CN211957412U - Transformer device - Google Patents
Transformer device Download PDFInfo
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- CN211957412U CN211957412U CN202020945351.0U CN202020945351U CN211957412U CN 211957412 U CN211957412 U CN 211957412U CN 202020945351 U CN202020945351 U CN 202020945351U CN 211957412 U CN211957412 U CN 211957412U
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Abstract
The utility model provides a transformer belongs to electrical element technical field, include: the coil winding device comprises at least two groups of coils which are arranged in parallel, wherein an iron core is arranged in each group of coils, and the two adjacent groups of coils are separated by a partition plate and are respectively attached to the partition plate; the outer contour of the iron core in the coil is set to be linear on one surface matched with the partition plate, and is set to be arc-shaped on the other surfaces not matched with the partition plate; the transformer of the utility model has the advantages that the side matched with the baffle is arranged to be linear in the arrangement of the outline of the iron core, so that the material consumption of the iron core is saved under the condition of ensuring the sectional area of the iron core; the other surfaces which are not matched with the partition plate are set to be arc segments, so that the deformation resistance of the coil is ensured.
Description
Technical Field
The utility model relates to an electrical element technical field, concretely relates to transformer.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a low-voltage coil, a high-voltage coil and iron cores, wherein the low-voltage coil and the high-voltage coil are respectively sleeved on the outer sides of the iron cores, and a partition plate for enhancing the electrical insulation performance is arranged between the two iron cores.
When a short circuit occurs in the transformer, a short circuit force is generated in the coil, the high-voltage coil expands outwards under the action of the short circuit force, the low-voltage coil compresses inwards and is supported by the iron core, and the high-voltage coil expands outwards without being bound, so that the high-voltage coil is easy to deform.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the transformer among the prior art when taking place the short circuit, the defect that the coil takes place to warp easily to a transformer is provided.
The utility model provides a transformer, include: at least two groups of coils which are arranged in parallel, wherein each group of coils is provided with an iron core,
the two adjacent groups of coils are separated by a partition plate and are respectively attached to the partition plate;
the outer contour of the iron core in the coil is set to be linear on one face matched with the partition plate, and is set to be arc-shaped on the other faces not matched with the partition plate.
Preferably, the outer contour of the iron core is set to be an elliptical arc on the other side opposite to the straight line shape.
As a preferred scheme, the coils are provided with three groups, namely an A-phase coil, a B-phase coil and a C-phase coil which are sequentially arranged; a first partition plate is arranged between the phase A coil and the phase B coil in an attached mode, and a second partition plate is arranged between the phase B coil and the phase C coil in an attached mode;
the outer contour of the iron core of the phase A coil is linear with one surface matched with the first partition plate, and is arc-shaped on the other surfaces not matched with the first partition plate;
the outer contour of the iron core of the B-phase coil is respectively in a straight line shape with the surfaces matched with the first partition plate and the second partition plate, and the rest sections are in an arc shape;
the outer contour of the iron core of the C-phase coil is linear with one surface matched with the second partition plate, and the other surfaces which are not matched with the second partition plate are arc-shaped.
Preferably, the other side of the outer contour of the iron core of the phase A coil, which is opposite to the straight line shape, is an elliptical arc; the other side of the outer contour of the iron core of the C-phase coil, which is opposite to the straight line shape, is an elliptical arc.
Preferably, the phase a coil, the phase B coil and the phase C coil each include: the transformer comprises an iron core, a low-voltage coil and a high-voltage coil; the low-voltage coil is sleeved on the outer side of the iron core, and the high-voltage coil is sleeved on the outer side of the low-voltage coil; the high-voltage coil is attached to the first partition plate and the second partition plate.
Preferably, the separator is an insulating separator.
Preferably, the first separator and the second separator are insulating separators.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a transformer, two adjacent coils separate through the baffle to paste with the baffle and set up, when the coil received the outward expansion of short circuit power, block the deformation of coil through the baffle, reduce the deflection of coil, strengthen the anti short circuit ability of transformer;
when the transformer is short-circuited, due to the different shapes of the coils, the deformation degrees of the coils are different when the coils are subjected to the same short-circuit force; when the coil is arc-shaped, the stress is uniform, the interaction is realized, and the deformation is minimum; when the coil is provided with the straight line segment, the straight line segment expands outwards and deforms greatly; however, in the process of producing the iron core, when the iron core with the same cross-sectional area is produced, if the outer contour of the iron core is provided with a part of straight line segments, the consumption of the iron core can be saved;
therefore, in the scheme, the outer contour of the iron core is arranged, one surface matched with the partition plate is arranged to be linear, and the material consumption of the iron core is saved under the condition that the sectional area of the iron core is ensured; the other surfaces which are not matched with the partition plate are set to be arc segments, so that the deformation resistance of the coil is ensured.
The iron core structure is arranged to achieve the lowest cost under the condition of ensuring the deformation resistance.
2. In the transformer provided by the utility model, the outline of the iron core is set to be an elliptical arc on the other side opposite to the straight line shape; when producing the iron cores with the same sectional area, the arrangement sequence of the consumables for manufacturing the iron cores is that the circular section is larger than the elliptical section, so that the elliptical arc shape which saves the cost is selected on the premise of meeting the anti-deformation capability.
3. The utility model provides a transformer, the iron core structure in this scheme, the face that matches the outline of the iron core of B looks coil with first baffle, second baffle respectively is straight line type respectively, practices thrift the cost, and the remaining section guarantees anti short circuit ability for the segment of arc;
meanwhile, two sides of the first partition plate are respectively attached to the high-voltage coils of the phase A coil and the phase B coil, and two sides of the second partition plate are respectively attached to the high-voltage coils of the phase B coil and the phase C coil; the breaking force borne by the high-voltage coils on the two sides of the partition plate is mutually offset, and the deformation of the high-voltage coils is reduced;
the other side of the outer contour of the iron core of the phase A coil, which is opposite to the straight line shape, is an elliptical arc; the outer contour of the iron core of the C-phase coil is an elliptical arc, and the other side of the iron core, opposite to the straight line shape, is an elliptical arc.
4. The utility model provides a transformer, first baffle and second baffle are insulating barrier, also can strengthen electric insulating properties when can support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a coil structure of a transformer according to the present invention.
Description of reference numerals:
1. an iron core of the A-phase coil; 2. an iron core of the B-phase coil; 3. an iron core of the C-phase coil; 4. a first separator; 5. a second separator; 6. a low-voltage coil; 7. a high-voltage coil; 8. a main empty channel.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The transformer provided by the embodiment includes, as shown in fig. 1, an a-phase coil, a B-phase coil, and a C-phase coil that are sequentially arranged; each coil is provided with an iron core, a low-voltage coil 6 and a high-voltage coil 7; the low-voltage coil 6 is sleeved on the iron core, the high-voltage coil 7 is sleeved on the low-voltage coil 6, and a main air channel 8 is arranged between the low-voltage coil 6 and the high-voltage coil 7.
When the transformer is short-circuited, the shapes of the coils are different, and the deformation degrees of the coils are different when the coils are subjected to the same short-circuit force; when the coils are all arc-shaped, the stress is uniform, the interaction is realized, and the deformation is minimum; when the coil has the straight line segment, the straight line segment expands outwards and deforms greatly; however, in the process of producing the iron core, when the iron core with the same cross-sectional area is produced, if the outer contour of the iron core has a partial straight line section, the consumption of the iron core can be saved.
A first partition plate 4 is attached between the phase A coil and the phase B coil, and specifically, a high-voltage coil in the phase A coil and a high-voltage coil of the phase B coil are respectively attached to two sides of the first partition plate 4; a second partition plate 5 is attached between the phase B coil and the phase C coil; specifically, a high-voltage coil in the phase C coil and a high-voltage coil in the phase B coil respectively abut against two sides of the second partition plate 5;
the first separator 4 and the second separator 5 are insulating separators;
one side of the outer contour of the iron core 1 of the phase A coil, which is matched with the first partition plate 4, is linear, the other side of the outer contour of the iron core 1 of the phase A coil, which is opposite to the linear shape, is an elliptical arc, and the other end of the outer contour is an arc-shaped surface;
the outer contour of the iron core 2 of the B-phase coil is respectively in a straight line shape with the surfaces matched with the first partition plate 4 and the second partition plate 5, and the rest sections are in an arc shape;
one side of the outer contour of the iron core 3 of the C-phase coil, which is matched with the second partition plate 5, is linear, the other side of the outer contour of the iron core 3 of the C-phase coil, which is opposite to the linear shape, is an elliptical arc, and the other end of the outer contour is an arc-shaped surface;
first baffle 4 and second baffle 5 fully contact with the high-voltage coil 7 of both sides, under the effect of short-circuit force, when high-voltage coil 7 had the power of deformation, the atress of the straightway part of baffle both sides was offset each other, and reduction that can be fine warp, simultaneously, other faces of A looks coil, B looks coil and C looks coil that do not cooperate with the baffle set up to the camber, and the atress tends to evenly, under the condition that does not set up the baffle, through the anti short-circuit force of shape reinforcing of self.
In the structure, the three iron core structures are provided with a plurality of straight line segments as much as possible so as to save materials, and meanwhile, the three iron core structures are attached to the partition plate so as to offset the short-circuit force of the high-voltage coils 7 on the two sides of the partition plate and reduce deformation; the outer sides of the iron core 1 of the phase A coil and the iron core 3 of the phase C coil are provided with elliptical arcs, so that the short-circuit force applied to the high-voltage coil 7 on the outer side is uniform, and the deformation is reduced.
Method of use and principles
When the transformer is in short circuit, under the action of short circuit force, the high-voltage coil 7 in the phase A coil, the phase B coil and the phase C coil deforms and expands outwards, the high-voltage coil 7 in the straight line section of the phase A coil and the high-voltage coil 7 in the straight line section of the phase B coil are supported by the first partition plate 4 when the high-voltage coils are expanded, and meanwhile, the stress on two sides of the first partition plate 4 is mutually offset, so that the deformation can be well reduced; the high-voltage coil 7 of the straight-line segment of the phase C coil and the high-voltage coil 7 of the straight-line segment of the phase B coil are supported by the second partition plate 5 when being expanded, and meanwhile, the stress on two sides of the second partition plate 5 is mutually offset, so that the deformation can be well reduced, and the short-circuit resistance is good; the high-voltage coil 7 of the elliptical arc section of the A-phase coil and the high-voltage coil 7 of the elliptical arc section of the C-phase coil are stressed uniformly, have small deformation and have good short-circuit resistance.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. A transformer, comprising: at least two groups of coils which are arranged in parallel, wherein each group of coils is provided with an iron core,
the two adjacent groups of coils are separated by a partition plate and are respectively attached to the partition plate;
the outer contour of the iron core in the coil is set to be linear on one face matched with the partition plate, and is set to be arc-shaped on the other faces not matched with the partition plate.
2. The transformer according to claim 1, wherein the outer contour of the core is set to an elliptical arc on the other side opposite to the straight line shape.
3. The transformer according to claim 1 or 2, wherein the coils have three groups, namely an A-phase coil, a B-phase coil and a C-phase coil which are arranged in sequence; a first partition plate (4) is attached between the phase A coil and the phase B coil, and a second partition plate (5) is attached between the phase B coil and the phase C coil;
the outer contour of the iron core (1) of the phase A coil is in a linear shape with one surface matched with the first partition plate (4), and the other surfaces which are not matched with the first partition plate (4) are in an arc shape;
the outer contour of the iron core (2) of the phase B coil is respectively in a straight line shape with the surfaces matched with the first partition plate (4) and the second partition plate (5), and the rest sections are in an arc shape;
the outer contour of the iron core (3) of the C-phase coil is linear with one surface matched with the second partition plate (5), and the other surfaces which are not matched with the second partition plate (5) are arc-shaped.
4. The transformer according to claim 3, characterized in that the other side of the outer contour of the iron core (1) of the A-phase coil, which is opposite to the straight line shape, is an elliptical arc; the other side of the outer contour of the iron core (3) of the C-phase coil, which is opposite to the straight line shape, is an elliptical arc.
5. The transformer of claim 4, wherein the phase A coil, the phase B coil and the phase C coil each comprise: the coil comprises an iron core, a low-voltage coil (6) and a high-voltage coil (7); the low-voltage coil (6) is sleeved on the outer side of the iron core, and the high-voltage coil (7) is sleeved on the outer side of the low-voltage coil (6); the high-voltage coil (7) is attached to the first partition plate (4) and the second partition plate (5).
6. The transformer according to claim 1 or 2, wherein the separator is an insulating separator.
7. Transformer according to claim 4 or 5, wherein the first separator (4) and the second separator (5) are insulating separators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945351.0U CN211957412U (en) | 2020-05-28 | 2020-05-28 | Transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945351.0U CN211957412U (en) | 2020-05-28 | 2020-05-28 | Transformer device |
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| Publication Number | Publication Date |
|---|---|
| CN211957412U true CN211957412U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020945351.0U Active CN211957412U (en) | 2020-05-28 | 2020-05-28 | Transformer device |
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| Country | Link |
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| CN (1) | CN211957412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599340A (en) * | 2020-12-17 | 2021-04-02 | 广州市一变电气设备有限公司 | Silicon rubber insulation low-noise transformer with external burst short circuit resistance function |
-
2020
- 2020-05-28 CN CN202020945351.0U patent/CN211957412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599340A (en) * | 2020-12-17 | 2021-04-02 | 广州市一变电气设备有限公司 | Silicon rubber insulation low-noise transformer with external burst short circuit resistance function |
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