CN216349331U

CN216349331U - Barometer assembly with shielding structure

Info

Publication number: CN216349331U
Application number: CN202123049146.XU
Authority: CN
Inventors: 刘听; 张�浩; 翁海敏
Original assignee: Shenzhen Border Intelligent Control Technology Co ltd
Current assignee: Shenzhen Border Intelligent Control Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-19
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and discloses a barometer component with a shielding structure, which comprises a PCB (printed circuit board), a GPS (global positioning system) module and a barometer module; the GPS module comprises a GPS module and a GPS shielding case, and the barometer module comprises a barometer module and a barometer shielding case; the GPS module and the barometer module are arranged on the PCB; the GPS shielding cover is covered outside the GPS module and forms a closed cavity, and the GPS shielding cover is fixedly connected with the PCB; the barometer shield cover is arranged outside the barometer module in a covering mode and forms a sealed cavity, and the barometer shield cover is fixedly connected with the PCB. The utility model provides a take shield assembly of barometer of shield assembly is through setting up a barometer shield cover outside barometer and barometer module to barometer shield cover and PCB board fixed connection, barometer shield cover itself is a closed cavity, has saved the design work that increases the cavity on the product shell, can also provide electromagnetic shield effect simultaneously, and can realize the accurate measurement of atmospheric pressure.

Description

Barometer assembly with shielding structure

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a barometer assembly with a shielding structure.

Background

In the current society, unmanned aerial vehicle obtains rapid development and extensive application, and the barometer is as the key part in the unmanned aerial vehicle system, can provide accurate atmospheric pressure information for unmanned aerial vehicle. Among the prior art, need provide a structure cavity for the barometer when specifically using to violent air fluctuation when filtering unmanned aerial vehicle flight. Traditionally, a cavity space is added in a shell when a structural shell is manufactured, and air holes are manufactured. But barometer itself is very little, and special structure cavity has increased the structural design degree of difficulty, and there are other devices in the barometer periphery, can lead to the coverage of structure cavity not good enough, and it is not good to violent air fluctuation's filtration removal effect to have the gap with the periphery, influences the barometer and measures the accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a barometer component with a shielding structure, and aims to solve the problems of complex structural design and air pressure measurement accuracy of a structural cavity of an unmanned aerial vehicle barometer in the prior art.

The utility model is realized in this way, the embodiment of the utility model provides a barometer component with a shielding device, which comprises a PCB (printed circuit board), a base, a GPS (global positioning system) module and a barometer module; the PCB is welded on the base; the GPS module comprises a GPS module and a GPS shielding case, and the barometer module comprises a barometer module and a barometer shielding case; the GPS module and the barometer module are both arranged on the PCB; the GPS shielding cover is covered outside the GPS module and is fixedly connected with the PCB; the barometer shield cover is covered outside the barometer module, and the barometer shield cover is fixedly connected with the PCB.

In one embodiment, the barometer module comprises a barometer and an MCU digital circuit module.

In one embodiment, a welding window is arranged on the PCB, and the barometer shielding cover is welded on the welding window.

In one embodiment, a welding window is arranged on the PCB, a mounting clamping seat is welded and fixed on the welding window, and the barometer shielding cover is mounted on the mounting clamping seat.

In one embodiment, the barometer shield is provided with a vent hole, and the vent hole is arranged on the shield far away from the barometer.

In one embodiment, a ventilation structure is arranged below the ventilation holes, and the ventilation structure is a waterproof ventilation film or foam.

In one embodiment, a base is arranged below the PCB, and the PCB is welded on the base.

In one embodiment, the barometer shield and the GPS shield are made of a metal material.

Compared with the prior art, the barometer subassembly of area shield assembly that the aforesaid provided, through welding the barometer shield cover on the welding windowing of PCB board, perhaps weld the installation cassette on the welding windowing, install the barometer shield cover on the installation cassette again, then set up a bleeder vent on the barometer shield cover far away from the barometer distal end, set up a ventilative structure below the bleeder vent, thereby make the barometer shield cover itself be a closed cavity, save the design work who increases the cavity on the structural component, the barometer shield cover of this, the coverage is enough good, there is not the gap in the periphery, effectual to the filtration of violent air fluctuation, the barometer accuracy is high, the barometer shield cover can also provide electromagnetic shield effect, avoid the digital circuit in the cover to disturb other sensitive circuits, the electromagnetic interference of outside has also been isolated simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

FIG. 1 is a schematic structural diagram of a barometer assembly with a shielding structure according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a portion of a barometer assembly with a shielding structure according to an embodiment of the utility model;

fig. 3 is an exploded schematic structural diagram of a barometer component with a shielding structure according to an embodiment of the utility model.

Reference numerals: 1-PCB board, 2-barometer module, 3-GPS module, 4-base, 31-GPS module, 21-barometer module, 22-barometer shield cover, 32-GPS shield cover, 10-welding windowing, 221-air vent, 211-barometer, 212-MCU digital circuit module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a barometer assembly with a shielding device according to an embodiment of the utility model, and referring to fig. 2 and fig. 3, the barometer assembly with a shielding device according to the embodiment includes a PCB1, a GPS module 3, and a barometer module 2; the GPS module 3 comprises a GPS module 31 and a GPS shielding case 32, and the barometer module 2 comprises a barometer module 21 and a barometer shielding case 22; the GPS module 31 and the barometer module 21 are both arranged on the PCB 1; the GPS shielding cover 32 covers the GPS module 31 to form a closed cavity, and the GPS shielding cover 32 is fixedly connected with the PCB 1; the barometer shielding case 22 covers the barometer module 21 to form a closed cavity, and the barometer shielding case 22 is fixedly connected with the PCB 1.

