CN221948055U - Photovoltaic energy storage inverter and photovoltaic energy storage system - Google Patents
Photovoltaic energy storage inverter and photovoltaic energy storage system Download PDFInfo
- Publication number
- CN221948055U CN221948055U CN202323598222.1U CN202323598222U CN221948055U CN 221948055 U CN221948055 U CN 221948055U CN 202323598222 U CN202323598222 U CN 202323598222U CN 221948055 U CN221948055 U CN 221948055U
- Authority
- CN
- China
- Prior art keywords
- energy storage
- inductor
- photovoltaic energy
- photovoltaic
- inverter
- 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.)
- Active
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 62
- 239000010410 layer Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 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
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model discloses a photovoltaic energy storage inverter and a photovoltaic energy storage system, and relates to the field of photovoltaic energy storage. The photovoltaic energy storage inverter comprises a box body, a radiator, a photovoltaic inductor and an inversion inductor box, wherein the radiator and the inversion inductor box are arranged outside the box body, the photovoltaic inductor is arranged inside the box body, and the photovoltaic inductor is in thermal contact with the radiator. The photovoltaic energy storage inverter can have smaller volume, and in addition, the photovoltaic inductor and the inductor in the inversion inductor box are separately arranged, and the photovoltaic inductor is in thermal contact with the radiator, so that the heat dissipation performance of the whole photovoltaic energy storage inverter is more uniform and effective.
Description
Technical Field
The utility model relates to the field of photovoltaic energy storage, in particular to a photovoltaic energy storage inverter and a photovoltaic energy storage system.
Background
With the increasing development of new energy sources in countries around the world, photovoltaic power generation technology is becoming more and more important and popular. The photovoltaic energy storage inverter for converting direct-current electric energy generated by the photovoltaic module into alternating-current electric energy is one of key components of the whole photovoltaic power generation technology. In the related art, a forced air cooling design of a fan is generally adopted, and the design can ensure a heat dissipation effect, but can influence a dustproof and waterproof effect, and the photovoltaic energy storage inverter needs additional electric energy, is high in noise and high in cost. In recent years, there has also been a photovoltaic energy storage inverter utilizing natural heat dissipation, in which a case housing a PCB circuit board is connected to a heat sink, and an inverter inductance box housing an inductance is installed at the bottom end of the heat sink.
However, in order to achieve a better heat dissipation effect for the inverter with the above structure, the inverter inductor box is usually required to be made of molded aluminum, and when the power of the inverter is increased, the size and weight of the radiator are required to be increased, so that the cost of the inverter is increased sharply, meanwhile, the area of the internal PCB circuit board is increased due to the above structure, the space utilization rate is low, the production cost of the inverter is increased, the assembly time of the inverter is prolonged, and the production efficiency is reduced.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides a photovoltaic energy storage inverter and a photovoltaic energy storage system.
The utility model provides a Photovoltaic energy storage inverter, which comprises a box body, a radiator, a Photovoltaic (Photovoltaic) inductor (also called as a PV inductor) and an inversion inductor box, wherein the radiator and the inversion inductor box are arranged outside the box body and are respectively connected with the bottom of the box body; the photovoltaic inductor is disposed inside the housing and in thermal contact with the heat sink.
Optionally, the photovoltaic inductor is connected with the top of the heat sink.
Optionally, the radiator and the inverter inductance box are connected with the bottom of the box body side by side respectively.
Optionally, a PCB circuit board is disposed in the case.
Optionally, the PCB circuit board is a single layer circuit board.
Optionally, the PCB is a multilayer circuit board having a laminated structure.
Optionally, a plurality of side-by-side inductance slots are formed in the inverter inductance box, and each inductance slot accommodates an inductance, and the inductance is an inverter inductance or a battery inductance.
Optionally, the photovoltaic energy storage inverter further comprises an upper cover covering the top of the box.
Optionally, the photovoltaic energy storage inverter further comprises a waterproof strip.
Optionally, the waterproof strip is disposed between the case and the upper cover.
Optionally, the waterproof strip is disposed between the radiator and the case.
Optionally, the waterproof strip is disposed between the inverter inductance box and the case.
The photovoltaic energy storage system provided by the utility model comprises the photovoltaic energy storage inverter.
Based on the photovoltaic energy storage inverter provided by the utility model, the radiator and the inversion inductor box are arranged outside the box body, and the photovoltaic inductor is arranged inside the box body, so that the length of the inversion inductor box is shortened, the size of the radiator is reduced, and the volume of the whole photovoltaic energy storage inverter is further reduced; in addition, the photovoltaic inductor and the inductor in the inversion inductor box are separately arranged, and the photovoltaic inductor is in thermal contact with the radiator, so that the heat dissipation performance of the whole photovoltaic energy storage inverter is more uniform and effective.
Drawings
In order to more clearly illustrate the utility model, the drawings used in the description of the technical solution will be briefly described. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. In the drawings:
fig. 1 is a schematic perspective view of a photovoltaic energy storage inverter according to an embodiment of the present utility model;
FIG. 2 is a schematic exploded view of the photovoltaic energy storage inverter shown in FIG. 1;
FIG. 3 is a schematic left side view of the photovoltaic energy storage inverter shown in FIG. 1;
Fig. 4 is a schematic cross-sectional view of a photovoltaic energy storage inverter taken along arrow B in fig. 3;
Fig. 5 is a schematic perspective view of a PCB circuit board in the photovoltaic energy storage inverter shown in fig. 2, 4.
In the drawings:
1-an upper cover; 2-a box body; 3-a heat sink; 4-light Fu Diangan; 21-sidewalls; 22-connecting plates; 23,33,53 waterproof strips; 31-top plate; 32,51-heat-dissipating ribs; 54 to 57-inductance; 61,62-PCB board.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the following describes the photovoltaic energy storage inverter provided by the present utility model in detail with reference to the accompanying drawings.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present utility model and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "top", "bottom", "upper", "lower", "left", "right", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, herein, are used merely for distinguishing between descriptions and not necessarily for indicating or implying a relative importance or order.
In addition, it should be noted that the features of the embodiments and alternative implementations of the utility model may be combined with each other arbitrarily, unless otherwise indicated as conflicting.
In a first aspect, the present utility model provides a photovoltaic energy storage inverter.
The photovoltaic energy storage inverter provided by the embodiment of the utility model is described below with reference to fig. 1 to 5.
Fig. 1 to 4 are schematic perspective, exploded, left side and cross-sectional views, respectively, of a photovoltaic energy storage inverter according to one embodiment of the present utility model.
As shown in the figure, the photovoltaic energy storage inverter comprises a box body 2, a radiator 3, a photovoltaic inductor 4 and an inversion inductor box 5, wherein the radiator 3 and the inversion inductor box 5 are arranged outside the box body 2, and the radiator 3 and the inversion inductor box 5 are respectively connected with the bottom of the box body 2; the photovoltaic inductance 4 is arranged inside the housing 2, and the photovoltaic inductance 4 is in thermal contact with the heat sink 3.
According to the embodiment, not all the inductors of the photovoltaic energy storage inverter are arranged in the inverter inductor box 5, but the photovoltaic inductor 4 is arranged in the box body 2, so that the length of the inverter inductor box 5 is shortened, the size of the radiator 3 is reduced, and the volume of the whole photovoltaic energy storage inverter is further reduced; the photovoltaic inductor 4 and the inductor in the inversion inductor box 5 are arranged separately, so that the heat dissipation performance of the whole photovoltaic energy storage inverter is more uniform; because the photovoltaic inductor 4 generates more heat during working, the photovoltaic inductor 4 can still radiate heat by utilizing the radiator 3 by making the photovoltaic inductor in thermal contact with the radiator 3, so that the heat radiation of the whole photovoltaic energy storage inverter is more uniform and effective; further, the heat sink 3 is connected to the bottom of the case 2 such that the heat sink 3 can efficiently transfer heat generated by the heating element in the case 2 to the environment.
As shown in fig. 2 to 4, the heat sink 3 and the bottom of the case 2 (i.e., the bottom surface of the bottom wall and/or the side wall) may be connected by welding, bonding, clamping, fastening, screw connection, or the like.
Alternatively, as shown in fig. 2 to 4, the inverter inductance box 5 is provided such that the top thereof is directly connected to the bottom wall of the case 2. The connection can be welding, bonding, clamping, buckling, screw connection and the like.
Alternatively, as shown in fig. 2, the case 2 is a rectangular parallelepiped including a bottom wall (not shown) and 4 side walls 21 open at the top, and the top of the case 2 is covered with the upper cover 1.
Optionally, the photovoltaic energy storage inverter further comprises waterproof strips 23, 33, 53.
Optionally, a waterproof strip 23 is provided between the case 2 and the upper cover 1.
Optionally, as shown in fig. 2, a waterproof strip 33 is provided between the case 2 and the radiator 3. The waterproof strip 33 may surround the top surface of the heat sink 3.
Alternatively, as shown in fig. 2, a waterproof strip 53 is provided between the case 2 and the inverter inductance box 5. The waterproof strip 53 may surround the top surface of the inverter inductance box 5.
Alternatively, as shown in fig. 2, the heat sink 3 may include a top plate 31 and a plurality of heat dissipation ribs 32 extending downward from the top plate 31.
Optionally, as shown in fig. 2, a heat dissipation rib 51 is also provided at the bottom of the inverter inductance box 5. The heat generated by the inductance in the inverter inductance box 5 can be transferred to the environment through these heat dissipation ribs 51.
Alternatively, as shown in fig. 3, the photovoltaic inductor 4 is connected to the top of the heat sink 3, and the connection may be welding, bonding, clamping, fastening, screw connection, or the like. Of course, the photovoltaic inductor 4 may also be in thermal contact with the heat sink without being fixedly connected to the heat sink 3.
Alternatively, as shown in fig. 3, the radiator 3 and the inverter inductance box 5 are connected side by side to the bottom of the case 2, respectively. Therefore, the arrangement of the photovoltaic energy storage inverter is more compact, and the space utilization rate is improved.
Alternatively, as shown in fig. 4, a plurality of side-by-side inductor grooves are formed in the inverter inductor box 5, each of which accommodates an inductor 54, 55, 56, 57 therein. These inductances 54, 55, 56, 57 may include one or more inverter inductances and one or more battery inductances.
Alternatively, as shown in fig. 4, the photovoltaic inductor 4 is disposed such that the bottom thereof is in direct contact with the top of the heat sink 3. Alternatively, the photovoltaic inductor 4 may be connected to the top of the heat sink 3 by welding, clamping, or the like. Alternatively, the photovoltaic inductance 4 may be thermally connected to the heat sink 3 through a bottom wall of the case 2 having good thermal conductivity. .
Optionally, as shown in fig. 1,2, a connection plate 22 is provided below a pair of side walls 21 of the case 2 for connecting the case 2 to other components or bases of the photovoltaic apparatus.
Optionally, as shown in fig. 2, 4 and 5, PCB circuit boards 61 and 62 are also disposed in the case 2.
Alternatively, as shown in fig. 4 and 5, the PCB circuit boards 61, 62 are of a double-layered structure stacked one above the other, i.e., include the PCB circuit board 61 located above and the PCB circuit board 62 located below. The arrangement of the two layers of PCB circuit boards enables the structure of the inverter to be more compact, improves the space utilization rate, reduces the overall size of the inverter, and further reduces the production cost.
Optionally, a PCB circuit board 62 located below is used as at least a part of the bottom wall of the case 2. In other words, the heat sink 3 may be disposed in direct contact with the underlying PCB circuit board 62.
Optionally, among the upper and lower PCB circuit boards 61, 62, the upper PCB circuit board 61 is a power portion of the photovoltaic energy storage inverter, and the lower PCB circuit board 62 is an output portion and a control portion of the photovoltaic energy storage inverter, and vice versa.
Optionally, the photovoltaic inductance 4 is arranged side by side with at least the lower circuit board 62 of the PCB circuit boards 61, 62 within the housing.
Optionally, other electrical components may be provided within the housing 2.
In a second aspect, the present utility model provides a photovoltaic energy storage system comprising a photovoltaic energy storage inverter according to the first aspect of the utility model.
Alternatively, the photovoltaic energy storage system may also include other devices, such as at least one photovoltaic string connected to the input of the photovoltaic inverter, a grid-tie unit connected to the output of the photovoltaic inverter, and so forth, as known to those skilled in the art.
In the foregoing description, specific and preferred embodiments have been shown for the purposes of illustration and description only. Variations in the parameters, arrangements and details of the foregoing embodiments may be made by those skilled in the art without departing from the principles disclosed herein.
For example, in the above embodiment, the upper cover 1 is put on the case 2. Alternatively, the upper cover 1 and the case 2 may be formed as an integral structure.
In the above embodiment, the double-layered PCB circuit boards 61, 62 of the laminated structure are provided in the case. Alternatively, only one layer of PCB circuit board may be provided in the case, or three or more layers of PCB circuit boards of a laminated structure may be provided.
Further, in the above-described embodiment, waterproof strips are provided between the upper cover 1 and the case 2, between the case 2 and the inverter inductance box 5, and between the case 2 and the heat sink 3, respectively. Alternatively, other sealing means may be employed to omit one or more of the flashing strips.
Claims (11)
1. A photovoltaic energy storage inverter comprises a box body, a radiator, a photovoltaic inductor and an inversion inductor box, and is characterized in that,
The radiator and the inverter inductance box are arranged outside the box body and are respectively connected with the bottom of the box body; the photovoltaic inductor is disposed inside the housing and in thermal contact with the heat sink.
2. The photovoltaic energy storage inverter of claim 1 wherein,
The photovoltaic inductor is connected with the top of the radiator.
3. The photovoltaic energy storage inverter of claim 1 or 2, wherein,
The radiator and the inverter inductance box are connected with the bottom of the box body side by side respectively.
4. The photovoltaic energy storage inverter of claim 1 or 2, wherein,
And a PCB circuit board is also arranged in the box body.
5. The photovoltaic energy storage inverter of claim 4 wherein,
The PCB circuit board is a single-layer circuit board or a multi-layer circuit board with a laminated structure.
6. The photovoltaic energy storage inverter of claim 1 or 2, wherein,
The inverter inductor box is internally provided with a plurality of side-by-side inductor grooves, each inductor groove is internally provided with an inductor, and the inductor is an inverter inductor or a battery inductor.
7. The photovoltaic energy storage inverter of claim 1 or 2, wherein,
The photovoltaic energy storage inverter further comprises a waterproof strip.
8. The photovoltaic energy storage inverter of claim 7,
The photovoltaic energy storage inverter further comprises an upper cover covered on the top of the box body, and the waterproof strip is arranged between the box body and the upper cover.
9. The photovoltaic energy storage inverter of claim 7,
The waterproof strip is arranged on the radiator and the box body.
10. The photovoltaic energy storage inverter of claim 7,
The waterproof strip is arranged between the inversion inductance box and the box body.
11. A photovoltaic energy storage system is characterized in that,
The photovoltaic energy storage system comprising the photovoltaic energy storage inverter of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323598222.1U CN221948055U (en) | 2023-12-28 | 2023-12-28 | Photovoltaic energy storage inverter and photovoltaic energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323598222.1U CN221948055U (en) | 2023-12-28 | 2023-12-28 | Photovoltaic energy storage inverter and photovoltaic energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221948055U true CN221948055U (en) | 2024-11-01 |
Family
ID=93239169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323598222.1U Active CN221948055U (en) | 2023-12-28 | 2023-12-28 | Photovoltaic energy storage inverter and photovoltaic energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221948055U (en) |
-
2023
- 2023-12-28 CN CN202323598222.1U patent/CN221948055U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3062955C (en) | Power cabinet, grid-connected photovoltaic system and container | |
| JP6696869B2 (en) | Quick charger | |
| CN209358435U (en) | A kind of compact SVG power cell | |
| KR102326063B1 (en) | Film capacitor module of inverter for vehicle | |
| WO2013031614A1 (en) | Power supply device, vehicle provided with same, and power storage device | |
| JP5471888B2 (en) | Power converter | |
| CN106134070A (en) | A kind of TRT including secondary cell | |
| CN221948055U (en) | Photovoltaic energy storage inverter and photovoltaic energy storage system | |
| US11683918B2 (en) | Power electronics module with improved space utilization and thermal management characteristics | |
| CN117747301A (en) | Film capacitor module integrated with EMC filter capacitor and motor controller | |
| CN219759736U (en) | Air-cooled battery plug box | |
| CN216357975U (en) | Photovoltaic inverter | |
| CN211045520U (en) | Battery box | |
| CN211128734U (en) | Busbar capacitor assembly heat dissipation device and electric automobile driving motor controller | |
| CN220673639U (en) | Energy storage inverter and energy storage system | |
| JP3172419U (en) | Connection box for photovoltaic system | |
| CN221861468U (en) | Film capacitor module integrated with EMC filter capacitor and motor controller | |
| CN116406148B (en) | Energy storage equipment | |
| CN220651760U (en) | Inductance and power module | |
| CN219394461U (en) | Vehicle-mounted charger and vehicle | |
| CN219612209U (en) | Cabinet and inverter | |
| CN220456518U (en) | Battery management system and battery pack | |
| CN219421254U (en) | Electric cabinet for high-power switching power supply | |
| CN219843534U (en) | Compact frequency converter | |
| CN221408665U (en) | Modularized energy storage converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |