CN-122015929-A - Atmospheric measurement structure

Abstract

The invention provides an atmosphere measurement structure which comprises an equipment shell, a multilayer circuit board, a plurality of sensor modules, an external air channel interface and an external electric interface, wherein the multilayer circuit board is arranged in the equipment shell, a socket connected with the sensor modules is arranged on the multilayer circuit board, the sensor modules comprise a sensor body and an information processing board, the sensor modules are packaged in a metal shielding shell and are respectively arranged on different layers of the multilayer circuit board through the socket, and the multilayer circuit boards are communicated with each other in a standard row-plug mode. The invention solves the defects of the existing equipment in the aspects of heat dissipation, electromagnetic compatibility, production and maintenance convenience by optimizing the mechanical structure, hardware layout and connection mode.

Inventors

• SUN HONGPU
• CHU XIANYING
• KANG HONGLIN
• WU NINGNING
• SUN RUOLIN
• XIE GUANGYUAN
• WEN HAO

Assignees

• 空天科技发展(河北雄安)有限责任公司

Dates

Publication Date

20260512

Application Date

20251231

Claims (9)

1. 1. The atmosphere measuring structure is characterized by comprising an equipment shell, a multilayer circuit board, a plurality of sensor modules, an external gas circuit interface and an external electric interface; the multi-layer circuit board is arranged in the equipment shell, the multi-layer circuit board is provided with a socket connected with the sensor module, the sensor module comprises a sensor body and an information processing board, the sensor module is packaged in the metal shielding shell, the sensor body and the information processing board are respectively arranged on different layers of the multi-layer circuit board through the socket, and the multi-layer circuit boards are mutually communicated in a standard socket arrangement mode.
2. 2. The atmospheric measurement structure of claim 1, wherein the equipment housing is of a split-type and modularized structure, and comprises an upper shell, a lower shell, an upper cover plate and a lower cover plate, and a test cover plate for debugging is arranged on the upper cover plate.
3. 3. The atmospheric measurement structure of claim 2, wherein the upper and lower housings are each provided with a support for mounting the multi-layer circuit board, and the multi-layer circuit board is connected to the upper and lower housings, respectively, and then the upper and lower housings are butted together during assembly.
4. 4. The atmospheric measurement structure of claim 3, wherein the device housing is integrally provided with an integrally formed mounting lug at the bottom of the lower housing, and the integrally formed mounting lug is screwed to the mounting environment to form an anti-slip protrusion structure in the hollow of the device housing.
5. 5. The atmospheric measurement structure of claim 4, wherein the multi-layered circuit board is a layered stacked modular internal structure, the multi-layered circuit board is respectively fixed on the upper housing and the lower housing, and the circuit board is integrated with a microprocessor, a communication chip, a field programmable gate array and a power module.
6. 6. The atmospheric measurement structure of claim 5, wherein the sensor module is plate-type, the sensor housing is made of metal, the bottom of the sensor module is connected to an information processing board of the sensor module, and the information processing board transmits original electric signals to the multilayer circuit board through a standardized socket after signal acquisition and preliminary processing are completed.
7. 7. The atmospheric measurement structure of claim 6, wherein the external air path interface and the external electrical interface are fixedly arranged on the equipment shell and are connected with the multi-layer circuit board through the row plug interface.
8. 8. The atmospheric measurement structure of claim 6, wherein the external air passage interface is a standard air passage interface, the external interface of the standard air passage interface is a conical surface joint, the internal interface is a pagoda head air passage interface, and the external air passage interface is connected with the sensor body through a flexible hose.
9. 9. The atmospheric measurement structure of claim 8, wherein the flexible hose is a silicone rubber hose and the external electrical interface is a standard electrical interface that is error-proof.

Description

Atmospheric measurement structure Technical Field The invention relates to an atmosphere measuring structure, in particular to an atmosphere measuring structure design which has low cost and high reliability and is convenient for mass production and maintenance, and belongs to the technical field of aerospace. Background The atmospheric measurement system is an indispensable important component of the aircraft guidance control system, and can ensure that the aircraft acquires the real airspeed, the real attack angle and the sideslip angle in real time in the flight process, thereby ensuring the stable control of the attitude and the track of the aircraft. The existing atmospheric measurement system has the following problems in structure: 1. The internal layout is disordered, the internal components and equipment are densely distributed in a narrow space, and the influence of heat generation is large, so that the service life of the components is shortened; 2. the sensor and the structure are highly integrated, the traditional pressure sensor is cylindrical, and is fixed on the equipment shell in a threaded or welded mode, so that the maintenance and replacement cost is high; 3. the traditional atmospheric measurement system is not standard in structural design and is difficult to carry out batch production. These structural imperfections directly affect the long-term stability of the atmospheric measurement system, increasing the maintenance costs of the full life cycle, and compromising the "low cost" advantage. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide an atmosphere measuring structure which has low cost and high reliability and is convenient for mass production and maintenance. The technical scheme of the invention is that the atmospheric measurement structure is characterized by comprising an equipment shell, a multilayer circuit board, a plurality of sensor modules, an external gas circuit interface and an external electric interface; the multi-layer circuit board is arranged in the equipment shell, the multi-layer circuit board is provided with a socket connected with the sensor module, the sensor module comprises a sensor body and an information processing board, the sensor module is packaged in the metal shielding shell, the sensor body and the information processing board are respectively arranged on different layers of the multi-layer circuit board through the socket, and the multi-layer circuit boards are mutually communicated in a standard socket arrangement mode. Compared with the prior art, the invention has the beneficial effects that: (1) The invention solves the defects of the existing equipment in the aspects of heat dissipation, electromagnetic compatibility, production and maintenance convenience by optimizing the mechanical structure, hardware layout and connection mode; (2) According to the invention, the heat dissipation and electromagnetic compatibility are optimized, the heat accumulation of components of the circuit board is effectively reduced, the service life of the components is prolonged, and the sensor module is designed through the metal shielding shell, so that the data accuracy is effectively improved; (3) The invention reduces the production and maintenance costs, greatly reduces the fault maintenance cost and time by the design of replaceable sensors and layered installation of the multi-layer circuit board, is convenient for automatic assembly and reduces the production cost; (4) The invention enhances the flexibility of deployment, and the simple installation mode and compact structural design are that the equipment can be flexibly deployed in various narrow spaces, so that a user has higher degree of freedom when selecting products (5) The invention realizes the efficient assembly and electromagnetic compatibility of the system, is convenient for production and maintenance and long-term stable operation, and obviously reduces the manufacturing cost, the assembly complexity and the maintenance cost of the system on a hardware level. Drawings FIG. 1 is an isometric view of an embodiment of the present invention; FIG. 2 is a cross-sectional view of a device housing according to an embodiment of the present invention; FIG. 3 is a side view of a sensor module coupled to a multi-layer circuit board in accordance with an embodiment of the present invention; FIG. 4 is a cross-sectional view of a sensor module coupled to an external air circuit in accordance with an embodiment of the present invention. Detailed Description The invention provides an atmosphere measuring structure, as shown in fig. 1, which comprises an equipment shell, a multi-layer circuit board, a plurality of sensor modules, an external air channel interface and an external electrical interface. The multi-layer circuit board is arranged in the equipment shell, the multi-layer circuit board is provided with a socket connected with the sensor module, the s