CN212460746U - Monitoring system for fire control monitoring - Google Patents
Monitoring system for fire control monitoring Download PDFInfo
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- CN212460746U CN212460746U CN202021144082.4U CN202021144082U CN212460746U CN 212460746 U CN212460746 U CN 212460746U CN 202021144082 U CN202021144082 U CN 202021144082U CN 212460746 U CN212460746 U CN 212460746U
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Abstract
The utility model discloses a monitored control system for fire control usefulness relates to the intelligent monitoring technique, aims at solving and feels cigarette fire detector and can often arouse the wrong report because of gathering of the humidity of humid environment is great or dust, and its technical scheme main points are: the intelligent fire alarm system comprises a central controller, an alarm module, a smoke sensor and a temperature control sensor, wherein the temperature control sensor and the smoke sensor are used for detecting the fire situation in the space where the temperature control sensor and the smoke sensor are located so as to generate a temperature control signal and a smoke sensing signal, and the output ends of the temperature control sensor and the smoke sensor are connected with a gate circuit together. The utility model discloses an AND gate circuit improves fire alarm's accuracy, and through the sequence pulse generating circuit, can carry the position that a plurality of temperature control sensor and smoke transducer triggered to central controller through digital signal's mode, and the people of being convenient for fix a position the conflagration point fast, and gather and show through the display screen through the camera, and the people of being convenient for can be accurate to the understanding of the conflagration condition the operation of putting out a fire to the point of being on fire.
Description
Technical Field
The utility model relates to an intelligent monitoring technique, more specifically say, it relates to a monitored control system for fire control is used.
Background
With the rapid development of economic society, people have stronger protection consciousness on fire, and fire-fighting measures such as fire alarm systems and the like are installed in various buildings and public places in China at present; the existing gas fire-fighting and fire-extinguishing alarm system is mainly composed of a fire alarm device and devices with other auxiliary functions, wherein the general detection part comprises a smoke-sensitive fire detector and a temperature-sensitive fire detector, and the alarm device is triggered by smoke generated in a combustion stage and temperature rise caused by fire, so that the occurrence of the fire is detected.
In practical application, a common smoke fire detector often causes false alarm due to high humidity of a humid environment or dust accumulation, so that the trust degree of a user on the working stability of a detection system is seriously reduced, wherein in certain industrial protected space occasions, the false alarm can cause the interruption of production, and the continuity of the production and the efficiency of the production are seriously reduced.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a monitored control system for fire control usefulness improves fire alarm's accuracy through AND gate circuit, and through the sequence pulse generating circuit, can carry the position that a plurality of temperature control sensor and smoke transducer triggered to central controller through digital signal's mode, people of being convenient for fix a position the conflagration point fast, and gather and show through the display screen through the camera, the people of being convenient for are to the understanding of the conflagration condition, can be accurate to the operation of putting out a fire to the conflagration point.
The above technical purpose of the present invention can be achieved by the following technical solutions: a monitoring system for fire-fighting monitoring comprises a central controller, an alarm module, a smoke sensor and a temperature control sensor;
the temperature control sensor and the smoke sensor are used for detecting the fire condition in the space where the temperature control sensor and the smoke sensor are located so as to generate a temperature control signal and a smoke sensing signal, the output ends of the temperature control sensor and the smoke sensor are connected with a gate circuit together, and the gate circuit is used for receiving the temperature control signal and the smoke sensing signal so as to transmit a judgment signal to the central controller;
the central controller is used for receiving the judgment signal to trigger the alarm module, the central controller is connected with a video acquisition module and a video display device, and the video acquisition module is used for acquiring video images of the temperature control sensors and the smoke sensor to be transmitted to the video display device.
Through adopting above-mentioned technical scheme, setting through smoke transducer and temperature control sensor, can survey the place space, the through gate circuit carries out logical operation to the control by temperature change signal and the smoke that smoke transducer and temperature control sensor produced, the judgement signal that produces the gate circuit is received and is judged with triggering alarm module through central controller, the problem of because the gathering of the great or dust of humidity of humid environment often arouses the wrong report has been solved, and through video acquisition module and the video display device who is connected with central controller, can monitor the space at each control by temperature change sensor and smoke transducer place, the position of being convenient for people to observe the fire, be convenient for people's timely putting out a fire.
The utility model discloses further set up to: the gate circuit is based on a chip 74HC08, the input end of the gate circuit is electrically connected with the output ends of the smoke sensor and the temperature control sensor respectively, the output end of the gate circuit is connected with a sequential pulse generation circuit, and the sequential pulse generation circuit is used for receiving a judgment signal to generate square waves and transmitting the square waves to the central controller.
By adopting the technical scheme and the AND logic operation of the AND gate circuit, when the temperature control sensor and the smoke sensor need to be triggered simultaneously, the smoke sensor is conveyed to the central controller to judge the fire condition, and the accuracy of fire alarm is improved.
The utility model discloses further set up to: the sequential pulse generating circuit comprises a plurality of CT74LS194 chips, D0, D1, D2 and D3 of the CT74LS194 chips are electrically connected with output ends of a plurality of AND circuits respectively, and an output end Q1 of the CT74LS194 chips is connected with a central controller.
By adopting the technical scheme, the CT74LS194 chip is adopted to connect the plurality of AND gate circuits, so that the judging signals generated by the plurality of groups of temperature control sensors and smoke sensors through the gate circuits can form binary address signals, a square wave signal is generated and transmitted to the central controller, the circuits of people can be conveniently connected and controlled, and when a fire disaster occurs, the decoding operation can be carried out on the square wave signal, the fire site can be accurately positioned, and the fire extinguishing operation of a fireman can be conveniently carried out.
The utility model discloses further set up to: the central controller comprises a chip minimum system based on a chip MSP430f149, a first crystal oscillator circuit and a second crystal oscillator circuit, wherein the clock signal frequency of the first crystal oscillator circuit is 8MHz, and the clock signal frequency of the second crystal oscillator circuit is 32.768 Hz.
By adopting the technical scheme, the central control module comprises a chip minimum system based on a chip MSP430f149, and the first crystal oscillator circuit and the second crystal oscillator circuit are arranged, so that different clock signal frequencies can be provided, the processing speed of the chip minimum system is improved, a high-frequency clock can be selected when high-speed processing is required, a low-frequency clock can be selected when low-speed operation is required, classification processing and selection can be performed, and the operation speed of the microprocessor module can be improved.
The utility model discloses further set up to: the video acquisition module comprises a plurality of cameras, and the cameras convert video images into digital signals through an A/D conversion circuit and transmit the digital signals to the central controller.
Through adopting above-mentioned technical scheme, convert the image that the camera was shot into digital image signal through with AD converting circuit to carry out the decoding through central controller and store, the people of being convenient for gather the conflagration situation that the conflagration is on fire and the intensity of a fire, be favorable to people to know the intensity of a fire condition.
The utility model discloses further set up to: the video display device comprises a display screen or a mobile phone end, and the central controller receives the digital signals, generates video streams and transmits the video streams to the display screen or the mobile phone end.
Through adopting above-mentioned technical scheme, through adopting display screen and mobile phone end as video display device, the people of being convenient for in time look over the fire alarm condition, put out a fire the operation.
The utility model discloses further set up to: the alarm module comprises a plurality of buzzers connected with the temperature control sensor and the smoke sensor.
Through adopting above-mentioned technical scheme, through bee calling organ for when temperature control sensor and smoke transducer triggered, can drive bee calling organ and remind people, the people of being convenient for in time put out a fire or in time evacuate.
To sum up, the utility model discloses following beneficial effect has:
through smoke transducer and temperature control sensor's setting, can survey the place space, the through gate circuit carries out logical operation to smoke transducer and the temperature control signal and the smoke sense signal that temperature control sensor produced, the judgement signal that produces the gate circuit is received and is judged in order to trigger alarm module through central controller, the problem of gathering because humidity of humid environment is great or dust often arouses the wrong report has been solved, and through video acquisition module and the video display device who is connected with central controller, can monitor the space at each temperature control sensor and smoke transducer place, be convenient for people observe the position of firing, be convenient for people's timely putting out a fire.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a schematic structural diagram of the middle gate circuit of the present invention;
FIG. 3 is a schematic structural diagram of a sequential pulse generating circuit according to the present invention;
fig. 4 is a schematic structural diagram of the central controller according to the present invention.
In the figure: 1. a central controller; 2. an alarm module; 3. a smoke sensor; 4. a temperature control sensor; 5. a gate circuit; 6. a video acquisition module; 7. a video display device; 8. a sequential pulse generating circuit.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A monitoring system for fire control monitoring comprises a central controller 1, an alarm module 2, a smoke sensor 3 and a temperature control sensor 4, wherein the temperature control sensor 4 and the smoke sensor 3 are used for detecting the fire condition in the space where the temperature control sensor 4 and the smoke sensor 3 are located, concretely, each temperature control sensor 4 and each smoke sensor 3 are respectively installed in each workshop in a mode of bolts and nylon bands, the temperature control sensor 4 and the smoke sensor 3 detect the heat and the smoke quantity in each workshop to generate a temperature control signal and a smoke sensing signal, the output ends of the temperature control sensor 4 and the smoke sensor 3 are commonly connected with a gate circuit 5, the gate circuit 5 is used for receiving the temperature control signal and the smoke sensing signal to transmit a judgment signal to the central controller 1, the central controller 1 is used for receiving the judgment signal to trigger the alarm module 2, the alarm module 2 comprises a plurality of buzzers connected with the temperature control sensor 4 and the smoke sensor 3, concretely, buzzer electric connection is at central control's output for drive buzzer work when receiving judgement signal, central control 1 is connected with video acquisition module 6 and video display device 7, and video acquisition module 6 is used for gathering the video image of each temperature control sensor 4 and smoke and feels the sensor in order to carry to video display device 7.
As shown in fig. 2 and 3, the gate circuit 5 is an and circuit based on a chip 74HC08, wherein the input terminals of the and circuit are electrically connected to the output terminals of the smoke sensor 3 and the temperature control sensor 4, respectively, the output terminal of the and circuit is connected to the sequential pulse generating circuit 8, the sequential pulse generating circuit 8 comprises a plurality of CT74LS194 chips, D0, D1, D2 and D3 of the CT74LS194 chips are respectively and electrically connected with output ends of a plurality of and gate circuits, specifically, four groups of smoke sensors 3 and temperature control sensors 4 are output by the and gate circuits and respectively connected with an input end D0, an input end D1, an input end D2 and an input end D3 of the CT74LS194 chips to form binary address signals, and outputs a square wave signal at the output Q1 to the central controller 1 through the CT74LS194 chip operation, and the CP terminal of the CT74LS194 chip is connected with the central control for receiving a stable clock signal to drive the CT74LS194 chip to normally work.
As shown in fig. 4, the central controller 1 includes a minimum system based on a chip MSP430f149, a first crystal oscillator circuit and a second crystal oscillator circuit, a clock signal frequency of the first crystal oscillator circuit is 8MHz, a clock signal frequency of the second crystal oscillator circuit is 32.768Hz, and a REST terminal of the chip MSP430f149 is electrically connected with a reset circuit, specifically, the reset circuit includes a capacitor C1, a push-button switch KEY1 and a ground resistor R2, one end of the ground resistor R2 is connected to a ground terminal, one end of the ground resistor R2 far from the ground terminal is connected with the REST terminal of the chip MSP430f149, the capacitor C1 is connected in parallel to two ends of the push-button switch KEY1 and the ground resistor R2, and the REST terminal of the chip MSP430f149 is connected with a pull-up resistor R1 to a power source VCC.
As shown in fig. 1, the video capture module 6 includes a plurality of cameras, and the plurality of cameras are fixed in each workshop through the bolt fastening mode respectively and are used for capturing the video images in each workshop, and the plurality of cameras convert the video images into digital signals through the a/D conversion circuit and transmit the digital signals to the central controller 1, transmit the digital signals to the storage module through the central controller 1, the storage module is, for example, an SD memory card connected with the central controller 1, and the central controller 1 is connected with the mobile phone end or the display screen through the wireless transmission module or the serial port connection mode, display the digital images through the mobile phone end and the display sheet, so that people can check the fire conditions in each workshop in real time.
The working process is as follows: when fire breaks out, the temperature control sensor 4 in each workshop detects abnormal temperature, smoke enters the smoke sensor 3 to trigger the smoke sensor 3, the temperature control sensor 4 and the smoke sensor 3 generate a high-level signal, an AND gate circuit for AND logic operation is used, so that only when the temperature control sensor 4 and the smoke sensor 3 are triggered, a high-level judgment signal is output through the gate circuit 5, the output ends of a plurality of gate circuits 5 sequentially form a binary address signal with the input end D0, the input end D1, the input end D2 and the input end D3 of the chip CT74LS194, then the binary address signal is converted into a square wave signal through the chip CT74LS194 and is output to the central controller 1 from the output end Q1 of the chip CT74LS194, because the central controller 1 is a chip minimum system based on the chip MSP430f149, and the first crystal oscillator circuit and the second crystal oscillator circuit are used for generating a signal, the frequency of different clock signals can be provided, thereby improving the processing speed of a minimum system of a chip, selecting a high-frequency clock when high-speed processing is required, selecting a low-frequency clock when low-speed operation is required, thereby carrying out classification processing and selection, being beneficial to improving the operation speed of a microprocessor module, triggering a high-level trigger buzzer to be output through the central controller 1 when a judgment signal is transmitted to the central controller 1, further sending out a buzzing alarm sound, reminding people and carrying out evacuation operation in time, carrying out decoding operation on a transmitted square wave signal through the central controller 1 when people want to carry out fire extinguishing operation on a fire place, further reading the decoded value, quickly knowing a workshop where the temperature control sensor 4 and the smoke sensor 3 are located, and facilitating a fire fighter to arrive at the fire scene for fire extinguishing operation at the first time, and can monitor each area and carry out video image's collection through the camera in the video acquisition module 6, convert the digital image into through AD converting circuit, can carry to display and removal cell-phone end through central controller 1, the people of being convenient for in time know the condition of conflagration, make corresponding decision, reduce the loss that the conflagration caused.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A monitored control system for fire control usefulness which characterized in that: the intelligent smoke alarm system comprises a central controller (1), an alarm module (2), a smoke sensor (3) and a temperature control sensor (4);
the temperature control sensor (4) and the smoke sensor (3) are used for detecting the fire condition in the space where the temperature control sensor and the smoke sensor are located so as to generate a temperature control signal and a smoke sensing signal, the output ends of the temperature control sensor (4) and the smoke sensor (3) are connected with a gate circuit (5) together, and the gate circuit (5) is used for receiving the temperature control signal and the smoke sensing signal so as to transmit a judgment signal to the central controller (1);
the central controller (1) is used for receiving the judgment signal to trigger the alarm module (2), the central controller (1) is connected with a video acquisition module (6) and a video display device (7), and the video acquisition module (6) is used for acquiring video images of each temperature control sensor (4) and the smoke sensor to be transmitted to the video display device (7).
2. A monitoring system for fire monitoring as recited in claim 1, wherein: the gate circuit (5) is an AND gate circuit based on a chip 74HC08, the input end of the AND gate circuit is electrically connected with the output ends of the smoke sensor (3) and the temperature control sensor (4) respectively, the output end of the AND gate circuit is connected with a sequential pulse generation circuit (8), and the sequential pulse generation circuit (8) is used for receiving a judgment signal to generate a square wave and transmitting the square wave to the central controller (1).
3. A monitoring system for fire monitoring as claimed in claim 2, wherein: the sequence pulse generating circuit (8) comprises a plurality of CT74LS194 chips, D0, D1, D2 and D3 of the CT74LS194 chips are electrically connected with output ends of a plurality of AND circuits respectively, and an output end Q1 of the CT74LS194 chips is connected with the central controller (1).
4. A monitoring system for fire monitoring as recited in claim 1, wherein: the central controller (1) comprises a chip minimum system based on a chip MSP430f149, a first crystal oscillator circuit and a second crystal oscillator circuit, wherein the clock signal frequency of the first crystal oscillator circuit is 8MHz, and the clock signal frequency of the second crystal oscillator circuit is 32.768 Hz.
5. A monitoring system for fire monitoring as defined in claim 4, wherein: the video acquisition module (6) comprises a plurality of cameras, and the cameras convert video images into digital signals through an A/D conversion circuit and transmit the digital signals to the central controller (1).
6. A monitoring system for fire monitoring as defined in claim 5, wherein: the video display device (7) comprises a display screen or a mobile phone end, and the central controller (1) receives the digital signals, generates video streams and transmits the video streams to the display screen or the mobile phone end.
7. A monitoring system for fire monitoring as recited in claim 1, wherein: the alarm module (2) comprises a plurality of buzzers connected with the temperature control sensor (4) and the smoke sensor (3).
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| CN202021144082.4U CN212460746U (en) | 2020-06-18 | 2020-06-18 | Monitoring system for fire control monitoring |
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| CN202021144082.4U CN212460746U (en) | 2020-06-18 | 2020-06-18 | Monitoring system for fire control monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192277A (en) * | 2021-04-29 | 2021-07-30 | 重庆天智慧启科技有限公司 | Automatic alarm system and method for community security |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192277A (en) * | 2021-04-29 | 2021-07-30 | 重庆天智慧启科技有限公司 | Automatic alarm system and method for community security |
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