CN209675074U - Folding stereo single radial cut iron core resin casting dry-type transformer - Google Patents
Folding stereo single radial cut iron core resin casting dry-type transformer Download PDFInfo
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- CN209675074U CN209675074U CN201920299699.4U CN201920299699U CN209675074U CN 209675074 U CN209675074 U CN 209675074U CN 201920299699 U CN201920299699 U CN 201920299699U CN 209675074 U CN209675074 U CN 209675074U
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- iron core
- yoke
- resin molded
- radial cut
- coil
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Abstract
Folding stereo single radial cut iron core resin casting dry-type transformer, including the identical single frame single radial cut iron core of three shapes.The upper end of the single frame single radial cut iron core is upper yoke, and lower end is lower yoke, and the middle section of upper and lower yoke is stem, iron on the yoke and lower yoke by two kinds of structure compositions, and upper yoke uses two round corner structures, and lower yoke is used by four 135o or six 150o bending corner structures.Tool is arranged in the iron core open area, and there are two the upper yokes of round corner structure, an opening is corresponding with after each material strip stack, open butt joint position is by staged interlayer dislocation cycle arrangement, the outer sheath of stem is equipped with low pressure resin molded coil, low pressure resin molded coil outer sheath is equipped with high-pressure resin molded coil, the low pressure resin molded coil and the rounded core structure of high-pressure resin molded coil.The transformer have the characteristics that high mechanical strength, manufacturing process it is simple, it is convenient for production, at low cost, can repair, noise is small, small with no-load loss, anti-short circuit capability is strong.
Description
Technical field
The utility model belong to power equipment technical field, in particular to a kind of folding stereo single radial cut iron core resin
Casting dry type transformer.
Background technique
Cast Resin Dry-Type Transformer is one of transformer type, is cooled down by cross-ventilation, is one
Kind electrical strength, mechanical strength, the very high dry-type transformer of high-temperature capability.It is the preferred product of urban network reconstruction, having can
By property height, the characteristics of long service life.Product be widely used in skyscraper, commercial center, residential quarters, hospital, chemical plant,
Nuclear power station, ship and other requirements fire prevention, explosion-proof, moisture-proof distribution network and industrial and mining enterprises' power supply-distribution system etc. are important or special
Environment space.As country vigorously advocates under the dynamics using energy-saving power product, good energy saving property, the dry type of simple process
Transformer is the trend of Future Development.However, there are production technology complexity, iron core assemblies for existing resin casting dry-type transformer
Low efficiency constrains the development of existing transformer industry.How existing resin casting dry-type transformer is carried out in structure
It improves, improves production efficiency, promote production capacity and have become people's urgent problem to be solved.
Summary of the invention
The purpose of this utility model is: providing folding stereo single radial cut iron core resin casting dry-type transformer, realizes life
It produces efficiently, transformer manufacture craft is simple, convenient for production, at low cost, coil can be set with, can repair, noise is small, no-load loss
The features such as low, energy conservation and environmental protection and good anti-short circuit capability.
To solve the above problems, technical solution provided by the utility model is: folding stereo single radial cut iron core resin pours
Infuse dry-type transformer, including the identical single frame single radial cut iron core of three shapes.The upper end of the single frame single radial cut iron core is upper yoke,
Lower end is lower yoke, and the middle section of upper and lower yoke is stem, iron on the yoke and lower yoke by two kinds of structure compositions, and upper yoke uses two circles
Type corner structure, lower yoke are used by four 135o or six 150o bending corner structures.The open area position of the iron core is set to
The upper yoke of iron core, the outer sheath of stem are equipped with low pressure resin molded coil, and low pressure resin molded coil outer sheath is equipped with high pressure tree
Rouge molded coil is equipped with high-voltage tap, the low pressure resin molded coil and high-pressure resin above high-pressure resin molded coil
The rounded core structure of molded coil.Lower clamping piece welding is placed on by the three-dimensional iron core of three single frame single radial cut iron core splits
On pedestal, pedestal is equipped with transformer base below.Upper clamping piece is connected with lower clamping piece by clamping screw, upper cushion block and lower cushion block
For supporting and compressing high and low pressure coil, the lower platen is fixedly connected by support rod with the pedestal being fixed on lower clamping piece,
Upper and lower pressing plate and clamping screw are cooperatively connected, and top board is located at the space on iron core top, and lower platen is located at the lower space of iron core
Interior, the iron yoke of iron core upper end is arranged between top board a side and a folder side of upper clamping piece, the iron yoke setting of iron core lower end
On pedestal between lower platen and lower clamping piece, the high-tension coil and low-voltage coil are sleeved in core mandrel, upper and lower folder
High tension lead circle and low-voltage coil, further include cushion block and lower cushion block on one, and the both ends of high-tension coil and low-voltage coil are set respectively
It is equipped with cushion block and lower cushion block；Lower clamping piece and lower platen support lower cushion block, upper clamping piece and top board compress upper cushion block.Lower clamping piece bottom
Portion is fixedly connected on the transformer base of channel steel, is fixedly installed cooling blower respectively above transformer base.
It is preferred that it is described by three single frame single radial cut iron cores with central angle 1200The iron core that angle is put together, iron core rod are cut
Face is in inpolygon.
It is preferred that it is described by three single frame single radial cut iron cores with central angle 1200The iron core that angle is put together, iron core rod are cut
Face is rounded.
It is preferred that it is described by three single frame single radial cut iron cores with central angle 1200The iron core that angle is put together, iron core rod are cut
Face is in inscribed regular hexagon.
Further preferably, the upper yoke of the single frame single radial cut iron core is by two round corner structures, and the lower yoke of iron core is by bending
Formula core structure.
Further preferably, the aperture position of the iron core is arranged in tool there are two at the upper yoke of round corner structure.Each material
Band is corresponding with an opening, and open butt joint position is by staged interlayer dislocation cycle arrangement.
The beneficial effects of the utility model are.
1, the transformer core uses folding stereo single radial cut iron core, has that electromagnetic performance is good, magnetic circuit is symmetrical, has sky
Carry the features such as electric current is small, and the harmonic wave of no-load current is small, and loss is low, and noise is small.
3, transformer high mechanical strength, solve existing collapsible dual openings iron core dry-type transformer iron core easily loosen, shift,
The big problem of deformation, noise.
4, the upper yoke of iron core is arranged in the open butt joint position of transformer core, since opening is exposed to outside, and obviously may be used
See, improve transformer core inserting efficiency, transformer coil nested and easy to maintenance improves the anti-sudden short circuit energy of iron core
Power.
5, the upper and lower yoke of the iron core of transformer can be inverted each other.
Detailed description of the invention
Fig. 1 is one embodiment view of the utility model stereochemical structure.
Fig. 2 is the one embodiment view of stereochemical structure of the utility model folder.
Fig. 3 is one embodiment view of the utility model solid iron core.
Fig. 4 is another embodiment view of the utility model solid iron core.
Fig. 5 is one embodiment view of the utility model iron core.
Fig. 6 is another embodiment view of the utility model iron core.
Fig. 7 is one embodiment view of the utility model iron core open area position.
Fig. 8 is another embodiment view in the utility model iron core open area position.
Fig. 9 is one embodiment schematic diagram of section of the utility model polygon iron core rod.
Figure 10 is one embodiment schematic diagram of section of the utility model iron core rod.
Figure 11 is one embodiment schematic diagram of section of the utility model iron core rod.
Figure 12 is one embodiment schematic diagram of the utility model broken line silicon steel material strip.
Figure 13 is one embodiment schematic diagram of the utility model curve silicon steel material strip.
Figure 14 is that the utility model combines one embodiment schematic diagram of silicon steel material strip.
Figure 15 is one embodiment schematic diagram of the utility model low-voltage coil.
Figure 16 is one embodiment schematic diagram of the utility model high-tension coil.
Specific embodiment
The specific implementation of the utility model is further explained with reference to the accompanying drawing, but the not limitation present invention.
As shown in Figure 1 and Figure 2, a kind of folding stereo single radial cut iron core resin casting dry-type transformer, including it is collapsible vertical
Body single radial cut iron core, resin-cast high and low pressure coil, folder part, as shown in Figure 3, Figure 4, the folding stereo single radial cut
Iron core, including being assembled by three independences and size structure single frame single radial cut iron core 8 all the same with 120 ° of central angle of angle
Three-dimensional iron core 1.As shown in Figure 1 and Figure 2, each phase coil is made of high-tension coil 2 and low-voltage coil 3.Outside iron core rod
Side is set with low pressure resin molded coil 3, and low pressure resin molded coil outer sheath is equipped with high-pressure resin molded coil 2, high-voltage line
Circle 2 is equipped with high-voltage tap 37, folder from top to bottom 4,5 high tension lead circles 2 and low-voltage coil 3, high-tension coil 2 and low-voltage coil 3
Both ends be respectively arranged with the lower end lower cushion block 10 corresponding with high and low pressure coil of cushion block 9, lower clamping piece 5 and lower platen 62 support
Lower cushion block 10, upper clamping piece 4 and top board 61 compress upper cushion block 9.Three connecting terminals 21,22,23 of the high-tension coil 2 and low
Four connecting terminals 31,32,33,34 of crimping circle 3 arrange the mounting rack for being located at the upper clamping piece 4 of opposite side of transformer respectively
On 11, the folder includes upper clamping piece 4, lower clamping piece 5, top board 61, lower platen 62 and clamping screw 7, and lower platen 62 passes through branch
Strut is fixedly connected with the pedestal 63 being fixed on lower clamping piece 5, and lower clamping piece 5 is fixed on the pedestal 35 of transformer, the bottom of transformer
Cooling blower 36, top board 61 and lower platen 62 are installed on seat 35 and clamping screw 7 cooperates, 51 be the portion for supporting lower cushion block 10
Position, 41 be the position for compressing upper cushion block, is provided with damping device, the damping between the lower yoke and pedestal 63 of the solid iron core
Device is an elastic insulated pad.As shown in (Fig. 3), the single radial cut iron core 1 includes by the identical collapsible single frame of three shapes
Single radial cut iron core 8 is assembled, and the upper end of single frame single radial cut iron core is upper yoke 82, and lower end is lower yoke 83, the middle part of upper and lower yoke
It is divided into stem 81, such as (Fig. 7) is shown, round angle 123 there are two 82 tools at the upper yoke of the iron core, under iron core there are four yoke tools
135o bending angle 83, such as (Fig. 8) are shown, round angle 123 there are two 82 tools at the upper yoke of the iron core, under iron core there are six yoke tools
150o bending angle 84.As shown in (Fig. 7), the open area position of the iron core is set to 122 at the upper yoke of iron core, single frame iron core
It is composition iron core rod section after inpolygon 811,8 split of single frame iron core that iron core rod sectional area (Fig. 9) is constituted after 8 splits
Area (Figure 10) is that the iron core rod section (Figure 11) after circle 812,8 split of single frame iron core is in inscribed regular hexagon 813.Such as
Shown in Fig. 9, the core section is in 811 iron core of inpolygon by 8111 stack of (Figure 12) multiple groups broken line type opening material band group
It forms.As shown in (Figure 10), rounded 812 iron core of core section by 8112 stack of (Figure 13) curve opening material band group and
At.As shown in (Figure 11), the core section is in 813 iron core of inscribed regular hexagon by (Figure 14) multiple groups broken line type opening material band
8113 stacks of group form.As shown in (Figure 15), the resin-cast low-voltage coil 3 is using round core structure.Such as (Figure 16) institute
Show, the resin-poured high-voltage coil 2 is using round core structure.
Wherein, such as (shown in Fig. 7, (Fig. 8), the tool is to pass through people there are two the upper yoke of round angle 123 to the single frame iron core
What the mode closed assembly of work was realized.Specifically, when carrying out transformer body assembly, first by resin-poured high-voltage coil 2 and resin
Pouring low-voltage coil 3 is set in three upward U-shaped core mandrels, such as shown in (Fig. 5), then will be set with and be passed through high pressure
The material strip of the molding mass band group of the U-shaped stem upper end of coil 2 and low-voltage coil 3 bends to 900Fillet R carries out closed assembly, after closed assembly
It is the upper yoke 82 of iron core.
Wherein, such as (shown in Fig. 7, (Fig. 8), the lower yoke with bending angle is using machining to the single frame iron core
Mode realize.Specifically, " a kind of multiduty iron core provided using the present inventor's letters patent book number No. 3472719
Manufacturing equipment " is process tool there are four the U-shaped molding silicon steel material strip at 135o or six 150o bending angle, is made of the material strip
There are four 135o bending angle 83 or tool, there are six 150o bending angles 84 through lower yoke tool made of stack for material strip group.Single frame iron core is opened
Tool is arranged in mouth regional location, and there are two in the upper yoke 82 of round angle 122.
As the improvement of technical solution, such as shown in (Fig. 5), the material strip with U-shaped molding silicon steel material strip composition is stacked
In standard U-shaped 84 before dress, such as shown in (Fig. 6), it is described closed assembly is formed by U-shaped molding silicon steel material strip after be single frame iron core 8, the window of iron core
Mouth is in quasi- rectangular configuration.
As the improvement of technical solution, such as shown in (Fig. 4), the setting of open area 122 after the stack is there are two the tools
Staged interlayer Heterogeneous Permutation is pressed in the upper yoke 82 of round angle iron core, open butt joint position.
As the improvement of technical solution, such as shown in (Fig. 7), there are two round angle 123, iron cores for the tool of upper yoke 82 of the iron core
There are four 135o bending angles for the lower tool of yoke 83.
As the improvement of technical solution, such as shown in (Fig. 8), there are two round angle 123, iron for 82 tools at the upper yoke of the iron core
There are six 150o bending angles for yoke tool 84 under core.
Specific embodiment of the present utility model is write according to progressive mode, and each embodiment party is highlighted
The difference of case, similar portion can be with cross-reference.
The embodiments of the present invention is elaborated above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment can also not depart from this within the knowledge of a person skilled in the art
Various changes can be made under the premise of objective.
Claims (1)
1. folding stereo single radial cut iron core resin casting dry-type transformer, including folding stereo single radial cut iron core, resin pour
High and low pressure coil, folder part are infused, the folding stereo single radial cut iron core is by three single frame single radial cut iron cores with central angle
1200Angle is put together, the core section after split in inpolygon, it is rounded, be in regular hexagon, single frame iron core it is upper
There are two round angle, the lower yokes of single frame iron core to have there are four 135o bending angle or six 150o bending angles for yoke tool, the stem
Outer sheath is equipped with low pressure resin molded coil, and low pressure resin molded coil outer sheath is equipped with high-pressure resin molded coil, described low
Pressurizing resin molded coil and the rounded core structure of high-pressure resin molded coil, the folder part includes upper clamping piece, lower folder
Part, top board, lower platen and clamping screw, lower platen are fixedly connected by support rod with the pedestal being fixed on lower clamping piece, upper,
Lower platen and clamping screw cooperate, and top board is located at the space on iron core iron core top, and lower platen is located in the lower space of iron core,
The iron yoke of iron core upper end is arranged between top board a side and a folder side of upper clamping piece, and the iron yoke of iron core lower end is arranged under
On pedestal between pressing plate and lower clamping piece, upper and lower folder high tension lead circle and low-voltage coil, high-tension coil and low-voltage coil
Both ends are respectively arranged with cushion block and lower cushion block, lower clamping piece and lower platen support lower cushion block, and upper clamping piece and top board are compressed and padded
Block, single frame iron core are formed by multiple groups molding mass band stack, and the upper yoke with round angle is arranged in stack after-opening position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299699.4U CN209675074U (en) | 2019-03-11 | 2019-03-11 | Folding stereo single radial cut iron core resin casting dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299699.4U CN209675074U (en) | 2019-03-11 | 2019-03-11 | Folding stereo single radial cut iron core resin casting dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675074U true CN209675074U (en) | 2019-11-22 |
Family
ID=68571053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920299699.4U Expired - Fee Related CN209675074U (en) | 2019-03-11 | 2019-03-11 | Folding stereo single radial cut iron core resin casting dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209675074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243851A (en) * | 2020-04-15 | 2020-06-05 | 沈阳嘉恒机电设备有限公司 | Foldable triangular iron core assembly table with openings |
-
2019
- 2019-03-11 CN CN201920299699.4U patent/CN209675074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243851A (en) * | 2020-04-15 | 2020-06-05 | 沈阳嘉恒机电设备有限公司 | Foldable triangular iron core assembly table with openings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |