CN201812350U - Internal triggering high/low voltage switching electronic fence system - Google Patents
Internal triggering high/low voltage switching electronic fence system Download PDFInfo
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- CN201812350U CN201812350U CN2010202591056U CN201020259105U CN201812350U CN 201812350 U CN201812350 U CN 201812350U CN 2010202591056 U CN2010202591056 U CN 2010202591056U CN 201020259105 U CN201020259105 U CN 201020259105U CN 201812350 U CN201812350 U CN 201812350U
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Abstract
The utility model discloses an internal triggering high/low voltage switching electronic fence system, which comprises a high/low voltage pulse output control circuit, a high/low voltage pulse generating circuit, a front-end fence short-circuit and broken-circuit detection circuit, a central processor, an alarm relay output loop and a warning host machine. The electronic fence system further comprises a switching circuit, wherein the signal input terminal of the switching circuit is connected with one output port of the central processor, the signal output terminal of the switching circuit is connected with the high/low voltage pulse output control circuit, and the switching circuit controls the switching of the high/low voltage output of the high/low-voltage pulse output control circuit according to the output signal generated after the central processor compares and judges the detected data. The electronic fence system is safer, more reasonable and intelligent. In case of the external invasion-induced broken-circuit or short-circuit of the pulse loop formed by the metal enclosure lines, the electronic fence system can give the alarm in time and switch the pulse voltages to provide different protective functions. Therefore, the electronic fence system is more perfect.
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, the principle of reporting to the police is identical, 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.
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 is constituted pulse circuit and is caused invasive broken string or short circuit because of exotic invasive by the metal fence line, can in time send alert news, and 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 internal 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 and switches circuit, its signal input part is connected with an output port of central processing unit, its signal output part is connected with high-low pressure pulse output control circuit, and described commutation circuit contrasts the high-low pressure output switching of the output signal control high-low pressure pulse output control circuit after judging to the detection data according to central processing unit.
Electronic enclosure system of the present utility model is provided with commutation circuit (as the control of high-low pressure pulses switch), like this, when the metal fence lead is not continued touching, fence system output action of low-voltage pulse, make system be in the elementary state of alert, at this moment, what load on the fence lead is action of low-voltage pulse, and system is in a safe condition.When artificially continuing touching fence lead, the variation of the two groups of loop resistance values of real-time detection by short circuit of leading portion fence and break detection circuit, signal is imported central processing unit (CPU), CPU is according to judging with the contrast of presetting set-point whether this signal belongs to the illegal invasion signal, the method invasion (still keeping the triggering state) in case judge between right and wrong regular hour internal trigger person, then send instruction, finish warning function by alarm relay output loop and alarm host machine for one by CPU; Another then sends the high-voltage pulse switching command to commutation circuit, and control high-low pressure pulse output control circuit switches the output high-voltage pulse, enters the senior state of alert, stops invador's further action.
When the invador leaves, the detected numerical value of short circuit of front end fence and break detection circuit returns within the set-point, and CPU will delay time T after second, to commutation circuit output low pressure output switching signal, make fence system be returned to virgin state, promptly export the elementary state of alert of action of low-voltage pulse.
The selection of the high and low pressure of this fence system is to change according to the touched resistance that causes of external metallization fence lead or induction reactance, capacitive reactance, after CPU judges whether to be artificial illegal touching, control program by CPU sends the high and low pressure switching command, low pressure output is switched to the high pressure output state, make fence system enter the senior state of alert.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
Embodiment
Fig. 2 shows the electronic enclosure system that internal 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, its signal input part is connected with an output port V of central processing unit 1, its signal output part is connected with high-low pressure pulse output control circuit 3, and commutation circuit 8 is switched according to the high-low pressure output that 1 pair of central processing unit detects the output signal control high-low pressure pulse output control circuit 3 after data are judged.Resistance change between the positive negative pulse stuffing loop that central processing unit 1 detects constantly according to the short circuit of front end fence and break detection circuit, by built-in program to detecting data and presetting the field planting data and analyze relatively and judge, as the people continue touching front end metal fence lead 7, when causing that internal resistance between the positive negative pulse stuffing loop changes, central processing unit 1 changes control signal, and switches by the high-low pressure output of commutation circuit 8 control high-low pressure pulse output control circuits according to this.
Above-mentioned commutation circuit 8 can be made of electronic switching circuit, also can be made of relay circuit.
The utility model 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, fence system gives a warning, 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 leaves, short circuit of front end fence and break detection circuit 4 detected numerical value return within the set-point, and CPU will delay time T after second, to commutation circuit 8 output low pressure output switching signals, make fence system be returned to virgin state, promptly export the elementary state of alert of action of low-voltage pulse.
Claims (1)
1. the electronic enclosure system that switches of an internal 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 and switches circuit, its signal input part is connected with an output port of central processing unit, its signal output part is connected with high-low pressure pulse output control circuit, and described commutation circuit contrasts the high-low pressure output switching of the output signal control high-low pressure pulse output control circuit after judging to the detection data according to central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202591056U CN201812350U (en) | 2010-07-15 | 2010-07-15 | Internal triggering high/low voltage switching electronic fence system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202591056U CN201812350U (en) | 2010-07-15 | 2010-07-15 | Internal triggering high/low voltage switching electronic fence system |
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| CN201812350U true CN201812350U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202591056U Expired - Fee Related CN201812350U (en) | 2010-07-15 | 2010-07-15 | Internal triggering high/low voltage switching electronic fence system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163356A (en) * | 2011-03-16 | 2011-08-24 | 成都海德克科技发展有限公司 | Inductive intelligent electronic fence and protection method thereof |
| CN102568135A (en) * | 2011-12-28 | 2012-07-11 | 南京理工大学常熟研究院有限公司 | Data storing and matching method facing to pulse electronic fence system |
| CN103781270A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Automatic high/low voltage disarming switching circuit and automatic high/low voltage disarming switching method of high voltage electron pulse detector |
| CN103927833A (en) * | 2014-03-10 | 2014-07-16 | 管文丽 | Jumping type electronic fence system and circulating jumping detection method |
| CN105118206A (en) * | 2015-09-18 | 2015-12-02 | 陈盛友 | Correlative fence dual-technology detector |
| 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 |
| CN113645380A (en) * | 2021-07-07 | 2021-11-12 | 珠海华发建筑设计咨询有限公司 | Electronic fence with video monitoring function |
-
2010
- 2010-07-15 CN CN2010202591056U patent/CN201812350U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163356A (en) * | 2011-03-16 | 2011-08-24 | 成都海德克科技发展有限公司 | Inductive intelligent electronic fence and protection method thereof |
| CN102163356B (en) * | 2011-03-16 | 2013-03-20 | 成都海德克科技发展有限公司 | Inductive intelligent electronic fence and protection method thereof |
| CN102568135A (en) * | 2011-12-28 | 2012-07-11 | 南京理工大学常熟研究院有限公司 | Data storing and matching method facing to pulse electronic fence system |
| CN103781270A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Automatic high/low voltage disarming switching circuit and automatic high/low voltage disarming switching method of high voltage electron pulse detector |
| CN103781270B (en) * | 2014-02-28 | 2016-06-29 | 四川为民科技有限公司 | The high-low pressure of high-voltage electronic pulse detector is withdrawn a garrison automatic switch-over circuit and changing method |
| 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 |
| CN105118206A (en) * | 2015-09-18 | 2015-12-02 | 陈盛友 | Correlative fence dual-technology detector |
| 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 |
| CN113645380A (en) * | 2021-07-07 | 2021-11-12 | 珠海华发建筑设计咨询有限公司 | Electronic fence with video monitoring function |
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| 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 |
Granted publication date: 20110427 Termination date: 20140715 |
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| EXPY | Termination of patent right or utility model |