CN102737458A - Pulse electric fence alarm system - Google Patents
Pulse electric fence alarm system Download PDFInfo
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- CN102737458A CN102737458A CN2011100832540A CN201110083254A CN102737458A CN 102737458 A CN102737458 A CN 102737458A CN 2011100832540 A CN2011100832540 A CN 2011100832540A CN 201110083254 A CN201110083254 A CN 201110083254A CN 102737458 A CN102737458 A CN 102737458A
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Abstract
The invention discloses a pulse electric fence alarm system. The system comprises a main control panel, controllable high voltage generation apparatuses, a high voltage detection unit and a terminal module, wherein the controllable high voltage generation apparatuses are connected with the main control panel and high voltage metal alloy wires; under control of the main control panel, a high voltage pulse is generated to the high voltage metal alloy wires and each pair of high-voltage outputs are connected with a group of high voltage metal alloy wires; the high voltage detection unit is used to detect integrity of a high voltage signal and provide a basis for the main control panel to determine a pulse electric fence wire state; the terminal module is connected between ends of the each group of high voltage metal alloy wires, is used to match input impedance of the high voltage detection unit and output impedance of the controllable high voltage generation apparatuses and to provide anti-jumper impedance changes for the pulse electric fence alarm system so as to realize an anti-jumper function. By using the system of the invention, monitoring of short circuit and a clipping alarm signal can be realized, and the short circuit alarm can be achieved when the high voltage metal alloy wires are in a jumper state.
Description
Technical field
The present invention relates to a kind of boundary defence warning system, particularly relate to a kind of pulsed electron fence warning system with anti-cross-over connection function.
Background technology
In the ordinary residence sub-district, villa residential area, enterprises and institutions, factory, warehouse, transformer station, water factory, power plant, school; The detention house of justice system, prison, and place such as airport, military base, government organs, major historical and cultural sites under state protection all needs circumference safety precaution and intrusion preventing alarm system.
At present, for civilian boundary defence warning system, what generally adopt is the two mirror technology of infrared detection technique and infrared microwave, but there are shortcomings such as rate of false alarm height in these technology.
China utility model patent ZL200420019228.7 discloses a kind of " smart electronics fence " (Granted publication number: CN2703088Y; Granted publication day: on June 1st, 2005); This smart electronics fence can only be cut off Shi Caineng at fence and detected warning, can't realize short-circuit alarming.
Though the pulsed electron fence that has can be realized cutting off and short-circuit alarming,, in order to realize the multiple wire system fence, adopt between the end short circuit feedback connected mode to realize multi-thread fence mostly; The problem of its existence is when in the middle of fence, adopting the identical order of terminal short circuit to carry out cross-over connection, just can't realize cutting off alarm detection from bridge position to the distance the fence end.
Summary of the invention
The technical matters that the present invention will solve provides a kind of pulsed electron fence warning system, can realize short circuit, cut off the monitoring of alerting signal, and can realize short-circuit alarming during by cross-over connection at high-pressure metal alloy silk.
For solving the problems of the technologies described above, pulsed electron fence warning system of the present invention comprises:
Master control borad is used to control the controllable high-voltage generation device and produces high-voltage pulse signal, and surveys high-voltage pulse signal through high-pressure detection unit, and then judges pulsed electron fence circuit situation; When take place reporting to the police, carry out data interaction with presence is replied, and control alarm linkage device generation warning interlock is controlled through communication device and control center;
The controllable high-voltage generation device; Its input end is connected with said master control borad; Its every pair high-voltage output end is connected with an end of one group of high-pressure metal alloy silk of pulsed electron fence; Every group of high-pressure metal alloy silk is two, under the control of said master control borad, said high-pressure metal alloy silk produced high-voltage pulse;
Communication device is connected with said master control borad, for master control borad provides the Data Receiving transmission interface, realizes that the remote alarms data are sent and the inquiry of equipment presence, realizes that finally information networking is to control center;
High-pressure detection unit; Its input end is connected with said master control borad; Its output terminal is corresponding respectively to be connected with high-pressure metal alloy silk with the high pressure end of the same name of controllable high-voltage generation device, the high-voltage output end of controllable high-voltage generation device; Be used to detect the integrality of high-voltage pulse signal, judging pulsed electron fence line conditions for said master control borad provides foundation;
Terminal module; Be connected between the end of each group high-pressure metal alloy silk; Be used to mate the input impedance of said high-pressure detection unit and the output impedance of controllable high-voltage generation device,, realize anti-cross-over connection function for pulsed electron fence warning system provides the impedance variations of preventing cross-over connection.
The present invention is the aggregate of a kind of entity protective equipment, initiatively defence, the anti-cross-over connection of system and warning device; Under the situation that default allows; Fixed cycle sends high-voltage pulse signal on the high-pressure metal alloy silk of pulsed electron fence; Simultaneously high-voltage pulse signal is monitored in real time, realize the alarm response of the intrusion behavior of the cutting off of pulsed electron fence warning system, short circuit.
The present invention has data line systems connection function, can realize that alerting signal is in real time to the real-time online inspection function of control center and control center's paired pulses fence.
Environmental suitability of the present invention is strong, can be adapted to all boundary defence places, and boundary defence does not exist and emits a little.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Accompanying drawing is the pulsed electron fence warning system block diagram with anti-cross-over connection function.
Embodiment
As shown in the figure, said pulsed electron fence warning system with anti-cross-over connection function comprises: master control borad 1, a plurality of controllable high-voltage generation device 2, high-pressure detection unit 3, terminal module 4, communication device 5, control center 6.The pulsed electron fence comprises support bar 12 and terminal pole 10, and high-pressure metal alloy silk 13 1 ends are connected on the said support bar 12, and the other end is connected on the said terminal pole 10.Said terminal module 4 is arranged on the said support bar 12 and with an end (end) of said high-pressure metal alloy silk 13 and is connected; Said master control borad 1, a plurality of controllable high-voltage generation device 2, high-pressure detection unit 3 and communication device 5 are arranged on the said support bar 12, and the high-voltage output end of said controllable high-voltage generation device 2 is connected with the other end of high-pressure metal alloy silk 13.Each of said controllable high-voltage generation device 2 connects one group of high-pressure metal alloy silk 13 to high-voltage output end, and every group of high-pressure metal alloy silk 13 is two; That is to say between each of said controllable high-voltage generation device 2 is to high-voltage output end and terminal module 4 and be connected with one group of (two) high-pressure metal alloy silk 13.Turnbuckle 11 is installed on the said high-pressure metal alloy silk 13, is used to strain high-pressure metal alloy silk 13, makes its stretching and not short circuit under normal condition.
Said master control borad 1; Include microprocessor on it; Connect controllable high-voltage generation device 2, communication device 5, high-pressure detection unit 3 respectively; Be used to control controllable high-voltage generation device 2 and produce high-voltage pulse signal, survey high-voltage pulse signal through high-pressure detection unit 3 simultaneously, and then judge the circuit situation of pulsed electron fence; Under the situation of take place reporting to the police, carry out data interaction with presence is replied through communication device 5 with control center 6, and control alarm linkage device produces the warning interlock and controls.
Said controllable high-voltage generation device 2; Its input end is connected with said master control borad 1, and its high-voltage output end is connected with high-pressure metal alloy silk 13, under the control of said master control borad 1; Said high-pressure metal alloy silk 13 is produced high-voltage pulse between line, threaten the invador is caused high pressure.
Said communication device 5 is connected with said master control borad 1, for master control borad 1 provides the Data Receiving transmission interface, realizes functions such as transmission of remote alarms data and the inquiry of equipment presence, realizes that finally information networking is to control center 6.
High-pressure detection unit 3; Its input end is connected with said master control borad 1; Its output terminal is corresponding respectively to be connected with the high pressure end of the same name of controllable high-voltage generation device 2, the high-voltage output end of controllable high-voltage generation device 2 and the high-pressure metal alloy silk 13 of pulsed electron fence; Be used to detect the integrality of high-voltage pulse signal, for said master control borad 1 judges that the fence line conditions provides foundation.
Said terminal module 4; Be connected between the end of each group high-pressure metal alloy silk 13; Be used to mate the input impedance of said high-pressure detection unit 3 and the output impedance of controllable high-voltage generation device 2; For pulsed electron fence warning system provides the impedance variations of preventing cross-over connection, the realization system prevents the cross-over connection function.
Alarm detection implementation of the present invention is, 2 pairs of high-pressure metal alloys of said master control borad 1 fixed cycle control controllable high-voltage generation device silk 13 sends high-voltage pulse signals, and the high-voltage pulse width generally is set at about 100 milliseconds; The high-voltage pulse amplitude is between 5000 to 10000 volts; Said high-pressure detection unit 3 detects the amplitude and the pulse width of feedback voltage respectively, when amplitude and pulse width change respectively when reaching certain alarming value, regards as warning; In case short circuit occurs in the middle of the pulsed electron fence like this, cut off and the cross-over connection phenomenon; The overall impedance characteristic of pulsed electron fence changes, and the amplitude of feedback voltage and pulse width are reported to the police thereby trigger.Particularly, for short-circuit alarming, the pulse width that high-pressure detection unit 3 detects feedback voltage sharply diminishes, and has specifically caused subtle change according to the different line resistance differences that form of high-pressure metal alloy filament length degree, and then has realized that short-circuit alarming detects; Cross-over connection is reported to the police and is equivalent to the short-circuit alarming detection mode; For cutting off warning, high-pressure detection unit 3 detects the amplitude generation great variety of feedback voltage, does not promptly have feedback voltage, and then realizes cutting off alarm detection.
The present invention can adapt to various complex-terrain environment, does not stay and takes precautions against the dead angle; Adaptable across all places that have boundary defence to need.
More than through embodiment the present invention has been carried out detailed explanation, but these are not to be construed as limiting the invention.Under the situation that does not break away from the principle of the invention, those skilled in the art also can make many distortion and improvement, and these also should be regarded as protection scope of the present invention.
Claims (2)
1. a pulsed electron fence warning system is characterized in that, comprising:
Master control borad; Be used to control the controllable high-voltage generation device and produce high-voltage pulse signal; Survey high-voltage pulse signal through high-pressure detection unit simultaneously; And then judge pulsed electron fence circuit situation, when taking place to report to the police, carry out data interaction with presence is replied, and control alarm linkage device generation warning interlock is controlled through communication device and control center;
The controllable high-voltage generation device; Its input end is connected with said master control borad; Its every pair high-voltage output end is connected with an end of one group of high-pressure metal alloy silk of pulsed electron fence; Every group of high-pressure metal alloy silk is two, under the control of said master control borad, said high-pressure metal alloy silk produced high-voltage pulse;
Communication device is connected with said master control borad, for master control borad provides the Data Receiving transmission interface, realizes that the remote alarms data are sent and the inquiry of equipment presence, realizes that finally information networking is to control center;
High-pressure detection unit; Its input end is connected with said master control borad; Its output terminal is corresponding respectively to be connected with high-pressure metal alloy silk with the high pressure end of the same name of controllable high-voltage generation device, the high-voltage output end of controllable high-voltage generation device; Be used to detect the integrality of high-voltage pulse signal, judging pulsed electron fence line conditions for said master control borad provides foundation;
Terminal module; Be connected between the end of each group high-pressure metal alloy silk; Be used to mate the input impedance of said high-pressure detection unit and the output impedance of controllable high-voltage generation device,, realize anti-cross-over connection function for pulsed electron fence warning system provides the impedance variations of preventing cross-over connection.
2. pulsed electron fence warning system as claimed in claim 1 is characterized in that: also comprise being installed on the said high-pressure metal alloy silk, be used to strain the turnbuckle of high-pressure metal alloy silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100832540A CN102737458A (en) | 2011-04-02 | 2011-04-02 | Pulse electric fence alarm system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100832540A CN102737458A (en) | 2011-04-02 | 2011-04-02 | Pulse electric fence alarm system |
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| CN102737458A true CN102737458A (en) | 2012-10-17 |
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| CN2011100832540A Pending CN102737458A (en) | 2011-04-02 | 2011-04-02 | Pulse electric fence alarm system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077571A (en) * | 2012-12-27 | 2013-05-01 | 常州益佰安全设施有限公司 | Pulse electronic fence |
| CN103761819A (en) * | 2014-01-02 | 2014-04-30 | 上海大学 | Novel high-voltage electronic fence alarm system |
| CN104050766A (en) * | 2014-06-09 | 2014-09-17 | 上海广拓信息技术有限公司 | Pulse electronic fence contact alarm system and detection method |
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Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2314545A1 (en) * | 1975-06-12 | 1977-01-07 | Cit Alcatel | Intruder detector for fence - uses two wire system through which pulse is transmitted and time for pulse to return is measured |
| US4358764A (en) * | 1980-07-28 | 1982-11-09 | Southwest Microwave, Inc. | Coupling unit for coaxial cable including means for radiating wave energy |
| US4879544A (en) * | 1986-11-06 | 1989-11-07 | Control Data Canada Limited | Intrusion detection system |
| FR2638877A1 (en) * | 1988-11-10 | 1990-05-11 | Bosmy Ste Normande Clotures Et | Device for detecting a break in a perimeter fence, localised by stretches |
| CN1529289A (en) * | 2003-10-20 | 2004-09-15 | 邓剑平 | Sensing cable alarming method and device special for perimeter precaution |
| WO2008095160A1 (en) * | 2007-02-01 | 2008-08-07 | Gdi, Llc | An improved intrusion detection system for electric fences |
| CN201298265Y (en) * | 2008-11-20 | 2009-08-26 | 吴洪伟 | Transformer substation periphery safety protection system |
| CN101435848A (en) * | 2008-12-25 | 2009-05-20 | 西安四方机电有限责任公司 | Method for testing power cable fault based on secondary pulse mode |
| WO2011033517A1 (en) * | 2009-09-21 | 2011-03-24 | Magal Security Systems Ltd. | Intrusion detection system with location capability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077571A (en) * | 2012-12-27 | 2013-05-01 | 常州益佰安全设施有限公司 | Pulse electronic fence |
| CN103761819A (en) * | 2014-01-02 | 2014-04-30 | 上海大学 | Novel high-voltage electronic fence alarm system |
| CN104050766A (en) * | 2014-06-09 | 2014-09-17 | 上海广拓信息技术有限公司 | Pulse electronic fence contact alarm system and detection method |
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Application publication date: 20121017 |