CN208489831U - A kind of photovoltaic grid connection box - Google Patents
A kind of photovoltaic grid connection box Download PDFInfo
- Publication number
- CN208489831U CN208489831U CN201821176692.5U CN201821176692U CN208489831U CN 208489831 U CN208489831 U CN 208489831U CN 201821176692 U CN201821176692 U CN 201821176692U CN 208489831 U CN208489831 U CN 208489831U
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- hole
- cabinet
- grid connection
- mounting
- plate
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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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- Photovoltaic Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Inverter Devices (AREA)
Abstract
The utility model provides a kind of photovoltaic grid connection box, including cabinet and ventilation device, and cabinet includes cabinet shell, Box Cover and mounting plate；Mounting plate includes plate body and the connecting plate for being set to plate body two sides, and plate body is the rectangular slab for being laid with through-hole, and connecting plate is equipped with multiple internal thread holes, and the end of thread for installing bolt passes through the inside that mounting hole is fixed on internal thread hole；Also reserved first ventilation hole of the side wall of cabinet shell and the second ventilation hole, cabinet are connected to ventilation device by the first ventilation hole and the second ventilation hole；Ventilation device includes blower, intake stack, wind pipe and removes dirt barrel, and blower is negative-pressure air fan, and blower is connected to the second ventilation hole by wind pipe；It is closed at one end except dirt barrel, except the other end of dirt barrel is fixed on intake stack.The utility model passes through the setting of cabinet and ventilation device, realizes the ventilating and cooling effect of photovoltaic grid connection box.
Description
Technical field
The utility model relates to field of photovoltaic power generation, and in particular to a kind of photovoltaic grid connection box.
Background technique
Photovoltaic power generation is the photovoltaic effect using interface and luminous energy is directly translated into a kind of skill of electric energy
Art, photovoltaic power generation are mainly made of solar panel (component), controller and inverter three parts, and main component is by electronics member
Device is constituted.Solar battery carries out packaging protection after series connection can form the solar cell module of large area, in turn
Form photovoltaic power generation apparatus.Photovoltaic power generation has sufficient spatter property compared with traditional thermal power generation system, not by resource point
The limitation of cloth region has critical role in long-term energy strategy.Grid-connected case is the portion for connecting inverter and power grid
Part primarily serves protective effect, is the highest component of photovoltaic power station failure rate, and photovoltaic is multiple with being laid in grid connection box
The electronic components such as switch block and inverter, the electronic component calorific value under long-term work is larger, as heat cannot be timely
It sheds, then will affect the performance of electronic component etc., even the accidents such as generation fire.
Utility model content
To solve the above problems, the utility model provides a kind of photovoltaic grid connection box, pass through setting for cabinet and ventilation device
It sets, realizes the ventilating and cooling effect of photovoltaic grid connection box, power Transmission accident caused by avoiding because of heat dissipation problem.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of photovoltaic grid connection box, including cabinet and ventilation device, it is characterised in that: the cabinet includes cabinet shell, case
Body lid and mounting plate, the side wall of the cabinet shell also reserve multiple mounting holes, and the mounting plate is installed on cabinet by mounting hole
The inside of shell；The mounting plate includes plate body and the connecting plate for being set to plate body two sides, and the plate body is the square for being laid with through-hole
Shape plate, switch block and inverter are fixed on the plate body, and the connecting plate is also vertically connected on the plate body, the company
Fishplate bar is equipped with multiple internal thread holes, and the end of thread for installing bolt passes through the inside that mounting hole is fixed on the internal thread hole；Institute
Also reserved first ventilation hole of side wall and the second ventilation hole, first ventilation hole for stating cabinet shell are set to cabinet shell bottom surface and institute
It states between mounting plate, second ventilation hole is set between cabinet shell notch and the mounting plate, and the cabinet passes through first
Ventilation hole and the second ventilation hole are connected to the ventilation device；The ventilation device include blower, intake stack, wind pipe and
Except dirt barrel, the blower is negative-pressure air fan, and blower is connected to second ventilation hole by wind pipe, the intake stack
One end is connected to first ventilation hole, and the other end of intake stack is also connected with except dirt barrel；It is described to remove the closed at one end of dirt barrel, it removes
The other end of dirt barrel is fixed on the intake stack.
Further, the cabinet shell is groove closed at both ends, and the Box Cover is set at the groove port of cabinet shell.
Further, the side of the Box Cover is connected on cabinet shell by shaft, and the other side of Box Cover is additionally provided with
Box lock.
Further, four sides of plate body are also in contact with four side walls of cabinet shell respectively.
Further, the other end of the intake stack is additionally provided with mounting platform, and installation is reserved on the mounting platform
Through-hole.
Further, the mounting platform is horizontally disposed, and the end except dirt barrel is equipped with threaded post, the spiral shell
Line column passes through the installation through-hole and is fixed on the end face for removing dirt barrel by nut.
Further, the mounting platform is additionally provided with stepped hole, is equipped with gasket in the stepped hole.
The utility model has the following beneficial effects:
1, a kind of photovoltaic grid connection box of the utility model realizes gas in cabinet by the setting of cabinet and ventilation device
Body is exchanged with ambient atmos, is conducive to the heat dissipation of photovoltaic grid connection box, avoids making because temperature is excessively high caused by radiating not in time
At power Transmission accident；
2, except dirt barrel is set on ventilation device, except dirt barrel strainer can to enter photovoltaic grid connection box ambient atmos into
Row filtering avoids the working performance for entering electronic component in influence photovoltaic grid connection box because of dust, while except dirt barrel passes through
The threaded post of end is installed on intake stack, after a period of use, will can easily remove dirt barrel from blast pipe except dirt barrel
Cleaning is disassembled on the mounting platform in road or what is more renewed removes dirt barrel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of cabinet；
Fig. 3 is the top view of cabinet；
Fig. 4 is the installation diagram except dirt barrel and intake stack；
Wherein, each label in figure are as follows: 1, cabinet shell；2, Box Cover；3, mounting hole；4, plate body；5, bolt is installed；6, it connects
Plate；7, the first ventilation hole；8, the second ventilation hole；9, blower；10, intake stack；11, wind pipe；12, mounting platform；13, pacify
Fill through-hole；14, threaded post；15, gasket；16, nut；17 remove dirt barrel；18, internal thread hole.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description.
Fig. 1 is a kind of structural schematic diagram of photovoltaic grid connection box, by the setting of cabinet and ventilation device, is realized in cabinet
Gas is exchanged with ambient atmos, is conducive to the heat dissipation of photovoltaic grid connection box, is avoided because temperature caused by radiating not in time is excessively high
Cause power Transmission accident.
Cabinet includes cabinet shell 1, Box Cover 2 and mounting plate, and the side wall of cabinet shell 1 also reserves multiple mounting holes 3, cabinet shell
1 is groove closed at both ends, and Box Cover 2 is set at the groove port of cabinet shell 1, and the side of Box Cover 2 is connected to by shaft
On cabinet shell 1, the other side of Box Cover 2 is additionally provided with box lock, four sides of plate body 4 also respectively with four sides of cabinet shell 1
Wall is in contact, and mounting plate is installed on the inside of cabinet shell 1 by mounting hole 3；Mounting plate includes plate body 4 and is set to 4 liang of plate body
The connecting plate 6 of side, plate body 4 are the rectangular slab for being laid with through-hole, and switch block and inverter are fixed on plate body 4, and connecting plate 6 is also
It is vertically connected on plate body 4, connecting plate 6 is equipped with multiple internal thread holes 18, and the end of thread for installing bolt 5 is solid across mounting hole 3
Due to the inside of internal thread hole 18；Also reserved first ventilation hole 7 of the side wall of cabinet shell 1 and the second ventilation hole 8, the first ventilation hole 7
It is set between 1 bottom surface of cabinet shell and mounting plate, the second ventilation hole 8 is set between 1 notch of cabinet shell and mounting plate, and cabinet is logical
It crosses the first ventilation hole 7 and the second ventilation hole 8 is connected to ventilation device.
Ventilation device includes blower 9, intake stack 10, wind pipe 11 and removes dirt barrel 17, and blower 9 is negative-pressure air fan 9, wind
Machine 9 is connected to the second ventilation hole 8 by wind pipe 11, and one end of intake stack 10 is connected to the first ventilation hole 7, intake stack
10 other end is also connected with except dirt barrel 17；It is closed at one end except dirt barrel 17, except the other end of dirt barrel 17 is fixed on intake stack 10,
The other end of intake stack 10 is additionally provided with mounting platform 12, and installation through-hole 13,12 edge of mounting platform are reserved on mounting platform 12
Horizontally arranged, except the end of dirt barrel 17 is equipped with threaded post 14, threaded post 14 passes through installation through-hole 13 and is consolidated by nut 16
Due to the end face for removing dirt barrel 17, mounting platform 12 is additionally provided with stepped hole, and gasket 15 is equipped in stepped hole, make except dirt barrel 17 with into
The connection of air piping 10 more closely, the gas entered in guard box body all via the filtering of strainer, except dirt barrel 17 be set to it is logical
On wind apparatus, except the strainer of dirt barrel 17 can be filtered the ambient atmos for entering photovoltaic grid connection box, avoid because dust into
Enter to influence the working performance of electronic component in photovoltaic grid connection box, while except the threaded post 14 that dirt barrel 17 passes through end is installed on
On intake stack 10, after a period of use, it can will easily remove dirt barrel 17 except dirt barrel 17 and be put down from the installation of intake stack 10
Cleaning is disassembled on platform 12 or what is more renewed removes dirt barrel 17.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type, and the present invention will not be limited to the embodiments shown herein, and be to fit to and original disclosed herein
Manage the widest scope consistent with features of novelty.
Claims (7)
1. a kind of photovoltaic grid connection box, including cabinet and ventilation device, it is characterised in that: the cabinet includes cabinet shell, cabinet
Lid and mounting plate, the side wall of the cabinet shell also reserve multiple mounting holes, and the mounting plate is installed on cabinet shell by mounting hole
Inside；The mounting plate includes plate body and the connecting plate for being set to plate body two sides, and the plate body is the rectangle for being laid with through-hole
Plate, switch block and inverter are fixed on the plate body, and the connecting plate is also vertically connected on the plate body, the connection
Plate is equipped with multiple internal thread holes, and the end of thread for installing bolt passes through the inside that mounting hole is fixed on the internal thread hole；It is described
Also reserved first ventilation hole of the side wall of cabinet shell and the second ventilation hole, first ventilation hole are set to cabinet shell bottom surface and described
Between mounting plate, second ventilation hole is set between cabinet shell notch and the mounting plate, and the cabinet is logical by first
Air holes and the second ventilation hole are connected to the ventilation device；
The ventilation device includes blower, intake stack, wind pipe and removes dirt barrel, and the blower is negative-pressure air fan, and blower is logical
It crosses wind pipe and is connected to second ventilation hole, one end of the intake stack is connected to first ventilation hole, blast pipe
The other end in road is also connected with except dirt barrel；It is described to remove the closed at one end of dirt barrel, except the other end of dirt barrel is fixed on the intake stack.
2. a kind of photovoltaic grid connection box according to claim 1, it is characterised in that: the cabinet shell is closed at both ends recessed
Slot, the Box Cover are set at the groove port of cabinet shell.
3. a kind of photovoltaic grid connection box according to claim 1, it is characterised in that: the side of the Box Cover passes through shaft
It is connected on cabinet shell, the other side of Box Cover is additionally provided with box lock.
4. a kind of photovoltaic grid connection box according to claim 1, it is characterised in that: four sides of plate body also respectively with case
Four side walls of body shell are in contact.
5. a kind of photovoltaic grid connection box according to claim 1, it is characterised in that: the other end of the intake stack is also set
There is mounting platform, is reserved with installation through-hole on the mounting platform.
6. a kind of photovoltaic grid connection box according to claim 5, it is characterised in that: the mounting platform is set in the horizontal direction
It sets, the end except dirt barrel is equipped with threaded post, and the threaded post passes through the installation through-hole and is fixed on by nut described
Except the end face of dirt barrel.
7. a kind of photovoltaic grid connection box according to claim 6, it is characterised in that: the mounting platform is additionally provided with step
Hole, the stepped hole is interior to be equipped with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176692.5U CN208489831U (en) | 2018-07-24 | 2018-07-24 | A kind of photovoltaic grid connection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176692.5U CN208489831U (en) | 2018-07-24 | 2018-07-24 | A kind of photovoltaic grid connection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489831U true CN208489831U (en) | 2019-02-12 |
Family
ID=65247794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821176692.5U Active CN208489831U (en) | 2018-07-24 | 2018-07-24 | A kind of photovoltaic grid connection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489831U (en) |
-
2018
- 2018-07-24 CN CN201821176692.5U patent/CN208489831U/en active Active
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