Magnetically installed mine water inrush early warning device

By combining a magnetic installation structure with a threaded connection, the problem of inconvenient installation of mine water inrush early warning devices is solved, enabling fast, safe, and stable connection and disassembly, and ensuring the normal operation of the device.

CN224049271UActive Publication Date: 2026-03-27SHAANXI ENERGY VOCATIONAL & TECHNICAL COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing mine water inrush early warning devices are inconvenient to install and dismantle, not safe or stable enough, and difficult to connect and repair quickly.

Method used

The system employs a magnetic installation structure, utilizing the magnetic attraction of magnetic blocks and metal sheets, combined with threaded connections and sealing gaskets, to achieve rapid installation and secure connection of the humidity sensor. Sealing also prevents moisture from entering the connection point.

Benefits of technology

It enables quick, safe, and stable installation and disassembly of the mine water inrush early warning device, avoids the impact of metal rust on the device's stability, and ensures the normal operation of the early warning module.

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Abstract

The utility model discloses a magnetically installed mine water inrush early warning device, and relates to the technical field of mine water inrush early warning. The humidity sensor comprises a positioning seat and a humidity sensor arranged at the front end of the positioning seat, and further comprises a connecting seat arranged in the middle of the rear end of the humidity sensor, and an adsorption magnetic block is arranged at the rear end of the connecting seat. According to the utility model, the mounting seat can be connected to the front end of the connecting seat by magnetically connecting the adsorption magnetic block with the metal sheet which can be magnetically connected with the adsorption magnetic block, and meanwhile, the adsorption magnetic block is limited from up, down, left and right directions by utilizing the magnetic clamping groove; furthermore, the humidity sensor for quickly and stably carrying out early warning on the mine water inrush sudden accident is magnetically mounted at the front end of the positioning seat; and the stabilizing sleeve is screwed and fixed outside the fixing sleeve through threaded connection, so that the purposes of further limiting and stabilizing the mounting seat and the connecting seat which are magnetically connected in the front-back direction and conveniently disassembling, repairing and replacing the early warning module can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mine water inrush early warning technical field, especially the magnetic type installation mine water inrush early warning device is related. BACKGROUND

[0002] Mine water inrush is the phenomenon that a large amount of underground water suddenly gushes into mine shafts in the process of mining or tunneling, when underground roadway suddenly exposes geological structures such as water-conducting fracture, water-rich cave and water-accumulating fissure, which is one of the most threatening disasters in the process of underground mining production, technical personnel try to avoid personnel and property losses caused by underground water inrush by installing water inrush early warning device in mine.

[0003] The existing mine water inrush early warning device is usually fixed in the mine roadway by anchor bolt during application, and the installation and disassembly for maintenance and replacement of the early warning module are relatively inconvenient, and there is a technical problem that the water inrush early warning device cannot be connected, installed, disassembled and repaired conveniently, quickly and safely and stably. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a magnetic type installation mine water inrush early warning device, which can effectively solve the problems of the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a magnetic type installation mine water inrush early warning device, which comprises a positioning seat and a humidity sensor arranged at the front end of the positioning seat, and further comprises:

[0007] The connecting seat is arranged at the middle position of the rear end of the humidity sensor, and the rear end of the connecting seat is provided with an adsorbing magnetic block;

[0008] The mounting seat is arranged at the middle position of the front end of the positioning seat, the front end of the mounting seat is provided with a magnetic suction slot, and the inside of the magnetic suction slot is provided with a metal sheet;

[0009] The fastening structure is arranged between the outer sides of the connecting seat and the mounting seat.

[0010] Further, the adsorbing magnetic block, the magnetic suction slot and the metal sheet are annular, and the adsorbing magnetic block is matched with the inside of the magnetic suction slot.

[0011] Further, one side and the bottom of the humidity sensor are provided with a wiring terminal.

[0012] Further, the fastening structure comprises a stabilizing sleeve, a fixing sleeve, a first sealing gasket, a limiting abutting piece and a second sealing gasket, the stabilizing sleeve is arranged on the outside of the mounting seat, the fixing sleeve is fixedly connected on the outside of the connecting seat near the rear end, the limiting abutting piece is arranged on the front end of the fixing sleeve on the outside of the connecting seat, the first sealing gasket is arranged on the front end of the recess on the outside of the mounting seat, and the second sealing gasket is arranged on the rear end of the limiting abutting piece.

[0013] Further, the stabilizing sleeve is movable forward and backward on the outside of the mounting seat, the inside of the stabilizing sleeve is provided with an internal thread, and the outside of the fixing sleeve is provided with an external thread matched with the internal thread of the stabilizing sleeve.

[0014] Further, the limiting abutting piece and the first sealing gasket and the second sealing gasket are annular.

[0015] The utility model has the advantages of the following:

[0016] The utility model discloses a humidity sensor for mine water inrush accident early warning device, which comprises a connecting seat, a mounting seat and a positioning seat, wherein the connecting seat is provided with a connecting groove, the mounting seat is provided with a mounting groove, the mounting groove is arranged on the front end of the connecting groove, the positioning seat is arranged on the front end of the mounting groove, and the mounting seat is connected with the connecting seat through magnetic attraction. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the person skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0019] Figure 2 It is a rear view three-dimensional partial sectional schematic diagram of the utility model;

[0020] Figure 3 It is a partial exploded view of the utility model;

[0021] Figure 4The utility model discloses a Figure 2 Amplification structure schematic diagram of A place in the middle.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, humidity sensor;2, firm sleeve;3, positioning seat;4, wiring terminal;5, connecting seat;6, mounting seat;7, fixed sleeve;8, metal sheet;9, magnetic attraction clamping groove;10, adsorption magnetic block;11, first sealing gasket;12, limit resistance sheet;13, second sealing gasket. Specific implementation

[0024] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment.

[0025] Please refer to Figures 1-4 The utility model discloses a magnetic attraction type installation mine water inrush early warning device, including positioning seat 3 and setting in the humidity sensor 1 of positioning seat 3 front end, still include:

[0026] Wiring terminal 4 is arranged at one side and bottom of humidity sensor 1, utilizes wiring terminal 4 to connect humidity sensor 1 with monitoring system, and humidity sensor 1 is in the working condition, when underground water rushes in and leads to mine roadway working face, air humidity increases and forms fog, and when environmental humidity changes, the water absorption of hygroscopic medium in humidity sensor 1 changes, leads to the change of dielectric constant, thereby causes the change of capacitance value, and then the humidity can be calculated by measuring capacitance value, and when humidity sensor 1 monitors that the humidity under mine appears abnormal change, sends early warning signal to control center‌;

[0027] Connecting seat 5 is arranged at the intermediate position of humidity sensor 1 rear end, and the rear end of connecting seat 5 is provided with annular adsorption magnetic block 10;Mounting seat 6 is arranged at the intermediate position of positioning seat 3 front end, and the front end of mounting seat 6 is provided with annular magnetic attraction clamping groove 9, the inside of magnetic attraction clamping groove 9 is provided with annular metal sheet 8, when installing humidity sensor 1, adsorption magnetic block 10 is adsorbed on metal sheet 8, can magnetically attract and connect mounting seat 6 and connecting seat 5, adsorption magnetic block 10 and the inside of magnetic attraction clamping groove 9 are matched, and adsorption magnetic block 10 is limited by magnetic attraction clamping groove 9;

[0028] When using, connecting seat 5 arranged at the rear end of humidity sensor 1 is butted with mounting seat 6 arranged at the front end of positioning seat 3, simultaneously, annular adsorption magnetic block 10 arranged at the rear end of connecting seat 5 is embedded into magnetic attraction clamping groove 9 arranged at the front end of mounting seat 6 and is adsorbed on annular metal sheet 8 arranged in its inside, simultaneously, annular magnetic attraction clamping groove 9 limits adsorption magnetic block 10 in its inside, can stably connect mounting seat 6 and connecting seat 5, and then install humidity sensor 1 at the front end of positioning seat 3;

[0029] The fastening structure is arranged between the outer side of the connecting seat 5 and the mounting seat 6, and comprises a stabilizing sleeve 2, a fixing sleeve 7, a first sealing gasket 11, a limiting abutting piece 12 and a second sealing gasket 13. The stabilizing sleeve 2 is arranged on the outer side of the mounting seat 6, and the fixing sleeve 7 is fixedly connected to the connecting seat 5 near the rear end. The stabilizing sleeve 2 is movable forward and backward on the outer side of the mounting seat 6. The inner side of the stabilizing sleeve 2 is provided with an internal thread, and the outer side of the fixing sleeve 7 is provided with an external thread matched with the internal thread of the stabilizing sleeve 2. After the mounting seat 6 is magnetically connected to the connecting seat 5, the stabilizing sleeve 2 is rotated forward and is screwed to the outside of the fixing sleeve 7 through the thread connection, so as to further stabilize the magnetically connected mounting seat 6 and connecting seat 5. The limiting abutting piece 12 is arranged at the front end of the fixing sleeve 7 on the outer side of the connecting seat 5. The first sealing gasket 11 is arranged at the front end of the recess on the outer side of the mounting seat 6. The second sealing gasket 13 is arranged at the rear end of the limiting abutting piece 12. The limiting abutting piece 12, the first sealing gasket 11 and the second sealing gasket 13 are annular. The two ends inside the stabilizing sleeve 2 are sealed by the first sealing gasket 11 and the second sealing gasket 13.

