CN108564756A - A kind of workshop fire behavior real time monitoring prompting embedded equipment based on LoRa - Google Patents
A kind of workshop fire behavior real time monitoring prompting embedded equipment based on LoRa Download PDFInfo
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- CN108564756A CN108564756A CN201810412174.7A CN201810412174A CN108564756A CN 108564756 A CN108564756 A CN 108564756A CN 201810412174 A CN201810412174 A CN 201810412174A CN 108564756 A CN108564756 A CN 108564756A
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- 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
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- 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
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- 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
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Abstract
The present invention relates to a kind of, and the workshop fire behavior real time monitoring based on LoRa reminds embedded equipment, belongs to field of intelligent control.Including monitoring high in the clouds, management end, one-chip computer module, alarm module, LoRa wireless transport modules, temperature sensor module, smoke sensor device module, camera acquisition system module, when temperature sensor module or smoke sensor device module monitors are to fire signal, one-chip computer module by camera acquisition system module photograph to information and the number of corresponding fire behavior monitoring and reminding device send management end to；When temperature sensor module and smoke sensor device module monitor fire signal simultaneously, one-chip computer module directly controls the alarm of buzzer module, while sending the number of corresponding feelings monitoring and reminding device to management end.The present invention is of low cost, simple in structure, is grouped number to fire behavior monitoring and reminding device, management end can precisely confirm fire location.
Description
Technical field
The present invention relates to a kind of, and the workshop fire behavior real time monitoring based on LoRa reminds embedded equipment, belongs to intelligent control neck
Domain.
Background technology
A lot of factory's large-sized fires have occurred in recent years, cause great financial resources, material resources and casualties, to national band
Heavy losses are carried out.The fire hazard for preventing factory is critically important, and there is a potential burning things which may cause a fire disaster in factory everywhere, universal real in integrated mill
Existing mechanization, administrative staff are few, cannot manage the from cellar to rafter of factory constantly.Therefore, we relate to a kind of based on LoRa
Factory floor fire behavior real time monitoring remind embedded equipment.
Invention content
The workshop fire behavior real time monitoring based on LoRa that the technical problem to be solved in the present invention is to provide a kind of is reminded embedded
Device, even if solving factory floor the problem of fire behavior can not judge fire behavior and fire behavior accurate location, cause large-sized fire occurs.
The technical solution adopted by the present invention is：A kind of workshop fire behavior real time monitoring prompting embedded equipment based on LoRa,
Including fire behavior monitoring and reminding device 1, monitoring high in the clouds 2, management end 3；Wherein fire behavior monitoring and reminding device 1 is by detecting module 4, alarm
Module 5, one-chip computer module 6 and LoRa radio receiving transmitting modules 7 are constituted and each fire behavior monitoring and reminding device 1 has unique monolithic
6 identifiable number of machine module, one-chip computer module 6 acquire the information of fire behavior monitoring and reminding device 1 by polling mode；Detect mould
Block 4 is made of temperature sensor module 8, smoke sensor device module 9 and camera acquisition system module 10；Alarm module 5 is by bee
Device module 11 of ringing and manual alarm module 12 are constituted, and manual alarm module 12 is connect with buzzer module 11, temperature sensor mould
Block 8, smoke sensor device module 9, camera acquisition system module 10, buzzer module 11 are connect with one-chip computer module 6, monolithic
Machine module 6 is connect by LoRa radio receiving transmitting modules 7 with monitoring high in the clouds 2, and monitoring high in the clouds 2 is connect with management end 3.
Specifically, the one-chip computer module 6 is used for：When temperature sensor module 8 or smoke sensor device module 9 monitor
When fire signal, camera acquisition system module 10 is opened, and information that camera acquisition system module 10 is taken and right
Answer the number information of fire behavior monitoring and reminding device 1 pass sequentially through LoRa radio receiving transmitting modules 7, monitoring high in the clouds 2 send management end to
3；When temperature sensor module 8 and smoke sensor device module 9 monitor fire signal simultaneously, buzzer module 11 is directly controlled
Alarm, at the same the number information of corresponding feelings monitoring and reminding device 1 passed sequentially through into LoRa radio receiving transmitting modules 7, monitoring high in the clouds 2 passes
Give management end 3.
Specifically, the one-chip computer module 6 is made of chip SOP16/DIP16 and reset circuit；Chip SOP16/DIP16
The external 5V power supplys of pin VCC, pin MISO, MOSI, SS, SCLK are all connected with LoRa radio receiving transmitting modules 7, pin ADC1 and temperature
The output end of sensor assembly 8 connects, and pin P1.0 is connect with the output end of smoke sensor device module 9, pin P3.7 and camera shooting
The output end connection of head acquisition system module 10, pin GND ground connection, pin P3.3 is connect with buzzer module 11, outside pin RST
Reset circuit is connect, all the way one end of parallel resistance R16, the other end of resistance R16 connects ground terminal, all the way parallel resistance R14, resistance
The R14 other ends connect key switch SKEY1, and another way is connected in parallel with a capacitor CJ1, switch SKEY1 and capacitance CJ1 while connecing one
External power supply.
Specifically, the LoRa radio receiving transmitting modules 7 are made of chip SX1276 integration modules, and chip SX1276's draws
Foot GND ground connection, pin MISO, pin MOSI, pin SCK, pin NSS are connected with one-chip computer module 6, pin VCC connections
The power supply of 3.3V, and one end of two capacitance C3 and capacitance C4 are connect, the other end of capacitance C3 and capacitance C4 are grounded simultaneously.
Specifically, the temperature sensor module 8 includes probe PT100, resistance R1, resistance R3, resistance R4, resistance
R5, resistance R6, resistance R7, resistance R8, resistance R9, slide rheostat R2, the amplifier A1 of capacitance C1, model TL062, probe
The interface J1 of PT100 uses two-wire system access method, one end of the 2 pins connection resistance R1 of J1, the other end connection of resistance R1 to slide
1 end of dynamic rheostat R2, the 3 ends ground connection of slide rheostat R2, the 2 ends connection resistance R5 of slide rheostat R2；The pin 1 of J1 connects
One end of connecting resistance R4, the other end of resistance R4, R5 and is connected with one end of resistance R6, another termination power of resistance R6；It puts
One end of the 3 port connecting resistance R7 of big device A1,1 port of another termination J1 of resistance R7；3 ports for simultaneously amplifying device A1 connect electricity
Hinder R8, the other end ground connection of resistance R8, one end of the 2 port connecting resistance R3 of amplifier A1, the other end connection sliding of resistance R3
No. 2 ports of rheostat R2；2 ports for simultaneously amplifying device A1 connect one end of capacitance C2, and the other end of capacitance C2 connects amplifier
No. 1 port of A1；4 ports of amplifier A1 connect -5V power supplys, No. 8 port connection+5V power supplys of amplifier A1, while No. 8 ports
One end of capacitance C1 is connected, the other end ground connection of capacitance C1, one end of the 1 port connecting resistance R9 of amplifier A1, resistance R9's is another
One end connects one-chip computer module 6.
Specifically, the smoke sensor device module 9 includes scattering formula light sensation cigarette device CA3302B, resistance R10, resistance
The interface J2's of R11, resistance R12, resistance R13, voltage-stabiliser tube D1,4-2 NAND gate IC2A, 4-2 NAND gate IC2B, CA3302B
1, the internal light source of 4 pin inner portions connection sensor, 2,3 pin inner portions connect the light-sensitive element of sensor, 4 pins and the electricity of J2
The one end for hindering R10 is connected, another termination high level of resistance R10；One end of the 3 pins connection resistance R11 of J2, resistance R11's
Another termination high level；No. 2 pins of the 3 pins connection 4-2 NAND gates IC2A of J2 simultaneously, 1, the 2 pins ground wire of J2, voltage stabilizing
The both ends of pipe D1 connect high level and No. 2 pins of J2 respectively；One end of No. 1 port connecting resistance R13 of 4-2 NAND gates IC2A, electricity
Hinder another termination high level of R13；One end of No. 1 port connecting resistance R12 simultaneously, the other end ground connection of resistance R12；4-2 with it is non-
No. 3 ports of door IC2A connect 5,6 ports of 4-2 NAND gates IC2B simultaneously, and No. 4 ports of 4-2 NAND gates IC2B connect microcontroller
Module 6, microcontroller can judge whether there is smog by the output of IC2B.
Specifically, the camera acquisition system module（10）Including photo-coupler U1, relay K3, triode Q1,
No. 1 port of resistance R17 and diode D2, photo-coupler U1 connect 3.3V power supplys, and No. 2 ports connect 6, No. 3 ports of one-chip computer module
The ends c of connecting triode Q1, one end of No. 4 port connection resistance R17, the power supply of the other end connection 12V of resistance R17；While 4
The e of number port ground wire, triode Q1 terminates ground wire, and the positive terminal of the c terminating diodes D2 of triode Q1, diode D2's is negative
Extremely connect 12V power supplys；No. 1 pin of relay K3 connects 12V power supplys, and No. 2 pins connect the ends c of triode Q1, and No. 3 pins meet 220V
Power supply, No. 4 pin connection camera acquisition systems 10, camera acquisition system 10 connects 220V power supplys.
Specifically, the buzzer module 11 is made of power supply, triode Q2, buzzer B1 and resistance R18, triode
The e termination powers of Q2, c terminate one end of buzzer B1, one end of b terminating resistors R18, the other end ground connection of buzzer B1, electricity
The other end of resistance R18 connects one-chip computer module 6 and manual alarm module 12；Manual alarm module 12 includes power supply 5V, switch
The other end of SKEY2, resistance R15 and ground wire, power supply 5V series connection one switch SKEY2, switch SKEY2 connects resistance R15 simultaneously
One end and resistance R18, the other end of resistance R15 connect ground wire.
The beneficial effects of the invention are as follows：The present invention is of low cost, and simple in structure, accurate positioning, transmission range is long, stablizes
Property it is high.The device can be by detecting temperature change and smog and monitoring factory floor fire behavior, by being wirelessly transferred in time to pipe
People's fire behavior, fire behavior accurate location are managed, and is alarmed.The device can be wirelessly transferred by LoRa, of low cost, knot
Structure is simple, and energy consumption is low, and transmission range is long, and stability is high.
Description of the drawings
The overall structure diagram of Fig. 1 present invention；
The circuit diagram of Fig. 2 temperature sensor modules of the present invention；
The circuit diagram of Fig. 3 smoke sensor device modules of the present invention；
The circuit diagram of Fig. 4 camera acquisition system modules of the present invention；
The circuit diagram of Fig. 5 one-chip computer modules of the present invention；
The circuit diagram of Fig. 6 LoRa wireless transport modules of the present invention；
The circuit diagram of the buzzer module and manual alarm module of Fig. 7 present invention.
Each label in figure：Fire behavior monitoring and reminding device -1, monitoring high in the clouds -2, management end -3, detecting module -4, alarm mould
Block -5, one-chip computer module -6, LoRa radio receiving transmitting modules -7, temperature sensor module -8, smoke sensor device module -9, camera
Acquisition system module -10, buzzer module -11, manual alarm module -12.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the invention will be further described.
Embodiment 1：As shown in figs. 1-7, a kind of workshop fire behavior real time monitoring based on LoRa reminds embedded equipment, including
Fire behavior monitoring and reminding device 1, monitoring high in the clouds 2, management end 3；Wherein fire behavior monitoring and reminding device 1 is by detecting module 4, alarm module
5, one-chip computer module 6 and LoRa radio receiving transmitting modules 7 are constituted and each fire behavior monitoring and reminding device 1 has unique microcontroller mould
6 identifiable number of block, one-chip computer module 6 acquire the information of fire behavior monitoring and reminding device 1 by polling mode；Detecting module 4
It is made of temperature sensor module 8, smoke sensor device module 9 and camera acquisition system module 10；Alarm module 5 is by buzzer
Module 11 and manual alarm module 12 are constituted, and manual alarm module 12 is connect with buzzer module 11, temperature sensor module 8,
Smoke sensor device module 9, camera acquisition system module 10, buzzer module 11 are connect with one-chip computer module 6, microcontroller mould
Block 6 is connect by LoRa radio receiving transmitting modules 7 with monitoring high in the clouds 2, and monitoring high in the clouds 2 is connect with management end 3.
Further, the one-chip computer module 6 is used for：When temperature sensor module 8 or smoke sensor device module 9 monitor
When to fire signal, open camera acquisition system module 10, and information that camera acquisition system module 10 is taken and
The number information of corresponding fire behavior monitoring and reminding device 1 passes sequentially through LoRa radio receiving transmitting modules 7, monitoring high in the clouds 2 sends management to
End 3；When temperature sensor module 8 and smoke sensor device module 9 monitor fire signal simultaneously, buzzer module is directly controlled
11 alarms, while the number information of corresponding feelings monitoring and reminding device 1 is passed sequentially through into LoRa radio receiving transmitting modules 7, monitoring high in the clouds 2
Send management end 3 to.
Further, the one-chip computer module 6 is made of chip SOP16/DIP16 and reset circuit；Chip SOP16/
The external 5V power supplys of DIP16 pins VCC, pin MISO, MOSI, SS, SCLK are all connected with LoRa radio receiving transmitting modules 7, pin ADC1
It is connect with the output end of temperature sensor module 8, pin P1.0 is connect with the output end of smoke sensor device module 9, pin P3.7
It is connect with the output end of camera acquisition system module 10, pin GND ground connection, pin P3.3 connect with buzzer module 11, draws
The other end of the external reset circuits of foot RST, one end of parallel resistance R16 all the way, resistance R16 connects ground terminal, all the way parallel resistance
R14, the resistance R14 other ends connect key switch SKEY1, and it is same that another way is connected in parallel with a capacitor CJ1, switch SKEY1 and capacitance CJ1
When connect an external power supply.For the SOP16/DIP16 of one-chip computer module, reset pin RST connects reseting module, is generating one just
Pulse is so that monolithic processor resetting is run.
Further, the LoRa radio receiving transmitting modules 7 are made of chip SX1276 integration modules, chip SX1276's
Pin GND ground connection, pin MISO, pin MOSI, pin SCK, pin NSS are connected with one-chip computer module 6, specially：Pin
The pin MISO of MISO connection chips SOP16/DIP16, the pin MOSI of pin MOSI connection chips SOP16/DIP16, pin
The pin SCLK of SCK connection chips SOP16/DIP16, the pin SS of pin NSS connection chips SOP16/DIP16, chip
The power supply of the pin VCC connections 3.3V of SX1276, and connect one end of two capacitance C3 and capacitance C4, capacitance C3 and capacitance C4's
The other end is grounded simultaneously.
Further, the temperature sensor module 8 includes probe PT100, resistance R1, resistance R3, resistance R4, resistance
R5, resistance R6, resistance R7, resistance R8, resistance R9, slide rheostat R2, the amplifier A1 of capacitance C1, model TL062, probe
The interface J1 of PT100 uses two-wire system access method, one end of the 2 pins connection resistance R1 of J1, the other end connection of resistance R1 to slide
1 end of dynamic rheostat R2, the 3 ends ground connection of slide rheostat R2, the 2 ends connection resistance R5 of slide rheostat R2；The pin 1 of J1 connects
One end of connecting resistance R4, the other end of resistance R4, R5 and is connected with one end of resistance R6, another termination power of resistance R6；It puts
One end of the 3 port connecting resistance R7 of big device A1,1 port of another termination J1 of resistance R7；3 ports for simultaneously amplifying device A1 connect electricity
Hinder R8, the other end ground connection of resistance R8, one end of the 2 port connecting resistance R3 of amplifier A1, the other end connection sliding of resistance R3
No. 2 ports of rheostat R2；2 ports for simultaneously amplifying device A1 connect one end of capacitance C2, and the other end of capacitance C2 connects amplifier
No. 1 port of A1；4 ports of amplifier A1 connect -5V power supplys, No. 8 port connection+5V power supplys of amplifier A1, while No. 8 ports
One end of capacitance C1 is connected, the other end ground connection of capacitance C1, one end of the 1 port connecting resistance R9 of amplifier A1, resistance R9's is another
One end connects one-chip computer module 6.
Further, the smoke sensor device module 9 includes scattering formula light sensation cigarette device CA3302B, resistance R10, electricity
Hinder the interface J2 of R11, resistance R12, resistance R13, voltage-stabiliser tube D1,4-2 NAND gate IC2A, 4-2 NAND gate IC2B, CA3302B
1,4 pin inner portions connection sensor internal light source, 2,3 pin inner portions connect sensor light-sensitive element, 4 pins of J2 with
One end of resistance R10 is connected, another termination high level of resistance R10；One end of the 3 pins connection resistance R11 of J2, resistance R11
Another termination high level；No. 2 pins of the 3 pins connection 4-2 NAND gates IC2A of J2 simultaneously, 1, the 2 pins ground wire of J2, surely
The both ends of pressure pipe D1 connect high level and No. 2 pins of J2 respectively；One end of No. 1 port connecting resistance R13 of 4-2 NAND gates IC2A,
Another termination high level of resistance R13；One end of No. 1 port connecting resistance R12 simultaneously, the other end ground connection of resistance R12；4-2 with
No. 3 ports of NOT gate IC2A connect 5,6 ports of 4-2 NAND gates IC2B simultaneously, and No. 4 ports of 4-2 NAND gates IC2B connect monolithic
Machine module 6, microcontroller can judge whether there is smog by the output of IC2B.
Further, the camera acquisition system module 10 include photo-coupler U1, relay K3, triode Q1,
No. 1 port of resistance R17 and diode D2, photo-coupler U1 connect 3.3V power supplys, and No. 2 ports connect 6, No. 3 ports of one-chip computer module
The ends c of connecting triode Q1, one end of No. 4 port connection resistance R17, the power supply of the other end connection 12V of resistance R17；While 4
The e of number port ground wire, triode Q1 terminates ground wire, and the positive terminal of the c terminating diodes D2 of triode Q1, diode D2's is negative
Extremely connect 12V power supplys；No. 1 pin of relay K3 connects 12V power supplys, and No. 2 pins connect the ends c of triode Q1, and No. 3 pins meet 220V
Power supply, No. 4 pin connection camera acquisition systems 10, camera acquisition system 10 connects 220V power supplys.
Further, the buzzer module 11 is made of power supply, triode Q2, buzzer B1 and resistance R18, three poles
The e termination powers of pipe Q2, c terminate one end of buzzer B1, and the other end of one end of b terminating resistors R18, buzzer B1 is grounded,
The other end of resistance R18 connects one-chip computer module 6 and manual alarm module 12；Manual alarm module 12 includes power supply 5V, switch
The other end of SKEY2, resistance R15 and ground wire, power supply 5V series connection one switch SKEY2, switch SKEY2 connects resistance R15 simultaneously
One end and resistance R18, the other end of resistance R15 connect ground wire.
The present invention operation principle be：Each fire behavior monitoring and reminding device 1 is numbered, one-chip computer module 6 passes through
Polling mode acquires workshop fire behavior information, judges that workshop whether there is fire behavior hidden danger.When judging vehicle by temperature sensor module
Between temperature when being more than certain range, one-chip computer module 6 opens camera acquisition system module 10, and passes through LoRa wireless receiving and dispatchings
The number information of the information that camera acquisition system module 10 is shot and corresponding fire behavior monitoring and reminding device 1 is transmitted to by module 7
High in the clouds 2 is monitored, management end 3 carries out confirmation fire condition by monitoring；When by smoke sensor device module 9 judge workshop generate cigarette
Mist, one-chip computer module 6 opens camera acquisition system module 10, and acquires camera by LoRa radio receiving transmitting modules 7 and be
The number information of information and corresponding fire behavior monitoring and reminding device 1 that system module 10 is shot is transmitted to monitoring high in the clouds 2, and management end 3 is logical
It crosses monitoring and carries out confirmation fire condition；It is single when temperature sensor module 8 and smoke sensor device module 10 detect fire behavior simultaneously
Piece machine module 6 directly controls the buzzer module 11 in alarm module 5 and alarms, while passing through LoRa radio receiving transmitting modules 7
The number information of corresponding fire behavior monitoring and reminding device 1 is transmitted to monitoring high in the clouds 2.In addition, the system also supports manual alarm
Mode, when artificially triggering manual alarm module 12, buzzer module 11 is alarmed, and one-chip computer module 6 is by the position of fire behavior
Information passes sequentially through LoRa radio receiving transmitting modules 7, monitoring high in the clouds 2, is sent to management end 3.
The present invention can by detecting temperature change and smog and monitoring factory floor fire behavior, by be wirelessly transferred in time to
Administrative staff transmit fire behavior, fire behavior accurate location, and alarm.The device can be wirelessly transferred by LoRa, of low cost,
Simple in structure, energy consumption is low, and transmission range is long, and stability is high.
The specific implementation mode of the present invention is explained in detail above in association with attached drawing, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (8)
1. a kind of workshop fire behavior real time monitoring based on LoRa reminds embedded equipment, it is characterised in that：It is carried including fire behavior monitoring
Awake device（1）, monitoring high in the clouds（2）, management end（3）；Wherein fire behavior monitoring and reminding device（1）By detecting module（4）, alarm module
（5）, one-chip computer module（6）With LoRa radio receiving transmitting modules（7）Composition and each fire behavior monitoring and reminding device（1）Have unique
One-chip computer module（6）Identifiable number, one-chip computer module（6）Fire behavior monitoring and reminding device is acquired by polling mode（1）'s
Information；Detecting module（4）By temperature sensor module（8）, smoke sensor device module（9）With camera acquisition system module（10）
It constitutes；Alarm module（5）By buzzer module（11）With manual alarm module（12）It constitutes, manual alarm module（12）With buzzing
Device module（11）Connection, temperature sensor module（8）, smoke sensor device module（9）, camera acquisition system module（10）, bee
Ring device module（11）And one-chip computer module（6）Connection, one-chip computer module（6）Pass through LoRa radio receiving transmitting modules（7）With monitoring
High in the clouds（2）Connection monitors high in the clouds（2）With management end（3）Connection.
2. a kind of workshop fire behavior real time monitoring based on LoRa according to claim 1 reminds embedded equipment, feature
It is：The one-chip computer module（6）For：Work as temperature sensor module（8）Or smoke sensor device module（9）Monitor fire behavior
When signal, camera acquisition system module is opened（10）, and by camera acquisition system module（10）The information that takes and right
Answer fire behavior monitoring and reminding device（1）Number information pass sequentially through LoRa radio receiving transmitting modules（7）, monitoring high in the clouds（2）It sends to
Management end（3）；Work as temperature sensor module（8）With smoke sensor device module（9）When monitoring fire signal simultaneously, directly control
Buzzer module（11）Alarm, while will corresponding feelings monitoring and reminding device（1）Number information pass sequentially through LoRa wireless receiving and dispatchings
Module（7）, monitoring high in the clouds（2）Send management end to（3）.
3. a kind of workshop fire behavior real time monitoring based on LoRa according to claim 1 reminds embedded equipment, feature
It is：The one-chip computer module（6）It is made of chip SOP16/DIP16 and reset circuit；Chip SOP16/DIP16 pins VCC
External 5V power supplys, pin MISO, MOSI, SS, SCLK are all connected with LoRa radio receiving transmitting modules（7）, pin ADC1 and temperature sensing
Device module（8）Output end connection, pin P1.0 and smoke sensor device module（9）Output end connection, pin P3.7 with camera shooting
Head acquisition system module（10）Output end connection, pin GND ground connection, pin P3.3 and buzzer module（11）Connection, pin
The other end of the external reset circuits of RST, one end of parallel resistance R16 all the way, resistance R16 connects ground terminal, all the way parallel resistance
R14, the resistance R14 other ends connect key switch SKEY1, and it is same that another way is connected in parallel with a capacitor CJ1, switch SKEY1 and capacitance CJ1
When connect an external power supply.
4. a kind of workshop fire behavior real time monitoring based on LoRa according to claim 1 reminds embedded equipment, feature
It is：The LoRa radio receiving transmitting modules（7）It is made of chip SX1276 integration modules, the pin GND of chip SX1276 connects
Ground, pin MISO, pin MOSI, pin SCK, pin NSS are and one-chip computer module（6）It is connected, the electricity of pin VCC connections 3.3V
Source, and one end of two capacitance C3 and capacitance C4 are connect, the other end of capacitance C3 and capacitance C4 are grounded simultaneously.
5. a kind of workshop fire behavior real time monitoring based on LoRa according to claim 1 reminds embedded equipment, feature
It is：The temperature sensor module（8）Including pop one's head in PT100, resistance R1, resistance R3, resistance R4, resistance R5, resistance R6,
Resistance R7, resistance R8, resistance R9, slide rheostat R2, the amplifier A1 of capacitance C1, model TL062, the PT100's that pops one's head in connects
Mouth J1 uses two-wire system access method, one end of the 2 pins connection resistance R1 of J1, the other end connection slide rheostat R2 of resistance R1
1 end, the 3 ends ground connection of slide rheostat R2, the 2 ends connection resistance R5 of slide rheostat R2；The pin 1 of J1 connects resistance R4's
One end, the other end of resistance R4, R5 and is connected with one end of resistance R6, another termination power of resistance R6；3 ends of amplifier A1
One end of mouth connecting resistance R7,1 port of another termination J1 of resistance R7；Simultaneously amplify the 3 port connecting resistance R8 of device A1, resistance R8
Other end ground connection, one end of the 2 port connecting resistance R3 of amplifier A1, the 2 of the other end connection slide rheostat R2 of resistance R3
Number port；2 ports for simultaneously amplifying device A1 connect one end of capacitance C2, No. 1 port of the other end connection amplifier A1 of capacitance C2；
4 ports of amplifier A1 connect -5V power supplys, No. 8 port connection+5V power supplys of amplifier A1, while No. 8 ports connect capacitance C1's
One end, the other end ground connection of capacitance C1, the other end of one end of the 1 port connecting resistance R9 of amplifier A1, resistance R9 connect monolithic
Machine module（6）.
6. fire behavior monitoring and reminding device according to claim 1, it is characterised in that：The smoke sensor device module（9）
Including scattering formula light sensation cigarette device CA3302B, resistance R10, resistance R11, resistance R12, resistance R13, voltage-stabiliser tube D1,4-2 with it is non-
The internal light source of 1, the 4 pin inner portions connection sensor of the interface J2 of door IC2A, 4-2 NAND gate IC2B, CA3302B, 2,3 draw
The light-sensitive element of connection sensor, 4 pins of J2 are connected with one end of resistance R10 inside foot, the high electricity of another termination of resistance R10
It is flat；One end of the 3 pins connection resistance R11 of J2, another termination high level of resistance R11；Simultaneously J2 3 pins connection 4-2 with
No. 2 pins of NOT gate IC2A, 1, the 2 pins ground wire of J2, the both ends of voltage-stabiliser tube D1 connect high level and No. 2 pins of J2 respectively；
One end of No. 1 port connecting resistance R13 of 4-2 NAND gates IC2A, another termination high level of resistance R13；No. 1 port connects electricity simultaneously
Hinder one end of R12, the other end ground connection of resistance R12；No. 3 ports of 4-2 NAND gates IC2A connect simultaneously 4-2 NAND gates IC2B 5,
No. 4 ports of 6 ports, 4-2 NAND gates IC2B connect one-chip computer module（6）, microcontroller can by the output of IC2B judge be
It is no to have smog.
7. fire behavior monitoring and reminding device according to claim 1, it is characterised in that：The camera acquisition system module
（10）Including photo-coupler U1, relay K3, triode Q1, resistance R17 and diode D2, No. 1 port of photo-coupler U1 connects
3.3V power supplys, No. 2 ports connect one-chip computer module（6）, the ends c of No. 3 port connecting triode Q1, No. 4 ports connect resistance R17's
One end, the power supply of the other end connection 12V of resistance R17；The e of No. 4 port ground wires simultaneously, triode Q1 terminates ground wire, three poles
The cathode of the positive terminal of the c terminating diodes D2 of pipe Q1, diode D2 terminates 12V power supplys；No. 1 pin of relay K3 meets 12V
Power supply, No. 2 pins connect the ends c of triode Q1, and No. 3 pins connect 220V power supplys, and No. 4 pins connect camera acquisition system（10）,
Camera acquisition system（10）Connect 220V power supplys.
8. fire behavior monitoring and reminding device according to claim 1, it is characterised in that：The buzzer module（11）By electricity
Source, triode Q2, buzzer B1 and resistance R18 are constituted, and the e termination powers of triode Q2, c terminates one end of buzzer B1, the ends b
One end of connecting resistance R18, the other end ground connection of buzzer B1, the other end of resistance R18 connect one-chip computer module（6）And manual alarm
Module（12）；Manual alarm module（12）Including power supply 5V, switch SKEY2, resistance R15 and ground wire, power supply 5V connects one and opens
SKEY2 is closed, the other end of switch SKEY2 connects one end and the resistance R18 of resistance R15 simultaneously, and the other end of resistance R15 connects ground
Line.
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