CN205091892U - Alarm is lost to article - Google Patents
Alarm is lost to article Download PDFInfo
- Publication number
- CN205091892U CN205091892U CN201520844652.3U CN201520844652U CN205091892U CN 205091892 U CN205091892 U CN 205091892U CN 201520844652 U CN201520844652 U CN 201520844652U CN 205091892 U CN205091892 U CN 205091892U
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- infrared
- circuit
- adjustable
- infrared receiving
- receiver
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- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 206010057315 Daydreaming Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000001755 vocal effect Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to an alarm device is prevented losing by article, including an infrared transmitter and an infrared receiver, infrared transmitter in have an infrared emission circuit at least, infrared receiver in have an infrared receiving circuit and a warning circuit at least, its characterized in that, infrared emission circuit be the narrow impulse generator of adjustable, infrared receiving circuit be adjustable burst pulse receiver, narrow impulse generator of adjustable and adjustable burst pulse receiver be the same pulse wave band. The utility model discloses an arbitrary whenever all have different infrared bands to the composite aircraft, the problem in same on -the -spot wrong report can not appear, popularizes and applies costlyly.
Description
Technical field
The utility model relates to a kind of alarm, particularly relates to a kind of lose warning device.
Background technology
In actual life, people are often because of absent minded or disturbed by polygamy affairs, and situation about being forgotten by valuables such as occurring mobile phone, knapsack, wallet, car key, brings very big inconvenience to life.At present, in prior art, more existing alarms are used for preventing article from losing, and its principle is that alarm is made up of a radio transmitter and a radio receiver with warning circuit.During use, transmitter is contained in belongings, and receiver is placed on it user, and when after the rushing and exceed certain distance of transmitter and receiver, receiver can not receive the electric wave that transmitter sends, and warning circuit then sends signal and reminds user.But this alarm finds at least there is following problem in implementation process: current alarm is generally all made up of transmitter and receiver two parts, if receiver is the same band, many people carry receiver at the scene time, just there will be situation that is chaotic or that report an error of reporting to the police, if be particularly not easy to carry with, be inconvenient to use, application value is not high.
Utility model content
The utility model provides a kind of conveniently to be carried with, article are from the object loss alarm of body 3-5 rice and alarm and reminding, this alarm can be designed to mother and sons' machine of different-waveband pulse signal, solves the problem that many people under the same band carry handset warning error at the scene.
The technical scheme that the utility model proposes is:
Object loss alarm, comprise an infrared transmitter 1 and an infrared receiving set 2, an infrared transmitting circuit 3 is had at least in described infrared transmitter 1, have an infrared receiving circuit 5 in described infrared receiving set 2 at least and have a warning circuit 6 at least, it is characterized in that described infrared transmitting circuit 3 is adjustable narrow-pulse generator 4, described infrared receiving circuit 5 is adjustable burst pulse receiver 7, and the burst pulse that described adjustable narrow-pulse generator 4 and adjustable burst pulse receiver 7 produce is identical pulse wave band.
Further technical scheme can also be, described infrared transmitting circuit 3 comprises SG555 multi-resonant oscillating circuit 8 and the infrared-emitting diode 9 of external adjustable resistor RP1, and described infrared receiving circuit 5 comprises infrared receiving diode 10, the CX20106A integrated circuit 11 of external adjustable resistor RP2, voice alarm circuit 12 and power amplifier 13.
Further technical scheme can also be, described voice alarm circuit 12 comprises KD9561 music integrated circuit 14 and loudspeaker 15, and described power amplifier 13 comprises LM386 audio frequency amplification circuit 16.
According to above-mentioned technical scheme, the utility model has following advantages.
When specific design integrated circuit, when the resistance RP designing adjustable narrow-pulse generator and adjustable burst pulse receiver is a certain fixed resistance value, make the pulse signal of emitter and receiving trap be in the same band, complete designing and producing of a pair composite aircraft; Adjustable resistor RP in often pair of composite aircraft is designed to different resistances, and just achieving often pair of composite aircraft arbitrarily has different infrared bands, there will not be the problem in the wrong report of same scene.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction block diagram, and Fig. 2 is infrared transmitter electronic circuitry, and Fig. 3 is infrared receiving set electronic circuitry.
In figure, 1 is infrared transmitter, 2 is infrared receiving sets, 3 is infrared transmitting circuits, 4 is adjustable narrow-pulse generators, 5 is infrared receiving circuits, 6 is warning circuits, 7 is adjustable burst pulse receivers, 8 is SG555 multi-resonant oscillating circuits, 9 is infrared-emitting diodes, 10 is infrared receiving diodes, 11 is CX20106A integrated circuit, 12 is voice alarm circuit, 13 is power amplifiers, 14 is KD9561 music integrated circuit, 15 is loudspeakers, 16 is LM386 audio frequency amplification circuits, 17 is adjustable resistor RP1, 18 is external adjustable resistor RP2.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.It should be pointed out that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the utility model proposes a kind of object loss alarm, comprise an infrared transmitter 1 and an infrared receiving set 2, an infrared transmitting circuit 3 is had at least in described infrared transmitter 1, an infrared receiving circuit 5 and a warning circuit 6 is had at least in described infrared receiving set 2, it is characterized in that, described infrared transmitting circuit 3 is adjustable narrow-pulse generator 4, described infrared receiving circuit 5 is adjustable burst pulse receiver 7, the burst pulse that described adjustable narrow-pulse generator 4 and adjustable burst pulse receiver 7 produce is identical pulse wave band.
As shown in Figure 2 and Figure 3, further, described infrared transmitting circuit 3 comprises SG555 multi-resonant oscillating circuit 8 and the infrared-emitting diode 9 of external adjustable resistor, and described infrared receiving circuit 5 comprises infrared receiving diode 10, the CX20106A integrated circuit 11 of external adjustable resistor, voice alarm circuit 12 and power amplifier 13.Infrared transmitting circuit 3 is multi-resonant oscillating circuits, the advantages such as it has, and oscillation frequency is stable, circuit is simple, dependable performance; Infrared receiving diode 10, CX20106A integrated circuit 11 are for completing the work such as reception, carrier wave frequency-selecting, pulse demodulation of infrared signal.
As shown in Figure 3, further, described voice alarm circuit 12 comprises KD9561 music integrated circuit 14 and loudspeaker 15, and described power amplifier 13 comprises LM386 audio frequency amplification circuit 16.KD9561 music integrated circuit 14 have a pair external oscillation resistance interface, two select vocal input end and an audio signal output end, an external transistor can drive loudspeaker sounding: LM386 is the universal audio collection power amplifier of a kind of low-voltage.
Principle of work of the present utility model is:
Infrared transmitter 1 mainly comprises infrared transmitting circuit 3, as shown in Figure 2, infrared transmitting circuit 3 mainly comprises the components and parts such as IC1 (SG555), R1, R2, RP1, C1, R3, infrared-emitting diode LED1, infrared-emitting diode LED2, this is a multi-resonant oscillating circuit, oscillation frequency is 40kHz, adjustment different-waveband can be carried out by adjustable resistor RP1, the oscillator signal of the 40kHz produced exports from IC1 pin 3, and driving LED 1, LED2 infrared-emitting diode 9 outwards launch infrared light.IC1 (SG555) is the chip of a PWM, and it by controlling opening and turning off of infrared-emitting diode 9, thus makes LED launch the infrared ray of certain wavelength.
As shown in Figure 1, infrared receiving set 2 mainly comprises infrared receiving circuit 5 and warning circuit 6, as shown in Figure 3, infrared receiving circuit 5 mainly comprises the components and parts such as IC2 (CX20106), infrared receiving diode LED3, adjustable resistor RP2, and this circuit is for completing the work such as reception, carrier wave frequency-selecting, pulse demodulation of infrared signal.Warning circuit 6 comprises KD9561 music integrated circuit, power amplifier LM386 and loudspeaker.
As shown in Figure 2 and Figure 3, under normal circumstances, infrared transmitter 1 and infrared receiving set 2 are when 3-5 rice, in infrared transmitter 1, infrared transmitting circuit 3 works, infrared-emitting diode LED1, infrared-emitting diode LED2 send infrared light, after being received by the infrared receiving diode LED3 in infrared receiving set 2, IC2 (CX20106) integrated circuit 11 pin 1 is added to after being converted to electric signal, after treatment from pin 7 output low level, IC3 (KD9561) music integrated circuit 14 does not work, and its late-class circuit can not send chimes of doom; When the spacing of infrared transmitter 1 and infrared receiving set 2 is greater than 5 meters, infrared receiving diode LED3 does not receive infrared signal, IC2 (CX20106) integrated circuit 11 pin 7 exports high level, IC3 (KD9561) music integrated circuit 14 is started working, the voice signal exported adds to IC4 (LM386) audio frequency amplification circuit 16 pin 3 through C6 coupling, export from pin 5 after amplifying, through C7 drive loudspeaker 15 send " beep, beep, owner, not I! " audio alert sound.As required, often pair of infrared transmitter 1 and infrared receiving set 2, adjustable resistor RP namely in often pair of composite aircraft is designed to different resistances, just achieve often pair of composite aircraft arbitrarily and have different infrared bands, there will not be the problem in the wrong report of same scene, application value is high, is easy to universal.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to allow the art those of ordinary skill being familiar with technique can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.All equivalences done according to the utility model flesh and blood and principle change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (3)
1. object loss alarm, comprise an infrared transmitter (1) and an infrared receiving set (2), an infrared transmitting circuit (3) is had at least in described infrared transmitter (1), have an infrared receiving circuit (5) in described infrared receiving set (2) at least and have a warning circuit (6) at least, it is characterized in that described infrared transmitting circuit (3) is for adjustable narrow-pulse generator (4), described infrared receiving circuit (5) is adjustable burst pulse receiver (7), the burst pulse that described adjustable narrow-pulse generator (4) and adjustable burst pulse receiver (7) produce is identical pulse wave band.
2. object loss alarm according to claim 1, it is characterized in that described infrared transmitting circuit (3) comprises SG555 multi-resonant oscillating circuit (8) and the infrared-emitting diode (9) of external adjustable resistor RP1, described infrared receiving circuit (5) comprises infrared receiving diode (10), the CX20106A integrated circuit (11) of external adjustable resistor RP2, voice alarm circuit (12) and power amplifier (13).
3. object loss alarm according to claim 2, it is characterized in that described voice alarm circuit (12) comprises KD9561 music integrated circuit (14) and loudspeaker (15), described power amplifier (13) comprises LM386 audio frequency amplification circuit (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844652.3U CN205091892U (en) | 2015-10-27 | 2015-10-27 | Alarm is lost to article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844652.3U CN205091892U (en) | 2015-10-27 | 2015-10-27 | Alarm is lost to article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205091892U true CN205091892U (en) | 2016-03-16 |
Family
ID=55482558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520844652.3U Expired - Fee Related CN205091892U (en) | 2015-10-27 | 2015-10-27 | Alarm is lost to article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205091892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118072483A (en) * | 2024-03-20 | 2024-05-24 | 广东保伦电子股份有限公司 | Infrared anti-lost alarm system |
-
2015
- 2015-10-27 CN CN201520844652.3U patent/CN205091892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118072483A (en) * | 2024-03-20 | 2024-05-24 | 广东保伦电子股份有限公司 | Infrared anti-lost alarm system |
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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: 20160316 Termination date: 20161027 |