CN201435120Y - Fully-automatic cable anti-theft alarm - Google Patents
Fully-automatic cable anti-theft alarm Download PDFInfo
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- CN201435120Y CN201435120Y CN2009203072472U CN200920307247U CN201435120Y CN 201435120 Y CN201435120 Y CN 201435120Y CN 2009203072472 U CN2009203072472 U CN 2009203072472U CN 200920307247 U CN200920307247 U CN 200920307247U CN 201435120 Y CN201435120 Y CN 201435120Y
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Abstract
The utility model relates to a fully-automatic cable anti-theft alarm, which comprises an anti-theft cable, a singlechip, a stabilized power supply circuit, a current measurement circuit, a voice recording and reproducing circuit, a call or busy tone detection circuit, a telephone circuit, an optical MOS relay, an analog switch and the like, wherein the single chip is connected with the stabilizedpower supply circuit, the current measurement circuit, the voice recording and reproducing circuit, the call or busy tone detection circuit and the analog switch; the current measurement circuit is connected with the anti-theft cable, the stabilized power supply circuit and the AQY275(A) optical MOS relay; and the anti-theft cable comprises two special lines for detecting if the cable is stolen,and a plurality of resistors are connected between the two special lines. The fully-automatic cable anti-theft alarm can automatically and timely report the exact place where the cable is stolen in voice.
Description
Technical field
The utility model belongs to the burglar alarm technical field, and particularly a kind of cable full-automatic cable stolen and the stolen accurate position of report cable of can discerning is automatically stolen the feelings alarm.
Background technology
At present, the stolen incident of cable happens occasionally, and this not only causes very big economic loss to country, has caused also for simultaneously the life of people's ordinary production and has a strong impact on.At this situation, various anti-theft alarm for cable arise at the historic moment.When cable is stolen, these anti-theft alarm for cable can only sound the alarm, and can not carry out audio alert, particularly can not determine the accurate place that cable is stolen, and manually when reporting to the police participating in morely, aspects such as its automaticity await further to improve.
Summary of the invention
The utility model is at the defective of above-mentioned prior art, and provide a kind of full-automatic cable to steal the feelings alarm, it can report cable stolen place with the voice of hommization timely and accurately, from the stolen detection of cable, determine that overall processes such as stolen place and notice cable maintenance personnel report to the police steal the feelings alarm by full-automatic cable and finish automatically, need not manually participate in.In addition when stolen cable after the cable maintenance personnel repair operate as normal, full-automatic cable is stolen the feelings alarm and is recovered normal operating conditions automatically.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of full-automatic cable is stolen the feelings alarm, it is made up of antitheft cable, single-chip microcomputer, voltage-stabilized power supply circuit, current measurement circuit, audio record circuit, call or busy tone testing circuit, telephone set network, light MOS relay, analog switch etc., and it is characterized in that: single-chip microcomputer is connected with voltage-stabilized power supply circuit, current measurement circuit, audio record circuit, call or busy tone testing circuit, analog switch; Voltage-stabilized power supply circuit be input as 220 volts of alternating voltages, export+3 volts ,+9 volts and+12 volts of 3 groups of DC voltage; Current measurement circuit is connected with antitheft cable, voltage-stabilized power supply circuit, AQY275 (A) type light MOS relay; Current measurement circuit is that core constitutes with digital multimeter special chip MAX134, and by 3 address wire A0, A1, A2,4 data lines D0, D1, D2, D3, read control signal READ, write control signal WRITE, and an A/D EOC status signal EOC is connected with single-chip microcomputer; The MAX4626 pattern is intended switch and is connected with 27 pin of single-chip microcomputer by resistance; AQW272 (A) type light MOS relay is connected with single-chip microcomputer by resistance respectively with AQY275 (A) type light MOS relay; Audio record circuit is connected with single-chip microcomputer, telephone line; Comprise two industrial sidings in the antitheft cable, be respectively industrial siding A and industrial siding B, connected many resistance between them, the resistance of the resistance that these are connected in parallel is 20K Ω, faces two distances between the resistance mutually and is 1 kilometer.
Described current measurement circuit, it is used for measuring the electric current of industrial siding A.
Described audio record circuit is selected WTR-S4 catalog playback module for use.
Described audio record circuit, it is connected with teleset line by electric capacity.
Described call or busy tone testing circuit, it directly links to each other with teleset line, and is connected with 15 pin of single-chip microcomputer.
Described single-chip microcomputer is selected macrocrystalline STC12 series STC12LE5024 type single-chip microcomputer for use.
Described single-chip microcomputer, it adopts serial communication mode to the transmission of audio record circuit control command.
Described AQW272 (A) type light MOS relay, it is used to control the break-make of teleset line between telephone set outside line and teleset line.
Described voltage-stabilized power supply circuit, its output+the 12V DC voltage provides power supply for the resistance in the antitheft cable, + 9V DC voltage provides power supply for current measurement circuit, and+3V DC voltage provides power supply for audio record circuit, single-chip microcomputer, call or busy tone testing circuit, analog switch.
Described call or busy tone testing circuit are made up of diode rectifier circuit D21, capacitor filter C22, stabilivolt mu balanced circuit D22, photoelectrical coupler U21 and some resistance.
The beneficial effects of the utility model are: full-automatic cable is stolen the feelings alarm can be automatically in time with the stolen definite place of voice report cable, for the offender of the cable that hits out against theft fast provides advantage.
Description of drawings
Fig. 1 is a circuit structure diagram of the present utility model.
Fig. 2 is call or busy tone testing circuit figure.
Fig. 3 is the program flow diagram that full-automatic cable is stolen the feelings alarm.
Embodiment
In Fig. 1, antitheft cable is to have increased by two antitheft industrial sidings and constitute on the basis of common cable, and many resistances that have been connected in parallel between these two antitheft industrial sidings are the resistance of 20K Ω.
Select macrocrystalline STC12 series STC12LE5024 type single-chip microcomputer for use, have the 4KFLASH program storage in this single-chip microcomputer sheet, 256 byte RAM data-carrier stores.
Current measurement circuit adopts the digital multimeter special chip MAX134 of MAXIM company, this chip internal is not only integrated A/D converter, but also comprise most of analog switches that whole digital multimeter is required and one four microprocessor data interface, the digital interface of MAX134 has 10 pins, be connected with single-chip microcomputer by these 10 pins, they are respectively 3 address wire A0, A1, A2,4 data lines D0, D1, D2, D3, read control signal READ, write control signal WRITE, and an A/D EOC status signal EOC.MAX134 carries out an A/D conversion needs about 20 milliseconds, and after conversion finished, its 9 pin EOC exported 1 positive pulse.The analog switch that MAX134 is inner integrated is very beneficial for the Digital Control of digital multimeter and the realization of automatic range.The control bit of analog switch is to be mapped to the internal register corresponding positions, realizes control to analog switch by write corresponding control word to register, thereby forms corresponding measurement function and range circuit.Writing (WRITE is set to low level) under the pattern, can select each register respectively by three address wires, corresponding control word can be write MAX134 inside successively by four data lines, finish function and range and set.With this chip is core, and design has realized a kind of current measurement circuit with digital versatile list structure that can measure electric current.
Audio record circuit is selected WTR-S4 catalog playback module for use, and under the control of single-chip microcomputer, this module can segmentation recording and playback.WTR-S4 catalog playback module works in three-way serial ports control model.Single-chip microcomputer carries out recording playback sound control system by P10, P11, the P12 pin of WTR-S4 catalog playback module to it, wherein P10 is the input pin of chip selection signal CS, P11 is the input pin of clock signal clk, P12 is the input pin of serial data DATA, and these serial datas are control commands that single-chip microcomputer sends WTR-S4 catalog playback module.FA00H is the recording order; FC**H is a reproduction command, and * * represents the segment number play here; The FD**H section of being erase command, * * represents the segment number that is wiped free of here; F500H is whole erase commands; F400H is for stopping the recording order.The recording input end of WTR-S4 catalog playback module can directly be connected with microphone MIC and carries out live recording.
When using for the first time full-automatic cable to steal the feelings alarm, at first the stolen address of cable name is recorded, the stolen address of cable name is selected in the centre position that antitheft cable faces two resistance mutually respectively.Because antitheft cable faces two resistance mutually at a distance of 1 kilometer, so can calculate the number of resistance in the antitheft cable according to the length of cable.If total N resistance then can be provided with N-1 the stolen address of cable name in the antitheft cable, simultaneously antitheft cable is divided into the N-1 section, the numbering of each section is respectively 1,2,3 ..., N-1.In Fig. 1, K1 is a record button, and K2 is for stopping record button.When K1 key closure is recorded, the pin 1 of single-chip microcomputer becomes low level, after single-chip microcomputer inquires this state, single-chip microcomputer makes its pin 5 output shift pulses, send whole erase command F500H by pin 4 to audio record circuit simultaneously, postpone 400 μ s and wipe end, send recording order FA00H again, recording this moment personnel can utilize microphone MIC to record, the 1st the stolen address of cable name deposited in the FLASH storer of audio record circuit, this address star behind this section End of Tape, will stop record button K2 closure as the 1st section recording in the FLASH storer, single-chip microcomputer 2 pin become low level, after single-chip microcomputer inquires this state, send to stop to record to WTR-S4 catalog playback module immediately and order F400H, the 1st section recording so far finished.When recording the 2nd the stolen address of cable name, should stop record button K2 and disconnect, this moment, K1 was still closed, after single-chip microcomputer inquires this state, sent the recording order to WTR-S4 catalog playback module immediately, and can utilize microphone MIC to record the 2nd section voice this moment.The 2nd the stolen address of cable name deposited in the FLASH storer of audio record circuit.Successively the stolen address of all the other cables name is deposited in respectively as stated above the FLASH storer the 3rd, 4 ..., in the N-1 section.At last K1, K2 are all disconnected, to finish Recording Process.
Stolen when cable, after full-automatic cable robber feelings alarm dialled automatically, call or busy tone testing circuit were used for detecting telephone line and whether have calling or busy-back signal among Fig. 2.Call out or busy-back signal if exist in the telephone line, then call out or busy-back signal through rectification circuit D21 rectification, capacitor C 22 filtering, changing DC voltage after the stabilivolt D22 voltage stabilizing into provides power supply for photoelectrical coupler U21, phototriode conducting among the photoelectrical coupler U21, G holds output low level.Because the G of photoelectrical coupler U21 end links to each other with 15 pin P2.6 of single-chip microcomputer, so 15 pin P2.6 of single-chip microcomputer are low level.Do not call out or busy-back signal if do not exist in the telephone line, according to above-mentioned analysis as can be known, 15 pin P2.6 of single-chip microcomputer are high level.
The principle of work of full-automatic cable being stolen the feelings alarm below in conjunction with accompanying drawing is described further.
Single-chip microcomputer is recorded stolen cable address name after starting initialization if desired, should according to above-mentioned analysis, can directly utilize microphone MIC that stolen cable address name is recorded K1 key closure; If do not need recording, the K1 key should be disconnected, single-chip microcomputer enters whether stolen state of inquiry cable automatically.Single-chip microcomputer makes pin 12 output high level, AQY275 (A) type light MOS relay obtains power supply and works, make 3 pin and 4 pin conductings, obtain electric current among the industrial siding A, single-chip microcomputer sends the current measurement order to MAX134 subsequently, current measurement circuit just begins to measure the electric current among the industrial siding A, and the A/D change-over circuit by MAX134 is converted to digital quantity with the current value among the industrial siding A.Whether single-chip microcomputer finishes with the identification conversion by the state of 9 pin EOC among the inquiry MAX134, when 9 pin EOC are high level, EOC is described, single-chip microcomputer reads the transformation result of MAX134 chip A/D immediately, and the digital quantity of transformation result deposited among the register R6 of single-chip microcomputer, 12 pin of single-chip microcomputer revert to low level simultaneously, and electric current is zero among the industrial siding A, to reduce power consumption.Deposit current data among the single-chip microcomputer register R6 in and be cable normal current value (abbreviation normal value) among industrial siding A when not stolen.After the single-chip microcomputer operate as normal, the electric current among industrial siding A of every interval duplicate measurements in two seconds, and with current value (abbreviation measured value) among the current industrial siding A that measures with deposited that normal current data compares among the single-chip microcomputer register R6 in.If measured value equates with normal value, illustrate that cable is not stolen, be in normal operating conditions; If measured value and normal value are unequal, illustrate that cable is stolen.Because after cable was stolen, the length of cable reduced, cause the quantity of parallel resistance in the antitheft cable to reduce, the electric current in the antitheft cable among the industrial siding A reduces, and can determine the stolen place of cable according to the measured value of electric current among the industrial siding A of the stolen back of cable.Its method is: the hop count K at place, the stolen place of cable is: K=measured value ÷ 0.6 (unit of measured value is " milliampere " here).The current data that cable is recorded among the industrial siding A after stolen deposits among the register R7 of single-chip microcomputer.
For simplified design, in Fig. 1, compared obvious difference with ordinary telephone set by the particular electrical phone that telephone set network constitutes, its key distinction is the particular electrical phone because of need not ring, so lack ringing circuit and switch hook, the only desirable electricity work of particular electrical phone just is equivalent to ordinary telephone set and is in off hook state.After confirming that cable is stolen, single-chip microcomputer calculates the hop count K at place, the stolen place of cable at first automatically, single-chip microcomputer makes 13 pin P2.5 output high level then, AQW272 (A) type light MOS relay gets electric work, 7 pin and 8 pin conductings, also conducting simultaneously of 5 pin and 6 pin simultaneously, therefore telephone set network and outside line are connected, telephone set network obtains supply voltage and works, be equivalent to ordinary telephone set and be in off hook state this moment, and single-chip microcomputer makes 27 pin P2.1 output high level then, and then 4 pin of MAX4626 pattern plan switch are high level, its normally opened contact closure, promptly the MAX4626 pattern is intended 1 of switch, 2 pin conductings.Because intending 1,2 pin of switch, the MAX4626 pattern is connected with two contacts of certain memory button of telephone set respectively, and in telephone set, pre-deposited telephone number with the corresponding cable maintenance personnel of this memory button, so after 1, the 2 pin conductings of analog switch, telephone set will send cable maintenance personnel's telephone number automatically.If the cable maintenance personnel can not receive calls for some reason, then will exist in the telephone line and call out or busy-back signal, according to above-mentioned analysis to call or busy tone testing circuit as can be known, 15 pin P2.6 of single-chip microcomputer are low level.Every subsequently interval 1 second, whether 15 pin P2.6 of inquiry single-chip microcomputer still are low level, after inquiring about 10 times at most, if 15 pin P2.6 of single-chip microcomputer still are low level, illustrating this time can not normal talking, and single-chip microcomputer makes 13 pin P2.5 output low levels immediately, AQW272 (A) type light MOS relay electric-loss and quitting work, telephone line and outside line disconnect, and this is equivalent to the ordinary telephone set on-hook.Postpone two seconds then, under the control of single-chip microcomputer, repeat above-mentioned dialing procedure, till dialing back single-chip microcomputer detects 15 pin P2.6 and is high level, illustrate not had calling or busy-back signal in the telephone line this moment that cable maintenance personnel receive calls.Single-chip microcomputer will send chip selection signal CS and the clock signal clk and the reproduction command FC**H of audio record circuit immediately, here the number of the sexadecimal form of the * * stolen place of the cable place hop count K that to be above-mentioned single-chip microcomputer calculate according to the measured value of electric current.Audio record circuit sends to the recording of the stolen address of the cable name of the correspondent section prerecorded in the telephone line, thereby the cable maintenance personnel learn the stolen place of cable and take immediate steps.
After full-automatic cable robber feelings alarm is reported to the police to the stolen incident of cable, automatically delaying waited the maintainer in 30 minutes and repairs cable, then by measuring the electric current among the industrial siding A, whether recover normal with detection streamer, reverted to the normal value of single-chip microcomputer when just having started if record electric current, illustrated that cable is repaired and operate as normal, under the control of program, full-automatic cable is stolen the feelings alarm will recover normal operating conditions automatically, and the electric current among the cable industrial siding A was measured at promptly every interval in 2 seconds one time; If the normal value (data among the single-chip microcomputer register R6) when recording current data among the cable industrial siding A and single-chip microcomputer and just having started is unequal, single-chip microcomputer compares this current data and the current data that deposits among the register R7 again.Divide following two kinds of situations explanation according to comparative result: first kind of situation, if the current current data that records among the cable industrial siding A equates with current data among the register R7, cable reparation is described, cable still is in the state after stolen, electric current among the automatic every interval 10 minutes detection industrial sidings A of single-chip microcomputer is repaired normally until cable.Second kind of situation, if current current data and the current data among the register R7 that records among the industrial siding A is unequal, explanation is under the stolen situation of not repairing of the cable first time, taken place again that for the second time cable is stolen, the current data that single-chip microcomputer will record at this moment deposits among the register R7, the former data that deposit among the register R7 are capped and remove automatically, and single-chip microcomputer carries out the stolen audio alert of cable for the second time by above-mentioned with quadrat method then.
After electric current among the industrial siding A reverts to the normal value of single-chip microcomputer when just having started, though twice current data deposited in respectively among register R6, the register R7, but because this moment, the current data that records equated with data among the register R6, the register zero clearing of number of times stored current data automatically by single-chip microcomputer, so it is stolen and after repairing at cable, even the offender stole cable again in same place again afterwards, full-automatic cable is stolen the feelings alarm and also can be reported to the police automatically.After cable is repaired in addition, along with the electric current among the industrial siding A reverts to the normal value of single-chip microcomputer when just having started, full-automatic cable is stolen the feelings alarm and is reverted to normal operating conditions automatically, and whether the electric current among the two seconds detection streamer industrial sidings A of promptly every interval once, stolen with the identification cable.
Claims (10)
1. a full-automatic cable is stolen the feelings alarm, it is made up of antitheft cable, single-chip microcomputer, voltage-stabilized power supply circuit, current measurement circuit, audio record circuit, call or busy tone testing circuit, telephone set network, light MOS relay, analog switch etc., and it is characterized in that: single-chip microcomputer is connected with voltage-stabilized power supply circuit, current measurement circuit, audio record circuit, call or busy tone testing circuit, analog switch; Voltage-stabilized power supply circuit be input as 220 volts of alternating voltages, export+3 volts ,+9 volts and+12 volts of 3 groups of DC voltage; Current measurement circuit is connected with antitheft cable, voltage-stabilized power supply circuit, AQY275 (A) type light MOS relay; Current measurement circuit is that core constitutes with digital multimeter special chip MAX134, and by 3 address wire A0, A1, A2,4 data lines D0, D1, D2, D3, read control signal READ, write control signal WRITE, and an A/D EOC status signal EOC is connected with single-chip microcomputer; The MAX4626 pattern is intended switch and is connected with 27 pin of single-chip microcomputer by resistance; AQW272 (A) type light MOS relay is connected with single-chip microcomputer by resistance respectively with AQY275 (A) type light MOS relay; Audio record circuit is connected with single-chip microcomputer, telephone line; Comprise two industrial sidings in the antitheft cable, be respectively industrial siding A and industrial siding B, connected many resistance between them, the resistance of the resistance that these are connected in parallel is 20K Ω, faces two distances between the resistance mutually and is 1 kilometer.
2. full-automatic cable according to claim 1 is stolen the feelings alarm, and it is characterized in that: described current measurement circuit, it is used for measuring the electric current of industrial siding A.
3. full-automatic cable according to claim 1 is stolen the feelings alarm, it is characterized in that: described audio record circuit, select WTR-S4 catalog playback module for use.
4. full-automatic cable according to claim 1 is stolen the feelings alarm, and it is characterized in that: described audio record circuit, it is connected with teleset line by electric capacity.
5. full-automatic cable according to claim 1 is stolen the feelings alarm, and it is characterized in that: described call or busy tone testing circuit, it directly links to each other with teleset line, and is connected with 15 pin of single-chip microcomputer.
6. full-automatic cable according to claim 1 is stolen the feelings alarm, it is characterized in that: described single-chip microcomputer, select macrocrystalline STC12 series STC12LE5024 type single-chip microcomputer for use.
7. full-automatic cable according to claim 1 is stolen the feelings alarm, it is characterized in that: described single-chip microcomputer, it adopts serial communication mode to the transmission of audio record circuit control command.
8. full-automatic cable according to claim 1 is stolen the feelings alarm, and it is characterized in that: described AQW272 (A) type light MOS relay, it is used to control the break-make of teleset line between telephone set outside line and teleset line.
9. full-automatic cable according to claim 1 is stolen the feelings alarm, it is characterized in that: described voltage-stabilized power supply circuit, its output+the 12V DC voltage provides power supply for the resistance in the antitheft cable, + 9V DC voltage provides power supply for current measurement circuit, and+3V DC voltage provides power supply for audio record circuit, single-chip microcomputer, call or busy tone testing circuit, analog switch.
10. full-automatic cable according to claim 1 is stolen the feelings alarm, it is characterized in that: described call or busy tone testing circuit, form by diode rectifier circuit D21, capacitor filter C22, stabilivolt mu balanced circuit D22, photoelectrical coupler U21 and some resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203072472U CN201435120Y (en) | 2009-08-03 | 2009-08-03 | Fully-automatic cable anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203072472U CN201435120Y (en) | 2009-08-03 | 2009-08-03 | Fully-automatic cable anti-theft alarm |
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| Publication Number | Publication Date |
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| CN201435120Y true CN201435120Y (en) | 2010-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009203072472U Expired - Fee Related CN201435120Y (en) | 2009-08-03 | 2009-08-03 | Fully-automatic cable anti-theft alarm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855723A (en) * | 2011-06-30 | 2013-01-02 | 宝山钢铁股份有限公司 | Device and method for monitoring stealing cutting prevention of power cables of motor |
| CN108986361A (en) * | 2018-09-07 | 2018-12-11 | 泉州南石高速公路有限责任公司 | A kind of highway Stealing-proof Alarming System for Power Cable and anti-theft alarming method |
-
2009
- 2009-08-03 CN CN2009203072472U patent/CN201435120Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855723A (en) * | 2011-06-30 | 2013-01-02 | 宝山钢铁股份有限公司 | Device and method for monitoring stealing cutting prevention of power cables of motor |
| CN102855723B (en) * | 2011-06-30 | 2014-10-01 | 宝山钢铁股份有限公司 | Device and method for monitoring stealing cutting prevention of power cables of motor |
| CN108986361A (en) * | 2018-09-07 | 2018-12-11 | 泉州南石高速公路有限责任公司 | A kind of highway Stealing-proof Alarming System for Power Cable and anti-theft alarming method |
| CN108986361B (en) * | 2018-09-07 | 2020-05-05 | 泉州南石高速公路有限责任公司 | Highway power cable anti-theft alarm system and anti-theft alarm method |
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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: 20100331 Termination date: 20120803 |