CN201838158U

CN201838158U - Valuables touch warning device

Info

Publication number: CN201838158U
Application number: CN2010206027768U
Authority: CN
Inventors: 黄家兴; 黄伙平
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-12
Filing date: 2010-11-12
Publication date: 2011-05-18
Anticipated expiration: 2020-11-12

Abstract

The utility model relates to a valuables touch warning device, which includes a human body induction and detection circuit, a vibration detection circuit, a singlechip control circuit, a voice warning device, and a wireless transmitting circuit, wherein signals collected by the human body induction and detection circuit and the vibration detection circuit are sent to the singlechip control circuit, and the voice warning device and the wireless transmitting circuit are controlled and driven by the singlechip control circuit. The device adopts the human body induction and detection circuit, so as to warn people not to touch valuables when human bodies approach within a certain distance; and the device adopts the vibration detection circuit to collect vibration signals, wireless warning signals are sent to an operator on duty for warning by the singlechip, and the device has the advantages of simple structure, stable performance and strong practical applicability.

Description

A kind of valuables touch warning device

Technical field

The utility model relates to field of electronic devices, particularly relates to a kind of valuables and touches warning device.

Background technology

The valuables of market or the inside, museum, people's touch can cause commodity to damage or destroy original structure, cause economic loss.

The utility model content

The purpose of this utility model provides a kind of audio alert can not touch article with the prompting people valuables touch warning device that has.

The technical scheme that the utility model adopted is such: a kind of valuables touch warning device, comprise human body induction detection circuit, vibration detection circuit, single chip machine controlling circuit, voice alarm circuit, radio transmitter, described human body induction detection circuit, vibration detection circuit with the signal conveys of gathering to single chip machine controlling circuit, single chip machine controlling circuit controlling and driving voice alarm circuit and radio transmitter.

Described human body induction detection circuit is made up of induced electricity pole piece N, technotron TN, NE555 time-base integrated circuit U2.

Described vibration detection circuit adopts 1968 vibration module U6.

Described voice alarm circuit connects LM386 note amplifier U4 by integrated circuit U 3 outputs of JH2010 language, amplifies promotion loudspeaker YD and sends the speech sounds of " do not touch ".

Described radio transmitter adopts FDD-5 transmitter module U5 output to connect antenna, externally launches modulated frequency electromagnetic waves.

By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: this device adopts human body induction detection circuit, when human body when the certain distance, send audio alert and can not touch article, and adopt vibration detection circuit to gather vibration signal, send wireless alarm signal by single-chip microcomputer with prompting, report to the police to the operator on duty, it is simple in structure, and stable performance is practical.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the circuit theory diagrams of the utility model embodiment.

Embodiment

Further specify the utility model below in conjunction with the drawings and specific embodiments.

As shown in Figure 1 and Figure 2, a kind of valuables touch warning device, comprise human body induction detection circuit 1, vibration detection circuit 2, single chip machine controlling circuit 3, voice alarm circuit 4, radio transmitter 5, described human body induction detection circuit 1, vibration detection circuit 2 with the signal conveys of gathering to single chip machine controlling circuit 3, single chip machine controlling circuit 3 controlling and driving voice alarm circuit 4 and radio transmitter 5.

Described human body induction detection circuit 1 is by induced electricity pole piece N, technotron TN, NE555 time-base integrated circuit U2 forms, induced electricity pole piece N output terminal connects technotron TN, be connected to the 4th pin and the 8th pin of NE555 time-base integrated circuit U2 through resistance R 1 by the drain electrode of technotron TN, the source electrode of technotron TN is connected to the 1st pin and the 5th pin of NE555 time-base integrated circuit U2 through adjustable resistance W, the 3rd pin output terminal by NE555 time-base integrated circuit U2 is delivered to single chip machine controlling circuit U1 through resistance R 2, unmanned during near induced electricity pole piece N, the leakage of technotron TN, resistance between the source electrode is less, electric current is bigger, the 2nd pin current potential of NE555 time-base integrated circuit U2 is higher than 2V, the output of single chip machine controlling circuit U1 no signal, as the people during near induced electricity pole piece N, the induced signal of human body can make the leakage of technotron TN, resistance value between the source electrode increases, the 2 pin current potentials of NE555 time-base integrated circuit U2 are lower than 2V, overturn through NE555 time-base integrated circuit U2 internal circuit, its the 3rd pin becomes high level by low level, be input to the 21st pin of single chip machine controlling circuit U1 through resistance R 2, this signal is a high level, divide two-way output through the control of single chip machine controlling circuit U1 internal processes, the first via is from the 2nd end output low level signal of single chip machine controlling circuit U1, through resistance R 4 triode Q1 is ended, the integrated circuit U 3 of JH2010 language, the 2nd pin output audio signal of the integrated circuit U 3 of JH2010 language, through capacitor C 2 couplings, output to the 3rd pin of LM386 note amplifier U4, after LM386 note amplifier U4 internal audio frequency amplifies, be coupled through capacitor C 3 from the 6th pin output signal of LM386 note amplifier U4, amplify promotion loudspeaker YD and send " do not touch " speech sounds; The control of secondary route single chip machine controlling circuit U1 internal processes is from its 25th pin I/O mouth output drive signal, the output low-potential signal makes three utmost point Q3 conductings through resistance R, be input to the 2nd pin of FDD-5 transmitter module U5, be sent to the 3rd pin of FDD-5 transmitter module U5, be modulation signal input end CP, high-frequency signal to emission is modulated, and the 4th pin output of FDD-5 transmitter module U5 connects antenna, externally launches modulated frequency electromagnetic waves.

Described vibration detection circuit 2 bags adopt 1968 vibration module U6, the 2nd pin output of 1968 vibration module U6 connects diode D1, the output of the 3rd pin connects capacitor C 6,6 outputs in parallel are connected resistance R 3 to diode D1 with capacitor C, triode Q2, the collector of triode Q2 is connected to the 28th pin of single chip machine controlling circuit U1, when 1968 vibration module U6 experience vibration signal, can release to the base stage of triode Q2 by resistance R 3 and postpone a period of time, time delay and capacitor C 6, the time constant of resistance R 3 is relevant, the enlargement factor of triode Q1 is to also having a significant impact time delay simultaneously, if 1968 vibration module U6 still are in vibrational state, the 2nd pin output signal of 1968 vibration module U6, this signal ends triode Q2 through resistance R 3, be input to the 28th pin of single chip machine controlling circuit U1, be low level state this moment, divide two-way output through the control of single chip machine controlling circuit U1 internal processes, the first via is from the 2nd end output low level signal of single chip machine controlling circuit U1, through resistance R 4 triode Q1 is ended, the integrated circuit U 3 of JH2010 language, the 2nd pin output audio signal of the integrated circuit U 3 of JH2010 language, through capacitor C 2 couplings, output to the 3rd pin of LM386 note amplifier U4, after LM386 note amplifier U4 internal audio frequency amplifies, be coupled through capacitor C 3 from the 6th pin output signal of LM386 note amplifier U4, amplify promotion loudspeaker YD and send " do not touch " speech sounds.The control of secondary route single chip machine controlling circuit U1 internal processes is from its 25th pin I/O mouth output drive signal, the output low-potential signal makes three utmost point Q3 conductings through resistance R, be input to the 2nd pin of FDD-5 transmitter module U5, be sent to the 3rd pin of FDD-5 transmitter module U5, be modulation signal input end CP, high-frequency signal to emission is modulated, and the 4th pin output of FDD-5 transmitter module U5 connects antenna, externally launches modulated frequency electromagnetic waves.

More than show and described ultimate principle of the present utility model and principal character and advantage thereof; the technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the explanation just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. valuables touch warning device, it is characterized in that: comprise human body induction detection circuit (1), vibration detection circuit (2), single chip machine controlling circuit (3), voice alarm circuit (4), radio transmitter (5), described human body induction detection circuit (1), vibration detection circuit (2) with the signal conveys of gathering to single chip machine controlling circuit (3), single chip machine controlling circuit (3) controlling and driving voice alarm circuit (4) and radio transmitter (5).

2. a kind of valuables according to claim 1 touch warning device, and it is characterized in that: described human body induction detection circuit (1) is made up of induced electricity pole piece N, technotron TN, NE555 time-base integrated circuit U2.

3. a kind of valuables according to claim 1 touch warning device, it is characterized in that: described vibration detection circuit (2) adopts 1968 vibration module U6.

4. a kind of valuables according to claim 1 touch warning device, it is characterized in that: described voice alarm circuit (4) connects LM386 note amplifier U4 by integrated circuit U 3 outputs of JH2010 language, amplifies promotion loudspeaker YD and sends the speech sounds of " do not touch ".

5. touch warning device according to the described a kind of valuables of claim 1, it is characterized in that: described radio transmitter (5) adopts FDD-5 transmitter module U5 output to connect antenna, externally launches modulated frequency electromagnetic waves.