CN104112323B - Circuit board type burglar alarm for cable - Google Patents
Circuit board type burglar alarm for cable Download PDFInfo
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- CN104112323B CN104112323B CN201410362140.3A CN201410362140A CN104112323B CN 104112323 B CN104112323 B CN 104112323B CN 201410362140 A CN201410362140 A CN 201410362140A CN 104112323 B CN104112323 B CN 104112323B
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Abstract
A kind of circuit board type burglar alarm for cable, including casing, power supply, cpu circuit mainboard are positioned at casing, and acoustic-optic alarm is positioned at casing top, and LED alarm lamp and cable termination daughter board are positioned on cabinet panel；Described power supply is connected with cpu circuit mainboard；Described acoustic-optic alarm, LED alarm lamp, cable termination daughter board are connected with cpu circuit mainboard respectively.The present invention is stable and reliable for performance, do not produce misoperation, easy to operate, security is high, protective loop is many, it is low to consume energy, can power-off run, it is adaptable to the industry in big region, civilian, utilities building work overground cable lay the antitheft of period.
Description
Technical field
The invention belongs to the technical field of burglar alarm, be specifically related to a kind of circuit board type burglar alarm for cable.
Background technology
It in electromechanical installation, is often the cable stolen high-incidence season before cable laying to formal power transmission, and the stolen every time of cable causes heavy economic losses to unit in charge of construction again, also bring the wasting of resources to society and encourage bad common practice.The common anti-theft device in market is road lighting cable protection, but is only applicable to supervision and the warning of distance outdoor cable, how in the face of the cable security protection in the construction sites such as industry, civil buildings, public utility is day by day urgent.
Traditional simple type burglar alarm for cable uses auxiliary reclay to detect the break-make of cable loop, and auxiliary reclay can be affected by pressure drop causes misoperation, unstable properties；And report to the police every time and need to pull up auxiliary reclay and could stop, when loop connection is normal, then plugs auxiliary reclay and could recover this loop, operate cumbersome.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of circuit board type burglar alarm for cable, and this device performance is reliable and stable, do not produce misoperation, security is high, easy to operate, and protective loop is many, it is low to consume energy, can power-off run.
The technical scheme is that a kind of circuit board type burglar alarm for cable, including casing, power supply, cpu circuit mainboard are positioned at casing, and acoustic-optic alarm is positioned at casing top, and LED alarm lamp and cable termination daughter board are positioned on cabinet panel；Described power supply is connected with cpu circuit mainboard；Described acoustic-optic alarm, LED alarm lamp, cable termination daughter board are connected with cpu circuit mainboard respectively.
Described cpu circuit mainboard includes constant-current source, single-chip microcomputer and binding post, and described binding post includes power supply terminal, line winding displacement insertion terminal the Ith, line winding displacement insertion terminal II and line winding displacement insertion terminal III；Described constant-current source is connected with single-chip microcomputer, and line winding displacement insertion terminal the Ith, line winding displacement insertion terminal II and line winding displacement insertion terminal III are connected with single-chip microcomputer respectively.
Described power supply is connected with the power supply terminal of cpu circuit mainboard；Described acoustic-optic alarm is connected with line winding displacement insertion terminal I, and LED alarm lamp is connected with line winding displacement insertion terminal II；Described cable termination daughter board is connected with line winding displacement insertion terminal III.
Described power supply is 12V power supply and 6V power supply；12V power supply is respectively constant-current source and single-chip microcomputer is powered, and 6V power supply is that the whole circuit board of cpu circuit mainboard is powered.
Described 12V power supply is that the alternating current of 220V provides through Switching Power Supply, and described 6V power supply is that the alternating current of 220V provides after transformer and rectifying and voltage-stabilizing device.
Described 12V power supply is provided by battery I, and described 6V power supply is provided by battery II.
Further, described cpu circuit mainboard being additionally provided with wireless communication module, wireless communication module is connected with single-chip microcomputer.
Described constant-current source includes the triode of two homotypes.
Described cable termination daughter board is provided with lightning protection piezo-resistance.
Described acoustic-optic alarm includes flash lamp and buzzer, and flash lamp is connected in parallel with buzzer.
