CN204515114U - A kind of portable high-pressure electrification display test unit - Google Patents
A kind of portable high-pressure electrification display test unit Download PDFInfo
- Publication number
- CN204515114U CN204515114U CN201520138534.0U CN201520138534U CN204515114U CN 204515114 U CN204515114 U CN 204515114U CN 201520138534 U CN201520138534 U CN 201520138534U CN 204515114 U CN204515114 U CN 204515114U
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- voltage
- transformer
- multiplying circuit
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000007689 inspection Methods 0.000 claims description 3
- 206010059875 Device ineffective Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model is a kind of high-voltage charge display device test unit, comprise step-up transformer, three-phase supply interface and voltage-multiplying circuit, three-phase supply interface two-phase connect respectively fuse and power switch access step-up transformer former limit, many groups keyswitch is parallel to the former limit of step-up transformer after connecting with contactor coil, the secondary of step-up transformer is connected to multistage voltage-multiplying circuit, the output terminal of every grade of voltage-multiplying circuit is all electrically connected to corresponding lead-out terminal, contactor normal opened contact is provided with between the output terminal of every grade of voltage-multiplying circuit and corresponding lead-out terminal, the circuit of output terminal of one group of keyswitch one-level voltage-multiplying circuit corresponding to contactor coil, closed by contactor coil control contactor normal opened contact, any two lead-out terminals all can produce different voltage.The utility model solves high-voltage charge display device site test does not in the past have the problem of test apparatus, reduces labour intensity simultaneously, raises labour efficiency.
Description
Technical field
The utility model relates to a kind of test unit, particularly relates to a kind of portable high-pressure electrification display test unit, belongs to power high voltage field tests.
Background technology
At present, known high-voltage charge display device has been widely used on high-tension apparatus, as a kind of auxiliary high voltage testing means, when being especially arranged on concealment part, it is the important evidence as electrical verification, known high-voltage charge display device inside is electron device, after having grown service time, the hydraulic performance decline of electronic devices and components, even damage, make high-voltage charge display device ineffective, operating personnel is misled, very easily cause charged co-grounding switch or serious accident such as installing ground wire and human body electrification etc., the test of high-voltage charge display device can use high pressure generator, but high pressure generator volume is larger, be not easy to carry, and complicated operation, at present, not yet test is carried out to high-voltage charge display device both at home and abroad, more there is no suitable portable test unit.
Utility model content
The deficiency of suitable portable test unit is not had in order to overcome existing high-voltage charge display device, the utility model provides a kind of high-voltage charge display device test unit, solve high-voltage charge display device site test in the past and there is no the problem of test apparatus, reduce labour intensity simultaneously, raise labour efficiency.
The utility model is achieved in that a kind of portable high-pressure electrification display test unit, and this device comprises:
Step-up transformer, three-phase supply interface and voltage-multiplying circuit, three-phase supply interface two-phase connect respectively fuse and power switch access step-up transformer former limit, many groups keyswitch is parallel to the former limit of step-up transformer after connecting with contactor coil, the secondary of step-up transformer is connected to multistage voltage-multiplying circuit, the output terminal of every grade of voltage-multiplying circuit is all electrically connected on corresponding lead-out terminal, contactor normal opened contact is provided with between the output terminal and corresponding lead-out terminal of every grade of voltage-multiplying circuit, the circuit of output terminal of one group of keyswitch one-level voltage-multiplying circuit corresponding to contactor coil, closed by contactor coil control contactor normal opened contact, any two lead-out terminals all can produce different voltage, for test, input terminal lead-out terminal being connected to high-voltage charge display device is as required tested.
Further, the setting of step-up transformer secondary coil is for tested high-voltage charge display device rated voltage 15%, for the correct startup of high-voltage charge display device.
Further, can normally work when system overvoltage with 120% of tested high-voltage charge display device line voltage inspection high-voltage charge display device.
Compared with prior art, beneficial effect is the utility model: structure is simple, and volume is little, lightweight, can select multiple trial voltage, simple operation, safe and reliable.Solve high-voltage charge display device site test in the past and there is no the problem of test apparatus, reduce labour intensity simultaneously, raise labour efficiency.
Accompanying drawing explanation
Fig. 1 is the circuitry structural representation that the utility model embodiment provides;
1 three-phase supply interface in figure, 2 earth terminals, 3 fuses, 4 power switches, 5 light emitting diodes, 6 current-limiting resistances, 7 contactor coils, 8 keyswitches, 9 step-up transformers, 10 voltage-multiplying circuits, 11 contactor normal opened contacts, 12 lead-out terminals.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See in Fig. 1, a kind of portable high-pressure electrification display test unit, this device comprises: step-up transformer 9, three-phase supply interface 1 and voltage-multiplying circuit 10, connect respectively fuse 3 and power switch 4 of three-phase supply interface 1 two-phase accesses the former limit of step-up transformer 9, many groups keyswitch 8 is parallel to the former limit of step-up transformer 9 after connecting with contactor coil 7, the secondary of step-up transformer 9 is connected to multistage voltage-multiplying circuit 10, the output terminal of every grade of voltage-multiplying circuit 10 is all electrically connected on corresponding lead-out terminal 12, contactor normal opened contact 11 is provided with between the output terminal and corresponding lead-out terminal 12 of every grade of voltage-multiplying circuit 10, the circuit of output terminal of one group of keyswitch 8 one-level voltage-multiplying circuit 10 corresponding to contactor coil 7, closed by contactor coil 7 control contactor normal opened contact 11, any two lead-out terminals 12 all can produce different voltage, for test, input terminal lead-out terminal 12 being connected to high-voltage charge display device is as required tested.Three-phase supply interface 1 one as earth terminal 2, crust of the device is received on earth terminal 2, one light emitting diode 5 is parallel to the former limit of step-up transformer after connecting with current-limiting resistance 6, during test, push button switch 8, start corresponding contactor coil 7, thus the contactor normal opened contact 11 of correspondence closes, realize the High voltage output of step-up transformer 9, will according to test voltage requirement during test, press two keyswitches simultaneously, realize the combination of different tests voltage, as the switch S B1 and keyswitch SB2 that pushes button, the contactor coil of contactor KM1 and the contactor coil of contactor KM2 charged, the contactor normal opened contact that contactor KM1 and contactor KM2 is corresponding closes, achieve the output of trial voltage, will according to test voltage requirement during test, press two buttons simultaneously, realize the combination of different tests voltage.What in figure, KM1, KM2, KM3, KM4, KMn represented is different contactors, and each contactor includes contactor normal opened contact and contactor coil.
For reducing the volume of device, the voltage of step-up transformer 9 secondary can not be too high, meet the phase voltage of high-voltage charge display device rated voltage 15%, the final voltage of voltage-multiplying circuit 10 is raised to 120% of high-voltage charge display device line voltage, with the correct startup of 15% phase voltage high-voltage charge display device, when considering single-phase earthing, other two phase voltages are elevated to line voltage, with line voltage tester now high-voltage charge display device should be able to normally work, can normally work when system overvoltage with 120% line voltage inspection high-voltage charge display device, for the high-voltage charge display device of each electric pressure, different lead-out terminals can be utilized to meet testing requirements.
Contactor normal opened contact 11, only have when being controlled by contactor, this contact just can close, and realizes the output of high pressure, and after button unclamps, contactor coil 7 power-off, contactor normal opened contact 11 disconnects.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a portable high-pressure electrification display test unit, it is characterized in that, this device comprises: step-up transformer, three-phase supply interface and voltage-multiplying circuit, three-phase supply interface two-phase connect respectively fuse and power switch access step-up transformer former limit, many groups keyswitch is parallel to the former limit of step-up transformer after connecting with contactor coil, the secondary of step-up transformer is connected to multistage voltage-multiplying circuit, the output terminal of every grade of voltage-multiplying circuit is all electrically connected on corresponding lead-out terminal, contactor normal opened contact is provided with between the output terminal and corresponding lead-out terminal of every grade of voltage-multiplying circuit, the circuit of output terminal of one group of keyswitch one-level voltage-multiplying circuit corresponding to contactor coil, closed by contactor coil control contactor normal opened contact, any two lead-out terminals all can produce different voltage, for test, input terminal lead-out terminal being connected to high-voltage charge display device is as required tested.
2. according to portable high-pressure electrification display test unit according to claim 1, it is characterized in that, the setting of step-up transformer secondary coil is for tested high-voltage charge display device rated voltage 15%, for the correct startup of high-voltage charge display device.
3. according to portable high-pressure electrification display test unit according to claim 1, it is characterized in that, can normally work when system overvoltage with 120% of tested high-voltage charge display device line voltage inspection high-voltage charge display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138534.0U CN204515114U (en) | 2015-03-11 | 2015-03-11 | A kind of portable high-pressure electrification display test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138534.0U CN204515114U (en) | 2015-03-11 | 2015-03-11 | A kind of portable high-pressure electrification display test unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204515114U true CN204515114U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520138534.0U Withdrawn - After Issue CN204515114U (en) | 2015-03-11 | 2015-03-11 | A kind of portable high-pressure electrification display test unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204515114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730482A (en) * | 2015-03-11 | 2015-06-24 | 国网辽宁省电力有限公司辽阳供电公司 | Portable high-pressure charged display testing device |
-
2015
- 2015-03-11 CN CN201520138534.0U patent/CN204515114U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730482A (en) * | 2015-03-11 | 2015-06-24 | 国网辽宁省电力有限公司辽阳供电公司 | Portable high-pressure charged display testing device |
| CN104730482B (en) * | 2015-03-11 | 2017-07-11 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of portable high-pressure electrification display experimental rig |
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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: 20150729 Effective date of abandoning: 20170711 |