CN103781269A - Anode/cathode short-circuit maintaining output circuit of high-voltage electronic pulse detector - Google Patents
Anode/cathode short-circuit maintaining output circuit of high-voltage electronic pulse detector Download PDFInfo
- Publication number
- CN103781269A CN103781269A CN201410071085.2A CN201410071085A CN103781269A CN 103781269 A CN103781269 A CN 103781269A CN 201410071085 A CN201410071085 A CN 201410071085A CN 103781269 A CN103781269 A CN 103781269A
- Authority
- CN
- China
- Prior art keywords
- circuit
- output
- voltage pulse
- short
- polarity switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses an anode/cathode short-circuit maintaining output circuit of a high-voltage electronic pulse detector. The circuit comprises a polarity switching circuit A and a polarity switching circuit B, wherein the polarity switching circuit A and the polarity switching circuit B both consist of relays K, triodes T1 and diodes D; the input ends of the relays K are connected with the output end of a high-voltage pulse generation circuit; the control ends of the relays K are respectively connected with the anodes of the diodes D and the collectors of the triodes T1; the power supply ends of the relays K are connected with the cathodes of the diodes D; the emitters of the triodes T1 are grounded; the bases of the triodes T1 are connected with the output end of a short-circuit detection circuit through resistors R1; the output ends of the input ends of the relays K are connected with the input end of a high-voltage pulse output circuit. By adopting the circuit, the situation that the defense function of an electronic fence system is degraded because of the short-circuit phenomenon of a front end detection fence is avoided, the switching efficiency is improved, and the circuit is simple in structure.
Description
Technical field
The present invention is applied to fence field, particularly relates to when short circuit appears in a kind of conductor wire that can survey fence at front end and still can guarantee that the both positive and negative polarity short circuit of the high-voltage electronic pulse detector that has high pressure between two adjacent conductor wires keeps output circuit.
Background technology
The high-voltage pulse that high-voltage electronic pulse detector produces is input to front end and surveys on the each conductor wire on fence, and two adjacent polarity that conductor wire is with are contrary, i.e. first conduction tape high pressure positive voltage, second conduction tape high pressure negative voltage, thereby make to have voltage difference between two adjacent conductor wires, therefore, high-voltage electronic pulse detector and front end detection fence have formed the electronic enclosure system having take " deterrence is as main, and warning is auxiliary ".At present, existing electronic enclosure system is in the time of short-circuit conditions, can only send warning, with prompting monitor staff, it is zero that but front end is now surveyed the voltage of fence short circuit part, thereby reduce the defense function of fence, made electronic enclosure system have potential safety hazard, especially for special important events such as frontier defense region, place of military importance, museum and prisons.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, while providing a kind of conductor wire that can survey fence at front end to occur short circuit, still can guarantee that the both positive and negative polarity short circuit of the high-voltage electronic pulse detector that has high pressure between two adjacent conductor wires keeps output circuit, by polarity switching circuit being set in high-voltage electronic pulse detector, by polarity switching circuit and short-circuit detecting circuit acting in conjunction, realize in the time that short-circuit conditions appears in front end detection fence, polarity switching circuit can switch the polarity that outputs to adjacent two conductor wires on front end detection fence timely, thereby avoid surveying fence because of front end and occur that short circuit phenomenon causes the defense function of electronic enclosure system to reduce, a simultaneously diode in parallel between the power end of relay K and control end, the continuous current circuit of relay was both provided, again can be in the time that control signal be inputted a power end control end of effective block system relay K, guarantee relay K control switch work rapidly, thereby improve switching rate.
The object of the invention is to be achieved through the following technical solutions: the both positive and negative polarity short circuit of high-voltage electronic pulse detector keeps output circuit, and it comprises:
One high-voltage pulse output circuit, is connected with front end high electrical network conductor wire, and it is exported high positive pressure and receives respectively on two adjacent conductor wires with output high pressure is negative;
One high-voltage pulse produces circuit, produces high-voltage pulse, is connected with high-voltage pulse output circuit, and the high pressure of generation is loaded in the conduction of front end through high-voltage pulse output circuit, and polarity of voltage difference on adjacent two conductor wires;
One short-circuit detecting circuit, the short-circuit conditions of adjacent two conductor wires on detection front end high electrical network;
It also comprises that being arranged on high-voltage pulse produces the polarity switching circuit A between circuit anode output and high-voltage pulse output circuit input and be arranged on the polarity switching circuit B between high-voltage pulse generation circuit cathode output end and high-voltage pulse output circuit input, and the control end of polarity switching circuit A and polarity switching circuit B is connected with the output of short-circuit detecting circuit respectively.
Described polarity switching circuit A and polarity switching circuit B form by relay K, triode T1 and diode D, the input of relay K is connected with the output that high-voltage pulse produces circuit, the control end of relay K is connected with the collector electrode of triode T1 with the anode of diode D respectively, the feeder ear of relay K is connected with the negative electrode of diode D, the grounded emitter of triode T1, the base stage of triode T1 is connected with the output of short-circuit detecting circuit through resistance R 1, and the output of the input of relay K is connected with the input of high-voltage pulse output circuit.
The invention has the beneficial effects as follows: by polarity switching circuit and short-circuit detecting circuit acting in conjunction, realize in the time that short-circuit conditions appears in front end detection fence, polarity switching circuit can switch the polarity that outputs to adjacent two conductor wires on front end detection fence timely, occurs that short circuit phenomenon causes the defense function of electronic enclosure system to reduce thereby avoided surveying fence because of front end; A simultaneously diode in parallel between the power end of relay K and control end, the continuous current circuit of relay was both provided, again can be in the time that control signal be inputted a power end control end of effective block system relay K, guarantee relay K control switch work rapidly, thereby improved switching rate; Circuit structure is simple.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, the both positive and negative polarity short circuit of high-voltage electronic pulse detector keeps output circuit, and it comprises:
One high-voltage pulse output circuit, is connected with front end high electrical network conductor wire, and it is exported high positive pressure and receives respectively on two adjacent conductor wires with output high pressure is negative;
One high-voltage pulse produces circuit, produces high-voltage pulse, is connected with high-voltage pulse output circuit, and the high pressure of generation is loaded in the conduction of front end through high-voltage pulse output circuit, and polarity of voltage difference on adjacent two conductor wires;
One short-circuit detecting circuit, detect the short-circuit conditions of adjacent two conductor wires on front end high electrical network, adopt comparator that the electric current and voltage value and the threshold values that detect are compared, thereby output high level or low level, when the voltage detecting lower than threshold values or the electric current that detects higher than threshold values, comparator output high level, otherwise output low level;
It also comprises that being arranged on high-voltage pulse produces the polarity switching circuit A between circuit anode output and high-voltage pulse output circuit input and be arranged on the polarity switching circuit B between high-voltage pulse generation circuit cathode output end and high-voltage pulse output circuit input, and the control end of polarity switching circuit A and polarity switching circuit B is connected with the output of short-circuit detecting circuit respectively;
Described polarity switching circuit A and polarity switching circuit B form by relay K, triode T1 and diode D, the input of relay K is connected with the output that high-voltage pulse produces circuit, the control end of relay K is connected with the collector electrode of triode T1 with the anode of diode D respectively, the feeder ear of relay K is connected with the negative electrode of diode D, the grounded emitter of triode T1, the base stage of triode T1 is connected with the output of short-circuit detecting circuit through resistance R 1, and the output of the input of relay K is connected with the input of high-voltage pulse output circuit.
Between civil power or electricity for subsequent use and high-voltage pulse generation circuit, be also provided with power supply automatic switchover circuit, can guarantee the non-stop run of high-voltage electronic pulse detector.
An explanation specific works process of the present invention as an example of polarity switching circuit A example: the output terminals A that high-voltage pulse produces circuit is for just, and B is for bearing.Polarity switching circuit A by relay K, triode T1 and diode D form, described relay K is dpdt relay K, the moving point of the double-pole of dpdt relay K connects output terminals A, fixed point connects the input of high-voltage pulse output circuit, described high-voltage pulse output circuit is a transformer, the output one termination GND of transformer, the other end is output as positive high voltage pulse, diode D is connected in parallel between the power end and control end of dpdt relay K, and the anode of diode D is connected with the control end of dpdt relay K, the control end of dpdt relay K is also connected with the collector electrode of triode T1, the grounded emitter of triode T1, the base stage of triode T1 is connected with the output of short-circuit detecting circuit by resistance R 1, in the time there is short circuit in front end detection fence, short-circuit detecting circuit output high level, make triode T1 conducting, now diode D cut-off, dpdt relay K controls the moving point of double-pole and connects output B, now, dpdt relay K in polarity switching circuit B controls the moving of double-pole and receives output terminals A from output B, output to the pulse voltage polarity on conductor wire on front end detection fence thereby changed, make front end survey fence and between two conductor wires of jingle bell, also have high pressure under short-circuit conditions, and then avoid occurring that because of front end detection fence it is zero to voltage between line that short-circuit conditions causes front end to survey adjacent two of fence, make fence have the problem of potential safety hazard.The power supply of dpdt relay K is direct current 12V, polarity switching circuit B is just in time contrary with the course of work of polarity switching circuit A, the moving point of double-pole that is the dpdt relay K in polarity switching circuit B first meets output B, in the time that short-circuit conditions appears in front end detection fence, the moving point of double-pole of dpdt relay K is adsorbed to output terminals A.
Claims (2)
1. the both positive and negative polarity short circuit of high-voltage electronic pulse detector keeps output circuit, it is characterized in that: it comprises:
One high-voltage pulse output circuit, is connected with front end high electrical network conductor wire, and it is exported high positive pressure and receives respectively on two adjacent conductor wires with output high pressure is negative;
One high-voltage pulse produces circuit, produces high-voltage pulse, is connected with high-voltage pulse output circuit, and the high pressure of generation is loaded in the conduction of front end through high-voltage pulse output circuit, and polarity of voltage difference on adjacent two conductor wires;
One short-circuit detecting circuit, the short-circuit conditions of adjacent two conductor wires on detection front end high electrical network;
It also comprises that being arranged on high-voltage pulse produces the polarity switching circuit A between circuit anode output and high-voltage pulse output circuit input and be arranged on the polarity switching circuit B between high-voltage pulse generation circuit cathode output end and high-voltage pulse output circuit input, and the control end of polarity switching circuit A and polarity switching circuit B is connected with the output of short-circuit detecting circuit respectively.
2. the both positive and negative polarity short circuit of high-voltage electronic pulse detector according to claim 1 keeps output circuit, it is characterized in that: described polarity switching circuit A and polarity switching circuit B are by relay K, triode T1 and diode D form, the input of relay K is connected with the output that high-voltage pulse produces circuit, the control end of relay K is connected with the collector electrode of triode T1 with the anode of diode D respectively, the feeder ear of relay K is connected with the negative electrode of diode D, the grounded emitter of triode T1, the base stage of triode T1 is connected with the output of short-circuit detecting circuit through resistance R 1, the output of the input of relay K is connected with the input of high-voltage pulse output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071085.2A CN103781269B (en) | 2014-02-28 | 2014-02-28 | The both positive and negative polarity short circuit of high-voltage electronic pulse detector keeps output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071085.2A CN103781269B (en) | 2014-02-28 | 2014-02-28 | The both positive and negative polarity short circuit of high-voltage electronic pulse detector keeps output circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103781269A true CN103781269A (en) | 2014-05-07 |
| CN103781269B CN103781269B (en) | 2016-02-03 |
Family
ID=50572936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071085.2A Active CN103781269B (en) | 2014-02-28 | 2014-02-28 | The both positive and negative polarity short circuit of high-voltage electronic pulse detector keeps output circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103781269B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010011950A1 (en) * | 1999-08-27 | 2001-08-09 | Carson Anthony R. | Apparatus for detecting operation of an electric fence and fence charger |
| CN2750617Y (en) * | 2004-11-15 | 2006-01-04 | 李成友 | Intelligent controller for whole network electrified periphery-blocking security protection electric network |
| WO2008095160A1 (en) * | 2007-02-01 | 2008-08-07 | Gdi, Llc | An improved intrusion detection system for electric fences |
| GB2427769B (en) * | 2005-06-23 | 2008-11-05 | Gallagher Group Ltd | Improvements in and relating to electric fence systems |
| CN201425766Y (en) * | 2009-05-14 | 2010-03-17 | 上海广拓信息技术有限公司 | Main machine for multi-wire impulse electronic rail |
| CN101743687A (en) * | 2007-07-17 | 2010-06-16 | 莱斯利·肖恩·赫尔利 | Electric fence energiser |
| CN203722901U (en) * | 2014-02-28 | 2014-07-16 | 四川为民科技有限公司 | Positive and negative short-circuit retaining output circuit for high-voltage electronic pulse detector |
-
2014
- 2014-02-28 CN CN201410071085.2A patent/CN103781269B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010011950A1 (en) * | 1999-08-27 | 2001-08-09 | Carson Anthony R. | Apparatus for detecting operation of an electric fence and fence charger |
| CN2750617Y (en) * | 2004-11-15 | 2006-01-04 | 李成友 | Intelligent controller for whole network electrified periphery-blocking security protection electric network |
| GB2427769B (en) * | 2005-06-23 | 2008-11-05 | Gallagher Group Ltd | Improvements in and relating to electric fence systems |
| WO2008095160A1 (en) * | 2007-02-01 | 2008-08-07 | Gdi, Llc | An improved intrusion detection system for electric fences |
| CN101743687A (en) * | 2007-07-17 | 2010-06-16 | 莱斯利·肖恩·赫尔利 | Electric fence energiser |
| CN201425766Y (en) * | 2009-05-14 | 2010-03-17 | 上海广拓信息技术有限公司 | Main machine for multi-wire impulse electronic rail |
| CN203722901U (en) * | 2014-02-28 | 2014-07-16 | 四川为民科技有限公司 | Positive and negative short-circuit retaining output circuit for high-voltage electronic pulse detector |
Non-Patent Citations (3)
| Title |
|---|
| M.G.B.DE MARTINO ET AL.: "AN ELECTRIC FENCE ENERGIZER DESIGN METHOD", 《2006 IEEE INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS CONFERENCE》 * |
| 张建国 曹银杰: "智能化电子围栏系统的设计研究", 《科技信息》 * |
| 肖儿良 等: "一种智能化的高压脉冲电子围栏主机的设计", 《计算机系统应用》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103781269B (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203415971U (en) | Anti-overvoltage surge protection control circuit designed based on field-effect transistor | |
| CN103390878A (en) | Lamp power output overvoltage protection circuit and lamp | |
| CN203519761U (en) | Anti-error-connection detecting circuit for zero line and live line of AC power | |
| CN204882821U (en) | Killer switch state detection circuitry | |
| CN203722901U (en) | Positive and negative short-circuit retaining output circuit for high-voltage electronic pulse detector | |
| CN206135384U (en) | DC power supply short -circuit protective device(SCPD) | |
| CN103781269A (en) | Anode/cathode short-circuit maintaining output circuit of high-voltage electronic pulse detector | |
| CN204269750U (en) | Diode open-circuit testing circuit | |
| CN203398784U (en) | Reversal connection protection circuit of battery charging circuit | |
| CN203772980U (en) | Wiring structure used for detecting passive switch signal | |
| CN202372620U (en) | Detection circuit of circuit breaker | |
| CN103280865A (en) | Charging port with over-voltage protection | |
| CN202474848U (en) | Intelligent lightning protection guard circuit | |
| CN204008825U (en) | A kind of overvoltage protection device with warning function | |
| CN104577961A (en) | Overvoltage power-off protection circuit | |
| CN204992542U (en) | Dead type overvoltage crowbar of lock | |
| CN204925294U (en) | Be suitable for 10 kilovolts of warning device of trouble for distribution lines | |
| CN103813603B (en) | The short-circuit-proof output holding circuit of prison high-voltage fence | |
| CN204696664U (en) | The output overvoltage undervoltage protection device of DC-DC power source | |
| CN203278357U (en) | Charging port circuit with overvoltage protection function | |
| CN203722903U (en) | Short-circuit-proof output retaining circuit for high-voltage prison power grid | |
| CN203465345U (en) | External voltage automatic detection and alarm circuit | |
| CN104393563A (en) | Mains supply monitoring system | |
| CN204928112U (en) | Direct current surge suppression circuit and DC power supply power supply system | |
| CN203572869U (en) | Passive peak value follower circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |