Mining intrinsic safety type vibration sensor

Abstract

The utility model relates to the technical field of circuit boards, and discloses a mining intrinsic safety type vibration sensor comprising a pedestal, one side of the pedestal is provided with a groove, the groove is internally provided with a mounting seat, the mounting seat is internally provided with a circuit board, the mounting seat is internally provided with a glue pouring layer wrapping the circuit board, one side of the circuit board is connected with a cable, and the other side of the circuit board is connected with a power supply. According to the device, by means of the arranged glue pouring layer, electronic elements and circuits of a circuit board can be protected, damage caused by moisture can be avoided, and the problems that in the prior art, the detection precision is affected, the detection efficiency is improved, and the detection cost is reduced are solved. And corrosion and damage of the device are easily caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration sensor technical field especially relates to a mine intrinsic safety type vibration sensor. BACKGROUND

[0002] The vibration sensor is used for detecting the vibration state of an object, such as a mechanical device, a bridge, etc. By detecting parameters such as vibration frequency and amplitude, it is determined whether the device is working normally, which is the primary link for realizing automatic detection and automatic control, and is very important for equipment health and safe production, etc.

[0003] In the Chinese patent with the publication number CN 219675276 U, a vibration sensor is disclosed, which relates to the technical field of sensors. The vibration sensor includes a circuit board, a packaging shell, a vibration unit, a MEMS chip, and an ASIC chip. The packaging shell is arranged on the circuit board and forms a packaging cavity with the circuit board. The vibration unit and the MEMS chip are located in the packaging cavity and are arranged side by side on the circuit board. The vibration unit includes a vibration ring arranged on the circuit board, a diaphragm arranged on one side of the vibration ring, and a mass block arranged on the diaphragm. The vibration ring, the diaphragm, and the circuit board collectively form a vibration cavity. The circuit board is provided with an air passage that communicates the vibration cavity and an inner cavity of the MEMS chip. The ASIC chip is embedded in the circuit board, and the ASIC chip is electrically connected to the MEMS chip and the circuit board, respectively. The vibration sensor optimizes the structure, reduces the height, saves space, reduces material input, and reduces packaging difficulty and production cost.

[0004] The above-mentioned device optimizes the structure, reduces the height, saves space, reduces material input, and reduces packaging difficulty and production cost. In the prior art, the vibration sensor often needs to work in a humid environment, which easily allows moisture or humidity to enter the vibration sensor, causing damage to the device. However, the above-mentioned device cannot be protected from moisture and humidity, affecting the accuracy of detection, and easily causing corrosion and damage to the device. SUMMARY

[0005] The utility model aims at solving the problems existing in the prior art and provides a mine intrinsic safety type vibration sensor.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a mine intrinsic safety type vibration sensor, including the base, one side of base is provided with the recess, be provided with the mounting seat in the recess, be provided with circuit board in the mounting seat, be provided with vibration sensing chip on the circuit board, be provided with the glue pouring layer in the mounting seat, the glue pouring layer wraps circuit board, one side of circuit board is connected with the cable, one side of mounting seat is provided with the cap, the cable extends to the cap outside through cap, the bottom of base is provided with adsorption installation component.

[0008] Preferably, the adsorption installation component includes a magnetic steel seat, one side of the magnetic steel seat is provided with a mounting groove, a magnetic steel is arranged in the mounting groove, and one side of the magnetic steel seat is provided with a protective plate.

[0009] Preferably, the top of the magnetic steel seat is provided with a connecting rod, and the bottom of the base is provided with a connecting groove, the connecting rod is screwed in the connecting groove.

[0010] Preferably, the mounting seat is screwed in the recess, and the base and the cap are both in the form of a nut, and the bottom of the inner cavity of the recess is provided with two openings, the openings are in communication with the positions where the mounting seat and the base are screwed.

[0011] Preferably, the inner periphery of the cap is provided with a sealing ring, and the sealing ring is located between the cable and the cap.

[0012] Preferably, the outer periphery of the mounting seat is provided with a nameplate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a mounting seat can be put into the circuit board in the mounting seat, through the glue pouring to the mounting seat, makes the glue pouring layer to be higher than circuit board 1mm or more, makes the glue pouring layer to wrap circuit board, and then installs it on the motor through the adsorption installation component, detects whether the motor is normal through the vibration sensing chip, and the signal detected is transmitted through the cable, compared with the prior art, the glue pouring layer of the device can protect the electronic components and circuit of the circuit board, avoid the damage caused by moisture, solve the problem that the precision of detection is influenced in the prior art, and the corrosion and damage of the device are easy to cause. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view of the utility model discloses a mine intrinsic safety type vibration sensor;

[0016] Fig. 2 It is a front view of the utility model discloses a mine intrinsic safety type vibration sensor;

[0017] Fig. 3A side view of a mine intrinsic safety type vibration sensor is provided in the utility model.

[0018] Fig. 4 A side sectional view of a mine intrinsic safety type vibration sensor is provided in the utility model.

