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Tube segment structure of ultrasonic sensor and ultrasonic sensor assembly method

A technology of ultrasonic sensors and assembly methods, which is applied in the fields of sensors and acoustics, and can solve problems such as long cycle times, complex processes, and heavy product weights

Pending Publication Date: 2017-05-31
HUIZHONG INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first type of structure is welded by measuring straight pipe, transducer mounting seat, threading pipe and converter mounting seat. figure 1 , the transducer mounting hole is set on the wall of the measuring straight pipe, and communicates with the inner hole of the pipe section; the threading pipe is respectively connected with the transducer mounting hole and the converter mounting seat; the main disadvantages of this structure are: 1. Welding on the transducer The metal threading pipe between the instrument mounting seat and the converter mounting seat is easily damaged during transportation and installation, which will directly affect the operation reliability of the instrument and the sealing performance of the whole machine; 2. This production method is complicated in process and expensive in production High, long cycle, difficult to achieve mass production
The second structure is to cast the measuring straight pipe, transducer mounting hole, threading pipe, and converter mounting seat in one piece, refer to the attached figure 2 , or cast the measuring straight pipe, transducer mounting hole, threading pipe, and converter housing in one piece; the main disadvantages of this structure are: 1. The forming process is complicated and difficult, especially the forming of the metal threading pipe The process is very difficult; 2. Due to the characteristics of the forming process, the wall thickness of the formed product is relatively thick, which eventually leads to heavy product weight and high cost; 3. The metal casting forming process consumes a lot of energy and causes air pollution. Not conducive to energy saving and environmental protection

Method used

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  • Tube segment structure of ultrasonic sensor and ultrasonic sensor assembly method
  • Tube segment structure of ultrasonic sensor and ultrasonic sensor assembly method
  • Tube segment structure of ultrasonic sensor and ultrasonic sensor assembly method

Examples

Experimental program
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Effect test

Embodiment 1

[0150] Embodiment one, with reference to the attached image 3 , 4 , 5. The protective cover is positioned and fixed on the measuring pipe segment body 1 in the following manner:

[0151] The measuring straight pipe 4 is provided with a fixing seat 13, which is positioned and fixed by fastening screws 14. The fixing seat 13 is provided with a screw hole, and the top of the protective cover 5 is provided with a through hole. The protective cover 5 is fixed on the measuring on the straight pipe 4; the protective cover 5 extends toward the end of the transducer mounting seat 3, its shape matches the transducer mounting seat 3, and is positioned and fixed by the transducer mounting seat 3, and the protective cover 5 extends To the end of the position of the transducer mounting seat 3, a positioning hole 15 is provided. The positioning hole 15 matches the transducer mounting hole 6 on the transducer mounting seat 3. The energy device installation hole 6 is closed together, and t...

Embodiment 2

[0154] Embodiment two, referring to the attached Figure 6 . The protective cover 5 is a split assembly structure, the split protective cover is provided with a converter mounting seat 8, the bottom of the converter mounting seat 8 is provided with a card slot 10, and the split protective cover is provided with a card slot 10. The matching card protrusion installs the converter mounting seat 8 on the protective cover 5; the split protective cover 5 is divided into two halves of the protective cover, one half of the protective cover is provided with a matching shaft 16, and the other half of the protective cover is provided with a matching shaft 16. Hole 18, the matching shaft 16 is inserted in the matching hole 18, and the two half protective covers are combined into a whole.

Embodiment 3

[0155] Embodiment three, with reference to the attached Figure 7 . A converter housing 11 is arranged on the protective cover 5 , and the protective cover 5 and the converter housing 11 are integrally formed by injection molding.

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Abstract

The invention relates to a tube segment structure of an ultrasonic sensor and an ultrasonic sensor assembly method, is applied to ultrasonic water meters, calorimeters and flowmeters for metering liquid flow in pipelines and belongs to the technical fields of acoustics and sensors. The technical scheme includes that the tube segment structure is characterized in that a measurement tube segment (1) consists of a straight measurement tube (4) and more than one pair of energy converter fitting seats (3), the energy converter fitting seats (3) are arranged on the sidewall of the straight measurement tube (4), and a protection cover (5) is fixedly positioned on the measurement tube segment (1) and covers the energy converter fitting seats (3) and cables of energy converters (2). The tube segment structure of the ultrasonic sensor has the advantages that since the integral structure of the tube segment type ultrasonic sensor is simplified, a measurement tube segment processing technology is also simplified, and production efficiency is improved while measurement tube segment production cost is reduced substantially; energy conservation and environmental protection are benefited, and environmental pollution caused by measurement tube segment processing is reduced.

Description

technical field [0001] The invention relates to a pipe section structure of an ultrasonic sensor and an assembly method of the ultrasonic sensor, which are used for measuring liquid flow in a pipeline, an ultrasonic water meter, a heat meter, and a flow meter, and belongs to the technical fields of acoustics and sensors. Background technique [0002] At present, the existing pipe-type ultrasonic sensors are usually composed of a transducer and a measuring pipe body. The measuring pipe body is divided into two structures according to the manufacturing process, both of which are made of metal materials such as stainless steel and cast iron. The first type of structure is welded by measuring straight pipe, transducer mounting seat, threading pipe and converter mounting seat. figure 1 , the transducer mounting hole is set on the wall of the measuring straight pipe, and communicates with the inner hole of the pipe section; the threading pipe is respectively connected with the tra...

Claims

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Application Information

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IPC IPC(8): G01F1/66G01K17/00
CPCG01F1/66G01K17/00
Inventor 张力新
Owner HUIZHONG INSTR