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Measurement device

A measuring device and a technology for measuring wind, which are applied in the direction of measuring devices, measuring capacity, measuring fluid pressure, etc., can solve the problems of reducing the measured air volume, the accuracy of ventilation resistance, and the influence of the range of air volume

Active Publication Date: 2017-03-22
SANYO DENKI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the accuracy of measuring air volume and ventilation resistance will be significantly reduced
[0009] In addition, the relationship between the size of the chamber and the position of the opening of the nozzle also affects the range of the measurable air volume.
Therefore, the technology described in Japanese Patent Laid-Open Publication No. 2005-207832 can only measure the air volume and ventilation resistance corresponding to the size of the predetermined chamber and the position of the opening provided in the nozzle.

Method used

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Embodiment Construction

[0066] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown schematically in order to simplify the drawings.

[0067] Embodiments of the present invention will be described below. figure 1 An example of a perspective view of the measuring device 1 of the present embodiment seen from the first direction is shown. figure 2 An example of a perspective view of the measurement device 1 seen from a second direction different from the first direction is shown.

[0068] The measuring device 1 measures the air volume and ventilation resistance of the airflow device. Such as figure 1 and figure 2 As shown, the measuring device 1 includes a housing (casing) 10 . The housing 10 has vent...

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Abstract

A measurement device includes: a casing that includes a first air duct with an air inlet; a straightening grid; a first chamber; an opening plate including an opening; a second chamber; pressure sensors configured to measure a first pressure, a second pressure, and a third pressure, the first pressure being air pressure from the air inlet to the straightening grid, the second pressure being air pressure in the first chamber, the third pressure being air pressure in the second chamber; a specific opening configured to allow the opening plate to be replaceable; an open / close portion configured to open and close the specific opening; and a duct forming a second air duct between the measurement device and a measurement target.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority of Japanese Patent Application No. 2015-177723 submitted to the Japan Patent Office on September 09, 2015, and therefore the entire content of said Japanese Patent Application is incorporated herein by reference. technical field [0003] Embodiments of the present invention relate to a measuring device for measuring air volume and ventilation resistance. Background technique [0004] Measuring devices for measuring air volumes have been known in the past. For example, the technique described in Japanese Patent Laid-Open Publication No. 2004-309202 cools a thermal sensor (thermal sensor) by blowing air. Thus, the air volume is measured according to the temperature difference of the thermal sensor before and after the air blowing. Such techniques are widely known. [0005] In addition, a technique of measuring air volume using a pressure sensor is also known. For example, in the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/00G01L9/00
CPCG01F1/00G01L9/00F24F2110/40F15D1/001F24F11/52F24F11/89G01F1/42G01F15/068G01L19/083F24F13/0218F24F13/0209
Inventor 小池正启池田智昭户田贵久村松阳石原胜充漆本光瑠
Owner SANYO DENKI CO LTD