CN203645555U - Solar photovoltaic power generation system and inverter thereof - Google Patents
Solar photovoltaic power generation system and inverter thereof Download PDFInfo
- Publication number
- CN203645555U CN203645555U CN201320751117.4U CN201320751117U CN203645555U CN 203645555 U CN203645555 U CN 203645555U CN 201320751117 U CN201320751117 U CN 201320751117U CN 203645555 U CN203645555 U CN 203645555U
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- 238000010248 power generation Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims description 18
- 230000005855 radiation Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Inverter Devices (AREA)
Abstract
The utility model discloses a solar photovoltaic power generation system and an inverter thereof. The inverter comprises a cabinet, a circuit module, a radiator, and heating functional elements. The cabinet comprises at least a first branch cabinet body, a second branch cabinet body, and a third branch cabinet body. The bottom of the first branch cabinet body and the bottom of the third branch cabinet body are connected in a clung manner and comprises through holes mutually communicated. The radiator is installed inside the third branch cabinet body. The circuit module is installed inside the first branch cabinet body and clings to the cold end of the radiator via the through hole. The heating functional elements are installed inside the second branch cabinet body and are electrically connected with the circuit module. Compared with those of a product in the prior art, the circuit module, the radiator, the heating functional elements of the inverter are respectively installed in independent branch cabinet bodies so as to be prevented from forming mutual heat radiation. Therefore, the integral heat-dissipating performance of the inverter is optimized such that the work efficiency of the inverter is improved and the service life of the inverter is guaranteed.
Description
Technical field
The utility model relates to inverter technology field, particularly a kind of solar photovoltaic generation system and inverter thereof.
Background technology
The power adjusting device that inverter is made up of semiconductor device, is mainly used in converting tributary electric power to alternating electromotive force.
Inverter mainly comprises cabinet, circuit module, radiator, transformer and/or reactor.Wherein, circuit module is generally made up of boost loop and inversion bridge type return, the loop of boosting is controlled required tributary voltage the tributary boost in voltage of solar cell to inverter output, inversion bridge type return changes into the direct voltage after boosting etc. the alternating voltage of conventional frequency, transformer is for regulating the height of the rear alternating voltage of conversion, so that the needs of its realistic use, radiator is for dispelling the heat to circuit module, to guarantee the normal work of circuit module.
Said elements is all placed in cabinet under normal circumstances, because transformer, reactor and radiator are heater element, the heat accumulation that these heater elements produce cannot be discharged in time in box body, by thermal radiation mutually between three, causes inverter normally to work or scaling loss like this.
In view of this, those skilled in the art are urgently optimized the structure of existing inverter, to solve because of thermal radiation mutually between heating function element, circuit module and radiator three, cause inverter operating efficiency to reduce the even problem of scaling loss.
Utility model content
For above-mentioned defect, core object of the present utility model is, a kind of inverter is provided, and to solve because of the mutual thermal radiation between circuit module, heating function element and radiator in inverter, causes inverter operating efficiency to reduce the even problem of scaling loss.On this basis, the utility model also provides a kind of solar photovoltaic generation system that comprises above-mentioned inverter.
A kind of inverter provided by the utility model, comprise cabinet, circuit module, radiator and heating function element, described radiator is used to described circuit module heat radiation, it is characterized in that, described cabinet at least comprises first point of casing, second point of casing and the 3rd point of casing, at the bottom of the case of described first point of casing with at the bottom of the case of described the 3rd point of casing, fit and be connected and there is the through hole being interconnected, described radiator is installed in described the 3rd point of casing, described circuit module is installed in described first point of casing and fits by the cold junction of described through hole and described radiator, described heating function element is installed in described second point of casing and is electrically connected with described circuit module.
Preferably, described second point of casing also comprises wind-cooling heat dissipating system, and described wind-cooling heat dissipating system comprises at least one second louvre and at least one fan, and described fan and described louvre are arranged at respectively the opposing sidewalls of described second point of casing.
Preferably, described fan and described louvre are arranged at respectively the opposing sidewalls of described second point of casing.
Preferably, described the 3rd point of casing also comprises wind-cooling heat dissipating system, and described wind-cooling heat dissipating system comprises at least one louvre and at least one fan, and described fan and described louvre are arranged at respectively the opposing sidewalls of described the 3rd part of casing.
Preferably, described fan and described louvre are arranged at respectively the opposing sidewalls of described second point of casing.
Preferably, described heating function element is installed on described second point of casing, at the bottom of the case of described second point of casing and at the bottom of the case of described first point of casing, posts and fixes connection.
Preferably, the IP degree of protection of described first point of casing is higher than described second point of casing and described the 3rd point of casing.
Preferably, described heating function element comprises transformer or/and reactor (with regard to reactor).
Inverter provided by the utility model, comprise cabinet, circuit module (making circuit module into), radiator and heating function element, radiator is used to circuit module heat radiation, cabinet at least comprises first point of casing, second point of casing and the 3rd point of casing, at the bottom of the case of first point of casing with at the bottom of the case of the 3rd point of casing, fit and be connected and there is the through hole being interconnected, radiator is installed in the 3rd point of casing, circuit module is installed in first point of casing and fits by the cold junction of through hole and radiator, heating function element is installed in second point of casing and is electrically connected with circuit module.
Compared with prior art, this programme is installed on circuit module, radiator and heating function element respectively and independently divides in casing, avoid between three thermal radiation mutually, optimized the heat dispersion of inverter entirety, thereby improved its operating efficiency, guaranteed its useful life.
In another preferred version of the present utility model, second point of casing of above-mentioned inverter also comprises wind-cooling heat dissipating system, and wind-cooling heat dissipating system comprises at least one louvre and at least one fan, and fan and louvre are arranged at respectively the opposing sidewalls of second point of casing.
This programme is by arranging wind-cooling heat dissipating system at second point of casing, under fan effect, hot-air in second point of casing is discharged via louvre, and outside cold airflow is constantly inputted in casing, avoid reducing because thermal-arrest in second point of casing makes heating function element operating efficiency, the even generation of burning problems, thus useful life of inverter further extended.
The utility model also provides a kind of solar photovoltaic generation system, comprise solar photovoltaic assembly, terminal box and inverter, wherein, terminal box is installed on the backboard of solar photovoltaic assembly, the electric signal input end of inverter is connected with the electrical signal of terminal box, and inverter is the inverter of structure as detailed above.
Because above-mentioned inverter has technique effect as above, therefore, comprise that the solar photovoltaic generation system of this inverter also should have identical technique effect, do not repeat them here.
Accompanying drawing explanation
Fig. 1 shows the utility model provides the Facad structure schematic diagram of inversion case;
Fig. 2 shows the Facad structure schematic diagram of the case of inversion shown in Fig. 1 (removing front case lid);
Fig. 3 shows the structure schematic diagram of the case of inversion shown in Fig. 1;
Fig. 4 shows the structure schematic diagram of inverter shown in Fig. 3 (removing back side case lid);
Fig. 5 shows the decomposition texture schematic diagram of cabinet shown in Fig. 2;
Fig. 6 shows the structural representation of the assembly of cabinet shown in Fig. 5;
Corresponding relation in Fig. 1 to Fig. 6 between Reference numeral and all parts title:
1 cabinet, 11 first points of casings, 12 second points of casings, 121 first louvres, 13 the 3rd points of casings, 131 second louvres, 2 circuit modules, 3 radiators, 4 heating function elements, 5 fans.
Embodiment
Core of the present utility model is, a kind of inverter is provided, by circuit module, radiator and heating function element are installed on and are independently divided in casing, to avoid the thermal-radiating problem of mutual formation between three.On this basis, the utility model also provides a kind of solar photovoltaic generation system that comprises above-mentioned inverter.
The concrete structure schematic diagram of inverter provided by the utility model is described now by reference to the accompanying drawings.It should be noted that, the related noun of locality " front ", " back side " are that therefore the above-mentioned noun of locality does not limit protection range of the present utility model to set as " front " as benchmark towards reader's one side in accompanying drawing herein.In addition, " heating function element " mentioned herein is specially transformer and/or reactor, is appreciated that this " heating function element " also can refer to contained other of inverter and can produce in the course of the work the function element of heat.
Refer to Fig. 2 and Fig. 4, wherein Fig. 2 shows the Facad structure schematic diagram of the case of inversion shown in Fig. 1 (removing front case lid), and Fig. 4 shows the structure schematic diagram of inverter shown in Fig. 3 (removing back side case lid).
As shown in Figure 2 and Figure 4, the inverter that this programme provides comprises cabinet 1, circuit module 2, radiator 3 and heating function element 4, and wherein, radiator 3 is for cooling circuit module 2.Cabinet 1 comprises first point of casing 11, second point of casing 12 and the 3rd point of casing 13, at the bottom of the case of first point of casing 11 with at the bottom of the case of the 3rd point of casing 13, fit and be connected and there is the through hole (not shown) being interconnected, radiator 3 is installed in the 3rd point of casing 13, circuit module 2 is installed in first point of casing 11 and fits by the cold junction of through hole and radiator 3, and heating function element 4 is installed in second point of casing and is electrically connected with circuit module.For the ease of understanding the overall structure of inverter, please also refer to Fig. 1, Fig. 3, Fig. 5 and Fig. 6, wherein, Fig. 1 shows the utility model provides the Facad structure schematic diagram of inversion case, Fig. 3 shows the structure schematic diagram of the case of inversion shown in Fig. 1, Fig. 5 shows the decomposition texture schematic diagram of cabinet shown in Fig. 2, and Fig. 6 shows the structural representation of the assembly of cabinet shown in Fig. 5.
Compared with prior art, this programme is installed on circuit module 2, radiator 3 and heating function element 4 respectively and independently divides in casing, avoids thermal radiation mutually between three, has optimized the heat dispersion of inverter entirety, thereby improve its operating efficiency, guaranteed its useful life simultaneously.
It should be noted that, first point of casing in this programme 11, second point of casing 12 and the 3rd point of casing 13 include casing main body and case lid, and case lid and casing main body removably connect by bolt assembly.Be appreciated that and meeting on the basis that the function of accommodating respective functional elements, processing and assembly technology require, second point of casing 12 and/or the 3rd point of casing 13 are Open architecture or tower structure.
In addition, as shown in Figure 4, second point of casing 12 also comprises wind-cooling heat dissipating system, and wind-cooling heat dissipating system comprises 121 and 2 fans 5 of multiple the first louvres, and fan 5 and the first louvre 121 are arranged at respectively the opposing sidewalls of second point of casing 12.Equally, the 3rd point of casing 13 also comprises wind-cooling heat dissipating system, and wind-cooling heat dissipating system comprises 131 and 2 fans 5 of multiple the second louvres, and fan 5 and the second louvre 131 are arranged at respectively the opposing sidewalls of second point of casing 12.For the ease of understanding the concrete structure of second point of casing 12 and the 3rd point of casing 13, please also refer to Fig. 5.
This programme is by arranging wind-cooling heat dissipating system at second point of casing 12, under fan 5 effects, second point of casing 12 and/or the 3rd point of interior hot-air of casing 13 are discharged via louvre, and outside cold airflow is constantly inputted in casing, avoid because of second point of casing 13 and/or the 3rd point of interior thermal-arrest of casing 13, heating function element 4 and/or radiator 3 operating efficiencies being reduced, the even generation of burning problems, thus useful life of inverter further extended.
It should be noted that, meeting on the basis of inverter integral heat sink functional requirement, in scheme, also can only in second point of casing 12 or the 3rd point of casing 13, above-mentioned wind-cooling heat dissipating system be set.In addition, in this programme, the concrete number of louvre and fan 5 is determined according to the actual power of inverter and structure, and therefore, the concrete quantity of louvre and fan 5 does not limit the protection range of this programme.As previously mentioned, preferably, this programme fan 5 and louvre are located in the opposing sidewalls of the 3rd point of casing 13 of second point of casing 12/, more page is smooth, radiating effect is better can to make so the interior gas flow of casing, be appreciated that and meeting on the basis of heat sinking function, processing and assembly technology requirement, fan and louvre also can be arranged at other positions of corresponding casing.
Additionally, in this programme, cabinet specifically comprises three points of casings, is appreciated that according to the actual quantity of heating function element in inverter, and the quantity of point casing also can be other numerical value that are greater than three.
In addition, as shown in Figure 1, at the bottom of heating function element 4 is installed on the case of 12, the second points of casings 12 of second point of casing and at the bottom of the case of first point of casing 11, post and fix connection.This programme is by being fixedly connected on second point of casing 12 on first point of casing 11, makes inverter overall structure comparatively compact and be convenient to transportation.Be appreciated that satisfied and realize on the basis of functional requirement separately, processing and assembly technology requirement, first point of casing 11 and second point of casing 12 split setting independently of one another.
Further, because circuit module 2 requires harsher to operational environment, conventionally need to prevent dust and anti-wet process, in order to ensure circuit module 2 its job security and reliabilities, and avoid carrying out the processing of higher IP degree of protection because of all points of casings of cabinet 1, and causing inverter holistic cost too high, the IP degree of protection of first point of casing 11 in this programme is higher than second point of casing 12 and the 3rd point of casing 13.
Except above-mentioned inverter, the utility model also provides a kind of solar photovoltaic generation system, this system comprises solar photovoltaic assembly, terminal box and inverter, wherein, terminal box is installed on the backboard of solar photovoltaic assembly, the electric signal input end of inverter is connected with the electrical signal of terminal box, and inverter is the inverter of structure as detailed above.Be appreciated that this solar photovoltaic generation system internal functional elements of formation is identical with prior art, those skilled in the art can realize based on prior art, therefore do not repeat them here.
The foregoing is only preferred implementation of the present utility model, do not form the restriction to the utility model protection range.Any any modification of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection range of the present utility model.
Claims (9)
1. an inverter, comprise cabinet (1), circuit module (2), radiator (3) and heating function element (4), it is characterized in that, described cabinet (1) at least comprises first point of casing (11), second point of casing (12) and the 3rd point of casing (13), at the bottom of the case of described first point of casing (11) with at the bottom of the case of described the 3rd point of casing (13), fit and be connected and there is the through hole being interconnected, described radiator (3) is installed in described the 3rd point of casing (13), described circuit module (2) is installed in described first point of casing (11) and fits by the cold junction of described through hole and described radiator (3), described heating function element (4) is installed in described second point of casing (12) and is electrically connected with described circuit module (2).
2. inverter according to claim 1, it is characterized in that, described second point of casing (12) also comprises wind-cooling heat dissipating system, described wind-cooling heat dissipating system comprises at least one the second louvre (121) and at least one fan (5), and described fan (5) and described louvre (121) are arranged at respectively the sidewall of described second point of casing (12).
3. inverter according to claim 2, is characterized in that, described fan (5) and described louvre (121) are arranged at respectively the opposing sidewalls of described second point of casing (12).
4. inverter according to claim 1, it is characterized in that, described the 3rd point of casing (13) also comprises wind-cooling heat dissipating system, described wind-cooling heat dissipating system comprises at least one louvre (131) and at least one fan (5), and described fan (5) and described louvre (131) are arranged at respectively the sidewall of described the 3rd part of casing (13).
5. inverter according to claim 4, is characterized in that, described fan (5) and described louvre (131) are arranged at respectively the opposing sidewalls of described the 3rd point of casing (13).
6. according to the inverter described in any one in claim 1 to 5, it is characterized in that, described heating function element (4) is installed on described second point of casing (12), at the bottom of the case of described second point of casing (12) and at the bottom of the case of described first point of casing (11), posts and fixes connection.
7. according to the inverter described in any one in claim 1 to 5, it is characterized in that, the IP degree of protection of described first point of casing (11) is higher than described second point of casing (12) and described the 3rd point of casing (13).
8. according to the inverter described in any one in claim 1 to 5, it is characterized in that, described heating function element (4) comprises transformer or/and reactor.
9. a solar photovoltaic generation system, comprise solar photovoltaic assembly, terminal box and inverter, described terminal box is fixedly connected on described back panel of solar photovoltaic module, the electric signal input end of described inverter is connected with the electrical signal of described terminal box, it is characterized in that, described inverter is specially the inverter as described in any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751117.4U CN203645555U (en) | 2013-11-22 | 2013-11-22 | Solar photovoltaic power generation system and inverter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751117.4U CN203645555U (en) | 2013-11-22 | 2013-11-22 | Solar photovoltaic power generation system and inverter thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645555U true CN203645555U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320751117.4U Expired - Lifetime CN203645555U (en) | 2013-11-22 | 2013-11-22 | Solar photovoltaic power generation system and inverter thereof |
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| CN (1) | CN203645555U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413352A (en) * | 2016-11-30 | 2017-02-15 | 合肥源擎电气科技有限公司 | Wall-mounted heat radiation device of high-power off-grid photovoltaic controller |
| CN106612596A (en) * | 2015-10-27 | 2017-05-03 | 研祥智能科技股份有限公司 | Split partition-type case and electronic equipment with split partition-type case |
| CN110352633A (en) * | 2017-03-03 | 2019-10-18 | Ls产电株式会社 | DC-to-AC converter |
| CN111525819A (en) * | 2020-03-31 | 2020-08-11 | 华为技术有限公司 | Inverter, interconnection system of inverter and transformer and box-type substation |
-
2013
- 2013-11-22 CN CN201320751117.4U patent/CN203645555U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612596A (en) * | 2015-10-27 | 2017-05-03 | 研祥智能科技股份有限公司 | Split partition-type case and electronic equipment with split partition-type case |
| CN106413352A (en) * | 2016-11-30 | 2017-02-15 | 合肥源擎电气科技有限公司 | Wall-mounted heat radiation device of high-power off-grid photovoltaic controller |
| CN110352633A (en) * | 2017-03-03 | 2019-10-18 | Ls产电株式会社 | DC-to-AC converter |
| US10798853B2 (en) | 2017-03-03 | 2020-10-06 | Lsis Co., Ltd. | Inverter device to achieve improved heat dissipation efficiency |
| CN110352633B (en) * | 2017-03-03 | 2020-11-20 | Ls产电株式会社 | Inverter device |
| CN111525819A (en) * | 2020-03-31 | 2020-08-11 | 华为技术有限公司 | Inverter, interconnection system of inverter and transformer and box-type substation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |