CN203276477U - Life information rescue generator - Google Patents
Life information rescue generator Download PDFInfo
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- CN203276477U CN203276477U CN 201320196814 CN201320196814U CN203276477U CN 203276477 U CN203276477 U CN 203276477U CN 201320196814 CN201320196814 CN 201320196814 CN 201320196814 U CN201320196814 U CN 201320196814U CN 203276477 U CN203276477 U CN 203276477U
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- pulse
- alarm
- control circuit
- transmitter
- rescue
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Abstract
A life information rescue generator is characterized by comprising a power supply, an FM transmitter, a control circuit audible alarm, a loudspeaker and a pulse alarm. The power supply powers the FM transmitter, the control circuit audible alarm and the pulse alarm. The control circuit audible alarm and the pulse alarm are connected with the loudspeaker which is connected with the FM transmitter. An automatic change-over switch is arranged between the control circuit audible alarm and the pulse alarm. By the adoption of the life information rescue generator, rescue workers can position accurately so as to raise search-and-rescue success rate. Meanwhile, the product has advantages of small volume, low power consumption, high security, high reliability, low production cost, strong practicality and the like, and is applicable to be widely popularized and used.
Description
Technical field
The utility model relates to the device that calling system sends out a signal for help, especially can be in earthquake or mine disaster owner be in the life-information emergency generator of hazardous environment.
Background technology
At present, in known earthquake, mine disaster rescue, Bian seeks the victim with the rescue worker, and search and rescue are to come detection mode, wrecked people position, location by various instruments, and limitation is large, and accuracy is little, and the rescue worker seeks the victim, and method is single, and the search and rescue success ratio is little.
Summary of the invention
In order to overcome existing instrument detection mode, the wrecked people position, location of adopting, limitation is large, accuracy is little, the deficiency of succouring, the utility model provide a kind of life-information emergency generator, and this life-information emergency generator can send out a signal for help for the victim.The rescue worker is connect herd after signal can accurate positioning, improves and searches and rescues success ratio.
Technical scheme
The technical scheme that the utility model adopts to achieve these goals is: a kind of life-information emergency generator, it is characterized in that comprising power supply, FM transmitter, control circuit voice guard, loudspeaker, pulse alarm, described power supply is FM transmitter, control circuit voice guard, the power supply of pulse alarm, described control circuit voice guard is connected loudspeaker with the pulse alarm, loudspeaker connects the FM transmitter, is provided with automatic change between control circuit voice guard and pulse alarm.
Life-information emergency generator described in novel according to this is characterized in that described pulse alarm comprises infrared pulse transducer, prime amplifier, active filter, voltage comparator, frequency multiplier, warning circuit.
Life-information emergency generator described in novel according to this is characterized in that described infrared pulse transducer is the infrared pulse transducer of HKG-07A.
The utility model can provide three kinds of type of alarms: the first, utilize warning system to send out a signal for help; The second, utilizing calling system to pass through FM(87---108MHz) transmitter sends out a signal for help; Three, utilize the pulse warning system to send out a signal for help.
FM transmitter in the utility model is mainly to complete owner to send out a signal for help with sound, launches with the form of FM ripple, and alerting signal (comprising the pulse alerting signal) is also together launched simultaneously; Warning system, when owner can't call for help with sound, directly the trigger alarm system switching, sent alerting signal (a part of alerting signal is directly reported to the police to the external world with form of sound, and a part of alerting signal is launched with the form of FM ripple); The pulse alarm, owner can not talk, hand can not move, and this moment, the pulse alarm was connected automatically, sent alerting signal (a part of alerting signal is directly reported to the police to the external world with form of sound, and a part of alerting signal is launched with the form of FM ripple).
The utility model can make the accurate positioning of rescue worker's energy, improves and searches and rescues success ratio, and the victim can call for help by several method; Simultaneously whole small product size is little, and power consumption is low, has high security, high reliability, low cost of manufacture, the advantage such as practical, is fit to promote the use of widely.
Description of drawings
Fig. 1 is the utility model structured flowchart
Fig. 2 is FM transmitter circuitry figure
Fig. 3 is control circuit voice guard circuit diagram
Fig. 4 is pulse alarm circuit block scheme
Fig. 5 is preamplifier circuit figure
Fig. 6 is active filter circuit figure
Fig. 7 is voltage comparator circuit figure
Fig. 8 is the frequency multiplier circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further, but the utility model is not limited in following embodiment.
As shown in Figure 1: a kind of life-information emergency generator, it is characterized in that comprising power supply, FM transmitter, control circuit voice guard, loudspeaker, pulse alarm, described power supply is FM transmitter, control circuit voice guard, the power supply of pulse alarm, described control circuit voice guard is connected loudspeaker with the pulse alarm, loudspeaker connects the FM transmitter, is provided with automatic change between control circuit voice guard and pulse alarm.
As shown in Figure 2, the circuit theory diagrams of FM transmitter, this modulating emission circuit, degree of modulation is dark, does not produce amplitude modulation(PAM), and distortion is little, and transmission range is far away, working stability.Transmitting range can reach more than 1000 meters.Frequency range is 88-108MHz, and Electret condenser microphone picks up the sound signal of owner or warning, and Q1 modulates high frequency carrier after sound signal or alerting signal are amplified again, and R2, R3 are the biasing resistors of Q1.Q2 is the radio-frequency transmissions dedicated pipe, and its Icm is 45mA, and cutoff frequency is greater than 1.3G, and Vceo is 13V.The advantage of dedicated pipe is exactly high conformity, and radio frequency power output is larger, and circuit is easily adjusted.L2 in circuit elongates to 0.8cm around 5 circle tread flakings on the drill bit of φ 5.1mm with the enameled wire of φ 1.0mm, is used for adjusting transmission frequency, and C3-C8 can use the high frequency Leaded Ceramic Disc Capacitor.C1 is power filtering capacitor, and L1 is filter inductance, and R1 is the biasing resistor of Electret condenser microphone, and C2 is coupling capacitance.Q2 is the radio-frequency transmissions dedicated pipe, consists of high-frequency oscillating circuits together with C4, C5, C6, C7, L2, and frequency range is 87---108MHz.
Fig. 3 is control circuit voice guard circuit diagram, is used for the control circuit audible alarm.Wherein C8, C9 electric capacity, the X1 crystal oscillator consists of oscillatory circuit, and frequency is 12MHz.R7 is resistance, and the SW1 switch is used for switching pulse alarm and control circuit voice guard, and above-mentioned R7, C10 consist of reset circuit; The R7 pull-up resistor.AT89C2051 is single-chip microcomputer, and the circuit core parts utilize programming to control audible alarm.LS2 is loudspeaker, produces alarm sound.Programming language is the C language.
Fig. 4 is pulse alarm circuit block scheme, is comprised of infrared pulse transducer, prime amplifier, active filter, voltage comparator, frequency multiplier, warning circuit six parts, mainly completes pulse signal and reports to the police.
Sensor in the utility model has adopted the infrared electro converter, and effect is the blood vessels mobility status by Infrared irradiation people's finger, and beat pulse is converted to electric signal.
Fig. 5 is preamplifier circuit figure, because the sensor output resistance is higher, therefore amplifying circuit has adopted in-phase amplifier, mainly completes the amplification of pulse signal.R9, C11 are the negative feedbacks that consists of amplifier LM324, play stable enlargement factor, and R8 determines the feedback quantity of amplifier together with R9.
Fig. 6 is active filter circuit figure, has adopted the second order active low-pass filter circuit, and effect is that the high frequency interference composition in pulse signal is removed, and simultaneously pulse signal is amplified.Consider the interference spike pulse of removing in pulse signal, so the cutoff frequency of active filter circuit is the lKHz left and right.In order to make pulse signal be amplified to the required magnitude of voltage of shaping circuit, voltage amplification factor is selected 1.6 times of left and right usually.
Fig. 7 is voltage comparator circuit figure, be still irregular pulse signal through the pulse signal after amplification filtering, and low-frequency disturbance is arranged, still do not satisfy the requirement of counter, must adopt shaping circuit, here selected voltage comparator, its objective is that integrated transporting discharging has adopted LM339 in order to improve antijamming capability, its circuit parameter is as follows: R14=5.1K Ω, R18=100K Ω, R16=5.1k Ω.
Fig. 8 is the frequency multiplier circuit diagram, and the effect of this circuit is that the pulse signal after the amplification shaping is carried out 4 frequencys multiplication, and purpose shortens Measuring Time, to improve warning efficient.Frequency multiplier circuit adopts the XOR gate frequency multiplier, utilizes when input is become " 1 " or become " 0 " by " 1 " by " 0 ", all can produce pulse output to second XOR gate generation effect the time delay of the-individual XOR gate.The effect of capacitor C is in order to increase time delay, thereby strengthens output pulse width.Select C14=C15=0.047/uF according to experimental result, R19=R20=16k Ω.Just consisted of quadruplicated frequency circuit by two two frequency multiplier circuits.Wherein XOR gate has been selected CC4070.
During production, assemble sequence is, first circuit board is fixed on front panel, and energising is debugged, debug complete after, cover bonnet, with four screws fixedly protecgulum and bonnet, load onto battery, cover battery cover, machine debugging assembles complete.
This product has following characteristics: power consumption technology, and owing to adopting powered battery, when static state, average current should remain on about 20 μ A, and like this, generally can reach more than 1 year the serviceable lifes of No. 5 alkaline batteries of 4 joints; Safety and reliability, the reliability of life-information distress system is also extremely important.We improve the combined reliability of system from hardware design, Software for Design aspect; High safety, high reliability, good and cheap, practical.
Claims (3)
1. life-information emergency generator, it is characterized in that comprising power supply, FM transmitter, control circuit voice guard, loudspeaker, pulse alarm, described power supply is FM transmitter, control circuit voice guard, the power supply of pulse alarm, described control circuit voice guard is connected loudspeaker with the pulse alarm, loudspeaker connects the FM transmitter, is provided with automatic change between control circuit voice guard and pulse alarm.
2. life-information emergency generator according to claim 1, is characterized in that described pulse alarm comprises infrared pulse transducer, prime amplifier, active filter, voltage comparator, frequency multiplier, warning circuit.
3. life-information emergency generator according to claim 2, is characterized in that described infrared pulse transducer is the infrared pulse transducer of HKG-07A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196814 CN203276477U (en) | 2013-04-18 | 2013-04-18 | Life information rescue generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196814 CN203276477U (en) | 2013-04-18 | 2013-04-18 | Life information rescue generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203276477U true CN203276477U (en) | 2013-11-06 |
Family
ID=49506842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320196814 Expired - Fee Related CN203276477U (en) | 2013-04-18 | 2013-04-18 | Life information rescue generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203276477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261167A (en) * | 2015-09-01 | 2016-01-20 | 广东工业大学 | Outdoor help-seeking clothing |
| CN107693045A (en) * | 2017-09-28 | 2018-02-16 | 崔林 | A kind of internal medicine auscultation equipment |
-
2013
- 2013-04-18 CN CN 201320196814 patent/CN203276477U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261167A (en) * | 2015-09-01 | 2016-01-20 | 广东工业大学 | Outdoor help-seeking clothing |
| CN107693045A (en) * | 2017-09-28 | 2018-02-16 | 崔林 | A kind of internal medicine auscultation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131106 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |