CN220509113U - Device for monitoring and direction-finding by lift-off radio - Google Patents

Abstract

The utility model provides a lift-off radio monitoring direction-finding device, and belongs to the technical field of radio monitoring direction-finding. The device comprises: the system comprises a monitoring direction-finding unit and a flight unit, wherein the monitoring direction-finding unit is carried on the flight unit; the monitoring direction-finding unit includes: the machine comprises a shell and a machine core circuit arranged on the shell, wherein the shell is detachably connected to the surface of the flying unit, and the power supply end of the machine core circuit is electrically connected with the power supply end of the flying unit. The power supply and the network communication of the monitoring direction-finding unit are directly provided by the flight unit, so that the volume and the weight of the monitoring direction-finding unit can be greatly reduced, the load volume and the load capacity required by the flight unit can be reduced, the flight cost can be reduced, the capacity requirement on operators can be reduced, and the practicability and the carrying convenience of the flight unit and the monitoring direction-finding unit can be improved.

Description

Device for monitoring and direction-finding by lift-off radio

Technical Field

The utility model relates to the technical field of radio monitoring and direction finding, in particular to a lift-off radio monitoring and direction finding device.

Background

With the continuous progress of technology, radio industry is rapidly developed, the current electromagnetic environment is more and more complex, and in order to perform radio management, maintain radio wave order, ensure the safety of radio, strengthen the monitoring of radio, rapidly eliminate interference and ensure the safety of the state and society. Radio management work is a major matter concerning national security and stability, national defense construction, economic development and the like, and radio monitoring direction finding is an important task.

Currently, radio technology is rapidly developed, the application of the radio technology in various industries is continuously deepened, the phenomenon of frequency spectrum resource shortage is gradually highlighted, and the electromagnetic environment is increasingly worsened. At present, a radio monitoring technology platform mainly constructed by a fixed monitoring station, a mobile monitoring device (a vehicle-mounted monitoring facility, a ship-mounted monitoring facility and the like) and portable monitoring equipment shows more and more limitations in daily radio monitoring. With the appearance of new technology and new application, the monitoring mode of carrying the radio monitoring equipment by using the manned fixed wing aircraft and helicopter has obvious effect, and the method has stronger advantages in work. However, fixed wing aircraft and helicopters have relatively high purchase and maintenance costs, and thus have relatively poor popularity and are difficult to popularize on a large scale. For this reason, the development of the radio monitoring technology platform in recent years starts to shift to the field of unmanned aerial vehicles with mature technology and low price.

The wireless monitoring can effectively avoid the adverse factors by using the unmanned aerial vehicle technology to spread in the air, the signal propagation in the air does not generate multipath effect, the signal attenuation is small, the strength ratio of the received monitoring signal to noise ratio is large, the direction-finding positioning accuracy is high, the monitoring range is wide, the investigation range can be reduced, the interference source is positioned, and the wireless monitoring system has good flexibility, maneuverability and low construction cost.

The existing monitoring equipment is large in weight, so that a lift-off platform with high loading capacity is needed, and the lift-off platform is required to be large in size and loading capacity, so that the problems of high flight cost, poor monitoring convenience and the like are solved.

Disclosure of Invention

The utility model aims to provide a lift-off radio monitoring direction finding device, which solves the problems of high flying cost, poor monitoring convenience and the like caused by larger volume and load capacity of a lift-off platform due to larger weight of the existing monitoring equipment

In order to achieve the above object, the present utility model provides a lift-off radio monitoring direction finding device, the device comprising: the system comprises a monitoring direction-finding unit and a flight unit, wherein the monitoring direction-finding unit is carried on the flight unit;

the monitoring direction-finding unit includes: the machine comprises a shell and a machine core circuit arranged on the shell, wherein the shell is detachably connected to the surface of the flying unit, and the power supply end of the machine core circuit is electrically connected with the power supply end of the flying unit.

Preferably, the movement circuit comprises: a signal processing board, an antenna switch matrix board and a communication board;

the antenna switch matrix board is electrically connected with the signal processing board, and the signal processing board is electrically connected with the flying unit through the communication board.

Preferably, the communication board adopts a 4G communication module or a 5G communication module.

Preferably, the outer wall of the shell is provided with a mounting opening, and the communication board is inserted into the mounting opening.

Preferably, the monitoring direction-finding unit further comprises: and the signal end of each antenna is electrically connected with the IO port of the antenna switch matrix board.

Preferably, each antenna comprises a support arm, one end of the support arm is connected to the outer wall of the casing, at least one vibrator is detachably connected to the other end of the support arm, the support arm is of a hollow structure, a radio frequency signal wire is arranged in the support arm in a penetrating mode, one end of the radio frequency signal wire is electrically connected with an IO port of the antenna switch matrix board, and the other end of the radio frequency signal wire is connected with the vibrator.

Preferably, two vibrators are arranged on each support arm, vertical fixing columns are connected to the end parts of the other ends of the support arms, slots are formed in the two ends of each fixing column, each vibrator is inserted into a corresponding slot, and locking screws for fixing the vibrator in the slots are arranged on the outer walls of the fixing columns.

Preferably, each support arm is provided with a plurality of reinforcing ribs.

Preferably, the housing has a streamlined structure.

Preferably, the flying unit is an unmanned plane.

Through the technical scheme, the utility model has at least the following technical effects:

the power supply and the network communication of the monitoring direction-finding unit are directly provided by the flight unit, so that the volume and the weight of the monitoring direction-finding unit can be greatly reduced, the load volume and the load capacity required by the flight unit can be reduced, the flight cost can be reduced, the capacity requirement on operators can be reduced, and the practicability and the carrying convenience of the flight unit and the monitoring direction-finding unit can be improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a lift-off radio monitoring direction finding device provided by one embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of a monitoring direction-finding unit according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of a monitoring direction-finding unit according to an alternative embodiment of the present utility model;

FIG. 4 is a block diagram of a movement circuit provided by one embodiment of the present utility model;

fig. 5 is a schematic cross-sectional view of an antenna according to an embodiment of the present utility model.

Description of the reference numerals

1-a flight unit; 2-monitoring a direction-finding unit;

201-a housing; 202-a communication board; 203-a mounting port; 204-support arms; 205-radio frequency signal line; 206-vibrator; 207-fixing columns; 208-slots; 209-locking screw; 210-reinforcing ribs; 211-connecting lugs; 212-waist-shaped holes.

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 is a schematic overall structure of a lift-off radio monitoring direction-finding device according to an embodiment of the present utility model, and as shown in fig. 1, this embodiment provides a lift-off radio monitoring direction-finding device, which includes: the device comprises a monitoring direction-finding unit 2 and a flight unit 1, wherein the monitoring direction-finding unit 2 is mounted on the flight unit 1;

the monitoring direction-finding unit 2 includes: the chassis 201 and the deck circuit installed on the chassis 201, the chassis 201 can be detachably connected on the surface of the flying unit 1, and the power supply end of the deck circuit is electrically connected with the power supply end of the flying unit 1.

In the embodiment, the flight unit 1 adopts an unmanned aerial vehicle, preferably a large-scale DJI Mini 3Pro standard remote controller version Pro-level Mini aerial unmanned aerial vehicle, and the unmanned aerial vehicle has small size and high flight flexibility; the casing 201 of the monitoring direction-finding unit 2 comprises an upper casing and a lower casing, wherein the upper casing is made of ASA (engineering plastics), the lower casing is made of PC+ABS, the material has good strength and elasticity, and the whole monitoring direction-finding unit 2 is lighter in weight and only 135g in weight.

In this embodiment, the flight unit 1 includes a wing and a bearing platform, and the bearing platform is used for carrying a casing 201 of the monitoring direction-finding unit; the casing 201 may be installed on the front surface of the bearing platform, or may be installed on the back surface of the bearing platform; the casing 201 may also be mounted on the carrying platform in various manners, for example, a clamping connection manner, a bolt connection manner, a welding connection manner, and the like, and the embodiment preferably adopts a bolt connection manner. Namely, connecting lugs 211 are arranged on the outer walls of the two sides of the lower shell, waist-shaped holes 212 are formed in the connecting lugs 211, a plurality of screw holes are formed in a bearing platform of the unmanned aerial vehicle, and the shell 201 is fixed on the flying unit 1 by means of bolts penetrating through the waist-shaped holes 212.

The back of the casing 201 is provided with a connector window, and a power supply of the deck circuit is directly connected through the arranged connector to supply power or transmit data to the deck circuit.

In this embodiment, in order to reduce the resistance of the casing 201 during the flight, the casing 201 has a streamline structure, for example, the casing 201 has a shape similar to that of a mouse, and the casing 201 has a shape that is convenient to carry and has low wind resistance.

