WO2017181980A1

WO2017181980A1 - Underground mineral detector

Info

Publication number: WO2017181980A1
Application number: PCT/CN2017/081313
Authority: WO
Inventors: 周丹
Original assignee: 周丹
Priority date: 2016-04-22
Filing date: 2017-04-20
Publication date: 2017-10-26
Also published as: CN105891906A

Abstract

An underground mineral detector, comprising a cylindrical detector body (1), the inside of the detector body (1) being provided with a circuit layer (2) and a power source layer (3). The underground mineral detector also comprises a detection circuit arranged within the circuit layer (2), the detection circuit comprising: a central processor; a Hall sensor (6), a radioisotope detector (7) and an ultrasonic wave sensor (8) respectively in signal connection with the central processor; a communication device in signal connection with the central processor, the communication device being used for wirelessly transmitting out detection information. The inside of the power source layer (3) is provided with a power source module, the power source module supplying power for the detection circuit. A top portion of the detector body (1) is provided with lugs (4).

Description

Manual Title: Underground Mine Detector

Technical field

The present invention relates to a downhole mineral detector.

Background technique

[0002] Mineral exploration refers to the application of effective exploration techniques and methods to deposits that have been identified as having industrial value through census and detailed investigation, to provide reliable ore reserves and necessary geological, technical and economic data for mine design. Geological work carried out. There are many ways and types of mineral exploration. For example, Patent No.: ZL201 2205563324 discloses a remote detection device for mineral exploration; this method can no longer better meet the detection in deep underground wells. The most common is precisely to drill a well and let the detector be lowered to detect it in the well.

technical problem

Problem solution

Technical solution

[0003] It is an object of the present invention to overcome the above-discussed shortcomings and to provide a convenient and efficient downhole mineral detector.

[0004] In order to achieve the above object, a specific embodiment of the present invention is as follows: A downhole mineral detector includes a cylindrical detector body, the detector body is provided with a circuit layer and a power layer; a detection circuit in the circuit layer; the detection circuit includes: a central processing unit and a Hall sensor separately connected to the central processing unit, a radioisotope detector, an ultrasonic sensor, and a communication device connected to the central processor signal, The communication device is configured to wirelessly transmit the detected information; a power module is disposed in the power layer, the power module supplies power to the detecting circuit; a top of the detector body is provided with a wire ear; and the communication device includes a communication chip And a communication antenna connected to the signal, the communication antenna is disposed at the top of the detector body; the Hall sensor, the radioisotope detector, and the ultrasonic sensor are all disposed at the bottom of the detector body.

[0005] The antenna includes a cylinder, and a plurality of antenna layers are disposed in the column, and each antenna layer includes a communication vibrator. [0006] wherein the communication vibrator includes a PCB substrate, and the PCB substrate is provided with a microstrip unit symmetrically arranged vertically;

[0007] Each of the microstrip units includes a main radiant arm having a zigzag shape, one end of the main radiating arm extends vertically with a first extending arm, and the other end of the main radiating arm extends vertically with a second extension The first extending arm extends a hexagonal first radiation band toward a side of the second extending arm, and the second extending arm extends a hexagonal second radiation toward a side of the first extending arm. a third extension arm is connected between the first radiation belt and the second radiation belt;

[0008] The upper and lower sides of the first radiation belt and the upper and lower sides of the second radiation belt are respectively provided with a plurality of hollow structures; each hollow hole includes a circular main hole, and the top end and the low end of the circular main hole respectively a τ-shaped arm extending toward the center of the main hole, a first radiating arm extending from the two free ends of the τ-shaped arm toward the center of the main hole, and a sub-hole separately provided from both sides of the main hole a curved arcuate hole provided outwardly from the free end;

[0009] Further comprising two feed holes disposed on the PCB substrate for transmitting the feed signals, the two feed holes being respectively fed with the τ-shaped arms.

[0010] wherein the number of the hollow structures on each side is 5-8.

[0011] wherein, the first extension arm and the second extension arm both extend obliquely downward toward the inner side and have a second "second partition arm".

[0012] wherein, the free ends of the first extension arm and the second extension arm each extend upwardly with a second radiation arm.

[0013] wherein a side of the first radiating arm away from the first radiating strip is provided with a sawtooth structure.

[0014] wherein the inner side of the second radiating arm is provided with a zigzag structure.

[0015] wherein, the PCB substrate is octagonal, and both ends are connected to the cylinder through the fixed arm.

[0016] The detection circuit further includes a video capture unit, the video capture unit is a camera, the video capture unit is connected to a central processor signal, and the video capture unit is disposed at a bottom of the probe body;

[0017] wherein the detecting circuit further includes a storage unit, and the storage unit is connected to the central processing unit; [0018] wherein the detecting circuit further comprises a magnetic field strength detector, the magnetic field strength detector and the central processing The signal is connected, and the magnetic field strength detector is disposed at the bottom of the detector body.

Advantageous effects of the invention

Beneficial effect

[0019] The function of conveniently detecting mineral resources is realized by reasonable structural design and detection of multiple probes, which is simple Convenient, providing portable equipment for downhole detection.

Brief description of the drawing

DRAWINGS

1 is a schematic cross-sectional view of the present invention;

2 is a schematic block diagram of a detecting circuit of the present invention;

3 is a cross-sectional view of an antenna of the present invention;

4 is a plan view of a communication vibrator of the present invention;

Figure 5 is a partial enlarged view of Figure 4;

6 is a return loss test chart of the present antenna;

7 is a graph showing the isolation performance test of the antenna;

[0027] FIG. 8 is a pattern of the antenna at 2.4 GHz;

9 is a pattern of the present antenna at 5.0 GHz;

[0029] The reference numerals in FIGS. 1 to 9 illustrate:

1-detector body; 2-circuit layer; 3-power layer; 4-wire ear; 5-communication antenna; 6-Hall sensor; 7-radioisotope detector; 8-ultrasonic sensor; Intensity detector; 10-video acquisition unit

[0031] a-cylinder; al-PCB substrate;

[0032] bl-main radiating arm; b21-first extension arm; b22-second extension arm; b31-first radiation band; b32-second radiation band; M-third extension arm; b5-second partition arm ; b6-second radiation arm;

[0033] b7-circular main hole; b71-sub hole; b72-arc hole; b8-T-arm; b81-first radiation arm.

BEST MODE FOR CARRYING OUT THE INVENTION

The present invention is further described in detail below with reference to the drawings and specific embodiments, which are not intended to limit the scope of the invention.

[0035] As shown in FIG. 1 to FIG. 9 , a downhole mineral detector according to the embodiment includes a cylindrical detector body 1 , and the detector body 1 is provided with a circuit layer 2 and a power layer. 3; further comprising a detecting circuit disposed in the circuit layer 2; the detecting circuit comprises: a central processing unit and a Hall sensor 6 respectively connected to the central processing unit, a radioisotope detector 7, an ultrasonic sensor 8, and Central processor letter The communication device is configured to wirelessly transmit the detected information; the power layer 3 is provided with a power module, and the power module supplies power to the detecting circuit; the top of the detector body 1 is provided with a wire ear 4, the wire ear 4 can be used for lifting the lower probe line for convenient installation; the communication device comprises a communication chip and a communication antenna 5 connected thereto, the communication antenna 5 is disposed at the top of the detector body 1; The Hall sensor 6, the radioisotope detector 7, and the ultrasonic sensor 8 are all disposed at the bottom of the detector body 1; the Hall sensor 6, the radioisotope detector 7, and the ultrasonic sensor 8 transmit the detected data to the central processing unit. The central processor transmits the data to the outside through the communication device; the communication antenna 5 is disposed at the top of the detecting body to increase the communication quality; and the convenient structure detection and the detection of the multi-probe realize the function of conveniently detecting the mineral resources, which is simple and convenient. , providing portable equipment for downhole detection.

In a downhole mineral detector according to this embodiment, the antenna includes a cylinder a, and a plurality of antenna layers are disposed in the cylinder a, and each antenna layer includes a communication vibrator. In a downhole mineral detector according to the embodiment, the communication vibrator includes a PCB substrate A1, and the PCB substrate A1 is provided with a microstrip unit symmetrically arranged vertically; each of the microstrip units includes a plurality of a main radiating arm bl of the glyph, a first extending arm b21 extending perpendicularly from one end of the main radiating arm b1, and a second extending arm b22 extending perpendicularly from the other end of the main radiating arm b1; the first extending arm B21 extends toward the second extension arm b22 - a hexagonal first radiation strip b31, the second extension arm b22 extends to the first extension arm b21 - side of the hexagonal second radiation strip b32; a third extension arm b4 is disposed between the first radiation belt b31 and the second radiation belt b32; the upper and lower sides of the first radiation belt b31 and the upper and lower sides of the second radiation belt b32 are provided with a plurality of hollow structures; The hollow holes include a circular main hole b7, a T-shaped arm B8 extending from the top end and the lower end of the circular main hole b7 toward the center of the main hole, and two free ends from the T-arm B8 toward the center of the main hole a first radiating arm b81 extending laterally, a sub-hole b71 disposed outwardly from both sides of the main hole, and a secondary air An arc-shaped arc hole b72 disposed outwardly from the end; further comprising two feed holes disposed on the PCB substrate A1 for transmitting a feed signal, the two feed holes being respectively fed with the T-arm B8 . Through a large number of microstrip circuit structure design, as well as a large number of simulation experiments and parameter adjustments, the above antenna structure is finally determined; this antenna exhibits the same at 2.4 GHz and 5.0 GHz after feeding multiple antenna layers with the same feed. Excellent electrical performance, as shown in Figure 6, averaged 9.65dBi in the vicinity of the band; and other electrical properties have excellent results, its return loss in the 2.4-2.48GHZ band and the return loss of 5.15-5.875GHZ band Both are better than -15dB; as shown in Figure 7, the isolation loss in the 2.4-2.48GHZ and 5.15-5.875GHZ bands is better than -20dB. Prove the antenna It has good performance in itself; in addition, the antenna has good directivity. As shown in Fig. 8 and Fig. 9, both antennas are omnidirectional antennas. Therefore, it can make the robot transmit signals in the pipeline 1 more stably and efficiently.

[0037] In a downhole mineral detector according to the embodiment, the number of the hollow structures on each side is 5-8. Wherein, the first extension arm b21 and the second extension arm b22 both extend obliquely downward toward the inner side and have a second partition arm b5. The free ends of the first extension arm b21 and the second extension arm b22 each extend upwardly with a second radiation arm b6. The side of the first radiating arm b81 away from the first radiating strip b31 is provided with a zigzag structure. Wherein, the inner side of the second radiating arm b6 is provided with a zigzag structure. Among them, the PCB substrate A1 is octagonal, and both ends are connected to the cylinder a through the fixed arm; through repeated tests, if the above specifications are met, the performance of the antenna will be more optimized, especially in terms of return loss, its echo The loss in the 2.4-2.48 GHz band and the 5.15-5.875 GHz band are better than -17 dB.

[0038] A downhole mineral detector according to the embodiment, the detection circuit further includes a video collection unit 10, the video collection unit 10 is a camera, and the video collection unit 10 is connected to a central processor signal. The video collection unit 10 is disposed at the bottom of the detector body 1; the video collection unit 10 is configured to detect a video signal.

[0039] In a downhole mineral detector according to the embodiment, the detecting circuit further includes a storage unit, and the storage unit is connected with the central processor signal; the detection signal can be recorded and backed up to prevent data loss.

[0040] In a downhole mineral detector according to the embodiment, the detecting circuit further includes a magnetic field strength detector 9, the magnetic field strength detector 9 is connected with a central processor signal, and the magnetic field strength detector 9 It is located at the bottom of the detector body 1 and can be used to detect the magnetic field strength.

[0041] The communication antenna is a non-size required antenna, and the above requirements are met as long as the hole and the hole are arranged in the bending direction; but if better stable performance is required, the specific size of the antenna can be optimized as follows: The size of the P CB substrate is based on the column a that can be laterally disposed. The line width of the main radiating arm bl is: 2 mm, the longitudinal arm height of the main radiating arm M is 4.5 mm, the length of the short cross arm in the middle is: 13 mm, and the lengths of the long cross arms of the two sides are respectively: 38 mm; the first extending arm b21 and The second extension arm b22 is the same size, the line width is 2 mm, and the height is 13 mm; the first radiation belt b31 and the second radiation belt b32 are the same size, and the third extension arm b4 in the middle has a line width of: 3 mm, the first radiation belt The connecting arm between b31 and the first extension arm b21 does not have a size requirement, and the second radiation band The connecting arm between the second extension arm and the second extension arm is not required to have a size requirement; the line width of the first radiation band b31 is 2 mm; the length of the two lateral sides is: 14 mm, and the four oblique sides are 11 mm; the diameter of the circular main hole is 1.5 Mm; the length of the T-arm is 0.2mm, and the length of the crossbar is:

0.5mm, the line width is 0.05mm; the line width of the first radiation arm b81 is also 0.05, and the height is not limited.畐 ij hole b71 has a diameter of 0.05 mm, and the curved hole b72 has a line width of 0.03 mm and an inner diameter of 0.1 mm.

The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features, and principles described in the scope of the present invention are included in the scope of protection of the present patent application.

Claims

Claim

[Claim 1] A downhole mineral detector, characterized by: a package; a cylindrical detector body

(1) The detector body (1) is provided with a circuit layer (2) and a power supply layer (3); and further includes a detection circuit disposed in the circuit layer (2); the detection circuit includes: a processor and a Hall sensor (6), a radioisotope detector (7), an ultrasonic sensor (8), and a communication device connected to the central processor signal, respectively, connected to the central processor, wherein the communication device is used for The detected information is transmitted wirelessly; a power module is disposed in the power layer (3), and the power module supplies power to the detecting circuit; the top of the detector body (1) is provided with a wire ear (4); the communication device includes a communication chip and a communication antenna (5) connected thereto, the communication antenna (5) is disposed at the top of the detector body (1); the Hall sensor (6), the radioisotope detector (7), The ultrasonic sensor (8) is disposed at the bottom of the detector body (1); the detecting circuit further includes a video capturing unit (10), the video collecting unit (10) is a camera, and the video collecting unit (10) The video processing unit (10) is disposed at the bottom of the detector body (1); the detecting circuit further includes a storage unit, and the storage unit is connected to the central processor signal; the detecting circuit further includes a magnetic field strength detector (9), the magnetic field strength detector (9) is connected to a central processor signal, the magnetic field strength detector (9) is disposed at the bottom of the detector body (1); the antenna includes a cylinder (a), the cylinder) is provided with a plurality of antenna layers, each antenna layer includes a communication vibrator; the communication vibrator includes a PCB substrate (A1), and the PCB substrate (A1) is provided with a microstrip unit symmetrically disposed above and below; each of the microstrip units includes a main-shaped radiating arm (bl) having a zigzag shape, and one end of the main radiating arm (bl) vertically extends with a first extending arm (b21) The other end of the main radiating arm (b1) extends vertically with a second extending arm (b22); the first extending arm (b21) extends to the side of the second extending arm (b22) with a hexagonal first Radiation belt (b31), the second extension arm (b22) extending a hexagonal second radiation band (b32) to the side of the first extension arm (b21); a third connection between the first radiation band (b31) and the second radiation band (b32) An extension arm (b4); upper and lower sides of the first radiation band (b31) and upper and lower sides of the second radiation band (b32) Each has a plurality of hollow structures; each hollow hole includes a circular main hole (b7), a T-arm (B8) extending from the top end and the lower end of the circular main hole (b7) toward the center of the main hole, a first radiating arm (b81) extending from the two free ends of the T-arm (B8) toward the center of the main hole, a sub-hole (b71) disposed outward from both sides of the main hole, and a free end from the sub-air An outwardly curved arcuate hole (b72); further comprising two feed holes for transmitting a feed signal on the PCB substrate (A1), the two feed holes respectively and the T-arm ( B8) Feeding.

[Claim 2] A downhole mineral detector according to claim 1, wherein: the number of said hollow structures on each side is 5-8.

[Claim 3] A downhole mineral detector according to claim 1, wherein: the first extension arm (b21) and the second extension arm (b22) both extend obliquely downward toward the inner side. Two partition arms (b5).

[Claim 4] A downhole mineral detector according to claim 3, wherein: the free ends of the first extension arm (b21) and the second extension arm (b22) both extend upward and have a second Radiation arm (b6).

[Claim 5] A downhole mineral detector according to claim 1, wherein the first radiating arm (b81) is provided with a zigzag structure on a side away from the first radiating strip (b31).

[Claim 6] A downhole mineral detector according to claim 3, wherein the inner side of the second radiating arm (b6) is provided with a zigzag structure.

[Claim 7] A downhole mineral detector according to claim 1, wherein: the PCB substrate

(A1) An octagonal shape with both ends connected to the cylinder (a) by a fixed arm.