Title:
COMBINED AXIAL THROUGH BEAM ULTRASONIC TRANSDUCER FOR GAS FLOW MEASUREMENT
Document Type and Number:
WIPO Patent Application WO/2019/024512
Kind Code:
A1
Abstract:
A combined axial through beam ultrasonic transducer for gas flow measurement, which is combined by part A and part B. Part A comprises a housing (1) and a transducer core assembled in the housing (1); the housing (1) is of a cylindrical structure; the outer sidewall of the housing (1) is provided, at intervals, with at least two ribs (3) along a vertical direction thereof; the inner sidewall at the front portion of the housing (1) is circumferentially arranged with 3-8 grooves A(2) passing through the front end surface of the housing (1); and the grooves A(2) constitute a gas flow channel that communicates the interior and exterior of part A. Part B comprises a cylindrical mounting component (14), a connecting component (15) coaxially provided at the front portion of the mounting component (14), and a plurality of gas flow fences (17) axially provided between the outer surface of the mounting component (14) and the inner sidewall of the connecting component (15); the inner sidewall of the mounting component (14) is arranged with vertical grooves B(20) capable of matching the ribs (3) on the housing (1) of part A; the outer sidewall of the connecting component (15) is provided with a sealing structure (18) for sealing with a measurement pipe segment. Part A is assembled in the mounting component (14) of part B and achieves matching positioning with the grooves B(20) by means of the ribs (3). The ultrasonic transducer is of a combined structure, has the low processing difficulty, is convenient to be assembled and repaired, and can improve the production efficiency. The structural design of matching part A with part B and the design of the sealing structure improve the working reliability and service life of a gas flow measurement device.
Inventors:
LIU LIGUO (CN)
YU QIANG (CN)
YU QIANG (CN)
Application Number:
PCT/CN2018/079436
Publication Date:
February 07, 2019
Filing Date:
March 19, 2018
Export Citation:
Assignee:
QINGDAO IESLAB ELECTRONIC CO LTD (CN)
International Classes:
G01F1/66; G01F15/00
Foreign References:
| CN207019729U | 2018-02-16 | |||
| CN102667417A | 2012-09-12 | |||
| EP0565851A1 | 1993-10-20 | |||
| CN102597714A | 2012-07-18 | |||
| CN106525181A | 2017-03-22 | |||
| CN104344859A | 2015-02-11 | |||
| CN202083417U | 2011-12-21 |
Attorney, Agent or Firm:
JINAN SHUNYUAN PATENT AGENCY CO., LTD. (CN)
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