In this embodiment, since the power of the monitoring direction-finding unit 2 is provided by the flight unit 1, the monitoring direction-finding unit 2 does not need to carry a battery, so that the volume and weight of the monitoring direction-finding unit 2 can be greatly reduced; when the weight and the volume of the monitoring direction-finding unit 2 are smaller, the load volume and the load capacity required by the flight unit 1 can be greatly reduced, so that the production cost of the flight unit 1 is reduced, the flight power consumption and the flight cost are reduced, and secondly, the flight unit can be remotely operated, and the capacity requirement on an operator is reduced; the flight unit 1 and the monitoring direction-finding unit 2 are convenient to carry, and the practicability and convenience of the radio monitoring direction-finding device of the embodiment are improved.

As a further optimization of this embodiment, as shown in fig. 4, the cartridge circuit includes: a signal processing board, an antenna switch matrix board, and a communication board 202;

the antenna switch matrix board is electrically connected with the signal processing board, the signal processing board is electrically connected with the flying unit 1 through the communication board 202, and the power input end of the signal processing board is connected with the power output end of the flying unit, so that the flying unit can provide working power for the movement circuit, and the size and weight of the movement circuit are reduced.

In this embodiment, the communication board 202 is a 4G communication module or a 5G communication module, and the type of the communication board 202 can be changed according to actual requirements; the signal processing board can adopt TI C6678 signal processing boards MG5101, DM 8168 main control board and the like, and the antenna switch matrix board can adopt TN801 detection antenna switch matrix module; the specific circuits of the signal processing board, the antenna switch matrix board and the communication board 202 adopt the existing circuit modules, so the specific circuits of the above modules are not excessively detailed in the present embodiment; wherein, the signal processing board and the antenna switch matrix board are directly installed inside the casing 201, and the communication board 202 is installed on the outer wall of the casing 201.

Specifically, the outer wall of the casing 201 is provided with a mounting opening 203, and the communication board 202 is inserted into the mounting opening 203, so as to facilitate the replacement operation of the communication board 202.

Secondly, in order to improve the installation stability and reliability of the communication board 202, an elastic sheet is arranged at the bottom of the installation opening 203, after the communication board 202 is inserted into the installation opening, the communication board 202 is gripped in the installation opening 203 under the elastic force of the elastic sheet, and the fastening effect on the communication board 202 can be achieved, so that the communication board 202 cannot fall off in the movement process; when the communication board 202 needs to be replaced, the communication board 202 can be pulled out after a certain pulling force is applied to the communication board 202.

As a further optimization of this embodiment, as shown in fig. 2 and 3, the monitoring direction-finding unit 2 further includes: at least one antenna, each mounted on the outer wall of the casing 201, in this embodiment, one antenna may be provided, for example, fig. 3, mainly provided on the head (right in front) of the casing 201, and when one antenna is provided, it may be used for monitoring of radio signals; the number of the measuring antennas can be 5, and the plurality of the measuring antennas can form a direction-finding antenna array, so that the measuring antennas can be used for monitoring radio signals and also can be used for direction finding of the radio signals; for example, in fig. 2, one is mainly provided at the head (right front) of the cabinet 201, and two are provided at both sides of the cabinet 201, respectively; the number of the antennas can be flexibly selected according to actual requirements; each antenna is in an inclined state, the inclined angle of the antenna is 30-60 degrees with the included angle formed by the horizontal plane, the antenna is in an inclined arrangement, the collision between the oscillator 206 of the antenna and the wing blade of the flying unit 1 can be avoided, the length of the antenna is convenient to adjust, and the signal end of each antenna is electrically connected with the IO port of the antenna switch matrix board.

Specifically, each antenna includes a support arm 204, one end of the support arm 204 is connected to the outer wall of the casing 201, at least one oscillator 206 is detachably connected to the other end of the support arm 204, the support arm 204 is of a hollow structure, a radio frequency signal wire 205 is arranged in the support arm 204 in a penetrating manner, one end of the radio frequency signal wire is electrically connected to the IO port of the antenna switch matrix board, and the other end of the radio frequency signal wire is connected to the oscillator 206.

In this embodiment, the support arm 204 is in an inclined state, that is, an included angle formed by an axis of the support arm 204 and a horizontal plane is 30 ° to 60 °, and the vibrator 206 may be in a vertical state with the support arm 204, that is, may be in a vertical state perpendicular to the horizontal plane, and the vibrator 206 in this embodiment is preferably in a vertical state.

In this embodiment, the vibrators 206 are aluminum tubes, silver plating is performed outside the aluminum tubes, two vibrators 206 are disposed on each support arm 204, and when the flying unit 1 is kept to fly horizontally, each vibrator 206 is in a vertical state, so that the radio frequency signal receiving range of the vibrator 206 is increased.

In order to facilitate the assembly and disassembly of the vibrators 206, as shown in fig. 5, two vibrators 206 are arranged on each support arm 204, vertical fixing columns 207 are connected to the end parts of the other ends of the support arms 204, slots 208 are respectively arranged at the two ends of the fixing columns 207, each vibrator 206 is inserted into the corresponding slot 208, locking screws 209 for fixing the vibrator 206 in the slot 208 are arranged on the outer wall of the fixing column 207, the vibrator 206 can be fixed by tightening the locking screws 209, the vibrator 206 can be disassembled by loosening the locking screws 209, and the vibrator 206 is convenient to carry the monitoring direction-finding unit 2 after being disassembled; meanwhile, a limiting hole can be formed in the outer wall of the vibrator 206, after the locking screw 209 is screwed, the locking screw 209 is inserted into the limiting hole, and the vibrator 206 can be effectively prevented from falling off in the flying process.

As a further optimization of this embodiment, since the support arms 204 are in a tubule structure, the support arms 204 generally need to have a longer length, and in order to improve the supporting strength of the support arms 204, a plurality of reinforcing ribs 210 are provided on each support arm 204, preferably 4 reinforcing ribs 210 are provided, and are distributed at equal intervals along the circumferential direction of the support arms 204; in order to make the support arm 204 have a light weight and a high strength, the width of each reinforcing rib 210 is gradually increased along the direction approaching the cabinet 201, thereby improving the support strength of the support arm 204.

In this embodiment, in order to increase the strength of the fixing post 207, a reinforcing structure, such as a reinforcing rib, may be provided on the outer wall of the fixing post 207.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (10)

1. An apparatus for lift-off radio monitoring direction finding, the apparatus comprising: the system comprises a monitoring direction-finding unit (2) and a flight unit (1), wherein the monitoring direction-finding unit (2) is mounted on the flight unit (1);

the monitoring direction-finding unit (2) comprises: the device comprises a machine shell (201) and a machine core circuit arranged on the machine shell (201), wherein the machine shell (201) is detachably connected to the surface of the flying unit (1), and a power supply end of the machine core circuit is electrically connected with a power supply end of the flying unit (1).

2. The lift-off radio monitoring direction finding device of claim 1, wherein the deck circuit comprises: a signal processing board, an antenna switch matrix board and a communication board (202);

the antenna switch matrix board is electrically connected with the signal processing board, and the signal processing board is electrically connected with the flying unit (1) through the communication board (202).

3. The lift-off radio monitoring direction finding device of claim 2 wherein the communication board (202) employs a 4G communication module or a 5G communication module.

4. The lift-off radio monitoring direction finding device according to claim 2, characterized in that the outer wall of the housing (201) is provided with a mounting opening (203), and the communication board (202) is inserted into the mounting opening (203).

5. The lift-off radio monitoring direction finding device according to claim 2, characterized in that the monitoring direction finding unit (2) further comprises: and each antenna is arranged on the outer wall of the shell (201), each antenna is in an inclined state, and the signal end of each antenna is electrically connected with the IO port of the antenna switch matrix board.

6. The lift-off radio monitoring direction finding device according to claim 5, wherein each antenna comprises a support arm (204), one end of the support arm (204) is connected to the outer wall of the casing (201), at least one vibrator (206) is detachably connected to the other end of the support arm (204), the support arm (204) is of a hollow structure, a radio frequency signal wire (205) is arranged in the support arm (204) in a penetrating manner, one end of the radio frequency signal wire (205) is electrically connected with an IO port of the antenna switch matrix board, and the other end of the radio frequency signal wire is connected with the vibrator (206).

7. The lift-off radio monitoring direction finding device according to claim 6, wherein two vibrators (206) are arranged on each support arm (204), vertical fixing columns (207) are connected to the end portions of the other ends of the support arms (204), slots (208) are formed in two ends of each fixing column (207), each vibrator (206) is inserted into the corresponding slot (208), and locking screws (209) for fixing the vibrator (206) in the slots (208) are arranged on the outer wall of each fixing column (207).

8. The lift-off radio monitoring direction finding device of claim 6 wherein a plurality of ribs (210) are provided on each arm (204).

9. The lift-off radio monitoring direction finding device of any one of claims 1-8 wherein the housing (201) is of streamlined configuration.

10. The lift-off radio monitoring direction finding device according to any of claims 1-8, characterized in that the flying unit (1) employs an unmanned aerial vehicle.