0011] As a preferred embodiment of the novel side-mounted transducer ultrasonic water meter of the present utility model, wherein: 2 reflecting mirrors are provided.

[0012] As a preferred embodiment of the novel side-mounted transducer ultrasonic water meter of the present utility model, wherein: the transmitted ultrasonic signal presents an N-shaped transmission path after being reflected by a group of the reflecting mirrors.

[0013] As a preferred embodiment of the novel side-mounted transducer ultrasonic water meter of the present utility model, wherein: the inserting rod is made of plastic.

[0014] Advantages of the present utility model: The present utility model provides a side-mounted transducer ultrasonic water meter. Compared with the traditional installation scheme, the present utility model creatively adopts the structure of side-mounted transducers. In the side-mounted structure, the ultrasonic signal emitted by the ceramic wafer in one end of the transducer assembly is repeatedly refracted in the ultrasonic pipe section and transmitted to the other end of the transducer assembly for reception. The transmission medium of the ultrasonic signal is all water, which ensures the constancy of the medium during the transmission process and avoids the influence of air bubbles at the top of the pipe section. It cleverly solves the problem that the ultrasonic signal emitted by the top transducer of the existing ultrasonic water meter is affected by air bubbles when the transducer is installed at the top of the pipe section, and the medium through which the ultrasonic signal travels during the measurement process cannot be completely unified, affecting the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the rod insertion structure of the utility model.

[0019] Figure 4 This is a schematic diagram of ultrasonic signal transmission of the utility model.

[0020] Figure 5 It is a schematic diagram of the overall structure of the measuring tube of the utility model. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included. Example

[0025] Existing ultrasonic water meters generally choose to install the transducer on the top of the pipe section, and the water flows directly through the lower pipe section. This installation method will cause the ultrasonic signal emitted by the top transducer to be affected by air bubbles. During the measurement process, the ultrasonic signal cannot pass through the medium completely uniform, affecting the accuracy of the measurement.

[0026] Therefore, refer to Figures 1 to 5The utility model provides a novel side-mounted transducer ultrasonic water meter, comprising an ultrasonic pipe section 1, a group of transducer sleeves 11 are obliquely symmetrically arranged on the side wall of the ultrasonic pipe section 1, a plug rod 2 is embedded in the transducer sleeve 11, a transducer assembly 3 is embedded in the plug rod 2, the transducer assembly 3 comprises a ceramic chip 31 and a plug rod cover 32, a rubber gasket 33 is embedded in the ceramic chip 31 and the plug rod cover 32, a measuring tube 4 is embedded in the ultrasonic pipe section 1, a group of reflectors 41 are embedded in the measuring tube 4, an ultrasonic signal emitted by the ceramic chip 31 of the transducer assembly 3 at one end is reflected by a group of reflectors 41 and received by the transducer assembly 3 at the other end, a water meter housing 5 is fixed to the top of the transducer sleeve 11 by screwing fixing screws, and an ultrasonic assembly is arranged in the water meter housing 5.

[0027] It should be noted that a junction box for installing an adapter board and a battery for power supply are provided in the inner cavity of the water meter housing 5, an electrical box for installing a circuit board is provided on the top of the water meter housing 5, a wide-screen transparent bracket is provided on the top of the electrical box, a housing cover is provided on the wide-screen transparent bracket, the transducer assembly 3 is connected to the adapter board signal, and the adapter board is connected to the circuit board signal. Since the specific ultrasonic measurement components are all existing mature and conventional components and processes, no unnecessary details are given here.

[0028] Furthermore, a backing plate 6 is provided on the inner bottom surface of the water meter housing 5 , and fixing screws are screwed on the surface of the backing plate 6 to achieve fixed connection between the transducer sleeve 11 , the water meter housing 5 and the backing plate 6 .

[0029] Furthermore, a limiting member 21 is provided on the top of the insertion rod 2, and a containing hole 61 is provided on the backing plate 6, and the limiting member 21 is completely embedded in the containing hole 61, so as to facilitate the limiting installation.

[0030] The limiting member 21 is a limiting structure with three vertices and presents a triangular shape.

[0031] Among them, two reflective mirrors 41 are provided.

[0032] Specifically, the transmitted ultrasonic signal presents an N-shaped transmission path after being reflected by a group of reflectors 41 .

[0033] Specifically, the insertion rod 2 is made of plastic, which has lower cost.

[0034] See also Figure 4 During use, the adapter board sends out a signal command, the ceramic chip 31 in the transducer assembly 3 emits an ultrasonic signal, and the reflector 41 at one end reflects the ultrasonic signal and repeatedly refracts it in the ultrasonic pipe section and transmits it to the reflector 41 at the other end, thereby completing the flow measurement.

[0035] The utility model provides a side-mounted transducer ultrasonic water meter. Compared with the traditional installation scheme, the utility model creatively adopts a structure with side-mounted transducers. In this side-mounted structure, the ultrasonic signal emitted by the ceramic wafer in one end transducer assembly is repeatedly refracted in the ultrasonic pipe section and transmitted to the other end transducer assembly for reception. The transmission medium through which the ultrasonic signal passes is all water, ensuring the constancy of the medium during the transmission process and avoiding the influence of air bubbles at the top of the pipe section. It cleverly solves the problem that in the existing ultrasonic water meter, when the transducer is installed at the top of the pipe section, the ultrasonic signal emitted by the top transducer is affected by air bubbles, and the medium through which the ultrasonic signal passes during the measurement process cannot be completely unified, affecting the measurement accuracy.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A new type of side-mounted transducer ultrasonic water meter, comprising an ultrasonic pipe section (1), characterized in that: A set of transducer sleeves (11) are symmetrically arranged obliquely on the side wall of the ultrasonic pipe section (1). A plug rod (2) is embedded in the transducer sleeve (11), and a transducer assembly (3) is embedded in the plug rod (2). The transducer assembly (3) includes a ceramic wafer (31) and a plug rod cover (32). A rubber gasket (33) is embedded in the ceramic wafer (31) and the plug rod cover (32). A measuring pipe (4) is embedded in the ultrasonic pipe section (1), and a set of reflectors (41) are embedded in the measuring pipe (4). The ultrasonic signal emitted by the ceramic wafer (31) of one end of the transducer assembly (3) is reflected by the set of reflectors (41) and then received by the transducer assembly (3) at the other end. The water meter housing (5) is fixed to the top of the transducer sleeve (11) by screwed fixing screws, and an ultrasonic assembly is arranged in the water meter housing (5).

2. The novel side-mounted transducer ultrasonic water meter according to claim 1, wherein: A backing plate (6) is arranged on the inner bottom surface of the water meter housing (5), and the fixing screws are screwed on the surface of the backing plate (6) to realize the fixed connection of the transducer sleeve (11), the water meter housing (5) and the backing plate (6).

3. The novel side-mounted transducer ultrasonic water meter according to claim 2, wherein: A limiting member (21) is arranged at the top of the plug rod (2), and a receiving hole (61) is arranged on the backing plate (6), and the limiting member (21) is completely embedded in the receiving hole (61).

4. The novel side-mounted transducer ultrasonic water meter according to claim 3, characterized in that: The limiting member (21) is a limiting structure with three vertices, presenting a triangular shape.

5. The novel side-mounted transducer ultrasonic water meter according to claim 4, wherein: There are 2 reflectors (41).

6. The novel side-mounted transducer ultrasonic water meter according to claim 5, characterized in that: The transmitted ultrasonic signal presents an N-shaped transmission path after being reflected by the set of reflectors (41).

7. The novel side-mounted transducer ultrasonic water meter according to claim 6, wherein: The plug rod (2) is made of plastic.

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