Dual-redundancy pressure sensor and manufacturing method thereof
A technology of pressure sensor and manufacturing method, which is applied in the direction of manufacturing tools, instruments, measuring force, etc., can solve the problems of large volume, high design and process requirements, and poor welding of double-redundancy pressure sensors, so as to reduce material costs and design And process requirements are high, reducing the effect of welding
Inactive Publication Date: 2021-04-30
SUZHOU CHANGFENG AVIATION ELECTRONICS
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Problems solved by technology
[0003] Aiming at the problem that the current double-redundancy pressure sensor has a large volume, high cost, high requirements on design and technology, and is prone to poor welding and waste due to inconsistent workpieces, the present invention proposes a double-redundancy pressure sensor and its The manufacturing method can reduce the volume of the product, reduce the difficulty of design and process, and can find the concentric position by itself to avoid waste
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[0023] Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.
[0024] Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, a...
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The invention provides a dual-redundancy pressure sensor and a manufacturing method thereof. The sensor comprises an oil-filled core body and a pressure inlet head; the oil-filled core body comprises a base, two pressure sensing chips are uniformly arranged on the base at intervals, the outer wall of the base is provided with an external thread ring, the inner wall of the pressure inlet head is provided with an internal thread ring, and the oil filling core body is in threaded connection with the pressure inlet head. The product size can be reduced, the design and process difficulty is reduced, the concentric position can be automatically found, and waste is avoided.
Description
technical field [0001] The present disclosure relates to the technical field of dual redundancy pressure sensor design, in particular to a dual redundancy pressure sensor and a manufacturing method thereof. Background technique [0002] At present, the dual-redundancy pressure sensor is realized by welding two oil-filled cores and the inlet pressure head, and the general product is large in size and high in cost. In addition, during welding, leakage often occurs due to the non-concentric welding position of the oil-filled core and the inlet head, which requires high requirements for the inlet head, welding tool design and welding process. Contents of the invention [0003] Aiming at the problem that the current double-redundancy pressure sensor has a large volume, high cost, high requirements on design and technology, and is prone to poor welding and waste due to inconsistent workpieces, the present invention proposes a double-redundancy pressure sensor and its The manufa...
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IPC IPC(8): G01L1/00B23K26/21
CPCG01L1/00B23K26/21
Inventor 黄平陶捷铠李闯张一强
Owner SUZHOU CHANGFENG AVIATION ELECTRONICS