Above-mentioned a take shield assembly of barometer of shield assembly who provides, through fixing barometer shield 22 on PCB board 1, because barometer shield 22 itself is a closed cavity, consequently saved the design work who increases the cavity on the product shell, and the closed cavity coverability that barometer shield 22 formed is enough good, does not have the gap between messenger's barometer shield 22 and the PCB board 1, can effectively eliminate violent air fluctuation, realizes the accurate measurement of atmospheric pressure.

More specifically, the GPS module 3 includes a GPS module 31 and a GPS shield case 32, the GPS module 31 is disposed on the PCB board 1, and the GPS shield case 32 is disposed outside the GPS module 31 and forms a closed cavity. The GPS module 31 calculates the pseudo distance to each satellite, and calculates the four parameters of longitude, latitude, altitude, and time correction of the receiver by using a distance intersection method, thereby calculating the current location of the device. The GPS shield 32 can provide an electromagnetic shielding effect to prevent electromagnetic radiation from other circuits on the PCB1 from affecting reception of GPS signals in the GPS module 3.

In one embodiment of the present invention, the barometer module 21 includes a barometer 211 and an MCU digital circuit module 212. The barometer shield 22 covers the barometer module 21 to form a closed cavity, and the barometer shield 22 is fixedly connected to the PCB1, it can be understood that the barometer shield 22 covers the barometer 211 and the MCU digital circuit module 212 to form a closed cavity, and the barometer shield 22 is fixedly connected to the PCB 1.

Specifically, the shielding case can provide an electromagnetic shielding effect, so that the barometer shielding case 22 can protect the MCU module 212 inside from external electromagnetic interference, and simultaneously prevent the MCU module 212 inside the barometer shielding case 22 from interfering with other sensitive circuits on the PCB board 1.

In one embodiment of the present invention, a solder window 10 is formed on the PCB board 1, and the barometer shield 22 is soldered to the solder window 10. It can be understood that, by providing a solder window 10 on the PCB board 1, the barometer shield 22 is soldered on the solder window 10, so that the barometer shield 22 is fixedly connected to the PCB board 1.

As an embodiment of the present invention, a welding window 10 is provided on the PCB board 1, a mounting socket is welded and fixed on the welding window 10, and the barometer shield 22 is mounted on the mounting socket. It can be understood that, a welding window 10 is arranged on the PCB board 1, a mounting clamping seat is welded and fixed on the welding window 10, the barometer shielding cover 22 is mounted on the mounting clamping seat, and then the barometer shielding cover 22 is fixedly connected with the PCB board 1 through the mounting clamping seat.

In another embodiment of the present invention, the barometer shield is provided with a vent 221, and the vent 221 is provided on the shield at a distance from the barometer 211. It will be appreciated that the end of the surface of the barometer shield 22 that is relatively short of the linear distance from the barometer is a proximal end, and the end of the surface of the barometer shield 22 that is relatively far from the linear distance from the barometer is a distal end, and thus it can be seen that the vent 221 of the barometer shield 22 is disposed at the end of the surface of the barometer shield 22 that is relatively far from the linear distance from the barometer 211.

In some embodiments, a ventilation structure is arranged below the ventilation holes, and the ventilation structure is a waterproof ventilation film or foam.

Specifically, the ventilation structure is a part for exchanging gas with the outside, the ventilation structure is a waterproof breathable film or foam, the waterproof breathable film or the foam has a waterproof and dustproof effect, and has a protection effect on the barometer 211 and the MCU digital circuit module 212 in the barometer shield 22, so that the safety of the barometer is improved.

In some embodiments, a base 4 is disposed below the PCB board 1, and the PCB board 1 is soldered on the base 4. It can be understood that, by arranging a base 4 under the PCB1, the PCB1 is soldered on the base 4, and the base 4 plays a role of fixing and supporting the PCB 1.

In some embodiments, the barometer shield 22 and the GPS shield 32 are made of a metallic material.

Preferably, the barometer shield 22 and the GPS shield 32 are made of cupronickel, which has excellent properties of high temperature resistance, corrosion resistance, ductility, and fatigue resistance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A barometer component with a shielding structure is characterized by comprising a PCB (printed Circuit Board), a GPS (global positioning System) module and a barometer module; the GPS module comprises a GPS module and a GPS shielding case, and the barometer module comprises a barometer module and a barometer shielding case; the GPS module and the barometer module are both arranged on the PCB; the GPS shielding cover covers the GPS module and forms a closed cavity, and the GPS shielding cover is fixedly connected with the PCB; the barometer shield cover is covered outside the barometer module and forms a sealed cavity, and the barometer shield cover is fixedly connected with the PCB.

2. The barometer assembly of claim 1, wherein the barometer module comprises a barometer and an MCU digital circuit module.

3. The barometer assembly with a shielding structure of claim 1, wherein the PCB is provided with a solder window, and the barometer shield is soldered to the solder window.

4. The barometer assembly with a shielding structure of claim 1, wherein the PCB board is provided with a solder window, the solder window is fixed by soldering with a mounting bracket, and the barometer shielding can is mounted on the mounting bracket.

5. The barometer assembly of claim 1, wherein a vent is disposed on the barometer shield, the vent being disposed on the shield distal to the barometer.

6. The barometer assembly of claim 5, wherein a venting structure is disposed below the vent, wherein the venting structure is a waterproof vent film or foam.

7. The barometer assembly with a shielding structure of claim 1, wherein a base is disposed under the PCB, and the PCB is soldered to the base.

8. The barometer assembly with shielding structure of claim 1, wherein the barometer shield and the GPS shield are made of a metal material.