CN103501336A - Internet-of-things-based rescuer safety protection and monitoring system and method - Google Patents
Internet-of-things-based rescuer safety protection and monitoring system and method Download PDFInfo
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- CN103501336A CN103501336A CN201310460262.1A CN201310460262A CN103501336A CN 103501336 A CN103501336 A CN 103501336A CN 201310460262 A CN201310460262 A CN 201310460262A CN 103501336 A CN103501336 A CN 103501336A
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Abstract
The invention discloses an internet-of-things-based rescuer safety protection and monitoring system and an internet-of-things-based rescuer safety protection and monitoring method. The system comprises a central monitoring system and rescuer terminal equipment. The central monitoring system comprises a computer and a short message communication module; the short message communication module is connected with a serial port of a computer; the rescuer terminal equipment comprises embedded gateway equipment, a body posture state detection sensor module, an impact detection sensor module, a heart rate detection sensor module, a protection module, a safety airbag protective clothing and an energy supply module; if a rescuer is crushed by a heavy object or rolls over or drops, the safety airbag protective clothing worn by the rescuer can be timely opened so as to effectively protect the rescuer and reduce the extent of injury; the body state of the rescuer can be collected in real time by using the internet-of-things in a rescue process of the rescuer, the basic information, the positioning information and the safety state information on the rescuer can be uninterruptedly and periodically transmitted to the central monitoring system through network, and the pieces of information are display by the central monitoring system in real time.
Description
Technical field
The invention belongs to the Internet of Things areas of information technology, relate to a kind of rescue personnel's security protection supervisory control system and method based on Internet of Things.
Background technology
Internet of Things is the network of information transmission and control between thing and thing, people and thing.Its essence is on the Internet technology basis, by radio-frequency (RF) identification, sensor network, global positioning system, data communication technology etc., article (commodity) are connected with the Internet, form one and cover the integration networks of all things (Internet Of Things) in this world.In this network, all things on earth is identified and information sharing automatically, and the standard pre-established according to people is " interchange " each other, carries out information exchange and communication, to realize intelligent identification, location, tracking, monitoring and management function.
In the process of implementing rescue, the rescue command center needs deployment, configuring condition and details instant, that intuitively recognize accurately the rescue personnel, so that, to whole rescue implementation Process command scheduling, complete better rescue task.Rescue personnel's the very important point in rescue will protect oneself exactly, in order to implement better rescue.The rescue personnel is in the process of implementing rescue, and be faced with the numerous danger in complicated rescue environment: the weight 1) fallen injures, squeezes wound, tumble injury etc. by a crashing object; 2) task continuous rescue action heavy, that the time is long may make rescue personnel's excessive consumption on mental and physical efforts and muscle power, causes rescue personnel " exhaustion syndrome "; 3) the not good meeting of physiology and psychological condition causes rescue personnel's being not in good state in the rescue process, even has an accident; Can't notify the position at self place when 4) rescue personnel loses capacity of will having an accident at once.These unknown accidents all likely make the rescue personnel at any time among being in extreme danger, and cause the rescue personnel to convert the role, become by the rescue worker, not only can waste a large amount of manpower and materials, also can cause great psychological burden to the rescue personnel who is searched and rescued.
Effectively safeguard procedures can effectively reduce rescue personnel's extent of injury, existing rescue personnel's protective gear mainly contains protective helmet, protective garment, GPS hand-held set, distress machine, directional light, physiological characteristic monitoring equipment etc., and these protective gears have guaranteed rescue personnel's personal safety to a certain extent.But these safety prevention measures are mainly passive and single security protections, as protective helmet can guarantee rescue personnel's head safety, but can not guarantee the safety of cervical vertebra and other significant points of upper body when having an accident; Some special-purpose protective garments can effectively be protected the rescue personnel, but equipment is heavy, are not easy to dress; The calling for help such as distress machine, directional light measure requires the rescue personnel could use in conscious situation; Although have the part equipment to position or physiological detection the rescue personnel, function is relatively single.The rescue personnel will consume a large amount of mental and physical efforts and muscle power in rescue process itself, if the unconfined equipment that carries again can only bring white elephant more to the rescue personnel, be not easy to implement rescue.And existing rescue personnel's protective gear can not the Real-Time Monitoring rescue personnel physical state, and can effectively prevent that by the monitoring to these states the rescue personnel from exhausting syndromic generation.
Summary of the invention
The deficiency existed for prior art, the invention provides a kind of rescue personnel's security protection supervisory control system and method based on Internet of Things.
Technical scheme of the present invention:
A kind of rescue personnel's security protection supervisory control system based on Internet of Things, comprising: central monitoring system and rescue personnel's terminal equipment;
Described central monitoring system comprises computer and short message communication module, and the short message communication module is connected with serial ports of computers;
Described rescue personnel's terminal equipment comprises embedded gateway equipment, position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly, protection module, air bag for protection clothes and energy supply module;
Described air bag for protection clothes are dressed by the rescue personnel;
Described embedded gateway equipment is carried by the rescue personnel, and this equipment comprises arm processor, GPS locating module, program storage, sdram memory, SD memory interface, LCD display, energy supply module, GPRS wireless communication module and wireless radio-frequency communication module; GPS locating module, program storage, sdram memory, SD memory interface, LCD display, GPRS wireless communication module and wireless radio-frequency communication module all are connected with the I/O port of arm processor;
Described position state detection sensor module is fixed in the waistband of air bag for protection clothes;
Described impact detecting sensor module has a plurality of sensor probes, and the sensor probe distributing installation is in the body trunk position of air bag for protection clothes;
Two end of probe of described heart rate detection sensor assembly are arranged on two wrist location of air bag for protection clothes;
Described protection module is connected with the electromagnetically operated valve of the gas tank of air bag for protection clothes;
Each output of described energy supply module connects respectively position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly and protection module;
Described position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly and protection module carry out exchanges data by wireless radio-frequency communication module and embedded gateway equipment respectively;
Described rescue personnel's terminal equipment passes through GPRS wireless communication module accessing Internet, and then communicates by the Internet and central monitoring system.
Described central monitoring system is used for receiving the data from embedded gateway equipment by the Internet, the rescue personnel is carried out to identification, track and localization, safe condition monitoring, the depletion state monitoring of rescue personnel's muscle power and rescue team's muscle power exhaustion data and process.
Described short message communication module is for being sent to the IP address of computer the GPRS wireless communication module of embedded gateway equipment.
Described rescue personnel's terminal equipment is detected for position state, impact events and the heart rate to the rescue personnel, and judges whether that according to the data that detect the gas tank of airbag opening protection clothes carries out security protection to the rescue personnel.
Described protection module is for the opening and closing of the electromagnetically operated valve of the gas tank of controlling air bag for protection clothes.
The method that adopts described rescue personnel's security protection supervisory control system based on Internet of Things to carry out security protection to the rescue personnel, comprise the steps:
Step 1: set rescue personnel's Back ground Information in embedded gateway equipment and computer, Back ground Information comprises rescue personnel's identity information and affiliated group information; Set rescue personnel's position status safety reference value, each position pressurized secure reference value of body trunk of rescue personnel, rescue personnel's basal heart rate value and rescue personnel's maximum heart rate value in embedded gateway equipment;
Heart rate value when the basal heart rate value is rescue personnel's peace and quiet; Rescue personnel's maximum heart rate value is 220 to deduct the numerical value after its age;
Step 2: position state detection sensor module, impact detecting sensor module and heart rate detection sensor assembly be Real-time Collection rescue personnel's position status data, rescue personnel's body trunk multiple location pressurized data and rescue personnel's heart rate data respectively, and all sends these data to embedded gateway equipment;
Step 2-1: position state detection sensor module Real-time Collection rescue personnel's position status data, i.e. position accekeration and position acceleration duration, and all send these data to embedded gateway equipment;
Step 2-2: the pressurized data of impact detecting sensor module Real-time Collection rescue personnel's body trunk multiple location, and all send these data to embedded gateway equipment;
Step 2-3: heart rate detection sensor assembly Real-time Collection rescue personnel's heart rate, and send this rescue personnel's real-time heart rate value to embedded gateway equipment;
Step 3: embedded gateway equipment is according to the rescue personnel's who receives in real time position status data, and the 3-axis acceleration value, calculate the 3-axis acceleration vector;
Step 4: according to rescue personnel's position status safety reference value and protection condition judgment rescue personnel, whether need protection, be, embedded gateway equipment sends to order and protects convinced tank to carry out security protection to the rescue personnel to the protection module airbag opening, and rescue personnel's current safe state is sent to central monitoring system, no, embedded gateway equipment continues the data that monitoring position state detection sensor module sends;
Described protection condition is as follows:
(1) individual axis acceleration value≤0.1g, and acceleration duration >=650ms, wherein g is acceleration of gravity;
(2) the 3-axis acceleration value all≤0.36g, and the equal duration >=650ms of 3-axis acceleration;
(3) the equal duration >=650ms of 3-axis acceleration vector≤0.3g, and 3-axis acceleration;
(4) be no more than 100ms interval time and produce individual axis acceleration value≤0.1g continuous 3 times, and acceleration duration >=300ms;
(5) be no more than interval time 100ms continuous produce for 3 times the 3-axis acceleration values all≤0.36g, and the equal duration >=300ms of 3-axis acceleration;
(6) be no more than interval time 100ms continuous produce for 3 times accelerations and≤0.3g, and the equal duration >=300ms of 3-axis acceleration;
When at least meeting a protection condition, judge that the rescue personnel needs protection;
Step 5: embedded gateway equipment judges whether the pressurized data that arbitrary sensor probe of impact detecting sensor module sends are more than or equal to 3000N, be, judge the rescue personnel and need protection, embedded gateway equipment sends order and protects convinced tank to be protected the rescue personnel to the protection module airbag opening, and current safe condition sends to central monitoring system by this rescue personnel, no, embedded gateway equipment continues the pressurized data that monitoring impact detecting sensor module sends;
Step 6: the muscle power that embedded gateway equipment obtains the rescue personnel according to rescue personnel's basal heart rate value, rescue personnel's maximum heart rate value and rescue personnel's real-time heart rate data exhausts that Data Concurrent gives central monitoring system, and judgement rescue personnel muscle power depletion state send to central monitoring system;
Step 6-1: embedded gateway equipment periodic calculating rescue personnel's average heart rate value;
Step 6-2: according to rescue personnel's basal heart rate value, maximum heart rate value and average heart rate value, embedded gateway equipment periodic calculating rescue personnel's muscle power is exhausted and physical depletion state and muscle power is exhausted to data send to central monitoring system;
Rescue personnel's muscle power exhausts being the difference of rescue personnel's average heart rate value and its basal heart rate value quotient after divided by the difference of this rescue personnel's maximum heart rate value and its basal heart rate;
Rescue personnel's muscle power depletion state standard:
(1) 0.5≤rescue personnel muscle power exhausts<0.8, is that moderate muscle power is exhausted;
(2) rescue personnel's muscle power exhausts >=0.8, is that excessively muscle power is exhausted;
Step 7: central monitoring system is exhausted data according to each rescue personnel's of rescue personnel's Back ground Information and reception muscle power, calculates the average physical exhaustion situation of each rescue team;
The average muscle power of rescue team exhausts being the quotient of the muscle power exhaustion numerical value sum of all rescue personnels in rescue team divided by this rescue team's sum;
The average physical depletion state standard of rescue team:
(1) the average muscle power of group exhausts<0.5, is full of physical strength;
The average muscle power of (2) 0.5≤groups exhausts<0.8, is that moderate muscle power is exhausted;
(3) the average muscle power of group exhausts >=0.8, is that excessively muscle power is exhausted;
Step 8: rescue personnel's Back ground Information that central monitoring system will send from embedded gateway equipment, locating information, muscle power exhaust that the average physical depletion state of the rescue team of data and safe condition and calculating gained shows.
Beneficial effect: if the rescue personnel runs into weight, weigh wounded, turn on one's side and while falling, can open in time the air bag for protection clothes of self dressing, thereby effectively protect the rescue personnel, the Harm reduction degree, can implement in the process of rescue the rescue personnel, utilize Internet of Things real-time collecting rescue personnel's condition, and by network incessantly, periodically to central monitoring system, send rescue personnel's Back ground Information, locating information and safety state information, central monitoring system shows in real time to these information, make the rescue command center can be real-time, recognize exactly each rescue team and single rescue personnel's details, particularly in the muscle power of recognizing the rescue personnel, exhaust on Information base and more effectively carry out commander and scheduling in real time, can avoid in time the rescue personnel to exhaust syndromic generation.
The accompanying drawing explanation
The structural representation of the rescue personnel's security protection supervisory control system based on Internet of Things that Fig. 1 is one embodiment of the present invention;
The embedded gateway device structure schematic diagram that Fig. 2 is one embodiment of the present invention;
The embedded microprocessor S3C2440 that Fig. 3 is one embodiment of the present invention and the annexation figure of SDRAM;
The embedded microprocessor S3C2440 that Fig. 4 is one embodiment of the present invention and the annexation figure of program storage;
The embedded microprocessor S3C2440 that Fig. 5 is one embodiment of the present invention and the annexation figure of GPS/GPRS module;
The GPS/GPRS module that Fig. 6 is one embodiment of the present invention and the annexation figure of SIM card slot;
The embedded microprocessor S3C2440 that Fig. 7 is one embodiment of the present invention and the annexation figure of wireless radio-frequency communication module CC2530;
The annexation figure of the embedded microprocessor S3C2440 that Fig. 8 is one embodiment of the present invention and SD memory interface slot;
The embedded microprocessor S3C2440 that Fig. 9 is one embodiment of the present invention and the annexation figure of LCD display;
The structural representation of the position state detection sensor module that Figure 10 is one embodiment of the present invention;
The first wireless radio-frequency communication module CC2350 that Figure 11 is one embodiment of the present invention and the annexation figure of 3-axis acceleration sensor MPU6000;
The impact detecting sensor modular structure schematic diagram that Figure 12 is one embodiment of the present invention;
The charge amplifying circuit figure that Figure 13 is one embodiment of the present invention;
The annexation figure of the AD converter ADC08098 that Figure 14 is one embodiment of the present invention and the second wireless radio-frequency communication module CC2530;
The heart rate detection sensor module structure schematic diagram that Figure 15 is one embodiment of the present invention;
The heart rate sensor HKX-08A that Figure 16 is one embodiment of the present invention and the annexation figure of the 3rd wireless radio-frequency communication module CC2530;
The protection module structural representation that Figure 17 is one embodiment of the present invention;
The protection module circuit diagram that Figure 18 is one embodiment of the present invention;
The workflow diagram of the rescue personnel's security protection method for supervising based on Internet of Things that Figure 19 is one embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Rescue personnel's security protection supervisory control system based on Internet of Things of present embodiment, as shown in Figure 1, comprising: central monitoring system and rescue personnel's terminal equipment;
Described central monitoring system comprises computer and short message communication module; Computer is selected Lenovo Qitian M4380, and the short message communication module is selected Ling Qi communication LQ1000, and the short message communication module is connected with serial ports of computers, and computer is by the wired mode accessing Internet, and the short message communication module is placed a GSM card, access mobile communication net;
Described rescue personnel's terminal equipment as shown in Figure 1, comprises embedded gateway equipment, position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly, protection module, air bag for protection clothes and energy supply module;
Described air bag for protection clothes are dressed by the rescue personnel;
Described embedded gateway equipment is carried by the rescue personnel, as shown in Figure 2, this equipment comprises arm processor, GPS locating module, program storage, sdram memory, SD memory interface, LCD display, energy supply module, GPRS wireless communication module and wireless radio-frequency communication module to its structure; GPS locating module, program storage, sdram memory, SD memory interface, LCD display, GPRS wireless communication module and wireless radio-frequency communication module all are connected with the I/O port of arm processor;
In present embodiment, the ARM microprocessor of embedded gateway equipment adopts the embedded microprocessor of the S3C2440 of Samsung; Wireless radio-frequency communication module adopts the CC2530 radio receiving transmitting module of Texas Instrument; The SIM908 that GPRS wireless communication module and GPS locating module select Simcom company to release; Program storage is selected K9F2G08; SDRAM, as internal memory, selects 2 HY57V561620F; The SD memory interface is selected 676008001 of MOLEX; LCD display is selected the LTV035QV of Samsung; The energy supply module adopts the ICR18650-28A high-capacity lithium battery group of Samsung, by 3 ICR18650-28A parallel connections, and battery capacity 8400mAh, battery nominal voltage 3.75V.
Embedded microprocessor S3C2440 and SDRAM annexation are as shown in Figure 3, the 32 data lines DATA0-31 of S3C2440 are connected with the data wire DQ0-15 of 2 HY57V561620F, 13 address wire ADDR2-14 of S3C2440 are connected with the address wire A0-12 of HY57V561620F, 2 address wire ADDR24-25 of S3C2440 are connected with the address wire BA0-BA1 of HY57V561620F, as location line superlatively.
The concrete annexation of embedded microprocessor S3C2440 and SDRAM is as follows:
1, the nGCS6 of embedded microprocessor S3C2440 is connected with the CS of 2 HY57V561620F, as chip selection signal.
2, nWE is connected with the WE stitch of 2 HY57V561620F, as writing, enables.
3, nSRAS is connected with the CAS stitch of 2 HY57V561620F, as the row address switch.
4, nSCAS is connected with the RAS stitch of 2 HY57V561620F, as the column address switch.
5, write byte and enable four line nWBE[3:0] with LDQM, the UDQM stitch of 2 HY57V561620F, be connected respectively, totally 32 of 4 bytes, be a data unit.
6, the SCLK0 stitch of embedded microprocessor S3C2440 is connected with the CLK stitch of 2 HY57V561620F respectively with the SCLK1 stitch, as the clock signal of sdram memory.
7, the SCKE stitch of embedded microprocessor S3C2440 is connected with the CKE stitch of 2 HY57V561620F, as the clock enable signal of sdram memory.
As shown in Figure 4, the DATA0-7 of S3C2440 connects respectively the I/O0-7 of K9F2G08 to the annexation of embedded microprocessor S3C2440 and K9F2G08, as data and address, transmits bus; The holding wire of controlling read-write connects as follows: the ALE/GPA18 of S3C2440 is connected with the ALE of K9F2G08, the CLE/GPA17 of S3C2440 is connected with the CLE of K9F2G08, the nFCE/GPA22 of S3C2440 is connected with the CE of K9F2G08, the nFRE/GPA20 of S3C2440 is connected with the RE of K9F2G08, and the nFWE/GPA19 of S3C2440 is connected with the RE of K9F2G08.K9F2G08 adopts the supply power mode of 3.3V, according to selected NANDFLASH model K9F2G08, GP13, GP14, GP15 and the NCON of S3C2440 is arranged simultaneously.
Embedded microprocessor S3C2440 is connected with SIM908 by the UART interface, its annexation as shown in Figure 5, the UART_RXD1 of S3C2440 is connected with the TXD of SIM908, and UART_TXD1 is connected with RXD, as the tcp data segment of GSM/GPRS.The UART_RXD2 of S3C2440 is connected with the GPS/DBG_TXD of SIM908, UART_TXD2 is connected with GPS/DBG_RXD, as the tcp data segment of GPS, the GPFF6 of S3C2440 is connected with the PWRKEY of SIM908, as the activation of SIM908 and the signal enabled.SIM908 is connected as shown in Figure 6 with the SIM card slot, and the SIM card slot is placed a GSM card, for embedded gateway equipment access mobile radio communication and the Internet.
Wireless radio-frequency communication module CC2530 is connected as shown in Figure 7 with embedded microprocessor S3C2440, as the wireless radio-frequency communication module CC2530 from equipment, by spi bus, with embedded microprocessor S3C2440, be connected, the P0_1 of wireless radio-frequency communication module CC2350 is connected with the SPIMISO0 output of embedded microprocessor S3C2440 as spi bus input MI interface, the P0_2 of wireless radio-frequency communication module CC2350 is connected with the input SPIMISI0 of embedded microprocessor S3C2440 as spi bus output MO interface, the P0_4 of wireless radio-frequency communication module CC2350 is connected with the clock signal SPICLK0 of embedded microprocessor S3C2440 as spi bus clock signal input interface, for the receive clock signal, the P0_3 of wireless radio-frequency communication module CC2350 is connected with the GPG7 interface of embedded microprocessor S3C2440 as spi bus enable signal interface, as from equipment, receiving chip selection signal, receive and send data for controlling wireless radio-frequency communication module CC2530, the PRSET_N of wireless radio-frequency communication module CC2350 is connected with the GPG6 interface of embedded microprocessor S3C2440 as SPI reset signal interface.
Embedded microprocessor S3C2440 is connected as shown in Figure 8 with SD memory interface slot, SD memory interface slot adopts the 3.3V Power supply, the SDDATA0-SDDATA3 of embedded microprocessor S3C2440 is connected with the DATA0-DATA3 of SD memory interface slot, for the transmission of data; The SDCLK of embedded microprocessor S3C2440 is connected with the CLK of SD memory interface slot, synchronous for clock; The SDCMD of embedded microprocessor S3C2440 is connected with the CMD of SD memory interface slot, for the control of reading and writing data state.
Embedded microprocessor S3C2440 is connected as shown in Figure 9 with LCD display, the VD3-VD7 of embedded microprocessor S3C2440, VD10-VD15, VD19-VD23 respectively with the TFT_B3-TFT_B7 of LCD, TFT_G2-TFT_G7, TFT_R3-TFT_R7 is connected, the picture element signal that will show to LCD display output for embedded microprocessor S3C2440, the GPG4 of embedded microprocessor S3C2440 is connected with the LCD_POWEN of LCD, control the startup of LCD and close for embedded microprocessor S3C2440, the TSYM of embedded microprocessor S3C2440, TSXM, TSYP, the TSYM of TSXP and LCD, TSXM, TSYP, TSXP is connected, touch control signal for embedded microprocessor S3C2440 and LCD transmits, the VCLK of embedded microprocessor S3C2440 is connected with the LCD_CLK of LCD, for the pixel clock synchronizing signal, the VM of embedded microprocessor S3C2440 is connected with the LCD_ACT of LCD, for data effective marker signal, the VLINE of embedded microprocessor S3C2440 is connected with the LCD_RS of LCD, for line synchronizing signal, the VFRAME of embedded microprocessor S3C2440 is connected with the LCD_VS of LCD, for frame synchronizing signal, LCD display adopts the 3.3V supply power mode.
Described position state detection sensor module comprises 3-axis acceleration sensor and the first wireless radio-frequency communication module, and position state detection sensor module is fixed in the waistband of air bag for protection clothes, and its structure as shown in figure 10; By pcb board, 3-axis acceleration sensor is connected with the first wireless radio-frequency communication module, its connecting circuit as shown in figure 11,3-axis acceleration sensor adopts MPU-6000, the first wireless radio-frequency communication module is selected the CC2530 of Texas Instrument, 3-axis acceleration sensor MPU-6000 is as from equipment, be connected with the spi bus of the first wireless radio-frequency communication module CC2530 by spi bus, carry out the transmission of data and the transmission of clock.The P0_1 of the first wireless radio-frequency communication module CC2350 is connected with the output AD0/SDO of 3-axis acceleration sensor MPU6000 as spi bus input MI interface, the P0_2 of CC2350 is connected with the input SDA/SDI of 3-axis acceleration sensor MPU6000 as spi bus output MO interface, the P0_4 of 3-axis acceleration sensor CC2350 is connected with the clock signal SCL/SCLK of 3-axis acceleration sensor MPU6000 as the spi bus interface clock signal, the P0_5 of CC2350 as spi bus enable signal interface and 3-axis acceleration sensor MPU6000 /the CS interface is connected.
Described impact detecting sensor module comprises a plurality of sensor probes, charge amplifier, AD converter and the second wireless radio-frequency communication module, and its structure is shown as Figure 12, the body trunk position that the sensor probe distributing installation takes at air bag for protection; Sensor probe is selected 6 eTouch piezoelectric film sensors, be placed in respectively the inboard position corresponding to the cervical vertebra of human body, left chest, right chest, belly, back backbone top and back backbone below of air bag for protection clothes, arrive charge amplifier circuit by connection, the huge pressure that may suffer for the significant points of monitoring health, the second wireless radio-frequency communication module is selected the CC2530 of Texas Instrument; AD converter is selected ADC0809; Charge amplifier is selected AD820, and circuit as shown in figure 13; The input of the output termination charge amplifier circuit of piezoelectric film sensor, signal is output after amplifying, charge amplifier AD820 output interface connects the input stitch of ADC0809, the amplifying circuit of 6 piezoelectric film sensors is connected respectively to the IN0-IN5 stitch of AD converter ADC0809, represent 6 different inputs, the scope of its output is 0-5V, represent respectively different force value, the connection diagram that schematic diagram as shown in figure 13 is one of them piezoelectric film sensor and charge amplifier AD820 and AD converter ADC0809;
AD converter ADC0809 is connected as shown in figure 14 with CC2530's, the output stitch D0-D5 of AD converter ADC0809 is connected respectively to the P0_0 of CC2530 to the P0_5 stitch, for gathering the dac value of 6 different piezoelectric film sensors, the P1_0 of CC2530, P1_1, P1_2 connect respectively reference address stitch A, B, the C of AD converter ADC0809, for sending the address signal that need to be changed, each different address signal represents different piezoelectric film sensor amplifying circuits; The P0_6 of CC2530 connects ST and the ALE stitch of ADC0809, the signal that starts to carry out digital-to-analogue conversion and latch reference address for transmission; The P1_3 of CC2530 connects the OE stitch of AD converter ADC0809, for to AD converter ADC0809 transmitted signal, shows that CC2530 can receive data, allows AD converter ADC0809 to send data; The P1_4 of CC2530 connects the EOC stitch of ADC0809, for receiving the signal of AD converter ADC0809, shows that digital-to-analogue conversion finishes, and can send data at any time; AD converter ADC0809 adopts the 5V power supply, and CC2530 adopts the supply power mode of 3.3V.
Described heart rate detection sensor assembly comprises heart rate detection transducer and the 3rd wireless radio-frequency communication module, and two end of probe of heart rate detection transducer are arranged on two wrist location of air bag for protection clothes, and its structure as shown in figure 15; Heart rate sensor adopts HKX-08A, the 3rd wireless radio-frequency communication module is selected CC2530, the annexation of HKX-08A and CC2530 as shown in figure 16,2 probes of heart rate sensor HKX-08A connect respectively 2 inputs of HKX-08A, the output of HKX-08A connects the P0_0 of CC2530, for to CC2530, exporting data, HKX-08A powers with 3.3V.
Protection module described in rescue personnel's terminal equipment comprises protection circuit and the 4th wireless radio-frequency communication module, and as shown in figure 17, the 4th wireless radio-frequency communication module is selected CC2530; Protection module is connected by wire with the electromagnetically operated valve of the gas tank of air bag, after receiving the order of opening promptly airbag opening protection clothes the gas tank electromagnetically operated valve.As shown in figure 18, protection circuit is tri-state gate circuit, for controlling the on/off of electromagnetically operated valve, electromagnetically operated valve is selected normally closed type miniature electromagnetic valve 2W025-08, the 4th wireless radio-frequency communication module is selected CC2530, the P0_0 of CC2530 is connected with the enable signal stitch EN of tri-state gate circuit, for all-round break-make tri-state gate circuit, after protection module is received the signal of airbag opening clothes, can send and enable high level to tri-state gate circuit, make tri-state gate circuit in logical state, thereby open the electromagnetically operated valve of the gas tank of air bag for protection clothes, gas in container can be full of air bag within the shortest time, if receiving, tri-state gate circuit do not enable high level, in the high impedance off-state.
Described air bag for protection clothes adopt air bag for protection clothes of the prior art, specifically select the MOTORRAD air bag for protection clothes of Hit-air, comprise CO2 container, 9V power supply, electromagnetically operated valve and protection clothes.The air bag for protection clothes have no difference with the jacket worn at ordinary times, not only can not hinder rescue personnel's rescue action, in the process of can also suffer fierce shock the rescue personnel, pushing, fall, effectively protect the significant points of rescue personnel's body trunk.The operation principle of these air bag for protection clothes is to excite electromagnetically operated valve by certain voltage and current, opens the CO2 container, air bag is opened in 0.5S, effectively to protect the rescue personnel.As shown in figure 17, electromagnetically operated valve is selected normally closed type miniature electromagnetic valve 2W025-08 to its circuit connection diagram, a 9V alkaline battery for the 9V power acquisition.The negative pole of 9V battery cathode connected electromagnetic valve, the 9V anode connects the entrance stitch of tri-state gate circuit, the positive pole of tri-state gate circuit outlet stitch connected electromagnetic valve, when tri-state gate circuit is received while enabling high level, tri-state gate circuit is just in logical state, the 9V battery is to solenoid valve, and electromagnetically operated valve is opened, and the gas in the CO2 gas tank can be full of air bag within the shortest time; Do not enable high level if tri-state gate circuit is received, in the high impedance off-state, now the CO2 container is processed closed condition.The CO2 gas tank is high pressure gas holder, the CO2 high pressure gas holder that must more renew after opening once.
Each output of described energy supply module connects respectively position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly and protection module; The energy supply module of present embodiment mainly adopts high-capacity lithium battery to be unified power supply, and circuit adopts and the mode that connects is connected power supply with each sensor assembly and Executive Module, and supply power voltage has 3.3V and 5V.
Each wireless radio-frequency communication module in present embodiment is all selected CC2530, the less radio-frequency sensor network adopts the wireless Star Network of ZIGBEE to realize communication, position state detection sensor module, the impact detecting sensor module, heart rate detection sensor assembly and protection module are all undertaken interconnected by ZIGBEE wireless self-networking agreement and embedded gateway equipment, embedded gateway equipment is the main equipment in the ZIGBEE network as coordinator node, position state state detection sensor module, the impact detecting sensor module, heart rate detection sensor assembly and protection module be in the ZIGBEE network from node, embedded gateway equipment is stored the adjacency list of all-network association in program storage, each node and embedded gateway equipment are in initialization procedure, the adjacency list that embedded gateway equipment is stored with self is organized each sensor node and protection node, the star ZIGBEE network that embedded gateway equipment is coordinator node is take in foundation.
