CN209247894U - A kind of electrical fast transient (eft) disturbed test device of charging pile - Google Patents
A kind of electrical fast transient (eft) disturbed test device of charging pile Download PDFInfo
- Publication number
- CN209247894U CN209247894U CN201821364664.6U CN201821364664U CN209247894U CN 209247894 U CN209247894 U CN 209247894U CN 201821364664 U CN201821364664 U CN 201821364664U CN 209247894 U CN209247894 U CN 209247894U
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- Prior art keywords
- lifting
- eft
- charging pile
- fixed
- fast transient
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Abstract
The utility model discloses a kind of electrical fast transient (eft) disturbed test devices of charging pile, include fixed insulation table, lifting insulation board and lifting drive, the lifting insulation board is mounted on a side of the fixed insulation table, and the lifting drive drives the lifting insulation board relative to the fixed insulation table lifting；The signal generator that can produce electrical fast transient (eft) and coupling/decoupling network are provided on the fixed insulation table, signal generator, coupling/decoupling network and the tested charging pile three being placed on lifting insulation board are sequentially connected.The electrical fast transient (eft) disturbed test device of the charging pile of the utility model can carry out electric up-down to measurand, avoid needing to move to charging pile desktop in experiment or individually build darkroom for experiment, manpower needed for can reducing experiment and cost.
Description
Technical field
The utility model relates to detection device fields, interfere more particularly to a kind of electrical fast transient (eft) of charging pile
Test device.
Background technique
Electrical fast transient (eft) (EFT, Electrical Fast Transient/burst) is mainly since cutting is felt
Property load, relay contact shake, high-voltage switch gear switching etc. caused by, this transient disturbance is made of a large amount of pulses.Machinery is opened
It closes contact to separate, starts spark discharge when the voltage between contact is more than insulation voltage, voltage declines rapidly between contact, then again
Rise, since contact spacing increases, the voltage of flashing electric discharge is also increased accordingly again, and so on.When distance is greatly to one
When determining degree, glow discharge occurs between contact, the energy consumption in inductance is fallen.In order to verify Electrical and Electronic equipment to such as
The immunity to interference for carrying out the various types transition harassing and wrecking of adaptive switched transient process, it is real can to do electrical fast transient (eft) harassing and wrecking to equipment
It tests.Therefore, the system for being used to do electrical fast transient (eft) harassing and wrecking experiment is developed, is a problem to be solved.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of for charging pile
Carry out the electrical fast transient (eft) disturbed test device of the charging pile of EFT interference experiment.
Technical solution: to achieve the above object, the electrical fast transient (eft) disturbed test of the charging pile of the utility model
Device, comprising fixed insulation table, lifting insulation board and lifting drive, it is exhausted that the lifting insulation board is mounted on the fixation
One side of edge table, the lifting drive drive the lifting insulation board relative to the fixed insulation table lifting；Institute
It states and is provided with the signal generator that can produce electrical fast transient (eft) and coupling/decoupling network, signal on fixed insulation table
Generator, coupling/decoupling network and the tested charging pile three being placed on lifting insulation board are sequentially connected.
Further, the lifting drive includes traction rope, traction electric machine and is fixed on fixed insulation table
Above the support column of its height of table top, the top of the support column is provided with pulley, and one end of the traction rope is fixed on institute
State on lifting insulation board, be provided with crimping wheel on the output shaft of traction electric machine, traction rope bypass after the pulley its other end around
On the crimping wheel；The traction electric machine is fixed on ground.
Further, the support column, traction rope, pulley are made of insulating material.
Further, the side of the fixed insulation table is provided with the sliding rail extended in the vertical direction, the lifting insulation
The side of plate is provided with the sliding block for cooperating the sliding rail to use.
Further, the both ends of the side close to the fixed insulation table of the lifting insulation board are each provided with prolongs upwards
The column stretched is provided between the column and lifting insulation board and is tiltedly installed with reinforcing beam.
Further, it is provided between the fixed insulation table and ground with reference to earth plate.
The utility model has the advantages that the electrical fast transient (eft) disturbed test device of the charging pile of the utility model can be to measurand
Electric up-down is carried out, avoid needing to move to charging pile desktop in experiment or individually builds darkroom for experiment, experiment institute can be reduced
Need manpower and cost.
Detailed description of the invention
Attached drawing 1 is the structure chart of electrical fast transient (eft) disturbed test device.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
The electrical fast transient (eft) disturbed test device of charging pile as shown in Fig. 1 comprising fixed insulation table 1, rises
Insulation board 2 and lifting drive 3 drop, and the lifting insulation board 2 is mounted on a side of the fixed insulation table 1, institute
Stating lifting drive 3 drives the lifting insulation board 2 to go up and down relative to the fixed insulation table 1；On the fixed insulation table 1
It is provided with the signal generator 4 and coupling/decoupling network 5 that can produce electrical fast transient (eft), signal generator 4, coupling/
Decoupling network 5 and the tested charging pile three being placed on lifting insulation board 2 are sequentially connected.
The lifting drive 3 is including traction rope 33, traction electric machine 34 and is fixed on being higher by fixed insulation table 1
In the support column 31 of its height of table top, the top of the support column 31 is provided with pulley 32, and one end of the traction rope 33 is fixed
On the lifting insulation board 2, crimping wheel is provided on the output shaft of traction electric machine 34, after traction rope 33 bypasses the pulley 32
Its other end is wound on the crimping wheel；The traction electric machine 34 is fixed on ground.
The support column 31, traction rope 33, pulley 32 are made of insulating material.
The side of the fixed insulation table 1 is provided with the sliding rail 6 extended in the vertical direction, the side of the lifting insulation board 2
While being provided with the sliding block 7 for cooperating the sliding rail 6 to use.Sliding rail 6 can be made with sliding block 7 of wood materials.
For the stability for improving lifting insulation board 2, the side close to the fixed insulation table 1 of the lifting insulation board 2
Both ends be each provided with the column 21 upwardly extended, be provided between the column 21 and lifting insulation board 2 be tiltedly installed with plus
Brutal 22.
To be further reduced interference, experimental precision is improved, is provided between the fixed insulation table 1 and ground with reference to ground connection
Plate 8 is copper alloy plate with reference to earth plate 8.
In experiment, signal generator 4 connects the power input port of charging pile, test voltage peak value 2kV.Repetition rate
5kHz, 5/50ns Tr/Td burst waveform.Burst duration, period are respectively 15ms, 300ms.Charging pile is working
In without there is dangerous or unsafe consequence, show interference rejection ability, it is eligible.
The electrical fast transient (eft) disturbed test device of the charging pile of the utility model can carry out measurand electronic
Lifting, avoid experiment in need to move to charging pile desktop or for experiment individually build darkroom, can reduce experiment needed for manpower with
Cost.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of electrical fast transient (eft) disturbed test device of charging pile, it is characterised in that: comprising fixed insulation table (1),
Insulation board (2) and lifting drive (3) are gone up and down, lifting insulation board (2) is mounted on the one of fixed insulation table (1)
A side, the lifting drive (3) drive the lifting insulation board (2) relative to fixed insulation table (1) lifting；Institute
It states and is provided with the signal generator (4) and coupling/decoupling network that can produce electrical fast transient (eft) on fixed insulation table (1)
(5), signal generator (4), coupling/decoupling network (5) and be placed in lifting insulation board (2) on tested charging pile three according to
Secondary connection.
2. the electrical fast transient (eft) disturbed test device of charging pile according to claim 1, it is characterised in that: described
Lifting drive (3) include traction rope (33), traction electric machine (34) and be fixed on fixed insulation table (1) above it
The top of the support column (31) of height of table top, the support column (31) is provided with pulley (32), one end of the traction rope (33)
It is fixed on the lifting insulation board (2), crimping wheel is provided on the output shaft of traction electric machine (34), traction rope (33) bypasses institute
Stating pulley (32), its other end is wound on the crimping wheel afterwards；The traction electric machine (34) is fixed on ground.
3. the electrical fast transient (eft) disturbed test device of charging pile according to claim 2, it is characterised in that: described
Support column (31), traction rope (33), pulley (32) are made of insulating material.
4. the electrical fast transient (eft) disturbed test device of charging pile according to claim 1-3, feature
Be: the side of fixed insulation table (1) is provided with the sliding rail (6) extended in the vertical direction, lifting insulation board (2)
Side is provided with the sliding block (7) for cooperating the sliding rail (6) to use.
5. the electrical fast transient (eft) disturbed test device of charging pile according to claim 4, it is characterised in that: described
The both ends of the side close to fixed insulation table (1) of lifting insulation board (2) are each provided with the column (21) upwardly extended, institute
It states to be provided between column (21) and lifting insulation board (2) and is tiltedly installed with reinforcing beam (22).
6. the electrical fast transient (eft) disturbed test device of charging pile according to claim 1, it is characterised in that: described
It is provided between fixed insulation table (1) and ground with reference to earth plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821364664.6U CN209247894U (en) | 2018-08-23 | 2018-08-23 | A kind of electrical fast transient (eft) disturbed test device of charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821364664.6U CN209247894U (en) | 2018-08-23 | 2018-08-23 | A kind of electrical fast transient (eft) disturbed test device of charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247894U true CN209247894U (en) | 2019-08-13 |
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ID=67517001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821364664.6U Active CN209247894U (en) | 2018-08-23 | 2018-08-23 | A kind of electrical fast transient (eft) disturbed test device of charging pile |
Country Status (1)
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| CN (1) | CN209247894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325284A (en) * | 2021-06-04 | 2021-08-31 | 国网内蒙古东部电力有限公司电力科学研究院 | Gas-solid combined insulation breakdown characteristic test device |
-
2018
- 2018-08-23 CN CN201821364664.6U patent/CN209247894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325284A (en) * | 2021-06-04 | 2021-08-31 | 国网内蒙古东部电力有限公司电力科学研究院 | Gas-solid combined insulation breakdown characteristic test device |
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