CN202815071U - High-voltage live detection indication system - Google Patents
High-voltage live detection indication system Download PDFInfo
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- CN202815071U CN202815071U CN 201220476823 CN201220476823U CN202815071U CN 202815071 U CN202815071 U CN 202815071U CN 201220476823 CN201220476823 CN 201220476823 CN 201220476823 U CN201220476823 U CN 201220476823U CN 202815071 U CN202815071 U CN 202815071U
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Abstract
The utility model discloses a high-voltage live detection indication system, which comprises a high-voltage signal acquisition and processing module connected with lines of different voltage grades in various substations, wherein the high-voltage signal acquisition and processing module is connected with an optical isolation module, and the optical isolation module is connected with an indication and output control module. The system can automatically adapt to lines of different voltage grades and carry out corresponding indication and output control. The device is usually installed on inlet buses, circuit breakers, main transformers, switch cabinets, GIS combination electric appliances and in other places which require electrification state displaying to prevent electrical misoperations, is easy and flexible to use, can be used alone in the field and can be integrated with other measurement and control devices in use or can be used in match with the devices based on conditions in the field. The high-voltage live detection indication system can be widely used in all 6-35000 kV substations.
Description
Technical field
The utility model relates to power system device, and particularly a kind of electrification in high voltage detects indication mechanism.
Background technology
In the electric system, high voltage display device is a kind of with whether charged correct the showing of signal of high-voltage charged body, prevent maloperation, be used for security audit and grid switching operation, also can utilize blocking device and high-tension apparatus to interlock, make equipment reach " five is anti-" requirement, prevent maloperation, guarantee the device of personal safety.Because principle is relatively simple, easy to use, fault is few, so its working service is often out in the cold.But the high voltage display device internal circuit directly contacts with high-voltage charged body, also cause easily the high-voltage electrical apparatus accident in case go wrong, particularly the sensor of post insulator style is namely made supporting element, extract again voltage signal, the withstand long term exposure high voltage will not cause serious consequence if do not draw attention.
The utility model content
The purpose of this utility model provides a kind of electrification in high voltage and detects indication mechanism, adopt described photoelectric isolation module to be connected between the high-voltage signal acquisition processing module that comprises and the indication output control module, solved with direct contact of high-voltage charged body and contacted, avoided damaging the accident that causes because of high voltage life indicator.Simple, practical, the stable and reliable hardware system of this system's employing adapts to 6~35 kilovolts of different electric pressure circuits automatically, and makes corresponding indication and export control.Easy to use, flexible, can use at the scene separately.
The purpose of this utility model realizes by following technical proposals.
A kind of electrification in high voltage detects indication mechanism, comprises the high-voltage signal acquisition processing module that different electric pressure circuits from each transformer station link to each other, and described high-voltage signal acquisition processing module connects the light isolation module, and the light isolation module connects the indication output control module.
The utility model is further characterized in that:
The output terminal of the different electric pressure circuits of described each transformer station is respectively equipped with A phase, B phase, C phase, N phase.
Described high-voltage signal acquisition processing module is provided with takes out piezoelectricity appearance plug, extracts certain voltage as the charged indication of device and the signal source of locking from the three-phase high-voltage energized circuit by taking out piezoelectricity appearance plug.
The circuit that described photoelectric isolation module adopts isolated component to form carries out physical isolation with high-voltage signal acquisition processing module input end and indication output control module output terminal, to improve this model charged display device Operation safety and reliability.
The exploitation of this high voltage display device is extensively to listen to the electric system consumers' opinions, develops the new generation product that forms on the basis for problems of the prior art and deficiency, and this device has following distinguishing feature:
A) reliability is high: can be outside the circuit safe distance, and whether detecting sensor is charged, and has obvious directivity, higher sensitivity, safe and reliable.
B) good economy performance: simple and convenient, maintenance cost is low, long service life.
C) multiple functional: this device has flash of light and shows that audible alarm etc. can cooperate with error-proof devices such as electromagnetic lock, Mechanically programm's lock, microcomputer lockings, implements forced blocking, really embodies the effect of comprehensive forced blocking.
D) wide adaptability: various informative, can be widely used in the various occasions such as indoor, outdoor, GIS combined electrical apparatus and switchgear.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model structured flowchart.
Embodiment
Shown in the structured flowchart of Fig. 1, this electrification in high voltage detects indication mechanism, comprise the high-voltage signal acquisition processing module that different electric pressure circuits from each transformer station link to each other, described high-voltage signal acquisition processing module connects the light isolation module, and the light isolation module connects the indication output control module.
Wherein, the output terminal of the different electric pressure circuits of each transformer station is respectively equipped with A phase, B phase, C phase, N phase.The high-voltage signal acquisition processing module is provided with the piezoelectricity of taking out that extracts voltage from the three-phase high-voltage energized circuit and holds plug, extracts certain voltage as the charged indication of device and the signal source of locking from the three-phase high-voltage energized circuit by taking out piezoelectricity appearance plug.Photoelectric isolation module carries out the circuit that physically-isolated isolated component forms by inputting with output, high-voltage signal acquisition processing module input end and indication output control module output terminal are carried out physical isolation, to improve this model charged display device Operation safety and reliability.The indication output control module is used for the reflection charged state, prevents electric misoperation.
Native system is provided with inductosyn at the different electric pressure circuits of each transformer station, and installation of sensors is below high-voltage charged body, and display is installed in is convenient to the position that the operational management personnel observe.Sensor produces the current signal of an alternation under the effect of high-voltage alternating electric field, by cable this sensor current signal is sent to high-voltage signal acquisition process mould.After signal is processed through filtering, overvoltage protection, decompression transformation etc.; electric signal is sent into photoelectric isolation module; after signal outputs to output control module again through the photoelectricity isolated variable; carry out little processing through compensation, amplification control circuit again; the various desired signals such as final output display signal (the traffic lights flash of light shows audible alarm) and locking.
This system is installed in line-to-ground disconnecting link side, can play the effect that prevents charged mistake splice grafting ground disconnecting link.Whether this system can charged in the outer detection of charging equipment safe distance charged (equipment), cooperating the enforcement forced blocking with error-proof devices such as electromagnetic lock, Mechanically programm, microcomputor program lock, microcomputer lockings, is the comparatively ideal security system that prevents electric misoperation on outdoor (indoor) electrical equipment.
Technical indicator
Circuit rated voltage: 6~35,50Hz
Display working power: AC220V, DC220V/110V
Forced blocking contact rating: AC220V/5A
Power consumption≤5W
Rated insulation level (1min power frequency) 2000V
The duty prompting:
When a) circuit is charged, A, B, C three-phase prompting when red, " locking " green indicating lamp does not work, and output forced blocking signal.
When b) circuit was not charged, A, B, C three-phase prompting red light did not work, and " locking " green indicating lamp is bright, simultaneously removing locked signal.
C) during non-transformer: red, green light does not all work.
Mission life: 〉=10000 times
Show output signal:
A) the charged indication of emitting red light ultra-bright LED three-phase.
B) green emitting ultra-bright LED locking indication.
C) the passive output contact of one tunnel locking.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by claims of submitting to.
Claims (4)
1. an electrification in high voltage detects indication mechanism, it is characterized in that: comprise the high-voltage signal acquisition processing module that different electric pressure circuits from each transformer station link to each other, described high-voltage signal acquisition processing module connects the light isolation module, and the light isolation module connects the indication output control module.
2. electrification in high voltage according to claim 1 detects indication mechanism, it is characterized in that: the output terminal of the different electric pressure circuits of described each transformer station is respectively equipped with A phase, B phase, C phase, N phase.
3. electrification in high voltage according to claim 1 detects indication mechanism, it is characterized in that: described high-voltage signal acquisition processing module is provided with the piezoelectricity of taking out that extracts voltage from the three-phase high-voltage energized circuit and holds plug.
4. electrification in high voltage according to claim 1 detects indication mechanism, it is characterized in that: described photoelectric isolation module carries out the circuit that physically-isolated isolated component forms by inputting with output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220476823 CN202815071U (en) | 2012-09-18 | 2012-09-18 | High-voltage live detection indication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220476823 CN202815071U (en) | 2012-09-18 | 2012-09-18 | High-voltage live detection indication system |
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CN202815071U true CN202815071U (en) | 2013-03-20 |
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CN 201220476823 Expired - Fee Related CN202815071U (en) | 2012-09-18 | 2012-09-18 | High-voltage live detection indication system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106597076A (en) * | 2016-12-23 | 2017-04-26 | 川铁电气(天津)股份有限公司 | Subway 1.5kV intelligent live detection device |
CN107741521A (en) * | 2017-11-30 | 2018-02-27 | 福州大学 | Three-phase system non-contact type high voltage is powered to judge instruction device and its method |
-
2012
- 2012-09-18 CN CN 201220476823 patent/CN202815071U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106597076A (en) * | 2016-12-23 | 2017-04-26 | 川铁电气(天津)股份有限公司 | Subway 1.5kV intelligent live detection device |
CN107741521A (en) * | 2017-11-30 | 2018-02-27 | 福州大学 | Three-phase system non-contact type high voltage is powered to judge instruction device and its method |
CN107741521B (en) * | 2017-11-30 | 2023-06-09 | 福州大学 | Three-phase system non-contact high-voltage electrification judging and indicating device and method thereof |
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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: 20130320 Termination date: 20150918 |
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EXPY | Termination of patent right or utility model |