CN208285229U - A kind of photovoltaic DC-to-AC converter - Google Patents
A kind of photovoltaic DC-to-AC converter Download PDFInfo
- Publication number
- CN208285229U CN208285229U CN201820872336.0U CN201820872336U CN208285229U CN 208285229 U CN208285229 U CN 208285229U CN 201820872336 U CN201820872336 U CN 201820872336U CN 208285229 U CN208285229 U CN 208285229U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- flow passage
- radiating flow
- mounting base
- photovoltaic
- 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.)
- Expired - Fee Related
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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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- Inverter Devices (AREA)
Abstract
The utility model relates to a kind of photovoltaic DC-to-AC converters, including installs case and the inverter assembly being arranged in installs case, installs case includes cabinet, case lid and at least two mounting bases, cabinet is inner hollow, the structure of front openings, the open side of cabinet is arranged in case lid, all mounting bases are arranged at the outside of the backboard of cabinet, mounting base is equipped with radiating flow passage, the opening respectively held that radiating flow passage is connected with outside air downward, is equipped with the heat release hole being connected with the radiating flow passage in the mounting base in the junction of each mounting base on the backboard of cabinet.The beneficial effects of the utility model are: the opening respectively held being connected with outside air due to radiating flow passage is downward, can not have to worry that rainwater be entered in cabinet by radiating flow passage on rainy day, so that rainwater be avoided to impact inverter assembly.
Description
Technical field
The utility model relates to photovoltaic apparatus field more particularly to a kind of photovoltaic DC-to-AC converters.
Background technique
Photovoltaic DC-to-AC converter major function is by the DC inverter of battery into alternating current, as photovoltaic power generation enters into house
The volume in front yard, photovoltaic DC-to-AC converter also gradually becomes smaller, and mounting means is also by contacting to earth to put and become wall-mounted before.It is wall-mounted
Photovoltaic DC-to-AC converter mainly include cabinet and the inverter assembly that is made of multiple electric elements, in order to be carried out to inverter assembly
It radiates, is provided with heat release hole on cabinet, general heat release hole directly opens up on the side wall of the box body, when photovoltaic DC-to-AC converter is suspended on room
After outer, in rainy weather, rainwater can be entered in cabinet by heat release hole, easily cause short circuit to the intracorporal inverter assembly of case.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of photovoltaic DC-to-AC converter, with overcome it is above-mentioned in the prior art
Deficiency.
The utility model solve above-mentioned technical problem technical solution it is as follows: a kind of photovoltaic DC-to-AC converter, including installs case with
And the inverter assembly in installs case is set, installs case includes cabinet, case lid and at least two mounting bases, and cabinet is in inside
The open side of cabinet is arranged in empty, front openings structures, case lid, and all mounting bases are arranged at the outside of the backboard of cabinet,
Mounting base be equipped with radiating flow passage, the opening respectively held that radiating flow passage is connected with outside air downward, on the backboard of cabinet
The heat release hole being connected with the radiating flow passage in the mounting base is equipped in the junction of each mounting base.
The beneficial effects of the utility model are: being set by the way that mounting base is arranged on the backboard of cabinet, and in mounting base
Radiating flow passage is set, and guarantees the opening respectively held that radiating flow passage is connected with outside air downward, then in the backboard of cabinet
On in the junction of each mounting base be equipped with the heat release hole that is connected with the radiating flow passage in the mounting base, such inverter assembly institute
The heat of generation can be entered in radiating flow passage by heat release hole, be then discharged in atmosphere by radiating flow passage, realize heat dissipation, by
The opening respectively held being connected in radiating flow passage with outside air downward, therefore, avoids rainwater from entering by radiating flow passage
Inverter assembly is impacted in cabinet；There are certain gap, day between wall and cabinet under the action of mounting base simultaneously
When gas sweltering heat, can to avoid wall by the heat transfer of absorption to cabinet, avoid box interior temperature from being influenced by wall.
Based on the above technical solution, the utility model can also do following improvement.
Further, radiating flow passage is provided on the end face that mounting base is connected with the backboard of cabinet, mounting base and cabinet
Backboard seamless connection.
It is using above-mentioned further beneficial effect: the difficulty for opening up radiating flow passage in mounting base can be reduced, it is convenient
It manufactures.
Further, mounting base includes base portion, and the equal decurvation in the both ends of base portion forms bending part, and the width of base portion is
5cm-10cm, the width of bending part are 5cm-10cm, and the length of bending part is 5cm-10cm, are divided equally on base portion and two bending parts
It is furnished with radiating flow passage, the both ends of radiating flow passage are in respectively on two bending parts, and the both ends of radiating flow passage extend through two
The lower end surface of bending part.
It is using above-mentioned further beneficial effect: in the opening respectively held for guaranteeing that radiating flow passage is connected with outside air
In situation directed downwardly, reduce the area of mounting base, while can reduce weight under same material.
Further, otic placode is equipped on bending part, otic placode is equipped with mounting hole.
It is using above-mentioned further beneficial effect: facilitates and be fixed on the wall photovoltaic DC-to-AC converter using bolt.
Further, the quantity of mounting base is two, and two mounting bases are arranged at the upper end of cabinet and at lower end.
It is using above-mentioned further beneficial effect: can use the characteristic of hot and cold air, cold airflow is allowed to pass through cabinet
The radiating flow passage in mounting base at lower end enters in cabinet, in the mounting base at upper end for then allowing thermal current to pass through cabinet
Radiating flow passage be discharged to outside cabinet, be able to ascend radiating efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of photovoltaic DC-to-AC converter described in the utility model；
Fig. 2 is the structural schematic diagram two of photovoltaic DC-to-AC converter described in the utility model；
Fig. 3 is the cross-sectional view of photovoltaic DC-to-AC converter described in the utility model；
Fig. 4 is the structural schematic diagram of mounting base described in the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, installs case, 110, cabinet, 111, backboard, 1111, heat release hole, 120, case lid, 130, mounting base, 131, sink flows
Road, 132, base portion, 133, bending part, 134, otic placode, 1341, mounting hole, 2, inverter assembly.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of photovoltaic DC-to-AC converter, including installs case 1 and inverter assembly 2, installs case 1
Including cabinet 110, case lid 120 and at least two mounting bases 130, cabinet 110 is the cuboid knot of inner hollow, front openings
Structure, inverter assembly 2 are arranged in cabinet 110, and the open side of cabinet 110 is arranged in case lid 120, and the left end of case lid 120 passes through
Hinge is connected with cabinet 110, and the right end of case lid 120 is connected by hasp or lockset with cabinet 110, the opening of cabinet 110
In be equipped with sealing ring, when case lid 120 lid close the opening of cabinet 110 when, sealing ring is in contact with case lid 120, sealing ring use
Polyvinyl chloride elastic water proofing paint is made.
All mounting bases 130 are arranged at the outside of the backboard 111 of cabinet 110, and mounting base 130 is equipped with radiating flow passage
131, the opening respectively held that radiating flow passage 131 is connected with outside air downward, in each installation on the backboard 111 of cabinet 110
The junction of seat 130 is equipped with the heat release hole 1111 being connected with the radiating flow passage 131 in the mounting base 130, is mounted in this way
Heat caused by inverter assembly 2 in cabinet 110 can be entered in radiating flow passage 131 by heat release hole 1111, then
It is discharged in air by radiating flow passage 131.
In the present invention, radiating flow passage 131 is provided with the end that mounting base 130 is connected with the backboard 111 of cabinet 110
On face, the difficulty that radiating flow passage 131 is opened up in mounting base 130, the backboard of mounting base 130 and cabinet 110 can be reduced in this way
111 seamless connections realize that the mode of seamless connection may is that the backboard 111 of mounting base 130 and cabinet 110 is integrally formed, or
Mounting base 130 is connected by the way of seamless welding with the backboard 111 of cabinet 110.
Mounting base 130 includes base portion 132, and base portion 132 is in long strip, and the length of base portion 132 is two points of 110 width of cabinet
One of to 5/6ths, the equal decurvation in the both ends of base portion 132 forms bending part 133, and the width of base portion 132 is 5cm-
10cm, concretely 5cm, 6.8cm, 7.5cm, 9cm, 10cm, the width of bending part 133 are 5cm-10cm, concretely 5cm,
6.8cm, 7.5cm, 9cm, 10cm, the length of bending part 133 are 5cm-10cm, concretely 5cm, 6.8cm, 7.5cm, 9cm,
It is distributed with radiating flow passage 131 on 10cm, base portion 132 and two bending parts 133, the both ends of radiating flow passage 131 are in two respectively
On a bending part 133, and the both ends of radiating flow passage 131 extend through the lower end surface of two bending parts 133, i.e. radiating flow passage 131
Both ends be connected with outside air, and the opening at the both ends of radiating flow passage 131 is downward, and the length of heat release hole 1111 compares base portion
The width of the small 3cm-5cm of 132 length, heat release hole 1111 are 3cm-5cm smaller than the width of base portion 132, mounting base 130 open up it is scattered
Its wall thickness is 2mm-8mm after hot flow path 131.
Otic placode 134 is equipped on bending part 133, otic placode 134 partially reaches outside the region that cabinet 110 is covered, ear
Plate 134 reaches the part outside the region that cabinet 110 is covered equipped with mounting hole 1341 so that it is convenient to using bolt by photovoltaic
Inverter is fixed on the wall.
In the present invention, the quantity of mounting base 130 is preferably two, and two mounting bases 130 are arranged in case
At the upper end of body 110 and at the lower end of cabinet 110, the characteristic of hot and cold air can use in this way, cold airflow is allowed to pass through cabinet 110
Lower end at mounting base 130 on radiating flow passage 131 enter in cabinet 110, then allow thermal current upper by cabinet 110
The radiating flow passage 131 in mounting base 130 at end is discharged to outside cabinet 110, is able to ascend radiating efficiency.
If in order to improve heat dissipation performance fan can be installed in the heat release hole 1111 at the upper end of cabinet 110, fan
Electric energy is supplied by battery built-in in cabinet 110, and battery is rechargeable battery, and the size and power of fan are according to heat release hole
1111 size is selected, fan can by the air-flow in cabinet 110 by the heat release hole 1111 and with the heat release hole 1111
The radiating flow passage 131 being connected is discharged to outside cabinet 110.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (5)
1. a kind of photovoltaic DC-to-AC converter, including installs case (1) and the inverter assembly (2) being arranged in installs case (1), feature
It is, the installs case (1) includes cabinet (110), case lid (120) and at least two mounting bases (130), the cabinet (110)
For inner hollow, the structure of front openings, open side of case lid (120) setting in the cabinet (110), all mounting bases
(130) it is arranged at the outside of the backboard (111) of the cabinet (110), the mounting base (130) is equipped with radiating flow passage
(131), the opening respectively held that the radiating flow passage (131) is connected with outside air downward, the backboard of the cabinet (110)
(111) it is equipped in the junction of each mounting base (130) and is connected with the radiating flow passage (131) in the mounting base (130)
Heat release hole (1111).
2. a kind of photovoltaic DC-to-AC converter according to claim 1, which is characterized in that the radiating flow passage (131) is provided with peace
On the end face that dress seat (130) is connected with the backboard (111) of the cabinet (110), the mounting base (130) and the cabinet
(110) backboard (111) seamless connection.
3. a kind of photovoltaic DC-to-AC converter according to claim 2, which is characterized in that the mounting base (130) includes base portion
(132), the equal decurvation in both ends of the base portion (132) is formed bending part (133), and the width of the base portion (132) is 5cm-
10cm, the width of the bending part (133) are 5cm-10cm, and the length of the bending part (133) is 5cm-10cm, the base portion
(132) and on two bending parts (133) it is distributed with radiating flow passage (131), the both ends of the radiating flow passage (131) are in respectively
On two bending parts (133), and the both ends of the radiating flow passage (131) extend through the lower end surface of two bending parts (133).
4. a kind of photovoltaic DC-to-AC converter according to claim 3, which is characterized in that be equipped with ear on the bending part (133)
Plate (134), the otic placode (134) are equipped with mounting hole (1341).
5. a kind of photovoltaic DC-to-AC converter according to claim 1-4, which is characterized in that the mounting base (130)
Quantity is two, and two mounting bases (130) are arranged at the upper end of cabinet (110) and at lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820872336.0U CN208285229U (en) | 2018-06-05 | 2018-06-05 | A kind of photovoltaic DC-to-AC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820872336.0U CN208285229U (en) | 2018-06-05 | 2018-06-05 | A kind of photovoltaic DC-to-AC converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208285229U true CN208285229U (en) | 2018-12-25 |
Family
ID=64705984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820872336.0U Expired - Fee Related CN208285229U (en) | 2018-06-05 | 2018-06-05 | A kind of photovoltaic DC-to-AC converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208285229U (en) |
-
2018
- 2018-06-05 CN CN201820872336.0U patent/CN208285229U/en not_active Expired - Fee Related
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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: 20181225 Termination date: 20190605 |