Mining vibration sensing device

Abstract

The utility model provides a mining vibration sensing device. The mining vibration sensing device comprises a connecting seat, a mounting seat, a positioning block, a shell, an end seat, a circuit board, a waterproof joint and a connecting cable, the mounting seat comprises a mounting seat body and a connecting section; the connecting section is located at the end, away from the shell, of the mounting base. The connecting base is connected to the connecting section of the mounting base through threads. One end of the shell is provided with an internal thread and is connected with the connecting step at one end, facing the shell, of the mounting seat body through the thread; the other end of the shell is provided with an internal thread and is connected with the connecting step at the end, facing the shell, of the end seat through the thread; the first end of the circuit board is assembled in the inner hole of the mounting seat body through the positioning block, and the second end of the circuit board is assembled in the inner hole of the end seat; a vibration sensor and a communication interface are arranged on the circuit board; the mining drainage motor operation state monitoring device is used for monitoring the operation state of the mining drainage motor.

Description

Technical Field

[0001] The utility model relates to a sensing device, in particular to a vibration sensing device for mining. Background Art

[0002] There are usually many devices installed in coal mines and other mines. Some of the equipment requires regular manual inspection of its operating status. For example, mine drainage motors require frequent inspections of their operating status, which is not only time-consuming and labor-intensive, but also impossible to achieve real-time monitoring.

[0003] Once an abnormality occurs in a mine drainage motor, it will cause safety hazards if it is not discovered in time, resulting in the inability to drain water in the mine in time.

[0004] Currently, the Internet of Things technology is developing rapidly. Sensors can sense many physical quantities and convert them into electrical signals for output. Using vibration sensing devices to monitor the operating status of mine drainage motors has become a feasible technical solution. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a mining vibration sensor device that can be used to monitor the operating status of a mine drainage motor. To achieve the above technical objectives, the present invention adopts the following technical solutions:

[0006] The embodiment of the utility model provides a mining vibration sensor device, comprising: a connecting seat, a mounting seat, a positioning block, a shell, an end seat, a circuit board, a waterproof connector and a connecting cable;

[0007] The mounting base includes a mounting base body and a connecting section; the connecting section is located at one end of the mounting base away from the housing, and the connecting base is connected to the connecting section of the mounting base by means of threads;

[0008] The mounting base body is provided with a connecting step at one end facing the shell, and an internal thread is provided at one end of the shell and is connected to the connecting step of the mounting base body at one end facing the shell through a thread; the end seat is also provided with a connecting step at one end facing the shell, and the other end of the shell is provided with an internal thread and is connected to the connecting step of the end seat towards the shell through a thread; the first end of the circuit board is assembled in the inner hole of the mounting base body through a positioning block, and the second end of the circuit board is assembled in the inner hole of the end seat; a vibration sensor and a communication interface are provided on the circuit board; a waterproof connector is connected to the end of the end seat facing away from the shell; the connecting cable passes through the waterproof connector and is connected to the communication interface on the circuit board.

[0009] Furthermore, the positioning block includes a fixing portion, and the left and right sides of the fixing portion are each connected with a clamping portion, the side surface of the clamping portion is an arc surface, and the arc surface of the side surface of the clamping portion is adapted to the arc surface of the inner hole of the mounting seat body; a clamping slot is provided above the fixing portion.

[0010] Furthermore, the clamping parts on both sides of the fixing part of the positioning block are tightly fitted with the inner holes of the mounting seat body.

[0011] Furthermore, the fixing portion of the positioning block is provided with a fixing hole, the first end of the circuit board is clamped into the clamping slot, and the circuit board and the positioning block are fixed by screws passing through the fixing hole.

[0012] Furthermore, the transverse width of the second end of the circuit board is adapted to the diameter of the inner hole of the end seat, and the second end of the circuit board is tightly fitted into the inner hole of the end seat.

[0013] Furthermore, a heat insulating pad is provided between the connecting seat and the mounting seat.

[0014] Furthermore, a sealing ring is provided on the connecting step of the mounting seat body toward one end of the shell and on the connecting step of the end seat toward one end of the shell.

[0015] Furthermore, the outer diameter of the connecting section of the mounting seat is smaller than the outer diameter of the mounting seat body.

[0016] Furthermore, the vibration sensor on the circuit board adopts a three-axis accelerometer.

[0017] The beneficial effects of the technical solution provided by the embodiment of the utility model are:

[0018] 1) Each component is easy to assemble and firm, and has good waterproof performance.

[0019] 2) It can be attached to the motor through magnetism, which makes installation easy and quick.

[0020] 3) High measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the appearance of a mining vibration sensor device in an embodiment of the present utility model.

[0022] Figure 2 for Figure 1 AA section view.

[0023] Figure 3 This is a schematic diagram of a positioning block in an embodiment of the present utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] like Figure 1 、 Figure 2As shown, the embodiment of the present utility model provides a mining vibration sensor device, comprising: a connecting base 1, a mounting base 2, a positioning block 3, a housing 4, an end base 5, a circuit board 6, a waterproof connector 7 and a connecting cable 8;

[0026] The mounting base 2 includes a mounting base body 201 and a connecting section 202; the connecting section 202 is located at the end of the mounting base 2 away from the housing 4, and the connecting base 1 is connected to the connecting section 202 of the mounting base 2 by screw threads;

[0027] The mounting seat body 201 is provided with a connecting step at one end facing the shell 4, and an internal thread is provided at one end of the shell 4 and is connected to the connecting step of the mounting seat body 201 at one end facing the shell 4 through a thread; the end seat 5 is also provided with a connecting step at one end facing the shell 4, and an internal thread is provided at the other end of the shell 4 and is connected to the connecting step of the end seat 5 at one end facing the shell 4 through a thread; the first end of the circuit board 6 is assembled in the inner hole of the mounting seat body 201 through the positioning block 3, and the second end of the circuit board 6 is assembled in the inner hole of the end seat 5; a vibration sensor and a communication interface are provided on the circuit board 6; a waterproof connector 7 is connected to the end of the end seat 5 facing away from the shell 4; the connecting cable 8 passes through the waterproof connector 7 and is connected to the communication interface on the circuit board 6.

[0028] The mining vibration sensing device proposed in the embodiment of the present invention can be installed on a mining drainage motor to monitor the vibration signal of the mining drainage motor in real time and convert it into an electrical signal output. The upper computer analyzes the electrical signal to monitor abnormal conditions of the mining drainage motor; for example, if the vibration signal suddenly becomes larger, the corresponding electrical signal will also suddenly become larger, which may indicate that the motor bearing or rotor is damaged.

[0029] Specifically, if Figure 3 As shown, the positioning block 3 includes a fixing portion 301, and a clamping portion 302 is connected to the left and right sides of the fixing portion 301. The side surface of the clamping portion 302 is an arc surface, and the arc surface of the side surface of the clamping portion 302 is adapted to the arc surface of the inner hole of the mounting seat body 201; a clamping slot 303 is provided above the fixing portion 301; the first end of the circuit board 6 is clamped into the clamping slot 303 of the positioning block 3, and then fixed with screws, and then the positioning block 3 is horizontally placed into the inner hole of the mounting seat body 201, and the positioning block 3 is clamped in the inner hole of the mounting seat body 201.

[0030] More preferably, the clamping portions 302 on both sides of the fixing portion 301 of the positioning block 3 are tightly fitted with the inner holes of the mounting seat body 201 .

[0031] More preferably, the fixing portion 301 of the positioning block 3 is provided with a fixing hole 304 , the first end of the circuit board 6 is snapped into the slot 303 , and the circuit board 6 is fixed to the positioning block 3 by passing a screw 9 through the fixing hole 304 .

[0032] More preferably, the transverse width of the second end of the circuit board 6 is adapted to the inner hole diameter of the end base 5 , and the second end of the circuit board 6 is tightly fitted with the inner hole of the end base 5 .

[0033] In order to facilitate the installation of the mining vibration sensor device on the motor, the connecting seat 1 can be a magnetic connecting seat. When in use, the magnetic connecting seat only needs to be magnetically attracted to the motor.

[0034] Preferably, a thermal insulation pad 10 is provided between the connecting seat 1 and the mounting seat 2; the thermal insulation pad 10 can prevent a large amount of heat from being transferred into the housing 4 when the motor is running, and prevent the components on the circuit board 6 from being damaged due to excessive temperature.

[0035] More preferably, a sealing ring 11 is provided on the connection step of the mounting seat body 201 toward the shell 4 and on the connection step of the end seat 5 toward the shell 4; so that the waterproof performance is better after the shell 4 is connected with the mounting seat 2 and the end seat 5.

[0036] More preferably, the outer diameter of the connecting section 202 of the mounting seat 2 is smaller than the outer diameter of the mounting seat body 201 .

[0037] In a specific embodiment, the vibration sensor on the circuit board 6 is a three-axis accelerometer with high measurement accuracy.

[0038] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A mining vibration sensor device, characterized in that: include: Connecting seat (1), mounting seat (2), positioning block (3), housing (4), end seat (5), circuit board (6), waterproof connector (7) and connecting cable (8); The mounting seat (2) comprises a mounting seat body (201) and a connecting section (202); the connecting section (202) is located at one end of the mounting seat (2) facing away from the housing (4), and the connecting seat (1) is connected to the connecting section (202) of the mounting seat (2) via threads; The mounting seat body (201) is provided with a connection step at one end facing the housing (4), and one end of the housing (4) is provided with an internal thread and is connected to the connection step of the mounting seat body (201) at one end facing the housing (4) through the thread; the end seat (5) is also provided with a connection step at one end facing the housing (4), and the other end of the housing (4) is provided with an internal thread and is connected to the connection step of the end seat (5) at one end facing the housing (4) through the thread; the first end of the circuit board (6) is assembled in the inner hole of the mounting seat body (201) through the positioning block (3), and the second end of the circuit board (6) is assembled in the inner hole of the end seat (5); the circuit board (6) is provided with a vibration sensor and a communication interface; the waterproof connector (7) is connected to the end of the end seat (5) facing away from the housing (4); the connecting cable (8) passes through the waterproof connector (7) and is connected to the communication interface on the circuit board (6).

2. The mining vibration sensor device according to claim 1, characterized in that: The positioning block (3) comprises a fixing portion (301), the left and right sides of the fixing portion (301) are respectively connected to a clamping portion (302), the side surface of the clamping portion (302) is an arc surface, and the arc surface of the side surface of the clamping portion (302) is adapted to the arc surface of the inner hole of the mounting seat body (201); a clamping groove (303) is provided above the fixing portion (301).

3. The mining vibration sensor device according to claim 2, characterized in that: The clamping parts (302) on both sides of the fixing part (301) of the positioning block (3) are tightly fitted with the inner holes of the mounting seat body (201).

4. The mining vibration sensor device according to claim 2, characterized in that: The fixing portion (301) of the positioning block (3) is provided with a fixing hole (304); the first end of the circuit board (6) is clamped into the clamping slot (303); and the circuit board (6) and the positioning block (3) are fixed by screws (9) passing through the fixing hole (304).

5. The mining vibration sensor device according to any one of claims 1 to 4, characterized in that: The transverse width of the second end of the circuit board (6) is adapted to the inner hole diameter of the end seat (5), and the second end of the circuit board (6) is tightly fitted with the inner hole of the end seat (5).

6. The mining vibration sensor device according to any one of claims 1 to 4, characterized in that: A heat insulating pad (10) is also provided between the connecting seat (1) and the mounting seat (2).

7. The mining vibration sensor device according to any one of claims 1 to 4, characterized in that: A sealing ring (11) is provided on the connection step of the mounting seat body (201) facing one end of the housing (4) and on the connection step of the end seat (5) facing one end of the housing (4).

8. The mining vibration sensor device according to any one of claims 1 to 4, characterized in that: The outer diameter of the connecting section (202) of the mounting seat (2) is smaller than the outer diameter of the mounting seat body (201).

9. The mining vibration sensor device according to any one of claims 1 to 4, characterized in that: The vibration sensor on the circuit board (6) adopts a three-axis accelerometer.

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