CN216791388U

CN216791388U - Noise sensor

Info

Publication number: CN216791388U
Application number: CN202220351208.8U
Authority: CN
Inventors: 张霁麟; 李莲莲
Original assignee: Jiangsu Prierte Control Engineering Co ltd
Current assignee: Jiangsu Prierte Control Engineering Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-21
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a noise sensor which comprises a noise monitoring assembly and a reserved mounting plate, wherein a pickup sensor is mounted at the front end of the noise monitoring assembly for noise monitoring, a screw I is arranged outside the pickup sensor, the noise monitoring assembly comprises a noise sensor body, a shielding cable and a monitoring head, the shielding cable and the monitoring head are sequentially arranged below the noise sensor body from left to right, and mounting assemblies for mounting and fixing are fixed on two sides of the noise monitoring assembly. This noise sensor compares with current ordinary noise sensor, inserts the hole site of reserving the mounting panel with the erection column, and erection column head is the sphere, is convenient for pack into, twists manual twisting bolt and promotes big piston along the air cavity activity, and the gudgeon pin is released along the air cavity thereupon, and the gudgeon pin card is on reserving the mounting panel, and is fixed with the installation of noise sensor body for the mode of this noise sensor installation dismantlement is comparatively convenient, the later maintenance of being convenient for.

Description

Noise sensor

Technical Field

The utility model relates to the technical field of noise sensors, in particular to a noise sensor.

Background

A pickup sensor sensitive to sound is arranged in the noise sensor, and a signal generated by the sound wave pickup sensor is positive to voltage, so that the real-time monitoring of metal friction white noise is realized. The shielding cable is adopted for connection to avoid signal interference, and the shielding cable can be arranged beside an elevator tractor to directly reflect the running state of the elevator tractor; the device can also be arranged on an escalator step chain turnover device and a truss beside a main driving chain, and is used for measuring the running noise of an elevator tractor, the running noise of the escalator step chain and the main driving chain, and the dry grinding phenomenon of the escalator step chain and the main driving chain due to the lack of lubricating oil, thereby achieving the purpose of safe running of the step chain.

The existing noise sensor is complex in installation mode, needs to spend a large amount of time, is not convenient for later maintenance and repair, can not be fine and meets the use requirements of people, and technical innovation is carried out on the basis of the existing noise sensor according to the above conditions.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a noise sensor to solve the problems set forth in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme: the noise sensor comprises a noise monitoring component and a reserved mounting plate, the front end of the noise monitoring component for noise monitoring is provided with a pickup sensor, and a first screw is arranged outside the pickup sensor, the noise monitoring assembly comprises a noise sensor body, a shielding cable and a monitoring head, and a shielding cable and a monitoring head are sequentially arranged from left to right below the noise sensor body, mounting components for mounting and fixing are fixed on two sides of the noise monitoring component, and the mounting component, a mounting column, an air cavity, a hand-screwed bolt, a bearing, a big piston and a piston pin, wherein the air cavity is fixed inside the mounting column, and the exterior of the mounting column is provided with a hand-screwed bolt, the exterior of the hand-screwed bolt is provided with a bearing, and the exterior of the bearing is provided with a large piston, the inner wall of the air cavity is provided with a piston pin, and the reserved mounting plate is mounted outside the mounting assembly.

Furthermore, the noise sensor body is fixedly connected with the pickup sensor through a first screw, and the pickup sensor is circular in shape.

Further, a shell assembly used for protection is installed above the noise monitoring assembly, the shell assembly comprises a transparent shell cover and a second screw, and the second screw is arranged outside the transparent shell cover.

Furthermore, the transparent shell cover is fixedly connected with the noise sensor body through a second screw, and the transparent shell cover is rectangular.

Furthermore, two mounting columns are symmetrically arranged at the center of the noise sensor body, and the section of each mounting column is circular.

Furthermore, the central axis of the air cavity coincides with the central axis of the mounting column, and the inner surface of the air cavity is tightly attached to the outer surface of the large piston.

Furthermore, the hand-screwed bolt is in threaded connection with the mounting column and is in rotary connection with the large piston through a bearing.

Furthermore, two piston pins are symmetrically arranged along the center of the mounting column, and the outer surface of the mounting column is tightly attached to the inner surface of the air cavity.

Compared with the prior art, the utility model has the beneficial effects that: the noise sensor is convenient to mount and dismount, and is convenient to maintain in the later period;

1. according to the utility model, through the arrangement of the mounting column, the air cavity, the hand-screwed bolt, the bearing, the large piston, the piston pin and the reserved mounting plate, the mounting column is inserted into the hole site of the reserved mounting plate, the head part of the mounting column is spherical, the mounting is convenient, the hand-screwed bolt is screwed to push the large piston to move along the air cavity, the piston pin is pushed out along the air cavity, the piston pin is clamped on the reserved mounting plate, and the noise sensor body is mounted and fixed, so that the mounting and dismounting mode of the noise sensor is convenient, and the later maintenance is convenient.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic right sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a noise monitoring component; 101. a noise sensor body; 102. a shielded cable; 103. a monitoring head; 2. a pickup sensor; 3. a first screw; 4. a housing assembly; 401. a transparent housing; 402. a second screw; 5. mounting the component; 501. mounting a column; 502. an air cavity; 503. screwing the bolt by hand; 504. a bearing; 505. a large piston; 506. a piston pin; 6. and reserving a mounting plate.

Detailed Description

As shown in fig. 1, the noise sensor comprises a noise monitoring component 1 and a reserved mounting plate 6, a pickup sensor 2 is mounted at the front end of the noise monitoring component 1 for noise monitoring, a screw i 3 is arranged outside the pickup sensor 2, the noise monitoring component 1 comprises a noise sensor body 101, a shielding cable 102 and a monitoring head 103, the shielding cable 102 and the monitoring head 103 are sequentially arranged below the noise sensor body 101 from left to right, the noise sensor body 101 is fixedly connected with the pickup sensor 2 through the screw i 3, the pickup sensor 2 is circular in shape, a housing component 4 for protection is mounted above the noise monitoring component 1, the housing component 4 comprises a transparent housing cover 401 and a screw ii 402, the screw ii 402 is arranged outside the transparent housing cover 401, the transparent housing cover 401 is fixedly connected with the noise sensor body 101 through the screw ii 402, and the transparent cover 401 is rectangular in shape.

As shown in fig. 2-3, two sides of the noise monitoring assembly 1 are fixed with mounting assemblies 5 for mounting and fixing, and the mounting assemblies 5, a mounting column 501, an air cavity 502, a hand bolt 503, a bearing 504, a large piston 505 and a piston pin 506, the air cavity 502 is fixed inside the mounting column 501, the hand bolt 503 is mounted outside the mounting column 501, the bearing 504 is arranged outside the hand bolt 503, the large piston 505 is mounted outside the bearing 504, the piston pin 506 is arranged on the inner wall of the air cavity 502, the mounting plate 6 is mounted outside the mounting assembly 5, the mounting column 501 is inserted into a hole position of the mounting plate 6, the head of the mounting column 501 is spherical for easy installation, the hand bolt 503 is screwed to push the large piston 505 to move along the air cavity 502, the piston pin 506 is pushed out along the air cavity 502, the piston pin 506 is clamped on the mounting plate 6, the noise sensor body 101 is mounted and fixed, the mode that makes this noise sensor installation dismantle is comparatively convenient, the later maintenance of being convenient for.

The working principle is as follows: when the noise sensor is used, firstly, a pickup sensor 2 sensitive to sound is arranged in a noise sensor body 101, signals generated by the pickup sensor 2 are positive to voltage, real-time monitoring of metal friction white noise is achieved, the pickup sensor is connected through a shielding cable 102 to avoid signal interference, a transparent shell 401 is installed on the noise sensor body 101 through a second screw 402 to protect the pickup sensor, an installation column 501 is inserted into a hole position reserved for an installation plate 6, the head of the installation column 501 is spherical and is convenient to install, a hand-screwed bolt 503 is screwed to push a large piston 505 to move along an air cavity 502, a piston pin 506 is pushed out along the air cavity 502, a piston pin 506 is clamped on the reserved installation plate 6, the noise sensor body 101 is installed and fixed, the hand-screwed bolt 503 is reset during disassembly, and the working principle of the noise sensor is achieved.

Claims

1. The noise sensor comprises a noise monitoring assembly (1) and a reserved mounting plate (6), and is characterized in that a pickup sensor (2) is mounted at the front end of the noise monitoring assembly (1) for noise monitoring, a screw I (3) is arranged outside the pickup sensor (2), the noise monitoring assembly (1) comprises a noise sensor body (101), a shielding cable (102) and a monitoring head (103), the shielding cable (102) and the monitoring head (103) are sequentially arranged below the noise sensor body (101) from left to right, mounting assemblies (5) for mounting and fixing are fixed on two sides of the noise monitoring assembly (1), the mounting assemblies (5), mounting columns (501), air cavities (502), hand-screwed bolts (503), bearings (504), large pistons (505) and piston pins (506) are fixed in the mounting columns (501), and air cavities (502) are fixed in the mounting columns (501), and a hand-screwed bolt (503) is installed outside the mounting column (501), a bearing (504) is arranged outside the hand-screwed bolt (503), a large piston (505) is installed outside the bearing (504), a piston pin (506) is arranged on the inner wall of the air cavity (502), and the reserved mounting plate (6) is installed outside the mounting assembly (5).

2. The noise sensor according to claim 1, wherein the noise sensor body (101) is fixedly connected with the pickup sensor (2) through a screw (3), and the pickup sensor (2) is circular.

3. The noise sensor according to claim 1, characterized in that a housing component (4) for protection is mounted above the noise monitoring component (1), and the housing component (4) comprises a transparent housing cover (401) and a screw two (402), and the screw two (402) is arranged outside the transparent housing cover (401).

4. The noise sensor according to claim 3, wherein the transparent casing (401) is fixedly connected with the noise sensor body (101) by a second screw (402), and the shape of the transparent casing (401) is rectangular.

5. The noise sensor according to claim 1, wherein two mounting posts (501) are symmetrically arranged along the center of the noise sensor body (101), and the section of the mounting posts (501) is circular.

6. The noise sensor according to claim 1, wherein the central axis of the air cavity (502) coincides with the central axis of the mounting post (501), and the inner surface of the air cavity (502) is in close contact with the outer surface of the large piston (505).

7. The noise sensor according to claim 1, wherein the hand bolt (503) is threadedly connected to the mounting post (501), and the hand bolt (503) is rotatably connected to the large piston (505) via a bearing (504).

8. The noise sensor according to claim 1, wherein the number of the piston pins (506) is two along the center of the mounting post (501), and the outer surface of the mounting post (501) is closely attached to the inner surface of the air chamber (502).