CN105425075B - Relay protection warning device - Google Patents
Relay protection warning device Download PDFInfo
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- CN105425075B CN105425075B CN201510901101.0A CN201510901101A CN105425075B CN 105425075 B CN105425075 B CN 105425075B CN 201510901101 A CN201510901101 A CN 201510901101A CN 105425075 B CN105425075 B CN 105425075B
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- 230000004224 protection Effects 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 238000003909 pattern recognition Methods 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 241001136800 Anas acuta Species 0.000 claims abstract description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 7
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- 208000027418 Wounds and injury Diseases 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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Abstract
The present invention provides a kind of relay protection warning device, including：The voltage alarms based on pattern recognition of three-phase, voltage alarms based on pattern recognition include 3 voltage alarm test wires and 1 zero curve, and the color of voltage alarm test wire and zero curve is corresponded with the color of four core reaying protection test lines respectively；It is useful for the plug with four core reaying protection test line pin tail grafting in the end set of voltage alarm test wire；The top of plug is provided with contact pin, and plug inside is in series with light emitting diode and backward dioded；The lamp cap of light emitting diode is arranged in a manner of being exposed to plug exterior；The protective resistance for protecting circuit is additionally provided between light emitting diode and backward dioded；With the current alarm of multiple split-phases；Light emitting diode and backward dioded are provided in current alarm；The lamp cap of light emitting diode is arranged in a manner of being exposed to outside current alarm.
Description
Technical field
The present invention relates to protective relaying devices to debug field, specifically, the present invention is more particularly directed to a kind of relay protection reports
Alarm device.
Background technology
As administrative substation increases year by year, the examination of secondary profession, debugging, all schools, maintenance show that project is more, works
Measure big feature.In device experiment project, test voltage electric current need to be passed through to protective relaying device, usually with two people,
One man operation microcomputer tester, a people carry out test connection, and staff will face frequent test connection and change.When a people exists
Protection screen front observes protective device side and operates reaying protection test instrument, and another people changes test connection after screen, if cooperation is not
When, echo it is not in place, can cause the latter electrification accidentally touch test connection, cause testing crew person low-voltage electric shock and relay protection
Tester and the damage of protective device plug-in unit.By upper analysis, it is known that in the device experiment project of the prior art there are following characteristics and
Defect：
1, testing crew mismate is likely to result in testing crew personal injury.
2, reaying protection test equipment is easily damaged.
Invention content
The purpose of the present invention is to provide a kind of relay protection warning devices, at least to solve of the existing technology be easy
Cause operating personnel's electrification accidentally to touch test connection, causes testing crew person low-voltage electric shock and reaying protection test instrument and protection
The problems such as device plug-in unit damages.
To solve the above-mentioned problems, technical solution provided by the invention is as follows：
A kind of relay protection warning device, including：The voltage alarms based on pattern recognition of three-phase, the voltage alarms based on pattern recognition include 3 voltages
The color of the zero curve of alarm test wire and 1 black, the voltage alarm test wire and the zero curve is protected with four core relays respectively
Yellow, green, red, the black four kinds of colors for protecting test wire correspond；The end set of the voltage alarm test wire be useful for
The plug of four core reaying protection test line pin tail grafting；The top of the plug is provided with contact pin, the plug inside string
It is associated with light emitting diode and the backward dioded for preventing breakdown light emitting diode；The lamp cap of the light emitting diode is to expose
It is arranged in the mode of the plug exterior；It is additionally provided between the light emitting diode and the backward dioded for protecting
The protective resistance of circuit；With, the current alarm of multiple split-phases, the current alarm is open-core transformer structure, using card
Button connects；Light emitting diode is provided in the current alarm and in parallel with the light emitting diode for preventing
The backward dioded of the current alarm secondary side open circuit is caused in reversal periods；The lamp cap of the light emitting diode is to expose
Mode outside the current alarm is arranged.
In above-mentioned relay protection warning device, further preferably：The light emitting diode of the voltage alarms based on pattern recognition is Huang
The color of green Red LED1, the lamp cap of the light emitting diode is a pair of with the color of the voltage alarm test wire one respectively
It answers.
In above-mentioned relay protection warning device, further preferably：The light emitting diode of the current alarm is Huang
Green Red LED1.
In above-mentioned relay protection warning device, further preferably：The light emitting diode of the voltage alarms based on pattern recognition and institute
The pin for stating the backward dioded of voltage alarms based on pattern recognition is also wrapped on heat-shrink tube.
In above-mentioned relay protection warning device, further preferably：The light emitting diode of the current alarm and institute
The pin for stating the backward dioded of current alarm is also wrapped on heat-shrink tube.
In above-mentioned relay protection warning device, further preferably：The working range of the voltage alarms based on pattern recognition is 5-
100V。
In above-mentioned relay protection warning device, further preferably：The working range of the current alarm is 0.1-
10A。
Circuit design of the present invention is simple and reliable, voltage circuit short circuit and current loop can be effectively prevent to open a way, work
Range disclosure satisfy that the personal safety that secondary work is further ensured needed for relay protection routine work and equipment safety, from skill
Art angle avoids risk.The electronic component power energy consumption additionally related to is small, will not be impacted to experiment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the voltage alarms based on pattern recognition of the relay protection warning device of the present invention.
Fig. 2 is the schematic diagram of the voltage alarms based on pattern recognition of the relay protection warning device of the present invention.
Fig. 3 is the front view of the current alarm of the relay protection warning device of the present invention.
Fig. 4 is the side view of the current alarm of the relay protection warning device of the present invention.
Fig. 5 is the schematic diagram of the current alarm of the relay protection warning device of the present invention.
Fig. 6 is the use schematic diagram of the voltage alarms based on pattern recognition of the relay protection warning device of the present invention.
Fig. 7 is the use schematic diagram of the current alarm of the relay protection warning device of the present invention.
Figure label explanation：
1- voltage alarms based on pattern recognition, 2- current alarms, 3- voltage alarm test wires, 4- plugs, 5- light emitting diodes, 6- are reversed
Diode, 7- contact pins, 8- lamp caps, 9- protective resistances, 10- light emitting diodes, 11- backward diodeds, 12- lamp caps.
Specific implementation mode
The present invention is described in further details with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 7, the preferred embodiment of the present invention provides a kind of relay protection warning device comprising 1 three
The voltage alarms based on pattern recognition 1 of phase and the current alarm 2 of multiple split-phases.
As shown in fig. 6, voltage alarms based on pattern recognition 1 uses three-phase quadrature arrangement, including 3 voltage alarm test wires 3 and 1 black
Zero curve (N lines) (not shown), the color of the zero curve of 3 voltage alarm test wires 3 and black respectively with four core relay protections
Yellow, green, red, black four kinds of colors of test wire correspond.The tail portion phase of the zero curve of 3 voltage alarm test wires 3 and 1 black
Even, the front end of 3 voltage alarm test wires 3 and the zero curve of 1 black be provided with for test wire pin tail grafting
Plug 4.The top of plug 4 is provided with contact pin 7, and 4 internal series-connection of plug has light emitting diode 5 and for preventing breakdown luminous two
The backward dioded 6 (anti-breakdown diode) of pole pipe 5.The lamp cap 8 of light emitting diode 5 is set in a manner of being exposed to 4 outside of plug
It sets.The protective resistance 9 for protecting circuit is additionally provided between light emitting diode 5 and backward dioded 6.Voltage alarms based on pattern recognition 1
Structure it is simple, working range 5-100V can meet needed for relay protection routine work.
Preferably, light emitting diode 5 is yellowish green Red LED1, and the color of lamp cap 8 is tested with voltage alarm respectively
The color of line 3 corresponds.
As shown in Fig. 3, Fig. 4 and Fig. 5, current alarm 2 is open-core transformer structure, is connected using buckle-type.In electric current
It is provided with light emitting diode 10 in alarm 2, and in parallel with light emitting diode 10 for preventing from causing electricity in reversal periods
The backward dioded 11 of current transformer secondary side open circuit.The lamp cap 12 of light emitting diode 10 is to be exposed to outside current alarm 2
Mode be arranged.The circuit of current alarm 2 is simple and reliable, can it is sensitive display 0.1-10A electric current, relay protection can be met
The needs of routine work.As shown in fig. 7, when in use, only the buckle of current alarm 2 need to be opened, by reaying protection test
The cable part of line engages buckle after being put into.That is, similar to the application method of clamp table, corresponding phase line is caught in electric current
Alarm.But for three-phase equilibrium electric current, variation rate of magnetic flux and be zero will not then show, then split-phase is answered to use this
Alarm.But asymmetric electric current sensitive can be indicated, therefore can also be used for monitoring experimental rig current open.
Preferably, light emitting diode 10 is yellowish green Red LED1.
It is short-circuit in order to prevent, in the light emitting diode 5 and backward dioded 6 of voltage alarms based on pattern recognition 1, the hair of current alarm 2
The pin of optical diode 10 and backward dioded 11 is also wrapped on heat-shrink tube.
Lock experiment is pressed off again for the experiment that some need to be passed through voltage, such as sampling, band, before the test by voltage alarm
4 plugs 4 of device 1 are later again protected relay by (yellow, green, red, black) the four core test wire tail end of access relay protection of phase color sequence
It protects four core test wires and is inserted into corresponding terminal block, experimental rig is passed through voltage light emitting diode 5 and lights alarm.
For through-flow test, such as sampling, overcurrent, zero sequence experiment, corresponding phase line is caught in electric current alarm before the test
Device 2.Alarm is lighted when experimental rig is passed through galvanoluminescence diode 8 to protective device.But for three-phase equilibrium electricity
Stream, variation rate of magnetic flux and be zero will not then be shown, then split-phase is answered to use current alarm 2.But current alarm 2 for
Asymmetric electric current sensitive can indicate, so can also be used for monitoring experimental rig current open.
To sum up, following advantageous effect may be implemented in the present invention：
One, voltage alarms based on pattern recognition and current alarm of the invention can effectively prevent operating personnel and plug experiment
Line reduces the personal injury to operating personnel.
Two, loss of the hot plugging test wire to equipment can be reduced, the service life of equipment is increased.
Three, the working range of voltage alarms based on pattern recognition and the working range of current alarm are extensive, can effectively meet current
Need of work.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (5)
1. a kind of relay protection warning device, which is characterized in that including：
The voltage alarms based on pattern recognition of three-phase, the voltage alarms based on pattern recognition include 3 voltage alarm test wires and 1 zero curve, the voltage report
The color of alert test wire and the zero curve is a pair of with yellow, green, red, black four kinds of colors of four core reaying protection test lines one respectively
It answers；It is useful in the end set of the voltage alarm test wire slotting with four core reaying protection test line pin tail grafting
Head；The top of the plug is provided with contact pin, and the plug inside is in series with light emitting diode and for preventing from puncturing the hair
The backward dioded of optical diode；The lamp cap of the light emitting diode is arranged in a manner of being exposed to the plug exterior；Institute
State the protective resistance being additionally provided between light emitting diode and the backward dioded for protecting circuit；
With, the current alarm of multiple split-phases, the current alarm is open-core transformer structure, is connected using buckle-type；
Light emitting diode is provided in the current alarm and in parallel with the light emitting diode for preventing in reversal periods
Cause the backward dioded of the current alarm secondary side open circuit；The lamp cap of the light emitting diode is to be exposed to the electric current
Mode outside alarm is arranged.
2. relay protection warning device according to claim 1, it is characterised in that：
The light emitting diode of the voltage alarms based on pattern recognition is followed successively by yellow, green and red light emitting diodes, the light emitting diode
Lamp cap color respectively with the color of the voltage alarm test wire correspond.
3. relay protection warning device according to claim 1, it is characterised in that：
The light emitting diode of the current alarm is followed successively by yellow, green and red light emitting diodes.
4. relay protection warning device according to claim 1, it is characterised in that：
The pin of the backward dioded of the light emitting diode of the voltage alarms based on pattern recognition and the voltage alarms based on pattern recognition is also wrapped on pyrocondensation
Pipe.
5. relay protection warning device according to claim 1, it is characterised in that：
The pin of the light emitting diode of the current alarm and the backward dioded of the current alarm is also wrapped on pyrocondensation
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901101.0A CN105425075B (en) | 2015-12-08 | 2015-12-08 | Relay protection warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901101.0A CN105425075B (en) | 2015-12-08 | 2015-12-08 | Relay protection warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105425075A CN105425075A (en) | 2016-03-23 |
| CN105425075B true CN105425075B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510901101.0A Active CN105425075B (en) | 2015-12-08 | 2015-12-08 | Relay protection warning device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104809A (en) * | 1994-10-12 | 1995-07-05 | 褚衍芝 | Relay protector |
| CN201893232U (en) * | 2010-08-04 | 2011-07-06 | 湖北天瑞电子有限公司 | Open type current transformer |
| CN102368434A (en) * | 2011-03-08 | 2012-03-07 | 江苏科兴电器有限公司 | Open-type electronic current transformer |
| CN102522708B (en) * | 2011-12-14 | 2014-11-05 | 保定供电公司 | Sealing current device with automatic detector |
| CN204789914U (en) * | 2015-06-16 | 2015-11-18 | 国家电网公司 | A circuit detection device for secondary system of transformer substation |
| CN205193186U (en) * | 2015-12-08 | 2016-04-27 | 国家电网公司 | Relay protection alarm device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101324086B1 (en) * | 2013-04-15 | 2013-10-31 | 한국산업은행 | Multi-mode tov testing system |
-
2015
- 2015-12-08 CN CN201510901101.0A patent/CN105425075B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104809A (en) * | 1994-10-12 | 1995-07-05 | 褚衍芝 | Relay protector |
| CN201893232U (en) * | 2010-08-04 | 2011-07-06 | 湖北天瑞电子有限公司 | Open type current transformer |
| CN102368434A (en) * | 2011-03-08 | 2012-03-07 | 江苏科兴电器有限公司 | Open-type electronic current transformer |
| CN102522708B (en) * | 2011-12-14 | 2014-11-05 | 保定供电公司 | Sealing current device with automatic detector |
| CN204789914U (en) * | 2015-06-16 | 2015-11-18 | 国家电网公司 | A circuit detection device for secondary system of transformer substation |
| CN205193186U (en) * | 2015-12-08 | 2016-04-27 | 国家电网公司 | Relay protection alarm device |
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| Publication number | Publication date |
|---|---|
| CN105425075A (en) | 2016-03-23 |
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