CN205229443U - A secondary circuit remote control phase converter for voltage transformer is experimental - Google Patents
A secondary circuit remote control phase converter for voltage transformer is experimental Download PDFInfo
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- CN205229443U CN205229443U CN201521066944.5U CN201521066944U CN205229443U CN 205229443 U CN205229443 U CN 205229443U CN 201521066944 U CN201521066944 U CN 201521066944U CN 205229443 U CN205229443 U CN 205229443U
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Abstract
The utility model relates to a secondary circuit remote control phase converter for voltage transformer is experimental. Including being used for for the power module of whole device power supply, wireless remote control switch module, first to the 2nd relay module, time delay module, LED indicator, flash of light buzzer and binding post, the wireless remote control switch module is used for receiving the wireless remote control signal, the output of wireless remote control switch module and a relay module's electrical apparatus winding connection, a relay module's output is connected to the 2nd relay module's electrical apparatus coil, LED indicator and time delay module, the 2nd relay module's input is through binding post and A, B, C three -phase voltage transformer connects, the 2nd relay module's output and binding post are connected, the output of time delay module is connected to the flash of light buzzer. The utility model discloses different relay output contacts of wireless remote control control deciliter realize that A, B, C three -phase voltage transformer secondary circuit gating insert test circuit and carry out acousto -optic warning.
Description
Technical field
The utility model relates to a kind of secondary circuit remote control phase changer, the secondary circuit remote control phase changer used when being applicable to voltage transformer test, particularly a kind of secondary circuit remote control phase changer for voltage transformer test.
Background technology
Because voltage transformer (VT) belongs to the legal measurement instrument of state compulsion management, with electric energy metrical accuracy and settle accounts fairness, and safe operation of electric network reliability is directly related, must specify that by national metrological verification regulations " electric power mutual-inductor " (JJG1021-2007) (the electromagnetic potential transformer calibration interval are 10 years, and the capacitance type potential transformer calibration interval are 4 years) carries out field test.The voltage transformer test cycle is frequent, thread replacing work amount is large one by one for Secondary Circuit of Potential Transformer, and transducer check personnel are limited, and voltage transformer (VT) field test belongs to high-potting work, work on the spot risk point is more, make the efficiency of surveying work extremely low, also make testing crew frequently contact high pressure and thread-changing of ascending a height, reduce the problem of the security of production.In order to reduce testing crew contact high pressure, the frequency of thread-changing of ascending a height and mis-wired probability, being necessary to be optimized secondary circuit commutation operating process, increasing work efficiency and job security.
Summary of the invention
The purpose of this utility model is to provide a kind of secondary circuit remote control phase changer for voltage transformer test, this phase changer can carry out straighforward operation gating A phase, B phase, C phase voltage transformer secondary circuit access test loop in the distance, greatly simplify the commutation work of secondary circuit in voltage transformer test process, improve work efficiency, effectively prevent the generation of false wiring and accident, also reduce the frequency of testing crew contact high pressure, operation of ascending a height simultaneously.
For achieving the above object, the technical solution of the utility model is: a kind of secondary circuit remote control phase changer for voltage transformer test, comprises power module, radio remote control switch module, the first to the second relay module, time delay module, LED indicator, flashing buzzer and connection terminal; Described power module is used for powering for described radio remote control switch module, the first to the second relay module, time delay module, LED indicator and flashing buzzer; Described radio remote control switch module is for receiving wireless remote control signals, the output terminal of this radio remote control switch module is connected with the electric apparatus coil of described first relay module, the output terminal of described first relay module is connected to the electric apparatus coil of described second relay module, LED indicator and time delay module, the input end of described second relay module is connected with A, B, C threephase potential transformer through connection terminal, the output terminal of described second relay module is connected with connection terminal, and the output terminal of described time delay module is connected to flashing buzzer.
In the utility model one embodiment, described first relay module is N number of 4 open 4 and close relay, and described second relay module is that M 4 opens 4 and closes relay, and wherein N, M are the natural number being greater than 1.
In the utility model one embodiment, described N, M are 3.
In the utility model one embodiment, described first relay module comprises relay K M1, KM2, KM3, and described second relay module comprises relay K M4, KM5, KM6; The electric apparatus coil of described relay K M1 is connected with the 1st normally opened contact of radio remote control switch module, the electric apparatus coil of described relay K M2 is connected with the 2nd normally opened contact of radio remote control switch module, and the electric apparatus coil of described relay K M3 is connected with the 3rd normally opened contact of radio remote control switch module; 1st road normally closed contact the 1st locked loop in series of the 1st road normally opened contact of described relay K M1, the 1st road normally closed contact of relay K M2, relay K M3; 2nd road normally closed contact the 2nd locked loop in series of the 2nd road normally opened contact of relay K M2, relay K M1 the 2nd road normally closed contact, relay K M3; 3rd road normally closed contact the 3rd locked loop in series of the 3rd road normally opened contact of relay K M3, the 3rd road normally closed contact of relay K M1, relay K M2; The electric apparatus coil of described relay K M4 connects the 1st locked loop; The electric apparatus coil of described relay K M5 connects the 2nd locked loop; The electric apparatus coil of described relay K M6 connects the 3rd locked loop; The 4 road normal opened contacts of described relay K M4, KM5, KM6 are connected to described connection terminal respectively.
In the utility model one embodiment, also comprise 38 core cables, described connection terminal comprises 38 core plug socket connectors, 8 banana head binding posts, described relay K M4, KM5, one end of the 4 road normal opened contacts of KM6 is respectively through 38 core plug socket connectors, article 3,8 core cable and A, B, C threephase potential transformer connects, described relay K M4, KM5, the other end of the 1st road normal opened contact of KM6 is connected to the 1st banana head binding post, described relay K M4, KM5, the other end of the 2nd road normal opened contact of KM6 is connected to the 2nd banana head binding post, described relay K M4, KM5, the other end of the 3rd road normal opened contact of KM6 is connected to the 3rd banana head binding post, described relay K M4, KM5, the other end of the 4th road normal opened contact of KM6 is connected to the 4th banana head binding post, described 5th to the 8th banana head binding post is connected with 38 core plug socket connectors.
In the utility model one embodiment, described connection terminal comprises 38 core plug socket connectors, 8 banana head binding posts.
In the utility model one embodiment, described radio remote control switch module is the 315MHz radio remote control switch of 3 tunnel interlockings.
In the utility model one embodiment, described flashing buzzer is acoustic pressure 100dB and the above flashing buzzer sending out pulsed sound.
In the utility model one embodiment, described power module is 12VDC accumulator.
Compared to prior art, the utility model has following beneficial effect: the utility model, based on the different relay output contact deciliter of radio remote control switch remote pilot, realizes A, B, C threephase potential transformer secondary circuit and switches access test loop and the function of carrying out sound and light alarm.
Accompanying drawing explanation
Fig. 1 is the utility model one embodiment circuit theory diagrams.
Fig. 2 is the utility model one embodiment A, B, C threephase potential transformer second loop return wiring figure.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is specifically described.
As shown in Figure 1-2, a kind of secondary circuit remote control phase changer for voltage transformer test of the present utility model, comprises power module, radio remote control switch module, the first to the second relay module, time delay module, LED indicator, flashing buzzer and connection terminal; Described power module is used for powering for described radio remote control switch module, the first to the second relay module, time delay module, LED indicator and flashing buzzer; Described radio remote control switch module is for receiving wireless remote control signals, the output terminal of this radio remote control switch module is connected with the electric apparatus coil of described first relay module, the output terminal of described first relay module is connected to the electric apparatus coil of described second relay module, LED indicator and time delay module, the input end of described second relay module is connected with A, B, C threephase potential transformer through connection terminal, the output terminal of described second relay module is connected with connection terminal, and the output terminal of described time delay module is connected to flashing buzzer.Described first relay module is N number of 4 open 4 and close relay, and described second relay module is that M 4 opens 4 and closes relay, and wherein N, M are the natural number being greater than 1.Described N, M are 3.
Described first relay module comprises relay K M1, KM2, KM3, and described second relay module comprises relay K M4, KM5, KM6; The electric apparatus coil of described relay K M1 is connected with the 1st normally opened contact (in Fig. 1 A) of radio remote control switch module, the electric apparatus coil of described relay K M2 is connected with the 2nd normally opened contact (in Fig. 1 B) of radio remote control switch module, and the electric apparatus coil of described relay K M3 is connected with the 3rd normally opened contact (in Fig. 1 C) of radio remote control switch module; 1st road normally closed contact the 1st locked loop in series of the 1st road normally opened contact of described relay K M1, the 1st road normally closed contact of relay K M2, relay K M3; 2nd road normally closed contact the 2nd locked loop in series of the 2nd road normally opened contact of relay K M2, relay K M1 the 2nd road normally closed contact, relay K M3; 3rd road normally closed contact the 3rd locked loop in series of the 3rd road normally opened contact of relay K M3, the 3rd road normally closed contact of relay K M1, relay K M2; The electric apparatus coil of described relay K M4 connects the 1st locked loop; The electric apparatus coil of described relay K M5 connects the 2nd locked loop; The electric apparatus coil of described relay K M6 connects the 3rd locked loop; The 4 road normal opened contacts of described relay K M4, KM5, KM6 are connected to described connection terminal respectively.
Also comprise 38 core cables, described connection terminal comprises 38 core plug socket connectors, 8 banana head binding posts, described relay K M4, KM5, one end of the 4 road normal opened contacts of KM6 is respectively through 38 core plug socket connectors, article 3,8 core cable and A, B, C threephase potential transformer connects, described relay K M4, KM5, the other end of the 1st road normal opened contact of KM6 is connected to the 1st banana head binding post, described relay K M4, KM5, the other end of the 2nd road normal opened contact of KM6 is connected to the 2nd banana head binding post, described relay K M4, KM5, the other end of the 3rd road normal opened contact of KM6 is connected to the 3rd banana head binding post, described relay K M4, KM5, the other end of the 4th road normal opened contact of KM6 is connected to the 4th banana head binding post, described 5th to the 8th banana head binding post is connected with 38 core plug socket connectors.
Described radio remote control switch module is the 315MHz radio remote control switch of 3 tunnel interlockings.Described flashing buzzer is acoustic pressure 100dB and the above flashing buzzer sending out pulsed sound.Described power module is 12VDC accumulator.
It is below specific implementation process of the present utility model.
As shown in Figure 1, 2, a kind of secondary circuit remote control phase changer for voltage transformer test of the present utility model, radio remote control switch module normally opened contact A and the first group relay KM1 electric apparatus coil forming circuit the 1st branch road; Radio remote control switch module normally opened contact B and the first group relay KM2 electric apparatus coil forming circuit the 2nd branch road; Radio remote control switch module normally opened contact C and the first group relay KM3 electric apparatus coil forming circuit the 3rd branch road; First group relay KM1 the 1st road normally opened contact, the first group relay KM2 the 1st road normally closed contact, the first group relay KM3 the 1st road normally closed contact locked loop 1 in series, circuit in series 4th branch road is carried out in this loop and LED indicator 1, second group relay KM4 electric apparatus coil shunt circuit; First group relay KM2 the 2nd road normally opened contact, the first group relay KM1 the 2nd road normally closed contact, the first group relay KM3 the 2nd road normally closed contact locked loop 2 in series, circuit in series 5th branch road is carried out in this loop and LED indicator 2, second group relay KM5 electric apparatus coil shunt circuit; First group relay KM3 the 3rd road normally opened contact, the first group relay KM1 the 3rd road normally closed contact, the first group relay KM2 the 3rd road normally closed contact locked loop 3 in series, circuit in series 6th branch road is carried out in this loop and LED indicator 3, second group relay KM6 electric apparatus coil shunt circuit; First group relay KM1 the 4th road normally opened contact, time delay module A switch, flashing buzzer circuit in series 7th branch road; First group relay KM2 the 4th road normally opened contact, time delay module B switch, flashing buzzer circuit in series 8th branch road; First group relay KM3 the 4th road normally opened contact, time delay module C switch, flashing buzzer circuit in series 9th branch road; Locked loop 1,2,3 forms the Logic judgment loop preventing telepilot A, B, C two and above button from simultaneously closing, and prevents the 4th branch road in circuit, the 5th branch road, the 6th branch road more than two articles simultaneously powered.Gating the 1st during A, B, C tri-tunnel remote signal that telepilot sends, 2,3 branch roads are powered, through locked loop 1,2,3 Logic judgment backgating the 4th, 5,6 branch roads are powered, second certain relay of group relay KM4, KM5, KM6 the 1st, 2,3,4 road normally opened contact adhesive in Fig. 2, just can complete A, B, C threephase potential transformer secondary circuit commutation operation.
A, B, C threephase potential transformer second loop return wiring figure of the present utility model is see Fig. 2.
In the present embodiment, setting phase changer has 2 road sound and light alarms: 1, LED indicator, and 2, flashing buzzer.Preferably, LED indicator 1,2,3 selects Huang, green, red three kinds of glow colors to switch to which phase voltage transformer secondary circuit at present for distally testing crew instruction phase changer respectively.Preferably, flashing buzzer selects acoustic pressure 100dB and the above flashing buzzer sending out pulsed sound please perform control for warning care provider around to prepare beginning pressure build-up test.
In the present embodiment, comprise time delay module, the time delay of time delay module A, B, C tri-switches is adjustable for trip time, for controlling the 7th, 8,9 branch road flashing buzzer time of fire alarming, prevent the long-time interference test personnel sense of hearing, affect testing crew and surrounding environment abnormal sound is judged.
It is noted that the utility model is applicable to the application in various voltage transformer test place, and be not limited to the application in voltage transformer test place out of doors.
Above-described embodiment limits the utility model never in any form, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belongs to protection domain of the present utility model.
Claims (9)
1. for a secondary circuit remote control phase changer for voltage transformer test, it is characterized in that: comprise power module, radio remote control switch module, the first to the second relay module, time delay module, LED indicator, flashing buzzer and connection terminal; Described power module is used for powering for described radio remote control switch module, the first to the second relay module, time delay module, LED indicator and flashing buzzer; Described radio remote control switch module is for receiving wireless remote control signals, the output terminal of this radio remote control switch module is connected with the electric apparatus coil of described first relay module, the output terminal of described first relay module is connected to the electric apparatus coil of described second relay module, LED indicator and time delay module, the input end of described second relay module is connected with A, B, C threephase potential transformer through connection terminal, the output terminal of described second relay module is connected with connection terminal, and the output terminal of described time delay module is connected to flashing buzzer.
2. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 1, it is characterized in that: described first relay module is N number of 4 open 4 and close relay, described second relay module is that M 4 opens 4 and closes relay, and wherein N, M are the natural number being greater than 1.
3. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 2, is characterized in that: described N, M are 3.
4. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 3, it is characterized in that: described first relay module comprises relay K M1, KM2, KM3, described second relay module comprises relay K M4, KM5, KM6; The electric apparatus coil of described relay K M1 is connected with the 1st normally opened contact of radio remote control switch module, the electric apparatus coil of described relay K M2 is connected with the 2nd normally opened contact of radio remote control switch module, and the electric apparatus coil of described relay K M3 is connected with the 3rd normally opened contact of radio remote control switch module; 1st road normally closed contact the 1st locked loop in series of the 1st road normally opened contact of described relay K M1, the 1st road normally closed contact of relay K M2, relay K M3; 2nd road normally closed contact the 2nd locked loop in series of the 2nd road normally opened contact of relay K M2, relay K M1 the 2nd road normally closed contact, relay K M3; 3rd road normally closed contact the 3rd locked loop in series of the 3rd road normally opened contact of relay K M3, the 3rd road normally closed contact of relay K M1, relay K M2; The electric apparatus coil of described relay K M4 connects the 1st locked loop; The electric apparatus coil of described relay K M5 connects the 2nd locked loop; The electric apparatus coil of described relay K M6 connects the 3rd locked loop; The 4 road normal opened contacts of described relay K M4, KM5, KM6 are connected to described connection terminal respectively.
5. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 4, it is characterized in that: also comprise 38 core cables, described connection terminal comprises 38 core plug socket connectors, 8 banana head binding posts, described relay K M4, KM5, one end of the 4 road normal opened contacts of KM6 is respectively through 38 core plug socket connectors, article 3,8 core cable and A, B, C threephase potential transformer connects, described relay K M4, KM5, the other end of the 1st road normal opened contact of KM6 is connected to the 1st banana head binding post, described relay K M4, KM5, the other end of the 2nd road normal opened contact of KM6 is connected to the 2nd banana head binding post, described relay K M4, KM5, the other end of the 3rd road normal opened contact of KM6 is connected to the 3rd banana head binding post, described relay K M4, KM5, the other end of the 4th road normal opened contact of KM6 is connected to the 4th banana head binding post, described 5th to the 8th banana head binding post is connected with 38 core plug socket connectors.
6. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 1, is characterized in that: described connection terminal comprises 38 core plug socket connectors, 8 banana head binding posts.
7. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 1, is characterized in that: described radio remote control switch module is the 315MHz radio remote control switch of 3 tunnel interlockings.
8. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 1, is characterized in that: described flashing buzzer is acoustic pressure 100dB and the above flashing buzzer sending out pulsed sound.
9. a kind of secondary circuit remote control phase changer for voltage transformer test according to claim 1, is characterized in that: described power module is 12VDC accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066944.5U CN205229443U (en) | 2015-12-21 | 2015-12-21 | A secondary circuit remote control phase converter for voltage transformer is experimental |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066944.5U CN205229443U (en) | 2015-12-21 | 2015-12-21 | A secondary circuit remote control phase converter for voltage transformer is experimental |
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|---|---|
| CN205229443U true CN205229443U (en) | 2016-05-11 |
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| CN201521066944.5U Active CN205229443U (en) | 2015-12-21 | 2015-12-21 | A secondary circuit remote control phase converter for voltage transformer is experimental |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459208A (en) * | 2018-04-18 | 2018-08-28 | 国家电网公司 | Relative medium is lost and the separate switching device of the remote control of capacitance ratio test |
| CN118938107A (en) * | 2024-10-15 | 2024-11-12 | 浙江华采科技有限公司 | Electronic voltage transformer testing device and testing method |
-
2015
- 2015-12-21 CN CN201521066944.5U patent/CN205229443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459208A (en) * | 2018-04-18 | 2018-08-28 | 国家电网公司 | Relative medium is lost and the separate switching device of the remote control of capacitance ratio test |
| CN118938107A (en) * | 2024-10-15 | 2024-11-12 | 浙江华采科技有限公司 | Electronic voltage transformer testing device and testing method |
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