CN207868016U - Stepped voltage regulation testing transformer - Google Patents
Stepped voltage regulation testing transformer Download PDFInfo
- Publication number
- CN207868016U CN207868016U CN201820349134.8U CN201820349134U CN207868016U CN 207868016 U CN207868016 U CN 207868016U CN 201820349134 U CN201820349134 U CN 201820349134U CN 207868016 U CN207868016 U CN 207868016U
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- heat radiating
- radiating pipe
- circulating heat
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses stepped voltage regulation testing transformers, include bottom plate, oil immersed type testing transformer and cooling fan；Oil immersed type testing transformer includes fuel tank and the upper cover in top of oil-tank is arranged, and cored, winding, load ratio bridging switch and transformer oil are arranged in fuel tank, and high-voltage connection terminal, low-voltage wiring terminal are provided on upper lid and measures connecting terminal；Further include having circulating heat radiating pipe, the connection of fuel tank sidewall top and the bottom is distinguished at circulating heat radiating pipe both ends, and pump machine is connected on circulating heat radiating pipe, and the first cooling fin is additionally provided on circulating heat radiating pipe, and cooling fan is arranged on bottom plate and near the first cooling fin.Load ratio bridging switch is arranged in the utility model, can carry out classification adjusting to voltage fluctuation, to improve quality of voltage, ensure that being normally carried out for experiment；And good heat dissipation effect.
Description
Technical field
The utility model belongs to testing transformer technical field, and in particular to stepped voltage regulation testing transformer.
Background technology
Transformer is the device for converting alternating voltage, electric current and impedance, when being connected with alternating current in primary coil, iron core
In just generate exchange flux, make to induce voltage in secondary coil.And testing transformer be suitable for electric system, industrial and mining enterprises,
Scientific research department etc. carries out various high voltage electric equipments, electric elements, insulating materials the dielectric strength under power frequency or high direct voltage
Experiment, is essential important equipment in high-potting.
But voltage will produce fluctuation in existing testing transformer operation, reduces quality of voltage and influences to test, and
And there is also the bad problems of heat dissipation effect.
Utility model content
The purpose of this utility model is to provide stepped voltage regulation testing transformers, mentioned above in the background art to solve
Problem.
To achieve the above object, the utility model provides the following technical solutions：Stepped voltage regulation testing transformer includes bottom
Plate, oil immersed type testing transformer and cooling fan；
The bottom base plate is provided with universal wheel, and the oil immersed type testing transformer includes fuel tank and is arranged on fuel tank top
The upper cover in portion, the fuel tank are arranged on bottom plate, and cored, winding, load ratio bridging switch and transformer are arranged in the fuel tank
Oil, the winding are respectively sleeved on iron core, and the load ratio bridging switch is provided with operating device on upper lid, are divided by having to carry
It connects switched step and adjusts the tap of corresponding windings (generally high-pressure side) to change the number of turns of coil, reach change output voltage
Purpose, high-voltage connection terminal, low-voltage wiring terminal are provided on the upper lid and measures connecting terminal, respectively with it is corresponding around
Group connection；
Further include having circulating heat radiating pipe, circulating heat radiating pipe both ends difference fuel tank sidewall top and the bottom connection, the cycle
It is connected with pump machine on heat-dissipating pipe, the first cooling fin is additionally provided on the circulating heat radiating pipe, the cooling fan is arranged on bottom plate
And near the first cooling fin.
Preferably, temperature sensor and pressure sensor are additionally provided in the fuel tank.
Preferably, it is provided with the second cooling fin on the fuel tank lateral wall.
Preferably, the upper layer of the bottom plate is provided with beam.
Advantageous effect：
(1) the stepped voltage regulation testing transformer of the utility model is arranged load ratio bridging switch, can divide voltage fluctuation
Grade is adjusted, and to improve quality of voltage, ensure that being normally carried out for experiment.
(2) the stepped voltage regulation testing transformer of the utility model, temperature sensor and pressure sensor can be to transformer oil
The case where monitored in real time, the design of circulating heat radiating pipe, cooling fan, the first cooling fin and the second cooling fin so that heat dissipation
Effect is improved.Bottom base plate is provided with universal wheel, facilitates and is moved；The upper layer of bottom plate is provided with beam, reduces
On-site noise reduces the vibration generated in equipment operation.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：1- bottom plates, 2- cooling fans, 3- universal wheels, 4- fuel tanks, 5- upper covers, 6- high-voltage connection terminals, 7- low pressure connect
Line terminals, 8- measurement connecting terminals, 9- circulating heat radiating pipes, 10- pump machines, the first cooling fins of 11-, the second cooling fins of 12-, 13- subtract
Shake pad.
Specific implementation mode
The embodiments of the present invention are further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, stepped voltage regulation testing transformer, includes bottom plate 1, oil immersed type testing transformer and cooling fan 2；
1 bottom of the bottom plate is provided with universal wheel 3, and the oil immersed type testing transformer includes fuel tank 4 and is arranged in oil
The upper cover 5 at 4 top of case, the fuel tank 4 are arranged on bottom plate 1, and cored, winding, load ratio bridging switch are arranged in the fuel tank 4
And transformer oil, the winding are respectively sleeved on iron core, the load ratio bridging switch is provided with operating device in upper cover 5,
It is classified by load ratio bridging switch and adjusts the tap of corresponding windings (generally high-pressure side) to change the number of turns of coil, reached and change
Become the purpose of output voltage, high-voltage connection terminal 6, low-voltage wiring terminal 7 are provided in the upper cover 5 and measure connecting terminal 8,
It is connected respectively with corresponding winding；
Further include having circulating heat radiating pipe 9, the connection of 4 side wall top and the bottom of fuel tank is distinguished at 9 both ends of the circulating heat radiating pipe, described to follow
It is connected with pump machine 10 on ring heat-dissipating pipe 9, the first cooling fin 11 is additionally provided on the circulating heat radiating pipe 9, the cooling fan 2 is set
On bottom set plate 1 and near the first cooling fin 11.
It is additionally provided with temperature sensor and pressure sensor in the fuel tank 4.
The second cooling fin 12 is provided on 4 lateral wall of the fuel tank.
The upper layer of the bottom plate 1 is provided with beam 13.
The operation principle of the present embodiment：Point for adjusting corresponding windings (generally high-pressure side) is classified by load ratio bridging switch
Connector changes the number of turns of coil, achievees the purpose that changing output voltage to improve quality of voltage ensure that experiment just
Often carry out.The transformer oil extraction of 4 bottom of fuel tank is carried out radiating treatment by pump machine 10 by circulating heat radiating pipe 9, and finally from oil
4 top of case returns, and achievees the purpose that circulation cooling, good heat dissipation effect prevent local temperature in fuel tank 4 excessively high.
The stepped voltage regulation testing transformer of the utility model is arranged load ratio bridging switch, can be classified to voltage fluctuation
It adjusts, to improve quality of voltage, ensure that being normally carried out for experiment.
The stepped voltage regulation testing transformer of the utility model, temperature sensor and pressure sensor can be to the feelings of transformer oil
Condition is monitored in real time, the design of circulating heat radiating pipe 9, cooling fan 2, the first cooling fin 11 and the second cooling fin 12 so that is dissipated
Thermal effect is improved.1 bottom of bottom plate is provided with universal wheel 3, facilitates and is moved；The upper layer of bottom plate 1 is provided with beam 13,
Reduce on-site noise, reduces the vibration generated in equipment operation.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, this practicality is new
Type is not restricted to above description specific embodiment.To those skilled in the art, it is any to the utility model carry out
It equivalent modifications and substitutes also all among the scope of the utility model.Therefore, in the spirit and scope for not departing from the utility model
Impartial conversion and modification made by lower, all cover in the scope of the utility model.
Claims (4)
1. stepped voltage regulation testing transformer, it is characterised in that：Include bottom plate (1), oil immersed type testing transformer and cooling fan
(2)；
Bottom plate (1) bottom is provided with universal wheel (3), and the oil immersed type testing transformer includes that fuel tank (4) and setting exist
Upper cover (5) at the top of fuel tank (4), the fuel tank (4) are arranged on bottom plate (1), setting is cored in the fuel tank (4), winding,
Load ratio bridging switch and transformer oil are provided with high-voltage connection terminal (6), low-voltage wiring terminal (7) on the upper cover (5) and survey
Measure connecting terminal (8)；
Further include having circulating heat radiating pipe (9), both ends difference fuel tank (4) side wall top and the bottom connection of the circulating heat radiating pipe (9), institute
It states and is connected with pump machine (10) on circulating heat radiating pipe (9), the first cooling fin (11), institute are additionally provided on the circulating heat radiating pipe (9)
It states on cooling fan (2) setting bottom plate (1) and near the first cooling fin (11).
2. stepped voltage regulation testing transformer according to claim 1, it is characterised in that：It is additionally provided in the fuel tank (4)
Temperature sensor and pressure sensor.
3. stepped voltage regulation testing transformer according to claim 2, it is characterised in that：It is set on fuel tank (4) lateral wall
It is equipped with the second cooling fin (12).
4. according to claim 1-3 any one of them stepped voltage regulation testing transformers, it is characterised in that：The bottom plate (1)
Upper layer is provided with beam (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349134.8U CN207868016U (en) | 2018-03-15 | 2018-03-15 | Stepped voltage regulation testing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349134.8U CN207868016U (en) | 2018-03-15 | 2018-03-15 | Stepped voltage regulation testing transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868016U true CN207868016U (en) | 2018-09-14 |
Family
ID=63456496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820349134.8U Expired - Fee Related CN207868016U (en) | 2018-03-15 | 2018-03-15 | Stepped voltage regulation testing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207868016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325209A (en) * | 2020-12-02 | 2021-08-31 | 吴江变压器有限公司 | Design method of temporary sleeve outgoing line for transformer test |
-
2018
- 2018-03-15 CN CN201820349134.8U patent/CN207868016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325209A (en) * | 2020-12-02 | 2021-08-31 | 吴江变压器有限公司 | Design method of temporary sleeve outgoing line for transformer test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |