CN215494174U

CN215494174U - High-precision aviation electromagnetic signal acquisition device

Info

Publication number: CN215494174U
Application number: CN202121827929.3U
Authority: CN
Inventors: 王绪本; 李小甲; 高嵩; 王向鹏
Original assignee: Xiaojia Digital Technology Chengdu Co ltd; Chengdu Univeristy of Technology
Current assignee: Xiaojia Digital Technology Chengdu Co ltd; Chengdu Univeristy of Technology
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-11
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a high-precision aviation electromagnetic signal acquisition device which comprises a mounting bracket, wherein a signal acquisition device and a plurality of signal receivers are fixed on the mounting bracket; the mounting bracket comprises a mounting plate, a connecting column is fixedly connected to the mounting plate, a supporting plate is fixedly connected to the top end of the connecting column, an upright post is rotatably connected to the supporting plate, and a fixing disc is hinged to the top end of the upright post; an angle adjusting part and a height adjusting part are mounted on the supporting plate, the height adjusting part is fixed at the top end of the angle adjusting part, and one end of the height adjusting part, which is far away from the angle adjusting part, is hinged with one end of the fixed disc; the signal receiver and the signal collector are fixed on the fixed disc and are electrically connected. The utility model is beneficial to receiving electromagnetic signals by adjusting the orientation of the fixed disc, and ensures the strength and accuracy of the electromagnetic signals. The utility model has reasonable structural design, low production and processing cost, convenient and reliable use and is suitable for popularization and use.

Description

High-precision aviation electromagnetic signal acquisition device

Technical Field

The utility model relates to the technical field of electronics, in particular to a high-precision aviation electromagnetic signal acquisition device.

Background

The aviation electromagnetic signal is commonly used for railway road engineering route selection investigation, mineral resource investigation, pollution investigation and the like, is usually hoisted by a helicopter, can rapidly and efficiently carry out large-area exploration work, and in order to accurately judge the terrain and reduce the occurrence of error rate, the received electromagnetic wave needs to be converted into an image, so that the observation and the research of workers are facilitated.

In practical engineering applications, electromagnetic wave signals are very complex, and a signal receiving device is often needed to accurately acquire the electromagnetic wave signals. However, the existing signal acquisition device has a complex structure and is difficult to move and rotate, and the requirement of modern signal acquisition cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision aviation electromagnetic signal acquisition device to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a high-precision aviation electromagnetic signal acquisition device which comprises a mounting bracket, wherein a signal acquisition device and a plurality of signal receivers are fixed on the mounting bracket; the mounting bracket comprises a mounting plate, a connecting column is fixedly connected to the mounting plate, a supporting plate is fixedly connected to the top end of the connecting column, an upright column is rotatably connected to the supporting plate, and a fixed disc is hinged to the top end of the upright column; an angle adjusting part and a height adjusting part are mounted on the supporting plate, the height adjusting part is fixed at the top end of the angle adjusting part, and one end of the height adjusting part, which is far away from the angle adjusting part, is hinged with one end of the fixed disc; the signal receiver and the signal collector are fixed on the fixed disc, and the signal receiver is electrically connected with the signal collector.

Preferably, the angle adjusting part comprises an annular rack, an annular groove is formed in the top end of the supporting plate, the annular groove and the upright post are coaxially arranged, the annular rack is arranged in the annular groove, and the annular rack is in sliding fit with the supporting plate; the bottom end of the supporting plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a gear, an opening is formed in the bottom of the annular groove, and the gear is meshed with the annular rack through the opening; the height adjusting part is fixed at the top end of the annular rack.

Preferably, hanging parts are arranged on two sides of the annular groove, each hanging part comprises a connecting support fixedly connected to the corresponding supporting plate, a sliding head is fixedly connected to the tail end of each connecting support, two annular sliding rails are fixedly connected to the annular rack, and the sliding heads are connected with the annular sliding rails in a sliding manner; the annular rack is in clearance fit with the inner wall of the annular groove.

Preferably, the height adjusting part is an electric telescopic rod.

Preferably, a limiting groove is formed in the middle of the top end of the supporting plate, a rotating shaft is fixedly connected to the top end of the connecting column, the top end of the rotating shaft penetrates through the supporting plate and is located in the limiting groove, an inserting groove is formed in the bottom end of the upright column, and the rotating shaft is inserted in the inserting groove; the stand bottom fixedly connected with limiting plate, the limiting plate with spacing groove sliding connection, the stand pass through the limiting plate with the spacing cooperation of backup pad.

Preferably, stand top bilateral symmetry fixedly connected with articulated shaft, the cover is equipped with on the articulated shaft the connecting plate, the connecting plate with fixed disc bottom fixed connection.

Preferably, the signal receiver is fixed one side that the stand is kept away from to fixed disc, the signal collector is fixed one side that the signal receiver is kept away from to fixed disc, just the signal collector sets up the backup pad is kept away from the one end of height control portion.

Preferably, a plurality of the signal receivers are annularly distributed on the feeler lever fixing disc, and the distances between two adjacent signal receivers are the same.

The utility model discloses the following technical effects: the high-precision aviation electromagnetic signal acquisition device provided by the utility model is convenient for adjusting the azimuth orientation of the fixed disc, is beneficial to receiving electromagnetic signals, and ensures the strength and the precision of the electromagnetic signals. The utility model has reasonable structural design, low production and processing cost, convenient and reliable use and is suitable for popularization and use.

Drawings

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

FIG. 1 is a schematic structural diagram of a high-precision aviation electromagnetic signal acquisition device according to the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

the device comprises a signal collector-1, a signal receiver-2, a mounting plate-3, a connecting column-4, a supporting plate-5, an upright column-6, a fixed disc-7, an annular rack-8, an annular groove-9, a motor-10, a gear-11, a connecting bracket-12, a sliding head-13, an annular sliding rail-14, an electric telescopic rod-15, a rotating shaft-16, an insertion groove-17, a limiting plate-18, a hinge shaft-19 and a connecting plate-20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The utility model provides a high-precision aviation electromagnetic signal acquisition device, which comprises a mounting bracket, wherein a signal acquisition device 1 and a plurality of signal receivers 2 are fixed on the mounting bracket; the mounting bracket comprises a mounting plate 3, a connecting column 4 is fixedly connected to the mounting plate 3, a supporting plate 5 is fixedly connected to the top end of the connecting column 4, an upright post 6 is rotatably connected to the supporting plate 5, a fixed disc 7 is arranged at the top end of the upright post 6, hinge shafts 19 are symmetrically and fixedly connected to two sides of the top of the upright post 6, a connecting plate 20 is sleeved on each hinge shaft 19, the connecting plate 20 is fixedly connected to the bottom end of the fixed disc 7, and the fixed disc 7 is hinged to the upright post 6 through the connecting plate 20 and the hinge shafts 19; an angle adjusting part and an electric telescopic rod 15 are arranged on the supporting plate 5, the electric telescopic rod 15 is fixed at the top end of the angle adjusting part, and one end, far away from the angle adjusting part, of the electric telescopic rod 15 is hinged with one end of the fixed disc 7; the signal receiver 2 is fixed on one side of the fixed disc 7 far away from the stand column 6, the signal collector 1 is fixed on one side of the fixed disc 7 far away from the signal receiver 2, the signal collector 1 is arranged at one end of the supporting plate 5 far away from the height adjusting part, and the signal receiver 2 is electrically connected with the signal collector 1.

Furthermore, in order to conveniently adjust the orientation of the fixed disc 7 to realize accurate acquisition of electromagnetic wave signals, the angle adjusting part comprises an annular rack 8, the top end of the support plate 5 is provided with an annular groove 9, the annular groove 9 is coaxially arranged with the upright post 6, the annular rack 8 is arranged in the annular groove 9, and the annular rack 8 is in sliding fit with the support plate 5; the bottom end of the supporting plate 5 is fixedly connected with a motor 10, an output shaft of the motor 10 is fixedly connected with a gear 11, the bottom of the annular groove 9 is provided with an opening, and the gear 11 is meshed with the annular rack 8 through the opening; the height adjusting part is fixed at the top end of the annular rack 8.

Furthermore, in order to reduce the friction force between the annular rack 8 and the support plate 5 and facilitate the driving of the annular rack 8, four groups of suspension devices are mounted on the support plate 5, each group of suspension device comprises two suspension members, the two suspension members are respectively arranged at two sides of the annular groove 9, the suspension members comprise a connecting bracket 12 fixedly connected to the support plate 5, the tail end of the connecting bracket 12 is fixedly connected with a sliding head 13, two annular slide rails 14 are fixedly connected to the annular rack 8, and the sliding head 13 is slidably connected with the annular slide rails 14; the annular rack 8 is in clearance fit with the inner wall of the annular groove 9.

Furthermore, in order to avoid the upright post 6 from tilting under the influence of the fixed disc 7 in the rotating process and further influencing the normal rotation of the upright post 6, a limit groove is formed in the middle of the top end of the support plate 5, a rotating shaft 16 is fixedly connected to the top end of the connecting post 4, the top end of the rotating shaft 16 penetrates through the support plate 5 and is positioned in the limit groove, an inserting groove 17 is formed in the bottom end of the upright post 6, and the rotating shaft 16 is inserted in the inserting groove 17; the limiting plate 18 is fixedly connected to the bottom end of the upright 6, the limiting plate 18 is connected with the limiting groove in a sliding mode, and the upright 6 is in limiting fit with the supporting plate 5 through the limiting plate 18.

Furthermore, in order to ensure the receiving strength and the receiving precision of electromagnetic signals, the number of the signal receivers 2 is not less than three, the signal receivers 2 are annularly distributed on the feeler lever fixing disc 7, and the distance between two adjacent signal receivers 2 is the same.

When the high-precision aviation electromagnetic signal acquisition device provided by the utility model is used, the mounting plate 3 is mounted at a specified position of a helicopter by using bolts through bolt holes formed in the mounting plate 3. When utilizing signal receiver 2 to receive electromagnetic signal, for guaranteeing electromagnetic signal's reception quality, need continuous adjustment signal receiver 2's orientation, at this moment, control motor 10 starts, utilize motor 10 to drive gear 11 and rotate, annular rack 8 uses stand 6 to rotate as the axle center under gear 11's effect, thereby utilize electric telescopic handle 15 to drive fixed disc 7 and take place the position and move, because fixed disc 7 can only carry out the swing of upper and lower direction for stand 6, stand 6 rotates and connects in backup pad 5, consequently stand 6 also can rotate under fixed disc 7's effect. Therefore, the fixed disc 7 can be adjusted in the upward direction, and meanwhile, the receiving quality of the electromagnetic signals can be ensured by controlling the telescopic length of the electric telescopic rod 15, and the high accuracy of the electromagnetic signals is ensured.

And stand 6 is at the rotation in-process, and stand 6 can not break away from backup pad 5 under the effect of limiting plate 18, and through the setting of pivot 16, can avoid stand 6 to take place the slope moreover, can ensure that stand 6 can normally rotate on backup pad 5, avoids the aviation electromagnetic signal collection system after installing the helicopter, because the unable normal use condition of device that the flight operation of helicopter leads to.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A high-precision aviation electromagnetic signal acquisition device is characterized by comprising a mounting bracket, wherein a signal acquisition device (1) and a plurality of signal receivers (2) are fixed on the mounting bracket; the mounting bracket comprises a mounting plate (3), a connecting column (4) is fixedly connected to the mounting plate (3), a supporting plate (5) is fixedly connected to the top end of the connecting column (4), an upright column (6) is rotatably connected to the supporting plate (5), and a fixed disc (7) is hinged to the top end of the upright column (6); an angle adjusting part and a height adjusting part are mounted on the supporting plate (5), the height adjusting part is fixed at the top end of the angle adjusting part, and one end, far away from the angle adjusting part, of the height adjusting part is hinged with one end of the fixed disc (7); the signal receiver (2) and the signal collector (1) are fixed on the fixed disc (7), and the signal receiver (2) is electrically connected with the signal collector (1).

2. The high-precision aviation electromagnetic signal acquisition device as claimed in claim 1, wherein the angle adjustment portion comprises an annular rack (8), an annular groove (9) is formed in the top end of the support plate (5), the annular groove (9) is coaxially arranged with the upright post (6), the annular rack (8) is arranged in the annular groove (9), and the annular rack (8) is in sliding fit with the support plate (5); the bottom end of the supporting plate (5) is fixedly connected with a motor (10), an output shaft of the motor (10) is fixedly connected with a gear (11), the bottom of the annular groove (9) is provided with an opening, and the gear (11) is meshed with the annular rack (8) through the opening; the height adjusting part is fixed at the top end of the annular rack (8).

3. The high-precision aviation electromagnetic signal acquisition device according to claim 2, wherein suspension members are arranged on both sides of the annular groove (9), the suspension members comprise a connecting bracket (12) fixedly connected to the support plate (5), a sliding head (13) is fixedly connected to the end of the connecting bracket (12), two annular sliding rails (14) are fixedly connected to the annular rack (8), and the sliding head (13) is slidably connected to the annular sliding rails (14); the annular rack (8) is in clearance fit with the inner wall of the annular groove (9).

4. A high accuracy airborne electromagnetic signal collection device according to claim 1, characterized in that said height adjustment section is an electric telescopic rod (15).

5. The high-precision aviation electromagnetic signal acquisition device according to claim 1, wherein a limiting groove is formed in the middle of the top end of the support plate (5), a rotating shaft (16) is fixedly connected to the top end of the connecting column (4), the top end of the rotating shaft (16) penetrates through the support plate (5) and is located in the limiting groove, an insertion groove (17) is formed in the bottom end of the upright post (6), and the rotating shaft (16) is inserted in the insertion groove (17); the supporting structure is characterized in that a limiting plate (18) is fixedly connected to the bottom end of the upright post (6), the limiting plate (18) is in sliding connection with the limiting groove, and the upright post (6) is in limiting fit with the supporting plate (5) through the limiting plate (18).

6. The high-precision aviation electromagnetic signal acquisition device as claimed in claim 1, wherein hinged shafts (19) are symmetrically and fixedly connected to two sides of the top of the upright column (6), a connecting plate (20) is sleeved on each hinged shaft (19), and each connecting plate (20) is fixedly connected with the bottom end of the corresponding fixed disc (7).

7. The high-precision aviation electromagnetic signal acquisition device according to claim 1, wherein the signal receiver (2) is fixed on one side of the fixed disc (7) far away from the upright post (6), the signal collector (1) is fixed on one side of the fixed disc (7) far away from the signal receiver (2), and the signal collector (1) is arranged at one end of the supporting plate (5) far away from the height adjusting part.

8. The high-precision aviation electromagnetic signal acquisition device according to claim 7, wherein a plurality of signal receivers (2) are annularly distributed on the feeler lever fixing disc (7), and the distances between two adjacent signal receivers (2) are the same.