CN201812351U - Electronic fence system with externally-triggered high-and-low-voltage switching - Google Patents
Electronic fence system with externally-triggered high-and-low-voltage switching Download PDFInfo
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- CN201812351U CN201812351U CN2010202591075U CN201020259107U CN201812351U CN 201812351 U CN201812351 U CN 201812351U CN 2010202591075 U CN2010202591075 U CN 2010202591075U CN 201020259107 U CN201020259107 U CN 201020259107U CN 201812351 U CN201812351 U CN 201812351U
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Abstract
The utility model discloses an electronic fence system with externally-triggered high-and-low-voltage switching, which comprises a high-and-low-voltage pulse output control circuit, a high-and-low-voltage pulse generating circuit, a front-end fence short circuit and a disconnection detecting circuit, a central processing unit, an alarm relay output loop, an alarm host, a switching circuit and a plurality of external trigger circuits. A signal input end of the switching circuit is connected with an output port of the central processing unit, a signal output end of the switching circuit is connected with the high-and-low-voltage pulse output control circuit, signal output ends of the external trigger circuits are connected with the central processing unit and transmit trigger state data signals to the central processing unit according to external triggering state, and the central processing unit outputs signals via the switching circuit to control switching between high-voltage output and low-voltage output of the high-and-low-voltage pulse output control circuit after comparing and judging the trigger state data signals. The electronic fence system can timely switch fence system pulse voltages for different warning functions so as to be safer, more reasonable and more intelligent.
Description
Technical field
The utility model relates to a kind of security protection equipment, relates in particular to a kind of security protection fence equipment.
Background technology
Fence has extensively been applied to important places such as residential quarters, factory and enterprise, school, high-grade villa district, power plant, transformer and distribution power station day by day as a kind of comparatively effectively circumference security alarm product.
As shown in Figure 1, electronic enclosure system is made up of central controller (CPU) 1, high-low pressure pulse generating circuit 2, high-low pressure pulse output control circuit 3, the short circuit of front end fence and break detection circuit 4, alarm relay output loop 5.Its principle of work is, high-low pressure pulse generating circuit 2 produces high voltage pulse or low pressure, through high-low pressure pulse output control circuit 3 high voltage pulse is loaded into the parallel plain conductor 7 (generally using No. 18 or No. 20 aluminium alloy conductors) that is laid on the enclosure wall, makes plain conductor 7 be with high pressure or low voltage pulse signal.
The frequency of pulse signal and pulse width output to high-low pressure pulse output control circuit 3 by the plug-in of CPU through the port III, finish the control of the frequency and the pulse width of pulse by it.High-low pressure pulse output control circuit 3 is provided with out1 and in1 and constitutes one group of positive pulse loop, out2 and in2 and constitute one group of negative pulse loop, constitute a positive negative pulse stuffing loop sets by above-mentioned two adjacent pulse circuits, high-low pressure pulse output control circuit 3 can be provided with several positive negative pulse stuffing loop sets.Out1 and out2 export positive pulse and negative pulse respectively, short circuit of front end fence and break detection circuit 4 will detect in1 and in2 constantly and whether receive high pressure or the low voltage pulse signal that out1 and out2 send, if detect less than postbacking signal, illustrate that then metal fence lead 7 is cut off, thereby send the break alarm control signal to the port I of CPU1, CPU1 then sends alarm control signal and gives alarm relay output loop 5, and alarm host machine 6 is to the back-end sent the alerting signal of switching value.Similar therewith, short circuit of front end fence and break detection circuit 4 also are engraved in the resistance that detects between the positive and negative pulse output lead of two adjacent groups simultaneously the time, when this resistance is zero, illustrate then between the fence lead that invaded person pierces by force and causes short-circuit between conductors, thereby send the short-circuit alarming signal to the port II of CPU1, CPU1 then sends alarm control signal by port IV and gives alarm relay output loop 5, and alarm host machine 6 is to the back-end sent the alerting signal of switching value.No matter fence system is arranged to high pressure or low pressure, that reports to the police was identical originally, i.e. any broken string of front end metal fence lead, perhaps any two short circuits, CPU1 sends alarm control signal and gives alarm relay output loop 5, and alarm host machine 6 is to the back-end sent the alerting signal of switching value.High-low pressure pulse output control circuit is provided with the high-low pressure manual switching.
Although, fence has stronger deterrent force, perfect stops advantages such as safeguard function, rate of false alarm be relatively low as the circumference security product, but, continuous expansion along with range of application, some problems also occur thereupon, high-voltage pulse has different vigilance performances with action of low-voltage pulse, yet in the device systems of prior art, does not have intelligentized reasonable control.
The utility model content
Technical problem to be solved in the utility model provides a kind of more reasonable, perfect electronic enclosure system, when in case fence system sends the invasion trigger pip by the external trigger circuit, can switch the fence system pulse voltage of different vigilance performances in time, make electronic enclosure system safer, reasonable, intelligent more.
The utility model is for solving the problems of the technologies described above
The electronic enclosure system that a kind of external trigger high-low pressure switches comprises:
One high-low pressure pulse output control circuit is provided with out end and In end that even-even connects the metal fence lead, and the metal fence lead of each group out end and In end constitutes a pulse circuit, and adjacent two pulse circuits constitute a positive negative pulse stuffing loop sets;
One high-low pressure pulse generating circuit is connected with high-low pressure pulse output control circuit, produces pulse voltage, pulse voltage is loaded on the metal fence lead through high-low pressure pulse output control circuit;
One short circuit of front end fence and break detection circuit, be connected with high-low pressure pulse output control circuit, constantly detect the broken string situation of each pulse circuit and the short-circuit conditions of adjacent two positive and negative pulse circuits, its signal output part is connected with the signal input part of central processing unit;
One central processing unit, the one output port is connected with the control input end of high-low pressure pulse output control circuit, finishes the control of the frequency and the pulse width of pulse; And the detection data and the initialize data of short circuit of receiving front-end fence and break detection circuit are relatively judged;
One alarm relay output loop be connected with the signal output part of central processing unit, and its signal output part is connected to alarm host machine; This electronic enclosure system also is provided with:
One switches circuit, and its signal input part is connected with an output port of central processing unit, and its signal output part is connected with high-low pressure pulse output control circuit,
And some external trigger circuit, the signal output part of external trigger circuit is connected with central processing unit, trigger the status data signal according to the external trigger state to the central processing unit transmission, after central processing unit is judged triggering status data signal contrast, export control signal and export switching by the high-low pressure of commutation circuit control high-low pressure pulse output control circuit.
Described external trigger circuit can be the infrared sensing trigger circuit, and the signal output part of infrared sensing trigger circuit is connected with central processing unit.
Described infrared sensing trigger circuit are infrared beam interruption detector or passive infrared detector.
The high pressure of ordinary electronic fence system, the output of low pressure are the moving selections of armrest, the selection of the high and low pressure of fence system of the present utility model is to be selected by the external trigger circuit triggers, trigger as alerting signal by infrared beam interruption detector or passive infrared detector etc., after analyzing, judge by CPU, switch the output conversion of high and low pressure by commutation circuit.When not having the external trigger circuit triggers, fence system output action of low-voltage pulse makes system be in the elementary state of alert, and at this moment, what load on the fence lead is action of low-voltage pulse, and system is in a safe condition.Generally infrared eye is placed the outside of enclosure wall, the below of fence parallel wire, when the invador wants to destroy the fence lead, the infrared beam of the inevitable infrared eye of blocking earlier causes trigger pip and cause infrared beam interruption detector to be reported to the police, after being judged by CPU, switch the output high-voltage pulse by commutation circuit control high-low pressure pulse output control circuit, make system be in the senior state of alert, control warning circuit simultaneously and send siren and ring, stop invador's further action.
When the invador left, the external trigger circuit lost alerting signal, and CPU will delay time T after second, to commutation circuit output low pressure output switching signal, made fence system be returned to virgin state, promptly exported the elementary state of alert of action of low-voltage pulse.Fence system of the present utility model can switch the fence system pulse voltage of different vigilance performances in time, makes electronic enclosure system safer, reasonable, and is intelligent more.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, wherein:
Fig. 1 is the structural representation of existing electronic enclosure system;
Fig. 2 is the structural representation of the electronic enclosure system of the utility model internal trigger high-low pressure switching.
