CN219163125U - Inductance box, photovoltaic inverter inductance assembly and photovoltaic inverter - Google Patents
Inductance box, photovoltaic inverter inductance assembly and photovoltaic inverter Download PDFInfo
- Publication number
- CN219163125U CN219163125U CN202320061478.XU CN202320061478U CN219163125U CN 219163125 U CN219163125 U CN 219163125U CN 202320061478 U CN202320061478 U CN 202320061478U CN 219163125 U CN219163125 U CN 219163125U
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- Prior art keywords
- inductance
- inductor
- photovoltaic inverter
- box according
- groove
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- 238000000926 separation method Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003292 glue Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses an inductance box, a photovoltaic inverter inductance assembly and a photovoltaic inverter, wherein the inductance box comprises an inductance box body (1), an inductance groove (2) is arranged in the inductance box body (1), and an inductance fixing piece (4) used for being clamped between two adjacent coils of an integrated inductor (3) is arranged in the inductance groove (2). The utility model has the characteristics of effectively improving the heat conduction effect and being convenient for installing and fixing the inductor.
Description
Technical Field
The utility model relates to a photovoltaic inverter component, in particular to an inductance box, a photovoltaic inverter inductance assembly and a photovoltaic inverter.
Background
The inductance in the photovoltaic inverter is mainly placed in the inductance groove of the inductance box body in a glue filling mode, and heat generated during the operation of the inductance is led out to the external environment through glue and the inductance housing.
However, the inductance slots in the existing inductance box have the following problems when placing the inductance: 1) Because the inductance is circular arc shape, the inductance groove is square, the middle gap is larger, and the heat conductivity coefficient of the heat conducting glue is lower, so that the inductance temperature is higher. 2) The inductance groove is mainly supported by die casting or stretching aluminum, the shell is generally smooth due to the technical reasons, the viscosity of glue is insufficient, the inductance is easy to separate from the groove, the current solution is to increase the glue coating of the bottom layer or increase the grooves on the side edges, and the processing technology is complex. 3) The inductance and the inductance groove need to keep a certain safety distance, and manual control of the distance is difficult. Therefore, the prior art has the problems of poor heat conduction effect and difficult installation and fixation of the inductor.
Disclosure of Invention
The utility model aims to provide an inductance box, a photovoltaic inverter inductance assembly and a photovoltaic inverter. The utility model has the characteristics of effectively improving the heat conduction effect and being convenient for installing and fixing the inductor.
The technical scheme of the utility model is as follows: the utility model provides an inductance box, includes the inductance box body, is equipped with the inductance groove in the inductance box body, be equipped with in the inductance groove and be used for the card to establish the inductance mounting between two adjacent coils of integrated inductance.
In one of the foregoing inductor cases, the number of the inductor fixing members is plural, and the plural inductor fixing members are arranged horizontally and/or vertically at fixed intervals.
In the aforementioned inductor box, the inductor fixing member includes a base and a separation sheet, and two sides of the base are provided with bonding surfaces with shapes matched with the coil of the integrated inductor; the separation sheet is positioned above the base.
In the aforementioned inductor box, the bonding surface has a quarter circular arc structure.
In the above-mentioned inductor box, an inductor pressing piece is arranged above the inductor fixing piece and is used for pressing and fixing the inductor pressing piece above two adjacent coils of the integrated inductor.
In the aforementioned inductor box, the inductor pressing piece is connected with the inductor fixing piece through a detachable connection structure; the detachable connection structure is a screw connection structure or a buckle connection structure.
In one embodiment of the foregoing disclosure, the inductor pressing piece is an elastic pressing piece.
In the aforementioned inductor box, the inductor pressing piece includes a pressing piece body, and two ends of the pressing piece body are provided with inclined pieces folded toward the inner side of the inductor slot.
In the above-mentioned inductor box, an arc concave surface is provided on the lower surface of the inclined plate.
The utility model provides a photovoltaic inverter inductance subassembly, includes foretell inductance box, be provided with integrated inductance in the inductance groove of inductance box, two adjacent coils of integrated inductance are located the inductance mounting both sides respectively.
A photovoltaic inverter comprising the photovoltaic inverter inductance assembly described above.
Compared with the prior art, the inductor is attached to the shell more conveniently by adding the inductor fixing piece matched with the inductor in the inductor groove under the condition of not increasing cost; the positioning can also be provided for the inductor, so that the safety distance is prevented from being inconsistent, the inductor is convenient to install in practice, the positioning column or the clamping position is not required to be installed in advance, and the inductor is fixed firmly.
