CN205193186U - Relay protection alarm device - Google Patents
Relay protection alarm device Download PDFInfo
- Publication number
- CN205193186U CN205193186U CN201521012857.1U CN201521012857U CN205193186U CN 205193186 U CN205193186 U CN 205193186U CN 201521012857 U CN201521012857 U CN 201521012857U CN 205193186 U CN205193186 U CN 205193186U
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- China
- Prior art keywords
- emitting diode
- light emitting
- alarm
- relay protection
- voltage
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- 238000012360 testing method Methods 0.000 claims abstract description 54
- 238000003909 pattern recognition Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 9
- 241001136800 Anas acuta Species 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000002474 experimental method 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Abstract
The utility model provides a relay protection alarm device, include: triphase voltage alarm ware, voltage alarm ware include 3 voltage alarm test wires and 1 zero line, the colour of voltage alarm test wire and zero line respectively with the colour one -to -one of four -core relay protection testing line, tip at the voltage alarm test wire is provided with the plug that is used for with the grafting of four -core relay protection testing line plug afterbody, the top of plug is provided with the contact pin, and the inside series connection of plug has emitting diode and backward diode, emitting diode's lamp holder is in order to expose in the outside mode setting of plug, still be provided with the protection resistance that is used for the protection circuit between emitting diode and backward diode, electric current alarm with a plurality of phase separatings, be provided with emitting diode and backward diode in the electric current alarm, emitting diode's lamp holder is in order to expose in the outside mode setting of electric current alarm.
Description
Technical field
The utility model relates to protective relaying device debugging field, and specifically, the utility model is in particular to a kind of relay protection warning device.
Background technology
Along with administrative transformer station increases year by year, the examination of secondary specialty, debugging, all schools, maintenance present the feature that project is many, workload is large.In device experiment project, need pass into trial voltage electric current to protective relaying device, usually coordinated by two people, one man operation microcomputer test instrument, a people carries out test connection, and staff will in the face of test connection change frequently.When a people is at protection screen front observation protective device limit operation reaying protection test instrument; another people changes test connection after screen; if mismate, echo not in place; can cause that the latter is charged touches test connection by mistake, cause testing crew person low-voltage electric shock and reaying protection test instrument and protective device plug-in unit to damage.By upper analysis, in the device experiment project of known prior art, there is following characteristics and defect:
1, testing crew mismate may cause testing crew personal injury.
2, reaying protection test equipment easily damages.
Utility model content
The purpose of this utility model is to provide a kind of relay protection warning device; easily cause that operating personnel are charged touches test connection with what at least solve that prior art exists by mistake, cause testing crew person low-voltage electric shock and the problem such as reaying protection test instrument and the damage of protective device plug-in unit.
In order to solve the problem, the technical scheme that the utility model provides is as follows:
A kind of relay protection warning device, comprise: the voltage alarms based on pattern recognition of three-phase, described voltage alarms based on pattern recognition comprises the zero line of 3 voltage alarm test wires and 1 black, the color of described voltage alarm test wire and described zero line respectively with Huang, green, red, black four kinds of color one_to_one corresponding of four-core reaying protection test line; Be provided with in the end of described voltage alarm test wire for the plug with the grafting of four-core reaying protection test line pin tail; The top of described plug is provided with contact pin, and described plug inside is in series with light emitting diode and the backward dioded for preventing from puncturing light emitting diode; The lamp holder of described light emitting diode is arranged in the mode being exposed to described plug exterior; The protective resistance for the protection of circuit is also provided with between described light emitting diode and described backward dioded; With, the current alarm of multiple phase-splitting, described current alarm is open-core transformer structure, adopts buckle-type to connect; Light emitting diode and in parallel with described light emitting diode for preventing the backward dioded causing described current alarm secondary side to open a way in reversal periods is provided with in described current alarm; The lamp holder of described light emitting diode is arranged in the mode being exposed to described current alarm outside.
In above-mentioned relay protection warning device, more preferably: the light emitting diode of described voltage alarms based on pattern recognition is yellowish green Red LED1, the color of the lamp holder of described light emitting diode respectively with the color one_to_one corresponding of described voltage alarm test wire.
In above-mentioned relay protection warning device, more preferably: the light emitting diode of described current alarm is yellowish green Red LED1.
In above-mentioned relay protection warning device, more preferably: the pin of the light emitting diode of described voltage alarms based on pattern recognition and the backward dioded of described voltage alarms based on pattern recognition is also coated with heat-shrink tube.
In above-mentioned relay protection warning device, more preferably: the pin of the light emitting diode of described current alarm and the backward dioded of described current alarm is also coated with heat-shrink tube.
In above-mentioned relay protection warning device, more preferably: the working range of described voltage alarms based on pattern recognition is 5-100V.
In above-mentioned relay protection warning device, more preferably: the working range of described current alarm is 0.1-10A.
The utility model circuit design is simple and reliable; effectively can prevent voltage circuit short circuit and current return open circuit; its working range can meet needed for relay protection routine work, ensures personal safety and the device security of secondary work further, avoids risk from technical standpoint.In addition the electronic devices and components power energy consumption related to is little, can not impact test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the voltage alarms based on pattern recognition of relay protection warning device of the present utility model.
Fig. 2 is the schematic diagram of the voltage alarms based on pattern recognition of relay protection warning device of the present utility model.
Fig. 3 is the front view of the current alarm of relay protection warning device of the present utility model.
Fig. 4 is the side view of the current alarm of relay protection warning device of the present utility model.
Fig. 5 is the schematic diagram of the current alarm of relay protection warning device of the present utility model.
Fig. 6 is the use schematic diagram of the voltage alarms based on pattern recognition of relay protection warning device of the present utility model.
Fig. 7 is the use schematic diagram of the current alarm of relay protection warning device of the present utility model.
Number in the figure illustrates:
1-voltage alarms based on pattern recognition, 2-current alarm, 3-voltage alarm test wire, 4-plug, 5-light emitting diode, 6-backward dioded, 7-contact pin, 8-lamp holder, 9-protective resistance, 10-light emitting diode, 11-backward dioded, 12-lamp holder.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figures 1 to 7, the utility model preferred embodiment provides a kind of relay protection warning device, and it comprises the voltage alarms based on pattern recognition 1 of 1 three-phase and the current alarm 2 of multiple phase-splitting.
As shown in Figure 6; voltage alarms based on pattern recognition 1 adopts three-phase quadrature arrangement; comprise the zero line (N line) (not shown) of 3 voltage alarm test wires 3 and 1 black, the color of the zero line of 3 voltage alarm test wires 3 and black respectively with Huang, green, red, black four kinds of color one_to_one corresponding of four-core reaying protection test line.3 voltage alarm test wires 3 are connected with the afterbody of the zero line of 1 black, are provided with for the plug 4 with the grafting of test wire pin tail in the leading section of the zero line of 3 voltage alarm test wires 3 and 1 black.The top of plug 4 is provided with contact pin 7, and plug 4 internal series-connection has light emitting diode 5 and the backward dioded 6 (anti-breakdown diode) for preventing from puncturing light emitting diode 5.The lamp holder 8 of light emitting diode 5 is arranged in the mode being exposed to plug 4 outside.The protective resistance 9 for the protection of circuit is also provided with between light emitting diode 5 and backward dioded 6.The structure of voltage alarms based on pattern recognition 1 is simple, and its working range is 5-100V, can meet needed for relay protection routine work.
Preferably, light emitting diode 5 is yellowish green Red LED1, the color of its lamp holder 8 respectively with the color one_to_one corresponding of voltage alarm test wire 3.
As shown in Fig. 3, Fig. 4 and Fig. 5, current alarm 2 is open-core transformer structure, adopts buckle-type to connect.Light emitting diode 10 is provided with in current alarm 2, and in parallel with light emitting diode 10 for preventing the backward dioded 11 causing Current Transformer Secondary side to open a way in reversal periods.The lamp holder 12 of light emitting diode 10 is arranged in the mode being exposed to current alarm 2 outside.The circuit of current alarm 2 is simple and reliable, can sensitive display 0.1-10A electric current, the needs of relay protection routine work can be met.As shown in Figure 7, in use, only the buckle of current alarm 2 need be opened, the cable part of reaying protection test line is put into rear engaging buckle.That is, be similar to the using method of clamp table, corresponding phase line is snapped in current alarm.But for three-phase equilibrium electric current, variation rate of magnetic flux and be zero, then can not show, then answer phase-splitting to use this alarm.But asymmetric electric current sensitively can be indicated, therefore also can be used for monitoring test unit current open.
Preferably, light emitting diode 10 is yellowish green Red LED1.
In order to prevent short circuit, at light emitting diode 5 and the backward dioded 6 of voltage alarms based on pattern recognition 1, the light emitting diode 10 of current alarm 2 and the pin of backward dioded 11 are also coated with heat-shrink tube.
The test passing into voltage is needed for some; such as sample, be with to press off again and lock test; before the test 4 of voltage alarms based on pattern recognition 1 plugs 4 are accessed relay protection four-core test wire tail end by phase look order (yellow, green, red, black); again relay protection four-core test wire is inserted corresponding terminal block afterwards, test unit passes into voltage light emitting diode 5 and namely lights warning.
For through-flow test, such as sampling, overcurrent, zero sequence test, snap in current alarm 2 by corresponding phase line before the test.Namely warning is lighted when test unit passes into galvanoluminescence diode 8 to protective device.But for three-phase equilibrium electric current, variation rate of magnetic flux and be zero, then can not show, then phase-splitting is answered to use current alarm 2.But current alarm 2 can sensitively indicate for asymmetric electric current, so also can be used for monitoring test unit current open.
To sum up, the utility model can realize following beneficial effect:
One, voltage alarms based on pattern recognition of the present utility model and current alarm effectively can prevent operating personnel's warm swap test wire, reduce the personal injury to operating personnel.
Two, the loss of warm swap test wire to equipment can be reduced, increase the serviceable life of equipment.
Three, the working range of the working range of voltage alarms based on pattern recognition and current alarm is extensive, can effectively meet current need of work.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (5)
1. a relay protection warning device, is characterized in that, comprising:
The voltage alarms based on pattern recognition of three-phase, described voltage alarms based on pattern recognition comprises 3 voltage alarm test wires and 1 zero line, the color of described voltage alarm test wire and described zero line respectively with Huang, green, red, black four kinds of color one_to_one corresponding of four-core reaying protection test line; Be provided with in the end of described voltage alarm test wire for the plug with the grafting of four-core reaying protection test line pin tail; The top of described plug is provided with contact pin, and described plug inside is in series with light emitting diode and the backward dioded for preventing from puncturing described light emitting diode; The lamp holder of described light emitting diode is arranged in the mode being exposed to described plug exterior; The protective resistance for the protection of circuit is also provided with between described light emitting diode and described backward dioded;
With, the current alarm of multiple phase-splitting, described current alarm is open-core transformer structure, adopts buckle-type to connect; Light emitting diode and in parallel with described light emitting diode for preventing the backward dioded causing described current alarm secondary side to open a way in reversal periods is provided with in described current alarm; The lamp holder of described light emitting diode is arranged in the mode being exposed to described current alarm outside.
2. relay protection warning device according to claim 1, is characterized in that:
The light emitting diode of described voltage alarms based on pattern recognition is followed successively by yellow, green and red light emitting diodes, the color of the lamp holder of described light emitting diode respectively with the color one_to_one corresponding of described voltage alarm test wire.
3. relay protection warning device according to claim 1, is characterized in that:
The light emitting diode of described current alarm is followed successively by yellow, green and red light emitting diodes.
4. relay protection warning device according to claim 1, is characterized in that:
The pin of the light emitting diode of described voltage alarms based on pattern recognition and the backward dioded of described voltage alarms based on pattern recognition is also coated with heat-shrink tube.
5. relay protection warning device according to claim 1, is characterized in that:
The pin of the light emitting diode of described current alarm and the backward dioded of described current alarm is also coated with heat-shrink tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012857.1U CN205193186U (en) | 2015-12-08 | 2015-12-08 | Relay protection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012857.1U CN205193186U (en) | 2015-12-08 | 2015-12-08 | Relay protection alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205193186U true CN205193186U (en) | 2016-04-27 |
Family
ID=55786165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521012857.1U Withdrawn - After Issue CN205193186U (en) | 2015-12-08 | 2015-12-08 | Relay protection alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205193186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425075A (en) * | 2015-12-08 | 2016-03-23 | 国家电网公司 | Relay protection alarm device |
-
2015
- 2015-12-08 CN CN201521012857.1U patent/CN205193186U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425075A (en) * | 2015-12-08 | 2016-03-23 | 国家电网公司 | Relay protection alarm device |
| CN105425075B (en) * | 2015-12-08 | 2018-08-24 | 国家电网公司 | Relay protection warning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20180824 |