CN209764264U

CN209764264U - noise detection device of high leakproofness

Info

Publication number: CN209764264U
Application number: CN201920787447.6U
Authority: CN
Inventors: 吴林; 朱益平; 张爱红
Original assignee: Suzhou Sound Control Acoustics Technology Co Ltd
Current assignee: Suzhou Sound Control Acoustics Technology Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2019-12-10
Anticipated expiration: 2029-05-29

Abstract

The application discloses noise detection device of high leakproofness, which comprises a housin, be equipped with noise detection unit in the casing, the casing includes base and upper cover, the outward flange of the lower surface of upper cover is equipped with downwardly extending and is two at least archs of loop configuration, the outward flange of the upper surface of base is equipped with downwardly extending and is loop configuration be used for with the protruding complex two at least draw-in grooves of upper cover, the degree of depth of draw-in groove is steadilyd decrease along outside to its inboard direction, a plurality of guide pillars of downwardly extending have been laid along circumference to the upper cover, be equipped with on the base upwards extend and with the guide pin bushing of a plurality of guide pillar adaptations, noise detection unit includes control circuit board, control circuit board locates on a metal support, be equipped with a plurality of column mount tables that extend to the upper cover on the base, metal support locates on the column mount table, this application is convenient for the.

Description

Noise detection device of high leakproofness

Technical Field

The application belongs to the technical field of noise monitoring, especially, relate to a noise detection device of high leakproofness.

Background

With the progress of science and technology and the rapid development of economy, the living standard of people is continuously improved, more and more people begin to pay attention to the improvement of the living quality, and the noise pollution is gradually paid attention to by people as a primary factor influencing the living health of people. At present in some mills, most equipment all can produce the high noise of decibel when work, wherein, can seriously influence people's health when sound surpasss certain decibel value, need be equipped with some noise detection device from this in some mills, current noise detection device is bulky, installs inconveniently, and complicated workshop environment often causes the damage to noise detection device, for example: the service life of the noise detection device is seriously influenced by the collision of the noise detection device during production, the damage of dust in a workshop to internal elements of the device and the like.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved provides easy dismounting's a noise detection device of high leakproofness.

In order to solve the technical problem, the present application provides a high-sealing noise detection device, which comprises a housing, wherein a display screen and a switch are arranged on the housing, a noise detection unit is arranged in the housing, the housing comprises a base and an upper cover, at least two protrusions which extend downwards and are in an annular structure are arranged on the outer edge of the lower surface of the upper cover, at least two clamping grooves which extend downwards and are in an annular structure and are used for being matched with the protrusions of the upper cover are arranged on the outer edge of the upper surface of the base, the depth of the clamping grooves is gradually reduced along the direction from the outer side to the inner side of the clamping grooves, a plurality of guide pillars which extend downwards are distributed on the upper cover along the circumferential direction, a plurality of guide sleeves which extend upwards and are matched with the guide pillars are arranged on the base, the noise detection unit comprises a control circuit board which is arranged on a metal support, and a plurality of columnar installation tables which extend towards, the metal support is arranged on the columnar mounting table, the control circuit board is provided with a noise acquisition unit, a noise acquisition head of the noise acquisition unit extends out of the shell from the inner cavity of the shell, and the shell is provided with a yielding hole for the noise acquisition head to penetrate through.

furthermore, the casing is provided with a yielding part which is sunken towards the inner cavity of the casing at the position where the noise collecting head is installed.

Furthermore, the guide post is sequentially provided with a first elastic flange and a second elastic flange which protrude from the surface of the guide post along the direction approaching the base, the first elastic flange and the second elastic flange are arranged at intervals, an annular groove is arranged in the inner cavity of the guide sleeve, the shape of the annular groove is matched with that of the elastic flanges, and when the first elastic flange is arranged in the annular groove, the distance between the lower surface of the upper cover and the upper surface of the control circuit board is 10mm-25 mm.

Further, the guide pillar is further integrally provided with an annular limiting sheet, when the first elastic flange is arranged in the annular groove, the distance between the lower surface of the annular limiting sheet and the upper surface of the guide sleeve is 5mm-8mm, and when the first elastic flange is separated from the annular groove and is positioned at the lower side of the annular groove, the annular limiting sheet is used for abutting against the upper surface of the guide sleeve so as to block the contact between the lower surface of the upper cover and the upper surface of the control circuit board.

Furthermore, the display screen is made of a plurality of seven-segment digital tubes.

further, the base is provided with a step of stepping down the inner cavity of the base, and a power socket and an on-off key are arranged at the step of stepping down.

Further, the lower surface of base is equipped with the installing support, the installing support includes a universal pipe, the one end of universal pipe with the base is connected, the other end of universal pipe passes through a connector threaded connection mount pad.

Furthermore, the mount pad includes diaphragm and parallel arrangement's first buttress and second buttress, the one end of diaphragm with first buttress is connected, the other end with the second buttress is connected, the inboard of first buttress is equipped with the slipmat, the second buttress is equipped with a threaded rod rather than threaded connection, the threaded rod is close to the one end of first buttress and is equipped with and supports the terminal surface.

Furthermore, the joint of the upper cover and the base is provided with a dustproof pad which is of an annular structure.

Further, the noise detection device comprises a main control unit and an alarm, wherein the noise detection unit acquires a real-time signal of noise and sends the real-time signal to the main control unit, and the main control unit sends an alarm signal to the alarm after receiving the real-time signal.

The beneficial effect of this application is:

According to the high-sealing-performance noise detection device, the protrusions are matched with the clamping grooves, and the depth of the clamping grooves is gradually reduced along the direction from the outer side to the inner side of the clamping grooves, so that dust is prevented from entering and damaging internal elements of the noise detection device;

This application is through setting up the guide pillar on covering, sets up guide pin bushing easy to assemble on the base, moreover, set up first elastic flange and second elastic flange on the guide pillar, set up the annular groove of adaptation in the guide pin bushing, realize when foreign object bumps with the upper cover, produce the protection of buffering, through set up cyclic annular spacing piece on the guide pillar, make safe and reliable more of whole device, difficult by foreign object damage, greatly improved life.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

drawings

FIG. 1 is a schematic view of a portion of the structure of the present application;

FIG. 2 is a schematic view from another perspective of FIG. 1 of the present application;

FIG. 3 is a partial schematic view of a base of the present application;

FIG. 4 is a schematic view of the connection of the protrusion to the slot of the present application;

FIG. 5 is a schematic view of a metal stent of the present application;

FIG. 6 is a schematic view of the guide post of the present application;

Fig. 7 is a schematic view of a mount portion of the present application.

wherein:

2 is an upper cover, 4 is an abdicating part, 5 is a noise collecting head, 6 is an abdicating hole, 8 is a guide sleeve, 10 is a guide post, 1001 is a first elastic flange, 1002 is a second elastic flange, 1003 is an annular limiting sheet, 12 is a metal bracket, 14 is a control circuit board, 16 is a protrusion, 18 is a clamping groove, 20 is a base, 22 is an abdicating step, 24 is an on-off key, 26 is a power socket, 28 is a universal tube, 30 is a mounting seat, 3001 is a transverse plate, 3002 is a first supporting wall, 3003 is a second supporting wall, 3004 is an anti-skid pad, and 3005 is a threaded rod.

Detailed Description

The present application is further described below in conjunction with the following figures and specific examples to enable those skilled in the art to better understand the present application and to practice it, but the examples are not intended to limit the present application.

Referring to fig. 1 to 7, a noise detection device with high sealing performance according to a preferred embodiment of the present disclosure includes a housing, a display screen and an on-off switch 24 are disposed on the housing, specifically, the display screen is made of seven-segment digital tubes, a noise detection unit is disposed in the housing, the housing includes a base 20 and an upper cover 2, in order to prevent dust from entering and damaging internal components of the housing, at least two protrusions 16 extending downward and having a ring structure are disposed on an outer edge of a lower surface of the upper cover 2, at least two slots 18 extending downward and having a ring structure are disposed on an outer edge of an upper surface of the base 20 and adapted to cooperate with the protrusions 16 of the upper cover 2, in order to obtain a better sealing effect, depths of the slots 18 decrease in a direction from an outer side to an inner side thereof, a dustproof pad is disposed at a connection portion between the upper cover 2 and the base 20, the dustproof pad is of an annular structure, in order to facilitate installation, a plurality of guide pillars 10 extending downwards are distributed on the upper cover 2 along the circumferential direction, a plurality of guide sleeves 8 extending upwards and matched with the guide pillars 10 are arranged on the base 20, the noise detection unit comprises a control circuit board 14, the control circuit board 14 is arranged on a metal support 12, a plurality of columnar mounting platforms extending towards the upper cover 2 are arranged on the base 20, the metal support 12 is arranged on the columnar mounting platforms, a noise collection unit is arranged on the control circuit board 14, a noise collection head 5 of the noise collection unit extends out of the shell from the inner cavity of the shell, and a abdication hole 6 for the noise collection head 5 to penetrate through is formed in the shell. In order to make the whole device more portable, the housing is provided with a recess 4 which is concave towards the inner cavity of the housing, and the noise collecting head 5 is arranged on the housing.

In order to prevent the noise detection device with high sealing performance from being damaged when a foreign object collides with the noise detection device, it is preferable that the guide pillar 10 is sequentially provided with a first elastic flange 1001 and a second elastic flange 1002 protruding from the surface of the guide pillar 10 in a direction approaching the base 20, the first elastic flange 1001 and the second elastic flange 1002 are arranged at intervals, an inner cavity of the guide sleeve 8 has an annular groove, the shape of the annular groove is matched with that of the elastic flanges, the second elastic flange 1002 is engaged in the annular groove during normal use, the distance between the lower surface of the upper cover 2 and the upper surface of the control circuit board 14 is 10mm-25mm, and a specific distance is preferably 15mm in order to make the volume of the noise detection device smaller.

In order to protect the components in the housing from being damaged, the guide post 10 is further integrally provided with an annular limiting piece 1003, when the first elastic flange 1001 is disposed in the annular groove, the distance between the lower surface of the annular limiting piece 1003 and the upper surface of the guide sleeve 8 is 5mm to 8mm, preferably 6mm, and when the external impact force is too great to exceed the bearing range of the first elastic flange 1001, the first elastic flange 1001 is separated from the annular groove and is located at the lower side of the annular groove, and the annular limiting piece 1003 is used for abutting against the upper surface of the guide sleeve 8 to block the contact between the lower surface of the upper cover 2 and the upper surface of the control circuit board 14.

In order to make it portable and portable, the base 20 is provided with a receding step 22 sunken towards the inner cavity of the base, and a power socket 26 and a switch 24 are arranged at the receding step 22.

Specifically, the lower surface of base 20 is equipped with the installing support, the installing support includes a universal pipe 28, the one end of universal pipe 28 with base 20 is connected, the other end of universal pipe 28 passes through a connector threaded connection mount 30. The mount pad 30 includes that diaphragm 3001 and parallel arrangement's first rampart 3002 and second prop up wall 3003, diaphragm 3001's one end with first rampart 3002 is connected, the other end with the second props up wall 3003 and connects, first rampart 3002's inboard is equipped with slipmat 3004, the second props up wall 3003 and is equipped with a threaded rod 3005 rather than threaded connection, the one end that threaded rod 3005 is close to first rampart 3002 is equipped with and supports the terminal surface.

The noise detection device further comprises a main control unit and an alarm, wherein the noise detection unit acquires real-time signals of noise and sends the real-time signals to the main control unit, the main control unit receives the real-time signals and then sends alarm signals to the alarm, and the alarm is an LCD indicator lamp.

The above-described embodiments are merely preferred embodiments for fully illustrating the present application, and the scope of the present application is not limited thereto. The equivalent substitution or change made by the person skilled in the art on the basis of the present application is within the protection scope of the present application. The protection scope of this application is subject to the claims.

Claims

1. A high-sealing noise detection device comprises a shell and is characterized in that a display screen and a switch are arranged on the shell, a noise detection unit is arranged in the shell, the shell comprises a base and an upper cover, at least two protrusions which extend downwards and are of an annular structure are arranged on the outer edge of the lower surface of the upper cover, at least two clamping grooves which extend downwards and are of an annular structure and are matched with the protrusions of the upper cover are arranged on the outer edge of the upper surface of the base, the depth of the clamping grooves is gradually reduced along the direction from the outer side to the inner side of the clamping grooves, a plurality of guide pillars which extend downwards are distributed on the upper cover along the circumferential direction, a plurality of guide sleeves which extend upwards and are matched with the guide pillars are arranged on the base, the noise detection unit comprises a control circuit board which is arranged on a metal support, and a plurality of columnar installation tables which extend towards the upper cover are arranged on the base, the metal support is arranged on the columnar mounting table, the control circuit board is provided with a noise acquisition unit, a noise acquisition head of the noise acquisition unit extends out of the shell from the inner cavity of the shell, and the shell is provided with a yielding hole for the noise acquisition head to penetrate through.

2. The high seal noise detection device of claim 1, wherein the housing has a relief portion recessed into an interior of the housing for receiving the noise collection head.

3. The device for detecting noise with high sealing performance as claimed in claim 1, wherein the guide pillar is sequentially provided with a first elastic flange and a second elastic flange protruding from the surface of the guide pillar along a direction approaching the base, the first elastic flange and the second elastic flange are arranged at intervals, the guide sleeve has an annular groove in an inner cavity, the shape of the annular groove is matched with that of the elastic flanges, and when the first elastic flange is arranged in the annular groove, the distance between the lower surface of the upper cover and the upper surface of the control circuit board is 10mm-25 mm.

4. The device for detecting noise with high sealing performance according to claim 3, wherein the guide pillar is further integrally provided with an annular limiting piece, when the first elastic flange is disposed in the annular groove, a distance between a lower surface of the annular limiting piece and an upper surface of the guide sleeve is 5mm to 8mm, and when the first elastic flange is separated from the annular groove and is located at a lower side of the annular groove, the annular limiting piece is used for abutting against the upper surface of the guide sleeve to block the contact between the lower surface of the upper cover and the upper surface of the control circuit board.

5. The high-sealability noise detection device of claim 1, wherein the display screen is made of seven-segment digital tubes.

6. The noise detection device with high sealing performance according to claim 1, wherein the base is provided with a receding step recessed towards an inner cavity of the base, and a power socket and an on-off key are arranged at the receding step.

7. The high-sealing noise detection device according to claim 1, wherein a mounting bracket is disposed on a lower surface of the base, the mounting bracket comprises a universal tube, one end of the universal tube is connected to the base, and the other end of the universal tube is connected to a mounting seat through a connector screw thread.

8. The device for detecting noise with high sealing performance according to claim 7, wherein the mounting seat comprises a transverse plate and a first supporting wall and a second supporting wall which are arranged in parallel, one end of the transverse plate is connected with the first supporting wall, the other end of the transverse plate is connected with the second supporting wall, the inner side of the first supporting wall is provided with an anti-slip pad, the second supporting wall is provided with a threaded rod which is in threaded connection with the second supporting wall, and one end of the threaded rod, which is close to the first supporting wall, is provided with a supporting end face.

9. The high-sealing noise detection device according to claim 1, wherein a dust-proof pad is disposed at a joint of the upper cover and the base, and the dust-proof pad is of an annular structure.

10. The noise detection device with high sealing performance according to claim 1, further comprising a main control unit and an alarm, wherein the noise detection unit acquires a real-time signal of noise and sends the signal to the main control unit, and the main control unit receives the real-time signal and then sends an alarm signal to the alarm.