CN219225640U - Intelligent fire detection alarm for building - Google Patents

Abstract

The utility model discloses an intelligent fire detection alarm for a building, which comprises a chassis and a visual detection unit; and a case: the left side of the bottom wall surface is provided with a PLC controller, the upper end of the left wall surface of the case is provided with a wireless data transmitter, and the front surface of the case is provided with an audible and visual alarm; visual detection unit: including fixed plate, rotary rod, dwang, L type pole one and vision camera, the fixed plate sets up in the inner chamber upper end of quick-witted case, is connected with the rotary rod through bearing rotation in the trompil that the fixed plate middle part set up, is connected with the dwang through bearing two rotations in the rotatory downthehole of rotary rod lower extreme setting, and this building intelligent fire detection alarm can carry out comprehensive inspection to the building, has reached the purpose of building intelligent fire detection alarm, has improved the factor of safety that the building was lived greatly, fuses the data that multiple sensor detected, can accomplish high timeliness and high accuracy ground to building real-time environment detection.

Description

Intelligent fire detection alarm for building

Technical Field

The utility model relates to the technical field of building fire detection and alarm, in particular to an intelligent building fire detection alarm.

Background

Fire is a very dangerous accident, and when the fire occurs, the fire brings life and property loss to people and pollutes the environment, so that how to discover the fire in time, quickly alarm and safely evacuate becomes an important problem in the modern society, and the building is used as a place where people live and work, so that the establishment of a fire detection alarm system is more indispensable;

along with the progress of science and technology and the development of intellectualization, a building intellectualization fire detection alarm system has become a mainstream gradually, for example, in a modern building, a large-scale fire pump is installed, advanced automatic water spraying systems, fireproof doors and other devices are equipped, and meanwhile, various sensors and detectors can be connected with each other through the technology of the Internet of things to form a high-efficiency fire detection system, so that intelligent monitoring of building fire is realized;

although the building intelligent fire detection alarm is widely applied to buildings, a plurality of problems still exist in the actual use process, at the initial stage of fire occurrence, the signals can be very weak due to too large space, so that the detection sensor cannot recognize at the first time, the early warning signals can be given only when the fire range is enlarged and the combustion is very intense, at the moment, most of the early warning signals can be recognized only through a camera, most of the existing cameras are directly fixed in a monitoring area due to the consideration of cost, and the angle of the cameras can be adjusted, but due to the influence of internal transmission or a connecting rod structure, the angle of the cameras is still limited.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the intelligent fire detection alarm for the building, can comprehensively patrol the building, achieves the purpose of intelligent fire detection alarm for the building, can detect the real-time environment of the building with high timeliness and high accuracy, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an intelligent fire detection alarm for a building comprises a case and a visual detection unit;

and a case: the left side of the bottom wall surface is provided with a PLC controller, the upper end of the left wall surface of the case is provided with a wireless data transmitter, and the front surface of the case is provided with an audible and visual alarm;

visual detection unit: the camera comprises a fixed plate, a rotating rod, an L-shaped rod I and a visual camera, wherein the fixed plate is arranged at the upper end of an inner cavity of a case, the rotating rod is rotationally connected in an opening arranged in the middle of the fixed plate through a bearing, the rotating rod is rotationally connected in a rotating hole arranged at the lower end of the rotating rod through a bearing II, the right end of an extrados surface of the rotating rod is provided with the L-shaped rod I, and the left side of the lower end of the L-shaped rod I is provided with the visual camera;

wherein: the input of PLC controller electricity is connected external power source, wireless data transmitter and the two-way electricity of PLC controller are connected, the output of PLC controller is connected to audible-visual annunciator's input electricity, the input of PLC controller is connected to visual camera's output electricity, can carry out comprehensive inspection to the building, reached the purpose of building intelligent fire detection warning, improved the factor of safety that the building was lived greatly, fused the data that multiple sensor detected, can accomplish high timeliness and high accuracy and detect building real-time environment.

Further, the visual detection unit further comprises a first motor, the first motor is arranged in the middle of the upper surface of the fixed plate through a mounting seat, the lower end of an output shaft of the first motor is fixedly connected with the upper end of the rotating rod, and the input end of the first motor is electrically connected with the output end of the PLC controller to play a role in quick driving.

Further, still include spacing direction shell, the round hole corresponding with the rotary rod has been seted up at the up end middle part of spacing direction shell, and the extrados left end of dwang is equipped with L type pole two, and the front end left side of L type pole two is equipped with spherical head, and spherical head cooperates the setting with the annular guide way that spacing direction shell intrados set up to this inclination angle adjustment that realizes the vision camera in building monitoring area.

Further, all be equipped with electric putter in the mounting hole that the horizontal symmetry in fixed plate upper surface middle part set up, electric putter's flexible end lower extreme all with spacing direction shell's up end fixed connection, electric putter's the output of all electricity connection PLC controller has played quick driven effect.

Further, the middle parts of the lower ends of the left surface and the right surface of the chassis are respectively provided with a mounting plate, the middle parts of the lower surfaces of the mounting plates on the right side are provided with temperature sensors, and the output ends of the temperature sensors are electrically connected with the input ends of the PLC, so that the temperature in a building is detected in real time.

Further, still include smoke transducer, smoke transducer sets up in left mounting panel lower surface middle part, and smoke transducer's output electricity is connected the input of PLC controller, detects the smog in the building in real time.

Furthermore, the spherical head is a ceramic wear-resistant spherical head, and the service life of the spherical head is prolonged by utilizing the characteristics of ceramic materials.

Compared with the prior art, the utility model has the beneficial effects that: the intelligent fire detection alarm for the building has the following advantages:

1. when the monitoring area of the vision camera in the building needs to be subjected to horizontal angle adjustment, the PLC controller regulates and controls the operation of the motor, the motor output shaft rotates to drive the rotary rod, the L-shaped rod and the vision camera to synchronously rotate, meanwhile, the spherical head can relatively slide with the annular guide groove arranged on the inner cambered surface of the limiting guide shell, so that the horizontal angle adjustment of the vision camera in the monitoring area of the building is realized, when the monitoring area of the vision camera in the building needs to be subjected to inclination angle adjustment, the PLC controller regulates and controls the electric push rod to operate, the telescopic end of the electric push rod stretches out to drive the limiting guide shell to synchronously move downwards, the limiting guide shell moves downwards in the downward process to synchronously rotate by taking the rotary rod as the axis through the spherical head, so that the inclination angle adjustment of the vision camera in the monitoring area of the building is realized, and when the telescopic end of the electric push rod is retracted, the vision camera reversely carries out the inclination angle adjustment, so that the comprehensive inspection of the building can be carried out, in the process, the vision camera operates in real time and captures the building scene in the monitoring area, and the obtained building scene is captured, and the image can be detected by the PLC controller, namely, the image detection result can be obtained by the PLC, and the image detection result can be classified by the PLC. Whether fire exists in the building scene, smoke exists, the number of people in the building scene, whether dangerous information is transmitted to a terminal server through a wireless data transmitter is judged according to the condition of smoke, and whether an audible and visual alarm is regulated and controlled to operate is judged at the same time, so that the intelligent fire detection alarm of the building is achieved, and the safety coefficient of residence of the building is greatly improved.

2. The temperature sensor and the smoke sensor operate in real time to detect the temperature and the smoke in the building, meanwhile, the temperature sensor and the smoke sensor synchronously transmit acquired temperature and smoke concentration information to the PLC controller, the PLC controller comprehensively analyzes all data, judges whether dangerous information is transmitted to a terminal server through a wireless data transmitter, judges whether an audible and visual alarm is regulated and controlled to operate, when one of the visual camera, the temperature sensor and the smoke sensor reaches an alarm threshold value, and at least one detection signal reaches the alarm threshold value, the PLC controller regulates and controls the audible and visual alarm to operate, the audible and visual alarm operates to alarm people in the building, and meanwhile, the wireless data transmitter transmits alarm signals to relevant monitoring personnel to the terminal, the data detected by a plurality of sensors are fused, and under the support of a comprehensive algorithm of the PLC controller, the real-time environment detection of the building can be achieved with high timeliness and high accuracy.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural diagram of the visual inspection unit of the present utility model.

In the figure: 1 machine case, 2 mounting panel, 3 temperature sensor, 4 smoke transducer, 5PLC controller, 6 wireless data transmission ware, 7 audible and visual alarm, 8 visual detection unit, 81 fixed plate, 82 rotary rod, 83 dwang, 84L type pole one, 85 visual camera, 86 motor one, 9 electric putter, 10 spacing direction shell, 11L type pole two, 12 spherical head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: an intelligent fire detection alarm for a building comprises a case 1 and a visual detection unit 8;

case 1: the machine case 1 provides an installation supporting place for the accessory mechanism units, a PLC (programmable logic controller) 5 is arranged on the left side of the bottom wall surface of the machine case 1, the PLC 5 regulates and controls the operation of each electrical element, a wireless data transmitter 6 is arranged at the upper end of the left wall surface of the machine case 1, the wireless data transmitter 6 can transmit the current detected information to a terminal server, an audible and visual alarm 7 is arranged on the front surface of the machine case 1, and the audible and visual alarm 7 operates to alarm people in a building;

visual detection unit 8: the device comprises a fixed plate 81, a rotating rod 82, a rotating rod 83, an L-shaped rod 84 and a visual camera 85, wherein the fixed plate 81 is arranged at the upper end of an inner cavity of a case 1, the rotating rod 82 is rotationally connected in an opening arranged in the middle of the fixed plate 81 through a bearing, the rotating rod 83 is rotationally connected in a rotating hole arranged at the lower end of the rotating rod 82 through a bearing II, the L-shaped rod 84 is arranged at the right end of an extrados surface of the rotating rod 83, the visual camera 85 is arranged at the left side of the lower end of the L-shaped rod 84, the visual detection unit 8 further comprises a motor 86, the motor 86 is arranged at the middle part of the upper surface of the fixed plate 81 through a mounting seat, the lower end of an output shaft of the motor 86 is fixedly connected with the upper end of the rotating rod 82, the input end of the motor 86 is electrically connected with the output end of the PLC 5, when the monitoring area of the visual camera 85 in a building is required to be horizontally angularly adjusted, the PLC controller 5 regulates and controls the operation of the motor one 86, the rotation of the output shaft of the motor one 86 drives the rotating rod 82, the rotating rod 83, the L-shaped rod one 84 and the visual camera 85 to synchronously rotate, meanwhile, the spherical head 12 can relatively slide with the annular guide groove arranged on the inner cambered surface of the limiting guide shell 10, so that the horizontal angle of the visual camera 85 in a monitoring area of a building is adjusted, the building can be comprehensively patrolled, in the process, the visual camera 84 runs in real time and captures building scenes in the monitoring area, the obtained building scene data are synchronously given to the PLC controller 5, the PLC controller 5 carries out AI target detection algorithm reasoning on the captured building scene images, and can obtain the classification result of target detection of the corresponding images, and the target classification result comprises: whether fire, smoke and the number of people in the building scene exist in the building scene or not is judged, whether dangerous information is transmitted to a terminal server through a wireless data transmitter 6 or not is judged according to the smoke and fire condition, and whether an audible and visual alarm 7 is regulated and controlled to operate is judged at the same time, so that the purpose of intelligent fire detection and alarm of the building is achieved, and the safety coefficient of building residence is greatly improved;

wherein: the input of PLC controller 5 is connected outside power electrically, and wireless data transmitter 6 is connected with the two-way electricity of PLC controller 5, and the output of PLC controller 5 is connected to audible-visual annunciator 7's input electricity, and the input of PLC controller 5 is connected to the output electricity of vision camera 84, regulates and control each electrical components operation.

Wherein: still include spacing direction shell 10, the round hole corresponding with rotary rod 82 has been seted up at the up end middle part of spacing direction shell 10, the extrados left end of dwang 83 is equipped with L type pole two 11, the front end left side of L type pole two 11 is equipped with spherical head 12, spherical head 12 cooperates the setting with the annular guide way that spacing direction shell 10 intrados set up, spacing direction shell 10 stirs L type pole two 11 through spherical head 12 in the downshift process, dwang 83, L type pole one 84 and vision camera 85 rotate taking dwang 83 as the axle center in step, thereby realize the inclination angle adjustment of vision camera 85 in building monitoring area, the contained angle that forms between the A part body of rod on L type pole one 84 and the B part body of rod on L type pole two 11 is ninety degrees.

Wherein: electric putter 9 is all equipped with in the mounting hole that transverse symmetry set up in fixed plate 81 upper surface middle part, electric putter 9's flexible end lower extreme all with spacing direction shell 10 up end fixed connection, the output of PLC controller 5 is all connected to electric putter 9's input electricity, PLC controller 5 regulation and control electric putter 9 operation, electric putter 9's flexible end stretches out and drives spacing direction shell 10 and move down in step, the same reason, when electric putter 9's flexible end is retracted, visual camera 85 then reverse carries out inclination angle adjustment, has played quick driven effect.

Wherein: the left and right surface lower extreme middle part of quick-witted case 1 all is equipped with mounting panel 2, and the mounting panel 2 lower surface middle part on right side is equipped with temperature sensor 3, and the input of PLC controller 5 is connected to temperature sensor 3's output electricity, and simultaneously temperature sensor 3 real-time operation detects the temperature in the building, and temperature sensor 3 is synchronous for PLC controller 5 with the temperature that acquires simultaneously.

Wherein: still include smoke transducer 4, smoke transducer 4 sets up in left mounting panel 2 lower surface middle part, and the input of PLC controller 5 is connected to smoke transducer 4's output electricity, and simultaneously smoke transducer 4 operates in real time and detects the smog in the building, and smoke transducer 4 is synchronous for PLC controller 5 with the smog concentration information that acquires simultaneously.

Wherein: the spherical head 12 is a ceramic wear-resistant spherical head, and the service life of the spherical head 12 is prolonged by utilizing the characteristics of ceramic materials.

The working principle of the intelligent fire detection alarm for the building provided by the utility model is as follows: when the horizontal angle of the monitoring area of the vision camera 85 in the building is required to be adjusted, the PLC controller 5 regulates and controls the motor I86 to operate, the output shaft of the motor I86 rotates to drive the rotary rod 82, the rotary rod 83, the L-shaped rod I84 and the vision camera 85 to synchronously rotate, meanwhile, the spherical head 12 can relatively slide with the annular guide groove arranged on the inner cambered surface of the limit guide shell 10, so that the horizontal angle of the vision camera 85 in the monitoring area of the building is adjusted, when the inclination angle of the monitoring area of the vision camera 85 in the building is required to be adjusted, the PLC controller 5 regulates and controls the electric push rod 9 to operate, the telescopic end of the electric push rod 9 stretches out to drive the limit guide shell 10 to synchronously move downwards, the limiting guide shell 10 stirs the L-shaped rod II 11, the rotating rod 83, the L-shaped rod I84 and the visual camera 85 through the spherical head 12 in the downward moving process and synchronously rotates by taking the rotating rod 83 as the axis, so that the inclination angle of the visual camera 85 in a monitoring area in a building is adjusted, and similarly, when the telescopic end of the electric push rod 9 is retracted, the visual camera 85 reversely carries out inclination angle adjustment, so that the building can be comprehensively patrolled, in the process, the visual camera 84 operates in real time and captures building scenes in the monitoring area, and the obtained building scene data is synchronized to the PLC controller 5, the PLC controller 5 carries out AI target detection algorithm reasoning on the captured building scene images, and the classification result of target detection of the corresponding images can be obtained, wherein the target classification result comprises: whether fire exists in a building scene, smoke exists, the number of people in the building scene is judged, whether dangerous information is transmitted to a terminal server through a wireless data transmitter 6 or not is judged according to the condition of smoke, and meanwhile whether an audible and visual alarm 7 is regulated and controlled to operate is judged, so that the purpose of building intelligent fire detection alarm is achieved, the safety coefficient of building residence is greatly improved, meanwhile, a temperature sensor 3 and a smoke sensor 4 operate in real time to detect the temperature and the smoke in the building, meanwhile, the temperature sensor 3 and the smoke sensor 4 synchronously transmit acquired temperature and smoke concentration information to a PLC (programmable logic controller) 5, the PLC 5 comprehensively analyzes all data, judges whether the dangerous information is transmitted to the terminal server through the wireless data transmitter 6 or not, and meanwhile judges whether the audible and visual alarm 7 is regulated and controlled, when one of a visual camera 84, the temperature sensor 3 and the smoke sensor 4 reaches an alarm threshold, the audible and visual alarm 7 is regulated and controlled by the PLC 5, the audible alarm 7 operates to perform alarm on the building, meanwhile, the acquired temperature and smoke concentration information is synchronously transmitted to the PLC 5 through the wireless data transmitter 6 to the terminal server, and the relevant data can be accurately and timely detected by the PLC 5 under the condition of high-accuracy and high-speed, and high-accuracy performance can be achieved.

It should be noted that, in the above embodiment, the core chip of the PLC controller 5 is selected from a PLC single chip microcomputer, the specific model is STM32, the wireless data transmitter 6, the audible and visual alarm 7, the visual camera 84, the motor one 86, the electric push rod 9, the temperature sensor 3 and the smoke sensor 4 can be freely configured according to the practical application scenario, the wireless data transmitter 6 is selected from a wireless data transmitter with model number SeDTU300, the audible and visual alarm 7 is selected from an audible and visual alarm with model number TGSG-01Y, the visual camera 84 is selected from a visual camera with model number DS-2CD2525FWD-IWS, the motor one 86 is selected from a motor with model number 130M-09520C5-E, the electric push rod 9 is selected from an electric push rod with model number JC35N8, the temperature sensor 3 is selected from a temperature sensor with model number DS18B20, the smoke sensor 4 is selected from a smoke sensor with model number SD13021, and the PLC controller 5 controls the wireless data transmitter 6, the motor one 86, the electric push rod 9 and the smoke sensor 4 are commonly used in the conventional methods.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. An intelligent fire detection alarm of building, its characterized in that: comprises a case (1) and a visual detection unit (8);

case (1): the left side of the bottom wall surface is provided with a PLC (programmable logic controller) controller (5), the upper end of the left wall surface of the chassis (1) is provided with a wireless data transmitter (6), and the front surface of the chassis (1) is provided with an audible and visual alarm (7);

visual detection unit (8): the intelligent camera comprises a fixed plate (81), a rotating rod (82), a rotating rod (83), an L-shaped rod I (84) and a visual camera (85), wherein the fixed plate (81) is arranged at the upper end of an inner cavity of a machine case (1), the rotating rod (82) is rotationally connected in an opening arranged in the middle of the fixed plate (81) through a bearing, the rotating rod (83) is rotationally connected in a rotating hole arranged at the lower end of the rotating rod (82) through a bearing II, the L-shaped rod I (84) is arranged at the right end of an extrados surface of the rotating rod (83), and the visual camera (85) is arranged at the left side of the lower end of the L-shaped rod I (84);

wherein: the input end of the PLC (5) is electrically connected with an external power supply, the wireless data transmitter (6) is electrically connected with the PLC (5) in a bidirectional mode, the input end of the audible and visual alarm (7) is electrically connected with the output end of the PLC (5), and the output end of the visual camera (85) is electrically connected with the input end of the PLC (5).

2. A building intelligent fire detection alarm as claimed in claim 1, wherein: the visual detection unit (8) further comprises a motor I (86), the motor I (86) is arranged in the middle of the upper surface of the fixed plate (81) through a mounting seat, the lower end of an output shaft of the motor I (86) is fixedly connected with the upper end of the rotating rod (82), and the input end of the motor I (86) is electrically connected with the output end of the PLC (5).

3. A building intelligent fire detection alarm as claimed in claim 1, wherein: still include spacing direction shell (10), the round hole corresponding with rotary rod (82) has been seted up at the up end middle part of spacing direction shell (10), and the extrados left end of dwang (83) is equipped with L type pole two (11), and the front end left side of L type pole two (11) is equipped with spherical head (12), and annular guide way cooperation setting that spherical head (12) and spacing direction shell (10) intrados set up.

4. A building intelligent fire detection alarm according to claim 3, wherein: electric putter (9) are all equipped with in the mounting hole that transverse symmetry set up in fixed plate (81) upper surface middle part, and the flexible end lower extreme of electric putter (9) all is connected with the up end fixed of spacing direction shell (10), and the output of PLC controller (5) is all connected to the input of electric putter (9).

5. A building intelligent fire detection alarm as claimed in claim 1, wherein: the middle part of the lower ends of the left surface and the right surface of the case (1) are respectively provided with a mounting plate (2), the middle part of the lower surface of the mounting plate (2) on the right side is provided with a temperature sensor (3), and the output end of the temperature sensor (3) is electrically connected with the input end of the PLC (5).

6. A building intelligent fire detection alarm as claimed in claim 1, wherein: the intelligent smoke detection device is characterized by further comprising a smoke sensor (4), wherein the smoke sensor (4) is arranged in the middle of the lower surface of the left mounting plate (2), and the output end of the smoke sensor (4) is electrically connected with the input end of the PLC (5).

7. A building intelligent fire detection alarm according to claim 3, wherein: the spherical head (12) is a ceramic wear-resistant spherical head.

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