In addition, the utility model can cancel the processing of the side wall groove of the inductance box through the elastic pressing sheet, and meanwhile, the continuous elastic force can not separate the shell from the heat-conducting glue, so that the inductance and the inductance shell can be firmly fixed; meanwhile, an initial pressure is applied to the elastic pressing sheet so as to offset the separation of the glue and the inductance box caused by thermal expansion and cold contraction, and therefore the heat conduction effect can be further improved. By adopting the structure, on one hand, the inductor can be attached to the shell through the inductor fixing piece, so that heat dissipation is facilitated; on the other hand, can also prevent the separation between glue and the inductance box that causes because of expend with heat and contract with cold through the elasticity preforming, further improve the heat conduction effect to the experiment confirms can effectively reduce inductance temperature.
In conclusion, the utility model has the characteristics of effectively improving the heat conduction effect and facilitating the installation and fixation of the inductor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
fig. 3 is a structural view of an inductor box;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a structural view of an inductor tile.
The marks in the drawings are: the inductor comprises a 1-inductor box body, a 2-inductor groove, a 3-inductor, a 4-inductor fixing piece, a 5-inductor pressing piece, a 6-screw, a 501-pressing piece body, a 502-inclined piece, a 503-through hole, a 401-base, a 402-bonding surface, a 403-separating piece and a 404-vertical stud.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Example 1. An inductor box is shown in fig. 1-5, and comprises an inductor box body 1, wherein an inductor groove 2 is arranged in the inductor box body 1, and an inductor fixing piece 4 used for being clamped between two adjacent coils of an integrated inductor 3 is arranged in the inductor groove 2.
Through increase with inductance shape matched with inductance mounting in the inductance inslot, can make the inductance laminate the shell more on the one hand, also can provide the location for the inductance, prevent that the safety rule distance is inconsistent for the actual installation inductance is more convenient, does not need to install location post or screens in advance, and the inductance is fixed also firmly.
The number of the inductance fixtures 4 is plural, and the inductance fixtures 4 are arranged in the lateral direction and/or the longitudinal direction at fixed intervals.
The lateral arrangement means arrangement along the length direction of the inductance slot, and the longitudinal arrangement means arrangement along the width direction of the inductance slot.
Further, 5 inductance fixing pieces can be placed in the inductance groove side by side.
As shown in fig. 3 and 4, the inductance fixing piece 4 includes a base 401 and a separation sheet 403, and two sides of the base 401 are provided with bonding surfaces 402 with shapes matched with the coils of the integrated inductance 3; the separator 403 is located above the base 401.
The joint surface is of a quarter circular arc structure.
An inductance pressing piece 5 used for being pressed and fixed above two adjacent coils of the integrated inductance 3 is arranged above the inductance fixing piece 4.
The inductance pressing piece 5 is connected with the inductance fixing piece 4 through a detachable connecting structure.
The inductance pressing sheet 5 is an elastic pressing sheet.
As shown in fig. 5, the inductor pressing piece 5 includes a pressing piece body 501, and inclined pieces 502 folded toward the inner side of the inductor slot 2 are provided at both ends of the pressing piece body 501. The inclined piece is used for fixing the inductance coil. The lower surface of the inclined plate is provided with an arc concave surface.
The tablet body 501 is further provided with a through hole 503. The middle part on the base 401 is also provided with a vertical stud 404 for matching with the through hole.
The detachable connection structure is a screw connection structure, as shown in fig. 1, and the inductance pressing piece 5 and the inductance fixing piece 4 are connected and fixed through a screw 6.
The utility model provides a photovoltaic inverter inductance subassembly, includes the inductance box, be provided with integrated inductance 3 in inductance groove 2 of inductance box, two adjacent coils of integrated inductance 3 are located inductance mounting 4 both sides respectively.
A photovoltaic inverter comprises the photovoltaic inverter inductance component.
The number of the coils of the integrated inductor can be 2, or 3, or more.
Preferably, the material of the inductance pressing sheet is plastic, and can be changed into an epoxy board.
The placement process of the integrated inductor comprises the following steps: two adjacent coils of integrated inductance are placed on the inductance mounting in the inductance groove, and laminating face, separation sheet on the inductance mounting are fixed, laminating each other with the coil of integrated inductance, realize the location and the fixed to the inductance, then fix the inductance preforming in the top of inductance through the screw, and the screw is fixed with the double-screw bolt connection, realizes the installation of integrated inductance, and whole mounting process convenient and fast, and the installation accuracy is also high, and the follow-up phenomenon that the inductance breaks away from the off-normal can not take place.
Example 2. The utility model provides an inductance box, includes inductance box body 1, is equipped with inductance groove 2 in the inductance box body 1, be equipped with in the inductance groove 2 and be used for the card to establish the inductance mounting 4 between the adjacent two coils of integrated inductance 3.
The number of the inductance fixtures 4 is plural, and the inductance fixtures 4 are arranged in the lateral direction and/or the longitudinal direction at fixed intervals.
