CN205405776U - Infrared emergent alarm device of passive form - Google Patents
Infrared emergent alarm device of passive form Download PDFInfo
- Publication number
- CN205405776U CN205405776U CN201620169450.8U CN201620169450U CN205405776U CN 205405776 U CN205405776 U CN 205405776U CN 201620169450 U CN201620169450 U CN 201620169450U CN 205405776 U CN205405776 U CN 205405776U
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Abstract
The utility model discloses an infrared emergent alarm device of passive form, including infrared probe HY, trigger F and speaker LS1, triode Q3's projecting pole, stabilivolt D5's positive pole, resistance R3 and trigger F's 13 feet and ground connection are connected respectively to trigger F's 1 foot, and trigger F's 14 feet, resistance R6 and resistance R7 are connected respectively to stabilivolt D5's negative pole. The utility model discloses infrared emergent alarm device of passive form has adopted the infrared probe of passive form in the regional measuring of prevention and control, and get into when someone and respond to angle 120 degrees, the distance 1 15 the rice scope, infrared sensor detects human infrared spectrum's change, and automatically connect controlling means realizes reporting to the police, the utility model discloses circuit structure is simple, design safe and reliable, high, low, the easy installation operation of preparation use cost of work reaction sensitivity, the people is appearing for leading to the fact the opening a way of probe part, short circuit, power failure can realize real -time warning when destroying.
Description
Technical field
The utility model relates to a kind of warning device, specifically a kind of infrared emergency alarm device of passive type.
Background technology
Infrared alarm great majority all utilize human body heat-releasing and constant body temperature, typically at 37 degree, can send specific wavelength 10um
The infrared ray of left and right, passive type infrared probe detects about the 10um infrared ray of human-body emitting and is operated.Human body
The infrared ray of about the 10um launched gathers on infrared induction source after being strengthened by your optical filter of luxuriant and rich with fragrance mud, and infrared induction source is usual
Using pyroelectricity element, it is outside that this element will lose charge balance when receiving human infrared radiation temperature and changing
Release electric charge, controls just to trigger switch motion after detection processes through subsequent conditioning circuit, when there being people to enter sensing angle 120 degree, away from
From 1-15 rice scope, sensor special detects the change of human body infrared spectrum, and turn on automatically controls device and realizes reporting to the police.Existing
IR intrusion detector is high because of cost of manufacture, and technology is relative complex, when the destruction artificially caused occurs in infrared probe: such as, open circuit, short
Road, power failure can not be reported to the police, it is difficult to popularization and application.
This device belongs to a kind of infrared emergent alarm of passive type, and its core is the control by being made up of electronic devices and components
Device is connected with infrared probe, and when there being people to enter prevention and control regional extent, sensor detects human body infrared spectrum change certainly
Dynamic connection controls device, it is achieved the warning of blowing a whistle that in prevention and control region, personnel enter.
Utility model content
The purpose of this utility model is to provide a kind of infrared emergency alarm device of passive type, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, the following technical scheme of the utility model offer:
A kind of infrared emergency alarm device of passive type, including infrared probe HY, trigger F and loudspeaker LS1, described triggering
1 pin of device the F emitter stage of connecting triode Q3, the positive pole of voltage-stabiliser tube D5,13 pin of resistance R3 and trigger F ground connection respectively,
The negative pole of voltage-stabiliser tube D5 connects 14 pin of trigger F, resistance R6 and resistance R7 respectively, the other end connecting triode Q4 of resistance R6
Colelctor electrode, the base stage of triode Q4 connects the other end of resistance R7, the positive pole of diode D7 and the positive pole of diode D6 respectively,
The negative pole of diode D7 connects the F8 pin of trigger, and the negative pole of diode D6 connects 6 pin of trigger F, the transmitting of triode Q4
The positive pole of pole connecting luminous diode D9, the negative pole of the light emitting diode D9 negative pole of connecting luminous diode D8 respectively, three ends are steady
Pressure pipe VR2, dedicated music integrated circuit YD and loudspeaker LS1 ground connection, the positive pole of light emitting diode D8 connects resistance R5, resistance
The other end of R5 connects 9 pin of trigger F, and the colelctor electrode of described triode Q3 connects 4 pin of trigger F, the base of triode Q3
Pole connects the positive pole of voltage-stabiliser tube D2, and the negative pole of voltage-stabiliser tube D2 connects the source electrode of FET Q1, the grid of FET Q1, switch
The drain electrode of S4 and relay J contact J-1, FET Q1 connects resistance R1, the other end of switch S4 connecting valve S2 respectively, steady
The negative pole of pressure pipe D3 and 10 pin of trigger F, the positive pole of voltage-stabiliser tube D3 connects 7 pin and the light emitting diode D4 of trigger F respectively
Negative pole and ground connection, the positive pole of light emitting diode D4 connects resistance R4, and the other end of resistance R4 connects 5 pin of trigger F respectively
With base stage and electric capacity C1 that the other end of variable resistance R2, variable resistance R2 distinguishes connecting triode Q2, electric capacity C1's is another
The emitter stage of one end connecting triode Q2 ground connection, the colelctor electrode of triode Q2 connects relay J coil and diode D1 respectively
Positive pole, it is steady that the negative pole of diode D1 connects resistance R1, the other end of resistance R3, the other end of relay J coil, three ends respectively
The 4 port ground connection of the other end of pressure pipe VR2,3 ports of infrared probe HY and fuse F2, infrared probe HY, dedicated music collection
Becoming circuit YD to be also connected with loudspeaker LS1 and one end of relay J contact J-2, the other end of relay J contact J-2 connects three ends
Voltage-stabiliser tube VR2, the other end of fuse F2 connects negative pole and the electric capacity C3 of diode D11 respectively, and the positive pole of diode D11 is respectively
Connecting positive pole and the output of three-terminal voltage-stabilizing pipe VR1 of storage batteries D T2, the input of three-terminal voltage-stabilizing pipe VR1 connects two poles respectively
The negative pole of pipe D10 and switch S5, switch S5 connects the positive pole of storage batteries D T1, and an output of rectifier bridge D12 connects electricity respectively
Holding C2 and the positive pole of diode D10, another output of rectifier bridge D12 connects the other end of electric capacity C2, storage batteries D T1 respectively
Negative pole, the earth terminal of three-terminal voltage-stabilizing pipe VR1, the negative pole of storage batteries D T2 and the other end of electric capacity C3 and ground connection, rectifier bridge D12
The two ends of two inputs connection transformer T1 secondary sides respectively, one end connecting valve B2 of transformer T1 primary side, switch
The other end of B2 connects fuse F1, and the two ends of 220V AC power connect the other end and the transformer T1 mono-of fuse F1 respectively
The other end of secondary side, the model of described trigger F is 74LS74.
As further program of the utility model: 2 ports of described infrared probe HY connect relay J contact J-1's
The other end, the other end of the 1 port connecting valve S2 of infrared probe HY.
Compared with prior art, the beneficial effects of the utility model are: the infrared emergent alarm of the utility model passive type fills
Put the detection that have employed passive type infrared probe prevention and control region, when have people enter sensing angle 120 degree, distance 1-15 rice scope,
Infrared sensor detects the change of human body infrared spectrum, and turn on automatically controls device and realizes reporting to the police；Employ FET to do
Constant-current source；Have employed dedicated music integrated circuit promotes loudspeaker to send alarm sound；Have employed alternating current 220V and 12V battery
Power for this device, can ensure that this device normally works when having a power failure；The utility model circuit structure is simple, design safety can
Lean on, working reaction is highly sensitive, make use cost low, easy install operation, occur artificially cause probe segment open circuit,
Short circuit, power failure can realize Realtime Alerts when destroying, and easily promote the popularization use.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the infrared emergency alarm device of passive type.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Referring to Fig. 1, a kind of infrared emergency alarm device of passive type, including infrared probe HY, trigger F and loudspeaker
LS1, it is characterised in that 1 pin of described trigger the F emitter stage of connecting triode Q3, the positive pole of voltage-stabiliser tube D5, resistance R3 respectively
With 13 pin the ground connection of trigger F, the negative pole of voltage-stabiliser tube D5 connects 14 pin of trigger F, resistance R6 and resistance R7, resistance respectively
The colelctor electrode of the other end connecting triode Q4 of R6, the base stage of triode Q4 connects the other end of resistance R7, diode D7 respectively
Positive pole and the positive pole of diode D6, the negative pole of diode D7 connects the F8 pin of trigger, and the negative pole of diode D6 connects and triggers
6 pin of device F, the positive pole of the emitter stage connecting luminous diode D9 of triode Q4, the negative pole of light emitting diode D9 connects respectively to be sent out
The negative pole of optical diode D8, three-terminal voltage-stabilizing pipe VR2, dedicated music integrated circuit YD and loudspeaker LS1 ground connection, light emitting diode
The positive pole of D8 connects 9 pin of the other end connection trigger F of resistance R5, resistance R5, and the colelctor electrode of described triode Q3 connects tactile
Sending out 4 pin of device F, the base stage of triode Q3 connects the positive pole of voltage-stabiliser tube D2, and the negative pole of voltage-stabiliser tube D2 connects the source of FET Q1
Pole, the grid of FET Q1, the drain electrode of switch S4 and relay J contact J-1, FET Q1 connect resistance R1, switch S4
The other end respectively connecting valve S2, the negative pole of voltage-stabiliser tube D3 and 10 pin of trigger F, the positive pole of voltage-stabiliser tube D3 connects tactile respectively
Sending out 7 pin of device F and the negative pole of light emitting diode D4 ground connection, the positive pole of light emitting diode D4 connects resistance R4, and resistance R4's is another
One end connects 5 pin and the variable resistance R2 of trigger F respectively, the other end of variable resistance R2 connecting triode Q2's respectively
Base stage and electric capacity C1, the emitter stage of the other end connecting triode Q2 of electric capacity C1 ground connection, the colelctor electrode of triode Q2 connects respectively
Contact relay J coil and the positive pole of diode D1, the negative pole of diode D1 connects resistance R1, the other end of resistance R3 respectively, continues
The other end of electrical equipment J coil, the other end of three-terminal voltage-stabilizing pipe VR2,3 ports of infrared probe HY and fuse F2, infrared probe
The 4 port ground connection of HY, dedicated music integrated circuit YD is also connected with loudspeaker LS1 and one end of relay J contact J-2, relay J
The other end of contact J-2 connects three-terminal voltage-stabilizing pipe VR2, and the other end of fuse F2 connects negative pole and the electricity of diode D11 respectively
Holding C3, the positive pole of diode D11 connects positive pole and the output of three-terminal voltage-stabilizing pipe VR1, the three-terminal voltage-stabilizing pipe of storage batteries D T2 respectively
The input of VR1 connects negative pole and the switch S5 of diode D10 respectively, and switch S5 connects the positive pole of storage batteries D T1, rectifier bridge
One output of D12 connects electric capacity C2 and the positive pole of diode D10 respectively, and another output of rectifier bridge D12 connects respectively
Connect the other end of electric capacity C2, the negative pole of storage batteries D T1, the earth terminal of three-terminal voltage-stabilizing pipe VR1, the negative pole of storage batteries D T2 and electric capacity
The other end of C3 ground connection, the two ends of two inputs of rectifier bridge D12 connection transformer T1 secondary side respectively, transformer T1 mono-
One end connecting valve B2 of secondary side, the other end of switch B2 connects fuse F1, and the two ends of 220V AC power connect molten respectively
The other end of disconnected device F1 and the other end of transformer T1 primary side, the model of described trigger F is 74LS74.
2 ports of described infrared probe HY connect the other end of relay J contact J-1, and 1 port of infrared probe HY connects
The other end of switch S2.
Operation principle of the present utility model is:
Referring to Fig. 1, FET Q1 is a constant-current source, when measured signal is normal time, it is provided that to voltage-stabiliser tube D3
Certain electric current, the burning voltage of voltage-stabiliser tube D3 is the 1/2 of voltage-stabiliser tube D2.Determine because the burning voltage of voltage-stabiliser tube D2 is one
Value, so D2 cut-off, trigger F is double D trigger, including trigger FF1 and trigger FF2, at this moment two trigger FF1 and
Trigger FF2 is in reset state, and by making light emitting diode D9 shinny with door (D6, D7 and Q4), represents monitoring range
Exception does not occur.The 10 pin inputs of same trigger F are equivalent to add a set signal, make the Q end of FF2 be output as
The level of " 1 ", therefore short circuit indicator lamp D8 is shinny.If monitoring range occurs abnormal, then voltage-stabiliser tube D2 and triode Q3 conducting, and
Making FF1 set, 5 foots of trigger F be output as the level of " 1 ", light emitting diode D4 is shinny for indicator lamp.Due at trigger F
5 pin be concurrently accessed Q2, the amplified promotion relay J adhesive of control signal electric current works, and contact J-1 is by closing change simultaneously
For opening, contact J-2 becomes Guan Bi from opening, and connects dedicated music integrated circuit YD power supply, and YD circuit promotes loudspeaker LS1
Send alarm sound.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art is possessed, it is also possible on the premise of without departing from this patent objective
Make a variety of changes.
Claims (2)
1. the infrared emergency alarm device of passive type, including infrared probe HY, trigger F and loudspeaker LS1, its feature exists
In the 1 pin emitter stage of connecting triode Q3 respectively of, described trigger F, the positive pole of voltage-stabiliser tube D5, resistance R3 and trigger F
13 pin ground connection, the negative pole of voltage-stabiliser tube D5 connects 14 pin of trigger F, resistance R6 and resistance R7, the other end of resistance R6 respectively
The colelctor electrode of connecting triode Q4, the base stage of triode Q4 connects the other end of resistance R7, the positive pole of diode D7 and two respectively
The positive pole of pole pipe D6, the negative pole of diode D7 connects the F8 pin of trigger, 6 pin of the negative pole connection trigger F of diode D6, and three
The positive pole of the emitter stage connecting luminous diode D9 of pole pipe Q4, the negative pole of light emitting diode D9 connecting luminous diode D8's respectively
Negative pole, three-terminal voltage-stabilizing pipe VR2, dedicated music integrated circuit YD and loudspeaker LS1 ground connection, the positive pole of light emitting diode D8 connects
The other end of resistance R5, resistance R5 connects 9 pin of trigger F, 4 pin of the colelctor electrode connection trigger F of described triode Q3, and three
The base stage of pole pipe Q3 connects the positive pole of voltage-stabiliser tube D2, and the negative pole of voltage-stabiliser tube D2 connects the source electrode of FET Q1, FET Q1
Grid, switch S4 and relay J contact J-1, FET Q1 drain electrode connect resistance R1, switch S4 the other end connect respectively
Connecing switch S2, the negative pole of voltage-stabiliser tube D3 and 10 pin of trigger F, the positive pole of voltage-stabiliser tube D3 connects 7 pin of trigger F respectively and sends out
The negative pole of optical diode D4 ground connection, the positive pole of light emitting diode D4 connects resistance R4, and the other end of resistance R4 connects tactile respectively
Send out 5 pin of device F and the base stage of the other end connecting triode Q2 respectively of variable resistance R2, variable resistance R2 and electric capacity C1,
The emitter stage of the other end connecting triode Q2 of electric capacity C1 ground connection, the colelctor electrode of triode Q2 connects relay J coil respectively
With the positive pole of diode D1, the negative pole of diode D1 connect respectively resistance R1, the other end of resistance R3, relay J coil another
4 ports of one end, the other end of three-terminal voltage-stabilizing pipe VR2,3 ports of infrared probe HY and fuse F2, infrared probe HY connect
Ground, dedicated music integrated circuit YD is also connected with loudspeaker LS1 and one end of relay J contact J-2, and relay J contact J-2's is another
One end connects three-terminal voltage-stabilizing pipe VR2, and the other end of fuse F2 connects negative pole and electric capacity C3, the diode of diode D11 respectively
The positive pole of D11 connects positive pole and the output of three-terminal voltage-stabilizing pipe VR1 of storage batteries D T2, the input of three-terminal voltage-stabilizing pipe VR1 respectively
Connecting negative pole and the switch S5 of diode D10 respectively, switch S5 connects the positive pole of storage batteries D T1, an output of rectifier bridge D12
End connects electric capacity C2 and the positive pole of diode D10 respectively, and another output of rectifier bridge D12 connects another of electric capacity C2 respectively
End, the negative pole of storage batteries D T1, the earth terminal of three-terminal voltage-stabilizing pipe VR1, the negative pole of storage batteries D T2 and the other end of electric capacity C3 also connect
Ground, the two ends of two inputs of rectifier bridge D12 connection transformer T1 secondary side respectively, one end of transformer T1 primary side connects
Switch B2, the other end of switch B2 connects fuse F1, and the two ends of 220V AC power connect the other end of fuse F1 respectively
With the other end of transformer T1 primary side, the model of described trigger F is 74LS74.
The infrared emergency alarm device of passive type the most according to claim 1, it is characterised in that the 2 of described infrared probe HY
Port connects the other end of relay J contact J-1, the other end of the 1 port connecting valve S2 of infrared probe HY.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169450.8U CN205405776U (en) | 2016-03-07 | 2016-03-07 | Infrared emergent alarm device of passive form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169450.8U CN205405776U (en) | 2016-03-07 | 2016-03-07 | Infrared emergent alarm device of passive form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205405776U true CN205405776U (en) | 2016-07-27 |
Family
ID=56444242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620169450.8U Expired - Fee Related CN205405776U (en) | 2016-03-07 | 2016-03-07 | Infrared emergent alarm device of passive form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205405776U (en) |
-
2016
- 2016-03-07 CN CN201620169450.8U patent/CN205405776U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20180307 |