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Thermal protection mounting structure for pressure measuring sensor in narrow space

A technology of pressure measuring sensor and installation structure, which is applied in the testing of machine/structural components, measuring devices, instruments, etc. Protective effect, prolong the heat transfer path, improve the effect of anti-vibration ability

Active Publication Date: 2020-05-05
XIAN AEROSPACE PROPULSION INST
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Problems solved by technology

[0003] The main purpose of the present invention is to solve the technical problem that the pressure sensor is prone to inaccurate measurement or even measurement failure due to the limited installation space and harsh measurement environment in the prior art when the pressure sensor is used to measure the chamber pressure of the combustion chamber. Thermal protection installation structure of pressure sensor in narrow space

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  • Thermal protection mounting structure for pressure measuring sensor in narrow space
  • Thermal protection mounting structure for pressure measuring sensor in narrow space
  • Thermal protection mounting structure for pressure measuring sensor in narrow space

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Embodiment Construction

[0033] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention and the accompanying drawings. Apparently, the described embodiments do not limit the present invention.

[0034] Such as Figure 1 to Figure 7 , a heat protection installation structure for a pressure sensor in a narrow space, including a support base 2, a pressure measurement conduit 3 and two clamps 1. Such as Figure 4 and Figure 5 , the upper part of the support seat 2 is an L-shaped fixed plate 201 for fixing the clamp 1, the lower part is a support base 202, one end of the support base 202 is connected to the bottom of the fixed plate 201, and the other end is fixed on the wall of the combustion chamber 5, Play a role of support and fixation. The number of clamps 1 can also be one or more than two, if there is one, the stability of the installation structure may be reduced, which can be compensated by inc...

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Abstract

The invention belongs to a mounting structure of a high-temperature gas pressure measuring sensor, aims to solve the technical problems in the prior art that when a pressure measuring sensor is used for measuring the pressure of a combustion chamber, the pressure measuring sensor is prone to inaccurate measurement and even measurement failure due to the fact that the installation space is limitedand the measuring environment is severe, and provides a thermal protection mounting structure for a pressure measuring sensor in narrow space. The thermal protection mounting structure comprises a supporting base, a pressure measuring guide pipe and a hoop. The upper part of the supporting base is an L-shaped fixing plate, and the lower part is a supporting base; one end of the supporting base isconnected to the bottom of the fixing plate, and the other end is fixed to the wall of the combustion chamber. The hoop is arranged on the outer side of the pressure measuring sensor in a sleeving mode, and the hoop connector is installed on the side wall of the fixing plate; one end of the pressure measuring guide pipe is connected with the detection end of the pressure measuring sensor, the other end is communicated with the interior of the combustion chamber, and the middle of the pressure measuring guide pipe is coiled and the pressure measuring guide pipe bypasses the supporting base.

Description

technical field [0001] The invention belongs to the installation structure of a high-temperature gas pressure measuring sensor, and in particular relates to a thermal protection installation structure of a pressure measuring sensor in a narrow space. Background technique [0002] The chamber pressure of the combustion chamber is one of the key telemetry parameters of the engine, and the measurement of this parameter can reflect whether the engine is working normally. According to the requirements of engine measurement and overall structural layout, the chamber pressure measurement point must be selected in the body of the combustion chamber, and the pressure measurement sensor must be arranged in the fairing nearby. Due to the large number of instruments and equipment in the fairing, the available space for the pressure sensor is very limited, and the environment is harsh. The wall temperature of the body of the combustion chamber is not lower than 700°C, the temperature of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M15/02F16M11/04
CPCF16M11/04G01M15/02
Inventor 黄鋆樊根民金莉戴进梁俊龙李光熙石波
Owner XIAN AEROSPACE PROPULSION INST
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