The lateral arrangement means arrangement along the length direction of the inductance slot, and the longitudinal arrangement means arrangement along the width direction of the inductance slot.
The inductance fixing piece 4 comprises a base 401 and a separation sheet 403, and two sides of the base 401 are provided with bonding surfaces 402 with the shapes matched with those of the coils of the integrated inductance 3; the separator 403 is located above the base 401.
The joint surface is of a quarter circular arc structure.
An inductance pressing piece 5 used for being pressed and fixed above two adjacent coils of the integrated inductance 3 is arranged above the inductance fixing piece 4.
The inductance pressing piece 5 comprises a pressing piece body 501, and inclined pieces 502 which are folded towards the inner side of the inductance groove 2 are arranged at two ends of the pressing piece body 501. The inclined piece is used for fixing the inductance coil. The lower surface of the inclined plate is provided with an arc concave surface.
The inductance pressing piece 5 is connected with the inductance fixing piece 4 through a detachable connecting structure.
The detachable connection structure is a buckle connection structure.
The back of the inductance pressing piece is provided with a buckle, and the separation sheet of the inductance fixing piece is provided with a clamping groove matched with the buckle.
Preferably, the material of the inductance pressing sheet is plastic, and can be changed into an epoxy board.
The number of the coils of the integrated inductor can be 2, or 3, or more.
The placement process of the integrated inductor comprises the following steps: the adjacent two coils of the integrated inductor are placed on the inductor fixing piece in the inductor groove, the joint surface on the inductor fixing piece, the separating sheet and the coils of the inductor are mutually fixed and jointed, the positioning and fixing of the inductor are realized, then the inductor pressing sheet is fixed above the inductor through the matching of the clamping buckle and the clamping groove, and the inductor pressing sheet is fixedly connected with the separating sheet, so that the installation of the integrated inductor is realized.
Claims (11)
1. The utility model provides an inductance box, includes inductance box body (1), is equipped with inductance groove (2), its characterized in that in inductance box body (1): an inductance fixing piece (4) used for being clamped between two adjacent coils of the integrated inductor (3) is arranged in the inductance groove (2).
2. An inductor box according to claim 1, characterized in that: the number of the inductance fixing pieces (4) is a plurality, and the inductance fixing pieces (4) are transversely and/or longitudinally arranged at fixed intervals.
3. An inductor box according to claim 1 or 2, characterized in that: the inductance fixing piece (4) comprises a base (401) and a separation sheet (403), wherein two sides of the base (401) are provided with bonding surfaces (402) with shapes matched with those of coils of the integrated inductance (3); the separation sheet (403) is positioned above the base (401).
4. An inductor box according to claim 3, wherein: the bonding surface (402) is of a quarter circular arc structure.
5. An inductor box according to claim 1 or 2, characterized in that: an inductance pressing sheet (5) used for being pressed and fixed above two adjacent coils of the integrated inductor (3) is arranged above the inductance fixing piece (4).
6. An inductor box according to claim 5, wherein: the inductance pressing piece (5) is connected with the inductance fixing piece (4) through a detachable connecting structure; the detachable connection structure is a screw connection structure or a buckle connection structure.
7. An inductor box according to claim 5, wherein: the inductance pressing sheet (5) is an elastic pressing sheet.
8. An inductor box according to claim 7, wherein: the inductance pressing piece (5) comprises a pressing piece body (501), and inclined pieces (502) folded towards the inner side of the inductance groove (2) are arranged at two ends of the pressing piece body (501).
9. An inductor box according to claim 8, wherein: the lower surface of the inclined plate (502) is provided with an arc concave surface.
10. The utility model provides a photovoltaic inverter inductance subassembly which characterized in that: the inductor box comprises the inductor box according to any one of claims 1-9, wherein an integrated inductor (3) is arranged in an inductor groove (2) of the inductor box, and two adjacent coils of the integrated inductor (3) are respectively positioned on two sides of an inductor fixing piece (4).
11. A photovoltaic inverter, characterized by: a photovoltaic inverter inductance assembly comprising the photovoltaic inverter of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061478.XU CN219163125U (en) | 2023-01-09 | 2023-01-09 | Inductance box, photovoltaic inverter inductance assembly and photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061478.XU CN219163125U (en) | 2023-01-09 | 2023-01-09 | Inductance box, photovoltaic inverter inductance assembly and photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219163125U true CN219163125U (en) | 2023-06-09 |
Family
ID=86645045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320061478.XU Active CN219163125U (en) | 2023-01-09 | 2023-01-09 | Inductance box, photovoltaic inverter inductance assembly and photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219163125U (en) |
-
2023
- 2023-01-09 CN CN202320061478.XU patent/CN219163125U/en active Active
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| GR01 | Patent grant |