CN2259003Y - Anti-theft alarm device for communication cable - Google Patents
Anti-theft alarm device for communication cable Download PDFInfo
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- CN2259003Y CN2259003Y CN 96227016 CN96227016U CN2259003Y CN 2259003 Y CN2259003 Y CN 2259003Y CN 96227016 CN96227016 CN 96227016 CN 96227016 U CN96227016 U CN 96227016U CN 2259003 Y CN2259003 Y CN 2259003Y
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Abstract
The utility model provides a special technical proposal for anti-theft alarm device for communication cables. The utility model can be used for preventing the communication cable from being stolen a. The technical proposal is characterized in that a power supply line board, a monitoring circuit board and an alarm indication circuit board are arranged in a casing. A power circuit uses the-48V power of an exchanger to provide to a monitoring circuit and an alarm indication circuit after constant voltage modulation. The monitoring circuit and the alarm indication circuit of the proposal are connected in a contactless way. Thus the monitoring or alarm has no negative effect on communication signals of the communication cables.
Description
The utility model relates to the burglar alarm utensil, especially the burglar alarm used of communication cable.
At present, also do not have special burglar alarm, but the burglar alarm that can be used for communication cable is arranged at communication cable.It is No. 92221286 multi-functional cable burglar alarm that Patent Office of the People's Republic of China disclosed a patent No. on April 14th, 1993, this warning device is to adopt the alternating current 220V civil power as power supply, controls with the contact of relay that the antitheft front that installs additional realizes reporting to the police.Owing to adopt alternating current that power supply is provided and the relay of contact is arranged, this will have a negative impact to communication signal in communication cable, thus be applied in the service cable still can, be unfavorable and be used for communication cable.
The purpose of this utility model exactly at the problem that does not still have the desirable burglar alarm that is applied to the communication cable special use in the prior art, and provides the technical scheme of the burglar alarm of a kind of specialized application on communication cable.
This programme is realized by following technical measures.The communication cable burglar alarm by housing, panel and on hummer, power switch, power supply indication light emitting diode, report to the police indication light emitting diode and housing in power supply and warning circuit forms, the characteristics of this programme are to also have reset button and at least eight warnings to indicate light emitting diodes on panel; Described warning circuit be in housing near panel and installation in parallel, it on by the warning indicating circuit plate that contains the audible alarm circuit of reporting to the police the light warning indicating circuit of indicating light emitting diode and forming by hummer and electronic component; In addition, the observation circuit plate of being made of the monitoring means circuit identical with warning indication light emitting diode number electronic component also is equipped with in the bottom in housing; Described power supply then is to install near a sidewall in housing, the power circuit plate of forming power circuit on it by electronic component, power circuit on it is through the collector of power switch input triode T1 and 2 pin of integrated circuit (IC) 1 by introducing-48V power supply on the telephone exchange, the base stage of T1 connect 3 pin of IC1 and through resistance R 3 sending and receiving emitter-base bandgap gradings simultaneously through two shunt capacitance C3, C4 ground connection, meet 2 pin and the parallel resistor R2 of IC1 again through reverse diode D2, diode D1 connects 1 pin of IC1,1 pin of IC1 is through parallel resistor R1, capacitor C 1 ground connection, and 2 pin of IC1 are through the capacitor C 2 of parallel connection, diode D4 ground connection, the emitter of triode T1 exports on the one hand-and the 20V power supply connects the collector of triode T2 and 2 pin of integrated circuit (IC) 2 simultaneously, 1 pin of IC2 is through backward dioded D3 ground connection, 2 pin are also through the capacitor C 5 of parallel connection, C6 ground connection, and 3 pin of IC2 connect triode T2 base stage and through resistance R 4 sending and receiving emitter-base bandgap gradings, the base stage of T2 is again through the capacitor C 7 of parallel connection, C8 ground connection, the emitter of T2 is the resistance R 5 through series connection through the capacitor C 9 ground connection while, power supply indication light emitting diode ground connection, the while is output-5V power supply again.
