CN106357127A - Box-type photovoltaic inverter - Google Patents
Box-type photovoltaic inverter Download PDFInfo
- Publication number
- CN106357127A CN106357127A CN201610947547.1A CN201610947547A CN106357127A CN 106357127 A CN106357127 A CN 106357127A CN 201610947547 A CN201610947547 A CN 201610947547A CN 106357127 A CN106357127 A CN 106357127A
- Authority
- CN
- China
- Prior art keywords
- casing
- heat dissipation
- box
- dissipation pipeline
- fixedly installed
- 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.)
- Pending
Links
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
-
- 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
- H05K7/20927—Liquid coolant without phase change
-
- 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
Abstract
The invention discloses a box-type photovoltaic inverter. The box-type photovoltaic inverter comprises a heat dissipation fan, a lightning arrester, a temperature sensor, a temperature controller, a remote alarm and a heat dissipation pipeline, wherein a door handle is arranged on a front box door; a heat dissipation blind window is arranged on the bottom side of the box body; the lightning arrester is arranged in the box body, and the lightning arrester is connected with an over-voltage protector; a three-phase IGBT (Insulated Gate Bipolar Transistor) bridge is fixedly mounted at the top of an inner cavity of the box body; the controllers are fixedly mounted on an inside wall of the front box door; a rear box door is arranged at the back of the box body; a circulating pump is fixedly mounted at the bottom of the inner cavity of the box body; the circulating pump is connected with the heat dissipation pipeline; the temperature sensor is connected with the heat dissipation pipeline; and the temperature sensor is electrically connected with the temperature controller. According to the box-type photovoltaic inverter provided by the invention, the transferring of heat is enhanced through utilizing cooling liquid and a heat dissipation effect is better than that of traditional equipment; and real-time monitoring of an operation state of the inverter can be realized and the safety of system operation is improved.
Description
Technical field
The present invention relates to power transmission and transforming equipment technical field, specially box photovoltaic DC-to-AC converter.
Background technology
In photovoltaic generating system, the reliability service of photovoltaic DC-to-AC converter has important function.But current photovoltaic DC-to-AC converter
Maximum problem is the radiating of casing to be ensured, it is to avoid the components and parts in casing are caused damage.Traditional photovoltaic DC-to-AC converter
Radiating all adopt forced air cooling, such as: high power device igbt modular structure assembly and reactor assemblies are separately positioned on difference
Carry out cooling radiating, whole machine apparent size is big, and power density is little, due to using multiple blower fan materials and cabinet body structure in cupboard
So that whole machine Material Cost raises, thus leading to whole aircraft reliability to reduce, the market competitiveness also declines part.Exist high cost and
The shortcoming of radiating effect difference, so discharge difficult to reach optimum efficiency to heat.Additionally, photo-voltaic power generation station is located at human footmarks mostly
Rare outdoor zone extremely, often lacks human attendance, if inverter damages or temperature occurs extremely it is impossible to timely do source
Reason.
Content of the invention
It is an object of the invention to provide box photovoltaic DC-to-AC converter, to solve the conventional photovoltaic proposing in above-mentioned background technology
, by the way of natural heat dissipation, radiating effect is poor for inverter, and is not easy to grasp the problem of photovoltaic DC-to-AC converter running status.
For achieving the above object, the present invention provides following technical scheme: box photovoltaic DC-to-AC converter, including casing, radiation air
Fan, display screen, relay indicating light, door handle, front chamber door, leg, louvered shutter, controller, AC terminal, direct current connect
Line terminals, dc switch, alternating-current switch, spark gap, overvoltage protector, three-phase igbt bridge, temperature sensor, temperature controller,
Long-distance alarm apparatus, rear chamber door, circulating pump and heat dissipation pipeline, the bottom of described casing is provided with leg, described display screen fixed installation
On front chamber door, and the lower section of display screen is provided with relay indicating light, and described front chamber door is provided with door handle, the bottom side of described casing
It is provided with louvered shutter, the intracavity bottom of described casing is provided with AC terminal and direct current binding post, described exchange wiring
The top of terminal and direct current binding post is respectively equipped with alternating-current switch and dc switch, and the inside of described casing is provided with spark gap,
And spark gap is connected with overvoltage protector, described three-phase igbt bridge is fixedly installed in the inner cavity top of casing, described controller
It is fixedly installed on front chamber door medial wall, the back of described casing is provided with rear chamber door, and described circulating pump is fixedly installed in casing
Intracavity bottom, and circulating pump is connected with heat dissipation pipeline, described temperature sensor is connected with heat dissipation pipeline, described temperature sensing
Device is electrically connected with temperature controller.
Preferably, described heat dissipation pipeline is fixedly installed in the inner chamber back of casing.
Preferably, it is filled with glycol-cooled liquid inside described heat dissipation pipeline.
Preferably, the inside of described casing is provided with long-distance alarm apparatus, and long-distance alarm apparatus are connected with temperature controller.
Preferably, described radiator fan is fixedly installed in the top of casing, and radiator fan is connected with the inside of casing.
Compared with prior art, the invention has the beneficial effects as follows: this box photovoltaic DC-to-AC converter can be by inverter internal power
The heat transfer of element, on heat dissipation pipeline, is filled with glycol-cooled liquid inside heat dissipation pipeline, and passes through temperature controller
The flowing of intelligent control cooling channel interior glycol-cooled liquid, when temperature is too high, temperature sensor will detect temperature
Degree information, and temperature information is delivered to temperature controller, temperature controller controls circulating pump and radiator fan to start, by adding
The mode of the circulation of fast glycol-cooled liquid and inner air circulation is realized lowering the temperature, and the inside of casing is provided with long-distance alarm apparatus, and
Long-distance alarm apparatus are connected with temperature controller, if temperature continues to raise, long-distance alarm apparatus pass information on duty in time
Staff, to handle it in time, radiator fan is fixedly installed in the top of casing, and the inside of radiator fan and casing
It is connected, the heat of box house can preferably be transmitted, and radiator fan is located at the mode of side better than conventional inverter.
Brief description
Fig. 1 is external structure schematic diagram of the present invention；
Fig. 2 is internal power component arrangement structure schematic diagram of the present invention；
Fig. 3 is cooling system structure schematic diagram of the present invention.
In figure: 1, casing, 2, radiator fan, 3, display screen, 4, relay indicating light, 5, door handle, 6, front chamber door, 7,
Foot, 8, louvered shutter, 9, controller, 10, AC terminal, 11, direct current binding post, 12, dc switch, 13, exchange
Switch, 14, spark gap, 15, overvoltage protector, 16, three-phase igbt bridge, 17, temperature sensor, 18, temperature controller, 19, remote
Journey alarm, 20, rear chamber door, 21, circulating pump, 22, heat dissipation pipeline.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-3, the present invention provides a kind of technical scheme: box photovoltaic DC-to-AC converter, including casing 1, radiator fan
2nd, display screen 3, relay indicating light 4, door handle 5, front chamber door 6, leg 7, louvered shutter 8, controller 9, AC terminal
10th, direct current binding post 11, dc switch 12, alternating-current switch 13, spark gap 14, overvoltage protector 15, three-phase igbt bridge 16, temperature
Degree sensor 17, temperature controller 18, long-distance alarm apparatus 19, rear chamber door 20, circulating pump 21 and heat dissipation pipeline 22, the bottom of casing 1
Portion is provided with leg 7, and radiator fan 2 is fixedly installed in the top of casing 1, and radiator fan 2 is connected with the inside of casing 1, heat
Amount can be communicated up naturally, is conducive to accelerating the conduction of heat, display screen 3 is fixedly installed on front chamber door 6, and display screen 3
Lower section be provided with relay indicating light 4, front chamber door 6 is provided with door handle 5, and the bottom side of casing 1 is provided with louvered shutter 8, cold air
Enter inside casing 1 from louvered shutter 8, then, flowed out from the top of casing 1 by the drive of radiator fan 2, by heat band
Walk, the intracavity bottom of casing 1 is provided with AC terminal 10 and direct current binding post 11, AC terminal 10 and direct current wiring
The top of terminal 11 is respectively equipped with alternating-current switch 13 and dc switch 12, and the inside of casing 1 is provided with spark gap 14, and spark gap 14
It is connected with overvoltage protector 15, prevent the photovoltaic DC-to-AC converter being located at open air to be struck by lightning, three-phase igbt bridge 16 is fixedly installed in
The inner cavity top of casing 1, controller 9 is fixedly installed on front chamber door 6 medial wall, and the back of casing 1 is provided with rear chamber door 20, circulation
Pump 21 is fixedly installed in the intracavity bottom of casing 1, and circulating pump 21 is connected with heat dissipation pipeline 22, and heat dissipation pipeline 22 fixedly mounts
In the inner chamber back of casing 1, inside heat dissipation pipeline 22, it is filled with glycol-cooled liquid, drive heat to add by the flowing of ethylene glycol
Speed transmission, good heat dissipation effect, temperature sensor 17 is connected with heat dissipation pipeline 22, and temperature sensor 17 is electric with temperature controller 18
Property connect, the inside of casing 1 is provided with long-distance alarm apparatus 19, and long-distance alarm apparatus 19 are associated with temperature controller 18, if temperature
Continue to raise, long-distance alarm apparatus 19 pass information to staff on duty in time, to handle it in time.
Operation principle: the back of this box photovoltaic DC-to-AC converter is provided with heat dissipation pipeline 22, the internal each power component of casing 1 produces
Heat transfer on heat dissipation pipeline 22, be filled with glycol-cooled liquid inside heat dissipation pipeline 22, and pass through temperature controller
The flowing of the internal glycol-cooled liquid of 18 intelligent control cooling pipeline 22, when temperature is too high, temperature sensor 17 detects
To temperature information, and temperature information is delivered to temperature controller 18, after temperature controller 18 receives this temperature signal, controls
Circulating pump 21 and radiator fan 2 start, and realize dropping by way of the circulation and inner air of accelerating glycol-cooled liquid are circulated
Temperature, radiator fan 2 is fixedly installed in the top of casing 1, and radiator fan 2 is connected with the inside of casing 1, and heat can be naturally
It is communicated up, is conducive to accelerating the conduction of heat, the inside of casing 1 is provided with long-distance alarm apparatus 19, staff can be using movement
Equipment is attached with this long-distance alarm apparatus 19, and this long-distance alarm apparatus 19 is associated with temperature controller 18, if temperature continues to rise
Height, after temperature sensor 17 senses, this signal is fed back to temperature controller 18, temperature controller 18 transmits the signal to far
Journey alarm 19, long-distance alarm apparatus 19 pass information to staff on duty in time, to make respective handling in time.
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art,
It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are carried out etc.
With replacement, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in this
Within the protection domain of invention.
Claims (5)
1. box photovoltaic DC-to-AC converter, including casing (1), radiator fan (2), display screen (3), relay indicating light (4), door handle
(5), front chamber door (6), leg (7), louvered shutter (8), controller (9), AC terminal (10), direct current binding post
(11), dc switch (12), alternating-current switch (13), spark gap (14), overvoltage protector (15), three-phase igbt bridge (16), temperature
Sensor (17), temperature controller (18), long-distance alarm apparatus (19), rear chamber door (20), circulating pump (21) and heat dissipation pipeline (22),
It is characterized in that: the bottom of described casing (1) is provided with leg (7), and described display screen (3) is fixedly installed on front chamber door (6), and
The lower section of display screen (3) is provided with relay indicating light (4), and described front chamber door (6) is provided with door handle (5), the bottom of described casing (1)
Side is provided with louvered shutter (8), and the intracavity bottom of described casing (1) is provided with AC terminal (10) and direct current binding post
(11), the top of described AC terminal (10) and direct current binding post (11) is respectively equipped with alternating-current switch (13) and direct current is opened
Close (12), the inside of described casing (1) is provided with spark gap (14), and spark gap (14) is connected with overvoltage protector (15), institute
State the inner cavity top that three-phase igbt bridge (16) is fixedly installed in casing (1), described controller (9) is fixedly installed in front chamber door (6)
On medial wall, the back of described casing (1) is provided with rear chamber door (20), and described circulating pump (21) is fixedly installed in the interior of casing (1)
Bottom of chamber portion, and circulating pump (21) is connected with heat dissipation pipeline (22), described temperature sensor (17) is connected with heat dissipation pipeline (22)
Connect, described temperature sensor (17) is electrically connected with temperature controller (18).
2. box photovoltaic DC-to-AC converter according to claim 1 it is characterised in that: described heat dissipation pipeline (22) is fixedly installed in
The inner chamber back of casing (1).
3. box photovoltaic DC-to-AC converter according to claim 1 it is characterised in that: is filled with inside described heat dissipation pipeline (22)
Glycol-cooled liquid.
4. box photovoltaic DC-to-AC converter according to claim 1 it is characterised in that: the inside of described casing (1) is provided with remotely
Alarm (19), and long-distance alarm apparatus (19) are connected with temperature controller (18).
5. box photovoltaic DC-to-AC converter according to claim 1 it is characterised in that: described radiator fan (2) is fixedly installed in
The top of casing (1), and radiator fan (2) is connected with the inside of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947547.1A CN106357127A (en) | 2016-10-26 | 2016-10-26 | Box-type photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947547.1A CN106357127A (en) | 2016-10-26 | 2016-10-26 | Box-type photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106357127A true CN106357127A (en) | 2017-01-25 |
Family
ID=57864518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610947547.1A Pending CN106357127A (en) | 2016-10-26 | 2016-10-26 | Box-type photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106357127A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951086A (en) * | 2019-03-06 | 2019-06-28 | 泉州台商投资区长芳设计有限公司 | A kind of reserve battery inverter with break prompt in isolated island protection |
| CN111988967A (en) * | 2020-08-31 | 2020-11-24 | 扬州冠中电力设备有限公司 | Photovoltaic inverter heat dissipation structure and method thereof |
| CN117177533A (en) * | 2023-08-31 | 2023-12-05 | 南通索能新能源科技有限公司 | Solar inverter |
-
2016
- 2016-10-26 CN CN201610947547.1A patent/CN106357127A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951086A (en) * | 2019-03-06 | 2019-06-28 | 泉州台商投资区长芳设计有限公司 | A kind of reserve battery inverter with break prompt in isolated island protection |
| CN111988967A (en) * | 2020-08-31 | 2020-11-24 | 扬州冠中电力设备有限公司 | Photovoltaic inverter heat dissipation structure and method thereof |
| CN117177533A (en) * | 2023-08-31 | 2023-12-05 | 南通索能新能源科技有限公司 | Solar inverter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |