CN208834849U - A kind of step-up transformer - Google Patents
A kind of step-up transformer Download PDFInfo
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- CN208834849U CN208834849U CN201821872276.9U CN201821872276U CN208834849U CN 208834849 U CN208834849 U CN 208834849U CN 201821872276 U CN201821872276 U CN 201821872276U CN 208834849 U CN208834849 U CN 208834849U
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Abstract
The utility model relates to transformer technology fields, specifically disclose a kind of step-up transformer, including body shell, single-phase double-column formula iron core, low-voltage coil, first high-tension coil and the second high-tension coil, single-phase double-column formula iron core is mounted in body shell, low-voltage coil is wound on the outside of single-phase double-column formula iron core, first high-tension coil and the second high-tension coil are disposed in parallel on low-voltage coil, it draws jointly the starting point of first high-tension coil and the second high-tension coil, first high-tension coil and the second high-tension coil around to opposite, first sleeve and the second casing are respectively equipped with above body shell.The utility model step-up transformer is compact-sized, arrangement is reasonable, it is usually used in energizing to dc circuit breaker, using low pressure winding and two are arranged on single-phase double-column formula iron core around to opposite high-voltage winding, make transformer by low pressure winding excitation, while realizing from two high-voltage windings and exporting the function that two phase differences are 180 ° of high voltages.
Description
Technical field
The utility model relates to transformer technology fields, and in particular to a kind of step-up transformer.
Background technique
Transformer is a kind of common electrical equipment, and the alternating voltage of a certain numerical value can be used to be transformed to the another of same frequency
The alternating voltage of one numerical value.Step-up transformer is exactly another higher number for the alternating voltage of low numerical value being transformed to same frequency
It is worth the transformer of alternating voltage.
Currently, being carried out when step-up transformer needs to export two ac voltage in the prior art frequently with four-column type iron core
The coiling of high-voltage winding, manufacturing cost is high, and overall volume is big, it has not been convenient to transport and installation, so in step-up transformer
There are also very big rooms for improvement in design.
Utility model content
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of step-up transformer,
Rationally, two high-tension coils are arranged in compact-sized, arrangement on an iron core, export two opposite alternating voltages, for straight
It flows in breaker.
In order to solve the above technical problems, the utility model provides a kind of step-up transformer, including body shell, single-phase pair
Pillar iron core, low-voltage coil, the first high-tension coil and the second high-tension coil, the single-phase double-column formula iron core are mounted on the body
In shell, the low-voltage coil is wound on the outside of the single-phase double-column formula iron core, first high-tension coil and the second high pressure
Coil is disposed in parallel on the low-voltage coil, and the starting point of first high-tension coil and the second high-tension coil is drawn jointly,
First high-tension coil and the second high-tension coil around to opposite；Be respectively equipped with above the body shell first sleeve and
The outside of the first high-tension coil is arranged in second casing, the first sleeve, and the top of the first sleeve is equipped with the first high pressure
Terminals, the first high-tension coil tail end are connected to first high-voltage terminal；Second casing setting is described the
The outside in the outside of two high-tension coils, second casing is equipped with the second high-voltage terminal, and the second high-tension coil tail end is connected to
Second high-voltage terminal.
Further, it is all provided with once fairlead in the first sleeve and the second casing, one in the first sleeve
One end of secondary fairlead is fixed on first high-voltage terminal, and the other end is put in the body shell, first high pressure
Coil tail end enters the first high-voltage terminal out of a fairlead；One end of a fairlead in second casing is fixed
In second high-voltage terminal, the other end is put in the body shell, and the second high-tension coil tail end is from a lead
Enter the second high-voltage terminal in pipe.
Further, the low-voltage coil includes the first low-voltage coil and the second low-voltage coil, first low-voltage coil
It is wrapped in the inside of first high-tension coil, second low-voltage coil is wrapped in the inside of second high-tension coil.
Further, the first sleeve and the bottom inside of the second casing are respectively equipped with bucking electrode.
Specifically, the body outer side of shell is equipped with low voltage electrical connectors, is equipped with low voltage terminal in the low voltage electrical connectors,
The low voltage terminal is connect with the low-voltage coil.
Further, the body outer side of shell is additionally provided with charge valve, and the charge valve is equipped with density meter.
Further, the step-up transformer further includes pressure relief device, and the pressure relief device is arranged described
The lower section of the external inflation valve of body shell.
The beneficial effects of the utility model are: the utility model step-up transformer is compact-sized, arrangement is reasonable, overall volume
Small, manufacturing cost is low, convenient transportation and installation, using low pressure winding and two are arranged on single-phase double-column formula iron core around to opposite
High-voltage winding, make transformer by low pressure winding excitation, while realizing and exporting two phase differences from two high-voltage windings and be
The function of 180 ° of high voltages can be applied to dc circuit breaker well.
Detailed description of the invention
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model step-up transformer；
Fig. 2 is the utility model step-up transformer output voltage wave figure；
Fig. 3 is the elementary diagram of the utility model booster high-tension coil part.
In figure: 1- body shell, 2- single-phase double-column formula iron core, 3- low-voltage coil, the first high-tension coil of 4-, 5- first set
Pipe, the first high-voltage terminal of 6-, the second high-tension coil of 7-, the second casing of 8-, the second high-voltage terminal of 9-, the first high-voltage line of 10-
Circle tail end, 11- the second high-tension coil tail end, fairlead of 12-, 13- bucking electrode, 14- low voltage electrical connectors, 15- charge valve,
16- density meter, 17- pressure relief device, A- the first high-tension coil output voltage waveforms, B- the second high-tension coil output voltage wave
Shape, C- input voltage waveform.
Specific embodiment
Below in conjunction with Figure of description, the technical scheme in the embodiment of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art are obtained all without creative labor
Other embodiments are fallen within the protection scope of the utility model.
In specific embodiment of the utility model, as shown in Figure 1 to Figure 3, the utility model specifically discloses a kind of liters
Pressure transformer, including body shell 1, single-phase double-column formula iron core 2, low-voltage coil 3, the first high-tension coil 4 and the second high-tension coil
7, the single-phase double-column formula iron core 2 is mounted in the body shell 1, and the low-voltage coil 3 is wound on the single-phase double-column formula
The outside of iron core 2, first high-tension coil 4 and the second high-tension coil 7 are disposed in parallel on the low-voltage coil 3, and described
The starting point of one high-tension coil 4 and the second high-tension coil 7 is drawn jointly, after same root high-voltage line is drawn, then draws both threads point
The coiling of the first high-tension coil and the second high-tension coil, the coil of first high-tension coil 4 and the second high-tension coil 7 are not carried out
Around to opposite；It is respectively equipped with first sleeve 5 and the second casing 8 above the body shell, the setting of first sleeve 5 is the
The top of the outer upper side of one high-tension coil 4, the first sleeve 5 is equipped with the first high-voltage terminal 6, first high-tension coil
Tail end 10 is connected to first high-voltage terminal 6；The outside of second high-tension coil 7, institute is arranged in second casing 8
The outside for stating the second casing 8 is equipped with the second high-voltage terminal 9, and the second high-tension coil tail end 11 is connected to second high-voltage connection
End 9, two are 180 ° of high voltages, voltage wave around two phase differences are exported to the first opposite high-tension coil and the second high-tension coil
Shape figure is as shown in Figure 2.
Once fairlead 12 are all provided in the first sleeve 5 and the second casing 8, a fairlead 12 is aluminum pipe,
One end of a fairlead 12 in the first sleeve 5 is fixed on first high-voltage terminal 6, and the other end puts in the device
In body shell 1, the first high-tension coil tail end 10 enters the first high-voltage terminal 6 out of a fairlead 12；Described second
One end of a fairlead 12 in casing 8 is fixed on second high-voltage terminal 9, and the other end puts in the body shell 1
Interior, the second high-tension coil tail end 11 enters the second high-voltage terminal 9 out of a fairlead 12.
The first sleeve 5 and the second casing 8 are silicone rubber sleeve, 8 bottom of the first sleeve 5 and the second casing
Inside is respectively equipped with bucking electrode 13, and the bucking electrode 13 improves inner electric field and outer electric field distribution, improve equipment insulating properties and
Reliability.
It is equipped with low voltage electrical connectors 14 on the outside of the body shell 1, is equipped with low voltage terminal, institute in the low voltage electrical connectors 14
Low voltage terminal is stated to connect with the low-voltage coil 3.
Charge valve 15 is additionally provided on the outside of the body shell 1, the charge valve 15 is equipped with density meter 16, the charge valve
15 for it is envelope filled to body enter gas to carry out gas-insulated increase the insulating properties and stability of body, the density
Table is used to detect the situation that gas leaks in body shell, avoids that safety accident occurs.
