Mining north-seeking device

Abstract

A mining north-seeking device comprises an explosion-proof shell provided with a rectangular containing cavity, a partition wall is arranged in the rectangular containing cavity, and the partition wall divides the rectangular containing cavity into a mounting bin and a power supply bin; the azimuth measuring instrument is detachably and fixedly arranged on the bottom surface of the mounting bin and is configured to measure attitude information of the mining north seeking device; the display part is detachably and fixedly arranged on the bottom surface of the mounting bin, is adjacent to the azimuth measuring instrument and is electrically connected with the azimuth measuring instrument, and the display part is configured to display attitude information of the mining north seeking device; the power supply module is arranged in the power supply bin, electrically connected with the azimuth measuring instrument and the display component and configured to be encapsulated in the power supply bin through AB glue and supply power to the azimuth measuring instrument and the display component, the mining north-seeking device is packaged in an all-solid-state mode, the structure is compact and stable, the safety, high efficiency and reliability of underground operation are guaranteed, and the mining north-seeking device is suitable for popularization and application. Meanwhile, all-weather, omni-directional, autonomous and rapid orientation and posture measurement can be achieved in a static state, the overall size is small, the weight is light, and carrying is convenient.

Description

Technical Field

[0001] The present disclosure relates to the field of positioning technology, and in particular to a north-seeking device for mining. Background Art

[0002] In the process of domestic coal mining and gas extraction, mechanical compasses and electronic compasses are mostly used to measure azimuth. Due to the special environment under the mine, the compass is easily interfered by the surrounding electromagnetic field. Although the azimuth and attitude measurement technology using electromechanical gyroscopes is mature, with small drift and high accuracy, electromechanical gyroscopes have defects in environmental adaptability, such as poor vibration resistance, limited low-temperature operation, high cost, and high energy consumption. Utility Model Content

[0003] The purpose of the present disclosure is to provide a mining north-seeking device, comprising:

[0004] The explosion-proof housing has a rectangular accommodating cavity, wherein a partition wall is arranged in the rectangular accommodating cavity, and the partition wall divides the rectangular accommodating cavity into an installation compartment and a power supply compartment;

[0005] An azimuth measuring instrument, detachably fixed on the bottom surface of the installation bin, configured to measure the attitude information of the mining north-finding device;

[0006] A display component is detachably fixed on the bottom surface of the installation bin, is disposed adjacent to and electrically connected to the azimuth measuring instrument, and is configured to display the attitude information of the mining north-finding device; and

[0007] A power supply module is arranged in the power supply compartment, electrically connected to the azimuth measuring instrument and the display component, and is configured to be encapsulated in the power supply compartment with AB glue and to supply power to the azimuth measuring instrument and the display component.

[0008] In some embodiments, the power supply module includes a battery and a safety power board, and the battery and the safety power board are placed in the power supply compartment at intervals, and the AB glue covers the battery and the safety power board and fills the gap between the battery and the safety power board.

[0009] In some embodiments, the orientation measuring instrument is in the shape of a rectangular parallelepiped, and the width of the orientation measuring instrument is slightly smaller than the width of the rectangular accommodating cavity.

[0010] In some embodiments, the mining north-seeking device further comprises:

[0011] The explosion-proof cover body is detachably mounted on the explosion-proof housing and is configured to encapsulate the rectangular accommodating cavity. A reinforcing rib is arranged on the surface of the explosion-proof cover body facing the rectangular accommodating cavity.

[0012] In some embodiments, the position measuring instrument comprises:

[0013] Base plate;

[0014] A fiber optic gyroscope module is detachably fixed on the bottom plate and configured to detect angular velocity;

[0015] A three-axis accelerometer disposed on the base plate and configured to detect acceleration;

[0016] A calculation circuit board, disposed on the bottom plate, electrically connected to the fiber optic gyroscope module and the three-axis accelerometer and configured to calculate the attitude information based on information collected by the fiber optic gyroscope module and the three-axis accelerometer; and

[0017] The shell is detachably buckled on the bottom plate.

[0018] In some embodiments, at least one corner of the explosion-proof housing is provided with an anti-collision corner guard.

[0019] In some embodiments, a reinforcing rib is disposed on an outer surface of at least one of the circumferential side walls of the explosion-proof housing.

[0020] In some embodiments, the explosion-proof housing includes a first side wall, the first side wall is used as a bottom wall of the mining north-finding device, and fixing parts extend from a pair of edges of the first side wall.

[0021] In some embodiments, the explosion-proof housing includes a second side wall, the second side wall is used as the top wall of the mining north-seeking device, and a handle is provided on the second side wall.

[0022] In some embodiments, a pair of edges of the second side wall are provided with mounting ribs, and the mounting ribs are configured to mount a shoulder strap.

[0023] The above solution of the embodiment of the present disclosure can have the following beneficial effects:

[0024] The mining north-seeking device disclosed in the present invention is packaged in a fully solid-state manner, has a compact and stable structure, high measurement accuracy and is not affected by external magnetic fields, thereby ensuring the safety and high efficiency and reliability of underground operations. At the same time, it can independently and quickly determine the direction and attitude in a static state in all weather conditions and in all directions. In addition, the mining north-seeking device is small in overall size, light in weight and easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings herein are incorporated into the specification and constitute a part of the specification, showing embodiments consistent with the present disclosure, and together with the specification, are used to explain the principles of the present disclosure. Obviously, the drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0026] Figure 1 A schematic diagram of the structure of a mining north-seeking device provided in some embodiments of the present disclosure;

[0027] Figure 2 A schematic diagram of the explosion structure of a mining north-seeking device provided in some embodiments of the present disclosure;

[0028] Figure 3 A schematic diagram of the structure of a mining north-seeking device provided in some embodiments of the present disclosure, wherein the explosion-proof cover is not shown;

[0029] Figure 4 A cross-sectional view of a battery compartment of a mining north-seeking device provided in some embodiments of the present disclosure;

[0030] Figure 5 A schematic diagram of the exploded structure of an azimuth measuring instrument provided in some embodiments of the present disclosure;

[0031] Figure 6 A schematic diagram of the structure of a mining north-seeking device provided in some embodiments of the present disclosure. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0033] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments, and are not intended to limit the present disclosure. The singular forms "a", "said" and "the" used in the embodiments of the present disclosure and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two.

[0034] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0035] It should be understood that although the terms first, second, third, etc. may be used to describe the embodiments of the present disclosure, they should not be limited to these terms.

[0036] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or device. In the absence of more restrictions, the elements defined by the sentence "comprises a" do not exclude the presence of other identical elements in the product or device including the elements.

[0037] In the related technologies, the drilling project for the prevention and control of gas and water hazards in coal mines is quite large, and there is a need for accurate measurement of the posture of the borehole (that is, the inclination and azimuth). Nowadays, the common method used for measuring boreholes is manual measurement, which relies on tools such as angle gauges, ropes, tape measures, and slope gauges to measure the orientation and inclination. As a result, the traditional manual measurement method exposes the problems of large demand for construction personnel, cumbersome operation, and low measurement accuracy.

[0038] The relevant technologies mainly have the following problems: the traditional underground testing methods are relatively complicated and highly dependent on humans, and there are certain deviations in the measurement results between junior technicians and mature technicians; the use of a new electronic compass is prone to the direction accuracy being affected by the density of the ore layer; it is easily affected by the measurement position, resulting in deviations between true north and magnetic north; mechanical compasses may be jammed due to dust in mining conditions, or the dry environment may cause the plane deformation of the mechanical structure to affect the measurement accuracy; traditional north-seeking devices are large in size, heavy in weight, and have unstable performance, which is not conducive to portable measurement.

[0039] In order to overcome the above-mentioned defects, the present disclosure provides a north-seeking device for mining, comprising: an explosion-proof shell, having a rectangular accommodating cavity, a partition wall being arranged in the rectangular accommodating cavity, and the partition wall dividing the rectangular accommodating cavity into an installation compartment and a power supply compartment; an azimuth measuring instrument, detachably fixed on the bottom surface of the installation compartment, configured to measure the posture information of the north-seeking device for mining; a display component, detachably fixed on the bottom surface of the installation compartment, arranged adjacent to and electrically connected to the azimuth measuring instrument, configured to display the posture information of the north-seeking device for mining; and a power supply module, arranged in the power supply compartment, electrically connected to the azimuth measuring instrument and the display component, configured to be encapsulated in the power supply compartment with AB glue and to supply power to the azimuth measuring instrument and the display component.

[0040] The mining north-seeking device disclosed in the present invention is packaged in a fully solid-state manner, has a compact and stable structure, high measurement accuracy and is not affected by external magnetic fields, thereby ensuring the safety and high efficiency and reliability of underground operations. At the same time, it can independently and quickly determine the direction and attitude in a static state in all weather conditions and in all directions. In addition, the mining north-seeking device is small in overall size, light in weight and easy to carry.

[0041] The optional embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0042] Figure 1 A schematic diagram of the structure of a mining north-seeking device provided in some embodiments of the present disclosure, Figure 2 A schematic diagram of the explosion structure of a mining north-seeking device provided in some embodiments of the present disclosure, Figure 3 This is a schematic diagram of the structure of a mining north-seeking device provided in some embodiments of the present disclosure, wherein the explosion-proof cover is not shown. Figure 4 A cross-sectional view of a battery compartment of a mining north-seeking device provided in some embodiments of the present disclosure.

[0043] like Figures 1 to 4 As shown, some embodiments of the present disclosure provide a north-finding device 100 for use in a mine, and the north-finding device 100 for use in a mine includes an explosion-proof housing 10 , an azimuth measuring instrument 20 , a display component 30 , and a power supply module 40 .

[0044] Specifically, the explosion-proof housing 10 is made of explosion-proof material, and has, for example, a rectangular accommodating cavity 11, wherein a partition wall 12 is disposed in the rectangular accommodating cavity 11, and the partition wall divides the rectangular accommodating cavity 11 into an installation compartment 111 and a power supply compartment 112. In some embodiments, Figure 3 As shown, the power supply compartment 112 is disposed at a corner of the rectangular accommodating cavity 11, for example Figure 3 partition wall 12 and the side wall of explosion-proof housing 10 at the corner to enclose the power supply compartment 112 for defining the position of power supply module 40.

[0045] The azimuth measuring instrument 20 is detachably fixed on the bottom surface of the installation bin 111, and is configured to measure the attitude information of the mining north-finding device 100, and the attitude information includes, for example, inclination information and azimuth information. In some embodiments, the azimuth measuring instrument 20 is detachably fixed on the bottom surface of the installation bin 111, for example, by screws.

[0046] The display component 30 is detachably fixed on the bottom surface of the installation bin 111, is disposed adjacent to and electrically connected to the azimuth measuring instrument 20, and is configured to display the posture information of the mining north-finding device. In some embodiments, the display component 30 is detachably fixed on the bottom surface of the installation bin 111, for example, by screws, and displays the posture information of the mining north-finding device to the outside world through a perspective window on the bottom surface of the installation bin 111. The display component 30 includes, for example, an LED display unit, a digital display tube, or an LCD display unit.

[0047] The display component 30 serves as a human-computer interaction interface for the application after the mining north-finding device 100 is turned on. After turning on, the software version is first displayed; a countdown display is provided when entering the direction measurement alignment procedure; and when the mining north-finding device 100 is aligned, a real-time display of the posture information of the mining north-finding device 100 is provided.

[0048] The power supply module 40 is arranged in the power supply compartment 112, electrically connected to the azimuth measuring instrument 20 and the display component 30, and is configured to be encapsulated in the power supply compartment 112 with AB glue and to supply power to the azimuth measuring instrument 20 and the display component 30. In order to ensure that the power supply module, including batteries, etc., can still maintain good structural stability and safety in harsh environments, the cabin for the power supply module is reasonably designed according to the size and heat dissipation requirements of the power supply module to ensure that the power supply module has sufficient space for heat dissipation and avoid material waste caused by unnecessary space. At the same time, in order to prevent harmful substances such as moisture and dust from penetrating into the power supply module and affecting the performance of the power supply module, the power supply module is encapsulated with AB glue, so that the power supply module can be shock-absorbing and protected when the mining north-seeking device is subjected to external impact and vibration.

[0049] In some embodiments, Figure 4 As shown, the power supply module 40 includes a battery 41 and a safety power board 42, and the battery 41 and the safety power board 42 are placed in the power supply compartment 112 at intervals, and the AB glue covers the battery 41 and the safety power board 42 and fills the gap between the battery 41 and the safety power board 42.

[0050] In some embodiments, the battery 41 is, for example, a lithium battery, specifically a lithium iron phosphate battery, which has the advantages of high operating voltage, high energy density, long cycle life, good safety performance, low self-discharge rate, no memory effect, etc. Compared with traditional lead-acid battery products, it has a larger capacity, ensuring a longer standby time for the product with the same volume; compared with other polymer lithium material battery products, it has higher safety and longer life.

[0051] In some embodiments, Figures 1 to 3 As shown, the azimuth measuring instrument 20 is in the shape of a rectangular parallelepiped, and the width of the azimuth measuring instrument 20 is slightly smaller than the width of the rectangular accommodating cavity 11. The azimuth measuring instrument 20 and the display component 30 can be installed in the installation compartment 111 relatively compactly, and the power supply module 40 is encapsulated in the power supply compartment 112. The internal structure of the explosion-proof housing 10 is reasonably designed to minimize idle space, and the various components therein are compactly arranged, so that the mine-use north-seeking device 100 has a reasonable overall layout, the size is reduced as much as possible, and it is as lightweight and portable as possible.

[0052] In some embodiments, Figures 1 to 3As shown, the mining north-finding device 100 further includes: an explosion-proof cover 50, which is detachably mounted on the explosion-proof housing 10 and configured to encapsulate the rectangular accommodating cavity 11, and a reinforcing rib 51 is provided on the surface of the explosion-proof cover 50 facing the rectangular accommodating cavity 11. Such a configuration ensures that the explosion-proof cover 50 is lightweight while also ensuring the strength of the explosion-proof cover 50, making it less likely to deform, and protecting the components located in the rectangular accommodating cavity 11, such as the azimuth measuring instrument 20, the display component 30, the power supply module 40, etc.

[0053] Figure 5 A schematic diagram of an exploded structure of an azimuth measuring instrument provided in some embodiments of the present disclosure, such as Figure 5 As shown, in some embodiments, the orientation measuring instrument 20 includes: a base plate 21, a fiber optic gyroscope module 22, a three-axis accelerometer, a solver circuit board 23 and a housing 24.

[0054] The bottom plate 21 is a flat plate component, on which threaded holes are provided for fixing the orientation measuring instrument 20 as a whole on the bottom wall of the installation chamber 111 .

[0055] The fiber optic gyroscope module 22 is detachably fixed on the base plate 21 and is configured to detect angular velocity. Figure 5 As shown, the fiber optic gyroscope module 22 includes a base 221 and a fiber optic gyroscope 222 disposed on the base 221. The fiber optic gyroscope adopts the optical Sagnac effect principle, has no rotating parts and friction parts, and has the characteristics of long life, large dynamic range, and high precision. The number of fiber optic gyroscopes 222 is 3, and the three fiber optic gyroscopes are orthogonally placed on the three surfaces of the base 221 respectively, respectively detecting the angular velocity in three mutually orthogonal directions. In some embodiments, the fiber optic gyroscope module 22 is detachably fixed to the base plate 21 by screws, nuts, etc.

[0056] A three-axis accelerometer, such as a three-axis MEMS accelerometer, is disposed on the base plate 21 and configured to detect acceleration in three mutually orthogonal directions. The three-axis MEMS accelerometer has the characteristics of low noise density, 0g low offset drift, low power consumption, etc., and can provide the best noise, offset drift and long-term stability in the industry, and can realize precision applications with minimal calibration workload and extremely low power consumption.

[0057] The solving circuit board 23 is arranged on the bottom plate 21, and is electrically connected to the fiber optic gyroscope module 22 and the three-axis accelerometer, and is configured to solve the attitude information based on the information collected by the fiber optic gyroscope module 22 and the three-axis accelerometer. Specifically, the solving circuit board 23 collects the angular velocity information of the three fiber optic gyroscopes 222 through the serial port protocol, collects the three-axis accelerometer information through the SPI protocol, and obtains the heading information and horizontal attitude information after 120s of alignment and solving, and outputs it to the display component 30 through the serial port. In some embodiments, the solving circuit board 23 is detachably fixed to the bottom plate 21 by screws, nuts, etc.

[0058] The housing 24 is detachably buckled on the bottom plate 21 and is used to include the fiber optic gyro module 22, the three-axis accelerometer and the solver circuit board 23 arranged on the bottom plate.

[0059] In some embodiments, Figure 1 As shown, at least one of the edges and corners of the explosion-proof shell 10 is provided with an anti-collision corner guard 13. Specifically, in order to ensure that the mining north-finding device 100 is less damaged by collision during use, an anti-collision corner guard 13 is added to the structure, and the material selection takes into account the ability to effectively absorb energy when impacted and reduce damage to the mining north-finding device 100. A high molecular polymer can be used as the corner guard material. In terms of structural appearance, a reasonable corner guard shape with rounded corners is designed to reduce stress concentration during collision and reduce the risk of damage to the mining north-finding device 100; in order to make the connection between the corner guard and the main body of the mining north-finding device 100 stable and reliable, multiple screws are used for fixing. At the same time, in order to coordinate the appearance color of the mining north-finding device 100 and the warning of the anti-collision corner guard 13 is clear, the explosion-proof shell 10 and the explosion-proof cover 50 of the mining north-finding device 100 are blue, and the corner guard is black.

[0060] In some embodiments, Figure 1 As shown, a reinforcing rib 14 is provided on the outer surface of at least one of the circumferential side walls of the explosion-proof housing 10. Specifically, in order to ensure that the overall structure of the mining north-finding device 100 can maintain its shape and position unchanged when subjected to external force, the shape and size of the reinforcing ribs are designed to adapt to the force requirements and shape characteristics of the structure, and the reinforcing ribs are used to provide greater bearing and support forces. At the same time, the layout and number of the reinforcing ribs are arranged to ensure that the overall force of the mining north-finding device 100 is uniform and the stress concentration phenomenon is reduced; at the same time, the force analysis is carried out to determine the optimal cross-sectional size and length of the reinforcing ribs, so as to reduce the total weight of the mining north-finding device 100.

[0061] In some embodiments, the explosion-proof housing 10 includes a first side wall 101, which is used as the bottom wall of the mining north-finding device 100, and a pair of edges of the first side wall 101 extend out of a fastening member 1011. The compatibility adaptation installation is performed by fastening the slideway against the surface, specifically, the bottom slideway of the mining north-finding device 100 is installed into the slideway of the device under test, and then the slideway is moved in the specified direction of the slideway so that the reference surface of the mining north-finding device coincides with the reference surface of the device under test, and finally the relative position relationship between the mining north-finding device 1 and the product under test is fixed by the side screws of the product, which has a simple structure and is easy to install, reducing the complexity and tediousness of the installation process.

[0062] In some embodiments, the explosion-proof housing 10 includes a second side wall 102, the second side wall 102 is used as the top wall of the mining north-finding device 100, and a handle 1021 is provided on the second side wall. It is convenient for a user to easily lift the mining north-finding device 100. Specifically, Figure 1 As shown, the handle 1021 is disposed on the reinforcing rib 14 of the second side wall 102 .

[0063] Figure 6 A schematic diagram of a mining north-seeking device provided in some embodiments of the present disclosure, such as Figure 6 As shown, a pair of edges of the second side wall 102 are provided with mounting edges 1022 , and the mounting edges 1022 are configured to mount a shoulder strap 1023 , so as to facilitate carrying by a user.

[0064] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the system or device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description.

[0065] The above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than to limit them. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A mining north-seeking device, characterized in that: include: The explosion-proof housing has a rectangular accommodating chamber, wherein a partition wall is arranged in the rectangular accommodating chamber, and the partition wall divides the rectangular accommodating chamber into an installation chamber and a power supply chamber; An azimuth measuring instrument, detachably fixed on the bottom surface of the installation bin, configured to measure the attitude information of the mining north-finding device; A display component is detachably fixed on the bottom surface of the installation bin, is disposed adjacent to and electrically connected to the azimuth measuring instrument, and is configured to display the attitude information of the mining north-finding device; as well as A power supply module is arranged in the power supply compartment, electrically connected to the azimuth measuring instrument and the display component, and is configured to be encapsulated in the power supply compartment with AB glue and to supply power to the azimuth measuring instrument and the display component.

2. The mining north-seeking device according to claim 1, wherein: The power supply module includes a battery and a safety power board, and the battery and the safety power board are placed in the power supply compartment at intervals. The AB glue covers the battery and the safety power board and fills the gap between the battery and the safety power board.

3. The mining north-seeking device according to claim 1, wherein: The orientation measuring instrument is in a rectangular parallelepiped shape, and the width of the orientation measuring instrument is slightly smaller than the width of the rectangular accommodating cavity.

4. The mining north-seeking device according to claim 1, wherein: The mine-used north-seeking device also includes: The explosion-proof cover body is detachably mounted on the explosion-proof housing and is configured to encapsulate the rectangular accommodating cavity. A reinforcing rib is arranged on the surface of the explosion-proof cover body facing the rectangular accommodating cavity.

5. The mining north-seeking device according to any one of claims 1 to 4, wherein: The azimuth measuring instrument comprises: Base plate; A fiber optic gyroscope module is detachably fixed on the bottom plate and configured to detect angular velocity; A three-axis accelerometer disposed on the base plate and configured to detect acceleration; A calculation circuit board, disposed on the bottom plate, electrically connected to the fiber optic gyroscope module and the three-axis accelerometer and configured to calculate the attitude information based on information collected by the fiber optic gyroscope module and the three-axis accelerometer; and The shell is detachably buckled on the bottom plate.

6. The mining north-seeking device according to any one of claims 1 to 4, wherein: At least one corner of the explosion-proof housing is provided with an anti-collision corner guard.

7. The mining north-seeking device according to any one of claims 1 to 4, wherein: A reinforcing rib is disposed on an outer surface of at least one of the circumferential side walls of the explosion-proof housing.

8. The mining north-seeking device according to any one of claims 1 to 4, wherein: The explosion-proof housing comprises a first side wall, the first side wall being used as a bottom wall of the mining north-finding device, and fixing parts extending from a pair of edges of the first side wall.

9. The mining north-seeking device according to any one of claims 1 to 4, wherein: The explosion-proof housing comprises a second side wall, the second side wall is used as the top wall of the mining north-finding device, and a handle is arranged on the second side wall.

10. The mining north-seeking device according to claim 9, wherein: A pair of edges of the second side wall are provided with mounting edges, and the mounting edges are configured to mount a shoulder strap.

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