CN201331824Y - Earth-quake alarm - Google Patents
Earth-quake alarm Download PDFInfo
- Publication number
- CN201331824Y CN201331824Y CNU2009200180047U CN200920018004U CN201331824Y CN 201331824 Y CN201331824 Y CN 201331824Y CN U2009200180047 U CNU2009200180047 U CN U2009200180047U CN 200920018004 U CN200920018004 U CN 200920018004U CN 201331824 Y CN201331824 Y CN 201331824Y
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- Prior art keywords
- pin
- circuit
- switch
- resistance
- diode
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Abstract
The utility model relates to the alarm filed, in particularly, provides an earth-quake alarm. The earth-quake is composed of an electrical source, a vibration detector, a trigger circuit, a phonate alarm circuit and a light bulb. The vibration detector connects with the phonate alarm circuit and the light bulb through the trigger circuit; the vibration detector is composed of a magnet, a rubber band and a magnetic-controlled switch K1, the magnetic is hung on upper side of the magnetic-controlled switch K1. Comparing with the present technology, the earthquake alarm has characteristics of high sensitivity which can detect longitudinal wave spreading abroad and alarm in-time and accurately.
Description
Technical field
The utility model relates to the precaution device field, and a kind of earthquake Alarm specifically is provided.
Background technology
Earthquake is one of modal disaster.Because prior art is difficult to predict accurately time, place and intensity that earthquake takes place, so people's life all can be subjected to serious threat when each earthquake takes place, especially at night, people miss the chance of A Man Escaped especially easily.
In addition, the earthquake meeting forms two kinds of seismic events, and a kind of is compressional wave, and it is propagated with prestissimo from focus, accompanies by overcast " rumbling " sound, and that gives the people feels it is bob, and its destructive power is little; Another kind is a shear wave, claims shearing wave again, and velocity of propagation is slower, give the people feel roll, its destructive power is very big.Because factor affecting such as focus and ground distance, shear wave pass to always late several seconds to tens of the time ratio compressional wave on ground second.
Summary of the invention
Technical assignment of the present utility model is to provide a kind of earthquake Alarm at above-mentioned deficiency of the prior art, and this earthquake Alarm has highly sensitive, can detect the propagation of primary seismic wave timely and accurately and send characteristics such as early warning.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of earthquake Alarm, be characterized in, be made of power supply, vibration detector, trigger circuit, sounding alarm circuit and bulb, vibration detector is connected with bulb with the sounding alarm circuit by trigger circuit; Described vibration detector is by magnet, bungee and magnetic switch K
1Constitute, magnet is suspended on magnetic switch K by bungee
1Upside.
When earthquake, the impact that the magnet in the vibration detector can at first be experienced compressional wave begins to move up and down, at the close magnetic switch K of magnet
1Moment, magnetic switch K
1Closure, trigger circuit work, and then make sounding alarm circuit and bulb get electric work, send audible and visible alarm.
In order to improve the sensitivity of vibration detector, the length of preferred bungee is not less than 6 centimetres (hang up magnet after length).
Described trigger circuit are by resistance R
0, R
1, diode VD
1, unidirectional thyristor VS constitutes diode VD
1, electromagnetism control K switch
1And resistance R
1Be serially connected between the control utmost point and negative electrode of unidirectional thyristor VS, the negative electrode of unidirectional thyristor VS connects power supply G negative pole, passes through K switch behind the anode series bulb
2Connect power supply G positive pole, diode VD
1Cathode series resistance R
0, K switch
2Connect power supply G positive pole.
Described sounding alarm circuit is by the simulated sound integrated circuit (IC)
1, power switch circuit IC
2, loudspeaker B, diode VD
2, capacitor C and resistance R
2, R
3Constitute capacitor C one terminating resistor R
0With K switch
2Between, the other end and simulated sound integrated circuit (IC)
1Vss pin and power switch circuit IC
23 pin be connected resistance R
2With diode VD
2Be serially connected between the two ends of capacitor C the simulated sound integrated circuit (IC)
1Vdd pin and sound collecting end connecting resistance R simultaneously
2With diode VD
2Between, resistance R
3Be serially connected in the simulated sound integrated circuit (IC)
1The osc1 pin and the osc2 pin between, the simulated sound integrated circuit (IC)
1The out pin meet power switch circuit IC
22 pin, power switch circuit IC
21 pin and 5 pin pass through K switch
2Connect power supply G positive pole, loudspeaker B is serially connected in power switch circuit IC
24 pin and 5 pin between.
Earthquake Alarm of the present utility model is compared with prior art has following outstanding beneficial effect:
(1) utilizes in the earthquake seismic wave velocity contrast between the compressional wave and shear wave and the vibrations characteristics of compressional wave to design audible-visual annunciator, can when compressional wave arrives, make sound and light alarm timely, people are reacted as soon as possible, in time hedging before shear wave arrives;
(2) simple in structure, highly sensitive.
Description of drawings
Accompanying drawing 1 is the structured flowchart of the utility model earthquake Alarm;
Accompanying drawing 2 is structural representations of the utility model earthquake Alarm.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
Shown in accompanying drawing 1,2, earthquake Alarm is made of power supply, vibration detector, trigger circuit, sounding alarm circuit and bulb.
Described vibration detector is by magnet 1, bungee 2 and magnetic switch K
1Constitute.Magnet 1 is suspended on magnetic switch K by bungee 2
1Upside.
Described trigger circuit are by resistance R
0, R
1, diode VD
1, unidirectional thyristor VS constitutes diode VD
1, electromagnetism control K switch
1And resistance R
1Be serially connected between the control utmost point and negative electrode of unidirectional thyristor VS, the negative electrode of unidirectional thyristor VS connects power supply G negative pole, passes through K switch behind the anode series bulb
2Connect power supply G positive pole, diode VD
1Cathode series resistance R
0, K switch
2Connect power supply G positive pole.
Described sounding alarm circuit is by the simulated sound integrated circuit (IC)
1, power switch circuit IC
2, loudspeaker B, diode VD
2, capacitor C and resistance R
2, R
3Constitute capacitor C one terminating resistor R
0With K switch
2Between, the other end and simulated sound integrated circuit (IC)
1Vss pin and power switch circuit IC
23 pin be connected resistance R
2With diode VD
2Be serially connected between the two ends of capacitor C the simulated sound integrated circuit (IC)
1Vdd pin and a sound collecting end (SEL1 pin or SEL2 pin) connecting resistance R simultaneously
2With diode VD
2Between, resistance R
3Be serially connected in the simulated sound integrated circuit (IC)
1The osc1 pin and the osc2 pin between, the simulated sound integrated circuit (IC)
1The out pin meet power switch circuit IC
22 pin, power switch circuit IC
21 pin and 5 pin connect capacitor C and resistance R simultaneously
2Between, loudspeaker B is serially connected in power switch circuit IC
24 pin and 5 pin between.
Before the use,, regulate the length of bungee 2, make magnet 1 be positioned at magnetic switch K according to the elasticity of bungee 2 and the weight of magnet 1
1The critical localisation of adhesive for best (when magnet is firm when moving downward, magnetic switch K
1Be adhesive).
At ordinary times, magnetic switch K
1Be in off-state, unidirectional thyristor VS triggerless electric current, bulb HL is not luminous, and loudspeaker B is noiseless.When seismic activity, magnet 1 can at first be experienced the impact of compressional wave, begin to move up and down, at this moment, magnetic switch K
1Adhesive/disconnection.Magnetic switch K
1The moment of adhesive, unidirectional thyristor VS is through resistance R
0, R
1With diode VD
1(unidirectional thyristor VS is once triggering and conducting, and just " self-insurance " conducting state is up to disconnecting power switch K to obtain the trigger current conducting
2).After the unidirectional thyristor VS conducting, the simulated sound integrated circuit (IC)
1, power switch circuit IC
2Get electric work, loudspeaker B promptly sends ear-piercing loud police whistle sound, and owner is waken up from sleep.
The model of employed integrated circuit is respectively in the circuit: IC
1Be KD-9561; IC
1Be TWH8751; Diode VD
1Be the IN4148 type; Unidirectional thyristor VS is the MCR100-1 type; Elements such as other diode, resistance, electric capacity, switch, loudspeaker are the universal electric product.
Above-described embodiment is a more preferably embodiment of the utility model, and common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacement all should be included in the protection domain of the present utility model.
Claims (4)
1, a kind of earthquake Alarm is characterized in that, is made of power supply, vibration detector, trigger circuit, sounding alarm circuit and bulb, and vibration detector is connected with bulb with the sounding alarm circuit by trigger circuit;
Described vibration detector is by magnet, bungee and magnetic switch K
1Constitute, magnet is suspended on magnetic switch K by bungee
1Upside.
2, earthquake Alarm according to claim 1 is characterized in that, the length of bungee is not less than 6 centimetres.
3, earthquake Alarm according to claim 1 is characterized in that, described trigger circuit are by resistance R
0, R
1, diode VD
1, unidirectional thyristor VS constitutes diode VD
1, electromagnetism control K switch
1And resistance R
1Be serially connected between the control utmost point and negative electrode of unidirectional thyristor VS, the negative electrode of unidirectional thyristor VS connects power supply G negative pole, passes through K switch behind the anode series bulb
2Connect power supply G positive pole, diode VD
1Cathode series resistance R
0, K switch
2Connect power supply G positive pole.
4, earthquake Alarm according to claim 1 is characterized in that, described sounding alarm circuit is by the simulated sound integrated circuit (IC)
1, power switch circuit IC
2, loudspeaker B, diode VD
2, capacitor C and resistance R
2, R
3Constitute capacitor C one terminating resistor R
0With K switch
2Between, the other end and simulated sound integrated circuit (IC)
1Vss pin and power switch circuit IC
23 pin be connected resistance R
2With diode VD
2Be serially connected between the two ends of capacitor C the simulated sound integrated circuit (IC)
1Vdd pin and sound collecting end connecting resistance R simultaneously
2With diode VD
2Between, resistance R
3Be serially connected in the simulated sound integrated circuit (IC)
1The osc1 pin and the osc2 pin between, the simulated sound integrated circuit (IC)
1The out pin meet power switch circuit IC
22 pin, power switch circuit IC
21 pin and 5 pin pass through K switch
2Connect power supply G positive pole, loudspeaker B is serially connected in power switch circuit IC
24 pin and 5 pin between.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200180047U CN201331824Y (en) | 2009-01-13 | 2009-01-13 | Earth-quake alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200180047U CN201331824Y (en) | 2009-01-13 | 2009-01-13 | Earth-quake alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201331824Y true CN201331824Y (en) | 2009-10-21 |
Family
ID=41225207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2009200180047U Expired - Fee Related CN201331824Y (en) | 2009-01-13 | 2009-01-13 | Earth-quake alarm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201331824Y (en) |
-
2009
- 2009-01-13 CN CNU2009200180047U patent/CN201331824Y/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20110113 |