CN212113415U - Isolation transformer of high-voltage inverter cabinet - Google Patents
Isolation transformer of high-voltage inverter cabinet Download PDFInfo
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- CN212113415U CN212113415U CN202021284873.7U CN202021284873U CN212113415U CN 212113415 U CN212113415 U CN 212113415U CN 202021284873 U CN202021284873 U CN 202021284873U CN 212113415 U CN212113415 U CN 212113415U
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Abstract
The utility model provides a high-voltage inverter cabinet isolation transformer, which comprises a pouring winding, an iron yoke, a core column, a binding post, a primary coil, a secondary coil, a high-voltage cable and a pull rod; the pouring winding is sleeved on the core column; two ends of the stem are respectively connected with the two pieces of iron gardenia; the two pieces of iron gardenia are connected through a pull rod; a primary coil and a secondary coil are arranged in the pouring winding; the primary coil and the secondary coil are connected with a high-voltage cable through a first binding post. The ear protection structure adopted by the utility model is an invagination type insulation structure which is used for electrically isolating the binding post and the iron gardenia, thereby greatly reducing the size and the space of the product and saving the space of the whole cabinet; the eccentric winding design is adopted, namely, the pouring winding is arranged on only one core column, so that the unit volume power of the product is improved. The utility model discloses compare in traditional high voltage isolation transformer simple structure, light in weight, low in manufacturing cost. Can effectively save materials and generate greater economic benefit.
Description
Technical Field
The utility model relates to a high-voltage power control technical field, concretely relates to high-voltage inverter cabinet isolation transformer.
Background
In recent years, the nation places great importance on the military and civil integration work, and vigorously implements the military and civil integration development strategy to form a comprehensive-element, multi-field and high-benefit military and civil integration development pattern. The high-voltage power supply control cabinet for advanced military equipment has high performance requirement, the voltage in the cabinet is more than 10kV, and the power supply of an electronic control unit in the cabinet is only 220V. Most of the traditional transformers generate high voltage at a power supply side, and iron cores and iron yokes are connected with low potential; the transformer adopts the structural design and the insulation processing mode of the traditional transformer, or has large volume, or heavy weight, and has complex structure and high manufacturing cost. In order to solve the problem of low-voltage power supply in the high-voltage cabinet, high voltage in the high-voltage cabinet is insulated, the space volume is reduced, and the manufacturing cost is reduced; the isolation transformer is simple in structure, small in occupied space and low in manufacturing cost.
In summary, there is a need for an isolation transformer for a high voltage inverter cabinet to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-voltage inverter cabinet isolation transformer to solve the technical problem that volume space is little, insulating requirement is high in the high-voltage board.
In order to achieve the above object, the utility model provides a high-voltage inverter cabinet isolation transformer, which comprises a cast winding, a yoke, a core column, a binding post, a primary coil, a secondary coil, a high-voltage cable and a pull rod; the pouring winding is sleeved on the core column; two ends of the stem are respectively connected with the two pieces of iron gardenia; the two pieces of iron gardenia are connected through a pull rod; a primary coil and a secondary coil are arranged in the pouring winding; the primary coil and the secondary coil are connected with a high-voltage cable through a first binding post.
Preferably, the pouring winding is in a square tube shape, one end of the pouring winding extends outwards to form a pair of lugs, the first binding post is arranged in the lugs, and the other end of the pouring winding is provided with the second binding post.
Preferably, the high voltage cable comprises a live wire and a neutral wire; two first binding posts are arranged in each ear protector and are respectively connected with the live wire and the zero wire.
Preferably, the high-voltage cable is provided with two groups, one group is an input end and is connected with the primary coil through a first binding post; and the other group is an output end which is connected with the secondary coil through a first wiring terminal.
Preferably, the ear protectors are filled with pouring sealant for fixing the high-voltage cables.
Preferably, the transformer further comprises a ground cable, and the ground cable is connected with the second binding post.
Preferably, the first binding post and the second binding post have the same structure and are both made of copper materials.
Preferably, the transformer further comprises a ground foot mounting seat, the ground foot mounting seat is connected with the iron gardenia, mounting holes are formed in the ground foot mounting seat, the transformer is mounted in the high-voltage cabinet through the ground foot mounting seat, and the four ground foot mounting seats are arranged.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the ear protection structure adopted by the utility model is an invagination type insulation structure which is used for electrically isolating the binding post and the iron gardenia, thereby greatly reducing the size and the space of the product and saving the space of the whole cabinet; the eccentric winding design is adopted, namely, the pouring winding is arranged on only one core column, so that the unit volume power of the product is improved.
(2) The utility model provides a high-voltage inverter cabinet isolation transformer, realizes the transmission of the change of voltage and electric energy to keep apart inlet wire power and the interior power of high-voltage board, play the effect of the interior control components and parts of protection high-voltage board.
(3) The utility model discloses compare in traditional high voltage isolation transformer simple structure, light in weight, low in manufacturing cost. Can effectively save materials and generate greater economic benefit.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of a poured winding;
FIG. 4 is a left side view of FIG. 3;
the high-voltage coil comprises a cast winding 1, a cast winding 2, an iron yoke 3, a core column 4, a first binding post 5, a primary coil 6, a secondary coil 7, a high-voltage cable 8, a grounding cable 9, a pouring sealant 10, a pull rod 11, a lug protector 12, a second binding post 13 and a foot mounting seat.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 to 4, the high-voltage inverter cabinet isolation transformer comprises a cast winding 1, an iron yoke 2, a core column 3, a binding post 4, a primary coil 5, a secondary coil 6, a high-voltage cable 7 and a pull rod 10; the pouring winding 1 is sleeved on the core column 3; two ends of the stem 3 are respectively connected with the two pieces of iron gardenia 2; two pieces of iron gardenia 2 are connected through a pull rod 10; a primary coil 5 and a secondary coil 6 are arranged in the pouring winding 1; the primary coil 5 and the secondary coil 6 are connected to a high-voltage cable 7 via a first terminal 4.
The pouring winding 1 is in a square cylinder shape, one end of the pouring winding 1 extends outwards to form a pair of lugs 11 with the inner space depth of 100mm, the first binding post 4 is arranged in the lugs 11, and the other end of the pouring winding 1 is provided with the second binding post 12. The lug is used for electrically isolating the binding post and the iron gardenia, and the requirement of 50kV voltage resistance can be met. The protective lugs 11 are filled with pouring sealant 9 for fixing the high-voltage cable 7.
The high-voltage cable 7 comprises a live wire and a zero wire; two first binding posts 4 are arranged in each ear protector 11, and the two first binding posts 4 are respectively connected with a live wire and a zero wire. The high-voltage cable 7 is provided with two groups, one group is an input end and is connected with the primary coil 5 through a first binding post 4; and the other group is an output end which is connected with a secondary coil 6 through a first binding post 4.
The transformer further comprises a grounding cable 8, and the grounding cable 8 is connected with the second binding post 12. The first binding post 4 and the second binding post 12 have the same structure and are both made of copper materials.
The transformer further comprises a ground foot mounting seat 13, the ground foot mounting seat 13 is connected with the iron yoke 2, mounting holes are formed in the ground foot mounting seat 13, the transformer is mounted in the high-voltage cabinet through the ground foot mounting seat 13, and the ground foot mounting seat 13 is provided with four parts.
The utility model discloses transformer compact structure, the total height is less than or equal to 200mm, and the total length is less than or equal to 330mm, and total width is less than or equal to 265 mm. The mounting dimension of the anchor is 220 +/-1 mm multiplied by 240 +/-1 mm (namely the center distance of the mounting holes on the anchor mounting base 13).
The utility model provides a high-voltage inverter cabinet isolation transformer, realizes the transmission of the change of voltage and electric energy to keep apart inlet wire power and the interior power of high-voltage board, play the effect of the interior control components and parts of protection high-voltage board. The utility model discloses compare in traditional high voltage isolation transformer simple structure, light in weight, low in manufacturing cost. Can effectively save materials and generate greater economic benefit.
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 (8)
1. The isolation transformer of the high-voltage inverter cabinet is characterized by comprising a cast winding (1), a yoke (2), a core column (3), a binding post (4), a primary coil (5), a secondary coil (6), a high-voltage cable (7) and a pull rod (10); the pouring winding (1) is sleeved on the core column (3); two ends of the stem (3) are respectively connected with the two pieces of iron gardenia (2); the two pieces of iron gardenia (2) are connected through a pull rod (10); a primary coil (5) and a secondary coil (6) are arranged in the pouring winding (1); the primary coil (5) and the secondary coil (6) are connected with a high-voltage cable (7) through a first binding post (4).
2. The high-voltage inverter cabinet isolation transformer is characterized in that the cast winding (1) is in a square tube shape, one end of the cast winding (1) extends outwards to form a pair of lugs (11), the first terminal (4) is arranged in the lugs (11), and the other end of the cast winding (1) is provided with the second terminal (12).
3. A high voltage inverter cabinet isolation transformer according to claim 2, characterized in that the high voltage cable (7) comprises live and neutral wires; two first binding posts (4) are arranged in each ear protector (11), and the two first binding posts (4) are respectively connected with a live wire and a zero wire.
4. The high-voltage inverter cabinet isolation transformer of claim 3, wherein the high-voltage cable (7) is provided with two groups, one group is an input end and is connected with the primary coil (5) through a first binding post (4); the other group is an output end which is connected with the secondary coil (6) through a first wiring terminal (4).
5. The high-voltage inverter cabinet isolation transformer of claim 4, wherein the protective lugs (11) are filled with a pouring sealant (9) for fixing the high-voltage cables (7).
6. The high-voltage inverter cabinet isolation transformer according to any one of claims 2 to 5, further comprising a grounding cable (8), wherein the grounding cable (8) is connected with the second terminal (12).
7. The high-voltage inverter cabinet isolation transformer of claim 6, wherein the first terminal (4) and the second terminal (12) have the same structure and are made of copper materials.
8. The high-voltage inverter cabinet isolation transformer of claim 7, further comprising a foot mounting seat (13), wherein the foot mounting seat (13) is connected with the yoke (2), and the foot mounting seat (13) is provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021284873.7U CN212113415U (en) | 2020-07-03 | 2020-07-03 | Isolation transformer of high-voltage inverter cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021284873.7U CN212113415U (en) | 2020-07-03 | 2020-07-03 | Isolation transformer of high-voltage inverter cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212113415U true CN212113415U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021284873.7U Active CN212113415U (en) | 2020-07-03 | 2020-07-03 | Isolation transformer of high-voltage inverter cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212113415U (en) |
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2020
- 2020-07-03 CN CN202021284873.7U patent/CN212113415U/en active Active
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