CN201108689Y - Multifunctional earthquake emergency system - Google Patents

Abstract

The utility model relates to a multi-functional earthquake urgency system, which provides a multi-functional earthquake urgency system used in earthquakes. The system integrates five articles and devices which are necessary in earthquakes, which integrates essential articles in earthquakes such as torches, radios, and electronic clocks and also integrates a device which can use voice or radio waves for crying for help when urgency happens. The device can adopt voice to cry for help to the search and rescue staff and send out radio signals which can be received by the specialized searching and rescuing equipment of the search and rescue staff so as to locate the position and rescue people when earthquakes happen and people are buried under collapse buildings. The system is a necessary urgency system in earthquakes, which can bring great convenience to people for taking emergency articles in earthquakes, so in the disaster of earthquake, a plurality of measures for crying for help have been added.

Description

Multifunctional earthquake emergency system

Technical field

The utility model belongs to electronics and message area, particularly relates to a kind of multifunctional earthquake emergency system.

Background technology

China is the country that earthquake calamity takes place frequently, and according to the regulation of state's laws, all obligated communication and education of accepting protection against and mitigation of earthquake disasters of each citizen constantly strengthens shockproof consciousness, improves the ability of resisting earthquake disaster.Formally issued the area of earthquake prediction in area, the particularly People's Government that earthquake often takes place, each family all should conscientiously carry out family's defence and prepare under the guidance of local government and relevant department.May earthquake take place the time, the essential article of preparing suitable smart unsuitable many, the earthquake emergency goods and materials are relevant with each national scientific and technological level and people's lives level.With reference to foreign experience and in conjunction with China's national situation, following main article are selected in general thinking for use when earthquake emergency is taken refuge: (1) food and water: solid food (biscuit, bread etc.) and do not seal off, not out of date bottled water.(2) daily life necessity: flashlight for listening to message, wrist-watch or clock for viewing time, also has clothes, articles for daily use, common drug and motor-driven article etc. for illumination, pocket radio set.(3) preferably can have as if having ready conditions in case of emergency can be with the device of sound and radio wave calling for help.

Strengthening the emergent search and rescue of earthquake field, is the effective way that ensures people's life safety, earthquake disaster mitigation.Nowadays, the high buildings and large mansions that build up with reinforcing bar, prefabricated board tower everywhere, and in case will bring very big influence to rescue work after running into violent earthquake and collapsing, in the Tangshan Earthquake that 1976 take place, exactly because lack equipment, make much and failed in time to be found to obtain rescue and cause death by the pile things on the wounded.At present in the earthquake disaster, only rely on existing search and rescue means to be difficult to find the personnel of pile things in the depths, ruins, having in case of emergency can be with the device that sound is called for help and radio wave is called for help, can be when running into violent earthquake and collapse by pile things on, call for help to the rescue worker with sound, also transmitted radio signal allows rescue worker's specialty search and rescue equipment receive and to locate so that succour simultaneously, be sought after the device that has when being earthquake, if the thing flashlight of energy and indispensability, pocket radio set, electronic clock integrates to form an earthquake emergency system, carries emergency article can for people when earthquake and bring a lot of convenience.

In sum, invent a kind of multifunctional earthquake emergency system, it has above-mentioned several function, will effectively strengthen the preparation effect of family defence article, for people's belongings when the earthquake provide convenience.

The utility model content

The purpose of this utility model is to provide a kind of multifunctional earthquake emergency system.For achieving the above object, technical solution of the present utility model is: multifunctional earthquake emergency system, comprise that (1) in case of emergency can call for help with sound is the device that audio frequency is called for help, (2) in case of emergency can call for help with radio wave is the device that radio frequency is called for help, (3) LED torch, (4) FM receiver, (5) liquid crystal display numeral LCD electronic clock.Multifunctional earthquake emergency system is integrated needed five necessary article and device when earthquake, come interim in earthquake, except water and food and clothing, have multifunctional earthquake emergency system, when earthquake, carry emergency article can for people and bring a lot of convenience, be unlikely in case of emergency to omit the article that should carry many again means of several emergency in earthquake calamity.

The beneficial effects of the utility model are: a kind of multifunctional earthquake emergency system that uses when being applicable to earthquake is provided, this system integration when earthquake needed five necessary article and device: it is the both integrated thing flashlight of the indispensability when earthquake, radio, electronic clock, integrated again in case of emergency can call for help and the device of radio wave calling for help with sound, can be when running into violent earthquake and collapse by pile things on, call for help to the rescue worker with sound, also transmitted radio signal allows rescue worker's specialty search and rescue equipment receive and to locate so that succour simultaneously, be sought after the multi-function emergency system that has when being earthquake, when earthquake, carry emergency article can for people and bring a lot of convenience.

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Description of drawings

Accompanying drawing: the utility model multifunctional earthquake emergency system theory diagram.

The specific embodiment

The multifunctional earthquake emergency system theory diagram is seen accompanying drawing: wherein 1 is power supply, 2 is the LCD electronic clock, 3 is the LED torch, and 4 is single-chip microcomputer, and 5 are radio frequency calling for help circuit, 6 is transmitting antenna, 7 are audio frequency calling for help circuit, and 8 is the BTL power amplifier, and 9 is FM receiver, whole system also comprises ganged switch K1K2, button S1S2S3S4 and loudspeaker SP.

Whole system is a core with single-chip microcomputer 4, and LCD electronic clock 2, LED torch 3, radio frequency calling for help 5, audio frequency are called for help 7 and controlled, and has only radio 9 to be independent of outside the single-chip microcomputer.The power supply 1 of whole system adopts two to three joints No. five or No. two alkaline dry batteries power supplies, load onto battery after LCD electronic clock 2 promptly start working, the electronic clock power consumption is very little, but adopts the alkaline dry battery long-term work, controlled by switch; Ganged switch K1K2 is used to control radio and audio frequency, radio frequency are called for help, and has three gears, and the closed condition of the shelves that mediate is at ordinary times then turned on radio toward setting aside, and up dials and then opens audio frequency calling for help and radio frequency calling for help.

Single-chip microcomputer 4 can adopt the cheap EM78P153S or the MSP430F1111A of ultra-micro power consumption, can certainly adopt the single-chip microcomputer of other model, controls LCD driving sea whelk such as HT1621 and LCD LCDs by its and constitutes LCD electronic clock 2.Button S1 is for being provided with, and length is pressed the setting of S1 entry time, presses the S2 timing this moment; In time, mixes up short the accent by S2 again by S1 in back and divides; Divide and to mix up that the back is short to be provided with when entering normally to walk by the S1 concluding time.Button S1 only uses when the time is set, programmable smaller with avoid at ordinary times by mistake by.

Single-chip microcomputer 4 can be controlled the LED driving again and form LED torch 3 to drive high-brightness white-light LED.If use two batteries then LED drive and can adopt independent-excited step-up switching power supply mode, if use three batteries then LED drive and can adopt simple constant-current source mode; normally walk at present long by S2 for opening the LED torch, this moment, single-chip microcomputer was exported driving pulse, by the switching tube driving LED, the LED torch was lighted; When torch is lighted, grow by S2 for closing the LED torch.

Ganged switch K1K2 turns on radio 9 when setting aside, radio adopts the monolithic electronic tuning FM receiver of CD9088CB or other model to constitute, S3 is the RESET button, S4 is the SCAN button, using method is identical with ordinary electronic tuning modulation radio, and radio can use not oversize telescopic antenna; Can regulate volume by volume potentiometer when native system is used as radio, and sound by loudspeaker SP.

Ganged switch K1K2 opens audio frequency and calls for help 7 when up dialling, this duration is by then audio frequency calling for help work of S2: single-chip microcomputer is sent the pulse of " ticking-pouts " modified tone, sends the audio frequency distress signal by BTL power amplifier 8 promotion loudspeaker, with the sound prompting rescue worker; When audio frequency calling for help work, long by S2 then audio frequency call for help and quit work; Call for help the mode that can adopt every sound to stop automatically in several seconds several seconds for saving the electric energy audio frequency, for example every sound stopped eight seconds in two seconds, can economize on electricity 80%; For increase power output as far as possible, power amplifier adopts the BTL power amplifier, forms the BTL power amplifier as adopting the integrated double power amplifier of ATA2822 or other monolithic, and SP sounds by loudspeaker.

Ganged switch K1K2 up dials and also opens radio frequency calling for help 5 simultaneously, this moment, single-chip microcomputer was launched a string radiofrequency signal that has coding automatically every tens seconds, the rescue worker uses special supporting portable receiving equipment can receive this radiofrequency signal, and can be located by the sensitivity adjusting knob change range of receiving of receiving equipment, this kind receiving equipment can adopt the portable search and rescue receiving equipment in another patent " earthquake and down-hole trapped personnel search and rescue system " of the inventor, and its number of patent application is 200720007039.1 and 200710008967.4.For strengthening the ability that radio wave penetrates barrier, the radio frequency distress call uses long wave band, and frequency is 50KHz, modulation degree is ± 3KHz, adopt frequency modulation FSK mode, the driving power pipe is also launched oscillator signal by transmitting antenna 6, and transmitting antenna can adopt magnetic antenna; It is 40bit that radio frequency is called for help code length, preceding 16bit is a guidance code, and back 24bit is a card number, total about 1,680 ten thousand codings, but adopt variable baud rate: signal 0 is 2400 baud rates, about 0.42 millisecond of code length, signal 1 is 1200 baud rates, about 0.84 millisecond of code length, every bit changes a phase place, guidance code is a signal 0, and on average about 22 milliseconds of every emission string of code can certainly adopt other coded system; For saving electric energy to prolong launch time, per 10 or 20 seconds emission string of code, the power using time dutycycle was near 1: 500 or 1: 1000, and the actual average power consumption that radio frequency is called for help is very little, needn't use button control again so radio frequency is called for help, work always as long as ganged switch K1K2 just up dials.

Whole multifunctional earthquake emergency system outward appearance owing to have unique audio frequency call device and radio frequency call device, makes it have very practical use value as a radio that has LED torch and LCD electronic clock.

Claims (1)

1. multifunctional earthquake emergency system, it includes:

-one system power supply (1) for system's power supply,

-one shows the LCD electronic clock (2) of time,

-one provides the LED torch (3) of illumination,

-one single-chip microcomputer (4),

-one radio frequency that the radio frequency distress call takes place is called for help circuit (5),

-one emission of radio frequency signals antenna (6),

-one audio frequency that the audio frequency distress call takes place is called for help circuit (7),

-one amplifies the BTL power amplifier (8) of sound signal,

-one FM receiver (9),

-system also comprises ganged switch K1K2, button S1S2 S3S4 and loudspeaker SP.

It is characterized in that: it also comprises a single-chip microcomputer 4, and whole system is a core with single-chip microcomputer (4), and torch, electronic clock, audio frequency calling for help, radio frequency are called for help and controlled.

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