[0019] In the drawing: 1, base; 2, groove; 3, mounting seat; 4, circuit board; 5, glue filling layer; 6, cable; 7, cap; 8, magnetic steel seat; 9, mounting groove; 10, magnetic steel; 11, protection plate; 12, connecting rod; 13, connecting groove; 14, opening; 15, sealing ring; 16, nameplate. Specific embodiments

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Reference Figs. 1 to 4 A mine intrinsic safety type vibration sensor, comprising a base 1, one side of the base 1 is provided with a groove 2, the groove 2 is provided with a mounting seat 3, the mounting seat 3 is provided with a circuit board 4, the circuit board 4 is provided with a vibration sensing chip, the mounting seat 3 is provided with a glue filling layer 5, the glue filling layer 5 wraps the circuit board 4, one side of the circuit board 4 is connected with a cable 6, one side of the mounting seat 3 is provided with a cap 7, the cable 6 extends to outside the cap 7 through the cap 7, the bottom of the base 1 is provided with an adsorption mounting assembly.

[0022] When the device is used, the circuit board 4 can be placed into the mounting seat 3, the glue filling layer 5 is made to be higher than the circuit board 4 by more than 1mm by pouring glue into the mounting seat 3, the glue filling layer 5 wraps the circuit board 4, and the device is installed on the motor through the adsorption mounting assembly, whether the motor works normally is detected through the vibration sensing chip, and the detected signal is transmitted out through the cable 6. Compared with the prior art, the glue filling layer 5 arranged in the device can protect the electronic elements and circuit of the circuit board 4 from damage caused by moisture, solves the problem that the precision of detection is affected in the prior art, and the corrosion and damage of the device are easily caused.

[0023] Further, the adsorption mounting assembly comprises a magnetic steel seat 8, one side of the magnetic steel seat 8 is provided with a mounting groove 9, the mounting groove 9 is provided with a magnetic steel 10, one side of the magnetic steel seat 8 is provided with a protection plate 11, the magnetic steel seat 8 is installed on one side of the base 1, and the magnetic steel 10 is arranged in the mounting groove 9, so that the device can be adsorbed on the surface of the motor through the magnetic steel 10, and the magnetic steel 10 can be prevented from directly contacting the motor through the arranged protection plate.

[0024] Further, the top of the magnetic steel seat 8 is provided with a connecting rod 12, the bottom of the base 1 is provided with a connecting groove 13, the connecting rod 12 is screwed in the connecting groove 13, and the magnetic steel seat 8 drives the connecting rod 12 to rotate by rotating in use, so that the magnetic steel seat 8 is convenient to disassemble and install.

[0025] Further, the mounting seat 3 is screwed in the groove 2, the base 1 and the cap 7 are both nut-shaped, the bottom of the inner cavity of the groove 2 is provided with two openings 14, the openings 14 and the threaded connection part of the mounting seat 3 and the base 1 are communicated, the threaded connection part of the mounting seat 3 and the base 1 is sealed by the openings 14 when the glue layer 5 is poured, and the sealing performance is improved.

[0026] Further, the inner periphery of the cap 7 is provided with a sealing ring 15, the sealing ring 15 is located between the cable 6 and the cap 7, the sealing ring 15 prevents moisture from entering the mounting seat 3, and damage of the device caused by moisture is avoided.

[0027] Further, the outer periphery of the mounting seat 3 is provided with a nameplate 16, the product information is marked on the nameplate 16 by laser printing.

[0028] It should be noted that the vibration sensor is arranged on the circuit board 4 and transmits detection data through the cable 6, which is prior art and will not be described in detail.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mining intrinsically safe vibration sensor, comprising a base (1), characterized in that: A groove (2) is provided on one side of the base (1), a mounting base (3) is provided in the groove (2), a circuit board (4) is provided in the mounting base (3), a vibration sensing chip is provided on the circuit board (4), a potting layer (5) is provided in the mounting base (3), the potting layer (5) wraps the circuit board (4), a cable (6) is connected to one side of the circuit board (4), a cap (7) is provided on one side of the mounting base (3), the cable (6) extends through the cap (7) to the outside of the cap (7), and an adsorption mounting assembly is provided below the base (1).

2. The intrinsically safe vibration sensor for mining applications according to claim 1, characterized in that: The adsorption mounting assembly includes a magnet base (8), a mounting groove (9) is provided on one side of the magnet base (8), a magnet (10) is provided in the mounting groove (9), and a protective plate (11) is provided on one side of the magnet base (8).

3. The intrinsically safe vibration sensor for mining applications according to claim 2, characterized in that: The top of the magnet base (8) is provided with a connecting rod (12), and the bottom of the base (1) is provided with a connecting groove (13). The connecting rod (12) is screwed into the connecting groove (13) by thread.

4. The intrinsically safe vibration sensor for mining applications according to claim 1, characterized in that: The mounting base (3) is screwed into the groove (2) by a thread, and both the base (1) and the cap (7) are nut-shaped. The bottom of the inner cavity of the groove (2) is provided with two openings (14), and the openings (14) and the mounting base (3) are connected to the threaded part of the base (1).

5. A mining intrinsically safe vibration sensor according to claim 1, characterized in that: A sealing ring (15) is provided on the inner circumference of the cap (7), and the sealing ring (15) is located between the cable (6) and the cap (7).

6. The intrinsically safe vibration sensor for mining applications according to claim 1, characterized in that: A nameplate (16) is provided on the outer periphery of the mounting base (3).

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