CN201107351Y - High voltage electrified display locking device - Google Patents

High voltage electrified display locking device Download PDF

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Publication number
CN201107351Y
CN201107351Y CNU2007201752646U CN200720175264U CN201107351Y CN 201107351 Y CN201107351 Y CN 201107351Y CN U2007201752646 U CNU2007201752646 U CN U2007201752646U CN 200720175264 U CN200720175264 U CN 200720175264U CN 201107351 Y CN201107351 Y CN 201107351Y
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CN
China
Prior art keywords
circuit
controller
locking device
inductor
display locking
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.)
Expired - Fee Related
Application number
CNU2007201752646U
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Chinese (zh)
Inventor
朴成哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI HAILAN ELECTRIC CO Ltd
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SHANGHAI HAILAN ELECTRIC CO Ltd
Priority date (The priority date 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 date listed.)
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Priority to CNU2007201752646U priority Critical patent/CN201107351Y/en
Application granted granted Critical
Publication of CN201107351Y publication Critical patent/CN201107351Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a high voltage electrification display locking device, the structure of which comprises a sensor and a controller. The sensor and the controller are arranged on high voltage line terminal equipment, the sensor passes through a lightning protection circuit, an I/V conversion module, a signal amplifier, and a logic circuit which are arranged in the controller, and then a signal is outputted by a signal output circuit. A self-checking circuit, a signal comparison module and a demodulation are arranged between the signal amplifier and the logic circuit, an adjustable switch mode power is arranged between the I/V conversion module and the logic circuit, the self-checking circuit is earthed through the lightning protection circuit, and the logic circuit is also connected with an LED indicator light. The electrification display locking device realizes the online electrification monitoring on an AC electric line, and has the additional functions of test display, warning, false locking prevention, data communication, etc. The device has wide application prospect on the aspects of line monitoring, power supply and power cut display, low-voltage alarm, earth wire open circuit, circuit automatic switch-over through support circuits, etc.

Description

High-voltage electriferous display locking device
Technical field
What this product related to is a kind of attachment device of high-tension line equipment, a kind of specifically high-voltage electriferous display locking device.
Background technology
The monitoring of line voltage distributions such as supply line, High-Voltage Experimentation device, demonstration, warning etc. are not only extremely important on safety, and also extremely important on the comfort level of using operation.In other words, switch the manual or electric operating that just can be associated after the confession, power-off condition of affirmations each several parts such as operation for confession, power failure operation, system, the necessity that line voltage distribution detects is well imagined, yet it is then uneconomical that a large amount of PT, CT are set in numerous local unit, and floor area is bigger, construction period is also longer, and other electrical verification modes of electrical verification rod, also be cumbersome and dangerous, the net connection between two places also problems such as wrong report, fault, time delay can occur.
In electric system, annual because of reasons such as maloperation or line short have caused huge property loss to country, operating personnel's injures and deaths also happen occasionally.For guaranteeing the safe operation of generating set and power transmission and transformation line, stop the generation of all kinds of accidents that the staff causes because of reasons such as maloperations, State Grid Corporation of China issued " about printing and distributing<prevent electric misoperation device management regulation〉notice " on July 7th, 2003 " (national grid is given birth to [2003] No. 243).
Existing electrical verification mode all has its shortcoming and defect, and as carrying out artificial electrical verification with the electrical verification rod, accuracy is higher, also is existing main electrical verification mode, but its operation is comparatively loaded down with trivial details, and is subjected to the influence of natural causes such as weather bigger.DSW type high-voltage electriferous display locking device is the reliable helper of high voltage supply circuit and hv cable termination equipment on-line monitoring, and to power supply, power failure operation, execute-in-places such as system's switching operation carry out necessary state confirmation.
The utility model content
Technical assignment of the present utility model is at above weak point, providing is high-voltage electriferous display locking device, an inductor is set in the formed electric field of tested high-tension line, under the charged situation of circuit, induced charge will appear on the electrode of inductor, the loop that utilizes little impedance earth to form converts induced charge to ground current, and the amplitude of this ground current is taken out as input signal.
The technical scheme that its technical matters that solves the utility model adopts is: high-voltage electriferous display locking device, its structure comprises sensor and controller, described sensor and controller are arranged on the high-tension line terminal device, sensor is by the lightning circuit in the controller, the I/V conversion module, signal amplifier, behind the logical circuit then by the signal output apparatus output signal, be provided with self-checking circuit between described signal amplifier and the logical circuit, signal comparison module and detection, be provided with the rearrangeable switch power supply between described I/V conversion module and the logical circuit, described self check power supply is by lightning circuit ground connection, and described logical circuit also is connected with LED light.
Described inductor is arranged in the electric field scope of the formation above the high-tension line, and controller then is arranged on the equipment entity of high-tension line below.
Described inductor is arranged on the inductor support by inductor clamping plate, inductor adjusting bracket, and the inductor support then is fixed on the ceramics bracket in the high-tension line.
Described controller outside is provided with protecting sheathing, and self check button, LED light, VR knob are set on housing.
The external structure of described inductor adopts the integral Al-alloy foundry goods, and built-in electrical insulation adopts the cast molding of import epoxy resin integral.
High-voltage electriferous display locking device of the present utility model has following beneficial effect:
Safe and reliable
Adopt the high voltage induction device, be installed in (its safe distance is decided according to electric pressure) beyond the effective and safe distance, directly do not contact, main equipment is not had any negative effect, can guarantee the safety of personnel and equipment with electrified body.For confirming further whether the device power down mode shows correct, and the operation personnel only need press the self check button, and whether working properly device will be verified automatically, protect the safety of personnel and equipment reliably.
Stable performance, antijamming capability are strong
Use the army's grade integrated circuit and the precise electronic components and parts of high reliability, stability is strong, the suitable environment wide ranges.Be provided with holding circuits such as filtering, overvoltage, overcurrent in controller, control circuit is installed in the electromagnetic screen can simultaneously, has improved the antijamming capability of device.
Communication function configuration flexibly
Controller has the communication function of RS232 or RS485 interface, and the status information of equipment is sent to higher level's receiver in real time, realizes the main control microcomputer monitoring.Controller can also be matched the power line carrier, PLC function according to customer requirements, and field wiring is simple, avoids Communication Jamming.
The degree of protection height
The external structure of inductor adopts the integral Al-alloy foundry goods, and the cast molding of import epoxy resin integral is adopted in interior insulation, has guaranteed the security of equipment and long-term serviceable life; Device adopts import high-protection level casing, has good anti-rain, anticorrosion and dirt exclusion capabilities.
Install, easy to operate, can be non-maintaining
Needn't carry out any change to former line system when this device is installed, can chargedly install.Inductor and controller architecture are reasonable, firm; Installation, easy to operate can be non-maintaining.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is a high-voltage electriferous display locking device schematic block circuit diagram of the present utility model;
Fig. 2 is a high-voltage electriferous display locking device of the present utility model structural front view when installing;
Fig. 3 is a high-voltage electriferous display locking device of the present utility model structure left view when installing;
Fig. 4 is a high-voltage electriferous display locking device controller housing structure synoptic diagram of the present utility model;
Fig. 5 is a high-voltage electriferous display locking device sensor attachment structure synoptic diagram of the present utility model.
Embodiment
Explain below with reference to Figure of description high-voltage electriferous display locking device of the present utility model being done.
High-voltage electriferous display locking device of the present utility model, its structure comprises sensor 1 and controller 2, described sensor 1 and controller 2 are arranged on the high-tension line terminal device, sensor 1 is by the lightning circuit in the controller 2, the I/V conversion module, signal amplifier, behind the logical circuit then by the signal output apparatus output signal, be provided with self-checking circuit between described signal amplifier and the logical circuit, signal comparison module and detection, be provided with the rearrangeable switch power supply between described I/V conversion module and the logical circuit, described self check power supply is by lightning circuit ground connection, and described logical circuit also is connected with LED light.
Described inductor 1 is arranged in the electric field scope of the formation above the high-tension line, and controller 2 then is arranged on the equipment entity of high-tension line below.
Described inductor 1 is arranged on the inductor support 9 by inductor clamping plate 7, inductor adjusting bracket 8, and inductor support 9 then is fixed on the ceramics bracket in the high-tension line.
Described controller outside is provided with protecting sheathing 3, and self check button 6, LED light 5, VR knob 4 are set on housing 3.
The external structure of described inductor 1 adopts the integral Al-alloy foundry goods, and built-in electrical insulation adopts the cast molding of import epoxy resin integral.
Controller is the core of charged display device, can be divided into indoor type controller and outdoor type controller according to the application scenario, can be divided into according to the cabinet difference mounting cabinet, console; Difference according to the cabinet material also can be divided into plastic-blasting cabinet, stainless steel cabinet.
This device is the induction type electrical verification, and it does not directly contact with high-voltage charged body, can not produce any negatively influencing to main equipment, and it is easy for installation, volume is little, needn't make any change to the existing line system.Compare the high reliability that has remarkable economical and can use all the year round with PT.For safety, electric power is supplied with operation accurately, rapidly that very big practical value is arranged.DSW type high-voltage electriferous display locking device is applicable to 40.5-550kv, frequency is in the electric system of 50/60Hz, the line supervision (whether detection line is charged) that is used for AC electric power systems, electrical verification shows (with red, green light light indication), (locking line side ground connection disconnecting link prevents electric misoperation simultaneously also can to carry out locking to associative operation mechanism; Other ground connection disconnecting links such as locking bus, main transformer are simplified locked loop, are saved cable and maintenance workload; The closing net door prevents mistakenly entering charged chamber), low-voltage reports to the police, ground wire opens circuit detects or realize by subsidiary control loop the automatic switchover etc. of circuit; Also can be used, electrical verification contact in line side directly is provided with shutting device to prevent mistakes in microcomputer, of many uses.Mainly be installed in following place:
The cable termination of generating plant, transformer station;
In GIS (gas insulated metal enclosed swit chgear) device;
The bus of transformer station;
The turnover line of supply station, comprise overhead transmission line and cable line;
Other high pressure, supertension line.
Compare with domestic like product: this device not only has anti-misoperation locking, the output of field intensity analog quantity, automatic switchover, characteristics that safe coefficient is high, but also has the power line carrier, PLC function, this is that other products is not available, and its degree of protection has reached international IP66 standard.Operating ambient temperature also by-25 of other producer~+ 40C ℃ brings up to-25~+ 70C ℃.
Input signal is measured and debugging
After correct installation wiring is finished, guarantee that operating voltage is normal, the circuit height is pressed with under the situation of electricity, serves power supply, and power light is bright, and preheating can be debugged after 5 minutes; Open controller box lid, rotation VR knob, the current value of the characteristic curve diagram when finding the red green conversion of pilot lamp.The VR knob is threaded to Δ 10, begins left-handedly to become green light when bright to pilot lamp, read the scale position of VR this moment, the current value of this point correspondence is found out in the back in performance diagram, and this current value is the electric current of input that inductor is responded to.The current value of inductor induction is more satisfactory state when 14~16A, if scalable inductor adjuster bar in this scope not, reaches or near perfect condition.Current value as correspondence is 10uA, pairing shelves place when the VR knob is transferred to 10-10 * 50%=5uA, and the like the formula adjustment, pilot lamp should be red light, the closing controller lid, debugging finishes.

Claims (5)

1, high-voltage electriferous display locking device, it is characterized in that: its structure comprises sensor and controller, described sensor and controller are arranged on the high-tension line terminal device, sensor is by the lightning circuit in the controller, the I/V conversion module, signal amplifier, behind the logical circuit then by the signal output apparatus output signal, be provided with self-checking circuit between described signal amplifier and the logical circuit, signal comparison module and detection, be provided with the rearrangeable switch power supply between described I/V conversion module and the logical circuit, described self check power supply is by lightning circuit ground connection, and described logical circuit also is connected with LED light.
2, high-voltage electriferous display locking device according to claim 1 is characterized in that: described inductor is arranged in the electric field scope of the formation above the high-tension line, and controller then is arranged on the equipment entity of high-tension line below.
3, high-voltage electriferous display locking device according to claim 1 and 2, it is characterized in that: described inductor is arranged on the inductor support by inductor clamping plate, inductor adjusting bracket, and the inductor support then is fixed on the ceramics bracket in the high-tension line.
4, high-voltage electriferous display locking device according to claim 1 and 2 is characterized in that: described controller outside is provided with protecting sheathing, and self check button, LED light, VR knob are set on housing.
5, high-voltage electriferous display locking device according to claim 1 and 2 is characterized in that: the external structure of described inductor adopts the integral Al-alloy foundry goods, and built-in electrical insulation adopts the cast molding of import epoxy resin integral.
CNU2007201752646U 2007-08-29 2007-08-29 High voltage electrified display locking device Expired - Fee Related CN201107351Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201752646U CN201107351Y (en) 2007-08-29 2007-08-29 High voltage electrified display locking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201752646U CN201107351Y (en) 2007-08-29 2007-08-29 High voltage electrified display locking device

Publications (1)

Publication Number Publication Date
CN201107351Y true CN201107351Y (en) 2008-08-27

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Application Number Title Priority Date Filing Date
CNU2007201752646U Expired - Fee Related CN201107351Y (en) 2007-08-29 2007-08-29 High voltage electrified display locking device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895089A (en) * 2010-07-06 2010-11-24 常州合众电气有限公司 High voltage electriferous display locking device based on fundamental wave and phase
CN102608399A (en) * 2012-04-12 2012-07-25 苏州苏海亚电气有限公司 High-voltage electrified display locking device
CN103777061A (en) * 2014-01-28 2014-05-07 国家电网公司 Remote-control electrification display locking device
WO2015161625A1 (en) * 2014-04-24 2015-10-29 朱林学 Electronic lock for power line
CN105098706A (en) * 2014-05-20 2015-11-25 庄孟文 High voltage live-line display locking device with good safety performance
CN106154015A (en) * 2016-08-10 2016-11-23 国网江苏省电力公司南通供电公司 Distributed power source circuit middle-placed switch cabinet miniaturized circuitry voltage collecting device
WO2019174075A1 (en) * 2018-03-16 2019-09-19 镇江华源晋昌电器有限公司 Direct current high-voltage live display locking device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101895089A (en) * 2010-07-06 2010-11-24 常州合众电气有限公司 High voltage electriferous display locking device based on fundamental wave and phase
CN101895089B (en) * 2010-07-06 2012-11-28 常州合众电气有限公司 High voltage electriferous display locking device based on fundamental wave and phase
CN102608399A (en) * 2012-04-12 2012-07-25 苏州苏海亚电气有限公司 High-voltage electrified display locking device
CN103777061A (en) * 2014-01-28 2014-05-07 国家电网公司 Remote-control electrification display locking device
WO2015161625A1 (en) * 2014-04-24 2015-10-29 朱林学 Electronic lock for power line
CN105098706A (en) * 2014-05-20 2015-11-25 庄孟文 High voltage live-line display locking device with good safety performance
CN106154015A (en) * 2016-08-10 2016-11-23 国网江苏省电力公司南通供电公司 Distributed power source circuit middle-placed switch cabinet miniaturized circuitry voltage collecting device
WO2019174075A1 (en) * 2018-03-16 2019-09-19 镇江华源晋昌电器有限公司 Direct current high-voltage live display locking device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080827

Termination date: 20110829