CN219303118U

CN219303118U - Intelligent fire alarm

Info

Publication number: CN219303118U
Application number: CN202223241647.2U
Authority: CN
Inventors: 张宏磊; 涂祥; 黄玉发; 刘付鹏; 金亮; 刘文峰
Original assignee: Jiangxi Fashion Technology Co Ltd
Current assignee: Jiangxi Fashion Technology Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-04
Anticipated expiration: 2032-11-30

Abstract

The utility model provides an intelligent fire alarm, wherein MCU forms signal connection with smoke transducer, alkane sensor, temperature sensor, flame detector, camera respectively, MCU forms control connection with audible-visual annunciator, MCU encapsulates in the casing, and the control motor on the casing forms transmission with the cross body and is connected, and the cross body is located outside the casing, and the cross body end is equipped with smoke transducer, alkane sensor, temperature sensor, flame detector respectively. Multiple detection functions of smoke, alkane, temperature and flame radiation in the environment are formed through various sensing devices, various parameters of fire are processed by an MCU (micro control unit) to be jointly judged to obtain accurate monitoring results, and meanwhile, various sensors are driven to change sampling positions and view angles at all times by means of a rotating mechanism of a cross body, so that richer and comprehensive sampling information is obtained, the types of criteria for fire monitoring are effectively increased, the mobility of sampling points is improved, the report missing rate is reduced, the accuracy is improved, and the fire safety of important places is ensured.

Description

Intelligent fire alarm

Technical Field

The utility model belongs to the technical field of alarm devices, and particularly relates to an intelligent fire alarm.

Background

The fire alarm is signal equipment for preventing the spread of indoor and outdoor fire, and with the development of modern industrial technology, indoor and outdoor energy and chemical facilities are frequently applied, so that the requirements for fire-fighting early warning measures are more comprehensive, and particularly, the fire alarm becomes an essential important facility in the occasion of dense personnel or more inflammable and explosive products.

The traditional fire alarm has single function and is generally only used as a fire smoke monitoring function, and the judgment standard for monitoring in a fire environment is only smoke-free monitoring, or sampling information is obtained through a fixed position or a visual angle. At present, people have higher and higher alarm accuracy of alarms and visual attention to equipment data reading, but the traditional fire alarm equipment has single fire monitoring criterion and fixed sampling points, has higher missing report rate, and has potential safety hazards in fire protection application of important industries and commercial places, so an intelligent alarm device with comprehensive functions needs to be designed.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides an intelligent fire alarm which is used for increasing the criterion types of fire monitoring, improving the fluidity of sampling points, reducing the missing report rate, improving the accuracy and ensuring the fire safety of important places.

The utility model is implemented by the following technical scheme: the utility model provides an intelligent fire alarm, includes MCU, wherein, MCU forms signal connection with smoke transducer, alkane sensor, temperature sensor, flame detector, camera respectively, MCU forms control connection with audible-visual annunciator, MCU encapsulates in the casing, audible-visual annunciator install in on the casing, the casing is fixed to be equipped with control motor, control motor output shaft forms the transmission with the cross body and is connected, the cross body is located outside the casing, the cross body comprises two mutually perpendicular's horizontal pole body, four ends of cross body are installed respectively and are equipped with smoke transducer alkane sensor temperature sensor flame detector.

Further, MCU and NB module form signal connection, NB module respectively with cloud server, APP port form signal connection.

Furthermore, the MCU and the cradle head form signal connection, and the camera is supported and arranged outside the shell through the cradle head.

Further, the camera is located above the casing.

Furthermore, the detection directions of the smoke sensor, the alkane sensor, the temperature sensor and the flame detector are all directed to the obliquely lower side far away from the central line of the cross body.

Further, the flame detector is of a type of a purple infrared composite flame detector.

Further, the control motor is a miniature motor.

The beneficial effects of the utility model are as follows: the MCU is respectively connected with various sensing devices to form a signal connection, multiple detection functions aiming at smoke particles, alkane combustible gas, temperature and flame light radiation in the environment are formed, the MCU is utilized to process various parameters of fire conditions to carry out joint judgment so as to obtain accurate monitoring results, meanwhile, the rotating mechanism of the cross body is utilized to drive various sensors to change sampling positions and visual angles at all times, so that richer and comprehensive sampling information is obtained, the criterion types of fire monitoring are effectively increased, the fluidity of sampling points is improved, the report missing rate is reduced, the accuracy is improved, and the fire safety of important places is ensured.

Drawings

FIG. 1 is a schematic diagram of a functional module according to an embodiment of the present utility model;

FIG. 2 is a front elevational view of the structure of an embodiment of the present utility model;

fig. 3 is a bottom view of the structure of an embodiment of the present utility model.

In the figure: 10-MCU, 11-smoke sensor, 12-alkane sensor, 13-temperature sensor, 14-flame detector, 15-audible and visual alarm, 16-NB module, 17-APP port, 18-cloud server, 20-casing, 21-control motor, 22-cross body, 23-cloud platform, 30-camera.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples of the specification.

As shown in fig. 1-3, an intelligent fire alarm comprises an MCU10, wherein the MCU10 is respectively in signal connection with a smoke sensor 11, an alkane sensor 12, a temperature sensor 13, a flame detector 14 and a camera 30, the MCU10 is in control connection with an audible and visual alarm 15, the MCU10 is packaged in a casing 20, the audible and visual alarm 15 is mounted on the casing 20, the casing 20 is fixedly provided with a control motor 21, an output shaft of the control motor 21 is in transmission connection with a cross 22, the cross 22 is positioned outside the casing 20, two mutually perpendicular rods in the cross 22 are in horizontal arrangement, and the smoke sensor 11, the alkane sensor 12, the temperature sensor 13 and the flame detector 14 are respectively mounted at four ends of the cross 22, so that sampling positions of the various sensors and the detectors can be adjusted at any moment according to rotation of the cross 22.

In this embodiment, the MCU10 and the NB module 16 form signal connection, the NB module 16 respectively forms signal connection with the cloud server 18 and the APP port 17, so that after the MCU10 collects the data of the fire detection unit (smoke particles, alkane flammable gas, temperature and flame light radiation), the current fire is jointly distinguished, when any item of the data exceeds the threshold value, the data is reported to the cloud server 18 and the APP port 17 in real time through the NB module 16, the remote user is notified in a short message pushing and micro message applet mode, and the remote user is ensured to realize fire alarm knowing.

In this embodiment, the MCU10 is in signal connection with the pan-tilt 23, the camera 30 is supported and arranged outside the casing 20 by the pan-tilt 23, when a remote worker monitors a target location by the camera 30, the angle of the pan-tilt 23 can be controlled to adjust the view angle of the camera, and meanwhile, when any one of the monitoring threshold values of the smoke sensor 11, the alkane sensor 12, the temperature sensor 13 and the flame detector 14 exceeds the standard, the pan-tilt 23 is automatically controlled by the MCU10 by using the azimuth pointed by the cross 22 where the sensor is located, so that the camera 30 is aligned to the target azimuth, thereby accurately monitoring the suspicious region and stopping fire spread in time.

The working principle of this embodiment is as follows:

the alarm is arranged at a target place, the alarm is positioned at a high position above inflammable industrial products, the MCU10 drives the control motor 21 to drive the cross frame body 22 to move in a forward and reverse reciprocating mode, the rotation angle of each cycle of the control motor 21 is less than or equal to 360 degrees to prevent electric lines from knotting, meanwhile, the control motor 21 is ensured to rotate at a constant speed every cycle, various sensors and detectors can generate enough stay time at each prescription position, wherein the smoke sensor 11 can rotate along with the end of the cross frame body 22 to sample all areas of east, south, west and north, the possibility of leakage due to the fact that smoke concentration differences at all positions appear is effectively prevented, the alkane sensor 12, the temperature sensor 13 and the flame detector 14 can sample all areas of east, south, west and north, the possibility of leakage due to the fact that alkane combustible gas concentration, temperature are high and low and flame light radiation intensity are respectively prevented, further, abundant and comprehensive sampling information is obtained, the criteria of effectively increased, the flowability is improved, the flowability is lowered, the accuracy of the smoke sensor is improved, the smoke sensor is prevented from being driven to be positioned at the position of the remote monitoring platform, the remote monitoring platform is more than the MCU 23, and the alarm can be controlled to be remotely and the remote-controlled by the MCU 23, and the alarm can be controlled to be positioned near the fire-fighting station according to the fire-fighting station, and the fire-fighting station can be remotely and the fire-fighting station.

In this embodiment, the camera 30 is located above the housing 20, so as to ensure that the camera 30 has a better shooting field of view, and does not interfere with the installation and detection spaces of various sensors.

In this embodiment, the detection directions of the smoke sensor 11, the alkane sensor 12, the temperature sensor 13 and the flame detector 14 are all directed to the obliquely lower side far from the center line of the cross 22, so as to ensure that the obliquely lower detection areas of the sensors and the detectors can be rotationally scanned after the sensors and the detectors rotate along with the cross 22, wherein especially the optical radiation detection function of the flame detector 14 can obtain a larger peripheral monitoring area, so that sampling monitoring is performed in a larger area range right below and around the alarm.

In this embodiment, the flame detector 14 is a composite flame detector with ultraviolet and infrared, so that detection operation can be accurately performed for both open fire and high-temperature heat storage parts, and the report missing rate is further reduced and the fire alarm accuracy is improved.

In the present embodiment, the control motor 21 is of the micro motor type, ensuring energy saving by turning on the control motor 21 for a long period of time.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the utility model in any way, and other forms of equivalents may be substituted for those skilled in the art according to the claims, which shall fall within the scope of the utility model.

Claims

1. An intelligent fire alarm, includes MCU, its characterized in that: MCU forms signal connection with smoke transducer, alkane sensor, temperature sensor, flame detector, camera respectively, MCU forms control connection with audible-visual annunciator, MCU encapsulates in the casing, audible-visual annunciator install in on the casing, the casing is fixed to be equipped with control motor, control motor output shaft forms transmission with the cross and is connected, the cross body is located outside the casing, the cross body comprises two mutually perpendicular horizontal pole bodies, four ends of cross body are installed respectively and are equipped with smoke transducer alkane sensor temperature sensor flame detector.

2. The intelligent fire alarm system of claim 1, wherein: MCU forms signal connection with the NB module, the NB module forms signal connection with cloud server, APP port respectively.

3. The intelligent fire alarm system of claim 1, wherein: the MCU and the cradle head form signal connection, and the camera is supported and arranged outside the shell through the cradle head.

4. An intelligent fire alarm unit according to claim 3 wherein: the camera is located above the shell.

5. The intelligent fire alarm system of claim 1, wherein: the detection directions of the smoke sensor, the alkane sensor, the temperature sensor and the flame detector are all towards the obliquely lower part far away from the central line of the cross body.

6. The intelligent fire alarm system of claim 1, wherein: the flame detector is of a type of ultraviolet-infrared composite flame detector.

7. The intelligent fire alarm system of claim 1, wherein: the control motor is a miniature motor.