CN203055944U - Photovoltaic junction box with high heat radiation performance - Google Patents
Photovoltaic junction box with high heat radiation performance Download PDFInfo
- Publication number
- CN203055944U CN203055944U CN2012206895115U CN201220689511U CN203055944U CN 203055944 U CN203055944 U CN 203055944U CN 2012206895115 U CN2012206895115 U CN 2012206895115U CN 201220689511 U CN201220689511 U CN 201220689511U CN 203055944 U CN203055944 U CN 203055944U
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- CN
- China
- Prior art keywords
- box
- mounting panel
- photovoltaic junction
- main body
- installation plate
- 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.)
- Withdrawn - After Issue
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic junction box with high heat radiation performance, comprising a bottom box, an upper cover and a waterproof ring between the two. An installation plate is fixed in the bottom box, wherein terminals, triangular reeds and diodes are fixed on the installation plate. A first main body plane where each terminal is connected with the installation plate is vertical to the bottom surface of the installation plate; and the bottom surface of the installation plate and the bottom surface are positioned in different horizontal planes. A convection chamber is opened in the bottom surface of the bottom box which is under the installation plate, and heat radiating grooves are opened in the edge of the convection chamber, wherein the other end of each heat radiating groove is connected with a reflux hole, and a baffle strip is fixed in the other side of the heat radiating groove opposite to the reflux hole. According to the utility model, the terminals vertically contact with the installation plate, thereby reducing the contact area, and avoiding that heat is transferred to the installation plate rapidly; and the convection chamber is opened in the bottom box to form a step difference between the bottom surface of the bottom box and the installation plate, and the heat radiating grooves, reflux hole and baffle plate are processed in the bottom box so that the heat returns to the photovoltaic junction box, thereby forming cross-ventilation, and enabling heat radiation and cooling.
Description
Technical field
The utility model relates to field of photovoltaic power generation, relates in particular to a kind of photovoltaic junction box with high heat dispersion that is applied in the photovoltaic generating system.
Background technology
Application number is the mounting structure that 201110259776.1 Chinese patent application specification discloses a kind of photovoltaic junction box splicing ear.The deficiency that this design exists is, the installed surface of terminal wherein closely contacts with the mounting panel bottom surface, be transmitted to the heat of terminal on the mounting panel rapidly, and mounting panel bottom surface and photovoltaic junction box bottom surface also fit tightly, more heat is transmitted to rapidly on the box body, therefore is difficult to reach better heat radiating effect.
The utility model content
The purpose of this utility model is to provide a kind of photovoltaic junction box with high heat dispersion, not only is convenient to the automation I﹠ M, also is conducive to cross-ventilation, and radiating and cooling has higher reliability.
The technical solution of the utility model is as follows:
A kind of photovoltaic junction box with high heat dispersion comprises the end box and loam cake and the water proof ring between the two that cover mutually, in the box of the described end mounting panel is arranged fixedly, and a plurality of terminals, triangle jump ring and diode are fixedly arranged on the described mounting panel; Described triangle jump ring is installed on each terminal, and described diode is installed between the terminals of adjacent; It is characterized in that: the first main body plane that described terminal is connected with mounting panel is perpendicular to the bottom surface of mounting panel; The second main body plane of described terminal is parallel with the bottom surface; The 3rd main body plane of described terminal is vertical with the bottom surface; The described second main body plane places the central region between bottom surface and the loam cake.
Its further technical scheme is: after described mounting panel was assemblied in the end box, the bottom surface of mounting panel was on the different horizontal planes with the bottom surface of end box, had the convection current chamber on the box bottom surface, the end of described mounting panel below.
Its further technical scheme is: have a plurality of radiating grooves that connect the convection current chamber in the convection current cavity edge on the box bottom surface, the described end, the other end of described radiating groove connects the return port that is opened on the box bottom surface, the end, and described return port fixedly has the blend stop that protrudes box bottom surface, the end with respect to the opposite side of radiating groove.
Its further technical scheme is: the first main body plane of described terminal is provided with the fixture block of inclination laterally, and described mounting panel is provided with the grab perpendicular to the mounting panel bottom surface; When terminal and mounting panel assembling, described fixture block matches with grab, and the first main body plane does not contact with grab.
Its further technical scheme is: described mounting panel edge is provided with the fixture block of inclination laterally, and box of the described end is provided with the grab perpendicular to box bottom surface, the end; When the box-packed timing of mounting panel and the end, described fixture block matches with grab, and the mating surface of fixture block and grab is not parallel to each other.
Its further technical scheme is: described upper interior surface middle part caves inward.
Useful technique effect of the present utility model is:
The utility model has reduced contact area by changing terminal into vertical the contact with the plane contact of mounting panel, has avoided heat to be transmitted on the mounting panel fast; By offering the convection current chamber at end box, it is poor to make box bottom surface, the end and mounting panel directly form shoulder height, and by radiating groove, return port, the blend stop of processing on the end box heat is back in the photovoltaic junction box, forms cross-ventilation, plays the effect of radiating and cooling.The design that the upper interior surface middle part caves inward has effectively increased the photovoltaic junction box inner space, also is conducive to the raising of heat dispersion.
The aspect that the utility model is additional and advantage provide in the embodiment description partly below, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Fig. 1 is exploded view of the present utility model.
Fig. 2 is mounted inside figure of the present utility model.
Fig. 3 is chart at the bottom of of the present utility model.
Fig. 4 is the structure chart of terminal in the utility model.
Fig. 5 is the structure chart of mounting panel in the utility model.
Fig. 6 is the structure chart of end box in the utility model.
Fig. 7 is the structure chart of loam cake in the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
As shown in Figure 1 and Figure 2, the utility model comprises end box 3 and the loam cake 2 that covers mutually, between end box 3 and the loam cake 2 water proof ring 1 is installed.Box 3 internal fixation in the end have a mounting panel 4, and a plurality of difform terminals 5, a plurality of triangle jump rings 6 and a plurality of diode 7 are fixedly arranged on this mounting panel 4.As shown in Figure 2, mounting means is that a triangle jump ring 6 is installed on each terminal 5, and a diode 7 is installed between two adjacent terminals 5.
Fig. 3 shows the structure chart of the utility model photovoltaic junction box bottom.In actual use, the bottom of photovoltaic junction box is and the position of solar panel connection that therefore the design of heat radiation is very important.In the utility model, after mounting panel 4 was assemblied in end box 3 inside, the bottom surface 4a of mounting panel 4 was on the different horizontal planes with the bottom surface 3a of end box 3, and had convection current chamber 3b on the end box 3 bottom surface 3a of mounting panel 4 belows.Make end box 3 bottoms and the mounting panel 4 of photovoltaic junction box form difference in height like this, avoided the heat on the mounting panel 4 to be transmitted to fast on the end box 3, thereby influenced solar panel.Further, the utility model is offered a plurality of radiating groove 3c that connect convection current chamber 3b at 3b edge, convection current chamber, the other end of radiating groove 3c connects the return port 3d that is opened on the end box 3 bottom surface 3a, and return port 3d fixedly has the blend stop 3e that protrudes end box 3 bottom surface 3a with respect to the opposite side of radiating groove 3c.Such structure makes heat after being transmitted to the connection face of end box 3 bottoms and solar panel from photovoltaic junction box inside from convection current chamber 3b, again can be through radiating groove 3c, under the stopping of blend stop 3e, get back to photovoltaic junction box inside through return port 3d, form circulation, be conducive to the raising of heat dispersion.
Fig. 4 shows the shape of one of them terminal 5, and terminal 5 has one and is used for the first main body plane 5a fixing with mounting panel 4.In conjunction with Fig. 2, Fig. 5 as can be known, during assembling, the first main body plane 5a of terminal 5 is perpendicular to the bottom surface 4a of mounting panel 4.And the second main body plane 5b of terminal 5 is parallel with bottom surface 4a, and the 3rd main body plane 5c is vertical with bottom surface 4a.The first main body plane 5a of this terminal 5 and the vertical design that contacts of bottom surface 4a of mounting panel 4 have reduced both contact area, have avoided the heat on the terminal 5 to be transmitted to fast on the mounting panel 4.
The second main body plane 5b from mounting panel 4 bottom surface 4a away from, be conducive to the heat radiation; But the second main body plane 5b from loam cake 2 very close to, can damage loam cake 2 again.Therefore consider the heat balance in agreement space, the utility model is positioned the second main body plane 5b for central region between bottom surface 4a and the loam cake 2.
Here provide the connected mode of a kind of terminal 5 and mounting panel 4, in conjunction with Fig. 4, Fig. 5 as can be known, the first main body plane 5a of terminal 5 is provided with the fixture block 5d of inclination laterally, and mounting panel 4 is provided with the grab 4b perpendicular to mounting panel 4 bottom surface 4a.With reference to figure 2, when terminal 5 assembled with mounting panel 4, fixture block 5d matched with grab 4b.The first main body plane 5a does not contact with grab 4b, is conducive to the raising of heat dispersion yet.
Further, provide the connected mode of a kind of mounting panel 4 and end box 3.In conjunction with Fig. 5, Fig. 6 as can be known, the edge of mounting panel 4 is provided with the fixture block 4c of inclination laterally, and end box 3 is provided with the grab 3b perpendicular to end box 3 bottom surface 3a.With reference to figure 2, when mounting panel 4 assembled with end box 3, fixture block 4c matched with grab 3b, and the mating surface of fixture block 4c and grab 3b is not parallel to each other.
As shown in Figure 7, loam cake 2 inner surfaces middle part inwardly forms depression 2a, has effectively increased the photovoltaic junction box inner space, also is conducive to the raising of heat dispersion.
Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present utility model and design, all should think to be included within the protection range of the present utility model.
Claims (6)
1. photovoltaic junction box with high heat dispersion, comprise the end box (3) and loam cake (2) and the water proof ring between the two (1) that cover mutually, mounting panel (4) is fixedly arranged in the box of the described end (3), and described mounting panel (4) is gone up fixedly a plurality of terminals (5), triangle jump ring (6) and diode (7); Described triangle jump ring (6) is installed on each terminal (5), and described diode (7) is installed between the terminals of adjacent (5);
It is characterized in that: the first main body plane (5a) that described terminal (5) is connected with mounting panel (4) is perpendicular to the bottom surface (4a) of mounting panel (4); The second main body plane (5b) of described terminal (5) is parallel with bottom surface (4a); The 3rd main body plane (5c) of described terminal (5) is vertical with bottom surface (4a); The described second main body plane (5b) places the central region between bottom surface (4a) and the loam cake (2).
2. according to the described photovoltaic junction box with high heat dispersion of claim 1, it is characterized in that: after in described mounting panel (4) is assemblied in end box (3), the bottom surface (4a) of mounting panel (4) is on the different horizontal planes with the bottom surface (3a) of end box (3), has convection current chamber (3b) on end box (3) bottom surface (3a) of described mounting panel (4) below.
3. according to the described photovoltaic junction box with high heat dispersion of claim 2, it is characterized in that: a plurality of radiating grooves (3c) that have connection convection current chamber (3b) in edge, convection current chamber (3b) are gone up in box of the described end (3) bottom surface (3a), the other end of described radiating groove (3c) connects the return port (3d) that is opened on end box (3) bottom surface (3a), and described return port (3d) fixedly has the blend stop (3e) that protrudes end box (3) bottom surface (3a) with respect to the opposite side of radiating groove (3c).
4. according to the described photovoltaic junction box with high heat dispersion of claim 1, it is characterized in that: the first main body plane (5a) of described terminal (5) is provided with the fixture block (5d) of inclination laterally, and described mounting panel (4) is provided with the grab (4b) perpendicular to mounting panel (4) bottom surface (4a); When terminal (5) assembled with mounting panel (4), described fixture block (5d) matched with grab (4b), and the first main body plane (5a) does not contact with grab (4b).
5. according to the described photovoltaic junction box with high heat dispersion of claim 1, it is characterized in that: described mounting panel (4) edge is provided with the fixture block (4c) of inclination laterally, and box of the described end (3) is provided with the grab (3b) perpendicular to end box (3) bottom surface (3a); When mounting panel (4) assembled with end box (3), described fixture block (4c) matched with grab (3b), and fixture block (4c) is not parallel to each other with the mating surface of grab (3b).
6. according to the described photovoltaic junction box with high heat dispersion of claim 1, it is characterized in that: described loam cake (2) inner surface middle part caves inward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206895115U CN203055944U (en) | 2012-12-13 | 2012-12-13 | Photovoltaic junction box with high heat radiation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206895115U CN203055944U (en) | 2012-12-13 | 2012-12-13 | Photovoltaic junction box with high heat radiation performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055944U true CN203055944U (en) | 2013-07-10 |
Family
ID=48738867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206895115U Withdrawn - After Issue CN203055944U (en) | 2012-12-13 | 2012-12-13 | Photovoltaic junction box with high heat radiation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022194A (en) * | 2012-12-13 | 2013-04-03 | 浙江鑫辉光伏科技有限公司 | Photovoltaic junction box with high heat dissipating performance |
-
2012
- 2012-12-13 CN CN2012206895115U patent/CN203055944U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022194A (en) * | 2012-12-13 | 2013-04-03 | 浙江鑫辉光伏科技有限公司 | Photovoltaic junction box with high heat dissipating performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |