CN113178044A - Intelligent safety system based on human body detection - Google Patents
Intelligent safety system based on human body detection Download PDFInfo
- Publication number
- CN113178044A CN113178044A CN202110463490.9A CN202110463490A CN113178044A CN 113178044 A CN113178044 A CN 113178044A CN 202110463490 A CN202110463490 A CN 202110463490A CN 113178044 A CN113178044 A CN 113178044A
- Authority
- CN
- China
- Prior art keywords
- power
- central processing
- module
- processing unit
- detection unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 241000282414 Homo sapiens Species 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 49
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 238000004880 explosion Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 230000003321 amplification Effects 0.000 claims description 25
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 7
- 102100024061 Integrator complex subunit 1 Human genes 0.000 claims description 3
- 101710092857 Integrator complex subunit 1 Proteins 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000005693 optoelectronics Effects 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 fire Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Alarm Systems (AREA)
Abstract
The embodiment of the invention discloses an intelligent safety system based on human body detection, which belongs to the technical field of intelligent safety and comprises a central processing unit, a number detection unit, an overflow detection unit, an explosion detection unit, a smoke and fire detection unit, an automatic power-on and power-off module, an automatic blowout module, a drainage module, a remote alarm unit and a voice alarm unit, wherein the number detection unit, the overflow detection unit, the explosion detection unit and the smoke and fire detection unit are connected with the input end of the central processing unit, and the automatic power-on and power-off module, the automatic blowout module, the drainage module, the remote alarm unit and the voice alarm unit are connected with the output end of the central processing unit. According to the method, the number 1 and the number 2 of infrared correlation and automatic power-on and power-off modules are utilized, a certain time is set, when the number of people in the certain time is 0, a voice alarm circuit is started, the automatic power-on and power-off modules are controlled to be powered off, and electricity utilization safety accidents are prevented from being caused; the low-cost Lm324 four operational amplifier chip is adopted, and the device has the advantages of low practical price and high detection reliability.
Description
Technical Field
The embodiment of the invention relates to the technical field of intelligent safety, in particular to an intelligent safety system based on human body detection.
Background
With the development of the times, intelligent systems are more and more popular, and the intelligent systems are computer systems for generating intelligent behaviors of human beings. The intelligent system comprises two parts of hardware and software, wherein the hardware consists of a processor, a memory, display equipment, input equipment, induction equipment and other parts, and a plurality of programming languages can be selected in the aspect of the software and then implanted into hardware equipment for testing and tuning to complete specific functions by matching with the hardware. In order to solve the potential safety hazard in daily life, people provide an intelligent safety system.
At present, various common intelligent safety systems have the following defects: the cost is high, for example, video monitoring, the cost is increased by hundreds of yuan for each increase of one monitoring head; the installation is inconvenient, and the wall needs to be penetrated, punched and wired; the function is single, and even if the picture is seen, no corresponding processing coping way exists. The safety problem of electricity, water, fire and gas under the condition that the number of people in important places such as factories, companies, warehouses, families and the like is 0 is not suitable for being comprehensively solved.
Therefore, how to provide a novel intelligent safety system, low price, maintenance and convenient replacement make it widely suitable for places such as warehouse, laboratory, solve the safety problem of electricity, water, fire, gas under the condition that the number of people is 0 in important place, be the technical problem that technical staff in the field need to solve urgently.
Disclosure of Invention
Therefore, the embodiment of the invention provides an intelligent safety system based on human body detection, which aims to solve the problem that potential safety hazards cannot be comprehensively solved due to single function in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the utility model provides an intelligent safety system based on human detection, includes central processing unit, number detecting element, overflow detecting element, explodes detecting element, firework detecting element, automatic break-make electric module, automatic blowout module, drainage module, remote alarm unit and voice alarm unit, number detecting element, overflow detecting element, explode detecting element and firework detecting element with the central processing unit input is connected, automatic break-make electric module, automatic blowout module, drainage module, remote alarm unit and voice alarm unit with the central processing unit output is connected.
Further, the number of people detecting element includes infrared correlation and No. 2 infrared correlation 1, No. 1 infrared correlation and No. 2 infrared correlation positive pole link to each other with the power, No. 1 infrared correlation and No. 2 infrared correlation negative pole ground connection, No. 1 infrared correlation includes No. 1 infrared emitter, No. 1 infrared receiver, No. 2 infrared correlation includes No. 2 infrared emitter and No. 2 infrared receiver, No. 1 infrared receiver and No. 2 infrared receiver's OUT1 and OUT2 respectively with central processing unit's INT0 and INT1 link to each other.
Further, the automatic power on/off module is a single-phase power on/off control module or a three-phase power on/off control module.
Further, the single-phase power on/off control module comprises a first driver, a first photoelectric isolator and a single-phase current relay, wherein one end of the first photoelectric isolator is connected with the single-phase current relay, the other end of the first photoelectric isolator is grounded, one end of the single-phase current relay is connected with a power supply, one end of the first driver is connected with the first photoelectric isolator, and the other end of the first driver is connected with the P1.2 of the central processing unit.
Further, the three-phase power on and off control module comprises a second driver, a second photoelectric isolator and a three-phase current relay, wherein one end of the second photoelectric isolator is connected with the three-phase current relay, the other end of the second photoelectric isolator is grounded, one end of the third phase current relay is connected with a power supply, one end of the second driver is connected with the second photoelectric isolator, and the other end of the second driver is connected with the P1.2 of the central processing unit.
Further, the overflow detection unit comprises a water level detection device and a voltage comparison circuit 1, the water level detection device comprises a stainless steel column, a stainless steel water line 1 and a stainless steel water line 2, the voltage comparison circuit 1 comprises resistors R12, R13, R14 and a comparator U3A, one end of the resistor R14 is connected with the stainless steel water line 1, one end of the resistor R13 is connected with the stainless steel water line 2, and a pin 1 of the comparator U3A is connected with a pin P1.5 of the central processing unit.
Further, the drainage module comprises a third driver, a third photoelectric isolator, a first current relay and a water pump, one end of the third photoelectric isolator is connected with the first current relay, the other end of the third photoelectric isolator is grounded, one end of the first current relay is connected with a power supply, the water pump is connected with the first current relay, one end of the third photoelectric isolator is connected with the third driver, and the third driver is connected with the P1.1 of the central processing unit.
Further, the explosion detection unit comprises a sensor MY1, a resistor MR1 and a voltage comparison circuit 2, wherein the voltage comparison circuit 2 comprises a comparator U1B, resistors MR2, MR3 and a sliding resistor MRW1, one end of the sensor MY1 is connected with one end of the resistor MR1, the other end of the resistor MR1 is connected with a pin 5 of the comparator U1B, and a pin 7 of the comparator U1B is connected with a pin P1.6 of the central processing unit.
Further, the smoke and fire detection unit comprises a transmitting tube VTX1, a receiving tube VRX1, resistors R1 and R2, integrated operational amplifier circuits 1 and 2, voltage comparison circuits 3 and 4 and transistor amplification circuits 1 and 2, the cathode of the transmitting tube VTX1 is connected with the anode of the receiving tube VRX1, the integrated operational amplifier circuit 1 is connected with the integrated operational amplifier circuit 2, the integrated operational amplifier circuit 2 is connected with the voltage comparison circuit 3, the voltage comparison circuit 3 is connected with the transistor amplification circuit 2, the integrated operational amplifier circuit 1 comprises capacitors C1 and C2, resistors R3 and R4 and R5 and an operational amplifier U2A, the integrated operational amplifier circuit 2 comprises capacitors C3 and C4, resistors R6, R7, R8 and an operational amplifier U2B, the anode of the transmitting tube VTX1 is connected with a resistor R1, the cathode of the receiving tube VRX1 is connected with a capacitor C5928, and the cathode of the receiving tube VRX1 is connected with a positive electrode of the resistor R6863, and the positive voltage comparison circuit 3 is connected with the positive electrode of the operational amplifier U2, RW1, Ra and comparator U2C, the voltage comparison circuit 4 includes resistors RX1, R12, RW2, Rb and comparator U2D, the transistor amplification circuit 1 includes resistors R10, R11, a transistor Q1 and diodes LED1, D2, the transistor amplification circuit 2 includes resistors R13, R14, diodes D1, D3, LED2 and a transistor Q2, the voltage comparison circuit 4 is connected with the transistor amplification circuit 2, and the cathodes of the diode D2 and diode D3 are connected with P3.7 of the cpu.
Further, the automatic fire-fighting module comprises a fourth drive, a fourth photoelectric isolator, a second current relay and a water spray pump, wherein one end of the fourth photoelectric isolator is connected with the second current relay, the other end of the fourth photoelectric isolator is grounded, one end of the second current relay is connected with a power supply, the water spray pump is connected with the second current relay, one end of the fourth photoelectric isolator is connected with the fourth drive, and the fourth drive is connected with the P1.4 of the central processing unit.
Further, the comparators U3A, U1B, U2C and U2D and the operational amplifiers U1A and U2B are Lm324 four-operational amplifier chips.
Furthermore, the remote alarm unit is a wireless remote alarm module, and the wireless remote alarm module is connected with the output end of the central processing unit.
Further, the voice alarm unit comprises a trigger voice circuit, a power amplification circuit and a loudspeaker SP1, wherein the trigger voice circuit comprises resistors RW1, RW2 and R3, capacitors C4 and C5, and a trigger voice chip U2, one end of the resistor R3 is connected with P1.4 of the central processing unit, the resistors RW1 and RW2 are connected with pins 2 and 3 of the trigger voice chip U2, the power amplification circuit comprises resistors R1 and R2, capacitors C1 and C2, and a power amplification chip U1, one end of the loudspeaker SP1 is connected with pin 8 of the power amplification chip U1, and the other end of the loudspeaker SP1 is connected with pins 4 and 5 of the power amplification chip U1.
The embodiment of the invention has the following advantages:
the system utilizes the No. 1 infrared correlation, the No. 2 infrared correlation and the automatic power-on and power-off module to be installed at an entrance and an exit, and is used for detecting the entrance and the exit of people on the one hand, and recording the number of the entering and exiting people on the other hand, so as to calculate whether people exist in an internal space, set a certain time, and when the number of people in the certain time is 0, a voice alarm circuit is started to further inquire, finally determine that the number of people in the space is 0, and the automatic power-on and power-off module is controlled to be powered off to prevent the occurrence of electricity utilization safety accidents; the low-cost Lm324 four-operational amplifier chip is adopted in the fire detection device, smoke can be generated to detect during fire, the fire can be detected at high temperature during fire, the fire detection device has the advantages of being low in practical price, high in detection reliability and capable of comprehensively detecting various fires.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a block diagram of the working principle of an embodiment of the present invention;
fig. 2 is a schematic diagram of installation of infrared correlation No. 1 and No. 2 provided by an embodiment of the present invention;
FIG. 3 is a circuit diagram of a people number detecting unit according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of a single-phase power-on and power-off control module according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a three-phase power-on and power-off control module according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an overflow detecting unit according to an embodiment of the present invention;
FIG. 7 is a circuit diagram of a drainage module according to an embodiment of the present invention;
FIG. 8 is a circuit diagram of an explosion detection unit according to an embodiment of the present invention;
FIG. 9 is a circuit diagram of a smoke detection unit provided by an embodiment of the present invention;
FIG. 10 is a circuit diagram of an automatic blowout module according to an embodiment of the present invention;
FIG. 11 is a circuit diagram of a remote alarm unit provided by an embodiment of the present invention;
FIG. 12 is a circuit diagram of a voice alarm unit provided in accordance with an embodiment of the present invention;
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the related technical problems in the prior art, the embodiment of the application provides an intelligent safety system based on human body detection, and aims to solve the problems of single function and the like of the existing intelligent safety system and realize the effect of multifunctional control. Referring to fig. 1-12, the fire and smoke alarm system specifically comprises a central processing unit, a number detection unit, an overflow detection unit, a fire and smoke detection unit, an automatic on-off module, an automatic blowout module, a water discharge module, a remote alarm unit and a voice alarm unit, wherein the number detection unit, the overflow detection unit, the fire and smoke detection unit and the smoke and smoke detection unit are connected with the input end of the central processing unit, and the automatic on-off module, the automatic blowout module, the water discharge module, the remote alarm unit and the voice alarm unit are connected with the output end of the central processing unit. The number detecting unit is used for detecting whether someone exists in the space, the overflow detecting unit is used for detecting whether water runs out in the space, the explosion detecting unit is used for detecting whether harmful gas exists in the space, and the smoke and fire detecting unit is used for detecting whether fire exists in the space. The automatic power-on and power-off module is used for automatically powering off when the number of people in the space is detected to be 0, water leakage, fire and harmful gas, so that power utilization safety accidents are avoided. The automatic fire extinguishing module is used for starting the water spraying pump when a fire condition is detected in the space, and controlling the fire condition not to be spread. The drainage module is used for starting the suction pump when detecting the interior running water of space, avoids instrument damage and personnel's injury. The remote alarm unit is used for carrying out automatic remote alarm when detecting water leakage, fire and harmful gas in the space, so that the space is timely rescued. The voice alarm unit is used for playing voices such as water leakage, fire, air leakage and the like when detecting water leakage, fire and harmful gas in the space, prompting personnel in the space and taking measures in time.
Specifically, in this embodiment, as shown in fig. 3, the people number detection unit includes infrared correlation 1 and infrared correlation 2, the infrared correlation 1 and infrared correlation 2 anodes are connected to the power supply, the infrared correlation 1 and infrared correlation 2 cathodes are grounded, the infrared correlation 1 includes an infrared emitter 1 and an infrared receiver 1, the infrared correlation 2 includes an infrared emitter 2 and an infrared receiver 2, and OUT1 and OUT2 of the infrared receivers 1 and 2 are connected to INT0 and INT1 of the central processing unit, respectively. When people enter, firstly, the level of the OUT1 end is changed from 1 to 0, then the level of the OUT2 end is changed from 1 to 0, and meanwhile, the number of people in the 'internal space' recorded by the program is added with 1; when people enter, the level of the OUT2 terminal is firstly changed from 1 to 0, then the level of the OUT2 terminal is changed from 1 to 0, meanwhile, the number of people in the 'internal space' recorded by the program is subtracted by 1, and finally, the number of people in the space is calculated.
Specifically, in this embodiment, the automatic power on/off module is a single-phase power on/off control module or a three-phase power on/off control module. As shown in fig. 4, the single-phase power-on and power-off control module includes a first driver, a first optical isolator and a single-phase current relay, one end of the first optical isolator is connected to the single-phase current relay, the other end of the first optical isolator is grounded, one end of the single-phase current relay is connected to the power supply, one end of the first driver is connected to the first optical isolator, and the other end of the first driver is connected to P1.2 of the central processing unit. As shown in fig. 5, the three-phase power on/off control module includes a second driver, a second optoelectronic isolator and a three-phase current relay, one end of the second optoelectronic isolator is connected to the three-phase current relay, the other end of the second optoelectronic isolator is grounded, one end of the third phase current relay is connected to the power supply, one end of the second driver is connected to the second optoelectronic isolator, and the other end of the second driver is connected to P1.2 of the central processing unit. And selecting a single-phase power-on and power-off control module or a three-phase power-on and power-off control module according to different loads in actual conditions. If the number of people in the internal space is determined to be 0, setting delay time according to a software algorithm, and when the number of people in the internal space is still 0 after the delay time, outputting a high level by P1.2 of the central processing unit to control the first photoelectric isolator and the second photoelectric isolator to generate current, so that armatures of the single-phase current relay and the three-phase current relay are closed with the normally open contact, and the power supply is disconnected.
Specifically, in this embodiment, as shown in fig. 6, the overflow water detecting unit includes a water level detecting device including a stainless steel column, a stainless steel water line 1 and a stainless steel water line 2, and a voltage comparing circuit 1, and the water level detecting device is installed on the ground at an appropriate position and height. The voltage comparison circuit 1 comprises resistors R12, R13, R14 and a comparator U3A, wherein one end of the resistor R14 is connected with a stainless steel water line 1, one end of the resistor R13 is connected with a stainless steel water line 2, and a pin 1 of the comparator U3A is connected with a P1.5 of the central processing unit. If the water does not leak, the resistance between the stainless steel water line 1 and the stainless steel water line 2 is infinite, the voltage of a pin 3 of the comparator U3A is higher than the voltage of a pin 2, the pin 1 of the comparator U3A outputs a high level to the P1.5 of the central processing unit, according to a software algorithm, the P1.1 of the central processing unit outputs a low level, the water pump does not pump water, and the alarm circuit does not give an alarm.
Specifically, in this embodiment, as shown in fig. 7, the drainage module includes a third driver, a third optoelectronic isolator, a first current relay, and a water pump, where one end of the third optoelectronic isolator is connected to the first current relay, the other end of the third optoelectronic isolator is grounded, one end of the first current relay is connected to the power supply, the water pump is connected to the first current relay, one end of the third optoelectronic isolator is connected to the third driver, and the third driver is connected to P1.1 of the cpu. If the water runs out, water exists between the stainless steel water line 1 and the stainless steel water line 2, the water has resistance, the voltage of a pin 3 of the comparator U3A is lower than the voltage of a pin 2, a pin 1 of the comparator U3A outputs low level to a pin P1.5 of the central processing unit, the pin P1.1 of the central processing unit outputs high level according to a software algorithm to control the third photoelectric isolator to generate current, so that an armature of the first current relay is closed with a contact connected with a water suction pump to supply power to the water drainage control module to start water suction, an alarm circuit alarms according to the software algorithm, and the power failure is controlled by the automatic power on-off module.
Specifically, in this embodiment, as shown in fig. 8, the explosion detection unit includes a sensor MY1, a resistor MR1, and a voltage comparison circuit 2, where the voltage comparison circuit 2 includes a comparator U1B, resistors MR2, MR3, and a sliding resistor MRW1, one end of the sensor MY1 is connected to one end of the resistor MR1, the other end of the resistor MR1 is connected to pin 5 of the comparator U1B, and pin 7 of the comparator U1B is connected to pin P1.6 of the cpu. MRW1 can adjust the sensitivity of circuit detection, when the sensor MY1 detects harmful gas and then the voltage of pin 5 of the comparator U1B rises, when the voltage of pin 5 is higher than the voltage of pin 6, pin 7 of the comparator U1B outputs high level to P1.6 of the central processing unit, according to software algorithm, the alarm circuit gives an alarm, and meanwhile, the power failure is controlled by an automatic power-on and power-off module.
Specifically, in this embodiment, as shown in fig. 9, the smoke and fire detection unit includes a transmitting tube VTX1, a receiving tube VRX1, resistors R1 and R2, integrated operational amplifier circuits 1 and 2, voltage comparison circuits 3 and 4, and transistor amplifier circuits 1 and 2, a cathode of the transmitting tube VTX1 is connected to an anode of the receiving tube VRX1, the integrated operational amplifier circuit 1 is connected to the integrated operational amplifier circuit 2, the integrated operational amplifier circuit 2 is connected to the voltage comparison circuit 3, the voltage comparison circuit 3 is connected to the transistor amplifier circuit 2, the integrated operational amplifier circuit 1 includes capacitors C1 and C2, resistors R3, R4 and R5, the integrated operational amplifier circuit 2 includes capacitors C3 and C4, resistors R6, R7, R8 and an operational amplifier U2B, an anode of the transmitting tube VTX1 is connected to a resistor R1, a cathode of the receiving tube VRX1 is connected to a positive electrode of the capacitor C6372, the voltage comparison circuit 3 includes a resistor R2 and a resistor RX 2, a comparator circuit 2 includes a resistor RW2 and a comparator circuit 2, a resistor RW2, a comparator circuit 2, a resistor RW2, R12, RW2, Rb and a comparator U2D, wherein the transistor amplifying circuit 1 comprises resistors R10, R11, a triode Q1 and diodes LED1 and D2, the transistor amplifying circuit 2 comprises resistors R13, R14, diodes D1, D3, LED2 and a triode Q2, the voltage comparison circuit 4 is connected with the transistor amplifying circuit 2, and the cathodes of the diode D2 and the diode D3 are connected with the P3.7 of the central processing unit. The transmitting tube VTX1 and the receiving tube VRX1 are arranged in an optical labyrinth which can shield the external stray light interference but does not influence the smoke entering. In the smokeless state, the receiving tube can only receive weak infrared light. When smoke enters, the light signal received by the receiving tube is enhanced due to the scattering effect of smoke particles. When smoke reaches a certain concentration, a 3-pin signal of the operational amplifier U2A is increased, the signal is compared with a signal of the comparator U2C through an amplifying circuit of the operational amplifier U2A and an amplifying circuit of the operational amplifier U2B, the voltage of a 10 pin of the comparator U2C is higher than the voltage of a 9 pin of the U2C, an 8 pin of the comparator U2C outputs high level, the triode Q1 is conducted, an 8 pin of the comparator U2C outputs high level to the P3.7 of the central processing unit, an alarm circuit alarms according to a software algorithm, and meanwhile, the power failure is controlled through an automatic power-on and-off module; when a fire disaster happens, the environmental temperature is increased and is far higher than the temperature of natural weather, the voltage of a pin 12 of the U2D is increased, when the temperature is increased to a certain degree, the voltage of the pin 12 of the comparator U2D is higher than the voltage of a pin 13, the pin 14 of the comparator U2D outputs high level, the triode Q2 is conducted, the pin 14 of the comparator U2D outputs high level to the P3.7 of the central processing unit, an alarm circuit alarms according to a software algorithm, and meanwhile, the power failure is controlled by the automatic power-on and power-off electric module.
Specifically, in this embodiment, as shown in fig. 10, the automatic blowout module includes a fourth driver, a fourth optoelectronic isolator, a second current relay, and a water jet pump, one end of the fourth optoelectronic isolator is connected to the second current relay, the other end of the fourth optoelectronic isolator is grounded, one end of the second current relay is connected to the power supply, the water jet pump is connected to the second current relay, one end of the fourth optoelectronic isolator is connected to the fourth driver, and the fourth driver is connected to P1.4 of the cpu. If it is determined that fire is in the inner space, according to a software algorithm, P1.4 of the central processing unit outputs high level, the fourth photoelectric isolator is controlled to generate current, the armature of the second current relay and a contact connected with a water spray pump are closed, power is supplied to the automatic blowout module, water spray extinguishment is started, according to the software algorithm, an alarm circuit gives an alarm, and meanwhile, power failure is controlled through an automatic power on/off module.
Specifically, in this embodiment, the comparators U3A, U1B, U2C, U2D and the operational amplifiers U1A, U2B are Lm324 four-op-amp chips. The smoke detector can detect smoke generated in the case of fire, can detect the fire through high temperature in the case of fire, and has the advantages of low cost, high detection reliability and capability of comprehensively detecting various fires.
Specifically, in this embodiment, as shown in fig. 11, the remote alarm unit is a wireless remote alarm module, and the wireless remote alarm module is connected to the output end of the central processing unit. And carrying out corresponding remote alarm according to the specific conditions of the overflow detection unit, the explosion detection unit and the smoke and fire detection unit.
Specifically, in this embodiment, as shown in fig. 12, the voice alarm unit includes a triggering voice circuit, a power amplification circuit, and a speaker SP1, the triggering voice circuit includes resistors RW1, RW2, and R3, capacitors C4 and C5, and a triggering voice chip U2, one end of the resistor R3 is connected to P1.4 of the central processing unit, the resistors RW1 and RW2 are connected to pins 2 and 3 of the triggering voice chip U2, the power amplification circuit includes resistors R1 and R2, capacitors C1 and C2, the power amplification chip U1, one end of the speaker SP1 is connected to pin 8 of the power amplification chip U1, and the other end of the speaker SP1 is connected to pins 4 and 5 of the power amplification chip U1. According to the detection condition and the software algorithm, the CPU controls the P1.4 pin to output high level through a program, the voice chip U2 is triggered to output PWM audio from the pins 2 and 3, the PWM audio is subjected to audio power amplification through the power amplification chip U1, and the speaker SP1 broadcasts amplified voice, such as water leakage, fire, air leakage and the like. The resistors Rw1, Rw2 are used to adjust the volume.
The application process of the embodiment of the invention is as follows:
when the number of people detecting unit detects that the number of people in the space is not 0, the power is not cut off. When the number of people in the space is detected to be 0 by the number detection unit, a certain time is set according to a software algorithm of the central processing unit, when the number of people in the space is 0 within the certain time, the voice alarm circuit is controlled to carry out further inquiry, the number of people in the space is finally determined to be 0, and the automatic power-on and power-off module is controlled to be powered off so as to prevent the occurrence of electricity utilization safety accidents; when the overflow detection unit detects that water exists, the water drainage module is controlled to start the water suction pump to drain water according to a software algorithm, the automatic power-on and power-off module is controlled to cut off power supply, the remote alarm unit is controlled to remotely alarm, and the voice alarm unit is controlled to play a water running voice; when the explosion detection unit detects harmful gas, the automatic power-on and power-off module is controlled to be powered off through a software algorithm, the remote alarm unit is controlled to alarm remotely, and the voice alarm unit is controlled to play air leakage voice; when the fire and smoke detection unit detects a fire situation, the automatic blowout module is controlled to start the water spray pump to control the automatic power-on and power-off module to be powered off through a software algorithm, the remote alarm unit is controlled to remotely alarm, and the voice alarm unit is controlled to play a 'fire' voice.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The intelligent safety system is characterized by comprising a central processing unit, a number detection unit, an overflow detection unit, an explosion detection unit, a smoke and fire detection unit, an automatic on-off electric module, an automatic blowout module, a drainage module, a remote alarm unit and a voice alarm unit, wherein the number detection unit, the overflow detection unit, the explosion detection unit and the smoke and fire detection unit are connected with the input end of the central processing unit, and the automatic on-off electric module, the automatic blowout module, the drainage module, the remote alarm unit and the voice alarm unit are connected with the output end of the central processing unit.
2. The human detection-based intelligent security system of claim 1, wherein the people number detection unit comprises infrared correlation 1 and infrared correlation 2, the infrared correlation 1 and infrared correlation 2 anodes are connected with a power supply, the infrared correlation 1 and infrared correlation 2 cathodes are grounded, the infrared correlation 1 comprises an infrared emitter 1 and an infrared receiver 1, the infrared correlation 2 comprises an infrared emitter 2 and an infrared receiver 2, and OUT1 and OUT2 of the infrared receiver 1 and the infrared receiver 2 are respectively connected with INT0 and INT1 of the central processing unit.
3. The human detection-based smart security system of claim 1, wherein the automatic power on/off module is a single phase power on/off control module or a three phase power on/off control module.
4. The human detection-based intelligent security system of claim 3, wherein the single-phase power-on and power-off control module comprises a first driver, a first photoelectric isolator and a single-phase current relay, one end of the first photoelectric isolator is connected with the single-phase current relay, the other end of the first photoelectric isolator is grounded, one end of the single-phase current relay is connected with a power supply, one end of the first driver is connected with the first photoelectric isolator, and the other end of the first driver is connected with the P1.2 of the central processing unit.
5. The human detection-based intelligent security system of claim 3, wherein the three-phase power-on and power-off control module comprises a second driver, a second photoelectric isolator and a three-phase current relay, one end of the second photoelectric isolator is connected with the three-phase current relay, the other end of the second photoelectric isolator is grounded, one end of the third phase current relay is connected with a power supply, one end of the second driver is connected with the second photoelectric isolator, and the other end of the second driver is connected with the P1.2 of the central processing unit.
6. The intelligent safety system based on human body detection as claimed in claim 1, wherein the overflow detection unit comprises a water level detection device and a voltage comparison circuit 1, the water level detection device comprises a stainless steel column, a stainless steel water line 1 and a stainless steel water line 2, the voltage comparison circuit 1 comprises resistors R12, R13, R14 and a comparator U3A, one end of the resistor R14 is connected with the stainless steel water line 1, one end of the resistor R13 is connected with the stainless steel water line 2, and a pin 1 of the comparator U3A is connected with a pin P1.5 of the central processing unit. The drainage module comprises a third driver, a third photoelectric isolator, a first current relay and a water suction pump, wherein one end of the third photoelectric isolator is connected with the first current relay, the other end of the third photoelectric isolator is grounded, one end of the first current relay is connected with a power supply, the water suction pump is connected with the first current relay, one end of the third photoelectric isolator is connected with the third driver, and the third driver is connected with the P1.1 of the central processing unit.
7. The intelligent safety system based on human body detection as claimed in claim 1, wherein the explosion detection unit comprises a sensor MY1, a resistor MR1 and a voltage comparison circuit 2, the voltage comparison circuit 2 comprises a comparator U1B, a resistor MR2, a resistor MR3 and a sliding resistor MRW1, one end of the sensor MY1 is connected with one end of the resistor MR1, the other end of the resistor MR1 is connected with a pin 5 of the comparator U1B, and a pin 7 of the comparator U1B is connected with a pin P1.6 of the central processing unit.
8. The intelligent safety system based on human body detection as claimed in claim 1, wherein the smoke and fire detection unit comprises a transmitting tube VTX1, a receiving tube VRX1, resistors R1 and R2, integrated operational amplifier circuits 1 and 2, voltage comparison circuits 3 and 4 and transistor amplification circuits 1 and 2, the cathode of the transmitting tube VTX1 is connected with the anode of the receiving tube VRX1, the integrated operational amplifier circuit 1 is connected with the integrated operational amplifier circuit 2, the integrated operational amplifier circuit 2 is connected with the voltage comparison circuit 3, the voltage comparison circuit 3 is connected with the transistor amplification circuit 2, the integrated operational amplifier circuit 1 comprises capacitors C1 and C2, resistors R3, R4 and R5 and an operational amplifier U1A, the integrated operational amplifier circuit 2 comprises capacitors C3 and C4, resistors R6 and R7 and R356 and an operational amplifier U2 73742, the anode of the transmitting tube VTR 1 is connected with a resistor VTR 73729, the cathode of the receiving tube VRX1 is connected with the anode of a capacitor C2, the voltage comparison circuit 3 comprises resistors R9, RW1 and Ra and a comparator U2C, the voltage comparison circuit 4 comprises resistors RX1, R12, RW2 and Rb and a comparator U2D, the transistor amplification circuit 1 comprises resistors R10 and R11, a triode Q1 and diodes LED1 and D2, the transistor amplification circuit 2 comprises resistors R13, R14, diodes D1, D3, LED2 and a triode Q2, the voltage comparison circuit 4 is connected with the transistor amplification circuit 2, and the cathodes of the diodes D2 and D3 are connected with the P3.7 of the central processing unit. The comparators U3A, U1B, U2C and U2D and the operational amplifiers U1A and U2B are Lm324 four-operational amplifier chips.
9. The intelligent safety system based on human body detection as claimed in claim 1, wherein the automatic blowout module comprises a fourth driver, a fourth photoelectric isolator, a second current relay and a water spray pump, one end of the fourth photoelectric isolator is connected with the second current relay, the other end of the fourth photoelectric isolator is grounded, one end of the second current relay is connected with a power supply, the water spray pump is connected with the second current relay, one end of the fourth photoelectric isolator is connected with the fourth driver, and the fourth driver is connected with the P1.4 of the central processing unit.
10. The intelligent security system based on human detection of claim 1, the voice alarm unit includes a trigger voice circuit, a power amplification circuit, a speaker SP1, the triggering voice circuit comprises resistors RW1, RW2 and R3, capacitors C4 and C5, a triggering voice chip U2, one end of the resistor R3 is connected with P1.4 of the central processing unit, the resistors RW1 and RW2 are connected with pins 2 and 3 of the trigger voice chip U2, the power amplifying circuit comprises resistors R1 and R2, capacitors C1 and C2, a power amplifying chip U1, one end of the loudspeaker SP1 is connected with the pin 8 of the power amplification chip U1, the other end of the loudspeaker SP1 is connected with the pins 4 and 5 of the power amplification chip U1, the remote alarm unit is a wireless remote alarm module, and the wireless remote alarm module is connected with the output end of the central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463490.9A CN113178044A (en) | 2021-04-23 | 2021-04-23 | Intelligent safety system based on human body detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463490.9A CN113178044A (en) | 2021-04-23 | 2021-04-23 | Intelligent safety system based on human body detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113178044A true CN113178044A (en) | 2021-07-27 |
Family
ID=76926701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110463490.9A Pending CN113178044A (en) | 2021-04-23 | 2021-04-23 | Intelligent safety system based on human body detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113178044A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007009492A1 (en) * | 2007-02-27 | 2008-08-28 | Niels Oliver Hanke | Danger detecting system for fire, water, gas or break-in alarm, has local detecting system, which conveys message to control room and kind of danger, and detector are decoded |
| CN206162827U (en) * | 2016-09-28 | 2017-05-10 | 舟山市普陀丰科电器设备科技有限公司 | Alarm device is synthesized in kitchen |
| CN107067639A (en) * | 2017-06-02 | 2017-08-18 | 湖北民族学院 | A kind of household safe monitoring system based on STM32 |
| CN206974482U (en) * | 2017-08-02 | 2018-02-06 | 北京洪文源科技有限公司 | One kind station room environmental comprehensive monitor system |
| CN208476294U (en) * | 2018-05-24 | 2019-02-05 | 马子奇 | Infrared counting device and multi-tool block domestic environment based on PLC detect alarm system |
| CN209543072U (en) * | 2018-11-23 | 2019-10-25 | 云南大学 | A kind of laboratory indoor environment intelligent monitor system |
| CN112290685A (en) * | 2020-11-12 | 2021-01-29 | 杭州凯达电力建设有限公司自动化运维分公司 | Electric energy management integrated monitoring system |
-
2021
- 2021-04-23 CN CN202110463490.9A patent/CN113178044A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007009492A1 (en) * | 2007-02-27 | 2008-08-28 | Niels Oliver Hanke | Danger detecting system for fire, water, gas or break-in alarm, has local detecting system, which conveys message to control room and kind of danger, and detector are decoded |
| CN206162827U (en) * | 2016-09-28 | 2017-05-10 | 舟山市普陀丰科电器设备科技有限公司 | Alarm device is synthesized in kitchen |
| CN107067639A (en) * | 2017-06-02 | 2017-08-18 | 湖北民族学院 | A kind of household safe monitoring system based on STM32 |
| CN206974482U (en) * | 2017-08-02 | 2018-02-06 | 北京洪文源科技有限公司 | One kind station room environmental comprehensive monitor system |
| CN208476294U (en) * | 2018-05-24 | 2019-02-05 | 马子奇 | Infrared counting device and multi-tool block domestic environment based on PLC detect alarm system |
| CN209543072U (en) * | 2018-11-23 | 2019-10-25 | 云南大学 | A kind of laboratory indoor environment intelligent monitor system |
| CN112290685A (en) * | 2020-11-12 | 2021-01-29 | 杭州凯达电力建设有限公司自动化运维分公司 | Electric energy management integrated monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104332930B (en) | The cable channel cover plate of fire and self-extinguishing can be monitored | |
| US4763115A (en) | Fire or smoke detection and alarm system | |
| US7619534B2 (en) | Method and apparatus for detection of hazardous or potentially hazardous conditions | |
| CN108665668B (en) | Disaster situation monitoring method and system | |
| CN108711250B (en) | Smoke alarm device based on single chip microcomputer | |
| CN209821986U (en) | Fire monitoring system | |
| CN205450606U (en) | Smart home system | |
| CN108399707A (en) | A kind of improved smoke detector of structure | |
| CN207517157U (en) | A kind of solar energy the wooded mountain fire protection warning device | |
| CN101201962B (en) | Smog real time detecting/warning method for television and device thereof | |
| CN109741563B (en) | Disaster situation monitoring method and disaster situation monitoring device | |
| CN208384761U (en) | A kind of improved smoke detector of structure | |
| CN204288407U (en) | A kind of based on Single-chip Controlling IR alarm system | |
| RU2674239C1 (en) | Surround fire extinguishing system | |
| CN109432678A (en) | Intelligent fire-pretection system based on Multistage Control | |
| CN113426057A (en) | Intelligent fire-fighting Internet of things management system | |
| CN113178044A (en) | Intelligent safety system based on human body detection | |
| CN111388916A (en) | Charging cabinet and fire extinguishing control method thereof | |
| CN207115677U (en) | Fire alarm system based on PLC | |
| CN115999103A (en) | Fire extinguishing detection control device | |
| CN214971365U (en) | Distributed fire fighting device | |
| CN212486199U (en) | Power distribution room monitoring system | |
| CN104658160A (en) | Multifunctional fire detection alarm apparatus and detection method thereof | |
| CN109448294A (en) | Intelligent fire-pretection system based on mobile terminal | |
| CN212060966U (en) | Safety master control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210727 |
|
| RJ01 | Rejection of invention patent application after publication |