CN203191569U - Active life detector for earthquakes - Google Patents

Active life detector for earthquakes Download PDF

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Publication number
CN203191569U
CN203191569U CN 201320131098 CN201320131098U CN203191569U CN 203191569 U CN203191569 U CN 203191569U CN 201320131098 CN201320131098 CN 201320131098 CN 201320131098 U CN201320131098 U CN 201320131098U CN 203191569 U CN203191569 U CN 203191569U
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CN
China
Prior art keywords
module
active life
detection instrument
power
earthquake calamity
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Expired - Fee Related
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CN 201320131098
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Chinese (zh)
Inventor
王冠凌
杨骏
徐顶
顾梅
吴玉珏
文东方
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Anhui Polytechnic University
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Anhui Polytechnic University
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Priority to CN 201320131098 priority Critical patent/CN203191569U/en
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Publication of CN203191569U publication Critical patent/CN203191569U/en
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Abstract

The utility model relates to an active life detector for earthquakes. The active life detector comprises a CPU module, and a lithium battery, an acceleration sensor module, an infrared human body sensing unit, an audio power amplification module and a ZigBee wireless module which are connected with the CPU module. The acceleration sensor module is used for detecting an earthquake signal and starting the CPU module when an earthquake signal is detected; the CPU module is used for starting the infrared human body sensing unit to detect an environmental signal and controlling the audio power amplification module or the ZigBee wireless module to alarm when a human body signal is detected; and the lithium battery is used for providing working power. The device is simple in structure and easy to implement and maintain.

Description

The active life-detection instrument of earthquake calamity
Technical field
The utility model relates to life-detection instrument, relates in particular to the active life-detection instrument of a kind of earthquake calamity.
Background technology
The life-detection instrument that comes into operation both at home and abroad at present mainly contains four kinds: optical type, audio frequency and video type, infrared type and radar type.
Be similar to the medical optical fibrescope as optical type, by illumination, camera lens is watched the situation under the ruins, and by fibre bundle image is passed back, so as to finding to be buried in the people below the ruins.This equipment volume is little, easy to use, but detection range is short. and under the seamless situation in ruins, can't use.
As Chinese patent 201020644192.7, a kind of audio/video life-detection instrument is provided, by setting up bidirectional audio communication and two-way video between front end assemblies and the rear end control enclosure, it is on-the-spot near stranded survivor telescopic probe need to be extend into disaster, be subjected to its effective space exploration scopes of effects limit such as probe diameter size, feeler lever length, simultaneously this instrument requires to use under more quiet environment and could obtain good signal to noise ratio (S/N ratio).
As Chinese patent 201020196460.3, provide a kind of earthquake calamity with portable infrared thermal releasing life-detection instrument, but penetrate the body of wall difficulty, be difficult for finding the survivor.
As Chinese patent 201120366422.2, a kind of radar life-detector is provided, respiratory movement or movement by the test person of being detected come work, when reality was rescued, the not clear situation under the ruins and on-the-spot various interference made whether differentiation exists extremely faint life-information very difficult.
Simultaneously, all be that passivity is searched with upper type, stranded survivor can not initiatively report to the police, and particularly lies in a comatose condition, stranded survivor's signal too a little less than, be difficult for being detected.
Summary of the invention
At above deficiency, the utility model provides a kind of earthquake calamity that can initiatively report to the police active life-detection instrument.
For achieving the above object, the technical solution adopted in the utility model is: the active life-detection instrument of a kind of earthquake calamity is characterized in that: comprise CPU module and the lithium battery that is connected with described CPU module, acceleration sensor module, human-body infrared sensing unit, audio frequency power amplifier module, ZigBee wireless module;
Described acceleration sensor module starts described CPU module for detection of seismic signal and when detecting seismic signal, described CPU module starts described human-body infrared sensing unit testing environment signal and controlling the warning of described audio frequency power amplifier module or ZigBee wireless module when detecting human body signal, and described lithium battery is used for providing working power.
First preferred version of the present utility model is that described lithium battery is connected with the CPU module by first power module, second source module, the 3rd power module and the 4th power module.
Second preferred version of the present utility model is that described first power module is connected with described human-body infrared sensing unit.
The 3rd preferred version of the present utility model is that described second source module is connected with described acceleration sensor module.
The 4th preferred version of the present utility model is that described the 3rd power module is connected with described audio frequency power amplifier module.
The 5th preferred version of the present utility model is that described the 4th power module is connected with described ZigBee wireless module.
The 6th preferred version of the present utility model is that described CPU module comprises the MSP430G2353 of TI
The 7th preferred version of the present utility model is that described acceleration sensor module is the ADXL362 of ANALOG.
The 8th preferred version of the present utility model is that described ZigBee wireless module is the embedded Zigbee wireless data transmission module of the SZ05-ADV of Shanghai Shun Zhou science and technology.
The 9th preferred version of the present utility model is that described human-body infrared sensing unit adopts the RE200B of Shenzhen Pu En Science and Technology Ltd..
Technical advantage of the present utility model is:
1), this device by acceleration sensor module can active probe the generation of earthquake, improve the earthquake accuracy.
2), this device by the human-body infrared sensing device by in time to the sign of life on every side.
3), this device is by the acceleration sensor module threshold alarm and wake the CPU module up, audio frequency power amplifier module, wireless power amplifier module and human-body infrared sensing device turn-offs simultaneously, make equipment standby for a long time, CPU module low-voltage alarm simultaneously can be reminded the charging of battery is reminded;
4), the sound power amplifier of this device by high frequency report to the police and wireless remote alarms, penetration capacity is further strengthened.
5), this apparatus structure is simple, easy to implement, be easy to safeguard.
Description of drawings
Fig. 1 for the present embodiment earthquake calamity with active life-detection instrument structured flowchart.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is made a detailed description.
With reference to figure 1, the active life-detection instrument of a kind of earthquake calamity comprises CPU module and the lithium battery that is connected with the CPU module, acceleration sensor module, human-body infrared sensing unit, audio frequency power amplifier module, ZigBee wireless module; Acceleration sensor module starts the CPU module for detection of seismic signal and when detecting seismic signal, the CPU module starts human-body infrared sensing unit testing environment signal and reports to the police at control audio frequency power amplifier module or ZigBee wireless module when detecting human body signal, and lithium battery is used for providing working power.
Lithium battery is connected with the CPU module by first power module, second source module, the 3rd power module and the 4th power module.First power module is connected with the human-body infrared sensing unit.The second source module is connected with acceleration sensor module.The 3rd power module is connected with audio frequency power amplifier module.The 4th power module is connected with the ZigBee wireless module.
The SPI interface of acceleration sensor module is connected with the CPU module, and acceleration transducer INT2 is connected with the outer interruption 1 of described CPU module, is used for waking up the CPU module; First, second, third and fourth power module is connected with the CPU module respectively, the shutdown function of the above-mentioned power module of CPU module controls;
System provides described acceleration sensor module, CPU modular power source by lithium battery power supply by the second source module; First power module provides and described human-body infrared sensing unit power supply; The 4th power module provides and described ZigBee wireless module power supply; The 3rd power module provides the working power with audio frequency power amplifier module;
The CPU module comprises the MSP430G2353 of TI, and super low-power consumption MCU wakes up from standby mode within 1 μ s supper-fastly, 0.4 μ A standby mode, and operational mode 230 μ A include undervoltage detector, can set the battery under-voltage value;
Acceleration sensor module is the ADXL362 of ANALOG, and ADXL362 is a super low-power consumption, 3 mems accelerometers, and power consumption was lower than 2 μ A when output data rate was 100Hz, and power consumption is 270nA under the motion triggers awakening mode.ADXL362 provides 12 output resolution ratios; A built-in little power consumption temperature sensor can be realized compensating of temperature.Measurement range is ± 2g, ± 4g and ± 8g, the resolution the in ± 2g scope is 1mg/LSB.
The ZigBee wireless module is the embedded Zigbee wireless data transmission module of the SZ05-ADV of Shanghai Shun Zhou science and technology, with described CPU module serial communication.Peak point current is 250mA, emissive power 25dBm.
The human-body infrared sensing unit adopts the RE200B of double base pyroelectric infrared sensor Shenzhen Pu En Science and Technology Ltd..
State audio frequency power amplifier module and have the shutdown function, further select the 7.5W audio-frequency power amplifier LM4950 with shutdown mode of TI, its stand-by power consumption is 20 μ A.
First power module, second source module are all selected the synchronous DC/DC converter of the 200mA buck-boost type LTC3531 of linear, ultralow quiescent current: 16uA, shut down electric current<1 μ A, the 3.3V voltage of acceleration sensor module, CPU modular power source is provided, human-body infrared sensing unit 5V voltage is provided; Described DCDC power module 3 is selected the synchronous DC/DC converter of the 600mA buck-boost type LTC3440 of linear, and ultralow quiescent current: 25uA shuts down electric current<1 μ A, and wireless module voltage is provided; First power module is selected the boost DC/DC power module of the LM2700Q of TI, and shutting down electric current is 5 μ A, and audio frequency power amplifier module 12V is provided voltage.
The following description of this device workflow, after this device powered on, the CPU module was sent control signal 0, controlled first power module and entered shutdown mode, and the human-body infrared sensing unit does not power; The CPU module is sent control signal 0, controls the 3rd power module and enters shutdown mode, and the ZigBee wireless module is not powered; The CPU module is sent control signal 0, controls the 4th power module and enters shutdown mode, and audio frequency power amplifier module is not powered; CPU initialization acceleration transducer, acceleration transducer is awakening mode, and threshold values is set, per second is measured acceleration figure for 6 times to determine whether to exist motion,, as not surpassing, namely static, acceleration transducer work in the system at this moment, and be awakening mode, low in energy consumption to 270nA; Interrupt reporting to the police when surpassing threshold values, producing, wake the CPU module up; The CPU module is sent control signal 1, controls first power module and enters mode of operation, and the human-body infrared sensing unit works on power, inquiry life source; If any; The CPU module is sent control signal 1, controls the 4th power module and enters mode of operation, and the ZigBee wireless module works on power, and sends about 1 second of distress call; The CPU module is sent control signal 0, controls the 3rd power module and enters shutdown mode, ZigBee wireless module dump; The CPU module is sent control signal 1 simultaneously, controls the 3rd power module and enters mode of operation, and audio frequency power amplifier module works on power, and sends about 1 second of distress call; The CPU module is sent control signal 0, enters shutdown mode, and the audio frequency power amplifier module dump so goes round and begins again.As the searching personnel, hearing has sound of call for help or by the radio detection distress call, in time rescues the survivor under the ruins.
Protection scope of the present invention is not limited to the scope that embodiment explains, and all belong in protection scope of the present invention based on the change of inventive concept.

Claims (10)

1. the active life-detection instrument of earthquake calamity is characterized in that: comprise CPU module and the lithium battery that is connected with described CPU module, acceleration sensor module, human-body infrared sensing unit, audio frequency power amplifier module, ZigBee wireless module;
Described acceleration sensor module starts described CPU module for detection of seismic signal and when detecting seismic signal, described CPU module starts described human-body infrared sensing unit testing environment signal and controlling the warning of described audio frequency power amplifier module or ZigBee wireless module when detecting human body signal, and described lithium battery is used for providing working power.
2. according to the active life-detection instrument of the described earthquake calamity of claim 1, it is characterized in that: described lithium battery is connected with the CPU module by first power module, second source module, the 3rd power module and the 4th power module.
3. according to the active life-detection instrument of the described earthquake calamity of claim 2, it is characterized in that: described first power module is connected with described human-body infrared sensing unit.
4. according to the active life-detection instrument of the described earthquake calamity of claim 2, it is characterized in that: described second source module is connected with described acceleration sensor module.
5. according to the active life-detection instrument of the described earthquake calamity of claim 2, it is characterized in that: described the 3rd power module is connected with described audio frequency power amplifier module.
6. according to the active life-detection instrument of the described earthquake calamity of claim 2, it is characterized in that: described the 4th power module is connected with described ZigBee wireless module.
7. according to the active life-detection instrument of the described earthquake calamity of claim 1, it is characterized in that: described CPU module comprises the MSP430G2353 of TI
8. according to the active life-detection instrument of the described earthquake calamity of claim 1, it is characterized in that: described acceleration sensor module is the ADXL362 of ANALOG.
9. according to the active life-detection instrument of the described earthquake calamity of claim 1, it is characterized in that: described ZigBee wireless module is the embedded Zigbee wireless data transmission module of the SZ05-ADV of Shanghai Shun Zhou science and technology.
10. according to the active life-detection instrument of the described earthquake calamity of claim 1, it is characterized in that: described human-body infrared sensing unit adopts the RE200B of Shenzhen Pu En Science and Technology Ltd..
CN 201320131098 2013-03-13 2013-03-13 Active life detector for earthquakes Expired - Fee Related CN203191569U (en)

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Application Number Priority Date Filing Date Title
CN 201320131098 CN203191569U (en) 2013-03-13 2013-03-13 Active life detector for earthquakes

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103217722A (en) * 2013-03-13 2013-07-24 安徽工程大学 Active type life detection instrument for seismic hazard
CN104965430A (en) * 2015-06-29 2015-10-07 广州杰赛科技股份有限公司 Environment detection device, power supply control method thereof and emergency monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103217722A (en) * 2013-03-13 2013-07-24 安徽工程大学 Active type life detection instrument for seismic hazard
CN104965430A (en) * 2015-06-29 2015-10-07 广州杰赛科技股份有限公司 Environment detection device, power supply control method thereof and emergency monitoring system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130911

Termination date: 20140313