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Multilayer channel member of ultrasonic fluid measuring device and ultrasonic fluid measuring device

A technology for fluid measurement and flow path measurement, which is applied in the direction of measurement devices, liquid/fluid solid measurement, flow measurement/mass flow measurement, etc., to achieve the effect of enhancing measurement accuracy

Inactive Publication Date: 2012-07-18
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention is implemented to solve the conventional problems, and an object of the present invention is to provide a multilayer flow path member of an ultrasonic fluid measuring device capable of enhancing the measurement accuracy of an average flow velocity and an ultrasonic fluid measuring device

Method used

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  • Multilayer channel member of ultrasonic fluid measuring device and ultrasonic fluid measuring device
  • Multilayer channel member of ultrasonic fluid measuring device and ultrasonic fluid measuring device
  • Multilayer channel member of ultrasonic fluid measuring device and ultrasonic fluid measuring device

Examples

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no. 1 example

[0182] Such as figure 1 As shown in the figure, the ultrasonic fluid measuring device 10 according to the first embodiment has a fluid path 11 formed substantially in an inverted U shape, which consists of vertical flow paths 12 and 13 on the left and right sides and a vertical flow path connecting the left and right sides. The upper end portions of the flow paths 12 and 13 are constituted by a horizontal flow path 14. The horizontal flow path 14 has a measurement flow path 14a for measuring fluid, and in the measurement flow path 14a, a first transceiver (here, a transmitter) 21 and a second transceiver (here, a receiver) The ultrasonic measuring part 20 of 22 is provided on a pair of opposed inner faces 15a and 15b. In addition, the measurement flow path 14a has: a multilayer flow path member 30 for dividing the fluid into a plurality of flat flow paths; and a cover 17 for accommodating the multilayer flow path member 30 in the measurement flow path 14a, And used for sealing...

no. 2 example

[0196] Next, the ultrasonic fluid measuring device and the multilayer flow path member of the ultrasonic fluid measuring device according to the second embodiment of the present invention will be described.

[0197] Figure 5 Is a perspective view of the multilayer flow path member according to the second embodiment, and Image 6 It is a cross-sectional view of the multilayer flow path member according to the second embodiment. The same parts as those of the ultrasonic fluid measuring device and the multilayer flow path member of the ultrasonic fluid measuring device according to the first embodiment described above are denoted by the same reference numerals, and will not be discussed again.

[0198] Such as Figure 5 with Image 6 As shown, the multilayer flow path member 30B according to the second embodiment has extension portions 34 provided at the end of the frame 31B along the flow direction, and the inner side surface 34a of each extension portion 34 and the inner surface of ...

no. 3 example

[0200] Next, the ultrasonic fluid measuring device and the multilayer flow path member of the ultrasonic fluid measuring device according to the third embodiment will be described.

[0201] Figure 7 Is a perspective view of a multilayer flow path member according to the third embodiment, and Figure 8 It is an exploded perspective view of the main part of the ultrasonic fluid measuring device according to the third embodiment. The same parts as those of the ultrasonic fluid measuring device and the multilayer flow path member of the ultrasonic fluid measuring device according to the first and second embodiments described above are denoted by the same reference numerals and will not be described again. discuss.

[0202] Such as Figure 7 with Figure 8 As shown, the multilayer flow path member 30C according to the third embodiment is provided with a bottom 35 in the lower ends of the frames 31B and 31B described in the second embodiment, and the cross section is formed in a U-shape...

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Abstract

A multilayer flow path member of an ultrasonic fluid measurement apparatus and an ultrasonic fluid measurement apparatus capable of enhancing the measurement accuracy of the mean flow velocity are provided. When a multilayer flow path member 30 placed in a measurement flow path 14a shaped in a rectangular cross-section pipe of an ultrasonic fluid measurement apparatus 10 is partitioned into a plurality of flat flow paths 14e by partition plates 32 attached to a frame 31 along a flowing direction, the partition plates 32 are provided so as to face inner faces 15f and 17a of the measurement flow path 14a. Thus, the partition plates 32 are exposed and face the inner faces 15f and 17a of the measurement flow path 14a and thus the space between the exposed partition plate 32 and the inner face 15f, 17a of the measurement flow path 14a becomes the highest-stage or lowest-stage flat flow path 14e. Therefore, a problem of degrading the measurement accuracy as a fluid flows into the space between the frame 31 forming a part of the multilayer flow path member 30 and the inner face 15f, 17a of the measurement flow path 14a as before does not occur and accordingly the measurement accuracy can be enhanced.

Description

[0001] This application is a divisional application of a Chinese invention patent application with the application date of July 9, 2008, the title of the invention "Multilayer flow path member of ultrasonic fluid measuring device and ultrasonic fluid measuring device", and the application number: 200880023620.X . Technical field [0002] The present invention relates to a multilayer flow path member of an ultrasonic fluid measuring device and an ultrasonic fluid measuring device. A plurality of flat flow paths are formed in the measurement flow path by using the multilayer flow path member. Background technique [0003] The ultrasonic fluid measuring device is a device that allows fluid to flow into the measurement flow path, propagates ultrasonic waves in the measurement flow path, measures the propagation time of the ultrasonic waves, and obtains the flow velocity of the fluid based on the measurement information. [0004] The measurement flow path shaped with a rectangular cross-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/66
CPCG01F1/662G01F15/00
Inventor 佐藤真人尾崎行则足立明久
Owner PANASONIC CORP
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