CN209311537U - Power transformer electrical apparatus test auxiliary connection device - Google Patents
Power transformer electrical apparatus test auxiliary connection device Download PDFInfo
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- CN209311537U CN209311537U CN201821865559.0U CN201821865559U CN209311537U CN 209311537 U CN209311537 U CN 209311537U CN 201821865559 U CN201821865559 U CN 201821865559U CN 209311537 U CN209311537 U CN 209311537U
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 230000004888 barrier function Effects 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model provides power transformer electrical apparatus test auxiliary connection device, includes shell, several connector links, several test joints and controller；Several connector link both ends are connected on two lead receptacles that shell is equipped with；Several test joints are set on each connector link；Several test joints are connect with each transformer phase connector；And trigger switch is connected separately between each test joint；The trigger switch control terminal is connect with controller；The controller includes driving unit and sequence switch unit；The output end of the sequence switch unit is connect with driving unit control terminal.The utility model proposes power transformer electrical apparatus test auxiliary connection device, test transformer phase connector is automatically switched by sequence switch unit, manpower is saved, and ensure that the safety of operator.
Description
Technical field
The utility model relates to maintenance of electrical equipment technical fields, and in particular to power transformer electrical apparatus test auxiliary connection
Device.
Background technique
In the power system, a kind of most important power equipment is power transformer.Ensure the master of transformer safety operation
Wanting method is to carry out electrical test to power transformer.At the scene during actual tests, due to the transformer of 35kV or more
Height is mostly 1.5 meters or more, climbs up transformer after needing testing crew to fasten seat belts again and carries out test connection.During test
Due to pilot project and the difference of experiment position, frequent reconfiguration line is needed, first is that causing setting up time much larger than test period
The case where, second is that wiring personnel need to wait on the transformer for a long time, there are some potential safety problemss.In addition it is examined for safety
Consider, also needs testing crew to climb down transformer waiting when carrying out certain high-voltage tests, climb up transformer again after to be tested
Reconfiguration line further reduced the efficiency of test.Since current junction box is when testing the D.C. resistance of each test splice,
Need the modes of connection, the working efficiencies such as the independent wiring of manual switching transformer, short circuit, ground connection low.Also, a transformer needs
Multiple junction box's connections are corresponded to, are taken up space big, it is complicated for operation.Therefore, how to promote power transformer test efficiency, reduce
Empirical risk, which becomes one, is worth the problem of thinking deeply.
Utility model content
Problem to be solved in the utility model is to provide power transformer for the above-mentioned deficiency in the presence of the prior art
Device electrical apparatus test auxiliary connection device realizes automatic switchover transformer testing by sequence switch unit and driving unit
Terminals improve test efficiency, reduce personnel's operational risk；And connector link is set as U-shaped, multiple examinations can be installed
Connector is tested, multiple junction boxes are integrated into the same junction box, save installation space.
A part to achieve the above object, the utility model use the following technical solution:
Power transformer electrical apparatus test auxiliary connection device includes shell, several connector links, several test joints and control
Device processed；Several connector link both ends are connected on two lead receptacles that shell is equipped with；If the dry test connects
Head is set on each connector link；Several test joints are connect with each transformer phase connector；And between each test joint respectively
It is connected with trigger switch；The trigger switch control terminal is connect with controller；The controller includes driving unit and sequence
Switch unit；The output end of the sequence switch unit is connect with driving unit control terminal.
Further, the sequence switch unit includes low frequency/pulse-pattern generator, counter and analog switch；Institute
The output of low frequency/pulse-pattern generator is stated to be connected with the input of counter；The output of the counter and the ground of analog switch
Location control terminal is connected；The output of the analog switch and the control terminal of each trigger switch are separately connected.
Further, several connector links are U-shaped；It is same that two free end of each connector link is connected to shell
On two lead receptacles of side；The test joint of each connector link connection includes at least two.
Further, several connector links include several high pressure connection connecting rods, several middle crimp head connecting rods and several
Low-pressure connector connecting rod；Several high pressure connection connecting rods, several middle crimp head connecting rods and several low-pressure connector connecting rods are separately connected
On shell not the same side.
Further, the address control terminal of the analog switch is connected with manual switch；The manual switch
Output end connect with driving unit input terminal.
Further, the driving unit includes driving motor and insulating barrier；The insulating barrier is set to each test and connects
Between head；The driving motor for control insulating barrier into and out.
The working principle and beneficial effect of the utility model are as follows: switching signal control driving is issued by sequence switch unit
Unit, driving unit issues driving signal and controls connecting or disconnecting for each trigger switch, to complete each lead receptacle and transformer
The sequential testing of phase connector；It realizes that the switching to different tests connector connects by sequence switch unit, is surveyed by outer connecting resistance
Measuring appratus tests the insulation resistance or D.C. resistance between different tests case；Connector link is set as U-shaped, makes the examination in test box
It tests connector quantity to increase, improves the integrated level of the test joint of chamber；By high pressure connection connecting rod, several middle crimp head connecting rods
It is respectively provided at shell not the same side with several low-pressure connector connecting rods, convenient for distinguishing connector link and corresponding transformer phase connector phase
Even.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is that embodiment power transformer electrical apparatus test auxiliary connection device uses schematic diagram；
Fig. 2 is embodiment power transformer electrical apparatus test auxiliary connection schematic diagram of device.
The utility model is marked comprising the following drawings: transformer 1, phase connector 2, wire clamp 3, insulator pin 4, shell 5, connector
Connecting rod 6, test joint 7, insulating barrier 8, lead receptacle 9.
Specific embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to
Understand, the utility model be further elaborated with reference to the accompanying drawings and detailed description:
As shown in Figure 1,1 electrical apparatus test auxiliary connection case of power transformer, comprising shell 5, several connector links 6, several
Test joint 7 and controller；6 both ends of several connector links are connected to two lead receptacles 9 that shell 5 is equipped with
On；Several test joints 7 are set on each connector link 6；Several test joints 7 connect with each 1 phase connector 2 of transformer
It connects；And trigger switch is connected separately between each test joint 7；The trigger switch control terminal is connect with controller；The control
Device processed includes driving unit and sequence switch unit；The output end and driving unit control terminal of the sequence switch unit connect
It connects.
As shown in Fig. 2, 1 electrical apparatus test auxiliary connection case schematic diagram of power transformer, the sequence switch unit includes low
Frequently/pulse-pattern generator, counter and analog switch；The output of the low frequency/pulse-pattern generator and counter it is defeated
Enter connected；The output of the counter is connected with the address control terminal of analog switch；The output of the analog switch and each triggering
The control terminal of switch is separately connected.
Several connector links 6 are U-shaped；6 liang of free ends of each connector link are connected to 5 the same side of shell
On two lead receptacles 9；The test joint 7 that each connector link 6 connects includes at least two.
Several connector links 6 include that several high pressure connection connecting rods 6, several middle crimp head connecting rods 6 and several low pressure connect
Head connecting rod 6；Several high pressure connection connecting rods 6, several middle crimp head connecting rods 6 and several low-pressure connector connecting rods 6 are connected to
Shell 5 is not on the same side.
The address control terminal of the analog switch is connected with manual switch；The output end of the manual switch with
The connection of driving unit input terminal.
The driving unit includes driving motor and insulating barrier 8；The insulating barrier 8 is set between each test joint 7；
The driving motor for control insulating barrier 8 into and out.Insulating barrier 8 is equipped with the bar shaped that may pass through connector link 6
Through-hole, connector link 6 are movable in strip through-hole.
The working principle of this programme are as follows: insulator pin 4 is connected on test joint 7, insulator pin 4 stretches out lead receptacle 9
One end is connected with wire clamp 3,1 power supply of transformer is closed, by the high pressure connection connecting rod 6 of wire clamp 3, middle crimp head connecting rod 6 and low pressure
After connector link 6 is connect with each phase connector 2 of 1 senior middle school's low-pressure side of transformer one by one respectively, 1 power supply of transformer is opened, and connect
The controller power source of line case.Low frequency/pulse-pattern generator of sequence switch unit, will after the voltage pulse of transformer 1
It is counted according to the output of impulse waveform, and controls analog switch and switch over, realize the effect of short circuit, to realize each
Analog switch between test joint 7 disconnects or connection, tests the combined D.C. resistance of different 1 phase connectors 2 of transformer to facilitate,
When test, external resistance apparatus is needed.And by being only connected to high pressure, middle pressure or 6 any one of them of low-pressure connector connecting rod,
It can insulation resistance under the different pressure of test transformer 1.At this point, driving motor by the insulation between the test joint 7 of connection every
Plate 8 is put down, and promotes the dielectric strength between two test joints 7, reduces electromagnetic field shadow of each test joint 7 by surge voltage
It rings.Specified analog switch, which can be connected to, by manual switch carries out single-phase test.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (6)
1. power transformer electrical apparatus test auxiliary connection device, which is characterized in that include shell, several connector links, Ruo Ganshi
Test connector and controller；Several connector link both ends are connected on two lead receptacles that shell is equipped with；It is described
Several test joints are set on each connector link；Several test joints are connect with each transformer phase connector；And each test connects
Trigger switch is connected separately between head；The trigger switch control terminal is connect with controller；The controller includes driving
Unit and sequence switch unit；The output end of the sequence switch unit is connect with driving unit control terminal.
2. power transformer electrical apparatus test auxiliary connection device according to claim 1, which is characterized in that the sequence is cut
Changing unit includes low frequency/pulse-pattern generator, counter and analog switch；The output of the low frequency/pulse-pattern generator
It is connected with the input of counter；The output of the counter is connected with the address control terminal of analog switch；The analog switch
It exports and is separately connected with the control terminal of each trigger switch.
3. power transformer electrical apparatus test auxiliary connection device according to claim 1, which is characterized in that if the stem grafting
Head connecting rod is U-shaped；Two free end of each connector link is connected on two lead receptacles of shell the same side；It is described each
The test joint of connector link connection includes at least two.
4. power transformer electrical apparatus test auxiliary connection device according to claim 3, which is characterized in that if the stem grafting
Head connecting rod includes several high pressure connection connecting rods, several middle crimp head connecting rods and several low-pressure connector connecting rods；Several high-voltage connectings
Head connecting rod, several middle crimp head connecting rods and several low-pressure connector connecting rods are connected to shell not on the same side.
5. power transformer electrical apparatus test auxiliary connection device according to claim 2, which is characterized in that the simulation is opened
The address control terminal of pass is connected with manual switch；The output end and driving unit input terminal of the manual switch connect
It connects.
6. power transformer electrical apparatus test auxiliary connection device according to claim 1-5, which is characterized in that institute
Stating driving unit includes driving motor and insulating barrier；The insulating barrier is set between each test joint；The driving motor
For control insulating barrier into and out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821865559.0U CN209311537U (en) | 2018-11-13 | 2018-11-13 | Power transformer electrical apparatus test auxiliary connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821865559.0U CN209311537U (en) | 2018-11-13 | 2018-11-13 | Power transformer electrical apparatus test auxiliary connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311537U true CN209311537U (en) | 2019-08-27 |
Family
ID=67673164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821865559.0U Active CN209311537U (en) | 2018-11-13 | 2018-11-13 | Power transformer electrical apparatus test auxiliary connection device |
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| Country | Link |
|---|---|
| CN (1) | CN209311537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374934A (en) * | 2018-11-13 | 2019-02-22 | 国网重庆市电力公司璧山供电分公司 | A kind of power transformer electrical test auxiliary connection case |
-
2018
- 2018-11-13 CN CN201821865559.0U patent/CN209311537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374934A (en) * | 2018-11-13 | 2019-02-22 | 国网重庆市电力公司璧山供电分公司 | A kind of power transformer electrical test auxiliary connection case |
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