The power supply that uses in this programme is the direct current-48V power supply of drawing from telephone exchange, adjusting voltage stabilizing and triode T1 through integrated circuit (IC) 1 expands one-20V of stream output power supply and offers hummer in the warning circuit, expand stream output-5V power supply for observation circuit and controlling alarm usefulness through integrated circuit (IC) 2 voltage stabilizings and triode T2 again, entire circuit does not have Alternating Component with power supply, the control that adds observation circuit and warning does not more all adopt relay not have the influence of contact, so, solved the problem that burglar alarm of the prior art is not suitable for using in communication cable to not producing harmful effect to communication signal in the communication cable.This shows, the utility model compared with prior art, its effect is conspicuous.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the power circuit diagram on the power circuit plate of the utility model embodiment;
Fig. 3 is the monitoring means circuit diagram on the observation circuit plate of the utility model embodiment;
Fig. 4 is the optical alarm circuit on the warning circuit plate of the utility model embodiment and the circuit diagram of sound alarm circuit;
The specific embodiment of the communication cable burglar alarm of using below by one 24 road communication cable is further set forth the technical characterstic of this programme.The communication cable burglar alarm has a housing 1 that hummer 3, power switch 9, power supply indication light emitting diode 8 and 24 report to the police indication light emitting diode 5 and reset button 10 are housed on its panel 4.The warning indicating circuit plate 6 of the audible alarm circuit of in housing 1, forming by the light warning indicating circuit that contains the indication light emitting diode 5 of reporting to the police with by hummer 3 and electronic component on it near one of panel 4 and installation in parallel; Bottom in housing 1 also is equipped with by electronic component and is formed the observation circuit plate 7 of indicating light emitting diode 5 corresponding monitoring means circuit with 24 warnings; In housing 1, a power circuit plate 2 of being made of power circuit on it electronic component is installed near a sidewall, power circuit on it is through the collector of power switch 9 input triode T1 and 2 pin of integrated circuit (IC) 1 by introducing-48V power supply on the telephone exchange, the base stage of T1 connect 3 pin of IC1 and through resistance R 3 sending and receiving emitter-base bandgap gradings simultaneously through two shunt capacitance C3, C4 ground connection, meet 2 pin and the parallel resistor R2 of IC1 again through reverse diode D2, diode D1 connects 1 pin of IC1,1 pin of IC1 is through parallel resistor R1, capacitor C 1 ground connection, and 2 pin of IC1 are through the capacitor C 2 of parallel connection, diode D4 ground connection, the emitter of triode T1 exports on the one hand-and the 20V power supply connects the collector of triode T2 and 2 pin of integrated circuit (IC) 2 simultaneously, 1 pin of IC2 is through backward dioded D3 ground connection, 2 pin are also through the capacitor C 5 of parallel connection, C6 ground connection, and 3 pin of IC2 connect triode T2 base stage and through resistance R 4 sending and receiving emitter-base bandgap gradings, the base stage of T2 is again through the capacitor C 7 of parallel connection, C8 ground connection, the emitter of T2 is through the resistance R 5 of capacitor C 9 ground connection through series connection, power supply indication light emitting diode 8 ground connection, output-5V power supply simultaneously.The T1 that adopts in this power circuit, T2 are that MJ2955 expands the stream triode, and integrated circuit (IC) 1 is the LM337T three-port variable voltage regulator, and integrated circuit (IC) 2 is the fixing three terminal regulator of KA7905.Monitoring means circuit on the described observation circuit plate 7 is to be p-wire with dead wire in the communication cable, the p-wire link X of circuit, X ground connection among the Y, and Y through capacitor C 10 connect-the 5V power supply connects simultaneously the base stage of triode T3 through resistance R 7, the base stage of T3 is through the capacitor C 11 of parallel connection, resistance R 8 connects-the 5V power supply, the emitter of T3 also connects-the 5V power supply, and collector connects-connects the 5V power supply time 3 pin of integrated circuit (IC) 3 through resistance R 6 ground connection through capacitor C 12,1 pin of IC3,10 pin connect-the 5V power supply, 11 pin, 20 pin ground connection, and 2 pin output visual alarm is to 3 pin of A end and integrated circuit (IC) 4, while is through the capacitor C 13 of series connection, diode D5 connects 11 pin of IC4, contact at C13 and D5 has resistance R 10 to connect-the 5V power supply, 11 pin of IC4 are also through parallel resistor R9, capacitor C 14 connects-the 5V power supply, 10 pin also connect-5V power supply 20 pin ground connection, 1 pin connects-the 5V power supply through capacitor C 15 through resistance R 11 ground connection simultaneously, and in the two termination reset button 10 of C15,2 pin of IC4 are then held to B through diode D6 output acoustic alarm signal.The T3 that observation circuit adopted is the 3DG111E triode, and integrated circuit (IC) 3 is for 74LS373 latchs impact damper, and IC4 is the 74LS273 trigger.Light warning indicating circuit on the described warning indicating circuit plate 6 be connect after meeting the warning indication light emitting diode 5 of series connection and diode D7, D8 by visual alarm end A-the 5V power supply constitutes.And the sound alarm circuit on it is to connect-the 5V power supply by 4 pin of acoustic alarm signal end B termination integrated circuit (IC) 5 with through resistance R 17,1 pin of IC5 connects-and 5V power supply 5 foot meridian capacitor C16 also connect-the 5V power supply, 8 pin ground connection, 7 pin connect 2 through resistance R 12 simultaneously through resistance R 13 ground connection, 6 pin, 2,6 foot meridian capacitor C17 connect-the 5V power supply, 3 pin of IC5 connect 1 pin of photoelectrical coupler J through resistance R 14,2 pin of photoelectrical coupler J connect-and 5V power supply 5 pin are through resistance R 16 ground connection, and 4 pin connect the base stage of triode T4 and connect-the 20V power supply through resistance R 15 simultaneously, the emitter of T4 connects-the 20V power supply, and collector is through hummer 3 ground connection.The integrated circuit (IC) 5 that this sound alarm circuit adopted is the NE555 time base circuit, and J is the 4N25 photoelectrical coupler, and T4 is the TLP41C triode.
Foregoing circuit does not have under the normal condition of being cut off in company with communication cable at p-wire, the saturated IC3 electronegative potential of exporting to of the T3 of observation circuit, the visual alarm to the A end of IC3 output is an electronegative potential, so the indication of the warning in warning circuit light emitting diode does not have demonstration, IC4 is given in the electronegative potential output of IC3 again, make its output electronegative potential to acoustic alarm signal end B, so not starting of oscillation of the IC5 silent alarm in the sound alarm circuit.When the stolen p-wire of communication cable opens circuit, then T3 is by the output noble potential, IC3 output noble potential shows the indication lumination of light emitting diode of reporting to the police, and IC4 also exports noble potential and IC5 opened shake and make the interrupted conducting of T4 by photoelectrical coupler, the also interrupted thereupon sounding alarm of hummer.When press reset button then IC4 promptly export electronegative potential and make to report to the police and stop.
Claims (7)
- The communication cable burglar alarm mainly by housing (1), panel (4) and on hummer (3), power switch (9), power supply indication light emitting diode (8), report to the police indication light emitting diode (5) and housing 1 in power supply and warning circuit forms, feature of the present utility model is to go up at panel (4) to also have reset button (10) and at least eight warnings to indicate light emitting diodes (5); Described warning circuit be in housing (1) near panel (4) and installation in parallel, it on by the warning indicating circuit plate (6) that contains the audible alarm circuit of reporting to the police the light warning indicating circuit of indicating light emitting diode (5) and forming by hummer (3) and electronic component; In addition, the observation circuit plate (7) of being made of the monitoring means circuit identical with warning indication light emitting diode (5) number electronic component also is equipped with in the bottom in housing (1); Described power supply then is to install near a sidewall in housing (1), the power circuit plate (2) of forming power circuit on it by electronic component, power circuit on it is through the collector of power switch (9) input triode T1 and 2 pin of integrated circuit (IC) 1 by introducing-48V power supply on the telephone exchange, the base stage of T1 connect 3 pin of IC1 and through resistance R 3 sending and receiving emitter-base bandgap gradings simultaneously through two shunt capacitance C3, C4 ground connection, meet 2 pin and the parallel resistor R2 of IC1 again through reverse diode D2, diode D1 connects 1 pin of IC1,1 pin of IC1 is through parallel resistor R1, capacitor C 1 ground connection, and the capacitor C 2 of 2 pin of IC1 through opening connection, diode D4 ground connection, the emitter of triode T1 exports on the one hand-and the 20V power supply connects the collector of triode T2 and 2 pin of integrated circuit (IC) 2 simultaneously, 1 pin of IC2 is through backward dioded D3 ground connection, 2 pin are also through the capacitor C 5 of parallel connection, C6 ground connection, and 3 pin of IC2 connect triode T2 base stage and through resistance R 4 sending and receiving emitter-base bandgap gradings, the base stage of T2 is again through the capacitor C 7 of parallel connection, C8 ground connection, the emitter of T2 is through the resistance R 5 of capacitor C 9 ground connection through series connection, power supply indication light emitting diode (8) ground connection, output-5V power supply simultaneously.
- 2. communication cable burglar alarm according to claim 1, it is characterized in that the monitoring means circuit on the described observation circuit plate (7) is p-wire link X, X ground connection among the Y, and Y through capacitor C 10 connect-the 5V power supply connects simultaneously the base stage of triode T3 through resistance R 7, the base stage of T3 is through the capacitor C 11 of parallel connection, resistance R 8 connects-the 5V power supply, the emitter of T3 also connects-the 5V power supply, and collector connects-connects the 5V power supply time 3 pin of integrated circuit (IC) 3 through resistance R 6 ground connection through capacitor C 12,1 pin of IC3,10 pin connect-the 5V power supply, 11 pin, 20 pin ground connection, and 2 pin output visual alarm is to 3 pin of A end and integrated circuit (IC) 4, while is through the capacitor C 13 of series connection, diode D5 connects 11 pin of IC4, contact at C13 and D5 has resistance R 10 to connect-the 5V power supply, 11 pin of IC4 are also through parallel resistor R9, capacitor C 14 connects-the 5V power supply, 10 pin also connect-5V power supply 20 pin ground connection, 1 pin connects-the 5V power supply through capacitor C 15 through resistance R 11 ground connection simultaneously, in the two termination reset button (10) of C15,2 pin of IC4 are then held to B through diode D6 output acoustic alarm signal.
- 3. communication cable burglar alarm according to claim 1 is characterized in that light warning indicating circuit on the described warning indicating circuit plate (6) is to connect-5V power supply formation after meeting the warning indication light emitting diode (5) of series connection and diode D7, D8 by visual alarm end A.
- 4. communication cable burglar alarm according to claim 1, it is characterized in that the sound alarm circuit on the described warning indicating circuit plate (6) is to connect-the 5V power supply by 4 pin of acoustic alarm signal end B termination integrated circuit (IC) 5 with through resistance R 17,1 pin of IC5 connects-the 5V power supply, 5 foot meridian capacitor C16 also connect-the 5V power supply, 8 pin ground connection, 7 pin connect 2 through resistance R 12 simultaneously through resistance R 13 ground connection, 6 pin, 2,6 foot meridian capacitor C17 connect-the 5V power supply, 3 pin of IC5 connect 1 pin of photoelectrical coupler J through resistance R 14,2 pin of photoelectrical coupler J connect-and 5V power supply 5 pin are through resistance R 16 ground connection, and 4 pin connect the base stage of triode T4 and connect-the 20V power supply through resistance R 15 simultaneously, the emitter of T4 connects-the 20V power supply, and collector is through hummer (3) ground connection.
- 5. communication cable burglar alarm according to claim 1, it is characterized in that the T1, the T2 that adopt in the described power circuit are that MJ2955 expands the stream triode, and integrated circuit (IC) 1 is the LM337T three-port variable voltage regulator, and integrated circuit (IC) 2 is the fixing three terminal regulator of KA7905.
- 6. communication cable burglar alarm according to claim 2 is characterized in that the T3 that observation circuit adopted on the described observation circuit plate (7) is the 3DG111E triode, and integrated circuit (IC) 3 is for 74LS373 latchs impact damper, and IC4 is the 74LS273 trigger.
- 7. communication cable burglar alarm according to claim 4 is characterized in that the integrated circuit (IC) that sound alarm circuit adopted 5 on the described warning indicating circuit plate (6) is the NE555 time base circuit, and J is the 4N25 photoelectrical coupler, and T4 is the TLP41C triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96227016 CN2259003Y (en) | 1996-01-09 | 1996-01-09 | Anti-theft alarm device for communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96227016 CN2259003Y (en) | 1996-01-09 | 1996-01-09 | Anti-theft alarm device for communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2259003Y true CN2259003Y (en) | 1997-08-06 |
Family
ID=33905234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96227016 Expired - Fee Related CN2259003Y (en) | 1996-01-09 | 1996-01-09 | Anti-theft alarm device for communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2259003Y (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 |
-
1996
- 1996-01-09 CN CN 96227016 patent/CN2259003Y/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 | ||
| 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 |