The computer of the central monitoring system of present embodiment is by the wired mode accessing Internet, embedded gateway equipment in rescue personnel's terminal equipment is by the GPRS wireless communication module accessing Internet of self, with central monitoring system, communicate, complete the rescue personnel is carried out to identification, track and localization and safe condition monitoring, and rescue personnel's heart rate data is processed.The information that embedded gateway equipment sends to central monitoring system has the information of identification, location, heart rate data and safe condition.Central monitoring system sends a note that comprises self IP by the short message communication module to all embedded gateway equipment when starting, and all to all embedded gateway equipment, sends the note of a set form that comprises self IP during each change IP address later.Embedded gateway equipment checks the note that comprises IP from central monitoring system of receiving when starting, take the up-to-date time as benchmark, IP address in the note of receiving is write during server address arranges, in order to this central monitoring system, to send data, can reset server address while receiving the new information that comprises IP later at every turn, if the information of not receiving, address is set to 127.0.0.1.
Embedded gateway equipment by the information of GSM card as identity identification information; The locating information that embedded gateway equipment sends is that embedded gateway equipment positions and obtains by GPS and GPRS network, embedded gateway equipment is the preferential GPS location of selecting when positioning, if GPS locates when invalid, use the GPRS base station network to position, locate when effective and again locating information is corrected again until GPS, to make up the deficiency of folk prescription formula location, prevent the locating information loss; Heart rate data is that embedded gateway equipment gathers the reprocessing gained by the heart rate detection sensor assembly;
The managing personnel can command and scheduling the rescue personnel with reference to the data of described central monitoring system; After central monitoring system receives the data from each rescue personnel's embedded gateway equipment, after heart rate data is processed, the integrated informations such as position of the muscle power exhaustion of rescue personnel and rescue team and rescue personnel and rescue team are shown intuitively, be convenient to the managing personnel with reference to commanding and scheduling.
The method that adopts described rescue personnel's security protection supervisory control system based on Internet of Things to be protected the rescue personnel, flow process as shown in figure 19, comprises the steps:
Step 1: set rescue personnel's Back ground Information in embedded microprocessor S3C2440 and computer, Back ground Information comprises rescue personnel's identity information and affiliated group information; Set rescue personnel's position status safety reference value, each position pressurized secure reference value of body trunk of rescue personnel, rescue personnel's basal heart rate value and rescue personnel's maximum heart rate value in flush bonding processor S3C2440;
Heart rate value when the basal heart rate value is rescue personnel's peace and quiet; Rescue personnel's maximum heart rate value is 220 to deduct the numerical value after its age;
Rescue personnel's identity identification information, position status safety reference value, rescue personnel's body trunk multiple location pressurized secure reference value, rescue personnel's basal heart rate value and rescue personnel's maximum heart rate value all is set in the program storage in its entrained embedded gateway equipment; All rescue personnels' essential information all is input in the database of central monitoring system.
Step 2: position state detection sensor module, impact detecting sensor module and heart rate detection sensor assembly be Real-time Collection rescue personnel's position status data, rescue personnel's body trunk multiple location pressurized data and rescue personnel's heart rate data respectively, and all sends these data to embedded gateway equipment;
Step 2-1: the 3-axis acceleration sensor MPU6000 Real-time Collection rescue personnel's of position state detection sensor module position status data, be position accekeration and position acceleration duration, and these rescue personnels' position status data all sent to the wireless radio-frequency communication module CC2350 of embedded gateway equipment by the first wireless radio-frequency communication module CC2350 of position state detection sensor module;
Step 2-2: the pressurized data of 6 eTouch piezoelectric film sensor Real-time Collection rescue personnels' of impact detecting sensor module body trunk multiple location, and the CC2350 of integrated the second wireless radio-frequency communication module by the impact detecting sensor module all sends these pressurized data to the wireless radio-frequency communication module CC2350 of embedded gateway equipment;
Step 2-3: the heart rate detection transducer HKX-08A Real-time Collection rescue personnel's of heart rate detection sensor assembly heart rate, and the CC2350 of the 3rd wireless radio-frequency communication module by the heart rate detection sensor assembly sends this rescue personnel's real-time heart rate value to the wireless radio-frequency communication module CC2350 of embedded gateway equipment;
Step 3: the ARM microprocessor S3C2440 of embedded gateway equipment equipment is according to the rescue personnel's who receives in real time position status data, and the 3-axis acceleration value, calculate the 3-axis acceleration vector;
Step 4: according to rescue personnel's position status safety reference value and protection condition judgment rescue personnel, whether need protection, be, the ARM microprocessor S3C2440 of embedded gateway equipment protects convinced tank to carry out security protection to the rescue personnel by the wireless radio-frequency communication module CC2350 transmission order of embedded gateway equipment to the 4th wireless radio-frequency communication module CC2350 airbag opening of protection module, and the safe condition that the rescue personnel is current sends to central monitoring system by the SIM908 of embedded gateway equipment, no, embedded gateway equipment continues the data that monitoring position state detection sensor module sends,
Described protection condition is as follows:
(1) individual axis acceleration value≤0.1g, and acceleration duration >=650ms;
(2) the 3-axis acceleration value all≤0.36g, and the equal duration >=650ms of 3-axis acceleration;
(3) the equal duration >=650ms of 3-axis acceleration vector≤0.3g, and 3-axis acceleration;
(4) be no more than 100ms interval time and produce individual axis acceleration value≤0.1g continuous 3 times, and acceleration duration >=300ms;
(5) be no more than interval time 100ms continuous produce for 3 times the 3-axis acceleration values all≤0.36g, and the equal duration >=300ms of 3-axis acceleration;
(6) be no more than interval time 100ms continuous produce for 3 times accelerations and≤0.3g, and the equal duration >=300ms of 3-axis acceleration;
When at least meeting a protection condition, judge that the rescue personnel needs protection;
Safe condition is that embedded gateway equipment equipment is realized by the safe condition field in configuration information, secure fields, a byte in the frame that the finger embedded gateway sends to central computer, the all the sensors data analysis arranges 0 when normal, if the heart rate detection data analysis is set to 1 while exhausting for rescue personnel's muscle power moderate, be set to 2 while excessively exhausting, pressure sensor detects data and behaves when under pressure and be set to 3, the 3-axis acceleration sensor analysis is set to 4 for the people when falling or roll state, with for distinguishing rescue personnel's different safe conditions.
Step 5: the ARM microprocessor S3C2440 of embedded gateway equipment judges whether the data that arbitrary eTouch piezoelectric film sensor probe of impact detecting sensor module sends are more than or equal to 3000N, be, judge the rescue personnel and need protection, the ARM microprocessor S3C2440 of embedded gateway equipment protects clothes to be protected the rescue personnel by the wireless radio-frequency communication module CC2350 transmission order of embedded gateway equipment to the 4th wireless radio-frequency communication module CC2350 airbag opening of protection module, and rescue personnel's secure state value 3 is sent to central monitoring system, no, embedded gateway equipment continues the data that monitoring impact detecting sensor module sends,
The pressure that the rescue personnel bears is that the corresponding relation between the pressure that utilizes the eTouch piezoelectric film sensor to perceive and the output of its electric charge calculates.The piezoelectric charge coefficients d33 of this and transducer is closely related, when d33 means the power of 1N is vertically acted on to the working sensor district, piezoelectric film sensor produces output valve by charge amplifier, and this output valve is by piezoelectric film sensor piezoelectric charge coefficients d33[pC/N] and the decision of capacitor C [pF] value.In present embodiment, charge amplifier is selected AD820, and electric capacity c selects 100pF, and the voltage output range of charge amplifier is 0-5V, and the formula of charge amplifier output voltage V is:
V=1/C×d33×F
In formula, F is for vertically to put on the active force on piezoelectric film sensor surface, that is, the pressure that the rescue personnel bears, unit is N.
The computing formula that the rescue personnel bears pressure F is:
F=V/(1/C×d33)
Step 6: the ARM microprocessor S3C2440 of embedded gateway equipment is according to rescue personnel's basal heart rate value, rescue personnel's maximum heart rate value and rescue personnel's real-time heart rate data, judgement rescue personnel muscle power depletion state also shows this muscle power depletion state by embedded gateway equipment, and the muscle power that the SIM908 by embedded gateway equipment sends this rescue personnel exhausts that data and physical depletion state are to central monitoring system;
Step 6-1: the ARM microprocessor S3C2440 of embedded gateway equipment periodically calculates rescue personnel's average heart rate value;
Step 6-2: according to rescue personnel's basal heart rate value, maximum heart rate value and average heart rate value, the ARM microprocessor S3C2440 of embedded gateway equipment periodically calculates rescue personnel's muscle power and exhausts and by embedded gateway equipment, this muscle power depletion state shown, and by the SIM908 of embedded gateway equipment, physical depletion state and muscle power is exhausted to data send to central monitoring system;
Rescue personnel's muscle power exhausts being the difference of rescue personnel's average heart rate value and its basal heart rate value quotient after divided by the difference of this rescue personnel's maximum heart rate value and its basal heart rate.
Rescue personnel's muscle power depletion state standard:
(1) 0.5≤rescue personnel muscle power exhausts<0.8, is that moderate muscle power is exhausted, safe condition is 1;
(2) rescue personnel's muscle power exhausts >=0.8, is that excessively muscle power is exhausted, safe condition is 2.
In present embodiment, the muscle power of the ARM microprocessor S3C2440 of embedded gateway equipment in calculating once nearest 5 hours of rescue personnel in 30 minutes is exhausted situation, and the heart rate detection less than is in the time of 5 hours, and not enough part replaces with basal heart rate.
Step 7: central monitoring system is exhausted data according to each rescue personnel's of rescue personnel's Back ground Information and reception muscle power, calculates the average physical exhaustion situation of each rescue team;
The average muscle power of rescue team is exhausted for the muscle power exhaustion of all rescue personnels in rescue team is numerical value and quotient that remove the number of this rescue team.
The average physical depletion state standard of rescue team:
(1) the average muscle power of group exhausts<0.5, is full of physical strength;
The average muscle power of (2) 0.5≤groups exhausts<0.8, is that moderate muscle power is exhausted, safe condition is 1;
(3) the average muscle power of group exhausts >=0.8, is that excessively muscle power is exhausted, safe condition is 2.
Step 8: the rescue personnel's that central monitoring system will send from the SIM908 of embedded gateway equipment Back ground Information, locating information, muscle power exhaust that the average physical depletion state of the rescue team of data and safe condition data and calculating gained shows.
The central monitoring system form of map interface intuitively exhausts that by rescue personnel's Back ground Information, locating information, muscle power the average physical depletion state of the rescue team of data and safe condition data and calculating gained shows.
Central monitoring system can arrange safe condition color and security alarm, and demonstrates the average physical exhaustion information of rescue personnel's positional information and rescue team, and these all can be for the managing personnel as commanding and the reference information of dispatching.
Claims (6)
1. the rescue personnel's security protection supervisory control system based on Internet of Things, is characterized in that: comprising: central monitoring system and rescue personnel's terminal equipment;
Described central monitoring system comprises computer and short message communication module, and the short message communication module is connected with serial ports of computers;
Described rescue personnel's terminal equipment comprises embedded gateway equipment, position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly, protection module, air bag for protection clothes and energy supply module;
Described air bag for protection clothes are dressed by the rescue personnel;
Described embedded gateway equipment is carried by the rescue personnel, and this equipment comprises arm processor, GPS locating module, program storage, sdram memory, SD memory interface, LCD display, energy supply module, GPRS wireless communication module and wireless radio-frequency communication module; GPS locating module, program storage, sdram memory, SD memory interface, LCD display, GPRS wireless communication module and wireless radio-frequency communication module all are connected with the I/O port of arm processor;
Described position state detection sensor module is fixed in the waistband of air bag for protection clothes;
Described impact detecting sensor module has a plurality of sensor probes, and the sensor probe distributing installation is in the body trunk position of air bag for protection clothes;
Two end of probe of described heart rate detection sensor assembly are arranged on two wrist location of air bag for protection clothes;
Described protection module is connected with the electromagnetically operated valve of the gas tank of air bag for protection clothes;
Each output of described energy supply module connects respectively position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly and protection module;
Described position state detection sensor module, impact detecting sensor module, heart rate detection sensor assembly and protection module carry out exchanges data by wireless radio-frequency communication module and embedded gateway equipment respectively;
Described rescue personnel's terminal equipment passes through GPRS wireless communication module accessing Internet, and then communicates by the Internet and central monitoring system.
