CN106656025A - Solar photovoltaic component junction box - Google Patents
Solar photovoltaic component junction box Download PDFInfo
- Publication number
- CN106656025A CN106656025A CN201710092927.6A CN201710092927A CN106656025A CN 106656025 A CN106656025 A CN 106656025A CN 201710092927 A CN201710092927 A CN 201710092927A CN 106656025 A CN106656025 A CN 106656025A
- Authority
- CN
- China
- Prior art keywords
- sealing
- groove
- embedding pin
- sealing strip
- solar photovoltaic
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 105
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004224 protection Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The present invention discloses a solar photovoltaic component junction box with excellent sealing performance that has good water-proof effect. The junction box comprises an upper cover and a lower box. The upper cover is installed on the lower box. The periphery of the upper surface of the lower box is provided with a first sealing edge and a second sealing edge that protrude. A first sealing groove is formed between the first sealing edge and the second sealing edge. Outside the first sealing edge, two edges of the lower box are provided with embedded grooves. The lower side of the lower box is provided with a first cable outgoing port and a second cable outgoing port. Two sides of the first cable outgoing port are provided with a first buckling embedded foot and a second buckling embedded foot. Two sides of the second cable outgoing port are provided with a third buckling embedded foot and a fourth buckling embedded foot. The back of the upper cover is provided with a third sealing edge and a fourth sealing edge that protrude. A second sealing groove is formed between a cover edge and the third sealing edge. A third sealing groove is formed between the third sealing edge and the fourth sealing edge. The third sealing edge is clamped in the first sealing groove. The second sealing edge is clamped in the third sealing groove. Therefore, the sealing structure is formed.
Description
Technical field
The present invention relates to a kind of terminal box, specifically a kind of terminal box for being applied to solar photovoltaic assembly.
Background technology
During Development of Human Civilization, the mankind constantly ask for the various energy of suitable survival and development from nature,
But conventional petrochemical energy reserves is rapid exhausted just with the high development of human civilization, and traditional fossil energy uses process
The environmental pollution of middle generation and greenhouse effects are causing a series of ecocatastrophes.In order to reduce atmosphere pollution, protection mankind's life
State environment, the supply steady in a long-term for ensureing the energy, it is necessary to the Implement of sustainable development strategy, are altered in steps existing energy resource structure,
Devoting Major Efforts To Developing utilizes new forms of energy, and this has become the common recognition of various countries.In new regenerative resource, photovoltaic generation and wind-power electricity generation are sent out
Exhibition is most fast, and solar energy power generating have become industrialized development after field of renewable energy relaying wind-power electricity generation it is most fast,
Maximum industry.Solar assembly junction box is used as the power transmission of photovoltaic cell and the core component of performance guarantee, its performance
Directly affects the electrical efficiency and reliability of photovoltaic plant.Terminal box design is collection electrical design, Machine Design and a material
The cross-cutting comprehensive design that material science combines, on the premise of photovoltaic system equipment standard is met, solar components wiring
The design of box:On the one hand it must is fulfilled for (the requirement of mechanical performance：It is little and attractive in appearance that junction box body not only should be designed, it is easy to is molded
Shaping, assembling and maintenance, but also to meet requirement of UL1703, IEC61215 and GB/T4798.6 standard to impulsive force,
Connection cable can guarantee that safe and stable operation under tension or torquing forces；On the other hand, solar assembly junction box
Design should make it have excellent electrical security：Not only there is relatively low bulk resistor to reduce what terminal box was brought as far as possible
Power attenuation, and with good radiating mode and rational cavity volume effectively reducing internal temperature, to meet electrically
Safety requirements, at the same by improved using high-insulativity material and Design of Mechanical Structure terminal box electric clearance and climb electricity away from
From so as to lift the security of terminal box；Using high electrical security diode and improve its packaged type in terminal box
Photovoltaic cell is damaged with avoiding or reducing hot spot phenomenon；What is more important cell material should have excellent anti-aging, resistance to
UV resistance, while box body has good waterproof and dustproof sealing design protection (degree of protection IP67), be satisfied with illumination,
Use actual effect under the severe environmental conditions of the outdoor such as sleet is up to 25 years requirements above.In recent years, with photovoltaic plant scale
The raising that the fast development of business application and photovoltaic system equipment standard are required, the current carrying capacity for increasingly increasing is (at present most
High current can reach 30A) caloric value of components and parts in solar assembly junction box is increased, therefore, how to ensure solar energy group
Waterproof and dustproof sealing protection in service life time limit of the part terminal box under outdoor severe environmental conditions becomes decision, and it is used
The key issue of reliability.
The content of the invention
It is an object of the invention to provide a kind of solar photovoltaic assembly terminal box, the terminal box has excellent sealing
Energy.
In order to reach above-mentioned technical purpose, the technical scheme is that：
A kind of solar photovoltaic assembly terminal box, including Shang Gai and lower box, the upper lid is arranged on lower box, the lower box
Upper surface surrounding has first sealing strip and the second sealing strip of protrusion, is formed between first sealing strip and the second sealing strip
There is the first seal groove；Outside first sealing strip, the downside that the both sides of the lower box have caulking groove, the lower box has first
There is the first embedding pin and second that links closely to link closely for cable outlet and the second cable outlet, the both sides of the first cable outlet
There is the 3rd embedding pin and the 4th that links closely to link closely embedding pin for embedding pin, the both sides of the second cable outlet；The back side tool of the upper lid
Have cover rim, on the inside of the cover rim, the upper lid back side have protrusion the 3rd sealing strip and the 4th sealing strip, the cover rim with
The second seal groove is formed between 3rd sealing strip, between the 3rd sealing strip and the 4th sealing strip the 3rd sealing is formed with
Groove；When upper lid and lower casing are closed, the 3rd sealing strip is fastened in the first seal groove, and the second sealing strip is fastened on the 3rd sealing
In groove, sealing structure is formed；The both sides of the upper lid have embedding pin, and the embedding pin is corresponding with caulking groove, and embedding pin is fastened in caulking groove,
Having below on first for the upper lid is covered on lid and second, and lid is corresponding with the first cable outlet on described first, and first is tight
Detain embedding pin and the second embedding pin that links closely is fastened on first on lid, the 3rd links closely embedding pin and the 4th embedding pin that links closely is fastened on second and covers
On；Sealing is offered on the upper lid, for completing the performance of its detection terminal box in assembling, envelope is installed in the sealing
Lid, the capping is fastened in sealing.
Specifically, preferably, the sealing side has sealing groove, sealing ring, the capping back of the body are installed in the sealing groove
Face has chimb, when the sealing engages with capping, in the chimb and sealing groove sealing ring formation sealing structure is provided with.
Specifically, in order to capping is arranged in sealing, the upper side and lower side of the capping is respectively provided with more than one the
One projection, has the groove being engaged with first projection in the sealing, the capping is connected to envelope by the first projection
Fastening state is reached in the groove of mouth.
For the fastness connected between Shang Gai and lower box, the upside of the upper lid has bayonet socket, the upside of the lower box
With the second projection being fastened in bayonet socket.
In order to strengthen the firmness of upper lid groove, side is covered on described, the groove is provided with boss.
For the jail for strengthening on first lid and the first cable outlet, connect between lid and the second cable outlet on second
Soundness, described first link closely embedding pin, second link closely embedding pin it is symmetrical and inwardly roll it is oblique, the described 3rd link closely embedding pin, the 4th link closely
Embedding pin is symmetrical and inwardly rolls oblique.
Fluid sealant is filled with first seal groove, the second seal groove and the 3rd seal groove.
The terminal box sealing property of the present invention is excellent, waterproof and dustproof and other effects can be effectively played, in photovoltaic generating system
In, the probability because causing whole photovoltaic system collapse the problems such as terminal box is intake is reduced, improve the stability of photovoltaic system.
Description of the drawings
Fig. 1 is upper lid front schematic view.
Fig. 2 is upper lid reverse side schematic diagram.
Fig. 3 is capping schematic diagram.
Fig. 4 is lower box front schematic view.
Fig. 5 is lower box reverse side schematic diagram
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
As Figure 1-5, a kind of solar photovoltaic assembly terminal box, including upper lid (as shown in Figure 1, 2) and lower box are (as schemed
Shown in 5), the upper lid is arranged on lower box, and metal connecting sheet is provided with the box body of the lower box, is pacified on the metal connecting sheet
Equipped with multiple diodes, metal connecting sheet is connected with conductive lead wire.The lower box upper surface surrounding has the first sealing of protrusion
The sealing strip 13 of side 12 and second, between the sealing strip 13 of first sealing strip 12 and second the first seal groove is formed with；Described
Outside first sealing strip 12, the both sides of the lower box have a caulking groove 18, and the downside of the lower box has the first cable outlet 2 and the
There is the first embedding pin 14 and second that links closely to link closely embedding pin 15 for two cable outlets 21, the both sides of the first cable outlet 2, institute
There is the 3rd embedding pin 16 and the 4th that links closely to link closely embedding pin 17 for the both sides for stating the second cable outlet 21；The back side of the upper lid has
Cover rim 3, in the inner side of the cover rim 3, the upper lid back side has the 3rd sealing strip 4 and the 4th sealing strip 5 of protrusion, the cover rim
3 and the 3rd are formed with the second seal groove between sealing strip 4, and between the 3rd sealing strip 4 and the 4th sealing strip 5 the 3rd is formed with
Seal groove；When upper lid and lower casing are closed, the 3rd sealing strip 4 is fastened in the first seal groove, and the second sealing strip 13 is fastened on
In 3rd seal groove, formed in sealing structure, first seal groove, the second seal groove and the 3rd seal groove filled with sealing
Glue.Fluid sealant is from solar module specialty fluid sealant.
The both sides of the upper lid have embedding pin 1, the embedding pin 1 and the correspondence of caulking groove 18, and embedding pin 1 is fastened in caulking groove 18, institute
State the following of lid and there is on first lid 23 on lid 22 and second, lid 22 is corresponding with the first cable outlet 2 on described first, the
One links closely embedding pin 14 and the second embedding pin 15 that links closely is fastened on first on lid 22, and the 3rd embedding pin 16 and the 4th that links closely links closely embedding pin 17
It is fastened on second on lid 23.
Sealing 24 is offered on the upper lid, capping is installed in the sealing 24,24 sides of the sealing have sealing groove, institute
State and be provided with sealing groove sealing ring, the capping back side has chimb 10, the capping is fastened in sealing 24, i.e., described sealing
24 with capping when engage, and sealing ring formation sealing structure is provided with the chimb and sealing groove.
Specifically, in order to capping is arranged in sealing 24, the upper side and lower side of the capping is respectively provided with more than one
First projection 9, has the groove being engaged with first projection 9 in the sealing 24, the capping passes through the mistake of the first projection 9
The mode of cooperation of being full of is connected in the groove of sealing and reaches fastening state.
For the fastness connected between Shang Gai and lower box, the upside of the upper lid has bayonet socket 6, the upside of the lower box
With the second projection 11 being fastened in bayonet socket 6, the second projection 11 is connected in bayonet socket 6 by way of interference fit.
Because the mode of the interference fit of the first projection 9 is connected in the groove of sealing 24, therefore, the firmness of groove is determined
Clamping stability, in order to strengthen the firmness of upper lid groove, covers side on described, and the groove is provided with boss
25。
In order to strengthen on first on the cable outlet 2, second of lid 22 and first between the cable outlet 21 of lid 23 and second
The firmness of connection, described first link closely embedding pin 14, second link closely embedding pin 15 it is symmetrical and inwardly roll it is oblique, the described 3rd link closely it is embedding
Pin the 16, the 4th links closely embedding pin 17 symmetrically and inwardly rolls oblique.
Above-described embodiment limits never in any form the present invention, every to be obtained by the way of equivalent or equivalent transformation
Technical scheme all fall within protection scope of the present invention.
Claims (8)
1. a kind of solar photovoltaic assembly terminal box, it is characterised in that including Shang Gai and lower box, the upper lid is arranged on lower box,
The lower box upper surface surrounding has first sealing strip and the second sealing strip, first sealing strip and the second sealing strip of protrusion
Between be formed with the first seal groove；Outside first sealing strip, the both sides of the lower box have caulking groove, the downside of the lower box
With the first cable outlet and the second cable outlet, the both sides of the first cable outlet have first link closely embedding pin and
Second links closely embedding pin, and there is the 3rd embedding pin and the 4th that links closely to link closely embedding pin for the both sides of the second cable outlet；The upper lid
The back side there is cover rim, on the inside of the cover rim, the upper lid back side have protrusion the 3rd sealing strip and the 4th sealing strip, institute
State and the second seal groove is formed between cover rim and the 3rd sealing strip, is formed between the 3rd sealing strip and the 4th sealing strip
Three seal grooves；When upper lid and lower casing are closed, the 3rd sealing strip is fastened in the first seal groove, and the second sealing strip is fastened on the
In three seal grooves, sealing structure is formed；The both sides of the upper lid have embedding pin, and the embedding pin is corresponding with caulking groove, and embedding pin is fastened on
In caulking groove, having below on first for the upper lid is covered on lid and second, and lid is corresponding with the first cable outlet on described first,
First links closely embedding pin and the second embedding pin that links closely is fastened on first on lid, and the 3rd links closely embedding pin and the 4th embedding pin that links closely is fastened on the
On two on lid；Sealing is offered on the upper lid, capping is installed in the sealing, the capping is fastened in sealing.
2. a kind of solar photovoltaic assembly terminal box according to claim 1, it is characterised in that：The sealing side has envelope
Groove, is provided with sealing ring in the sealing groove, the capping back side has chimb, when the sealing engages with capping, the chimb
Sealing structure is formed with sealing ring is provided with sealing groove.
3. a kind of solar photovoltaic assembly terminal box according to claim 1, it is characterised in that：The upside of the capping and
Downside is respectively provided with more than one first projection, has the groove being engaged with first projection, the envelope in the sealing
Lid is connected in the groove of sealing by the first projection and reaches fastening state.
4. a kind of solar photovoltaic assembly terminal box according to claim 3, it is characterised in that：The upside tool of the upper lid
There is bayonet socket, the upside of the lower box has the second projection being fastened in bayonet socket.
5. a kind of solar photovoltaic assembly terminal box according to claim 1, it is characterised in that：Side is covered on described,
The groove is provided with boss.
6. a kind of solar photovoltaic assembly terminal box according to claim 1, it is characterised in that：Described first link closely it is embedding
Pin, second are linked closely embedding pin symmetrically and inwardly roll oblique.
7. a kind of solar photovoltaic assembly terminal box according to claim 1, it is characterised in that：Described 3rd link closely it is embedding
Pin, the 4th link closely embedding pin symmetrically and inwardly roll oblique.
8. a kind of solar photovoltaic assembly terminal box according to claim 1, it is characterised in that：First seal groove,
Fluid sealant is filled with second seal groove and the 3rd seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092927.6A CN106656025A (en) | 2017-02-21 | 2017-02-21 | Solar photovoltaic component junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092927.6A CN106656025A (en) | 2017-02-21 | 2017-02-21 | Solar photovoltaic component junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106656025A true CN106656025A (en) | 2017-05-10 |
Family
ID=58845682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710092927.6A Pending CN106656025A (en) | 2017-02-21 | 2017-02-21 | Solar photovoltaic component junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106656025A (en) |
-
2017
- 2017-02-21 CN CN201710092927.6A patent/CN106656025A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
|
| WD01 | Invention patent application deemed withdrawn after publication |