CN207441428U - A kind of folding stereo open core resin casting dry-type transformer - Google Patents
A kind of folding stereo open core resin casting dry-type transformer Download PDFInfo
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- CN207441428U CN207441428U CN201720997378.2U CN201720997378U CN207441428U CN 207441428 U CN207441428 U CN 207441428U CN 201720997378 U CN201720997378 U CN 201720997378U CN 207441428 U CN207441428 U CN 207441428U
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Abstract
The utility model discloses a kind of folding stereo open core resin casting dry-type transformers, including collapsible open core, resin-cast coil, folder part, wherein collapsible open core be by three independences and size structure all same section in the collapsible open core of single frame of isosceles trapezoid with the assembled three-dimensional open core of the angle of 120 ° of central angle, it is assembled after the section of collapsible core mandrel be in approximate equilateral hexagon.The outer sheath of stem is equipped with low-voltage coil, and low-voltage coil outer sheath is equipped with high-tension coil, and there is stay in centre, and low-voltage coil and high-tension coil are regular hexagon core structure.Since collapsible open core stem section is in approximate equilateral hexagon structure, high-voltage coil and low-voltage coil uses hexagon core structure, collapsible iron core forms perfect combination with coil, iron space factor is improved, fundamentally solves the purpose for producing the silicon steel band that a kind of transformer of capacity only needs a kind of width.
Description
Technical field
The utility model belongs to the technical field of power equipment, in particular to a kind of folding stereo open core resin pours
Note dry-type transformer.
Background technology
Cast Resin Dry-Type Transformer is one kind in transformer species, is examined using quality material and advanced production
Measurement equipment is formed by stringent technique productions.It is cooled down by cross-ventilation, is a kind of electrical strength, mechanical strength, heat-resisting
The very high dry-type transformer of intensity.It is the quality product of urban network reconstruction, there is the characteristics of reliability is high, and service life is long.
It is anti-that product is widely used in skyscraper, commercial center, residential quarters, hospital, chemical plant, nuclear power station, ship and other requirements
Fiery, explosion-proof, moisture-proof distribution network and industrial and mining enterprises' power supply-distribution system etc. be important or particular surroundings place.As country strives vigorously to advocate greatly
Lead under the dynamics using energy-saving power product, good energy saving property, it is simple for process, at low cost, dry-type transformer can more fit
Answer the development of following power grid.
But existing resin casting dry-type transformer there are it is anti-mutation short-circuit capacity it is weak, need to lay in a large amount of silicon in production
The problem of steel bar material stock.How existing resin casting dry-type transformer in structure is improved, reduces business inventory
Amount reduces production cost, improves its anti-mutation short-circuit capacity, promotes production capacity and has become as people's urgent problem to be solved.
The content of the invention
The purpose of this utility model is:A kind of folding stereo open core resin casting dry-type transformer is provided, is realized
Producing a kind of transformer of capacity only needs a kind of purpose of width silicon steel band, and ensure that the same of iron space factor
When.Make that transformer manufacture craft is simple, convenient for production, at low cost, coil can be set with, can repair, noise is small, has 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:A kind of folding stereo open core resin
Casting dry type transformer, including the identical single frame collapsible formula iron core of three shapes, the upper end of the collapsible open core of single frame
For upper yoke, lower end is lower yoke, and the center section of upper and lower iron yoke is stem, by three single frame collapsible formula iron cores with center
The section of the stem formed after the angle splicing that 120 ° of angle is in approximate equilateral hexagon, and the collapsible open core is equipped with and opens
Mouth region, opening zone position be respectively arranged at the both ends of collapsible iron on the yoke, both sides bending inclined-plane on, both sides stem it is upper
End, for the outer sheath of stem equipped with low pressure resin molded coil, low pressure resin molded coil outer sheath is equipped with high-pressure resin teeming line
Circle, the low pressure resin molded coil and high-pressure resin molded coil are in hexagon core structure.Three single frame open cores
It is placed on the pedestal of lower clamping piece welding, upper clamping piece is connected with lower clamping piece by clamping screw, and upper cushion block and lower cushion block support
With compression high-voltage coil and low-voltage coil, the lower platen is fixedly connected by supporting rod with the pedestal being fixed on lower clamping piece, upper and lower pressing plate
Coordinate with clamping screw, top board is located at the space on iron core top, and lower platen is located in the lower space of iron core, iron core upper end
Iron yoke 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 on lower platen and lower folder
On pedestal between part, the high-tension coil and low-voltage coil are sleeved in collapsible core mandrel, and upper and lower folder clamps high pressure
Coil 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 respectively arranged with pad
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, which is fixed, to be connected
It is connected on channel steel, cooling blower is fixedly installed respectively on the outside of pedestal.
It is preferred that the collapsible dual openings core mandrel section is approximate equilateral hexagon.
Further preferably, the low pressure resin molded coil is epoxy resin casting coil, is hexagon core structure.
Further preferably, the high-pressure resin molded coil is epoxy resin casting coil, is hexagon core structure.
Further preferably, the low pressure resin molded coil is epoxy resin casting coil, for circular core structure.
Further preferably, the high-pressure resin molded coil is epoxy resin casting coil, for circular core structure.
The beneficial effects of the utility model are.
1st, since collapsible open core section is using approximate equilateral hexagon structure, realize with a kind of width silicon strip
Material just can produce a kind of effect of the transformer of capacity specifications.
2nd, use existing circular high and low pressure coil instead hexagon core structure, be allowed to and equilateral hexagon structure iron core
Perfect fusion, improves iron space factor, improves the performance level of integrated transformers.
3rd, since core section is using approximate equilateral hexagon structure, the utilization rate of silicon steel material is 100%.
4th, the single frame iron core that the folding stereo dual openings iron core dry-type transformer uses is by opening at the one of existing iron core
Opening at three is increased to, and increased opening portion is outside coil, hence it is evident that as it can be seen that facilitating the inserting of iron core, improve
Iron core inserting efficiency, reduces artificial production cost, increases the iron core after opening by the way that aperture position is disperseed, cuts vibrations
Subtract, make moderate progress to noise, further improve the anti-sudden short circuit ability of iron core.
5th, the aperture position of 3 open regions of iron core is respectively positioned on the cylindrical space upwardly extended along transformer core stem
It is interior, it is convenient to the suit of coil so that coil will not be by during being sleeved on from top to bottom on the outside of transformer core stem
It blocks.
6th, since a kind of transformer of capacity specifications just can be produced with a kind of width silicon steel band, so as to simplify production work
Skill reduces the deposit of raw material, reduces production cost, is suitble to enterprise's mass production.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model.
Fig. 2 is the dimensional structure diagram of the utility model folder.
Fig. 3 is the three-dimensional view of the utility model iron core.
Fig. 4 is the utility model core section view.
Fig. 5 is 135 ° of bending angle bar core plan views of the utility model.
Fig. 6 is 150 ° of bending angle bar core plan views of the utility model.
Fig. 7 is that the utility model low-voltage coil is hexagon three-dimensional view.
Fig. 8 is that the utility model high-tension coil is hexagon three-dimensional view.
Fig. 9 is that the utility model low-voltage coil is circular three-dimensional view.
Figure 10 is that the utility model high-tension coil is circular three-dimensional view.
Specific embodiment
The specific implementation of the utility model is further explained below in conjunction with the accompanying drawings, but the not limitation present invention.
As shown in Figure 1, there is shown, a kind of folding stereo open core resin casting dry-type transformer, including coil, folder and folding
Stacked open core, as shown in Figure 1 and Figure 2, each phase coil are made of high-tension coil 2 and low-voltage coil 3.The high-voltage line
Circle 2 and low-voltage coil 3 are sleeved in collapsible core mandrel, folder from top to bottom 4,5 high tension lead circles 2 and low-voltage coil 3, high
Crimping circle 2 is respectively arranged with upper cushion block 9 lower end lower cushion block 10 corresponding with high and low pressure coil, lower folder with the both ends of low-voltage coil 3
Part 5 and lower platen 62 support lower cushion block 10, and upper clamping piece 4 and top board 61 compress upper cushion block 9.Three of the high-tension coil 2 connect
Four wire connection terminals 31,32,33,34 of line terminals 21,22,23 and low-voltage coil 3 arrange the opposite side for being located at transformer respectively
Upper clamping piece 4 mounting bracket 11 on, as shown in Fig. 2, the folder include upper clamping piece 4, lower clamping piece 5, top board 61, lower platen 62
With clamping screw 7, lower platen 62 is fixedly connected by supporting rod with the pedestal 63 being fixed on lower clamping piece 5, upper and lower pressing plate 61,
62 clamping screws 7 coordinate, and 51 be the position for supporting lower cushion block 10, and 41 be the position for compressing upper cushion block, the iron yoke and pedestal 63
Between be provided with damping device, the damping device is an elastic insulated pad.As shown in figure 3, the collapsible iron core 1 include by
The identical collapsible single frame open core 8 of three shapes is assembled, and the upper end of single frame open core is upper yoke 82, under lower end is
Yoke 83, the center section of upper and lower iron yoke is stem 81, and 81 section of single frame iron core is in approximate antiparallelogram, by two adjacent lists
It is in approximate equilateral hexagon that 84 section of core mandrel is formed after the splicing of 81 stem of frame, as shown in figure 4, the single frame open core core
Column 81 is to combine stack by wide material strip 811 and broken line material strip 812 to form.As shown in figure 5, the open core area is set respectively
The upper end C of B, both sides stem on the both sides inclined-plane of ends A, bending in iron on the yoke, as shown in figure 5, the single frame is collapsible
Open core is square shape iron core or as shown in fig. 6, the square shape at 12 150 ° of bending angles with eight 135 ° of bending angles
Iron core.As shown in Fig. 7, Fig. 9, the resin-cast low-voltage coil 3 is using hexagon core structure or circular core structure.Such as figure
8th, shown in Figure 10, the resin-poured high-voltage coil 2 is using hexagon core structure or circular core structure.
Wherein, section is in that the stem of approximate equilateral hexagon can be realized by following method：Make every group of silicon steel sheet material strip
The section of the stem of the collapsible open core of single frame after stack is in approximate isosceles trapezoid, wherein, the upper bottom edge of isosceles trapezoid
Length is the half of bottom edge lengths, after the collapsible open core assembly of three groups of single frames, the collapsible opening of two adjacent groups single frame
The stem of iron core can be spliced into approximate equilateral hexagon.
" a kind of section six provided as the improvement of technical solution, the patent No. 2015209861307 applied using me
The three angle transformer open core of folding stereo of side shape ", it is characterised in that：The collapsible open core section is using approximate
Equilateral hexagon structure, corresponding high and low pressure coil use resin-cast hexagon core structure coil.Improve iron core
Fill factor solves transformer core and longitudinal direction loosening, lateral rotation, shifting is generated under the action of powerful electromagnetic field with coil
The problems such as position deforms, improves anti-sudden short circuit ability, meanwhile, the iron core of hexagon and hexagonal coil more conveniently support
Real, clamping, convenient for fixation, substantially increases the mechanical strength of transformer body, improves the folding stereo open core tree
The total quality of fat casting dry type transformer.
As the improvement of technical solution, eight 135 ° or 12 are respectively arranged on the collapsible open core of every single frame
The square shape iron core at 150 ° of bending angles.
As the improvement of technical solution, 3 open regions are respectively arranged on the collapsible open core of every single frame, it is described to open
Mouth region position be respectively arranged at the both ends of iron on the yoke, both sides bending inclined-plane on, the upper end of both sides stem.The dry-type transformer
Opening at the one of existing iron core is increased to opening at three by the single frame iron core of use, and increased opening portion is exposed to coil
Outside, hence it is evident that as it can be seen that facilitating the inserting of iron core, improve iron core inserting efficiency, artificial production cost is reduced, after increasing opening
Iron core cuts down vibrations, makes moderate progress to noise, further improve the anti-sudden short circuit of iron core by the way that aperture position is disperseed
Ability, meanwhile, the aperture position of 3 open regions of iron core is respectively positioned on the cylindrical space upwardly extended along transformer core stem
It is interior, it is convenient to the suit of coil so that coil will not be by during being sleeved on from top to bottom on the outside of transformer core stem
It blocks.
Specific embodiment of the present utility model is write according to progressive mode, highlights each embodiment party
The difference of case, similar portion can be with cross-reference.
The embodiment of the utility model is elaborated above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment within the knowledge of a person skilled in the art, can also not depart from the utility model
Various changes can be made on the premise of objective.
Claims (5)
1. a kind of folding stereo open core resin casting dry-type transformer, including collapsible open core, resin-cast line
Circle, folder part, the collapsible open core, including being in isosceles trapezoid by three independences and size structure all same section
The collapsible open core of single frame with the assembled three-dimensional open core of the angle of 120 ° of central angle, it is assembled after collapsible opening iron
The section of core stem is in approximate equilateral hexagon, and the opening zone position of iron core is separately positioned on the both ends of iron on the yoke, both sides folding
On curved inclined-plane, the upper end of both sides stem；The outer sheath of the stem is equipped with low pressure resin molded coil, low pressure resin teeming line
Outer sheath is enclosed equipped with high-pressure resin molded coil, the low pressure resin molded coil and high-pressure resin molded coil are in hexagon
Core structure；The folder part includes upper clamping piece, lower clamping piece, top board, lower platen and clamping screw, and lower platen passes through support
Bar is fixedly connected with the pedestal being fixed on lower clamping piece, and upper and lower pressing plate coordinates with clamping screw, and top board is located at iron core top
Space, lower platen are located in the lower space of iron core；The iron yoke of iron core upper end is arranged on the one of top board a side and upper clamping piece
Between folder side, the iron yoke of iron core lower end is arranged on the pedestal between lower platen and lower clamping piece, upper and lower folder high tension lead
The both ends of circle and low-voltage coil, high-tension coil and low-voltage coil are respectively arranged with cushion block and lower cushion block, lower clamping piece and lower platen
Lower cushion block is supported, upper clamping piece and top board compress upper cushion block.
2. a kind of folding stereo open core resin casting dry-type transformer according to claim 1, it is characterised in that:
The collapsible open core of single frame is the mouth of square shape iron core or 12 150 ° of bending angles with eight 135 ° of bending angles
Font iron core.
3. a kind of folding stereo open core resin casting dry-type transformer according to claim 1, it is characterised in that:
The resin-cast low-voltage coil (3) is in hexagon core structure or rounded core structure.
4. a kind of folding stereo open core resin casting dry-type transformer according to claim 1, it is characterised in that:
The resin-poured high-voltage coil (2) is in hexagon core structure or rounded core structure.
5. a kind of folding stereo open core resin casting dry-type transformer according to any one of claim 1 to 4,
It is characterized in that:Collapsible open core is equipped with 3 open regions, and opening zone position is respectively arranged at collapsible iron on the yoke
Ends A, both sides bending inclined-plane on B, the upper end C of both sides stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997378.2U CN207441428U (en) | 2017-08-10 | 2017-08-10 | A kind of folding stereo open core resin casting dry-type transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997378.2U CN207441428U (en) | 2017-08-10 | 2017-08-10 | A kind of folding stereo open core resin casting dry-type transformer |
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| CN207441428U true CN207441428U (en) | 2018-06-01 |
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| CN201720997378.2U Active CN207441428U (en) | 2017-08-10 | 2017-08-10 | A kind of folding stereo open core resin casting dry-type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293392A (en) * | 2017-08-10 | 2017-10-24 | 齐会南 | A kind of folding stereo open core resin casting dry-type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293392A (en) * | 2017-08-10 | 2017-10-24 | 齐会南 | A kind of folding stereo open core resin casting dry-type transformer |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210526 Address after: 110027 No. twenty-six South Road No. twenty-six, Shenyang economic and Technological Development Zone, Shenyang, Liaoning Patentee after: SHENYANG JIAHENG ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Address before: 110014 room 2-31-1, 3 building, 21-6 art road, Shenhe District, Shenyang, Liaoning. Patentee before: Qi Huinan |