CN103021127A - Intelligent fire scene rescue alarm device and control method thereof - Google Patents
Intelligent fire scene rescue alarm device and control method thereof Download PDFInfo
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- CN103021127A CN103021127A CN2012105897989A CN201210589798A CN103021127A CN 103021127 A CN103021127 A CN 103021127A CN 2012105897989 A CN2012105897989 A CN 2012105897989A CN 201210589798 A CN201210589798 A CN 201210589798A CN 103021127 A CN103021127 A CN 103021127A
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Abstract
The invention relates to an intelligent fire scene rescue alarm device and a control method thereof and belongs to the technical field of fire scene rescue. The intelligent fire scene rescue alarm device comprises a pressure sensor, a temperature sensor, a heart rate sensor, an A/D (analog/digital) conversion module, a wireless transceiving module, a speech chip and a single-chip microcomputer. An output end of each of the pressure sensor, the temperature sensor and the heart rate sensor is connected with an input end of the A/D conversion module. An output end of the A/D conversion module and an input end of the speech chip are connected with the single-chip microcomputer. The wireless transceiving module is connected with the single-chip microcomputer. The control method includes: the A/D conversion module converts analog signals acquired by the sensors into digital signals and transmit the signals to the single-chip microcomputer; the single-chip microcomputer analyzes the received digital signals; if the temperature is higher than a preset temperature value, the speech chip sends out temperature warning; if the pressure is lower than a preset pressure value, the speech chip sends out pressure warning; and the single-chip microcomputer transmits detection signals to a console through the wireless transceiving module.
Description
Technical field
The invention belongs to scene of a fire rescue technical field, particularly relate to a kind of intelligent scene of a fire rescue warning device and control method thereof.
Background technology
By visiting fire brigade and consulting related data and find: the fireman becomes the principal element that causes fireman's death in the burst of rescue attempt central source disease.Secondly in search and rescue in the scene of a fire with control desk out of touch and oxygen depleted, and high temperature burns, and also is two key factors that cause fireman's death.
According to association of United States Fire Administration record, in 37 dead in the rescue of scene of a fire firemans in 2000,14 people die from heart attack, and 8 people die from and suffocate, and 7 people die from wound in the body, and 5 people die from burn, and 2 people die from pneumonia after the wound, and 1 people dies from apoplexy.For such investigation result, the inventor innovates existing scene of a fire rescue warning device and improves.
At present, existing oxygen breathing apparatus warning device major part is to show the welding bottle surplus pressure by tensimeter, reports to the police by whistle.But have following shortcoming: whistle can not show force value accurately, is residue 15M Pa or 10M is Pa, obvious like this can making troubles.Simultaneously, existing apparatus does not have realization to the monitoring of fireman's heart rate; Find that by visiting Cardiac disease also is a key factor that causes fireman's death, so the monitoring of heart rate also should be listed in an important index.
Summary of the invention
For the problem that prior art exists, the invention provides a kind of intelligent scene of a fire rescue warning device and control method thereof that can effectively guarantee fireman's safety.
To achieve these goals, the present invention adopts following technical scheme, and a kind of intelligent scene of a fire rescue warning device comprises pressure transducer, temperature sensor, heart rate sensor, A/D modular converter, radio receiving transmitting module, speech chip and single-chip microcomputer; The output terminal of described pressure transducer, temperature sensor and heart rate sensor is connected with the input end of A/D modular converter respectively, the output terminal of described A/D modular converter is connected with the FPDP of single-chip microcomputer respectively with the input end of speech chip, and described radio receiving transmitting module is connected with the FPDP of single-chip microcomputer.
The model that described pressure transducer adopts is Ibest-PT001.
The model that described temperature sensor adopts is DS18B20.
The model that described heart rate sensor adopts is HKX-08A.
The model that described radio receiving transmitting module adopts is UTC4432.
The model that described speech chip adopts is ISD4004.
Adopt the control method of described intelligent scene of a fire rescue warning device, specifically comprise the steps:
Step 1: the A/D modular converter becomes digital signal with the analog signal conversion of pressure transducer, temperature sensor and heart rate sensor collection, and sends to single-chip microcomputer;
Step 2: by single-chip microcomputer each digital signal that receives is analyzed, if temperature value is higher than the temperature preset value, then carried out temperature alarming by speech chip; If force value is lower than the pressure preset value, then carry out pressure alarm by speech chip;
Step 3: send detection signal to control desk by radio receiving transmitting module by single-chip microcomputer.
Pressure alarm described in the step 2 adopts secondary to report to the police, and when force value is lower than first order pressure preset value, carries out first class pressure by speech chip and reports to the police; When force value is lower than second level pressure preset value, carries out secondary pressure by speech chip and report to the police.
Described temperature preset value is 80 ℃.
Described first order pressure preset value is 15MPa, and second level pressure preset value is 10MPa.
Beneficial effect of the present invention:
1, the present invention changes before single pressure prompting, formation temperature, pressure, the Trinitarian more fully monitoring alarm of heart rate network;
2, the present invention adopts modular design, and detachable maintaining is convenient in the work that is independent of each other;
3, the present invention adopts sound prompting, makes the fireman clearly grasp the pressure condition of welding bottle within the very first time, and removes to see display screen or tensimeter without spended time;
4, oxygen pressure of the present invention is reported to the police and is adopted secondary to report to the police, more can arouse people's attention, rather than single once warning, more be conducive to fireman's security protection;
5, the present invention has increased the monitoring to heart rate, makes control desk can grasp timely fireman's physical condition, so that in time make the rescue measure;
6, the present invention adds the monitoring near temperature facial, temperature is measured by independent instrument before, now it is merged on fire-fighting suit, has alleviated fireman's heavy burden, whether the consumption person's temperature of pointing out more clearly more directly perceived is safe temperature, and instant alerts is withdrawn.
Description of drawings
Fig. 1 is the schematic block circuit diagram of intelligent scene of a fire rescue warning device of the present invention;
Fig. 2 is the circuit theory diagrams of intelligent scene of a fire rescue warning device of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of intelligent scene of a fire rescue warning device comprises pressure transducer, temperature sensor, heart rate sensor, A/D modular converter, radio receiving transmitting module, speech chip and single-chip microcomputer; The output terminal of described pressure transducer, temperature sensor and heart rate sensor is connected with the input end of A/D modular converter respectively, the output terminal of described A/D modular converter is connected with the FPDP of single-chip microcomputer respectively with the input end of speech chip, and described radio receiving transmitting module is connected with the FPDP of single-chip microcomputer.
The present invention adopts modular design, with Function Decomposition, and the coupling between the reduction.Thereby, reach the lifting of quality or efficient in order to replace certain module, just can not change total, only need to change corresponding module, workload will obviously reduce like this.Comprise altogether 5 modules: modular pressure, thermal module, heart rate module, radio receiving transmitting module and voice module.Described modular pressure is pressure transducer, and the model of employing is Ibest-PT001; Described thermal module is temperature sensor, and the model of employing is DS18B20; Described heart rate module is heart rate sensor, and the model of employing is HKX-08A;
The model that described radio receiving transmitting module adopts is UTC4432, and described voice module is speech chip, and the model of employing is ISD4004.
The below is described in further detail each module:
1), modular pressure
The Ibest-PT001 pressure transducer adopts the silicon piezoresistive transducer chip, amplifies through integrated signal to transform the circuit processing, and output signal is 4～20mA DC mark signal.The fields such as oil, metallurgy, electric power, waterpower, environmental protection, urban water supply that are applicable to are to detection and the control of non-corrosive fluids (gas or liquid).
L, range: 50MPa,
2, working medium: gaseous tension,
3, output signal: 4～20mA DC,
4, power supply: 15～30V DC,
5, overload: 150% of standard range,
6, accuracy class: 0.5,0.3,
7, long-time stability:＜0.2%FS/
2), thermal module
Consider:
1, the adaptation voltage range is wider, and voltage range: 3.0～5.5V can be powered by data line under the parasite power mode;
2, unique one-wire interface mode, DS18B20 only needs a Tiaokou line can realize the both-way communication of microprocessor and DS18B20 when being connected with microprocessor;
3, temperature-measuring range-55 ℃～+ 125 ℃, precision is ± 0.5 ℃ in the time of-10～+ 85 ℃,
The present invention adopts the DS18B20 temperature sensor.
DS18B20 has three pin: VCC, DQ and VDD.
3), heart rate module
When general heart rate sensor is measured heart rate, pulse there is certain pressure, thereby affects fireman's rescue.And with infrared, photoelectric sensor, affected by fire field environment, thereby make the data that record inaccurate.
And HKX-08A is that the integrated analog signal processing of a detection heart rate and digital processing technology are in the circuit module of one.By electrocardioelectrode human body electrocardiosignal, output is synchronized with the pulse signal of heartbeat.Detect the position palm of the hand, wrist, arm, chest etc. are arranged.
When the fireman was carried out rhythm of the heart, sensor and fireman's coat were done together, and electrocardioelectrode is installed in the cuff place, and signal sends to command car or command centre by wireless mode, be used for the fireman and monitor its heart rate data when rescue.
4), radio receiving transmitting module
By the inquiry related data, consider some factors such as distance, sensitivity, power consumption, the present invention has selected this radio receiving transmitting module of UTC4432.
The UTC4432 module is a wireless transparent transport module that possesses transceiver, overlength distance, super low-power consumption.Work in the free ISM band of 433MHz, support wireless awakening, a plurality of channel selections are provided, can conventional parameter be set by PC, also can pass through the MCU online modification, transparent transmission need not programming, and secondary development is simple and convenient.Can once send and reach 384 byte data bags, be very easy to the occasion that needs to send mass data.The open ground communication distance can reach 2000 meters, is fit to remote-wireless data transmission, handset applications exploitation, replaces serial ports cable etc.
5), voice module
The present invention replaces display screen to show with voice reminder, therefore, needs a suitable scene of a fire to rescue the speech chip of this complex environment.
ISD4004, operating voltage 3V, 8 to 16 minutes monolithic recording playback time, tonequality is good.Chip adopts the CMOS technology, includes the many electrical level flash storages of oscillator, anti-aliasing filter, smoothing filter, note amplifier, automatic silencing and high density display.Can under powering-off state, preserve 100 years, can repeatedly record 100,000 times.In view of scene of a fire complex environment and fireman need to hear clearly sound, the present invention has selected this speech chip.
Its record/playback sequential:
Playback: 1. order powers on;
2. wait for TPUD (delayed);
3. send out the SETPLAY order of address value;
4. send out the PLAY order.
At this moment, chip will begin playback from assigned address, when EOM occurring, interrupts stopping immediately playback.
Recording: 1. order powers on;
2. wait for TPUD (delayed);
3. send out the order that powers on;
4. wait for 2 times of TPUD;
5. send out the SETREC order of address value;
6. send out the REC order.
At this moment, chip will begin from the address of appointment recording, and when OVF (memory end) occurring, recording stops.
Circuit theory diagrams of the present invention, as shown in Figure 2, wherein:
The output signal of pressure transducer is AD0, is connected with 61 pins (PF0) of ATMEGA128 single-chip microcomputer.
Temperature sensor DS18B20(JP7) VDD pin is connected with direct supply 24V, and the DQ pin is connected with 46 pins (PA5) of ATMEGA128 single-chip microcomputer, and the GND pin is connected with ground.
Heart rate sensor HKX-08A(JP8) PLS pin is connected with 48 pins (PA3) of ATMEGA128 single-chip microcomputer, the PULSE pin is connected with 47 pins (PA4) of ATMEGA128 single-chip microcomputer, the GND pin is connected with ground, the VCC pin is connected with direct supply 3.3V, the direct and human body surface skin contact of INC1 and INC2 pin.
Radio receiving transmitting module UTC4432(JP3) GND pin is connected with ground, the VCC pin is connected with direct supply 3.3V, SET A pin is connected with 29 pins (PD4) of ATMEGA128 single-chip microcomputer, the TXD pin is connected with 28 pins (PD3) of ATMEGA128 single-chip microcomputer, the RXD pin is connected with 27 pins (PD2) of ATMEGA128 single-chip microcomputer, the AUX pin is connected with 44 pins (PA7) of ATMEGA128 single-chip microcomputer, and SET B pin is connected with 45 pins (PA6) of ATMEGA128 single-chip microcomputer.
Adopt the control method of described intelligent scene of a fire rescue warning device, specifically comprise the steps:
Step 1: detect welding bottle pressure and analog-to-digital conversion part, pressure transducer is received on the welding bottle with three trouble screw interfaces, with the A/D modular converter analog signal conversion of pressure transducer collection is become digital signal;
Step 2: detect fireman's withstand voltage maximum temperature in the scene of a fire, temperature sensor is installed on the fire-fighting suit, near the temperature facial is monitored, with the A/D modular converter analog signal conversion of temperature sensor collection is become digital signal again;
Step 3: the adherent heart rate sensor is installed in the human wrist place, with the A/D modular converter analog signal conversion of heart rate sensor collection is become digital signal again;
Step 4: each digital signal is sent to single-chip microcomputer, wherein, temperature signal and pressure signal pass the I/O mouth toward single-chip microcomputer, heart rate signal is sent to the middle fracture of single-chip microcomputer, what heart rate sensor was exported is the pulse signal that is synchronized with heartbeat, read the interruption number by programming, can try to achieve heart rate by calculating; By single-chip microcomputer each digital signal that receives is analyzed, if temperature value is higher than 80 ℃ of temperature preset values and (just is decided to be 80 ℃ afterwards by linking up with the fireman, can be according to the actual conditions adjustment of making amendment), then carry out temperature alarming by Single-chip Controlling by speech chip, by rapid buzzer prompting fireman; If force value is lower than the pressure preset value, then carry out pressure alarm by Single-chip Controlling by speech chip, by the auditory tone cues fireman; Described pressure alarm adopts secondary to report to the police, and when force value is lower than first order pressure preset value 15MPa, carries out first class pressure by speech chip and reports to the police, and reminds the fireman to accelerate to rescue paces, and sound is " very brief buzzing also has 15MPa "; When force value is lower than second level pressure preset value 10MPa, carry out secondary pressure by speech chip and report to the police, remind the fireman to withdraw as early as possible, sound is " sharp-pointed buzzing also has 10MPa ".
Step 5: temperature, pressure and heart rate signal become the data group after integrating via single-chip microcomputer, be sent to serial port buffering transmitter register SBUF, utilize the micropower radio receiving transmitting module by the CPU programming, detection signal is spread out of the scene of a fire with the radiowave form, and the control desk in outside, the scene of a fire utilizes wireless receiving module to receive this signal, to realize wireless transmission.Outside console terminal is PC, after it receives data, adopts VB interface serial port debugging assistant to analyze the data obtained; And by heart rate, oxygen pressure and environment temperature that Single-chip Controlling LED shows the fireman, the just tissue rescue of peculiar situation appears; Simultaneously these signals are passed to the fireman, remind out with the loudspeaker of smoke helmet, realize Real Time Monitoring, Two-way Feedback.
The present invention is by the boundary of speech chip internal processes control sound prompting, write sound signal 1(in speech chip home address 1 and be the rapid buzzer of temperature alarming audio frequency herein), write sound signal 2(on the address 2 and remind the very brief buzzing of audio frequency for pressure alarm I level herein, " also has 15MPa "), write sound signal 3(on the address 3 and remind the sharp-pointed buzzing of audio frequency for pressure alarm II level herein, " also having 10MPa ").
Claims (10)
1. an intelligent scene of a fire rescue warning device is characterized in that comprising pressure transducer, temperature sensor, heart rate sensor, A/D modular converter, radio receiving transmitting module, speech chip and single-chip microcomputer; The output terminal of described pressure transducer, temperature sensor and heart rate sensor is connected with the input end of A/D modular converter respectively, the output terminal of described A/D modular converter is connected with the FPDP of single-chip microcomputer respectively with the input end of speech chip, and described radio receiving transmitting module is connected with the FPDP of single-chip microcomputer.
2. intelligent scene of a fire rescue warning device according to claim 1 is characterized in that the model that described pressure transducer adopts is Ibest-PT001.
3. intelligent scene of a fire rescue warning device according to claim 1 is characterized in that the model that described temperature sensor adopts is DS18B20.
4. intelligent scene of a fire rescue warning device according to claim 1 is characterized in that the model that described heart rate sensor adopts is HKX-08A.
5. intelligent scene of a fire rescue warning device according to claim 1 is characterized in that the model that described radio receiving transmitting module adopts is UTC4432.
6. intelligent scene of a fire rescue warning device according to claim 1 is characterized in that the model that described speech chip adopts is ISD4004.
7. adopt the control method of intelligent scene of a fire rescue warning device claimed in claim 1, it is characterized in that specifically comprising the steps:
Step 1: the A/D modular converter becomes digital signal with the analog signal conversion of pressure transducer, temperature sensor and heart rate sensor collection, and sends to single-chip microcomputer;
Step 2: by single-chip microcomputer each digital signal that receives is analyzed, if temperature value is higher than the temperature preset value, then carried out temperature alarming by speech chip; If force value is lower than the pressure preset value, then carry out pressure alarm by speech chip;
Step 3: send detection signal to control desk by radio receiving transmitting module by single-chip microcomputer.
8. the control method of intelligent scene of a fire rescue warning device according to claim 7 is characterized in that the pressure alarm described in the step 2 adopts secondary to report to the police, and when force value is lower than first order pressure preset value, carries out first class pressure by speech chip and reports to the police; When force value is lower than second level pressure preset value, carries out secondary pressure by speech chip and report to the police.
9. the control method of intelligent scene of a fire rescue warning device according to claim 7 is characterized in that described temperature preset value is 80 ℃.
10. the control method of intelligent scene of a fire rescue warning device according to claim 8 is characterized in that described first order pressure preset value is 15MPa, and second level pressure preset value is 10MPa.
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| CN105232018A (en) * | 2015-11-10 | 2016-01-13 | 天津工业大学 | Multi-individual multi-parameter multi-sensing intelligent fireman physical ability early-warning and monitoring device |
| CN107362469A (en) * | 2017-06-30 | 2017-11-21 | 湖南文理学院 | Double backstage air respiratorresuscitator monitoring systems based on Internet of Things |
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| CN103021127B (en) | 2015-09-02 |
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