CN204044955U - Circuit board type burglar alarm for cable - Google Patents
Circuit board type burglar alarm for cable Download PDFInfo
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- CN204044955U CN204044955U CN201420417809.XU CN201420417809U CN204044955U CN 204044955 U CN204044955 U CN 204044955U CN 201420417809 U CN201420417809 U CN 201420417809U CN 204044955 U CN204044955 U CN 204044955U
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- power supply
- cable
- circuit board
- alarm
- winding displacement
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Abstract
A kind of circuit board type burglar alarm for cable, comprise 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 utility model 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, and is applicable to the industry of large regions, civilian, utilities building work overground cable lays the antitheft of period.
Description
Technical field
The utility model belongs to the technical field of burglar alarm, is specifically related to a kind of circuit board type burglar alarm for cable.
Background technology
In electromechanical installation, cable laying is to cable stolen high-incidence season often before formal power transmission, and the at every turn stolen of cable causes heavy economic losses to unit in charge of construction again, also brings the wasting of resources to society and encourages 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 long distance outdoor cable, and the cable security how in the face of building ground such as industry, covil construction, public utilities protects day by day urgent.
Traditional simple type burglar alarm for cable uses auxiliary reclay to carry out the break-make in detection streamer loop, and auxiliary reclay can cause misoperation by the impact of pressure drop, unstable properties; And each warning needs to pull up auxiliary reclay and could stop, when loop connection is normal, then plug auxiliary reclay and could recover this loop, operate and comparatively bother.
Utility model content
The technical problems to be solved in the utility model 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 many, consume energy low, can power-off run.
The technical solution of the utility model is: a kind of circuit board type burglar alarm for cable, comprise 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 comprises constant current source, single-chip microcomputer and connection terminal, and described connection terminal comprises power supply terminal, line winding displacement insertion terminal I, 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 I, line winding displacement insertion terminal II are connected with single-chip microcomputer respectively with line winding displacement insertion terminal III.
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 obtains through Switching Power Supply, and described 6V power supply is that the alternating current of 220V obtains after transformer and rectifying and voltage-stabilizing device.
Described 12V power supply is provided by accumulator I, and described 6V power supply is provided by accumulator II.
Described constant current source comprises the triode of two homotypes.
Described cable termination daughter board is provided with lightning protection voltage dependent resistor (VDR).
Described acoustic-optic alarm comprises flashlamp and hummer, and flashlamp and hummer are connected in parallel.
The conducting situation of the round-the-clock detection streamer of the utility model energy, when certain section of cable is cut off, warning can be sent rapidly, be conducive to nurse personnel and arrive in fault in-situ as early as possible, adopt single-chip microcomputer can be analyzed the on off operating mode of measure loop as detecting unit.The utility model 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, and is applicable to the industry of large regions, civilian, utilities building work overground cable lays the antitheft of period.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the Cleaning Principle figure of embodiment 1.
Embodiment
Illustrate below in conjunction with accompanying drawing and illustrate the utility model with embodiment.
Embodiment 1
A kind of circuit board type burglar alarm for cable, comprise casing, as shown in Figure 1, power supply, cpu circuit mainboard 4 are positioned at casing, and 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 7, LED alarm lamp 8, cable termination daughter board 9 are connected with cpu circuit mainboard 4.
Power supply comprises 12V power supply and 6V power supply.The 12V of 12V power supply can be Switching Power Supply by the AC conversion of 220V be direct current obtains, and 12V power supply can also be provided by accumulator 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 be provided by accumulator II 5.The alternating current of 220V needs through air switch 1 and lightning protection voltage dependent resistor (VDR) 2 before entering this device, and air switch 1 is ~ 220V/16A, and the electric pressure of lightning protection voltage dependent resistor (VDR) 2 is AC430V, and lightning protection voltage dependent resistor (VDR) 2 can protect whole device from thunderbolt.Accumulator II 5 is the electric battery of DC6V/4000mAh, and accumulator I 6 is the electric battery of DC6V/8000mAh.Accumulator I 5 and accumulator II 6 are provided with the protection circuit of resistance and diodes in parallel before powering to power device, and this protection circuit not only has the effect of filtering, and can protection circuit when alternating current power-off.
Cpu circuit mainboard 4 comprises constant current source 10, single-chip microcomputer 11 and connection terminal, and connection terminal comprises 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 respectively with Switching Power Supply, air switch 1, accumulator II5, accumulator I6.Transformer 12 and rectifying and voltage-stabilizing device 13 are located at the rear end of power supply terminal, are namely located on cpu circuit mainboard 4.Transformer 12 front end is provided with the lightning protection voltage dependent resistor (VDR) in parallel with it.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 and 12V supply terminals sub-connection, 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 III 16 with line winding displacement insertion terminal I 14, line winding displacement insertion terminal II 15 respectively.Constant current source 10 is made up of the triode of two homotypes and resistance, thus can 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 comprises flashlamp and hummer, and flashlamp and hummer are connected in parallel.The LED light of LED alarm lamp 8 is DC12V, and color is red.The number of LED light and the way of measure loop match, and namely each LED light is connected with a cable detection loop.Cable termination daughter board 9 has 32 connection terminals, UK type, 2.5mm
2.Cable termination daughter board 9 has 16 docking line ends, and can connect the cable of 16 head and the tail serial connections, therefore LED alarm lamp 8 has 16 LED light.Each terminals of cable termination daughter board 9 are all serially connected with lightning protection voltage dependent resistor (VDR), and the other end of lightning protection voltage dependent resistor (VDR) is connected with ground, and namely cable termination daughter board 9 has done 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.
As shown in Figure 2, the power supply of 12V provides power supply for constant current source 10 and single-chip microcomputer 11 to its Cleaning Principle figure.Cable 17 to be detected is connected in series with constant current source 10, and totally 16 groups of cables 17 connect and compose 16 groups of measure loop with constant current source 10 respectively, and constant current source 10 is connected with the incoming line of single-chip microcomputer 11.LED alarm lamp 8 comprises 16 groups of LED light, and each measure loop controls the LED light of a LED alarm lamp 8 by single-chip microcomputer 11.Power up to cable 17 by 16 groups of constant current sources 10, fixed current is 10mA.Whether constant current source 10 detection streamer 17 is communicated with, when cable 17 is normal, then the optocoupler path signal of constant current source 10 inputs to single-chip microcomputer 11, and single-chip microcomputer 11 judges this signal, belong to normal condition, 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, single-chip microcomputer 11 judges this signal, belong to abnomal 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 hummer sends the sound, flashlamp starts glittering.
The course of work: be arranged on by the utility model in switchgear building (), connects ~ 220V power supply; This device is started working, and accesses on the connection jaws on cable termination daughter board 9 by the cable 17 of head and the tail serial connection; Open air switch 1, this device is started working, and namely starts to detect the cable 17 of access; If certain road cable is stolen or occur open circuit fault, single-chip microcomputer 11 triggers acoustic-optic alarm 7 after contrast detects, and acoustic-optic alarm 7 gives the alarm, and meanwhile, on LED alarm lamp 8, the red led of corresponding circuit is glittering; Pull out the plug be 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 plug the plug be connected with acoustic-optic alarm 7, this device works on.
Utility model works power supply is the direct supply of 12V and 6V, has ensured personal safety.Generally after Switching Power Supply, transformer and the step-down of rectifying and voltage-stabilizing device, give Power supply by the alternating current of 220V, simultaneously can accumulators I 5 and accumulator II 6 charging.When switchgear building () has a power failure, accumulator I 5 and accumulator II 6 are devoted oneself to work automatically, and generally can work 6 hours, and when effectively preventing from having a power failure, this device can not the defect of alert operation.In addition, owing to adopting single-chip microcomputer 11, automatically can compare on off operating mode, running program is simpler than auxiliary reclay formula a lot.Adopt constant current source 10, can ignore the length of cable, still can normally work within 1.2k Ω, more than the misoperation that relay may cause by pressure drop, performance is more stable.Also have and use the operating ratio of 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.Alternating current direct connection transformer and rectifying and voltage-stabilizing device after air switch of 220V, the AC conversion of 220V is after the power supply of 6V by transformer and rectifying and voltage-stabilizing device, access the power supply terminal of cpu circuit mainboard again, then namely can be cpu circuit main board power supply, other are identical with embodiment 1.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. a circuit board type burglar alarm for cable, comprise casing, it is characterized in that, 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; Described power supply is connected with cpu circuit mainboard (4); Described acoustic-optic alarm (7), LED alarm lamp (8), cable termination daughter board (9) are connected with cpu circuit mainboard (4) respectively.
2. circuit board type burglar alarm for cable according to claim 1, it is characterized in that, described cpu circuit mainboard (4) comprises constant current source (10), single-chip microcomputer (11) and connection terminal, and described connection terminal comprises 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) are connected with single-chip microcomputer (11) respectively with line winding displacement insertion terminal III (16).
3. circuit board type burglar alarm for cable according to claim 1 and 2, is characterized in that, described power supply is connected with the power supply terminal of cpu circuit mainboard (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).
4. circuit board type burglar alarm for cable according to claim 1, is characterized in that, described power supply is 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 mainboard (4) is powered.
5. circuit board type burglar alarm for cable according to claim 4, 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).
6. circuit board type burglar alarm for cable according to claim 4, is characterized in that, described 12V power supply is provided by accumulator I (6), and described 6V power supply is provided by accumulator II (5).
7. circuit board type burglar alarm for cable according to claim 2, is characterized in that, described constant current source (10) comprises the triode of two homotypes.
8. circuit board type burglar alarm for cable according to claim 1, is characterized in that, described cable termination daughter board (9) is provided with lightning protection voltage dependent resistor (VDR).
9. circuit board type burglar alarm for cable according to claim 1, is characterized in that, described acoustic-optic alarm (7) comprises flashlamp and hummer, and flashlamp and hummer are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417809.XU CN204044955U (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 |
|---|---|---|---|
| CN201420417809.XU CN204044955U (en) | 2014-07-28 | 2014-07-28 | Circuit board type burglar alarm for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044955U true CN204044955U (en) | 2014-12-24 |
Family
ID=52245598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417809.XU Expired - Fee Related CN204044955U (en) | 2014-07-28 | 2014-07-28 | Circuit board type burglar alarm for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204044955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112323A (en) * | 2014-07-28 | 2014-10-22 | 中建七局安装工程有限公司 | Circuit board type cable burglar alarm |
-
2014
- 2014-07-28 CN CN201420417809.XU patent/CN204044955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112323A (en) * | 2014-07-28 | 2014-10-22 | 中建七局安装工程有限公司 | Circuit board type cable burglar alarm |
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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: 20141224 Termination date: 20170728 |