CN215265871U - High-voltage outgoing line copper bar mounting structure of dry-type transformer - Google Patents
High-voltage outgoing line copper bar mounting structure of dry-type transformer Download PDFInfo
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- CN215265871U CN215265871U CN202022843383.2U CN202022843383U CN215265871U CN 215265871 U CN215265871 U CN 215265871U CN 202022843383 U CN202022843383 U CN 202022843383U CN 215265871 U CN215265871 U CN 215265871U
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Abstract
The utility model relates to a high pressure of dry-type transformer is qualified for next round of competitions copper bar mounting structure, including high-voltage insulator, high pressure be qualified for the next round of competitions copper bar, high-pressure connecting rod, the high pressure copper bar of being qualified for the next round of competitions has the first section of vertical extension, and high-voltage insulator links to each other with the first position of first section, and high-pressure connecting rod links to each other with the second position of first section, and this second position is located the below of first position. Through linking to each other high-voltage connecting rod and the second position of first section, high-voltage connecting rod and high-voltage insulator link to each other with the different positions of high-voltage outgoing line copper bar respectively like this, when one of them needs to be maintained in high-voltage connecting rod and high-voltage insulator, can dismantle alone, and need not all dismantle both, when maintaining the end installation correspondingly, also only need will pull down one of them install can, make high-voltage connecting rod and high-voltage insulator's maintenance efficiency higher like this.
Description
Technical Field
The utility model relates to a dry-type transformer technical field, concretely relates to high pressure of dry-type transformer is qualified for next round of competitions copper bar mounting structure.
Background
Transformers can be classified into oil-immersed transformers and dry-type transformers according to insulation cooling methods. The dry-type transformer generally includes a high-voltage outgoing copper bar, a high-voltage insulator and a high-voltage connecting rod respectively connected to the high-voltage outgoing copper bar, and the like.
For example, chinese utility model patent application No. CN201922116243.2 (publication No. CN210984485U) discloses "a backing plate device between drawstring cores of a dry-type transformer", which includes an upper core and an upper clamp for fixing the upper core, the upper clamp includes a first channel steel and a second channel steel which are located at two sides of the upper core and clamp the upper core, lower flange plates of the first channel steel and the second channel steel are both fixedly disposed, and a drawstring fastening assembly is disposed between upper flange plates of the first channel steel and the second channel steel; the drawstring fastening assembly comprises a first U-shaped screw and a second U-shaped screw which are respectively arranged on the first channel steel and the second channel steel, a fastening drawstring is arranged between the first U-shaped screw and the second U-shaped screw, and a mylar plate is arranged between the fastening drawstring and the upper iron core. This patent has designed a mylar board between fastening stretching strap and last iron core, and mylar insulating properties is good, the pliability is good, can fully bend, can accomplish and iron core surface 100% contact, avoids the fastening stretching strap to receive the iron core wearing and tearing to handsome in appearance, simple structure, reasonable in design.
For another example, a chinese utility model patent with application number CN201520313347.1 (publication number CN204651145U) discloses a "novel dry transformer", which includes a bottom frame, an iron core assembly, a low-voltage coil, a low-voltage lead, a low-voltage outgoing line copper bar, a low-voltage insulator, a high-voltage coil, a high-voltage lead, a high-voltage incoming line copper bar, a high-voltage insulator, a temperature controller, and a blower, wherein the iron core assembly is disposed on the bottom frame; the cross section of the low-voltage coil is oblong and comprises an inner cylinder coil and an outer cylinder coil, the inner cylinder coil and the outer cylinder coil are both led out through a low-voltage outgoing line copper bar, an air duct is arranged between the inner cylinder coil and the outer cylinder coil, and an air duct stay is arranged in the air duct; the high-voltage coil is sleeved outside the low-voltage coil, and the cross section of the high-voltage coil is oblong; the temperature controller is arranged on the iron core assembly, and the blower is arranged on the bottom frame and connected with the temperature controller. The long circular coil is adopted, so that the volume of the transformer is reduced, and the production, transportation and installation costs are reduced; meanwhile, the low-voltage coil adopts an inner cylinder and an outer cylinder structure and is provided with an air duct, so that the heat dissipation efficiency is improved, and the service life is prolonged.
However, the above transformers all have the following problems: the high-voltage connecting rod and the high-voltage insulator are connected with the same position of the high-voltage outgoing line copper bar, so that when one of the high-voltage connecting rod and the high-voltage insulator needs to be maintained and needs to be disassembled, the high-voltage connecting rod and the high-voltage insulator need to be disassembled, the other one of the high-voltage connecting rod and the high-voltage insulator needs to be connected with the high-voltage outgoing line copper bar, and similarly, when the high-voltage connecting rod and the high-voltage insulator need to be connected to the high-voltage outgoing line copper bar together after maintenance is finished, and the maintenance efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, a high-pressure copper bar mounting structure of being qualified for the next round of competitions of high-pressure connecting rod and high-voltage insulator's the higher dry-type transformer of maintenance efficiency is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a mounting structure of high pressure copper bar of being qualified for next round of competitions of dry-type transformer, includes high-voltage insulator, high pressure copper bar, the high-pressure connecting rod of being qualified for the next round of competitions, the high pressure copper bar of being qualified for the next round of competitions has the first section of vertical extension, high-voltage insulator links to each other its characterized in that with the first position of first section: the high-pressure connecting rod is connected with a second position of the first section, and the second position is positioned below the first position.
As an improvement, the high-voltage outlet copper bar is also provided with a second section connected with the top of the first section and a third section connected with the outer end of the second section, and the third section is used for being electrically connected with a cable.
Further, the third section extends vertically.
Further, the edge of the free end of the third section is smoothly transited.
Preferably, two sides of the edge of the free end of the third section are respectively arc-shaped.
Furthermore, the high-voltage insulator is also simultaneously connected with a third position of the first section of the high-voltage outlet copper bar, and the third position is positioned between the first position and the second position.
Furthermore, the corresponding positions of the high-voltage insulator and the high-voltage outgoing line copper bar are connected through a first screw.
Furthermore, the high-voltage outgoing line copper bar is connected with the high-voltage connecting rod through a fastener.
Preferably, the fastener includes the bolt and the supporting nut with the bolt, the copper bar has first through-hole, the high pressure connecting rod has the second through-hole in the position that corresponds, and the bolt passes first through-hole and second through-hole and links to each other with the nut to link to each other high pressure connecting rod and high pressure copper bar of being qualified for the next round of competitions.
And finally, the fastener is a second screw for connecting the high-voltage connecting rod and the high-voltage outgoing line copper bar.
Compared with the prior art, the utility model has the advantages that: through linking to each other high-voltage connecting rod and the second position of high-pressure outlet copper bar first section, high-voltage connecting rod and high-voltage insulator link to each other with the different positions of high-pressure outlet copper bar respectively like this, when one of them needs to be maintained in high-voltage connecting rod and high-voltage insulator, can dismantle alone, and need not all dismantle both, when maintaining the installation after finishing correspondingly, also only need will pull down one of them install can, make high-voltage connecting rod and high-voltage insulator's maintenance efficiency higher like this.
Drawings
Fig. 1 is a front view of a dry type transformer to which a high voltage outgoing line copper bar mounting structure of the dry type transformer according to an embodiment of the present invention is applied;
FIG. 2 is an enlarged schematic view of detail A of FIG. 1;
fig. 3 is a side view of the dry transformer of fig. 1;
fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, a preferred embodiment of a dry-type transformer with a high-voltage outlet copper bar mounting structure of the dry-type transformer is provided.
The transformer comprises a high-voltage outgoing line copper bar mounting structure, wherein the mounting structure comprises a high-voltage insulator 1, a high-voltage outgoing line copper bar 2, a high-voltage connecting rod 3 and the like.
Referring to fig. 4, the high-voltage outlet copper bar 2 has a first section 21 extending vertically, a second section 22 connected to the top of the first section 21, and a third section 23 connected to the outer end of the second section 22, and the third section 23 is used for electrically connecting to a cable. Preferably, the third section 23 extends vertically, so that the third section 23 does not occupy a space laterally, which is convenient for the cable to extend vertically, and the third section 23 does not cause a spatial interference to the cable. In addition, the edge of the free end of the third section 23 is in smooth transition, preferably, two sides of the edge of the free end of the third section 23 are respectively in an arc shape, in other embodiments, two sides of the edge of the free end of the third section 23 can also be in a curve shape, so that the free end of the third section 23 is relatively round rather than in a sharp-angle shape, thereby reducing partial discharge and prolonging the service life of the transformer.
The high voltage insulator 1 is connected to a first location 211 of the first section 21 and the high voltage connection rod 3 is connected to a second location 212 of the first section 21, which second location 212 is located below the first location 211. The high-voltage insulator 1 is also connected with a third position 213 of the first section 21 of the high-voltage outlet copper bar 2, and the third position 213 is located between the first position 211 and the second position 212, so that the high-voltage insulator 1 is connected with the two positions of the high-voltage outlet copper bar 2, and the connection is stable. In the present embodiment, the corresponding positions of the high-voltage insulator 1 and the high-voltage outlet copper bar 2 are connected through the first screw 5, and in other embodiments, the first screw 5 may be replaced by a bolt, a nut, or the like.
The high-voltage outgoing copper bar 2 is connected with the high-voltage connecting rod 3 through a fastener. Specifically, the fastener includes bolt 4 and the nut that matches with bolt 4, and high-pressure copper bar 2 of being qualified for the next round of competitions has first through-hole, and high-pressure connecting rod 3 has the second through-hole in the position that corresponds, and bolt 4 passes first through-hole and second through-hole and links to each other with the nut to link to each other high-pressure connecting rod 3 and high-pressure copper bar 2 of being qualified for the next round of competitions. The fastener can also be replaced by a second screw for connecting the high-voltage connecting rod 3 and the high-voltage outgoing copper bar 2.
The working principle and the using process of the high-voltage outgoing line copper bar mounting structure of the dry-type transformer are as follows.
During installation, the first position 211 and the third position 213 of the high-voltage outgoing line copper bar 2 are connected with the high-voltage insulator 1, the high-voltage connecting rod 3 is connected with the second position 212 of the high-voltage outgoing line copper bar, so that the high-voltage connecting rod 3 and the high-voltage insulator 1 are respectively connected with different positions of the high-voltage outgoing line copper bar 2, when one of the high-voltage connecting rod 3 and the high-voltage insulator 1 needs to be maintained, the high-voltage connecting rod 3 and the high-voltage insulator can be independently disassembled without disassembling the high-voltage connecting rod and the high-voltage insulator, when the installation is correspondingly maintained and finished, only one of the disassembled high-voltage connecting rod 3 and the high-voltage insulator 1 needs to be installed, and therefore the maintenance efficiency of the high-voltage connecting rod 3 and the high-voltage insulator 1 is higher.
Claims (10)
1. The utility model provides a high pressure copper bar mounting structure of being qualified for next round of competitions of dry-type transformer, includes high-voltage insulator (1), high pressure copper bar (2), high-pressure connecting rod (3) of being qualified for the next round of competitions, high pressure copper bar (2) of being qualified for the next round of competitions have vertical extension first section (21), high-voltage insulator (1) links to each other its characterized in that with first position (211) of first section (21): the high-voltage connecting rod (3) is connected to a second position (212) of the first section (21), the second position (212) being located below the first position (211).
2. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in claim 1, wherein: the high-voltage outlet copper bar (2) is also provided with a second section (22) connected with the top of the first section (21) and a third section (23) connected with the outer end of the second section (22), and the third section (23) is used for being electrically connected with a cable.
3. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in claim 2, wherein: the third section (23) extends vertically.
4. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in claim 2, wherein: the edge of the free end of the third section (23) is smoothly transited.
5. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in claim 4, wherein: two sides of the edge of the free end of the third section (23) are respectively arc-shaped.
6. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in any one of claims 1 to 5, wherein: the high-voltage insulator (1) is also simultaneously connected with a third position (213) of the first section (21) of the high-voltage outlet copper bar (2), and the third position (213) is positioned between the first position (211) and the second position (212).
7. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in any one of claims 1 to 5, wherein: the high-voltage insulator (1) is connected with the corresponding position of the high-voltage outgoing line copper bar (2) through a first screw (5).
8. The high-voltage outlet copper bar installation structure of the dry-type transformer as claimed in any one of claims 1 to 5, wherein: the high-voltage outgoing line copper bar (2) is connected with the high-voltage connecting rod (3) through a fastener.
9. The high-voltage outlet copper bar mounting structure of the dry-type transformer as claimed in claim 8, wherein: the fastener includes bolt (4) and the supporting nut with bolt (4), the copper bar has first through-hole, high-pressure connecting rod (3) have the second through-hole in the position that corresponds, and bolt (4) pass first through-hole and second through-hole and link to each other with the nut to be qualified for the next round of competitions copper bar (2) with high pressure connecting rod (3) and high pressure and link to each other.
10. The high-voltage outlet copper bar mounting structure of the dry-type transformer as claimed in claim 8, wherein: the fastener is a second screw for connecting the high-voltage connecting rod (3) and the high-voltage outgoing line copper bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022843383.2U CN215265871U (en) | 2020-11-30 | 2020-11-30 | High-voltage outgoing line copper bar mounting structure of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022843383.2U CN215265871U (en) | 2020-11-30 | 2020-11-30 | High-voltage outgoing line copper bar mounting structure of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215265871U true CN215265871U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022843383.2U Active CN215265871U (en) | 2020-11-30 | 2020-11-30 | High-voltage outgoing line copper bar mounting structure of dry-type transformer |
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| Country | Link |
|---|---|
| CN (1) | CN215265871U (en) |
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2020
- 2020-11-30 CN CN202022843383.2U patent/CN215265871U/en active Active
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Address after: 315031 No.17 and 22 Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Patentee after: Ningbo Aokes Intelligent Technology Co.,Ltd. Address before: 315031 No.17 and 22 Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Patentee before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. |
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