CN214670941U

CN214670941U - Wall-mounted explosion-proof intelligent sound and light alarm device

Info

Publication number: CN214670941U
Application number: CN202120724673.7U
Authority: CN
Inventors: 罗建; 李轲
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-09
Anticipated expiration: 2031-04-09

Abstract

A wall-mounted explosion-proof intelligent sound-light alarm device is characterized in that upper and lower hanging pins are arranged on the side wall of a mounting base plate, the mounting base plate is hinged to an explosion-proof shell through a hinge, a loudspeaker and a standby loudspeaker are arranged on the upper half part in the explosion-proof shell, a control main board is arranged in the explosion-proof shell, the control main board is connected with the loudspeaker and the standby loudspeaker through a voice analysis playing circuit, a warning lamp window is arranged on the front panel of the explosion-proof shell, a loudspeaker opening and a monitoring window are arranged on two side panels of the explosion-proof shell, a power line threading hole is formed in the bottom surface of the explosion-proof shell, and an explosion-proof connector is arranged at the power line threading hole; the utility model discloses a wall-hanging mounting means can install in a flexible way at the work area of arbitrary required monitoring, and the device is opened conveniently, can improve the detectivity of device by a wide margin through inside microwave induction system, and the higher applicable in various low gas or other moist, the environment that has corrosive gas of the explosion-proof grade of the device simultaneously.

Description

Wall-mounted explosion-proof intelligent sound and light alarm device

Technical Field

The utility model belongs to audible and visual alarm device field, in particular to explosion-proof type intelligence audible and visual alarm device of hanging.

Background

The sound-light alarm is an alarm signal device which is used in dangerous places and gives out alarm signals to people through sound and various lights. The explosion-proof audible and visual alarm is suitable for being installed in explosive gas environment places containing IIC-level T6 temperature groups, can also be used in 1-zone and 2-zone explosion-proof places with explosion-proof requirements in industries such as petroleum, chemical engineering and the like, and can also be used outdoors or outdoors; the explosion-proof products need to meet the requirements of GB3836 series standards (meet GB3836.1-2000 general requirements for explosion-proof electrical equipment for explosive environment and GB3836.2-2000 standard for explosion-proof electrical equipment for explosive environment, D-shaped), and are identified by state-specified detection organizations and obtain explosion-proof certificates. In addition, the alarm also needs to meet the requirements that the shell is a full stainless steel shell, the shock resistance of the lamp shell is strong, 180 clear visible ultra-bright LED luminous tubes are provided with ultra-strong buzzers, and the alarm has the characteristics of stable work, long service life, low power consumption, no influence of pollutants and water and the like.

The existing audible and visual alarm device is mostly installed in a specific workplace by adopting a fixing bolt, the portability of the device is poor, the user position can not be flexibly selected according to the actual situation of the workplace, in addition, because the shell of the device is thick, the device is usually inconvenient to open, and the sensitivity of the device detection is often restricted due to the explosion-proof requirement.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides a hanging explosion-proof type intelligence audible-visual annunciator, the device can install in the work area of arbitrary required monitoring in a flexible way through adopting wall-hanging mounting means, and the device is opened conveniently, can improve the detectivity of device by a wide margin through inside microwave induction system, and the device explosion-proof level is higher applicable in various low gas or other moist, have corrosive gas's environment simultaneously.

In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:

the utility model provides a hanging explosion-proof type intelligence audible-visual alarm device, including mounting plate and explosion-proof shell, mounting plate's upper end lateral wall department is equipped with the hitching leg, mounting plate's lower extreme lateral wall department is equipped with down the hitching leg, it is articulated through the hinge between mounting plate and the explosion-proof shell, first portion in the explosion-proof shell is equipped with speaker and spare speaker, the inside of explosion-proof shell is equipped with the control mainboard, be connected through the analytic broadcast circuit of pronunciation between control mainboard and speaker and the spare speaker, the warning light window has been seted up to the front panel department of explosion-proof shell, speaker mouth and monitoring window have been seted up to the both sides panel department of explosion-proof shell, the side panel department of one side still is equipped with the apron handle wherein, the power cord through wires hole has been seted up to the bottom face of explosion-proof shell, explosion-proof connector installs in power cord through wires hole department.

In the preferred scheme, be equipped with microwave response module and warning lamp plate on the control mainboard, microwave response module installs and passes through in the personnel outside the monitoring window and the initiative detection window, and the warning lamp plate is installed in the rear of warning light window and is sent out warning light through the warning light window side.

In the preferred scheme, tempered glass is arranged at the speaker port, the monitoring window and the warning lamp window and is separated from the outside.

In the preferred scheme, fastening bolts are arranged at the joints of the periphery of the explosion-proof shell and the mounting bottom plate, and the explosion-proof shell and the mounting bottom plate are fixedly connected through the fastening bolts.

In the preferred scheme, a sinking type power switch is arranged at the bottom of the explosion-proof shell and is electrically connected with a control main board inside the explosion-proof shell.

This patent can reach following beneficial effect:

1. the device adopts a closed design, has higher explosion-proof grade, and can be suitable for being arranged in various environments with low gas or other humid and corrosive gases;

2. the device adopts a wall-mounted mounting mode, so that the mounting flexibility is higher, and meanwhile, the device is convenient to open and convenient to maintain and overhaul;

3. the inside microwave induction system that is equipped with of device compares in its monitoring sensitivity of traditional alarm device higher, and inside double-colored pilot lamp scintillation is reported to the police and the speaker can play the function of remote suggestion and warning.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a three-dimensional schematic view of the overall appearance structure of the present invention;

FIG. 2 is a front plan view of the overall appearance structure of the present invention;

FIG. 3 is a top plan view of the device of the present invention;

FIG. 4 is a side plan view of the device of the present invention;

FIG. 5 is a cross-sectional view of the device of the present invention taken along line A-A;

fig. 6 is a cross-sectional view of the device of the present invention at B-B.

In the figure: the anti-explosion loudspeaker comprises an anti-explosion shell 1, a warning lamp window 1-1, a loudspeaker opening 1-2, a mounting base plate 2, a lower hanging pin 3-1, an upper hanging pin 3-2, a loudspeaker 4-1, a standby loudspeaker 4-2, a cover plate handle 5, a monitoring window 6, an anti-explosion connector 7, a sinking type power switch 8, a hinge 9, a control main board 10, a microwave induction module 10-1, a warning lamp plate 10-2 and a fastening bolt 11.

Detailed Description

As shown in fig. 1 to 6, a wall-mounted explosion-proof intelligent acousto-optic alarm device comprises an installation bottom plate 2 and an explosion-proof housing 1, wherein an upper hanger pin 3-2 is arranged at the side wall of the upper end of the installation bottom plate 2, a lower hanger pin 3-1 is arranged at the side wall of the lower end of the installation bottom plate 2, a user can flexibly hang the whole alarm device in any work area to be monitored through the upper hanger pin and the lower hanger pin, the installation bottom plate 2 is hinged with the explosion-proof housing 1 through a hinge 9 to realize a one-way opening and closing function, fastening bolts 11 are arranged at the connection positions of the periphery of the explosion-proof housing 1 and the installation bottom plate 2, the explosion-proof housing 1 and the installation bottom plate 2 are fixedly connected through the fastening bolts 11 to further improve the explosion-proof sealing performance of the whole device, and a cover plate handle 5 is arranged at one side of a panel of the explosion-proof housing 1 to facilitate the opening and closing between the explosion-proof housing 1 and the installation bottom plate 2;

as shown in fig. 5, a speaker 4-1 and a backup speaker 4-2 are arranged at the upper end of the explosion-proof housing 1, a control mainboard 10 is further arranged in the explosion-proof housing 1 and connected with the speaker 4-1 and the backup speaker 4-2 through a voice analysis playing circuit, the control mainboard 10 can control the speaker 4-1 to give an alarm, when the speaker 4-1 at one side fails to give an alarm, the backup speaker 4-2 at the other side immediately replaces the speaker 4-1 to give an alarm continuously, so that the reliability of the whole alarm function is ensured, the control mainboard 10 further integrates a voice coding circuit, a voice analysis playing circuit, a power amplification circuit, a storage chip, a communication chip and other devices, and the functions of monitoring, active alarm and the like of the audible and visual alarm device are realized.

As shown in fig. 1 and 5, a warning light window 1-1 is arranged at the front panel of the explosion-proof housing 1, a speaker port 1-2 and a monitoring window 6 are arranged at the two side panels of the explosion-proof housing 1, the monitoring window 6 is used for actively identifying the passage of a person by a microwave induction module 10-1 inside the explosion-proof housing 1, and the speaker port 1-2 is used for diffusing alarm sound. The bottom surface of the explosion-proof shell 1 is provided with a power line threading hole, the explosion-proof connector 7 is arranged at the power line threading hole, and the explosion-proof connector 7 ensures the explosion-proof performance and the sealing performance of the whole audible and visual alarm device.

The preferable scheme is as shown in fig. 5 and fig. 6, a microwave induction module 10-1 and a warning lamp panel 10-2 are arranged on a control main board 10, the microwave induction module 10-1 is arranged between monitoring windows 6 and actively detects the passing of personnel outside the monitoring windows, the microwave induction module 10-1 can adopt a module of GH-719 model of Shenzhen Jiehua electronics limited supply company, and the signal processing of the microwave induction displacement module adopts the program analysis of a single chip microcomputer, so that the reliability is high. The circuit board has 16-level sensitivity adjustment, and the sensing distance is adjustable within 0.3-10 m. 4 trigger mode selection, signal output time: 2 seconds, 3 seconds, 10 seconds and 30 seconds, the trigger in the daytime can be inhibited by adding the photoresistor, the module has strong radio frequency interference resistance, is not influenced by temperature, humidity, light, airflow and dust, can be arranged in non-metal shells of plastic, glass, wood and the like with certain thickness, and is conveniently applied to various products or equipment control; the warning lamp panel 10-2 is arranged behind the warning lamp window 1-1, and can send out warning light through the warning lamp window 1-1 when a warning signal needs to be sent out.

The preferable scheme is as shown in figure 1, toughened glass is arranged at the positions of the loudspeaker port 1-2, the monitoring window 6 and the warning lamp window 1-1, and is isolated from the outside, so that the tightness and the explosion resistance of the device are ensured.

In a preferred scheme, as shown in fig. 2, a sinking power switch 8 is installed at the bottom of the explosion-proof housing 1, and the sinking power switch 8 is electrically connected with a control main board 10 inside the explosion-proof housing 1 to control the start and stop of the alarm device.

The working principle of the whole device is as follows:

1. before working, the explosion-proof shell 1 is buckled and closed with the mounting bottom plate 2 through the hinge 9, then the fastening bolts 11 around the explosion-proof shell 1 are fastened to be completely buckled and closed, and finally the whole alarm device is hung and mounted in any work area needing to be monitored through the upper hanging leg and the lower hanging leg on the mounting bottom plate 2;

2. when the anti-explosion shell works, a microwave induction module 10-1 in the anti-explosion shell 1 actively identifies that a person passes through, when the monitoring window 6 on any side identifies that the person passes through, the control main board 10 can intelligently edit monitoring information of a target environment required by the worker through a voice coding circuit of the control main board, and controls the loudspeaker 4-1 or the standby loudspeaker 4-2 to broadcast voice information through a voice analysis playing circuit on the control main board 10;

3. once the communication chip in the control mainboard 10 analyzes that the monitoring information exceeds a fixed value or other set target values and the monitoring window 6 identifies that a person passes through the monitoring information, the control mainboard 10 sends out a flashing light alarm through the warning lamp panel 10-2 behind the warning lamp window 1-1; if the communication chip in the control main board 10 analyzes that the monitoring information is normal, the warning lamp panel 10-2 will not give out a flashing light alarm.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a hanging explosion-proof type intelligence audible-visual alarm device, includes mounting plate (2) and explosion-proof shell (1), its characterized in that: an upper hanging pin (3-2) is arranged on the side wall of the upper end of the mounting bottom plate (2), a lower hanging pin (3-1) is arranged on the side wall of the lower end of the mounting bottom plate (2), the mounting bottom plate (2) is hinged with the explosion-proof shell (1) through a hinge (9), a loudspeaker (4-1) and a spare loudspeaker (4-2) are arranged on the upper half part in the explosion-proof shell (1), a control mainboard (10) is arranged inside the explosion-proof shell (1), the control mainboard (10) is connected with the loudspeaker (4-1) and the spare loudspeaker (4-2) through a voice analysis playing circuit, a warning lamp window (1-1) is arranged on the front panel of the explosion-proof shell (1), a loudspeaker port (1-2) and a monitoring window (6) are arranged on the two side panels of the explosion-proof shell (1), a cover plate handle (5) is further arranged on the side panel on one side, the bottom surface of the explosion-proof shell (1) is provided with a power line threading hole, and the explosion-proof connector (7) is arranged at the power line threading hole.

2. The wall-mounted explosion-proof intelligent audible and visual alarm device according to claim 1, characterized in that: the control mainboard (10) is provided with a microwave induction module (10-1) and a warning lamp plate (10-2), the microwave induction module (10-1) is arranged between the monitoring windows (6) and actively detects the passing of personnel outside the monitoring windows, and the warning lamp plate (10-2) is arranged behind the warning lamp window (1-1) and sends warning light through the warning lamp window (1-1).

3. The wall-mounted explosion-proof intelligent audible and visual alarm device according to claim 1, characterized in that: tempered glass is arranged at the speaker port (1-2), the monitoring window (6) and the warning lamp window (1-1) and is isolated from the outside.

4. The wall-mounted explosion-proof intelligent audible and visual alarm device according to claim 1, characterized in that: the joint of the periphery of the explosion-proof shell (1) and the mounting base plate (2) is provided with fastening bolts (11), and the explosion-proof shell (1) and the mounting base plate (2) are fixedly connected through the fastening bolts (11).

5. The wall-mounted explosion-proof intelligent audible and visual alarm device according to claim 1, characterized in that: a sinking type power switch (8) is arranged at the bottom of the explosion-proof shell (1), and the sinking type power switch (8) is electrically connected with a control mainboard (10) in the explosion-proof shell (1).