2. the rescue personnel's supervisory control system based on Internet of Things according to claim 1, it is characterized in that: described central monitoring system is used for receiving the data from embedded gateway equipment by the Internet, the rescue personnel is carried out to identification, track and localization, safe condition monitoring, the depletion state monitoring of rescue personnel's muscle power and rescue team's muscle power exhaustion data and process.
3. the rescue personnel's supervisory control system based on Internet of Things according to claim 1 is characterized in that: described short message communication module is for being sent to the IP address of computer the GPRS wireless communication module of embedded gateway equipment.
4. the rescue personnel's supervisory control system based on Internet of Things according to claim 1; it is characterized in that: described rescue personnel's terminal equipment is detected for position state, impact events and the heart rate to the rescue personnel, and judges whether that according to the data that detect the gas tank of airbag opening protection clothes carries out security protection to the rescue personnel.
5. the rescue personnel's supervisory control system based on Internet of Things according to claim 1 is characterized in that: described protection module is for the opening and closing of the electromagnetically operated valve of the gas tank of controlling the air bag for protection clothes.
6. the method that adopts the rescue personnel's security protection supervisory control system based on Internet of Things claimed in claim 1 to carry out security protection to the rescue personnel, is characterized in that: comprise the steps:
Step 1: set rescue personnel's Back ground Information in embedded gateway equipment and computer, Back ground Information comprises rescue personnel's identity information and affiliated group information; Set rescue personnel's position status safety reference value, each position pressurized secure reference value of body trunk of rescue personnel, rescue personnel's basal heart rate value and rescue personnel's maximum heart rate value in embedded gateway equipment;
Heart rate value when the basal heart rate value is rescue personnel's peace and quiet; Rescue personnel's maximum heart rate value is 220 to deduct the numerical value after its age;
Step 2: position state detection sensor module, impact detecting sensor module and heart rate detection sensor assembly be Real-time Collection rescue personnel's position status data, rescue personnel's body trunk multiple location pressurized data and rescue personnel's heart rate data respectively, and all sends these data to embedded gateway equipment;
Step 2-1: position state detection sensor module Real-time Collection rescue personnel's position status data, i.e. position accekeration and position acceleration duration, and all send these data to embedded gateway equipment;
Step 2-2: the pressurized data of impact detecting sensor module Real-time Collection rescue personnel's body trunk multiple location, and all send these data to embedded gateway equipment;
Step 2-3: heart rate detection sensor assembly Real-time Collection rescue personnel's heart rate, and send this rescue personnel's real-time heart rate value to embedded gateway equipment;
Step 3: embedded gateway equipment is according to the rescue personnel's who receives in real time position status data, and the 3-axis acceleration value, calculate the 3-axis acceleration vector;
Step 4: according to rescue personnel's position status safety reference value and protection condition judgment rescue personnel, whether need protection, be, embedded gateway equipment sends to order and protects convinced tank to carry out security protection to the rescue personnel to the protection module airbag opening, and rescue personnel's current safe state is sent to central monitoring system, no, embedded gateway equipment continues the data that monitoring position state detection sensor module sends;
Described protection condition is as follows:
(1) individual axis acceleration value≤0.1g, and acceleration duration >=650ms, wherein g is acceleration of gravity;
(2) the 3-axis acceleration value all≤0.36g, and the equal duration >=650ms of 3-axis acceleration;
(3) the equal duration >=650ms of 3-axis acceleration vector≤0.3g, and 3-axis acceleration;
(4) be no more than 100ms interval time and produce individual axis acceleration value≤0.1g continuous 3 times, and acceleration duration >=300ms;
(5) be no more than interval time 100ms continuous produce for 3 times the 3-axis acceleration values all≤0.36g, and the equal duration >=300ms of 3-axis acceleration;
(6) be no more than interval time 100ms continuous produce for 3 times accelerations and≤0.3g, and the equal duration >=300ms of 3-axis acceleration;
When at least meeting a protection condition, judge that the rescue personnel needs protection;
Step 5: embedded gateway equipment judges whether the pressurized data that arbitrary sensor probe of impact detecting sensor module sends are more than or equal to 3000N, be, judge the rescue personnel and need protection, embedded gateway equipment sends order and protects convinced tank to be protected the rescue personnel to the protection module airbag opening, and current safe condition sends to central monitoring system by this rescue personnel, no, embedded gateway equipment continues the pressurized data that monitoring impact detecting sensor module sends;
Step 6: the muscle power that embedded gateway equipment obtains the rescue personnel according to rescue personnel's basal heart rate value, rescue personnel's maximum heart rate value and rescue personnel's real-time heart rate data exhausts that Data Concurrent gives central monitoring system, and judgement rescue personnel muscle power depletion state send to central monitoring system;
Step 6-1: embedded gateway equipment periodic calculating rescue personnel's average heart rate value;
Step 6-2: according to rescue personnel's basal heart rate value, maximum heart rate value and average heart rate value, embedded gateway equipment periodic calculating rescue personnel's muscle power is exhausted and physical depletion state and muscle power is exhausted to data send to central monitoring system;
Rescue personnel's muscle power exhausts being the difference of rescue personnel's average heart rate value and its basal heart rate value quotient after divided by the difference of this rescue personnel's maximum heart rate value and its basal heart rate;
Rescue personnel's muscle power depletion state standard:
(1) 0.5≤rescue personnel muscle power exhausts<0.8, is that moderate muscle power is exhausted;
(2) rescue personnel's muscle power exhausts >=0.8, is that excessively muscle power is exhausted;
Step 7: central monitoring system is exhausted data according to each rescue personnel's of rescue personnel's Back ground Information and reception muscle power, calculates the average physical exhaustion situation of each rescue team;
The average muscle power of rescue team exhausts being the quotient of the muscle power exhaustion numerical value sum of all rescue personnels in rescue team divided by this rescue team's sum;
The average physical depletion state standard of rescue team:
(1) the average muscle power of group exhausts<0.5, is full of physical strength;
The average muscle power of (2) 0.5≤groups exhausts<0.8, is that moderate muscle power is exhausted;
(3) the average muscle power of group exhausts >=0.8, is that excessively muscle power is exhausted;
Step 8: rescue personnel's Back ground Information that central monitoring system will send from embedded gateway equipment, locating information, muscle power exhaust that the average physical depletion state of the rescue team of data and safe condition and calculating gained shows.
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Application publication date: 20140108 |