1, central processing unit 2, high-low pressure pulse generating circuit
3, high-low pressure pulse output control circuit 4, front end fence section roadbed break detection circuit
5, alarm relay output loop 6, alarm host machine
7, metal fence lead 8, commutation circuit
9, external trigger circuit
Embodiment
Fig. 2 shows the electronic enclosure system that external trigger high-low pressure of the present utility model switches, and comprising:
One high-low pressure pulse output control circuit 3, be provided with 2 pairs of out end and In ends (out1, In1, out2, In2) that connect metal fence lead 7, the metal fence lead 7 of out1 end, In1 end and out2 end, In2 end respectively constitutes a pulse circuit, and two one of pulse circuits are the positive pulse loop sets, and another is the negative pulse loop sets.Certainly because the difference that the scale of electronic enclosure system and dense degree require, out end and the In that 4 pairs or 6 reciprocity even-evens connect metal fence lead 7 respectively also can be set to be held, in the hope of reaching different security protection standards, the metal fence lead 7 of each group out end and In end constitutes a pulse circuit, and adjacent two pulse circuits constitute a positive negative pulse stuffing loop sets.
One high-low pressure pulse generating circuit 2 is connected with high-low pressure pulse output control circuit 3, produces pulse voltage, pulse voltage is loaded on the metal fence lead 7 through high-low pressure pulse output control circuit 3;
One front end fence short circuit and break detection circuit 4, be connected with high-low pressure pulse output control circuit 3, constantly detect the broken string situation of each pulse circuit and the short-circuit conditions of adjacent two positive and negative pulse circuits, its signal output part is connected with the signal input part of central processing unit;
One central processing unit 1, its output port III is connected with the control input end of high-low pressure pulse output control circuit 3, finishes the control of the frequency and the pulse width of pulse; And the detection data and the initialize data of short circuit of receiving front-end fence and break detection circuit are relatively judged;
One alarm relay output loop 5 be connected with the signal output part of central processing unit 1, and its signal output part is connected to alarm host machine 6;
This electronic enclosure system also is provided with one and switches circuit 8, and its signal input part is connected with an output port V of central processing unit 1, and its signal output part is connected with high-low pressure pulse output control circuit 3,
And some external trigger circuit 9, the signal output part of external trigger circuit 9 is connected with central processing unit 1, trigger the status data signal according to the external trigger state to central processing unit 1 transmission, after 1 pair of triggering of central processing unit status data signal compared judgement, the output control signal was by the high-low pressure output switching of commutation circuit 8 control high-low pressure pulse output control circuits 3.
Above-mentioned external trigger circuit 9 can be infrared beam interruption detector, passive infrared detector or other conventional infrared sensing trigger circuit, even can be other the conventional external trigger circuit that can survey illegal invasion.As long as it can survey the peripheral illegal invasion state of safety-protection system effectively.
Generally external trigger circuit 9 such as infrared eye are placed the outside of enclosure wall, the below of fence parallel wire 7, when the invador wants to destroy fence lead 7, the infrared beam of the inevitable infrared eye of blocking earlier, cause trigger pip and cause external trigger circuit 9 (infrared eye) to be reported to the police, by port VI input CPU1, after judging by analysis, CPU1 exports control signal, and by commutation circuit control high-low pressure pulse output control circuit switching output high-voltage pulse, make system be in the senior state of alert, control warning circuit simultaneously and send siren and ring, stop invador's further action.
Above-mentioned commutation circuit 8 can be made of electronic switching circuit, also can be made of relay circuit.
The present invention takes technological means to fence system, improves, and makes fence system when not triggered by illegal invador or third party acting in good faith, and the output action of low-voltage pulse is used to discern elementary warning and finishes short circuit, break alarm function; In case be triggered by the external trigger circuit, if in the regular hour, triggering person still keeps the triggering state, after illegal invasion is confirmed as in central controller 1 contrast, on the one hand through alarm relay output loop 5 to alarm host machine 6 alerting signals; To commutation circuit 8 output high pressure switching signals, export high-voltage pulses thereby control high-low pressure pulse output control circuit 3 on the other hand, fence system enters the senior state of alert, stops invador's further action.
When the invador left, external trigger circuit 9 lost alerting signal, and CPU1 will delay time T after second, to commutation circuit 8 output low pressure output switching signals, made fence system be returned to virgin state, promptly exported the elementary state of alert of action of low-voltage pulse.
Claims (3)
1. the electronic enclosure system that switches of an external trigger high-low pressure comprises:
One high-low pressure pulse output control circuit is provided with out end and In end that even-even connects the metal fence lead, and the metal fence lead of each group out end and In end constitutes a pulse circuit, and adjacent two pulse circuits constitute a positive negative pulse stuffing loop sets;
One high-low pressure pulse generating circuit is connected with high-low pressure pulse output control circuit, produces pulse voltage, pulse voltage is loaded on the metal fence lead through high-low pressure pulse output control circuit;
One short circuit of front end fence and break detection circuit, be connected with high-low pressure pulse output control circuit, constantly detect the broken string situation of each pulse circuit and the short-circuit conditions of adjacent two positive and negative pulse circuits, its signal output part is connected with the signal input part of central processing unit;
One central processing unit, the one output port is connected with the control input end of high-low pressure pulse output control circuit, finishes the control of the frequency and the pulse width of pulse; And the detection data and the initialize data of short circuit of receiving front-end fence and break detection circuit are relatively judged;
One alarm relay output loop be connected with the signal output part of central processing unit, and its signal output part is connected to alarm host machine; It is characterized in that this electronic enclosure system also is provided with:
One switches circuit, and its signal input part is connected with an output port of central processing unit, and its signal output part is connected with high-low pressure pulse output control circuit,
And some external trigger circuit, the signal output part of external trigger circuit is connected with central processing unit, triggers the status data signal according to the external trigger state to the central processing unit transmission; After central processing unit is judged triggering status data signal contrast, export control signal and export switching by the high-low pressure of commutation circuit control high-low pressure pulse output control circuit.
2. the electronic enclosure system that external trigger high-low pressure according to claim 1 switches, it is characterized in that: described external trigger circuit is the infrared sensing trigger circuit, and the signal output part of infrared sensing trigger circuit is connected with central processing unit.
3. the electronic enclosure system that external trigger high-low pressure according to claim 1 switches, it is characterized in that: described infrared sensing trigger circuit are infrared beam interruption detector or passive infrared detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202591075U CN201812351U (en) | 2010-07-15 | 2010-07-15 | Electronic fence system with externally-triggered high-and-low-voltage switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202591075U CN201812351U (en) | 2010-07-15 | 2010-07-15 | Electronic fence system with externally-triggered high-and-low-voltage switching |
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| CN201812351U true CN201812351U (en) | 2011-04-27 |
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| CN2010202591075U Expired - Fee Related CN201812351U (en) | 2010-07-15 | 2010-07-15 | Electronic fence system with externally-triggered high-and-low-voltage switching |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778741A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Electronic fence integrated control system and monitoring method |
| CN103927833A (en) * | 2014-03-10 | 2014-07-16 | 管文丽 | Jumping type electronic fence system and circulating jumping detection method |
| CN108831079A (en) * | 2018-06-25 | 2018-11-16 | 上海优周电子科技有限公司 | High-pressure electronic fence alarm system |
| CN110782623A (en) * | 2019-10-28 | 2020-02-11 | 江苏华海钢结构有限公司 | Convenient three-dimensional all-round safety protection bars |
-
2010
- 2010-07-15 CN CN2010202591075U patent/CN201812351U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778741A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Electronic fence integrated control system and monitoring method |
| CN103778741B (en) * | 2014-02-28 | 2016-11-23 | 四川为民科技有限公司 | Fence integrated control system |
| CN103927833A (en) * | 2014-03-10 | 2014-07-16 | 管文丽 | Jumping type electronic fence system and circulating jumping detection method |
| CN103927833B (en) * | 2014-03-10 | 2016-06-22 | 杭州美安电子科技有限公司 | A kind of saltus step formula electronic enclosure system and circulation transition detection method |
| CN108831079A (en) * | 2018-06-25 | 2018-11-16 | 上海优周电子科技有限公司 | High-pressure electronic fence alarm system |
| CN110782623A (en) * | 2019-10-28 | 2020-02-11 | 江苏华海钢结构有限公司 | Convenient three-dimensional all-round safety protection bars |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20140715 |
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| EXPY | Termination of patent right or utility model |