CN217846662U

CN217846662U - Receiver device for semi-aviation transient electromagnetism

Info

Publication number: CN217846662U
Application number: CN202222180046.9U
Authority: CN
Inventors: 王永豪; 武振鹏; 夏济根; 杨艳军; 路艳齐
Original assignee: China Institute of Radio Wave Propagation CETC 22 Research Institute
Current assignee: China Institute of Radio Wave Propagation CETC 22 Research Institute
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-18
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a receiver device for half aviation transition electromagnetism, including the carbon fiber tube, both sides at the carbon fiber tube set up left end lid and right-hand member lid respectively, it is sealed through the sealing washer respectively between left end lid and right-hand member lid and the carbon fiber tube, hold two and fold the circuit board in the carbon fiber tube, one of them pile of circuit board passes through rubber shock absorber and fixes on the left end lid, another pile of circuit board passes through rubber shock absorber and fixes on the right-hand member is covered, and pack into the damping sponge piece at the cavity of circuit board and carbon fiber tube, still install GPS antenna and pilot lamp on the left end lid in addition, the right-hand member is covered installation net gape and power supply socket. The utility model discloses a receiver device, casing adopt light in weight, the high carbon fiber tube of intensity, and left and right end lid adopts the nylon materials, under the prerequisite that satisfies the intensity requirement, can effectively alleviate complete machine weight, guarantees that unmanned aerial vehicle duration is longer.

Description

Receiver device for semi-aviation transient electromagnetism

Technical Field

The utility model relates to a geophysical surveys the field, specific theory relates to a receiver device that is used for semi-aviation transition electromagnetism in this field.

Background

Along with the increasing demand of human beings on mineral resources, and the complex geographical environment of most mining areas, mostly unmanned areas and dense vegetation severely restrict the exploration and development of mineral resources, and along with the rapid development of electronic technology, the semi-aviation transient electromagnetic method becomes an advanced exploration means, has high working efficiency and is not limited by complex terrain.

The semi-aviation transient electromagnetic method adopts a mode of ground high-power transmission and low-altitude receiving system rapid acquisition to acquire transient electromagnetic signals; the method overcomes the defects that the ground transient electromagnetic method is greatly influenced by the environment and has low working efficiency, solves the problems of small detection depth and low signal to noise ratio of the aviation transient electromagnetic method, is suitable for mineral resource detection in complex environments such as swamps and mountains, and the like, and therefore, the development of the research of the semi-aviation transient electromagnetic system has important significance for the mountain area exploration with complex terrain in China.

The semi-aviation electromagnetic method mainly comprises a ground high-power transmitting system and a low-altitude receiving system, wherein the low-altitude receiving system comprises an unmanned aerial vehicle, a receiver and a coil, the semi-aviation transient receiver is an important component of the receiving system, and the weight, the strength and the appearance structure of the semi-aviation transient receiver are important for the flight time and the test efficiency of the unmanned aerial vehicle.

Among the present prior art scheme, the receiver device adopts all metal to make more, adopts steel sheet processing usually, causes weight heavier for unmanned aerial vehicle flight time is shorter, and is sealed in addition also not good with the shock attenuation effect, even if adopt the aluminum product a bit, intensity is on the low side, in case the accident appears, and unmanned aerial vehicle falls and just can cause the damage of receiver internal circuit board device, influences efficiency of software testing.

At present, semi-aviation transient electromagnetic detection system research is comparatively ripe has the ji lin university, the university of the capital reason worker etc, current electromagnetic receiver all adopts the structural style of box body, the material generally is the aluminum alloy, its structure is as shown in figure 1, adopt the form of structure equipment, mainly include back shroud 1, casing 2, front shroud 3, antenna 6, communication socket 4, USB interface 5, charging socket 7 etc, structural style is simple, the design has the trompil of unmanned aerial vehicle hoist and mount when making things convenient for the test on the apron around.

In the prior art, the receiver device is basically processed by thin plates in order to reduce the weight, and the following problems can be caused: 1. the sealing property is not good. When meeting the rain, front and back apron and grafting department do not carry out waterproof design, cause inside components and parts to become invalid easily, even if carry out the rubber coating when the installation and handle, nevertheless also can cause inconvenience to the maintenance dismantlement. 2. The weight is too heavy. The existing receiver structure is made of metal materials, so that the whole weight is too heavy, the endurance time of the unmanned aerial vehicle is short, and the testing efficiency is influenced. 3. The shock absorbing performance is poor. The shell, the front cover plate, the rear cover plate and the internal circuit board are all in hard connection through screws, the shock absorption design is not carried out, and the receiver shell is easy to cause damage to internal components when colliding or falling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a receiver device that the leakproofness is good, light in weight, shock attenuation nature are good is provided, the problem of present receiver device can effectively be solved.

In order to solve the technical problem, the utility model adopts the following technical scheme:

in a receiver apparatus for semi-airborne transient electromagnetic, the improvement comprising: including the carbon fiber pipe, both sides at the carbon fiber pipe set up left end lid and right-hand member lid respectively, it is sealed through the sealing washer respectively between left end lid and right-hand member lid and the carbon fiber pipe, hold two pile circuit boards at the intraductal carbon fiber, one of them pile circuit board passes through rubber shock absorber to be fixed on the left end lid, another pile circuit board passes through rubber shock absorber to be fixed on the right-hand member lid, and pack into the damping sponge piece at the hollow part of circuit board and carbon fiber pipe, still install GPS antenna and pilot lamp on the left end lid in addition, install net gape and power supply socket on the right-hand member lid.

Further, four lug structures are arranged along the circumferential direction of the left end cover and the right end cover respectively.

Furthermore, the left end cover and the right end cover are fixed on the carbon fiber tube through fixing screws.

Furthermore, the left end cover and the right end cover are respectively fixed on the carbon fiber tube through six fixing screws arranged along the circumferential direction.

Furthermore, grooves are respectively formed in the left end cover and the right end cover, and the sealing rings are arranged in the grooves and are O-shaped rings.

Furthermore, the circuit boards are connected by adopting a hexagonal copper stud.

The beneficial effects of the utility model are that:

the utility model discloses a receiver device, the casing adopts light in weight, the high carbon fiber tube of intensity, and left and right end lid adopts the nylon materials, under the prerequisite that satisfies the intensity requirement, can effectively alleviate complete machine weight, guarantees that unmanned aerial vehicle duration is longer, and two kinds of materials are nonmetal, have very strong corrosion-resistant and ageing resistance ability, can prolong receiver device's life. The mode that adopts rubber bumper shock absorber and shock attenuation sponge piece to combine carries out the shock attenuation to internal circuit device, can effectively improve the impact resistance of receiver device. The silicon rubber O-shaped ring is adopted for sealing, so that the waterproof performance of the receiver device can be effectively improved while the disassembly and the assembly are convenient.

Drawings

FIG. 1 is a schematic diagram of a prior art electromagnetic receiver;

fig. 2 is a schematic structural diagram of a receiver apparatus disclosed in embodiment 1 of the present invention;

fig. 3 is a schematic diagram of an internal structure of a receiver apparatus disclosed in embodiment 1 of the present invention;

fig. 4 is a schematic view of a sealing structure between an end cap and a carbon fiber tube in the receiver apparatus disclosed in embodiment 1 of the present invention.

Reference numerals are as follows: 1-rear cover plate; 2-a housing; 3-front cover plate; 4-a communication socket; 5-USB interface; 6-an antenna; 7-charging socket; 8-carbon fiber tube; 9-right end cap; 10-network port; 11-supply socket; 12-left end cap; 13-a shock-absorbing sponge block; 14-a circuit board; 15-rubber shock absorber; 16-indicator light; 17-a GPS antenna; 18-a sealing ring; 19-set screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Embodiment 1, as shown in fig. 2 and 3, this embodiment discloses a receiver device for semi-aviation transient electromagnetism, which includes a carbon fiber tube 8, a left end cap 12 and a right end cap 9 are respectively disposed on two sides of the carbon fiber tube, the left end cap, the right end cap and the carbon fiber tube are respectively sealed by a sealing ring 18, two stacks of circuit boards 14 are accommodated in the carbon fiber tube, one stack of circuit boards is fixed on the left end cap by a rubber damper, the other stack of circuit boards is fixed on the right end cap by a rubber damper 15, and a damping sponge block 13 is installed in hollow portions of the circuit boards and the carbon fiber tube, so that the damping problem of internal circuit boards and components can be effectively solved. In addition, a GPS antenna 17 and an indicator light 16 are arranged on the left end cover, and a net port 10 and a power supply socket 11 are arranged on the right end cover.

For hoist and mount when making things convenient for unmanned aerial vehicle to test, respectively set up four lug structures along the circumference of left end lid and right-hand member lid, the material is nylon 66, and its density is 1.14g/m ³ The density is reduced by 58% compared with the aluminum alloy. In order to reduce the weight, the middle shell adopts a carbon fiber tube structure, the carbon fiber tube is made of carbon fiber composite material, the density is small, the strength is high, and the density is 1.7g/m ³ The density ratio of the carbon fiber to the steel pipe is 1.

The left end cover and the right end cover are fixed on the carbon fiber pipe through fixing screws 19. The left end cover and the right end cover are fixed on the carbon fiber pipe through six fixing screws arranged along the circumferential direction.

As shown in fig. 4, grooves are respectively formed in the left end cover and the right end cover, and the sealing rings are installed in the grooves, because most test areas are mountainous or swamp, and weather conditions are complex, the sealing requirement on the receiver device is high, in this embodiment, the O-ring with high reliability is adopted as the sealing ring, and in order to facilitate assembly and disassembly of the whole machine, the sealing ring is made of silicon rubber.

The circuit boards are connected by adopting a hexagonal copper stud.

Claims

1. A receiver apparatus for semi-airborne transient electromagnetic, characterized by: including the carbon fiber pipe, both sides at the carbon fiber pipe set up left end lid and right-hand member lid respectively, it is sealed through the sealing washer respectively between left end lid and right-hand member lid and the carbon fiber pipe, hold two pile circuit boards at the intraductal carbon fiber, one of them pile circuit board passes through rubber shock absorber to be fixed on the left end lid, another pile circuit board passes through rubber shock absorber to be fixed on the right-hand member lid, and pack into the damping sponge piece at the hollow part of circuit board and carbon fiber pipe, still install GPS antenna and pilot lamp on the left end lid in addition, install net gape and power supply socket on the right-hand member lid.

2. The receiver apparatus for semi-airborne transient electromagnetic as recited in claim 1, wherein: four lug structures are arranged along the circumferential direction of the left end cover and the right end cover respectively.

3. Receiver apparatus for semi-airborne transient electromagnetism according to claim 1, characterized in that: the left end cover and the right end cover are fixed on the carbon fiber pipe through fixing screws.

4. Receiver apparatus for semi-airborne transient electromagnetism according to claim 3, characterized in that: the left end cover and the right end cover are fixed on the carbon fiber pipe through six fixing screws arranged along the circumferential direction.

5. Receiver apparatus for semi-airborne transient electromagnetism according to claim 1, characterized in that: grooves are respectively arranged on the left end cover and the right end cover, and the sealing rings are arranged in the grooves and are O-shaped rings.

6. Receiver apparatus for semi-airborne transient electromagnetism according to claim 1, characterized in that: the circuit boards are connected by adopting a hexagonal copper stud.