CN2729832Y - Alarm device for anti-theft and anti-lose of travel article - Google Patents
Alarm device for anti-theft and anti-lose of travel article Download PDFInfo
- Publication number
- CN2729832Y CN2729832Y CN 200420096793 CN200420096793U CN2729832Y CN 2729832 Y CN2729832 Y CN 2729832Y CN 200420096793 CN200420096793 CN 200420096793 CN 200420096793 U CN200420096793 U CN 200420096793U CN 2729832 Y CN2729832 Y CN 2729832Y
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- CN
- China
- Prior art keywords
- module
- control circuit
- circuit
- signal
- alarm device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an alarm device for anti-theft and anti-lose of traveling articles, which belongs to the technical field of electronic technology. The alarm device can automatically send out alarm signals when the traveling articles are stolen or lost. The utility model is composed of a signal sending device and a signal accepting alarm device, wherein, the signal sending device is mainly composed of a casing body, an electrical source arranged in the casing body, an intermittent sending control circuit, an electrical source on-off and transmitting distance control circuit, and a micro-wave sending module; the signal accepting alarm device is mainly composed of a casing body, an electrical source arranged in the casing body, a micro-wave accepting module, a demodulation circuit, a direct-current voltage amplifying circuit, an electroacoustics module, a high loudness buzzer and a coupling capacitor which is connected with the position between the micro-wave accepting module and the demodulation circuit. The alarm device has the advantages of compact structure, small size, little power consumption, and is a reliable tool for protecting carried articles when people have a travel.
Description
Affiliated technical field
The utility model relates to electronic technology field, especially a kind of antitheft, anti-autoalarm of losing of the belongings of travelling.
Background technology
People are at the whilst on tour of going out, and entrained article phenomenon stolen or that lose happens occasionally, and this causes certain economic loss and mental suffering not only for the owner of lost property, also can cause heavy losses to the country and people sometimes.So far, know except the anti-criminal intent of reminds people raising, its belongings are strengthened outside the keeping, still not having preferably, technical measures take place to prevent above-mentioned phenomenon.
The utility model content
At the deficiency that prior art exists, the utility model provides a kind of travel items antitheft, the anti-alarm that loses, and it can be at owner's article stolen or when losing, signal automatically can give the alarm.
The technical solution of the utility model is: it receives warning device by sender unit and signal and forms.Described sender unit mainly is made up of housing, power supply, intermittent transmission control circuit, on/off and the transmitting range control circuit, the microwave transmitter module that are arranged in the housing; After being in series, described intermittent transmission control circuit, on/off and transmitting range control circuit and microwave transmitter module be parallel between power positive cathode.Described signal receive warning device by housing, be arranged on power supply, microwave receiving module, demodulator circuit, DC voltage amplifying circuit, electroacoustic module, the high loudness news Chinese percussion instrument in the housing and the coupling electric capacity that is connected between described microwave receiving module and the demodulator circuit constitutes, described microwave receiving modular power source terminals connect with power positive cathode; Described demodulator circuit output terminal connects with described DC voltage input amplifier, and described electroacoustic module two supply terminalss connect with power positive cathode; Its input end connects with described DC voltage amplification circuit output end, connects described high loudness news Chinese percussion instrument between its output terminal and the power positive end.
Good effect of the present utility model is: owing to adopt technique scheme; people can be with the latent article that place of sender unit; signal is received warning device to be carried; as article and owner during at a distance of certain distance, signal receives warning device can send the sound, plays the warning effect; thereby the article that can prevent the owner are effectively lost or are stolen; help protecting people's property safety, help reducing theft crime, safeguard the normal order of society.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the circuit block diagram that sender unit and signal receive warning device;
Fig. 2 is the sender unit circuit theory diagrams;
Fig. 3 is that signal receives the warning device circuit theory diagrams.
Embodiment
In Fig. 1, Fig. 2, the circuit of sender unit is to constitute an electroacoustic module I C like this
1(KD153) two supply terminalss respectively with direct supply (1.5 volts of voltages) positive and negative extreme connection the, its vibration input end connection electrical resistance R
1(220K Ω), this electroacoustic module I C
1With oscillation resistance R
1Constitute the intermittent transmission control circuit, this circuit output end connects by resistance R
2(3K Ω), resistance R
3(1.5K Ω) and have Ka, K
b, K
cThe on/off that the toggle switch of three gears constitutes and the input end of transmitting range control circuit, a microwave transmitter module IC
2(FO
3) two supply terminalss connect with power positive cathode respectively, its input end connects with the output terminal of above-mentioned on/off and transmitting range control circuit.Dump when above-mentioned toggle switch is in the Ka position; Be in K
bThe power connection during position, and make the emissive power of microwave transmitter module be in less state, be controlled in one meter thereby make signal be received distance; When being in K
cDuring the position, power connection, and make the emissive power of microwave transmitter module be in maximum rating, be controlled in four meters thereby make signal be received distance.All circuit all are installed in the housing.
In Fig. 1, Fig. 3, the circuit that signal receives warning device is to constitute like this: it has adopted direct supply, the reception ic chip that magnitude of voltage is 3V
3(JO
3) two supply terminalss connect with the power supply positive and negative polarities, its signal output part and one amplify the IC of shaping digital integrated block
4(4069) connect a coupling capacitance C between the input end
1(0.2F), this amplifies shaping digital integrated block IC
4In connect a resistance R between input and the output terminal of the gate-type amplification and rectification circuit first order that is provided with
4(1M Ω), this amplifies the output terminal and the capacitor C of shaping digital integrated block
2(1000p) input end connects, this capacitor C
2Output terminal and a diode D
1Positive terminal (1ss110) connects, this diode D
1Negative pole end respectively with a diode D
2Negative pole end (1ss110), electrochemical capacitor C
3(33f) positive terminal, a slide rheostat RW
1One end of (0-220K Ω) and triode BG
1(9014) base stage connects, above-mentioned diode D
2Positive terminal, capacitor C
3Negative pole end, slide rheostat RW
1The other end extremely connect above-mentioned triode BG respectively with power-
1Emitter joining power negative pole end, its collector one end respectively with a resistance R
5(1K Ω) end, triode BG
2(9015) base terminal connects, this resistance R
5The other end connect this triode BG with positive source
2Emitter joining power positive pole, connect a capacitor C between its collector one end and power-are extreme
5(1F), this collector terminal and an electroacoustic ic chip
5(HL930) signal input part connects, and two supply terminalss of this electroacoustic integrated package connect with power positive cathode respectively, connects a high loudness between its signal output part and the power positive end and interrogates Chinese percussion instrument, resistance in series R between this signal output part and power cathode
6(1K Ω) and light emitting diode D
3, capacitor C in parallel between power positive cathode
4(47F).
Above-mentioned amplification shaping digital integrated block IC
4, resistance R
4, capacitor C
2, diode D
1, D
2, capacitor C
3, slide rheostat RW
1Constitute demodulator circuit, triode BG
1, resistance R
5, triode BG
2Constitute the DC voltage amplifying circuit.
The principle of work of sender unit is: electroacoustic module I C
1By resistance R
1Regulate its intermittently oscillation frequency, produce intermittently signal (intermittently being worth 0.5 second) of a 2000HZ-3000HZ, this amplitude output signal is through R
2Or R
3Adjust the microwave transmitter module IC of back input service at 300MHZ-400MHZ
2, and microwave transmitter module IC is arranged
2Launch the mixing electric wave signal.
The principle of work that signal receives warning device is: when signal receive warning device and sender unit exceed one meter or four meters apart from the time, signal reception ic chip
3Do not receive the signal of sender unit emission, and receive ic chip by signal
3Self produces the ripple signal of making an uproar, and this signal is through capacitor C
1Be coupled to and amplify the shaping ic chip
4, the signal after it amplifies shaping passes through capacitor C
2By diode D
1, D
2, capacitor C
3, slide rheostat RW
1The ripple detecting circuit of forming of making an uproar makes it to become steady DC voltage to the ripple detection of making an uproar, and this voltage is through triode BG
1, BG
2After the amplification, promote the electroacoustic ic chip
5, and drive the work of high loudness news Chinese percussion instrument.And when signal receive warning device and sender unit at a distance of one meter with interior or four meters in the time, it can receive the signal that sender unit is launched, but this signal can not drive its electroacoustic component work.
Claims (3)
1, antitheft, the anti-alarm that loses of travel items, it comprises that sender unit and signal receive warning device, is characterized in that: described sender unit is made up of housing, power supply, intermittent transmission control circuit, on/off and the transmitting range control circuit, the microwave transmitter module that are arranged in the housing; After being in series, this intermittent transmission control circuit, microwave transmitter module, on/off and transmitting range control circuit be parallel between power positive cathode; Described signal receive warning device by housing, be arranged on power supply, microwave receiving module, demodulator circuit, DC voltage amplifying circuit, electroacoustic module, the high loudness news Chinese percussion instrument in this housing and the coupling electric capacity that is connected between described microwave receiving module and the demodulator circuit constitutes, described microwave receiving modular power source terminals connect with power positive cathode; Described demodulator circuit output terminal connects with described DC voltage input amplifier; Described electroacoustic module two supply terminalss connect with power positive cathode; Its input end connects with described DC voltage amplification circuit output end, connects described high loudness news Chinese percussion instrument between its output terminal and the power positive end.
2, antitheft, the anti-alarm that loses of travel items according to claim 1 is characterized in that: described intermittent transmission control circuit is by the electroacoustic module that connects with power positive cathode and be connected in the vibrate oscillation resistance of input end of this electroacoustic module and form.
3, antitheft, the anti-alarm that loses of travel items according to claim 1, it is characterized in that: described on/off and transmitting range control circuit are the resistance (R that connects by with described intermittent transmission control circuit output terminal
2), resistance (R
3) and many retaining toggle switch compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096793 CN2729832Y (en) | 2004-09-30 | 2004-09-30 | Alarm device for anti-theft and anti-lose of travel article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096793 CN2729832Y (en) | 2004-09-30 | 2004-09-30 | Alarm device for anti-theft and anti-lose of travel article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729832Y true CN2729832Y (en) | 2005-09-28 |
Family
ID=35048605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096793 Expired - Fee Related CN2729832Y (en) | 2004-09-30 | 2004-09-30 | Alarm device for anti-theft and anti-lose of travel article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729832Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691015A (en) * | 2022-10-24 | 2023-02-03 | 佛山市新东方电子技术工程有限公司 | Capacitive anti-theft detection circuit and anti-theft and anti-robbery device |
-
2004
- 2004-09-30 CN CN 200420096793 patent/CN2729832Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691015A (en) * | 2022-10-24 | 2023-02-03 | 佛山市新东方电子技术工程有限公司 | Capacitive anti-theft detection circuit and anti-theft and anti-robbery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |