CN106301006A - A kind of photovoltaic DC-to-AC converter and cooling system thereof - Google Patents
A kind of photovoltaic DC-to-AC converter and cooling system thereof Download PDFInfo
- Publication number
- CN106301006A CN106301006A CN201610741222.8A CN201610741222A CN106301006A CN 106301006 A CN106301006 A CN 106301006A CN 201610741222 A CN201610741222 A CN 201610741222A CN 106301006 A CN106301006 A CN 106301006A
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- CN
- China
- Prior art keywords
- photovoltaic
- converter
- fan
- cooling system
- blast pipe
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The open a kind of photovoltaic DC-to-AC converter of the present invention and cooling system thereof, the cooling system of this photovoltaic DC-to-AC converter includes cabinet, described cabinet includes blast pipe and discharge pipe, described blast pipe has some separate air channels, being equipped with fan in each described air channel, the sidewall of described discharge pipe is provided with the installation position of the inversion module for installing described photovoltaic DC-to-AC converter.Photovoltaic DC-to-AC converter provided by the present invention and cooling system thereof possess good heat-sinking capability, and can the most effectively work.
Description
Technical field
The present invention relates to technical field of photovoltaic power generation equipment, particularly relate to a kind of photovoltaic DC-to-AC converter and cooling system thereof.
Background technology
Photovoltaic DC-to-AC converter is one of critical piece of photovoltaic generating system, for being turned by unidirectional current produced by photovoltaic generation
Changing alternating current into, the alternating current obtained may be used for independently-powered, it is also possible to be connected to the grid use.
Photovoltaic generating system in early days is less, how based on off-network type, for independently-powered with satisfied nothing due to generated energy
The need for electricity of network users, now, the power of the photovoltaic DC-to-AC converter used by photovoltaic generation is the most relatively small.Along with photovoltaic technology
Development, photovoltaic power generation quantity constantly increases, and the demand of the photovoltaic generating system of grid type starts to increase, its merit to photovoltaic DC-to-AC converter
Rate requires the most increasing.
Powerful photovoltaic DC-to-AC converter generally comprises multiple three-phase inversion module, and in use, each inversion module will
Producing substantial amounts of heat, the cooling system only relying on traditional fin form cannot meet its radiating requirements.But, if not
Can dispel the heat timely and effectively, there is the overheated risk burnt in photovoltaic DC-to-AC converter, in some instances it may even be possible to can produce blast, exists serious
Potential safety hazard.On the other hand, the overheated and operation irregularity of photovoltaic DC-to-AC converter that causes, also result in the photovoltaic being connected to the grid and send out
Electricity system is difficult to continued power, affects the application prospect of photovoltaic generation.
Therefore, how to provide a kind of and possess good heat radiating ability and the photovoltaic DC-to-AC converter that can the most effectively work, be still this
The technical problem that skilled person is urgently to be resolved hurrily.
Summary of the invention
It is an object of the invention to provide a kind of possess good heat radiating ability and the photovoltaic DC-to-AC converter that can the most effectively work and
Its cooling system.
For solving above-mentioned technical problem, the present invention provides the cooling system of a kind of photovoltaic DC-to-AC converter, including cabinet, and described cabinet
Body includes blast pipe and the discharge pipe being interconnected, and described blast pipe has some separate air channels, in each described air channel
Being equipped with fan, the sidewall of described discharge pipe is provided with the installation position of the inversion module for installing described photovoltaic DC-to-AC converter.
The cooling system of photovoltaic DC-to-AC converter provided by the present invention, relies primarily on the cross-ventilation in blast pipe and discharge pipe
Dispel the heat.When specific works, heat produced by inversion module will pass to cabinet in thermo-conducting manner, and cabinet
Blast pipe part is provided with in some air channels, and each air channel and is provided with fan, and under the effect of each fan, cabinet is internal will be produced
Cross-ventilation is to take away the heat of cabinet, and than traditional mode relying on fin to carry out heat conducting and radiating, heat loss through convection can
Obtaining bigger radiating efficiency, the heat-sinking capability of photovoltaic DC-to-AC converter obtains and is greatly improved.And in use, staff can
Adjust the power of institute's use fan as required, thus control rate of heat dispation to adapt to the photovoltaic DC-to-AC converter of different capacity.
Additionally, the cooling system of photovoltaic DC-to-AC converter provided by the present invention is provided with multiple separate air channel, respectively
Air channel is provided with fan.In use, even if some fan is damaged, also will not be to fan in other air channels
Normal work produce impact, under the effect of other fans, inside cabinet, still can carry out heat loss through convection, this cooling system still may be used
Be continuing with, thus ensure that cooling system permanent, effectively work.
Alternatively, each described air channel is equipped with check valve, and each described check valve is positioned at corresponding described fan and institute
State between the air inlet of blast pipe.
Alternatively, also including fan drawer, described fan drawer inserts in described blast pipe along the sidewall of described blast pipe
Portion, each described check valve and each described fan may be contained within described fan drawer, and described fan drawer has handle.
Alternatively, described fan drawer includes that drawer panel and drawer-bottom board, described drawer-bottom board are provided with some and each wind
The opening that road matches, each described fan and described check valve may be contained within the described opening of correspondence.
Alternatively, the area of the cross section of described blast pipe is more than the area of the cross section of described discharge pipe, described cabinet
Also include the shaped telescopic tube being located between blast pipe and described discharge pipe.
Alternatively, described blast pipe, described discharge pipe and described shaped telescopic tube are respectively provided with coplanar installation sidewall, described installation
The sidewall relative with the described installation sidewall of described discharge pipe is located in position, and described fan drawer is along the described peace with described blast pipe
The sidewall that dress sidewall is relative inserts in described blast pipe.
The present invention also provides for a kind of photovoltaic DC-to-AC converter, including inversion module and above-mentioned cooling system, described inversion module
It is located at the sidewall of the discharge pipe of described cooling system.
Owing to the cooling system of above-mentioned photovoltaic DC-to-AC converter has had as above technique effect, then use this cooling system to carry out
The photovoltaic DC-to-AC converter of heat radiation is also when possessing similar technique effect, therefore does not repeats at this.
Alternatively, for being additionally provided with between sidewall and the described inversion module of the described discharge pipe installing described inversion module
Fin.
Alternatively, described inversion module is centrally located at the axis of described blast pipe.
Alternatively, the power of described photovoltaic DC-to-AC converter is 250KW～500KW.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention of the cooling system of photovoltaic DC-to-AC converter provided by the present invention
Figure；
Fig. 2 is the structural representation during fan drawer open of the cooling system of photovoltaic DC-to-AC converter in Fig. 1.
Description of reference numerals in Fig. 1-2 is as follows:
1 cabinet, 11 blast pipes, 111 air channels, 12 discharge pipes, 13 shaped telescopic tubes, 2 inversion modules, 3 fin, 31 installing plates, 4
Fan drawer, 41 handles, 42 fans, 43 check valves, 44 drawer panels, 45 drawer-bottom boards.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, real with concrete below in conjunction with the accompanying drawings
The present invention is described in further detail to execute example.
" some " specifically described herein are that exponential quantity is uncertain multiple, usually two or more.
The one that refer to the cooling system that Fig. 1 and Fig. 2, Fig. 1 are photovoltaic DC-to-AC converter provided by the present invention is embodied as
The structural representation of mode, Fig. 2 is the structural representation during fan drawer open of the cooling system of photovoltaic DC-to-AC converter in Fig. 1.
As depicted in figs. 1 and 2, the present invention provides the cooling system of a kind of photovoltaic DC-to-AC converter, and including cabinet 1, this cabinet 1 wraps
Include the blast pipe 11 and discharge pipe 12 being interconnected.Blast pipe 11 is internal has some separate air channels 111, and each air channel
Being equipped with fan 42 in 111, the sidewall of this discharge pipe 12 is provided with the installation position of the inversion module 2 for installing photovoltaic DC-to-AC converter.
The cooling system of photovoltaic DC-to-AC converter provided by the present invention, relies primarily on the air in blast pipe 11 and discharge pipe 12
Convection current is dispelled the heat.When specific works, heat produced by inversion module 2 will pass to cabinet 1 in thermo-conducting manner, and
Blast pipe 11 part of cabinet 1 is provided with some air channels 111, and is provided with fan 42 in each air channel 111, at the work of each fan 42
Under with, generation cross-ventilation to take away the heat of cabinet 1, is carried out heat radiation than traditional dependence fin 3 by cabinet 1 inside
Radiating mode, heat loss through convection can obtain bigger radiating efficiency, and the heat-sinking capability of photovoltaic DC-to-AC converter obtains and is greatly improved.
In the specific implementation, those skilled in the art can adjust fan 42 used in each air channel 111 as required
Power, to adapt to the photovoltaic DC-to-AC converter of different capacity.The power of the fan 42 in each air channel 111 can be the most identical, it is also possible to
There is certain difference, each fan 42 all can arrange different gears, in order to staff adjusts the sky in cabinet 1 in real time
Gas velocity, and then regulation and control radiating efficiency.
Additionally, some air channels 111 are separate in the cooling system of photovoltaic DC-to-AC converter provided by the present invention, each air channel
Fan 42 it is provided with in 111.In use, even if some fan 42 is damaged, also will not be to other air channels 111
The normal work of middle fan 42 produces impact, and under the effect of other fans 42, cabinet 1 is internal still can carry out heat loss through convection, should
Cooling system may continue to use, thus ensure that cooling system permanent, effectively work.And in use, it is possible to main
Dynamic one or more fan 42 of cut out, to adjust heat loss through convection efficiency, enhances controllability and the adaptation of cooling system
Property.
Further, each air channel 111 all can be provided with check valve 43, and each check valve 43 be positioned at corresponding fan 42 with
Between the air inlet of blast pipe 11.The setting of above-mentioned check valve 43 makes gas can only enter in cabinet 1 from each air channel 111
Portion, and can not go out from each air channel 111, it is ensured that the air-tightness within cabinet 1 and the efficiency of heat loss through convection.Especially when
When a certain fan 42 is damaged or needs to cut out, although this air channel 111 corresponding to fan 42 can not carry gas in cabinet 1
Body, but under the effect of check valve 43, the gas in cabinet 1 also will not spill from this air channel 111, it is to avoid air leakage phenomena
Produce, it is ensured that the stability of cooling system work.
Should be appreciated that the quantity in above-mentioned air channel 111 is the most, the air quantity that can be generated by cabinet 1 is the biggest, radiating effect
The best.But increasing of air channel 111 quantity, also will increase the complexity of blast pipe 11 part-structure so that whole cabinet 1
Manufacturing cost be significantly increased.Factor of both comprehensive radiating effect and cost, the air channel 111 in above-mentioned blast pipe 11
Quantity is preferably two.
As in figure 2 it is shown, the cooling system of photovoltaic DC-to-AC converter provided by the present invention can also include fan drawer 4, this wind
Fan drawer 4 inserts the inside of this blast pipe 11 along the sidewall of blast pipe 11, and each check valve 43 and each fan 42 may be contained within this
In fan drawer 4, said fans drawer 4 is also provided with handle 41.Using this structure, each fan 42 and check valve 43 are equal
It is contained in the middle of fan drawer 4 so that the structure of blast pipe 11 part is the compactest；And when needing the wind in each air channel 111
Fan drawer 4 when overhauling, can directly be pulled out by fan 42 and check valve 43, can carry out each parts easily checking with
Maintenance, drastically increases the maintenance of equipment and changes efficiency.
Again referring to Fig. 2, said fans drawer 4 includes drawer panel 44 and drawer-bottom board 45, and this drawer-bottom board 45 is arranged
Some openings, the shape of each opening, size is had to match with the air channel 111 in corresponding blast pipe 11, each fan 42 and unidirectional
Valve 43 may be contained within the opening of correspondence, and when fan drawer 4 is closed, each fan 42 and check valve 43 are in
In corresponding air channel 111.
Further, the area of the cross section of above-mentioned blast pipe 11 is more than the area of the cross section of discharge pipe 12, and air intake
Shaped telescopic tube 13 it is additionally provided with between pipe 11 and discharge pipe 12.Due to the gas of blast pipe 11 suction and discharge pipe 12 expellant gas
Total amount is certain, and the cross-sectional area of discharge pipe 12 is less than the cross-sectional area of blast pipe 11 so that the gas at discharge pipe 12
Flow velocity, more than the flow velocity of gas at blast pipe 11, is more beneficial for taking away heat produced by inversion module 2.Should be appreciated that above-mentioned
Cross section refers to that blast pipe 11 or discharge pipe 12 are perpendicular to its axial cross section.
All there is coplanar installation sidewall in above-mentioned blast pipe 11, discharge pipe 12 and shaped telescopic tube 13, with Fig. 2 as visual angle, on
State and the left side wall that sidewall is cabinet 1 is installed.When specifically used, above-mentioned cooling system is entered by this coplanar installation sidewall available
Row is installed fixing, installs more convenient.
It (is right side in Fig. 2 that the inversion module 2 of photovoltaic DC-to-AC converter is arranged at the relative sidewall of sidewall of installing with discharge pipe 12
Wall), fan drawer 4 is inserted in airduct 11 along the relative sidewall of sidewall (for right side wall in Fig. 2) of installing with blast pipe 11.As
This, the installation of fan drawer 4 and inversion module 2 will not be fixed with the installation of cabinet 1 and interference, and also allows for fan drawer 4
Open and close.
The present invention also provides for a kind of photovoltaic DC-to-AC converter, including inversion module 2 and aforesaid cooling system, and this inversion module
The sidewall of 2 discharge pipes 12 being located at described cooling system.Owing to photovoltaic DC-to-AC converter provided by the present invention mainly utilizes aforesaid
Cooling system dispels the heat, the technique effect that aforesaid cooling system is had, and photovoltaic DC-to-AC converter provided by the present invention also will
Possess similar technique effect, therefore do not repeat at this.
Photovoltaic DC-to-AC converter provided by the present invention also includes fin 3, and with Fig. 1 as visual angle, inversion mould is located at by this fin 3
Between the sidewall of block 2 and discharge pipe 12, and between the sidewall of fin 3 and discharge pipe 12, it is additionally provided with installing plate 31, in order to dissipate
The backing 3 installation on the sidewall of discharge pipe 12.When specifically used, the heat that inversion module 2 produces is in thermo-conducting manner
Passing to fin 3, the heat of a portion is delivered in the middle of the air of surrounding with thermal-radiating form, separately by fin 3
A part passes to installing plate 31 and cabinet 1 in thermo-conducting manner, and then by cross-ventilated form by this part heat
Amount is taken away.Photovoltaic DC-to-AC converter provided by the present invention, comprehensively uses heat radiation, conduction of heat and three kinds of radiating modes of heat loss through convection
Dispel the heat, thus the radiating efficiency of photovoltaic DC-to-AC converter is greatly improved.Correspondingly, the power of photovoltaic DC-to-AC converter also can obtain significantly
Improving, experiment proves that, the power of photovoltaic DC-to-AC converter provided by the present invention may be configured as 250KW～500KW.
Generally, photovoltaic DC-to-AC converter provided by the present invention when installing and using, its blast pipe 11 opening down,
And discharge pipe 12 is opening up, after installation is complete, the center of inversion module 2 may be located at the axis of blast pipe 11.As
This, stablizing preferably of whole photovoltaic DC-to-AC converter, and the horizontal area of whole photovoltaic DC-to-AC converter is relatively small, structure is compacter.
Below it is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
Saying, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. the cooling system of a photovoltaic DC-to-AC converter, it is characterised in that include that cabinet (1), described cabinet (1) include being interconnected
Blast pipe (11) and discharge pipe (12), described blast pipe (11) has some separate air channels (111), each described air channel
(111) being equipped with fan (42) in, the sidewall of described discharge pipe (12) is provided with the inversion mould for installing described photovoltaic DC-to-AC converter
The installation position of block (2).
The cooling system of photovoltaic DC-to-AC converter the most according to claim 1, it is characterised in that in each described air channel (111) all
It is provided with check valve (43), and each described check valve (43) is positioned at the air intake of corresponding described fan (42) and described blast pipe (11)
Between Kou.
The cooling system of photovoltaic DC-to-AC converter the most according to claim 2, it is characterised in that also include fan drawer (4), institute
Stating fan drawer (4), to insert described blast pipe (11) along the sidewall of described blast pipe (11) internal, each described check valve (43) and
Each described fan (42) may be contained within described fan drawer (4), and described fan drawer (4) has handle (41).
The cooling system of photovoltaic DC-to-AC converter the most according to claim 3, it is characterised in that described fan drawer (4) includes
Drawer panel (44) and drawer-bottom board (45), described drawer-bottom board (45) is provided with some openings matched with each air channel (111),
Each described fan (42) and described check valve (43) may be contained within the described opening of correspondence.
5. according to the cooling system of the photovoltaic DC-to-AC converter according to any one of claim 1-4, it is characterised in that described blast pipe
(11) area of cross section is more than the area of the cross section of described discharge pipe (12), and described cabinet (1) also includes being located at air intake
Shaped telescopic tube (13) between pipe (11) and described discharge pipe (12).
The cooling system of photovoltaic DC-to-AC converter the most according to claim 5, it is characterised in that described blast pipe (11), described
Discharge pipe (12) and described shaped telescopic tube (13) are respectively provided with coplanar installation sidewall, and described installation position is located at and described discharge pipe (12)
The relative sidewall of described installation sidewall, described fan drawer (4) is along relative with the described installation sidewall of described blast pipe (11)
Sidewall insert in described blast pipe (11).
7. a photovoltaic DC-to-AC converter, including inversion module (2), it is characterised in that also include institute as any one of claim 1-6
The cooling system stated, described inversion module (2) is located at the sidewall of described discharge pipe (12).
Photovoltaic DC-to-AC converter the most according to claim 7, it is characterised in that be used for installing the described of described inversion module (2)
It is additionally provided with fin (3) between sidewall and the described inversion module (2) of discharge pipe (12).
Photovoltaic DC-to-AC converter the most according to claim 8, it is characterised in that described inversion module (2) is centrally located at described
The axis of blast pipe (11).
Photovoltaic DC-to-AC converter the most according to claim 8, it is characterised in that the power of described photovoltaic DC-to-AC converter be 250KW～
500KW。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741222.8A CN106301006A (en) | 2016-08-26 | 2016-08-26 | A kind of photovoltaic DC-to-AC converter and cooling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741222.8A CN106301006A (en) | 2016-08-26 | 2016-08-26 | A kind of photovoltaic DC-to-AC converter and cooling system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106301006A true CN106301006A (en) | 2017-01-04 |
Family
ID=57677212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610741222.8A Pending CN106301006A (en) | 2016-08-26 | 2016-08-26 | A kind of photovoltaic DC-to-AC converter and cooling system thereof |
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| Country | Link |
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| CN (1) | CN106301006A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417281A (en) * | 2019-07-05 | 2019-11-05 | 深圳市钰龙科技有限公司 | A kind of sinewave inverter charge power supply |
| CN112996343A (en) * | 2019-12-18 | 2021-06-18 | 中国移动通信集团四川有限公司 | Cabinet body heat sink and rack |
| CN113442955A (en) * | 2021-07-01 | 2021-09-28 | 中车青岛四方车辆研究所有限公司 | Tram roof inverter box |
| US11871548B2 (en) | 2021-02-19 | 2024-01-09 | Sungrow Power Supply Co., Ltd. | Cabinet air duct, cabinet assembly and photovoltaic inverter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201199768Y (en) * | 2007-12-27 | 2009-02-25 | 华为技术有限公司 | Cooling apparatus and communication apparatus |
| CN204497952U (en) * | 2014-12-15 | 2015-07-22 | 深圳市麦格米特驱动技术有限公司 | A kind of frequency transformer for elevator |
| JP2015146680A (en) * | 2014-02-03 | 2015-08-13 | 東芝シュネデール・インバータ株式会社 | Inverter device and attachment structure of fan |
| CN205142027U (en) * | 2015-11-21 | 2016-04-06 | 广州市众腾电气有限公司 | Direct current stationary flow driver |
| CN205336083U (en) * | 2015-08-28 | 2016-06-22 | 西门子公司 | Frequency converter |
| CN205986645U (en) * | 2016-08-26 | 2017-02-22 | 清源科技（厦门）股份有限公司 | Photovoltaic inverter and cooling system thereof |
-
2016
- 2016-08-26 CN CN201610741222.8A patent/CN106301006A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201199768Y (en) * | 2007-12-27 | 2009-02-25 | 华为技术有限公司 | Cooling apparatus and communication apparatus |
| JP2015146680A (en) * | 2014-02-03 | 2015-08-13 | 東芝シュネデール・インバータ株式会社 | Inverter device and attachment structure of fan |
| CN204497952U (en) * | 2014-12-15 | 2015-07-22 | 深圳市麦格米特驱动技术有限公司 | A kind of frequency transformer for elevator |
| CN205336083U (en) * | 2015-08-28 | 2016-06-22 | 西门子公司 | Frequency converter |
| CN205142027U (en) * | 2015-11-21 | 2016-04-06 | 广州市众腾电气有限公司 | Direct current stationary flow driver |
| CN205986645U (en) * | 2016-08-26 | 2017-02-22 | 清源科技（厦门）股份有限公司 | Photovoltaic inverter and cooling system thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李建钊: "《一图一解之通风空调工程施工图识读》", 31 January 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417281A (en) * | 2019-07-05 | 2019-11-05 | 深圳市钰龙科技有限公司 | A kind of sinewave inverter charge power supply |
| CN112996343A (en) * | 2019-12-18 | 2021-06-18 | 中国移动通信集团四川有限公司 | Cabinet body heat sink and rack |
| US11871548B2 (en) | 2021-02-19 | 2024-01-09 | Sungrow Power Supply Co., Ltd. | Cabinet air duct, cabinet assembly and photovoltaic inverter |
| CN113442955A (en) * | 2021-07-01 | 2021-09-28 | 中车青岛四方车辆研究所有限公司 | Tram roof inverter box |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |