CN104022659A - Photovoltaic inverter with long service life, low power consumption and zero noise - Google Patents
Photovoltaic inverter with long service life, low power consumption and zero noise Download PDFInfo
- Publication number
- CN104022659A CN104022659A CN201410272662.4A CN201410272662A CN104022659A CN 104022659 A CN104022659 A CN 104022659A CN 201410272662 A CN201410272662 A CN 201410272662A CN 104022659 A CN104022659 A CN 104022659A
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- China
- Prior art keywords
- heat
- cover plate
- dissipating cover
- service life
- ventilation hole
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Classifications
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- 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
-
- 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
-
- 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)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a photovoltaic inverter with the long service life, low power consumption and zero noise. The photovoltaic inverter with the long service life, low power consumption and zero noise comprises a shell, a circuit board and a heat dissipation cover board, wherein a first ventilation structure is arranged on the shell; the circuit board is arranged inside the shell; the heat dissipation cover board is made of aluminum materials, is fixedly installed inside the shell and is arranged above the circuit board; the heat dissipation cover board is provided with a second ventilation structure opposite to the first ventilation structure so that air convection can be carried out between the first ventilation structure and the second ventilation structure. According to the photovoltaic inverter with the long service life, low power consumption and zero noise, the heat dissipation cover board made of the aluminum materials serves as a radiator, and the photovoltaic inverter has the advantages of the long service life, low energy consumption, zero noise, low cost and the like.
Description
Technical field
The present invention relates to inverter, particularly a kind of vehicle-mounted long service life and low power consumption zero noise photovoltaic DC-to-AC converter.
Background technology
Vehicle-mounted inverter (power supply changeover device, Power Inverter) is a kind ofly DC12V direct current can be converted to the AC220V alternating current identical with civil power, for general electrical equipment, is one power supply converter for vehicle easily.Vehicle-mounted inverter abroad market is well received.Because the popularity rate of automobile is higher, go out work or out on tours are that available inverter connects storage battery drive electrical equipment and various tool work abroad.China enters after WTO, and the private vehicles in domestic market are more and more, and therefore, vehicle-mounted inverter becomes the transducer exchanging as the direct current using in movement, can bring a lot of convenience to people's life, is a kind of standing automobile-used automotive electronics harness articles for use.
Common vehicle-mounted inverter on market, generally comprise housing and be arranged at the wiring board in housing, radiator etc., in order to reach good radiating effect, the radiator of vehicle-mounted inverter all adopts radiator fan, using radiator fan as radiator, there is following defect: radiator fan is power consumption equipment, in the overall power that has increased vehicle-mounted inverter, radiator fan is limited useful life simultaneously, easily damage, in addition, radiator fan has larger noise, while use, had a strong impact on the environment in car in car, further, radiator fan cost is high, increase the holistic cost of inverter.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art, for this reason, the object of the present invention is to provide a kind of long service life and low power consumption zero noise photovoltaic DC-to-AC converter.
For achieving the above object, long service life and low power consumption zero noise photovoltaic DC-to-AC converter provided by the invention, comprises
Housing, described housing is provided with the first aeration structure;
Wiring board, described wiring board is arranged at described enclosure interior;
Heat-dissipating cover plate, it is aluminium section bar matter, described heat-dissipating cover plate is fixedly installed in described enclosure interior, and is located at the top of described wiring board; Described heat-dissipating cover plate is provided with second aeration structure relative with described the first aeration structure so that air can convection current between described the first aeration structure and the second aeration structure.
Below above-mentioned technical problem is further elaborated:
Further, on described wiring board, there is a transformer coil, described heat-dissipating cover plate comprises and is arranged side by side the first heat-dissipating cover plate and the second heat-dissipating cover plate, one end near described the second heat-dissipating cover plate on described the first heat-dissipating cover plate is provided with the first breach, one end relative with described the first breach on described the second heating panel is provided with the second breach, described the first breach and the second breach surround one with the suitable accommodating groove of described transformer coil, described transformer coil is contained in described accommodating groove.
Further, on described wiring board, have pyrotoxin, described heat-dissipating cover plate also comprises the 3rd heat-dissipating cover plate, and described the 3rd heat-dissipating cover plate correspondence is located at the top of described pyrotoxin.
Further, described housing comprises
Upper shell;
Lower house, is connected with described upper shell is detachable;
And left end cap and right end cap, described left end cap is covered on the left end of described upper shell, lower house, and described right end cap is covered on the right-hand member of described upper shell, lower house.
Further, described left end cap and right end cap are platy structure, described upper shell and lower house are " U " type structure, the madial wall correspondence at described upper shell and lower house two ends is provided with in chute, the edge correspondence of described left end cap is arranged in the chute of described upper shell and lower house left end, and the edge correspondence of described right end cap is arranged in the chute of described upper shell and lower house right-hand member.
Further, described the first aeration structure comprises the ventilation hole A that is arranged at described upper shell surface and the ventilation hole B that is arranged on described lower house lower surface.
Further, described the second aeration structure is the ventilation hole C being arranged on described heat-dissipating cover plate.
Further, described left end cap and right end cap are provided with ventilation hole D.
Further, described ventilation hole A, ventilation hole B, ventilation hole C and ventilation hole D are any in bar hole, circular port, square opening and polygonal hole.
Further, described ventilation hole A and ventilation hole B are bar hole, and described ventilation hole C and ventilation hole D are circular port, square opening or polygonal hole.
Long service life and low power consumption zero noise photovoltaic DC-to-AC converter provided by the invention, adopt the heat-dissipating cover plate of aluminium section bar matter as radiator, on the one hand because heat-dissipating cover plate does not need electricity consumption, therefore, can reduce power consumption, on the other hand, in use heat-dissipating cover plate can not produce any noise, therefore, can accomplish zero noise, ensure that the environment using meets people's requirement more, further, its cost is lower with respect to radiator fan, in addition, the second aeration structure arranging on the first aeration structure arranging on housing and heat-dissipating cover plate, can form cross-ventilation, reach identical with radiator fan or even better radiating effect.By this, inverter of the present invention, long service life, low in energy consumption, noiselessness, cost are low.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the present invention;
The assembled state figure that when Fig. 2, the upper shell of the embodiment of the present invention separates with lower house;
The stereogram of embodiment of the present invention when Fig. 3;
In figure: upper shell 10; Ventilation hole A101; Radiating ribs 102,113; Lower house 11; Chute 111; Ventilation hole B112; Left end cap 12; Right end cap 13; Ventilation hole D121,131; The first heat-dissipating cover plate 20; The first breach 201; Ventilation hole C202,212,221; The second heat-dissipating cover plate 21; The second breach 211; The 3rd heat-dissipating cover plate 22; Wiring board 30; Transformer coil 301.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Describe technical scheme of the present invention in detail below with reference to drawings and the specific embodiments, so as clearer, understand invention essence of the present invention intuitively.
Shown in Fig. 3, embodiments of the invention provide long service life and low power consumption zero noise photovoltaic DC-to-AC converter, comprise housing, wiring board 30 and heat-dissipating cover plate.
Housing is provided with the first aeration structure, for the heat of enclosure interior is spread out of.Wiring board 30 is arranged at enclosure interior, in working order the lower amount of heat that produces.Heat-dissipating cover plate is aluminium section bar matter, and this heat-dissipating cover plate is fixedly installed in enclosure interior, and is located at the top of wiring board 30, the heat discharging for absorption circuit plate 30; On heat-dissipating cover plate, be also provided with second aeration structure relative with the first aeration structure so that air can convection current between the first aeration structure and the second aeration structure.Because air can convection current between the first aeration structure and the second aeration structure, so heat-dissipating cover plate absorbs heat along with flowing of air is passed to outside rapidly, realize quick heat radiating.
According to long service life and low power consumption zero noise photovoltaic DC-to-AC converter provided by the invention, adopt the heat-dissipating cover plate of aluminium section bar matter as radiator, on the one hand because heat-dissipating cover plate does not need electricity consumption, therefore, can reduce power consumption, on the other hand, in use heat-dissipating cover plate can not produce any noise, therefore, can accomplish zero noise, ensure that the environment using meets people's requirement more, further, its cost is lower with respect to radiator fan, in addition, the second aeration structure arranging on the first aeration structure arranging on housing and heat-dissipating cover plate, can form cross-ventilation, reach identical with radiator fan or even better radiating effect.By this, inverter of the present invention, long service life, low in energy consumption, noiselessness, cost are low.
In one embodiment of the invention, on wiring board 30, there is a transformer coil 301, heat-dissipating cover plate comprises and is arranged side by side the first heat-dissipating cover plate 20 and the second heat-dissipating cover plate 21, one end near the second heat-dissipating cover plate 21 on the first heat-dissipating cover plate 20 is wherein provided with the first breach 201, on the second heating panel, one end relative with the first breach 201 is provided with the second breach 211, the first breach 201 and the second breach 211 surround one with the suitable accommodating groove of transformer coil 301, transformer coil 301 is contained in accommodating groove.So, transformer coil 301 is as the topmost thermal source on wiring board 30, heat on it can be absorbed by the first heat-dissipating cover plate 20 and the second heat-dissipating cover plate 21 rapidly, and the heat after absorption is further being passed to outside by cross-ventilated mode, reaches good radiating effect.
For the heat that the first heat-dissipating cover plate 20 and the abundant absorption circuit plate 30 of the second heat-dissipating cover plate 21 are discharged, the first heat-dissipating cover plate 20 and the second heat-dissipating cover plate 21 just can cover wiring board 30 after side by side completely, or slightly wide with respect to wiring board 30, so, more be conducive to the absorption of heat, reach radiating effect better faster.
In another embodiment of the present invention, on wiring board 30, there is pyrotoxin (other thermals source except transformer coil 301), what heat-dissipating cover plate was corresponding also comprises the 3rd heat-dissipating cover plate 22, the 3rd heat-dissipating cover plate 22 correspondences are located at the top of pyrotoxin, so, the heat of this pyrotoxin can be absorbed by the 3rd heat-dissipating cover plate 22 fast, is more further released into outside housing, promotes radiating effect.
Be understandable that, the 3rd heat-dissipating cover plate 22 can be positioned at the below of the first heat-dissipating cover plate 20, the second heat-dissipating cover plate 21, specifically can be according to the particular location setting of pyrotoxin.
In a concrete example of the present invention, housing comprises upper shell 10, lower house 11 and left end cap 12 and right end cap 13, wherein, lower house 11 and described detachable connection of upper shell 11, left end cap 12 is covered on the left end of upper shell 10, lower house 11, and right end cap 13 is covered on the right-hand member of upper shell 10, lower house 11, the housing of this structure, be convenient to assembly and disassembly, be also convenient to production and processing.
As preferably, left end cap 12 and right end cap 13 are platy structure, upper shell 10 and lower house 11 are " U " type structure, the madial wall correspondence at upper shell 10 and lower house 11 two ends is provided with in chute 111, and the edge correspondence of left end cap 12 is arranged in the chute 111 of upper shell 10 and lower house 11 left ends, and the edge correspondence of right end cap 13 is arranged in the chute 111 of upper shell 10 and lower house 11 right-hand members, so, easy to assembly, sound construction, dismounting is also convenient simultaneously.
In a preferred embodiment of the invention, the first aeration structure comprises the ventilation hole B112 that is arranged at the ventilation hole A101 on upper shell 10 surfaces and is arranged on upper shell 10 lower surfaces, so, ventilation hole A101 and ventilation hole B112 form upper and lower corresponding states, corresponding, the second aeration structure is the ventilation hole C202,212,221 being arranged on the first heat-dissipating cover plate 20, the second heat-dissipating cover plate 21 and the 3rd heat-dissipating cover plate 22.So, extraneous air can be by successively by the second aeration structure and ventilation hole B112 on ventilation hole A101, heat-dissipating cover plate, and the cross-ventilation in formation longitudinally, reaches good radiating effect.
More favorably, on left end cap 12 and right end cap 13, be also provided with ventilation hole D121,131, so, extraneous air also can enter enclosure interior by left end cap 12, flow to outside from right end cap 13 again, form cross-ventilation transversely, further improved radiating effect, this radiating effect can reach the same or even better effect of radiator fan.
As preferably, ventilation hole A101, ventilation hole B112, ventilation hole C202,212,221 and ventilation hole D121,131 be any in bar hole, circular port, square opening and polygonal hole.More preferably, ventilation hole A101 and ventilation hole B112 are bar hole, this bar hole is multiple, multiple bar holes are arranged side by side in the surface of described upper shell 10 and lower house 11, ventilation hole C202,212,221 and ventilation hole D121,131 be circular port, square opening or polygonal hole, ventilation hole C202,212,221 is multiple, and multiple circular ports, square opening or polygonal hole are uniformly distributed in the surface of the first heat-dissipating cover plate 20, the second heat-dissipating cover plate 21 and the 3rd heat-dissipating cover plate 22.Ventilation hole D121,131 is multiple, and multiple ventilation hole D121,131 are uniformly distributed in left end cap 12 and right end cap 13, and heat loss through convection better effects if is so set.
In addition, upper shell 10 is also provided with radiating ribs 102,113 with lower house 11 outer surfaces, to increase radiating effect.
To sum up, long service life and low power consumption zero noise photovoltaic DC-to-AC converter provided by the invention, adopts the heat-dissipating cover plate of aluminium section bar matter as radiator, has long service life, low in energy consumption, noiselessness, low cost and other advantages.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a long service life and low power consumption zero noise photovoltaic DC-to-AC converter, is characterized in that: comprise
Housing, described housing is provided with the first aeration structure;
Wiring board, described wiring board is arranged at described enclosure interior;
Heat-dissipating cover plate, it is aluminium section bar matter, described heat-dissipating cover plate is fixedly installed in described enclosure interior, and is located at the top of described wiring board; Described heat-dissipating cover plate is provided with second aeration structure relative with described the first aeration structure so that air can convection current between described the first aeration structure and the second aeration structure.
2. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: on described wiring board, there is a transformer coil, described heat-dissipating cover plate comprises and is arranged side by side the first heat-dissipating cover plate and the second heat-dissipating cover plate, one end near described the second heat-dissipating cover plate on described the first heat-dissipating cover plate is provided with the first breach, one end relative with described the first breach on described the second heating panel is provided with the second breach, described the first breach and the second breach surround one with the suitable accommodating groove of described transformer coil, described transformer coil is contained in described accommodating groove.
3. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 2, is characterized in that: on described wiring board, have pyrotoxin, described heat-dissipating cover plate also comprises the 3rd heat-dissipating cover plate, and described the 3rd heat-dissipating cover plate correspondence is located at the top of described pyrotoxin.
4. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 1, is characterized in that: described housing comprises
Upper shell;
Lower house, is connected with described upper shell is detachable;
And left end cap and right end cap, described left end cap is covered on the left end of described upper shell, lower house, and described right end cap is covered on the right-hand member of described upper shell, lower house.
5. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 4, it is characterized in that: described left end cap and right end cap are platy structure, described upper shell and lower house are " U " type structure, the madial wall correspondence at described upper shell and lower house two ends is provided with in chute, the edge correspondence of described left end cap is arranged in the chute of described upper shell and lower house left end, and the edge correspondence of described right end cap is arranged in the chute of described upper shell and lower house right-hand member.
6. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 4, is characterized in that: described the first aeration structure comprises the ventilation hole A that is arranged at described upper shell surface and the ventilation hole B that is arranged on described lower house lower surface.
7. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 6, is characterized in that: described the second aeration structure is the ventilation hole C being arranged on described heat-dissipating cover plate.
8. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 7, is characterized in that: described left end cap and right end cap are provided with ventilation hole D.
9. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 8, is characterized in that: described ventilation hole A, ventilation hole B, ventilation hole C and ventilation hole D are any in bar hole, circular port, square opening and polygonal hole.
10. long service life and low power consumption zero noise photovoltaic DC-to-AC converter according to claim 9, is characterized in that: described ventilation hole A and ventilation hole B are bar hole, and described ventilation hole C and ventilation hole D are circular port, square opening or polygonal hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272662.4A CN104022659A (en) | 2014-06-18 | 2014-06-18 | Photovoltaic inverter with long service life, low power consumption and zero noise |
| PCT/CN2014/095211 WO2015192633A1 (en) | 2014-06-18 | 2014-12-26 | Photovoltaic inverter having long life, low power consumption and zero noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272662.4A CN104022659A (en) | 2014-06-18 | 2014-06-18 | Photovoltaic inverter with long service life, low power consumption and zero noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104022659A true CN104022659A (en) | 2014-09-03 |
Family
ID=51439271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410272662.4A Pending CN104022659A (en) | 2014-06-18 | 2014-06-18 | Photovoltaic inverter with long service life, low power consumption and zero noise |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104022659A (en) |
| WO (1) | WO2015192633A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015192633A1 (en) * | 2014-06-18 | 2015-12-23 | 深圳市茂润电气有限公司 | Photovoltaic inverter having long life, low power consumption and zero noise |
| CN106230273A (en) * | 2016-07-29 | 2016-12-14 | 芜湖迈特电子科技有限公司 | Water-proof noise reducing vehicle-mounted inverter |
| CN111447783A (en) * | 2019-01-17 | 2020-07-24 | Ls产电株式会社 | Radiating module for inverter |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548328B (en) * | 2018-10-26 | 2024-03-22 | 安徽鑫铂铝业股份有限公司 | High-performance high-precision power supply shell aluminum profile |
| CN112104029B (en) * | 2020-09-10 | 2024-01-12 | 濮阳市立圆汽车电器有限公司 | Vehicle-mounted power inverter with waterproof function |
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| CN111447783A (en) * | 2019-01-17 | 2020-07-24 | Ls产电株式会社 | Radiating module for inverter |
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| CN111447783B (en) * | 2019-01-17 | 2022-05-17 | Ls产电株式会社 | Radiating module for inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015192633A1 (en) | 2015-12-23 |
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Address after: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Street Gang iron community Po Tin all the way on the third floor of 258 east part Applicant after: GUANGDONG BESTEK ELECTRONIC COMMERCE CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Street Gang iron community Po Tin all the way on the third floor of 258 east part Applicant before: Shenzhen Maorun Electric Co., Ltd. |
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Application publication date: 20140903 |