CN216450489U - Phase-shifting transformer and frequency converter with same - Google Patents
Phase-shifting transformer and frequency converter with same Download PDFInfo
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- CN216450489U CN216450489U CN202121783187.9U CN202121783187U CN216450489U CN 216450489 U CN216450489 U CN 216450489U CN 202121783187 U CN202121783187 U CN 202121783187U CN 216450489 U CN216450489 U CN 216450489U
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Abstract
The utility model provides a phase-shifting transformer and a frequency converter with the same, wherein the phase-shifting transformer comprises: the first end face and the second end face are oppositely arranged; the input wiring terminal is arranged on the first end face, and the primary input wiring terminal is used for connecting a primary power supply; the first secondary winding is arranged on the first end face and located above the input wiring terminal, the first secondary winding is used for being electrically connected with the power unit, and the extending direction of the first secondary winding is the same as that of the power unit. Through the technical scheme that this application provided, the problem that manufacturing cost is high among the prior art can be solved.
Description
Technical Field
The utility model relates to the technical field of frequency converters, in particular to a phase-shifting transformer and a frequency converter with the same.
Background
Currently, existing frequency converters include a transformer and a power unit, wherein the power unit is placed above the transformer, the transformer includes an input terminal and a secondary winding, and the secondary winding is electrically connected with the power unit. In the existing scheme, the secondary windings are generally vertically arranged on the transformer, so that the height of the overall dimension of the transformer can be increased, the wiring length between components is increased, and the production cost is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a phase-shifting transformer and a frequency converter with the same, and aims to solve the problem of high production cost in the prior art.
According to an aspect of the present invention, there is provided a phase-shifting transformer, including: the first end face and the second end face are oppositely arranged; the primary input wiring terminal is arranged on the first end face and used for being connected with a primary power supply; the first secondary winding is arranged on the first end face and located above the input wiring terminal, the first secondary winding is used for being electrically connected with the power unit, and the extending direction of the first secondary winding is the same as that of the power unit.
Further, the first secondary winding includes: the first winding unit is positioned above the second winding unit, the first winding unit and the second winding unit are arranged in parallel at intervals, and the first winding unit and the second winding unit are respectively and electrically connected with the power unit.
Further, the first winding unit and the second winding unit extend along the horizontal direction, and the lengths of the first winding unit and the second winding unit are equal.
Furthermore, the phase-shifting transformer also comprises a second secondary winding, the second secondary winding is arranged on the second end face, and the second secondary winding is electrically connected with the power unit.
Furthermore, the phase-shifting transformer also comprises a plurality of taps which are arranged at intervals, the taps are all arranged on the first end face, the arrangement direction of the taps is the same as the extension direction of the first secondary winding, the taps are positioned above the first secondary winding, and the taps are used for adjusting the secondary side output voltage of the phase-shifting transformer.
Further, the phase-shifting transformer further comprises a plurality of current transformers, the plurality of current transformers are arranged on the first end face, the arrangement directions of the plurality of current transformers are the same as the extension direction of the first secondary winding, the current transformers are located above the first secondary winding, and the current transformers can measure input currents of the phase-shifting transformer.
Furthermore, the phase-shifting transformer also comprises an auxiliary power supply winding, the auxiliary power supply winding is arranged on the first end face and is positioned between the current transformer and the first secondary winding, and the auxiliary power supply winding is used for providing a control power supply for a control system of the frequency converter.
Furthermore, the phase-shifting transformer also comprises a switching terminal, the switching terminal is arranged on the second end face and is positioned above the second secondary winding, and the switching terminal is used for switching the current transformer.
According to another aspect of the present invention, there is provided a frequency converter including: the phase-shifting transformer comprises the phase-shifting transformer; and the power unit is arranged above the phase-shifting transformer and is electrically connected with the phase-shifting transformer.
By applying the technical scheme of the utility model, the first secondary winding is arranged on the first end surface of the phase-shifting transformer, the extending direction of the first secondary winding is the same as the extending direction of the power unit, and the first secondary winding is positioned above the wiring terminal, so that the distance between the first secondary winding and the power unit can be shortened, the relative distance between components can be reduced, the length of a connecting wire connected with the components can be further reduced, and the overall production cost of the device can be saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a first end face of a phase-shifting transformer according to the present invention;
fig. 2 is a schematic structural diagram of the second end face of the phase-shifting transformer provided by the utility model.
Wherein the figures include the following reference numerals:
10. a first end face;
20. a second end face;
30. a primary input terminal;
40. a first secondary winding; 41. a first winding unit; 42. a second winding unit;
50. a second secondary winding;
60. a tap;
70. a current transformer;
80. an auxiliary power supply winding;
90. a terminal is adapted.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a phase-shifting transformer, including: a first end face 10 and a second end face 20 arranged opposite each other, a primary input connection terminal 30 and a first secondary winding 40. The primary input connection terminal 30 is arranged on the first end face 10, the primary input connection terminal 30 is used for connecting a primary power supply, the first secondary winding 40 is arranged on the first end face 10, the first secondary winding 40 is located above the primary input connection terminal 30, the first secondary winding 40 is used for being electrically connected with a power unit, and the extending direction of the first secondary winding 40 is the same as the extending direction of the power unit.
Through the structure, the first secondary winding 40 is arranged on the first end face 10 of the phase-shifting transformer, the extending direction of the first secondary winding 40 is the same as that of the power unit, meanwhile, the first secondary winding 40 is positioned above the primary input wiring terminal 30, so that the distance between the first secondary winding 40 and the power unit is shortened, the relative distance between components is reduced, the length of a connecting line connected with the components can be further reduced, and the overall production cost of the device is saved.
Further, the first secondary winding 40 includes: the winding device comprises a first winding unit 41 and a second winding unit 42, wherein the first winding unit 41 is positioned above the second winding unit 42, the first winding unit 41 and the second winding unit 42 are arranged in parallel at intervals, and the first winding unit 41 and the second winding unit 42 are respectively electrically connected with a power unit. The installation area required by the first secondary winding 40 is reduced through the arrangement, so that the layout of components is more reasonable, and the utilization rate of the installation space is improved.
Specifically, the first winding unit 41 and the second winding unit 42 each extend in the horizontal direction, and the lengths of the first winding unit 41 and the second winding unit 42 are equal. So set up the overall dimension height that can reduce the phase-shifting transformer, be convenient for put the power unit at the top of phase-shifting transformer periphery to be favorable to being connected the line of walking of back cable with the power unit, also reduced the use amount of cable simultaneously, practiced thrift manufacturing cost.
Further, the phase-shifting transformer further includes a second secondary winding 50, the second secondary winding 50 is disposed on the second end surface 20, and the second secondary winding 50 is electrically connected to the power unit. The above-described structure may be used in conjunction with the first secondary winding 40 to provide a main power supply for the power unit.
In the embodiment of the present application, the first winding unit 41, the second winding unit 42, and the second secondary winding 50 may respectively correspond to any one of a phase a, a phase B, and a phase C of the input power winding of the secondary side power unit of the phase-shifting transformer.
Specifically, when the first winding unit 41 corresponds to the a phase and the second winding unit 42 corresponds to the B phase, the second secondary winding 50 corresponds to the C phase; when the first winding unit 41 corresponds to the a phase and the second winding unit 42 corresponds to the C phase, the second secondary winding 50 corresponds to the B phase; when the first winding unit 41 corresponds to the phase B and the second winding unit 42 corresponds to the phase a, the second secondary winding 50 corresponds to the phase C; when the first winding unit 41 corresponds to the phase B and the second winding unit 42 corresponds to the phase C, the second secondary winding 50 corresponds to the phase a; when the first winding unit 41 corresponds to the phase C and the second winding unit 42 corresponds to the phase B, the second secondary winding 50 corresponds to the phase a; when the first winding unit 41 corresponds to the phase C and the second winding unit 42 corresponds to the phase a, the second secondary winding 50 corresponds to the phase B. Through the arrangement, the first secondary winding 40 and the second secondary winding 50 are applicable to different working conditions, so that the applicability of the phase-shifting transformer is improved.
Specifically, the phase-shifting transformer further includes a plurality of taps 60 disposed at intervals, the plurality of taps 60 are disposed on the first end surface 10, the arrangement direction of the plurality of taps 60 is the same as the extending direction of the first secondary winding 40, the taps 60 are located above the first secondary winding 40, and the taps 60 are used for adjusting the secondary-side output voltage of the phase-shifting transformer. Different corresponding tapping points of the tapping point 60 are connected, so that the rated voltage output by the secondary side of the phase-shifting transformer can be adjusted, the voltage with different intensity input by the primary side of the phase-shifting transformer can be adapted, the application range of the phase-shifting transformer is enlarged, the occupied space of the tapping point 60 is reduced as much as possible, and the whole layout is more compact and reasonable.
Further, the phase-shifting transformer further includes a plurality of current transformers 70, the plurality of current transformers 70 are disposed on the first end surface 10, the arrangement direction of the plurality of current transformers 70 is the same as the extending direction of the first secondary winding 40, the current transformers 70 are located above the first secondary winding 40, and the current transformers 70 can measure the input current of the phase-shifting transformer. In the embodiment of the present application, the number of the current transformers 70 is set to two, so that not only can the current be accurately measured, but also the production cost is correspondingly reduced, the arrangement direction of the plurality of current transformers 70 is the same as the extension direction of the first secondary winding 40, so that the occupied space of the current transformers 70 can be reduced as much as possible, and the overall layout is more compact and reasonable.
Specifically, the phase-shifting transformer further comprises an auxiliary power winding 80, the auxiliary power winding 80 is disposed on the first end surface 10, the auxiliary power winding 80 is located between the current transformer 70 and the first secondary winding 40, and the auxiliary power winding 80 is used for providing a control power for the control system. Through the arrangement, the installation area between the current transformer 70 and the first secondary winding 40 is reasonably utilized, and meanwhile, the auxiliary power supply winding 80 is arranged on the upper portion of the transformer, so that the problem of unbalanced ampere turns is solved, and the performance of the transformer is further improved.
Further, the phase-shifting transformer further comprises a switching terminal 90, the switching terminal 90 is disposed on the second end surface 20, the switching terminal 90 is located above the second secondary winding 50, and the switching terminal 90 is used for switching the current transformer 70. The internal wiring of the whole phase-shifting transformer is convenient, the wiring difficulty of workers is reduced, and the working efficiency is improved.
Another embodiment of the present application provides a frequency converter, including: the phase-shifting transformer comprises the phase-shifting transformer; and the power unit is arranged above the phase-shifting transformer and is electrically connected with the phase-shifting transformer.
By the technical scheme provided by the application, the first secondary winding 40 is arranged on the first end surface 10 of the phase-shifting transformer, and the first secondary winding 40 extends in the same direction as the power unit, while the first secondary winding 40 is positioned above the primary input connection terminal, this allows the first secondary winding 40 to be located a short distance from the power cell, reducing the relative distance between components, thereby reducing the length of the connecting wire for connecting the components, saving the production cost of the whole device, meanwhile, the auxiliary power winding 80 is positioned between the current transformer 70 and the first secondary winding 40, so that not only is the installation area between the current transformer 70 and the first secondary winding 40 reasonably utilized, meanwhile, the auxiliary winding is arranged on the upper part of the transformer, so that the problem of unbalanced ampere turns is solved, and the performance of the transformer is further improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A phase shifting transformer, comprising:
a first end face (10) and a second end face (20) which are oppositely arranged;
the primary input wiring terminal (30), the primary input wiring terminal (30) is arranged on the first end face (10), and the primary input wiring terminal (30) is used for connecting a primary power supply;
the first secondary winding (40), the first secondary winding (40) sets up on first terminal surface (10), just first secondary winding (40) is located input binding post (30)'s top, first secondary winding (40) are used for being connected with the power unit electricity, the extending direction of first secondary winding (40) with the extending direction of power unit is the same.
2. The phase shifting transformer according to claim 1, wherein the first secondary winding (40) comprises: the winding device comprises a first winding unit (41) and a second winding unit (42), wherein the first winding unit (41) is located above the second winding unit (42), the first winding unit (41) and the second winding unit (42) are arranged in parallel at intervals, and the first winding unit (41) and the second winding unit (42) are respectively electrically connected with the power unit.
3. The phase shifting transformer according to claim 2, wherein the first winding unit (41) and the second winding unit (42) each extend in a horizontal direction, and the first winding unit (41) and the second winding unit (42) are equal in length.
4. The phase shifting transformer according to claim 1, further comprising a second secondary winding (50), the second secondary winding (50) being disposed on the second end face (20), the second secondary winding (50) being electrically connected to the power unit.
5. The phase-shifting transformer according to claim 1, further comprising a plurality of taps (60) arranged at intervals, wherein the plurality of taps (60) are arranged on the first end surface (10), the arrangement direction of the plurality of taps (60) is the same as the extension direction of the first secondary winding (40), the taps (60) are located above the first secondary winding (40), and the taps (60) are used for regulating the secondary-side output voltage of the phase-shifting transformer.
6. The phase shifting transformer according to claim 4, further comprising a plurality of current transformers (70), wherein the plurality of current transformers (70) are disposed on the first end surface (10), and the plurality of current transformers (70) are arranged in the same direction as the first secondary winding (40), the current transformers (70) are located above the first secondary winding (40), and the current transformers (70) are capable of measuring input current of the phase shifting transformer.
7. The phase shifting transformer according to claim 6, further comprising an auxiliary power winding (80), wherein the auxiliary power winding (80) is disposed on the first end surface (10), and the auxiliary power winding (80) is located between the current transformer (70) and the first secondary winding (40), and the auxiliary power winding (80) is used for providing a control power supply for a control system of a frequency converter.
8. The phase shifting transformer according to claim 6, further comprising a transfer terminal (90), wherein the transfer terminal (90) is disposed on the second end face (20), the transfer terminal (90) is located above the second secondary winding (50), and the transfer terminal (90) is used for transferring the current transformer (70).
9. A frequency converter, characterized in that the frequency converter comprises:
a phase-shifting transformer comprising the phase-shifting transformer of any one of claims 1 to 8;
and the power unit is arranged above the phase-shifting transformer and is electrically connected with the phase-shifting transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121783187.9U CN216450489U (en) | 2021-08-02 | 2021-08-02 | Phase-shifting transformer and frequency converter with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121783187.9U CN216450489U (en) | 2021-08-02 | 2021-08-02 | Phase-shifting transformer and frequency converter with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216450489U true CN216450489U (en) | 2022-05-06 |
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ID=81348114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121783187.9U Active CN216450489U (en) | 2021-08-02 | 2021-08-02 | Phase-shifting transformer and frequency converter with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216450489U (en) |
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2021
- 2021-08-02 CN CN202121783187.9U patent/CN216450489U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240105 Address after: 518055 B2, Nanshan Zhiyuan, 1001 Nanshan District Xue Yuan Avenue, Shenzhen, Guangdong. Patentee after: VERTIV TECH Co.,Ltd. Address before: 712000 room 804, 8th floor, building 14, West Yungu phase I, Fengxi new town, Xixian new area, Xi'an, Shaanxi Patentee before: Weidi new energy Co.,Ltd. |
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| TR01 | Transfer of patent right |