The step-up transformer further includes pressure relief device 17, and the pressure relief device 17 is arranged outside the body
The lower section of the external inflation valve of shell, the pressure relief device 17 are used to discharge the pressure in body, avoid pressure is excessive from causing
Internal injury extends the service life of step-up transformer.
Low-voltage coil 3 described in the another specific embodiment of the utility model can also be set as including the first low-voltage coil and
The inside of first high-tension coil 4, the second low-voltage coil setting is arranged in two low-voltage coils, first low-voltage coil
In the inside of second high-tension coil 7.
The beneficial effects of the utility model are: the utility model step-up transformer is compact-sized, arrangement is reasonable, overall volume
Small, manufacturing cost is low, convenient transportation and installation, using low pressure winding and two are arranged on single-phase double-column formula iron core around to opposite
High-voltage winding, make transformer by low pressure winding excitation, while realizing and exporting two phase differences from two high-voltage windings and be
The function of 180 ° of high voltages can be applied to dc circuit breaker well.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (7)
1. a kind of step-up transformer, which is characterized in that including body shell, single-phase double-column formula iron core, low-voltage coil, the first high pressure
Coil and the second high-tension coil, the single-phase double-column formula iron core are mounted in the body shell, and the low-voltage coil is wound on
The outside of the single-phase double-column formula iron core, first high-tension coil and the second high-tension coil are disposed in parallel in the low-voltage coil
On, the starting point of first high-tension coil and the second high-tension coil is drawn jointly, first high-tension coil and the second high pressure
Coil around to opposite；First sleeve and the second casing, the first sleeve setting are respectively equipped with above the body shell
In the outside of the first high-tension coil, the top of the first sleeve is equipped with the first high-voltage terminal, the first high-tension coil tail
End is connected to first high-voltage terminal；Second casing is arranged in the outside of second high-tension coil, and described second
The outside of casing is equipped with the second high-voltage terminal, and the second high-tension coil tail end is connected to second high-voltage terminal.
2. a kind of step-up transformer according to claim 1, which is characterized in that in the first sleeve and the second casing
Equipped with a fairlead, one end of a fairlead in the first sleeve is fixed on first high-voltage terminal, another
End is put in the body shell, and the first high-tension coil tail end enters the first high-voltage terminal out of a fairlead；Institute
The one end for stating in the second casing fairlead is fixed on second high-voltage terminal, and the other end puts in the body shell
Interior, the second high-tension coil tail end enters the second high-voltage terminal out of a fairlead.
3. a kind of step-up transformer according to claim 1, which is characterized in that the low-voltage coil includes the first low-voltage line
Circle and the second low-voltage coil, first low-voltage coil are wrapped in the inside of first high-tension coil, second low-voltage line
Circle is wrapped in the inside of second high-tension coil.
4. a kind of step-up transformer according to claim 2, which is characterized in that the bottom of the first sleeve and the second casing
Bucking electrode is respectively equipped on the inside of portion.
5. a kind of step-up transformer according to claim 1, which is characterized in that the body outer side of shell connects equipped with low pressure
Wire box, the low voltage electrical connectors are interior to be equipped with low voltage terminal, and the low voltage terminal is connect with the low-voltage coil.
6. a kind of step-up transformer according to claim 4, which is characterized in that the body outer side of shell is additionally provided with inflation
Valve, the charge valve are equipped with density meter.
7. a kind of step-up transformer according to claim 5, which is characterized in that the step-up transformer further includes that pressure is released
Device is put, the lower section of the external inflation valve of the body shell is arranged in the pressure relief device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872276.9U CN208834849U (en) | 2018-11-14 | 2018-11-14 | A kind of step-up transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872276.9U CN208834849U (en) | 2018-11-14 | 2018-11-14 | A kind of step-up transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834849U true CN208834849U (en) | 2019-05-07 |
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ID=66319910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821872276.9U Active CN208834849U (en) | 2018-11-14 | 2018-11-14 | A kind of step-up transformer |
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| CN (1) | CN208834849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346271A (en) * | 2018-11-14 | 2019-02-15 | 江苏思源赫兹互感器有限公司 | A kind of step-up transformer |
-
2018
- 2018-11-14 CN CN201821872276.9U patent/CN208834849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346271A (en) * | 2018-11-14 | 2019-02-15 | 江苏思源赫兹互感器有限公司 | A kind of step-up transformer |
| CN109346271B (en) * | 2018-11-14 | 2024-02-23 | 江苏思源赫兹互感器有限公司 | Step-up transformer |
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