The conducting situation of present invention energy round-the-clock detection cable, when certain section of cable is cut off, can send rapidly warning, and beneficially caregiver arrives in fault in-situ as early as possible, uses single-chip microcomputer can be analyzed the on off operating mode of measure loop as detector unit.The present invention is stable and reliable for performance, do not produce misoperation, easy to operate, security is high, protective loop is many, it is low to consume energy, can power-off run, it is adaptable to the industry in big region, civilian, utilities building work overground cable lay the antitheft of period.
Brief description
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the Cleaning Principle figure of embodiment 1.
Detailed description of the invention
Explanation and embodiment illustrate the present invention below in conjunction with the accompanying drawings.
Embodiment 1
A kind of circuit board type burglar alarm for cable, including casing, as it is shown in figure 1, power supply, cpu circuit mainboard 4 are positioned at casing, acoustic-optic alarm 7 is positioned at casing top, and LED alarm lamp 8 and cable termination daughter board 9 are positioned on cabinet panel.Power supply is connected with cpu circuit mainboard 4；Acoustic-optic alarm the 7th, LED alarm lamp the 8th, cable termination daughter board 9 is connected with cpu circuit mainboard 4.
Power supply includes 12V power supply and 6V power supply.12V power supply can be that the 12V that the AC conversion of 220V is direct current is obtained by Switching Power Supply, and 12V power supply can also is that to be provided by battery I 6.6V power supply can be that the alternating current of 220V obtains after transformer 12 and rectifying and voltage-stabilizing device 13, can also is that and is provided by battery II 5.The alternating current of 220V needs through air switch 1 and lightning protection piezo-resistance 2 before entering this device, air switch 1 is～220V/16A, and the electric pressure of lightning protection piezo-resistance 2 is AC430V, and lightning protection piezo-resistance 2 can protect whole device from thunderbolt.The battery pack that battery II 5 is DC6V/4000mAh, the battery pack that battery I 6 is DC6V/8000mAh.Battery I 5 and battery II 6 are provided with the protection circuit of resistance and diodes in parallel to power device before powering, and this protection circuit not only plays the role of filtering, and can be with protection circuit when alternating current power-off.
Cpu circuit mainboard 4 includes constant-current source the 10th, single-chip microcomputer 11 and binding post, and binding post includes power supply terminal, line winding displacement insertion terminal I 14, line winding displacement insertion terminal II 15 and line winding displacement insertion terminal III 16.Power supply is connected with the power supply terminal of cpu circuit mainboard.Power supply terminal is provided with four, is connected with Switching Power Supply, air switch the 1st, battery II5, battery I6 respectively.Transformer 12 and rectifying and voltage-stabilizing device 13 are located at the rear end of power supply terminal, are i.e. located on cpu circuit mainboard 4.Transformer 12 front end is provided with lightning protection piezo-resistance connected in parallel.The alternating current of 220V is converted to the direct current of 6V through transformer 12 and rectifying and voltage-stabilizing device 13, then provides power supply for cpu circuit mainboard 4.Constant-current source 10 one end is connected with 12V power supply terminal, and constant-current source 10 other end is connected with single-chip microcomputer 11, and single-chip microcomputer 11 is connected with line winding displacement insertion terminal I 14, line winding displacement insertion terminal II 15 and line winding displacement insertion terminal III 16 respectively.Constant-current source 10 is made up of triode and the resistance of two homotypes, such that it is able to provide stable electric current for single-chip microcomputer 11.
Acoustic-optic alarm 7 is connected with line winding displacement insertion terminal I 14, and LED alarm lamp 8 is connected with line winding displacement insertion terminal II 15.Acoustic-optic alarm 7 includes flash lamp and buzzer, and flash lamp is connected in parallel with buzzer.The LED light of LED alarm lamp 8 is DC12V, and color is redness.The way of the number of LED light and measure loop matches, i.e. each LED light is connected with a cable detection loop.Cable termination daughter board 9 has 32 binding posts, UK type, 2.5mm2.Cable termination daughter board 9 has 16 docking line ends, can connect the cable of 16 head and the tail concatenations, and therefore LED alarm lamp 8 has 16 LED lights.Each terminals of cable termination daughter board 9 are all serially connected with lightning protection piezo-resistance, and the other end of lightning protection piezo-resistance is connected with ground, i.e. cable termination daughter board 9 has made lightning protection process.Cable termination daughter board 9 is connected with line winding displacement insertion terminal III 16, and therefore line winding displacement insertion terminal III 16 has 32 terminals.
Its Cleaning Principle figure is as in figure 2 it is shown, the power supply of 12V is constant-current source 10 and single-chip microcomputer 11 provides power supply.Cable 17 to be detected concatenates with constant-current source 10, and totally 16 groups of cables 17 connect and compose 16 groups of measure loop respectively with constant-current source 10, and constant-current source 10 is connected with the incoming line of single-chip microcomputer 11.LED alarm lamp 8 includes 16 groups of LED lights, and each measure loop controls the LED light of a LED alarm lamp 8 by single-chip microcomputer 11.Powering up to cable 17 by 16 groups of constant-current sources 10, fixed current is 10mA.Constant-current source 10 detects whether cable 17 connects, and when cable 17 is normal, then the optocoupler path signal of constant-current source 10 inputs to single-chip microcomputer 11, and this signal is judged by single-chip microcomputer 11, belongs to normal condition, and acoustic-optic alarm 7 is not reported to the police and LED alarm lamp 8 is not glittering；When there is open circuit in cable 17, the optocoupler path signal of constant-current source 10 inputs to single-chip microcomputer 11, this signal is judged by single-chip microcomputer 11, belong to abnormal condition, the LED alarm lamp 8 of the measure loop at place is glittering, acoustic-optic alarm 7 starts to report to the police simultaneously, and its buzzer sends the sound, flash lamp starts glittering.
The course of work: the present invention is arranged in switchgear house (), connects～220V power supply；This device is started working, and accesses the cable 17 of head and the tail concatenation on the connection jaws on cable termination daughter board 9；Opening air switch 1, this device is started working, and i.e. starts to detect the cable 17 accessing；If certain road cable is stolen or open circuit fault occurs, single-chip microcomputer 11 triggers acoustic-optic alarm 7 after contrast detection, and acoustic-optic alarm 7 sends alarm, and meanwhile, on LED alarm lamp 8, the red led of corresponding circuit is glittering；Pull out the plug being connected with acoustic-optic alarm 7, eliminate alarm；When pending fault recovers, on LED alarm lamp 8, the red led of corresponding circuit knocks out, and plugs the plug being connected with acoustic-optic alarm 7, and this device works on.
Working power of the present invention is the dc source of 12V and 6V, has ensured the safety of the person.Power to power supply after being generally depressured through Switching Power Supply, transformer and rectifying and voltage-stabilizing device by the alternating current of 220V, battery I 5 and battery II 6 charging can be given simultaneously.When switchgear house () has a power failure, battery I 5 and battery II 6 automatically engage work, typically can work about 6 hours, and when being effectively prevented power failure, this device can not the defect of alert operation.Further, since use single-chip microcomputer 11, can automatically compare on off operating mode, operation sequence is simpler than auxiliary reclay formula a lot.Using constant-current source 10, can ignoring the length of cable, remain to normally work within 1.2k Ω, the misoperation that may be caused by pressure drop more than relay, performance is more stable.Also have the operating ratio using the micro-electric current of single-chip microcomputer more can increase the service life by working under relay coil adhesive.
Embodiment 2
Transformer and rectifying and voltage-stabilizing device are located at the front end of power supply terminal, and transformer and rectifying and voltage-stabilizing device are not located on cpu circuit mainboard.The alternating current of 220V is directly connected to transformer and rectifying and voltage-stabilizing device after air switch, transformer and rectifying and voltage-stabilizing device are by after power supply that the AC conversion of 220V is 6V, accessing the power supply terminal of cpu circuit mainboard again, can being then cpu circuit main board power supply, other be same as in Example 1.
Embodiment 3
Being additionally provided with wireless communication module on cpu circuit mainboard, wireless communication module is connected with single-chip microcomputer, and wireless communication module is connected with host computer.Host computer is arranged in switchgear house ().When single-chip microcomputer sends warning, the information that the cable loop of open circuit occurs is transferred to wireless communication module and host computer by single-chip microcomputer, wireless communication module in host computer processes information, operating personnel are according to the information being provided, export control signal by host computer, will send information to mobile terminal eventually through wireless communication module.Staff near cable receives the information that mobile terminal sends can find the cable location that open circuit occurs faster.It is thus possible to arrive at faster, it is achieved process earlier.Other are same as in Example 1.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention being not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1. a circuit board type burglar alarm for cable, including casing, it is characterised in that power supply, CPU circuit main board (4) are positioned at casing, acoustic-optic alarm (7) is positioned at casing top, and LED alarm lamp (8) and cable termination daughter board (9) are positioned on cabinet panel；Described power supply is connected with CPU circuit main board (4)；Described acoustic-optic alarm (7), LED alarm lamp (8), cable termination daughter board (9) are connected with CPU circuit main board (4) respectively；Described CPU circuit main board (4) includes constant-current source (10), single-chip microcomputer (11) and binding post, and described binding post includes power supply terminal, line winding displacement insertion terminal I (14), line winding displacement insertion terminal II (15) and line winding displacement insertion terminal III (16)；Described constant-current source (10) is connected with single-chip microcomputer (11), and line winding displacement insertion terminal I (14), line winding displacement insertion terminal II (15) and line winding displacement insertion terminal III (16) are connected with single-chip microcomputer (11) respectively；Described power supply is connected with the power supply terminal of CPU circuit main board (4)；Described acoustic-optic alarm (7) is connected with line winding displacement insertion terminal I (14), and LED alarm lamp (8) is connected with line winding displacement insertion terminal II (15)；Described cable termination daughter board (9) is connected with line winding displacement insertion terminal III (16)；Described power supply includes 12V power supply and the 6V power supply of direct current；12V power supply is respectively constant-current source (10) and single-chip microcomputer (11) power supply, and 6V power supply is that the whole circuit board of CPU circuit main board (4) is powered.
2. the circuit board type burglar alarm for cable according to claim 1, it is characterized in that, described 12V power supply is that the alternating current of 220V provides through Switching Power Supply (3), and described 6V power supply is that the alternating current of 220V provides through transformer (12) and rectifying and voltage-stabilizing device (13).
3. the circuit board type burglar alarm for cable according to claim 1, it is characterised in that described 12V power supply is provided by battery I (6), described 6V power supply is provided by battery II (5).
4. the circuit board type burglar alarm for cable according to claim 1, it is characterised in that being additionally provided with wireless communication module on described CPU circuit main board (4), wireless communication module is connected with single-chip microcomputer.
5. the circuit board type burglar alarm for cable according to claim 1, it is characterised in that described constant-current source (10) includes the triode of two homotypes.
6. the circuit board type burglar alarm for cable according to claim 1, it is characterised in that described cable termination daughter board (9) is provided with lightning protection piezo-resistance.
7. the circuit board type burglar alarm for cable according to claim 1, it is characterised in that described acoustic-optic alarm (7) includes flash lamp and buzzer, and flash lamp is connected in parallel with buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362140.3A CN104112323B (en) | 2014-07-28 | 2014-07-28 | Circuit board type burglar alarm for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362140.3A CN104112323B (en) | 2014-07-28 | 2014-07-28 | Circuit board type burglar alarm for cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104112323A CN104112323A (en) | 2014-10-22 |
| CN104112323B true CN104112323B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410362140.3A Active CN104112323B (en) | 2014-07-28 | 2014-07-28 | Circuit board type burglar alarm for cable |
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| CN (1) | CN104112323B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107876939B (en) * | 2017-11-07 | 2019-09-03 | 舒琦 | A kind of novel independent power supply of inverter type welder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259003Y (en) * | 1996-01-09 | 1997-08-06 | 济南市电信局 | Anti-theft alarm device for communication cable |
| CN2241344Y (en) * | 1996-01-29 | 1996-11-27 | 济南市电信局 | Communication cable theft-proof alarm device |
| CN201853303U (en) * | 2010-12-02 | 2011-06-01 | 葛学亮 | Anti-theft alarm |
| CN202177959U (en) * | 2011-08-23 | 2012-03-28 | 邯郸市隆达利科技发展有限公司 | Cable burglar alarm of passive streetlight |
| CN204044955U (en) * | 2014-07-28 | 2014-12-24 | 中建七局安装工程有限公司 | Circuit board type burglar alarm for cable |
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- 2014-07-28 CN CN201410362140.3A patent/CN104112323B/en active Active
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| CN104112323A (en) | 2014-10-22 |
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