CN105405617A - Dry type transformer and insulating cushion block therefor - Google Patents
Dry type transformer and insulating cushion block therefor Download PDFInfo
- Publication number
- CN105405617A CN105405617A CN201510938243.4A CN201510938243A CN105405617A CN 105405617 A CN105405617 A CN 105405617A CN 201510938243 A CN201510938243 A CN 201510938243A CN 105405617 A CN105405617 A CN 105405617A
- Authority
- CN
- China
- Prior art keywords
- cross
- over block
- type transformer
- dry
- cushion block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/303—Clamping coils, windings or parts thereof together
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an insulating cushion block for a dry type transformer, and belongs to the technical field of the dry type transformer. The insulating cushion block comprises a cushion block body with a certain thickness and a positioning block; a sliding groove is formed in one side of the cushion block body; the positioning block is glidingly arranged in the sliding groove of the cushion block body; and a counter bore for allowing a fastener to insert is also formed in the cushion block body. The invention also provides the dry type transformer applying the insulating cushion block. The insulating cushion block is universal, and can adapt to the dry type transformers of different capacities, so that the die costs and storage costs of different insulating cushion blocks of transformer manufacturers are greatly reduced.
Description
Technical field
The invention belongs to transformer technology field, particularly relate to the dry-type transformer of a kind of insulating padding block for dry type transformer and this cross-over block of employing.
Background technology
Dry-type transformer is widely used in hospital, skyscraper, airport, and harbour CNC plant equipment etc. has the place of fireproof environmental requirement, and briefly dry-type transformer just refers to that iron core and winding are not immersed in the transformer in insulating oil.The coil of dry-type transformer normally supports with cross-over block and compresses.As shown in Figure 1, which show the partial structurtes schematic diagram of conventional dry transformer, comprise high-tension coil 10, low-voltage coil 11, upper clamping piece 12, lower clamping piece 13, upper cross-over block 14 and lower cross-over block 15, wherein go up top and bottom that cross-over block 14 and lower cross-over block 15 lay respectively at high-tension coil 10 and low-voltage coil 11.As seen from Figure 1, the thickness of upper cross-over block 14 and lower cross-over block 15 is different, although therefore the shape of the two is similar, and but can not be general up and down.Further, the dry-type transformer of different capabilities, the kind of cross-over block also has difference, needs a variety of mould like this, needs the cross-over block of each capacity to need standby stock simultaneously, causes inventory cost.
Summary of the invention
The object of the invention is to provide a kind of dry-type transformer cross-over block for the above-mentioned defect of prior art, the maximum advantage of this cross-over block has versatility, can reduce number of molds and stock, reduces cost.
A further object of the invention is to provide the dry-type transformer of an above-mentioned cross-over block of application, and this dry-type transformer have employed upper and lower identical cross-over block, simultaneously by adjusting upper and lower cross-over block to adapt to the dry-type transformer of different capabilities.
The object of the invention is to realize by the following technical solutions:
A kind of dry-type transformer cross-over block, described cross-over block comprises and has certain thickness cushion block body and locating piece, described cushion block body side offers slide slot, described locating piece slides and is arranged in the slide slot of cushion block body, described cushion block body also offers and sinks slotting counterbore for securing member.
Further, present invention also offers a kind of dry-type transformer adopting above-mentioned cross-over block, described cross-over block comprises the upper cross-over block and lower cross-over block with same size;
Described dry-type transformer also comprises: low-voltage coil, high-tension coil, upper fastening bolt, lower fastening bolt, high-low pressure upper clamping piece, high-low pressure lower clamping piece, wherein,
The top of described low-voltage coil and high-tension coil arranges cross-over block, the locating piece of described upper cross-over block is between low-voltage coil and high-tension coil, and described upper fastening bolt head puts into the counterbore of cross-over block, screw rod is through high-low pressure upper clamping piece screwed hole and arrange clamp nut; The bottom of described low-voltage coil and high-tension coil arranges lower cross-over block, the locating piece of described lower cross-over block is between low-voltage coil and high-tension coil, and in the counterbore that described lower fastening bolt head is put upside down into lower cross-over block, screw rod is through high-low pressure lower clamping piece screwed hole and arrange lower clamp nut.
Owing to have employed technique scheme, the present invention has the following advantages:
Dry-type transformer cross-over block provided by the invention arranges the mode of locating piece by sliding in cushion block body, needed for the dry-type transformer making can to adapt to when locating piece regulates different capabilities, simultaneously for the problem of the upper and lower cross-over block variable thickness of traditional dry-type transformer, have employed the screwed hole mode opened on cross-over block and pass for securing member, utilize screwed hole and securing member to adjust needed for distance when being applied to dry-type transformer.As can be seen here, the present invention solves the versatility of cross-over block very well, reduces mould input cost and inventory cost.If by tradition, each capacity needs the standby stock as 5 number of units amounts, and 5 capacity are then 25.And I only needs 5 now and just can meet production, another 20 due to general just can be off guard, so inventory cost is very low.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of conventional dry transformer;
Fig. 2 is the structural representation of dry-type transformer cross-over block of the present invention;
Fig. 3 is the partial structurtes schematic diagram of dry-type transformer of the present invention;
Fig. 4 is the enlarged diagram that in the present invention, cross-over block is connected with high-low pressure upper clamping piece;
Fig. 5 is the enlarged diagram that under the present invention, cross-over block is connected with high-low pressure lower clamping piece.
Embodiment
The technological means realized to make the present invention, creation characteristic, reach object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated:
As shown in Figure 2, the invention provides a kind of dry-type transformer cross-over block 20, described cross-over block 20 comprises and has certain thickness cushion block body 21 and locating piece 22, described cushion block body 21 side offers slide slot 23, described locating piece 22 slides and is arranged in the slide slot 23 of cushion block body 21, described cushion block body 21 also offers and sinks slotting counterbore (not shown) for securing member.Described securing member is fastening bolt.
From such scheme, the present invention by offering slide slot 23 on cross-over block 20, and the mode of the locating piece 22 that is slidably connected in slide slot 23, and on cross-over block 20, offer the mode of counterbore, make when being applied to dry-type transformer, can be general up and down, do not need to adopt extra cross-over block, but also the dry-type transformer by regulating the locating piece of cross-over block to be adapted to different capabilities.Therefore well solve the versatility of cross-over block, reduce mould input cost and inventory cost.
Further, present invention also offers a kind of dry-type transformer adopting above-mentioned cross-over block, see Fig. 3-5, in this dry-type transformer, described cross-over block comprises the upper cross-over block 31 and lower cross-over block 32 with same size;
Described dry-type transformer also comprises:
Low-voltage coil 33, high-tension coil 34, upper fastening bolt 35, lower fastening bolt 36, high-low pressure upper clamping piece 37, high-low pressure lower clamping piece 38; Wherein,
The top of described low-voltage coil 33 and high-tension coil 34 arranges cross-over block 31, the locating piece 31a of described upper cross-over block 31 is between low-voltage coil 33 and high-tension coil 34, and in the counterbore 31b that described upper fastening bolt 35 head is put upside down into upper cross-over block 31, screw rod is through high-low pressure upper clamping piece 37 screwed hole and arrange upper clamp nut 31c;
The bottom of described low-voltage coil 33 and high-tension coil 34 arranges lower cross-over block 32, the locating piece 32a of described lower cross-over block 32 is between low-voltage coil 33 and high-tension coil 34, and in the counterbore 32b that described lower fastening bolt 36 head is put upside down into lower cross-over block 32, screw rod is through high-low pressure lower clamping piece 38 screwed hole and arrange lower clamp nut 32c.
As can be seen from such scheme and Fig. 3, dry-type transformer of the present invention have employed identical cross-over block 31,32, and therefore transformer production producer need not open different moulds again, reduces mould input cost and inventory cost.
In order to strengthen support force and press force, described upper fastening bolt 35 and lower fastening bolt 36 are also equipped with two large washers 39 respectively, and described two large washers 39 contact with upper cross-over block 31 and lower cross-over block 32 respectively.
Wherein, described high-low pressure upper clamping piece 37 and high-low pressure lower clamping piece 38 are steel plate bending part.In such scheme, described upper cross-over block 31 and lower cross-over block 32 are insulating resin cushion block.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (6)
1. a dry-type transformer cross-over block, it is characterized in that, described cross-over block comprises and has certain thickness cushion block body and locating piece, described cushion block body side offers slide slot, described locating piece slides and is arranged in the slide slot of cushion block body, described cushion block body also offers and sinks slotting counterbore for securing member.
2. dry-type transformer cross-over block as claimed in claim 1, it is characterized in that, described securing member is fastening bolt.
3. comprise a dry-type transformer for cross-over block described in claim 1 or 2, it is characterized in that, described cross-over block comprises the upper cross-over block and lower cross-over block with same size;
Described dry-type transformer also comprises: low-voltage coil, high-tension coil, upper fastening bolt, lower fastening bolt, high-low pressure upper clamping piece, high-low pressure lower clamping piece, wherein,
The top of described low-voltage coil and high-tension coil arranges cross-over block, the locating piece of described upper cross-over block is between low-voltage coil and high-tension coil, and in the counterbore that described upper fastening bolt head is put upside down into upper cross-over block, screw rod is through high-low pressure upper clamping piece screwed hole and arrange upper clamp nut;
The bottom of described low-voltage coil and high-tension coil arranges lower cross-over block, the locating piece of described lower cross-over block is between low-voltage coil and high-tension coil, and in the counterbore that described lower fastening bolt head is put upside down into lower cross-over block, screw rod is through high-low pressure lower clamping piece screwed hole and arrange lower clamp nut.
4. dry-type transformer as claimed in claim 3, it is characterized in that, described upper fastening bolt and lower fastening bolt are also equipped with two large washers respectively, and described two large washers contact with upper cross-over block and lower cross-over block respectively.
5. dry-type transformer as claimed in claim 4, is characterized in that described high-low pressure upper clamping piece and high-low pressure lower clamping piece are steel plate bending part.
6. dry-type transformer as claimed in claim 5, it is characterized in that, described upper cross-over block and lower cross-over block are insulating resin cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938243.4A CN105405617A (en) | 2015-12-16 | 2015-12-16 | Dry type transformer and insulating cushion block therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938243.4A CN105405617A (en) | 2015-12-16 | 2015-12-16 | Dry type transformer and insulating cushion block therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105405617A true CN105405617A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510938243.4A Pending CN105405617A (en) | 2015-12-16 | 2015-12-16 | Dry type transformer and insulating cushion block therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105405617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107967988A (en) * | 2016-10-20 | 2018-04-27 | Ls 产电株式会社 | Ast resin transformer |
| CN109378196A (en) * | 2018-12-10 | 2019-02-22 | 镇江天力变压器有限公司 | A kind of New insulated cushion block |
-
2015
- 2015-12-16 CN CN201510938243.4A patent/CN105405617A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107967988A (en) * | 2016-10-20 | 2018-04-27 | Ls 产电株式会社 | Ast resin transformer |
| US10410785B2 (en) | 2016-10-20 | 2019-09-10 | Lsis Co., Ltd. | Cast resin transformer |
| CN109378196A (en) * | 2018-12-10 | 2019-02-22 | 镇江天力变压器有限公司 | A kind of New insulated cushion block |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160316 |
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| WD01 | Invention patent application deemed withdrawn after publication |