Tool for rapidly detecting transducer

Abstract

The utility model relates to a tool for rapidly detecting a transducer. The tool is assembled between a computer and the transducer to be detected. The tool comprises a lower shell and an upper shell. An accommodating cavity for placing the testing mechanism is formed in the lower shell; the upper shell is assembled on the accommodating cavity of the lower shell; the device further comprises a base. A groove is formed in one end of the base; a transducer to be detected is assembled in the groove, a baffle plate is assembled at the other end of the base, and the baffle plate and the transducer are arranged correspondingly; according to the utility model, the design is ingenious, the baffle plate is assembled at the other end of the base, and the baffle plate and the transducer are correspondingly arranged, so that the waveform and the amplitude of the transducer can be read as long as the transducer is qualified, the detection efficiency is greatly improved, and meanwhile, the detection of the testing mechanism is accurate.

Description

Technical Field

[0001] The utility model belongs to the technical field of transducer detection devices, and in particular relates to a tooling for rapid detection of transducers. Background Art

[0002] like Figure 1 As shown, existing ultrasonic meters generally have more than one pair of transducers. During the production process of the meters, the meters are tested. When unqualified meters are analyzed, some of them have broken transducers. During further analysis of the transducers, it is found that some are broken in pairs and some are only broken individually.

[0003] In the prior art, when testing the transducer, an oscilloscope is generally connected, so a test circuit must be built and an oscilloscope must be used. Since building a test circuit and using an oscilloscope both require high professional knowledge, there are not many people with this professional knowledge in production, which brings great inconvenience to production. Sometimes, when only a single transducer is broken, it is difficult to determine which one is broken using this solution, which brings great inconvenience to production.

[0004] In view of the above technical problems, improvements need to be made. Utility Model Content

[0005] The utility model aims to overcome the defects in the prior art and provide a tool for rapid detection of transducers which has a simple and reasonable structure, ingenious design and convenient use.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is: a tool for quickly detecting a transducer, which is assembled between a computer and a transducer to be detected; the tool includes a lower shell and an upper shell; a housing cavity for placing a test mechanism is formed in the lower shell; the upper shell is assembled on the housing cavity of the lower shell; and it also includes a base; a groove is formed at one end of the base; the transducer to be detected is assembled in the groove, and a baffle is assembled at the other end of the base, wherein the baffle is arranged corresponding to the transducer.

[0007] As a preferred embodiment of the utility model, a plurality of limiting protrusions are formed on the circumferential outer side of the lower shell, and correspondingly, a plurality of limiting grooves matching the limiting protrusions are formed on the lower shell, the upper shell is connected to the lower shell, and the limiting protrusions are snapped into the limiting grooves.

[0008] As a preferred embodiment of the present invention, a stepped placing portion is formed in the lower shell, and the upper shell is assembled on the placing portion.

[0009] As a preferred embodiment of the present invention, the upper end surface of the lower shell and the upper end surface of the upper shell are on the same horizontal plane.

[0010] As a preferred embodiment of the present invention, the testing mechanism includes an excitation circuit board, one end of the excitation circuit board is connected to a computer via a first terminal, and the other end of the excitation circuit board is connected to a transducer to be tested via a second terminal.

[0011] As a preferred embodiment of the utility model, the upper shell is formed with a through hole for the first terminal and the second terminal to pass through; wherein the first terminal is connected to the computer through a first wire, and the second terminal is connected to the transducer through a second wire.

[0012] As a preferred embodiment of the utility model, one end of the second wire is formed with a connecting end with a hook-shaped structure. Correspondingly, a transducer connecting wire is connected to the transducer, and a bent hook portion with a hook-shaped structure is formed at the end of the transducer connecting wire, and the connecting end is adaptively connected to the bent hook portion.

[0013] As a preferred embodiment of the present invention, the excitation circuit board is connected to a grounding capacitor.

[0014] As a preferred embodiment of the present invention, hot melt adhesive is laid on the bottom of the accommodating cavity, and the excitation circuit board is placed on the hot melt adhesive.

[0015] As a preferred embodiment of the utility model, the accommodating cavity of the lower shell is filled with epoxy resin, and the epoxy resin encapsulates and fixes the excitation circuit board, the grounding capacitor transducer wire and the computer wire.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model has a simple structure. By assembling a test mechanism between a computer and a transducer to be tested, one end of the test mechanism is connected to a transducer connecting line, and the other end of the test mechanism is connected to a computer, the transducer can be quickly tested, and the test of a single transducer is convenient and fast.

[0018] 2. The utility model is cleverly designed, with a baffle installed at the other end of the base, wherein the baffle is arranged corresponding to the transducer. As long as the transducer is qualified, the waveform and amplitude of the transducer can be read, which greatly improves the detection efficiency and makes the detection of the test organization accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of a transducer on an ultrasonic gas meter in the prior art;

[0020] Figure 2 This is a diagram showing the use status of a tooling for rapid detection of a transducer in Embodiment 1 of the utility model;

[0021] Figure 3This is a structural exploded view of the tooling of Example 1 of the utility model;

[0022] Figure 4 It is a top view of the test mechanism of Example 1 of the utility model;

[0023] Figure 5 For the utility model embodiment 1 Figure 2 A partial enlarged view of the A direction;

[0024] Figure 6 This is an exploded view of the assembly of the lower housing and the upper housing of Example 2 of the utility model;

[0025] The accompanying drawings are as follows: tooling 1, computer 2, transducer 3, testing mechanism 4, base 5, first wire 7, second wire 8, accommodating chamber 9, lower shell 10, upper shell 11, shelf portion 12, through hole 13, grounding capacitor 14, hot melt adhesive 16, limiting protrusion 17, limiting groove 18, first terminal 21, second terminal 22, transducer connecting wire 30, hook portion 31, excitation circuit board 40, groove 50, baffle 51, connecting end 80. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described in detail below with reference to the accompanying drawings.

[0027] Embodiment 1:

[0028] like Figure 2 As shown, Figure 2 This is a diagram of the use status of a tool for rapid detection of a transducer according to Example 1 of the utility model; a tool for rapid detection of a transducer, the tool 1 being assembled between a computer 2 and a transducer 3 to be detected; the tool 1 comprising a lower shell 10 and an upper shell 11; a receiving cavity 9 for placing a test mechanism 4 is formed in the lower shell 10; the upper shell 11 is assembled on the receiving cavity 9 of the lower shell 10; and further comprising a base 5; a groove 50 is formed at one end of the base 5; the transducer 3 to be detected is assembled in the groove 50, and a baffle 51 is assembled at the other end of the base 5, wherein the baffle 51 is arranged corresponding to the transducer 3.

[0029] The utility model has a simple structure and an ingenious design. A test mechanism is assembled between a computer and a transducer to be tested, one end of the test mechanism is connected to a transducer connecting line, and a wire at the other end of the test mechanism is connected to the computer. A baffle is assembled at the other end of the base, wherein the baffle is arranged corresponding to the transducer. As long as the transducer is qualified, the waveform and amplitude of the transducer can be read, thereby greatly improving the detection efficiency. At the same time, the detection of the test mechanism is also accurate.

[0030] like Figure 3 As shown, Figure 3This is a structural exploded view of the tooling of Example 1 of the utility model; specifically, a step-shaped shelf 12 is formed in the lower shell 10, and the upper shell 11 is assembled on the shelf 12; the upper end surface of the lower shell 10 and the upper end surface of the upper shell 11 are on the same horizontal plane; the inner side of the lower shell 10 and the outer end of the upper shell 11 are completely fitted together to ensure a stable assembly without shaking.

[0031] The upper housing 11 is formed with a through hole 13 for the first wiring terminal 21 and the second wiring terminal 22 to pass through; wherein the first wiring terminal 21 is connected to the computer 2 through the first wire 7, and the second wiring terminal 22 is connected to the transducer 3 through the second wire 8.

[0032] like Figure 4 As shown, Figure 4 It is a top view of the test mechanism of Example 1 of the utility model; the test mechanism 4 includes an excitation circuit board 40, one end of the excitation circuit board 40 is connected to the computer 2 through the first terminal 21, and the other end of the excitation circuit board 40 is connected to the transducer 3 to be tested through the second terminal 22.

[0033] The excitation circuit board 40 is connected to the grounding capacitor 14 , and hot melt adhesive 16 is laid on the bottom of the accommodating cavity 9 , and the excitation circuit board 40 is placed on the hot melt adhesive 16 .

[0034] The accommodating cavity 9 of the lower shell 10 is filled with epoxy resin, which encapsulates and fixes the excitation circuit board 40, the grounding capacitor 14 transducer line and the computer line; by filling the accommodating cavity 9 with epoxy resin, the components on the entire circuit board are protected from being corroded by the corrosive gas in the fuel gas, and then the upper shell 11 is covered, wherein the lower shell 10 and the upper shell 11 can be locked by screws.

[0035] like Figure 5 As shown, Figure 5 For the utility model embodiment 1 Figure 2 A partial enlarged view in the direction of A; a connecting end 80 with a hook-shaped structure is formed at one end of the second conducting wire 8, and correspondingly, a transducer connecting wire 30 is connected to the transducer 3, and a hook portion 31 with a hook-shaped structure is formed at the end of the transducer connecting wire 30, and the connecting end 80 is adaptively connected to the hook portion 31; by adopting the above scheme, the efficiency of detecting the waveform and amplitude of the transducer is improved through the connection between the connecting end 80 and the hook portion 31, and the structure is simple, which brings convenience to production.

[0036] The assembly principle of the structure of the tooling 1 is as follows: an excitation circuit board 40 is installed in the accommodating cavity 9 of the lower shell 10. During assembly, first apply a layer of hot melt glue in the accommodating cavity 5, and after the hot melt glue is dry, apply another layer of hot melt glue, and then place the excitation circuit board 40 on the hot melt glue, and then weld the excitation circuit board 40, the grounding capacitor 14 and the computer line, and the transducer connecting line 30. Finally, fill the accommodating cavity 9 with epoxy resin, and after the epoxy resin solidifies, cover the upper shell 11 and tighten the screws. Among them, the detection process is that the sound wave emitted by a single transducer 3 on the metal base 5 is reflected by the metal baffle 51 and received by the transducer 3. If it is a good transducer, there will be a waveform on the computer, and a bad one will not.

[0037] Embodiment 2:

[0038] like Figure 6 As shown, Figure 6 This is an exploded view of the assembly of the lower housing and the upper housing of the second embodiment of the utility model;

[0039] Specifically, a plurality of limiting protrusions 17 are formed circumferentially on the outer side of the lower shell 10, and correspondingly, a plurality of limiting grooves 18 matched with the limiting protrusions 17 are formed on the lower shell 10, the upper shell 11 is connected to the lower shell 10, and the limiting protrusions 17 are snapped into the limiting grooves 18; adopting the above scheme, the lower shell 10 and the upper shell 11 in this embodiment are both made of metal material, and the lower shell 10 and the upper shell 11 are fixed by the limiting protrusions 17 and the limiting grooves 18, so that it is convenient to disassemble and repair the excitation circuit board 40 in the box tooling after it is broken, providing convenience of use.

[0040] For other contents in this embodiment, refer to Embodiment 1.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention; various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0042] Although this article uses more of the figure markings: tooling 1, computer 2, transducer 3, testing mechanism 4, base 5, first wire 7, second wire 8, accommodating chamber 9, lower shell 10, upper shell 11, shelf 12, through hole 13, grounding capacitor 14, hot melt adhesive 16, limiting protrusion 17, limiting groove 18, first terminal 21, second terminal 22, transducer connecting wire 30, hook portion 31, excitation circuit board 40, groove 50, baffle 51, connecting end 80 and other terms, it does not exclude the possibility of using other terms; these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A tool for quickly testing a transducer, the tool (1) being mounted between a computer (2) and a transducer (3) to be tested; the tool (1) comprising a lower shell (10) and an upper shell (11); a receiving cavity (9) for placing a testing mechanism (4) is formed in the lower shell (10); the upper shell (11) is mounted on the receiving cavity (9) of the lower shell (10); the characteristics are: The device further comprises a base (5); a groove (50) is formed at one end of the base (5); a transducer (3) to be detected is mounted in the groove (50); a baffle (51) is mounted at the other end of the base (5), wherein the baffle (51) is arranged corresponding to the transducer (3).

2. A tool for rapid detection of transducers according to claim 1, characterized in that: The lower shell (10) is provided with a plurality of limiting protrusions (17) on the outer circumference thereof, and correspondingly, the lower shell (10) is provided with a plurality of limiting grooves (18) adapted to the limiting protrusions (17); the upper shell (11) is connected to the lower shell (10), and the limiting protrusions (17) are snap-fitted into the limiting grooves (18).

3. The tooling for rapid detection of transducers according to claim 1, characterized in that: A step-shaped shelf portion (12) is formed in the lower shell (10), and the upper shell (11) is assembled on the shelf portion (12).

4. A tooling for rapid detection of transducers according to claim 3, characterized in that: The upper end surface of the lower shell (10) and the upper end surface of the upper shell (11) are on the same horizontal plane.

5. The tooling for rapid detection of transducers according to claim 1, characterized in that: The testing mechanism (4) comprises an excitation circuit board (40), one end of the excitation circuit board (40) being connected to a computer (2) via a first wiring terminal (21), and the other end of the excitation circuit board (40) being connected to a transducer (3) to be tested via a second wiring terminal (22).

6. A tool for rapid detection of transducers according to claim 4, characterized in that: The upper housing (11) is formed with a through hole (13) for a first wiring terminal (21) and a second wiring terminal (22) to pass through; wherein the first wiring terminal (21) is connected to the computer (2) via a first wire (7), and the second wiring terminal (22) is connected to the transducer (3) via a second wire (8).

7. A tooling for rapid detection of transducers according to claim 6, characterized in that: One end of the second conductive wire (8) is formed with a connecting end (80) having a hook-shaped structure. Correspondingly, a transducer connecting wire (30) is connected to the transducer (3). The end of the transducer connecting wire (30) is formed with a bent hook portion (31) having a hook-shaped structure. The connecting end (80) is adaptively connected to the bent hook portion (31).

8. The tooling for rapid detection of transducers according to claim 5, characterized in that: The excitation circuit board (40) is connected to a grounding capacitor (14).

9. The tooling for rapid detection of transducers according to claim 1, characterized in that: The bottom of the accommodating cavity (9) is paved with hot melt adhesive (16), and the excitation circuit board (40) is placed on the hot melt adhesive (16).

10. The tooling for rapid detection of transducers according to claim 1, characterized in that: The accommodating cavity (9) of the lower housing (10) is filled with epoxy resin, and the epoxy resin encapsulates and fixes the excitation circuit board (40), the grounding capacitor (14), the transducer wire and the computer wire.

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