[0030] In use, the stabilizing sleeve 2 arranged on the outer side of the mounting seat 6 is rotated forward until the stabilizing sleeve 2 is screwed to the external thread of the fixing sleeve 7 fixedly connected to the outer side of the connecting seat 5 through the thread connection. At the same time, the front end of the stabilizing sleeve 2 abuts against the rear end of the limiting abutting piece 12 arranged at the front end of the outer side of the connecting seat 5, and the rear end of the limiting abutting piece 12 is sealed by the second sealing gasket 13 arranged at the rear end of the limiting abutting piece 12. At the same time, the rear end of the stabilizing sleeve 2 is sealed by the first sealing gasket 11 arranged at the front end of the recess on the outer side of the mounting seat 6, so as to avoid water entering the thread and the metal sheet 8 inside the magnetic clamping groove 9 from rusting.

[0031] Working principle: when the mine water inrush early warning device is used, the positioning seat 3 is first fixedly installed at the device installation position in the mine roadway. Then, the connecting seat 5 is butted with the mounting seat 6, and the adsorbing magnetic block 10 is embedded into the magnetic clamping groove 9 and is adsorbed on the metal sheet 8. The mounting seat 6 and the connecting seat 5 are magnetically and stably connected. Then, the humidity sensor 1 is installed at the front end of the positioning seat 3. Subsequently, the stabilizing sleeve 2 is rotated forward and is screwed to the outside of the fixing sleeve 7 through the thread connection. At the same time, the front and rear ends of the stabilizing sleeve 2 are sealed by the second sealing gasket 13 and the first sealing gasket 11, so as to avoid water entering the thread and the metal sheet 8 inside the magnetic clamping groove 9 from rusting, affecting the stable installation and normal disassembly of the device. The line is connected with the terminal 4 of the humidity sensor 1 and is networked and debugged. When underground water flows into the mine roadway working face and increases the air humidity, the water absorption of the hygroscopic medium in the humidity sensor 1 changes, the dielectric constant changes, the capacitance value changes, the humidity can be calculated by measuring the capacitance value, and when the humidity monitored by the humidity sensor 1 abnormally changes, a signal is sent to the control center for early warning.

[0032] The above are only preferred embodiments of the present application, and do not limit the present application, any modification to the technical solutions recorded in the foregoing embodiments, equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement made, all belong to the protection scope of the present application.

Claims

1. A magnetic mounting mine water inrush early warning device, comprising a positioning seat (3) and a humidity sensor (1) arranged at the front end of the positioning seat (3), characterized in that, Also include: The connecting seat (5) is arranged at the middle position of the rear end of the humidity sensor (1), and the rear end of the connecting seat (5) is provided with an adsorbing magnetic block (10); The mounting seat (6) is arranged at the middle position of the front end of the positioning seat (3), and the front end of the mounting seat (6) is provided with a magnetic attraction clamping groove (9), and the inside of the magnetic attraction clamping groove (9) is provided with a metal sheet (8); The fastening structure is arranged between the outside of the connecting seat (5) and the mounting seat (6).

2. The magnetic mounting mine water inrush early warning device according to claim 1, characterized in that, The adsorbing magnetic block (10), the magnetic attraction clamping groove (9) and the metal sheet (8) are annular, and the adsorbing magnetic block (10) is matched with the inside of the magnetic attraction clamping groove (9).

3. The magnetic mounting mine water inrush early warning device according to claim 1, characterized in that, One side and the bottom of the humidity sensor (1) are provided with a wiring terminal (4).

4. The magnetic mounting mine water inrush early warning device according to claim 1, characterized in that, The fastening structure includes a stable sleeve (2), a fixed sleeve (7), a first sealing gasket (11), a limiting abutting piece (12) and a second sealing gasket (13), the stable sleeve (2) is arranged outside the mounting seat (6), the fixed sleeve (7) is fixedly connected to the position close to the rear end outside the connecting seat (5), the limiting abutting piece (12) is arranged at the front end of the fixed sleeve (7) outside the connecting seat (5), the first sealing gasket (11) is arranged at the front end of the recess outside the mounting seat (6), and the second sealing gasket (13) is arranged at the rear end of the limiting abutting piece (12).

5. The magnetic mounting mine water inrush early warning device according to claim 4, characterized in that, The stable sleeve (2) can move forward and backward outside the mounting seat (6), the inside of the stable sleeve (2) is provided with an internal thread, and the outside of the fixed sleeve (7) is provided with an external thread matched with the internal thread of the stable sleeve (2).

6. The magnetic mounting mine water inrush early warning device according to claim 4, characterized in that, The limiting abutting piece (12), the first sealing gasket (11) and the second sealing gasket (13) are annular.