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Differential pressure measuring device and method

A technology of pressure difference measurement and measurement value, which is applied in the direction of measuring device, pressure difference measurement between multiple valves, and fluid pressure measurement, which can solve problems such as inadaptability, overcome measurement errors, meet real-time requirements, overcome maladaptive effect

Active Publication Date: 2014-03-26
ACAD OF OPTO ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The purpose of the present invention is to provide a differential pressure measurement device and method to solve the incompatibility of the traditional differential pressure measurement device when measuring the pressure difference between the inside and outside of the aerostat capsule, and at the same time meet the real-time performance in special working environments need

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  • Differential pressure measuring device and method

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0026] figure 1 It is a schematic diagram of a differential pressure measuring device based on solenoid valve control according to the present invention.

[0027] Such as figure 1 As shown, a specific embodiment of the present invention discloses a differential pressure measurement device based on solenoid valve control, which includes a solenoid valve 11, an air pressure sensor 12, a first air pipe 111, a second air pipe 112, and a third air pipe 113, A data processing module 13 and a data line 14 . One end of the first trachea, one end of the second trachea, and one end of the third trachea are respectively connected to the electromagnetic valve, and the other end of the first trachea is connected to the capsule (i.e....

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Abstract

The invention discloses a differential pressure measuring device and a differential pressure measuring method based on solenoid valve control. The differential pressure measuring device comprises an electromagnetic valve, a pressure sensor, air tubes, a data processing module and a data line. With the differential pressure measuring device and method of the invention adopted, the problem of maladjustment in internal and external differential pressure measurement of an aerostat capsule existing in a traditional measuring device can be effectively solved, and a real-time requirement under a special working environment can be satisfied.

Description

technical field [0001] The invention belongs to the technical field of differential pressure measurement, and in particular relates to the measurement of the internal and external pressure differential of aerostat capsules such as tethered balloons and airships. Background technique [0002] Aerostats include airships and tethered balloons, which are lighter-than-air aircraft. The basic principle is to fill helium in soft, semi-soft or hard capsules to generate buoyancy to overcome their own weight and achieve flight from the stratosphere to near the ground. Maneuvering in the air range or staying in the air at a fixed point. The capsule is an important component of the aerostat. In the complex and changeable external environment, it is necessary to strictly control the internal pressure of the capsule to ensure that the aerostat maintains a good aerodynamic shape in the harsh natural environment, thereby ensuring its normal work. In order to achieve strict control of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L13/00
Inventor 欧阳光洲徐颖袁洪罗瑞丹
Owner ACAD OF OPTO ELECTRONICS CHINESE ACAD OF SCI
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