CN209000709U - A kind of photovoltaic transformer - Google Patents
A kind of photovoltaic transformer Download PDFInfo
- Publication number
- CN209000709U CN209000709U CN201821666419.0U CN201821666419U CN209000709U CN 209000709 U CN209000709 U CN 209000709U CN 201821666419 U CN201821666419 U CN 201821666419U CN 209000709 U CN209000709 U CN 209000709U
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- Prior art keywords
- foil
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- winding
- high pressure
- voltage
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- 239000011888 foil Substances 0.000 claims abstract description 99
- 238000004804 winding Methods 0.000 claims abstract description 82
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011324 bead Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 229920006267 polyester film Polymers 0.000 claims description 6
- 239000005030 aluminium foil Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 239000004760 aramid Substances 0.000 description 6
- 229920003235 aromatic polyamide Polymers 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Insulating Of Coils (AREA)
Abstract
It includes iron core, low-voltage foil type winding, high pressure Foil winding, upper clamping piece, lower clamping piece and support frame that the utility model, which discloses a kind of photovoltaic transformer, low-voltage foil type winding Wound core is arranged and more parting beads is arranged between low-voltage foil type winding and iron core, high pressure Foil winding winding low-voltage foil type winding is arranged and is provided with insulating layer between high pressure Foil winding and low-voltage foil type winding, is coated with cast bed of material on the outside of high pressure Foil winding.The technical solution of the utility model coil windings conventional using Foil winding substitution, can be improved production efficiency, reduce cost；Meanwhile parting bead is set between iron core and low-voltage foil type winding to form longitudinal air duct, conducive to the heat dissipation of photovoltaic transformer, improve the reliability of equipment work.
Description
Technical field
The utility model relates to technical field of electric equipment, and in particular, to a kind of photovoltaic transformer.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary
Grade coil and iron core.In electrical equipment and radio-circuit, it is commonly used for buck/boost, matching impedance, security isolation etc..Transformer
Function mainly have: voltage transformation, impedance transformation, isolation, pressure stabilizing, auto-transformer, high-tension transformer etc..Photovoltaic is solar energy
The abbreviation of photovoltaic generating system, photovoltaic power generation are to generate volta effect using the light of interface and luminous energy is changed into electric energy
A kind of technology, photovoltaic generating system has independent operating and is incorporated into the power networks two ways.The electric energy that photovoltaic power generation generates is by inverse
After change device is converted into low tension, it usually needs be transferred to user after photovoltaic transformer is boosted.Currently, existing photovoltaic transformation
Device mostly uses greatly conducting wire as winding, generates heat in the transmission occasion of low-voltage, high-current serious, and higher cost.
Utility model content
The main purpose of the utility model is to provide a kind of photovoltaic transformer, it is intended to solve calorific value in the prior art it is big,
Problem at high cost.
To achieve the above object, the utility model proposes photovoltaic transformer include: iron core, low-voltage foil type winding, high pressure
Foil winding, upper clamping piece, lower clamping piece and support frame, the low-voltage foil type winding wind the iron core setting and the low-voltage foil
More parting beads are set between formula winding and the iron core, the high pressure Foil winding wind the low-voltage foil type winding setting and
Insulating layer, the outside cladding of the high pressure Foil winding are provided between the high pressure Foil winding and the low-voltage foil type winding
There is cast bed of material, the upper clamping piece is set to above the iron core, and the lower clamping piece is set to below the iron core, the lower folder
The bottom of part is provided with support frame.
Preferably, the high pressure Foil winding includes row, high pressure outlet and high pressure layers of foil in high pressure, in the high pressure row and
The high pressure outlet is set to the top of the high pressure layers of foil.
Preferably, the low-voltage foil type winding includes row, low pressure outlet and low pressure layers of foil in low pressure, in the low pressure row and
The low pressure outlet is set to the top of the low pressure layers of foil.
Preferably, the high pressure layers of foil and the low pressure layers of foil are that aluminium foil coiling forms.
Preferably, the high pressure layers of foil and the low pressure layers of foil are that copper foil coiling forms.
Preferably, the insulating layer includes nonwoven layer and high temperature resistance polyester film layer, the nonwoven layer and high temperature resistant
It is connected between laminated polyester film by adhesive.
Preferably, the nonwoven layer includes that aramid fibrid, aramid pulp and aromatic polyamides are short
Fiber.
Preferably, the nonwoven layer with a thickness of 0.1~0.2mm.
In technical solutions of the utility model, photovoltaic transformer include iron core, low-voltage foil type winding, high pressure Foil winding, on
Folder, lower clamping piece and support frame, low-voltage foil type winding Wound core are arranged and more are arranged between low-voltage foil type winding and iron core
Parting bead, high pressure Foil winding winding low-voltage foil type winding are arranged and are provided between high pressure Foil winding and low-voltage foil type winding
Insulating layer is coated with cast bed of material on the outside of high pressure Foil winding.By above-mentioned design, the line conventional using Foil winding substitution
Winding is enclosed, production efficiency is can be improved, reduces cost；Meanwhile parting bead is set between iron core and low-voltage foil type winding to be formed
The reliability of equipment work is improved conducive to the heat dissipation of photovoltaic transformer in longitudinal air duct.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model dry-type transformer；
Fig. 2 is the sectional view of the utility model dry-type transformer part；
Fig. 3 is the sectional view of the utility model dry-type transformer high pressure Foil winding.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
Fig. 1 to Fig. 3 is please referred to, in an embodiment of the utility model, photovoltaic transformer includes: iron core 10, low-voltage foil type
Winding 20, high pressure Foil winding 30, upper clamping piece 40, lower clamping piece 50 and support frame 60,20 Wound core 10 of low-voltage foil type winding are set
More parting beads 70 are set and are arranged between low-voltage foil type winding 20 and iron core 10, high pressure Foil winding 30 winds low-voltage foil type winding
20 settings and be provided with insulating layer 80 between high pressure Foil winding 30 and low-voltage foil type winding 20, high pressure Foil winding 30 it is outer
Side is coated with cast bed of material 90, and upper clamping piece 40 is set to 10 top of iron core, and lower clamping piece 50 is set to 10 lower section of iron core, lower clamping piece 50
Bottom be provided with support frame 60.
Specifically, more parting beads 70 are set between the low-voltage foil type winding 20 in the present embodiment and iron core 10, it is vertical to be formed
The air duct passed through is conducive to air and flows in the air duct, radiates to low-voltage foil type winding 20 and iron core 10.In addition, in height
It is provided with insulating layer 80 between pressure Foil winding 30 and low-voltage foil type winding 20, which there can be raising high and low pressure
Insulating capacity between winding improves the functional reliability of photovoltaic transformer.It is also wrapped in the outside of high pressure Foil winding 30
Cast bed of material 90 can be used poured with epoxy resin and form, for forming insulation and protection, the cast bed of material 90 to entire winding
There is higher craftsmanship and cost is more cheap.In addition, photovoltaic transformer provided in this embodiment can be by electric energy after photovoltaic power generation
Directly for users to use, it is not required to be depressurized to user's use again by being raised to high-tension line.
In conclusion photovoltaic transformer provided in this embodiment include iron core 10, low-voltage foil type winding 20, high pressure foil around
Group 30, upper clamping piece 40, lower clamping piece 50 and support frame 60, the setting of 20 Wound core 10 of low-voltage foil type winding and low-voltage foil type winding
More parting beads 70 are set between 20 and iron core 10, and high pressure Foil winding 30 winds the setting of low-voltage foil type winding 20 and high pressure foil
Insulating layer 80 is provided between winding 30 and low-voltage foil type winding 20, the outside of high pressure Foil winding 30 is coated with cast bed of material
90.By above-mentioned design, the coil windings conventional using Foil winding substitution, can be improved production efficiency, reduce cost；Together
When, parting bead 70 is set between iron core 10 and low-voltage foil type winding 20 to form longitudinal air duct, conducive to the heat dissipation of photovoltaic transformer,
Improve the reliability of equipment work.
Specifically, as shown in figure 3, high pressure Foil winding 30 includes row 31, high pressure outlet 32 and high pressure layers of foil in high pressure
33, the interior row 31 of high pressure and high pressure outlet 322 are adopted between each layer of high pressure layers of foil 33 set on the top of high pressure layers of foil 33
It is dielectrically separated from Nomex insulating paper.
Specifically, low-voltage foil type winding 20 includes row, low pressure outlet and low pressure layers of foil in low pressure, in low pressure outside row and low pressure
Row is set to the top of low-voltage foil layer, the specific structure and 30 class of high pressure Foil winding of the low-voltage foil type winding 20 of the present embodiment
Seemingly, it will not repeat them here.
Specifically, the high pressure layers of foil in the present embodiment and low pressure layers of foil are that aluminium foil coiling forms, because aluminium foil is purchased
Cost reduces, thus can reduce production cost using aluminium foil winding under the occasion of less demanding to transformer performance.
As another preferred embodiment, high pressure layers of foil and low pressure layers of foil in the present embodiment can also be copper foil coiling and
At, be conducive in this way improve photovoltaic transformer electric property.
Specifically, insulating layer 80 includes that nonwoven layer and high temperature resistance polyester film layer, nonwoven layer are thin with high temperature resistance polyester
It is connected between film layer by adhesive.Due to the dielectricity of adhesive and laminated polyester film, make jointly insulating layer 80 reach compared with
Good insulation effect.Meanwhile nonwoven layer includes aramid fibrid, aramid pulp and the short fibre of aromatic polyamides
Dimension can make insulating layer 80 have preferable tearing strength and tensile strength and preferable insulation performance.In the whole of transformer
Preferable electric property and mechanical performance can be kept during a service life.
In addition, the nonwoven layer thickness in the present embodiment is 0.1~0.2mm, energy as a preferred method,
Enough guarantee insulation performance and mechanical performance, while more saving material, reducing construction weight and cost.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (7)
1. a kind of photovoltaic transformer characterized by comprising iron core, low-voltage foil type winding, high pressure Foil winding, upper clamping piece, under
Folder and support frame, the low-voltage foil type winding wind the iron core setting and the low-voltage foil type winding and the iron core it
Between more parting beads are set, the high pressure Foil winding wind the low-voltage foil type winding setting and the high pressure Foil winding with
Be provided with insulating layer between the low-voltage foil type winding, be coated with cast bed of material on the outside of the high pressure Foil winding, it is described on
Folder is set to above the iron core, and the lower clamping piece is set to below the iron core, and the bottom of the lower clamping piece is provided with branch
Support.
2. photovoltaic transformer as described in claim 1, which is characterized in that the high pressure Foil winding includes row in high pressure, height
Outlet and high pressure layers of foil are pressed, row and the high pressure outlet are set to the top of the high pressure layers of foil in the high pressure.
3. photovoltaic transformer as claimed in claim 2, which is characterized in that the low-voltage foil type winding includes arranging in low pressure, being low
Outlet and low pressure layers of foil are pressed, row and the low pressure outlet are set to the top of the low pressure layers of foil in the low pressure.
4. photovoltaic transformer as claimed in claim 3, which is characterized in that the high pressure layers of foil and the low pressure layers of foil are aluminium
Foil coiling forms.
5. photovoltaic transformer as claimed in claim 3, which is characterized in that the high pressure layers of foil and the low pressure layers of foil are copper
Foil coiling forms.
6. photovoltaic transformer as described in any one in claim 1-5, which is characterized in that the insulating layer include nonwoven layer and
High temperature resistance polyester film layer is connected between the nonwoven layer and high temperature resistance polyester film layer by adhesive.
7. photovoltaic transformer as claimed in claim 6, which is characterized in that the nonwoven layer with a thickness of 0.1~0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821666419.0U CN209000709U (en) | 2018-10-15 | 2018-10-15 | A kind of photovoltaic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821666419.0U CN209000709U (en) | 2018-10-15 | 2018-10-15 | A kind of photovoltaic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000709U true CN209000709U (en) | 2019-06-18 |
Family
ID=66802682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821666419.0U Active CN209000709U (en) | 2018-10-15 | 2018-10-15 | A kind of photovoltaic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000709U (en) |
-
2018
- 2018-10-15 CN CN201821666419.0U patent/CN209000709U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee after: Huaxiang XiangNeng Technology Co.,Ltd. Address before: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee before: HXXN ELECTRICITY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A photovoltaic transformer Effective date of registration: 20231106 Granted publication date: 20190618 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |