CN102299497A - Connecting module for solar power generation system - Google Patents
Connecting module for solar power generation system Download PDFInfo
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- CN102299497A CN102299497A CN2010102077902A CN201010207790A CN102299497A CN 102299497 A CN102299497 A CN 102299497A CN 2010102077902 A CN2010102077902 A CN 2010102077902A CN 201010207790 A CN201010207790 A CN 201010207790A CN 102299497 A CN102299497 A CN 102299497A
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- terminal box
- solar power
- power system
- cable
- wiring module
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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
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Abstract
The invention discloses a connecting module for a solar power generation system. The module comprises a connecting box and a cable, wherein the cable is electrically connected with an electric connecting terminal in the connecting box; a fastening piece is clamped at the inserting end of the cable inserted into the connecting box; and the inserting end of the cable is fixed in the connecting box through a locking piece which is matched with the fastening piece in a detachable mode. In each embodiment of the invention, the cable is fixed in the connecting box through the fastening piece on the cable and the locking piece which is matched with the fastening piece in the detachable mode, and the electric connecting terminal is electrically connected with a bus bar of a solar panel in an elastic clamping mode, so that the cable can be freely replaced, and the bus bar can be easily split; in addition, the inside of the connecting box is not sealed by a potting adhesive, so manufacturing working hour can be shortened, and cost can be reduced.
Description
Technical field
The present invention relates to a kind of solar energy generation technology, relate in particular to a kind of Wiring module of low-power solar energy film electricity generation system, it can be applied to building integrated photovoltaic (BIPV, Building-Integrated Photovoltaic) technology.
Background technology
Solar energy is a kind of reproducible energy.With conversion of solar energy is that electric energy can energy savings, alleviates the power shortage problem, can reduce environmental pollution again, and therefore such technology has obtained the public's concern.It is that solar module (photovoltaic module) is installed on the roof of having built up by support that a kind of common solar energy utilizes mode, and the terminal box that is complementary with it is arranged on the back side of solar module usually.
A kind of new solar utilization technique-building integrated photovoltaic (BIPV) technology has appearred in recent years, this technology is integrated into wing with solar power generation (photovoltaic) product, for example daylighting roof, window or glass curtain wall, such photovoltaic product can also play in generating keeps out wind and rain and the effect of daylighting.
In above-mentioned building integrated photovoltaic (BIPV) technology, an end of cable is generally by in the Overmolded housing that is fixed on terminal box once.Overmolded shortcoming be moulding process be difficult to control, in case and after the moulding, just can not change cable, be not easy to the replacing of cable.
In addition, in above-mentioned building integrated photovoltaic (BIPV) technology, the binding post that extends out from the photo-electric conversion element of solar module (welding or busbar) generally is electrically connected with conducting element formation in the terminal box by welding manner, then, seals by the encapsulating mode.
In above-mentioned terminal box, because the conducting element in the terminal box is electrically connected with the binding post of importing from solar module (welding or busbar) by welding manner, the connected mode more complicated, thereby attended operation is more time-consuming, the qualification rate and the reliability of product are reduced, and production cost is than higher.In addition, stationarity connects because welding manner forms forever, thereby solar module and separating of terminal box are not easy, and the conducting element in the terminal box can not be changed.And there is the cost height in sealant pouring and sealing, and can hinder the heat radiation of the conducting element in the terminal box, can cause conducting element to burn when serious.
In view of there is the technical problem of dismounting inconvenience in the Wiring module of existing solar power system, be necessary to propose a kind of Wiring module of novel solar power system in fact, it can realize freely dismantling and changing of each parts at least.
Summary of the invention
Purpose of the present invention is intended to solve at least one aspect of the above-mentioned problems in the prior art and defective.
According to an aspect of the present invention, the Wiring module that it provides a kind of solar power system comprises terminal box and cable, and the electric connection terminal in described cable and the described terminal box is electrically connected.Wherein, insert at described cable that clamping has anchorage clip on the insertion end of described terminal box, and this insertion end of described cable is by being fixed in the described terminal box with locking piece that described securing member removably cooperates.
According to one embodiment of present invention, described securing member is the endless metal folder, is formed with groove on the described endless metal folder; And described locking piece is the metal catch, and described metal catch inserts in the housing of described terminal box and is stuck in the groove of described endless metal folder.
According to another embodiment of the invention, described securing member is the endless metal folder, is formed with screw thread on the described endless metal folder; And described locking piece is a thread bush, and described thread bush removably is fixed in the housing of described terminal box and with described endless metal folder and is threaded.
According to another embodiment of the invention, be formed with bossing in described terminal box, be formed with slot on described bossing, described metal catch inserts in the slot of described terminal box.
According to another embodiment of the invention, also be with sealing shroud on described cable, when described cable inserted described terminal box, described sealing shroud closely contacted with the inlet inwall of the housing of described terminal box.
According to another embodiment of the invention, the part of described endless metal folder also is clamped on the described sealing shroud, is used for guiding sealing shroud to insert the inlet of the housing of described terminal box.
According to another embodiment of the invention, for being full of the inner chamber of air, do not adopt sealant pouring and sealing in the described terminal box.
According to another embodiment of the invention, described electric connection terminal removably is fixed in the inner chamber of described terminal box.
According to another embodiment of the invention, the bare metal end of described cable is electrically connected with an end of described electric connection terminal by the mode of crimping.
According to another embodiment of the invention, the busbar of the solar panel of described solar power system is electrically connected with the other end of described electric connection terminal by the mode of resilient clamp or the mode of welding.
According to a further advantageous embodiment of the invention, the housing of described terminal box is provided with the air vent hole that is communicated with described inner chamber, and described air vent hole is covered by thin film, and described film is configured to only allow gaseous molecular to pass through.
According to another embodiment of the invention, the housing of described terminal box comprises base and top cover, and described base can be mutually locked removably with top cover and be in the same place.
According to another embodiment of the invention, described base can be mutually locked by buckle or the mode that is threaded with top cover and be in the same place.
According to another embodiment of the invention, the mating surface between described base and the top cover seals by O-ring seal.
According to another aspect of the present invention, also provide a kind of solar power system, it comprises above-mentioned Wiring module.
Preferably, every solar panel of described solar power system uses two described Wiring modules, and the positive bus bar of every solar panel is electrically connected with a Wiring module, and negative bus bar is electrically connected with another Wiring module.
Compared with prior art, in above-mentioned each embodiment of the present invention, cable is fixed in the terminal box by the anchorage clip on it with locking piece that securing member removably cooperates, and the busbar of electric connection terminal and solar panel is electrically connected by the mode of resilient clamp, thereby cable can freely be changed, and busbar can split easily.And, therefore do not adopt sealant pouring and sealing in the terminal box, in the time of can also reducing worker and cost.
By hereinafter with reference to accompanying drawing to the description that the present invention did, other purpose of the present invention and advantage will be apparent, and can help that the present invention is had comprehensive understanding.
Description of drawings
Fig. 1 shows the decomposing schematic representation of Wiring module according to an embodiment of the invention;
The vertical view of the Wiring module in Fig. 2 displayed map 1, wherein top cover is removed;
The cutaway view of the Wiring module in Fig. 3 displayed map 1;
The local enlarged diagram of the air vent hole of the Wiring module in Fig. 4 displayed map 1; With
The busbar resilient clamp schematic diagram together of the electric connection terminal of the Wiring module in Fig. 5 displayed map 1 and solar panel.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to embodiment of the present invention is intended to present general inventive concept of the present invention is made an explanation with reference to accompanying drawing, and not should be understood to a kind of restriction of the present invention.
Fig. 1 shows the decomposing schematic representation of Wiring module according to an embodiment of the invention.
As shown in Figure 1, in illustrated embodiment, the Wiring module of this solar power system mainly comprises terminal box, is fixed on electric connection terminal 6 in the terminal box and the cable 3 that is electrically connected with electric connection terminal 6.
In preferred embodiment shown in Figure 1, the housing of terminal box comprises base 1 and top cover 2.Base 1 can be mutually locked removably with top cover 2 and be in the same place, and for example, as shown in Figure 1, is formed with grab 10 on the top cover 2, is formed with draw-in groove on the base 1, so top cover 2 and base 1 can lock together mutually in the mode of buckle.But the present invention is not limited to this, and base 1 and top cover 2 can also be mutually locked in suitable mode such as be threaded and be in the same place.Because top cover 2 can freely be dismantled, therefore, when reality was used, the conducting element in the butted line box overhauled and changes at any time.
The vertical view of the Wiring module in Fig. 2 displayed map 1, wherein top cover is removed.
As depicted in figs. 1 and 2, in a preferred embodiment of the invention, clamping has endless metal folder 4 on the insertion end of cable 3, and when assembling, the clamping of cable 3 has the insertion end of endless metal folder 4 from the inner chamber 11 of the insertion mouth insertion terminal box of base 1.
As depicted in figs. 1 and 2, be formed with groove 4a on the endless metal folder 4, when the insertion end of cable 3 is inserted in the inner chamber 11 of terminal box, be stuck in metal catch 5 among the groove 4a of endless metal folder 4, and the bottom of metal catch 5 is inserted in the base 1, thereby the insertion end of cable 3 is securely fixed in the housing of terminal box, from moving forward and backward, thereby can effectively realize the stress buffer of cable 3, be electrically connected reliably with between the bare metal end 3a that guarantees cable 3 and the electric connection terminal 6.
In one embodiment, be formed with annular groove 4a on the endless metal folder 4, and metal catch 5 be semi-circular, like this, metal catch 5 just can fully be stuck in endless metal and press from both sides among 4 the annular groove 4a.
In another embodiment, as shown in Figure 2, in order to strengthen the intensity of base 1 location cable 3, in base 1, be formed with bossing 13, be formed with slot on bossing 13, the pin of the both sides of semi-circular metal catch 5 inserts in the slot of bossing 13 of base 1 just.In the preferred embodiment,, therefore, improved the local strength of base 1 attached cable 3 because bossing 13 has increased the local thickness of base 1.
Although it is not shown, in another embodiment of the present invention, can be formed with screw thread on the endless metal folder 4, when endless metal folder 4 inserts in the inner chamber 11 of terminal boxes with cable 3, be threaded with endless metal folder 4 with thread bush, and thread bush is fixed in the base 1 removably.The insertion end of cable 3 removably can be fixed in the base 1 like this, equally.
In aforementioned two embodiment, cable 3 all adopts dismountable mode to be fixed in the housing of terminal box, therefore, even after assembling, also can freely change cable 3 as required.
The cutaway view of the Wiring module in Fig. 3 displayed map 1.
As shown in Figure 1 to Figure 3, on cable (3), be with sealing shroud 14.When cable 3 inserted terminal box, as shown in Figure 3, sealing shroud 14 closely contacted with the inlet inwall of the housing of terminal box, thereby realized sealing.
In one embodiment, in the inlet for the ease of the housing that sealing shroud 14 inserted terminal boxes, as shown in Figure 3, the forward part of endless metal folder 4 is clamped on the cable 3, the rear section is clamped on the sealing shroud 14, like this, endless metal folder 4 just can guide sealing shroud 14 easily to insert in the inlet of housing of terminal box.
In one embodiment of the invention, as shown in Figure 1, be cavity in the inner chamber 11 of terminal box, promptly be full of air in the inner chamber 11, that is, electric connection terminal 6 and other conducting element all are exposed in the air, and do not adopt gel seal.The advantage that does not adopt sealant pouring and sealing is when saving worker, and saves material cost.
In one embodiment of the invention, as shown in Figure 1 to Figure 3, the base 1 of terminal box is provided with the air vent hole 7 that is communicated with the inner chamber 11 of terminal box, and this air vent hole 7 is covered by thin film 8, this film 8 is configured to only allow gaseous molecular to pass through, for example waterproof ventilated membrane.Like this, just can guarantee that the inner chamber 11 of terminal box is consistent with external pressure, thereby can prevent effectively that simultaneously, outside water can not enter in the terminal box from air vent hole 7 owing to the generation of the inconsistent condensed water that causes of inner and outer air pressure of terminal box.
As shown in Figure 1, for the water that prevents the terminal box outside enters in the terminal box from the mating surface between top cover 2 and the base 1, in preferred embodiment shown in Figure 1, between base 1 and top cover 2, be provided with O-ring seal 12, be used for the mating surface between sealed base 1 and the top cover 2.
The local enlarged diagram of the air vent hole of the Wiring module in Fig. 4 displayed map 1.
As shown in Figure 4, film 8 is attached to the bottom of air vent hole 7, and remains on the appropriate location by strutting piece 9.In a preferred embodiment, film 8 can be welded on the bottom of air vent hole 7 by ultrasonic welding process.
As shown in Figure 1, electric connection terminal 6 can be fixed in the base 1 by buckle or the mode that is threaded.Because electric connection terminal 6 is fixed in the inner chamber 11 of terminal box removably, therefore, electric connection terminal 6 can freely be changed.
To embodiment shown in Figure 3, the bare metal end 3a of cable 3 is electrically connected with an end 6a of electric connection terminal 6 by the mode of crimping at Fig. 1.But the present invention is not limited to this, and the bare metal end 3a of cable 3 also can be electrically connected with an end 6a of electric connection terminal 6 by the mode of resilient clamp.Therefore, the bare metal end 3a of cable 3 also can freely separate with electric connection terminal 6.
The busbar resilient clamp schematic diagram together of the electric connection terminal of the Wiring module in Fig. 5 displayed map 1 and solar panel.
The busbar 15 of solar panel is clamped on the other end 6b of electric connection terminal 6 by elastic clip 16, thereby realizes electrical connection between the two.Therefore, also can be separated from each other between the busbar 15 of solar panel and the electric connection terminal 6.
But the present invention is not limited to this, also can adopt the mode of welding to interconnect between the busbar 15 of solar panel and the electric connection terminal 6, does not allow segregative problem although welding manner exists.
In one embodiment of the invention, every solar panel uses two aforementioned Wiring modules, promptly, electric connection terminal in the terminal box of the positive bus bar of every solar panel and a Wiring module is electrically connected, and the interior electric connection terminal of negative bus bar and the terminal box of another Wiring module is electrically connected.
Though describe the present invention in conjunction with the accompanying drawings, disclosed embodiment is intended to embodiment of the present invention is carried out exemplary illustration in the accompanying drawing, and can not be interpreted as a kind of restriction of the present invention.
Though some embodiment of this present general inventive concept are shown and illustrate, those skilled in the art will appreciate that, under the situation of principle that does not deviate from this present general inventive concept and spirit, can make a change these embodiment, scope of the present invention limits with claim and their equivalent.
Claims (13)
1. the Wiring module of a solar power system comprises terminal box (1,2) and cable (3), and the electric connection terminal (6) in described cable (3) and the described terminal box is electrically connected,
It is characterized in that:
Insert at described cable (3) that clamping has securing member on the insertion end of described terminal box, and this insertion end of described cable (3) is by being fixed in the described terminal box with locking piece that described securing member removably cooperates.
2. the Wiring module of solar power system according to claim 1,
It is characterized in that:
Described securing member is an endless metal folder (4), is formed with groove (4a) on the described endless metal folder (4); And
Described locking piece is metal catch (5), and described metal catch (5) inserts in the housing of described terminal box and is stuck in the groove (4a) of described endless metal folder (4).
3. the Wiring module of solar power system according to claim 1,
It is characterized in that:
Described securing member is an endless metal folder (4), is formed with screw thread on the described endless metal folder (4); And
Described locking piece is a thread bush, and described thread bush removably is fixed in the housing of described terminal box and with described endless metal folder (4) and is threaded.
4. the Wiring module of solar power system according to claim 2,
It is characterized in that:
Be formed with bossing (13) in described terminal box, be formed with slot on described bossing (13), described metal catch (5) inserts in the slot of described terminal box.
5. the Wiring module of solar power system according to claim 4,
It is characterized in that:
Also be with sealing shroud (14) on described cable (3), when described cable (3) inserted described terminal box, described sealing shroud (14) closely contacted with the inlet inwall of the housing of described terminal box.
6. the Wiring module of solar power system according to claim 5,
It is characterized in that:
The part of described endless metal folder (4) also is clamped on the described sealing shroud (14), is used for guiding sealing shroud (14) to insert the inlet of the housing of described terminal box.
7. the Wiring module of solar power system according to claim 1,
It is characterized in that:
For there not being the hollow cavity (11) of sealant pouring and sealing, described electric connection terminal (6) removably is fixed in the inner chamber (11) of described terminal box in the described terminal box.
8. the Wiring module of solar power system according to claim 7,
It is characterized in that:
The bare metal end (3a) of described cable (3) is electrically connected with an end (6a) of described electric connection terminal (6) by the mode of crimping.
9. the Wiring module of solar power system according to claim 8,
It is characterized in that:
The busbar of the solar panel of described solar power system (15) is electrically connected with the other end (6b) of described electric connection terminal (6) by the mode of resilient clamp or the mode of welding.
10. the Wiring module of solar power system according to claim 7,
It is characterized in that:
The housing of described terminal box is provided with the air vent hole (7) that is communicated with described inner chamber (11), and described air vent hole (7) is covered by thin film (8), and described film (8) is configured to only allow gaseous molecular to pass through.
11. the Wiring module of solar power system according to claim 7,
It is characterized in that:
The housing of described terminal box comprises base (1) and top cover (2), and described base (1) and top cover (2) can be mutually locked together removably.
12. a solar power system is characterized in that: comprise as each described Wiring module among the claim 1-11.
13. solar power system according to claim 12, it is characterized in that: every solar panel of described solar power system uses two described Wiring modules, the positive bus bar of every solar panel is electrically connected with a Wiring module, and negative bus bar is electrically connected with another Wiring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102077902A CN102299497B (en) | 2010-06-22 | 2010-06-22 | Junction modules for solar power systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102077902A CN102299497B (en) | 2010-06-22 | 2010-06-22 | Junction modules for solar power systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102299497A true CN102299497A (en) | 2011-12-28 |
| CN102299497B CN102299497B (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102077902A Expired - Fee Related CN102299497B (en) | 2010-06-22 | 2010-06-22 | Junction modules for solar power systems |
Country Status (1)
| Country | Link |
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| CN (1) | CN102299497B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810588A (en) * | 2012-07-24 | 2012-12-05 | 苏州谐通光伏科技有限公司 | Cable connection module and photovoltaic assembly junction box with cable connection module |
| CN103457133A (en) * | 2012-05-31 | 2013-12-18 | 江苏通灵电器股份有限公司 | Bus-bar pressure method |
| CN108599058A (en) * | 2018-04-24 | 2018-09-28 | 穆琳瑛 | A kind of rapid wiring device of circuit basic principle teaching |
| CN110039148A (en) * | 2019-05-14 | 2019-07-23 | 合肥晶澳太阳能科技有限公司 | A kind of welding structure and terminal box of photovoltaic component terminal box |
| CN113889851A (en) * | 2021-09-22 | 2022-01-04 | 东风柳州汽车有限公司 | Distribution box and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1727240A1 (en) * | 2005-05-25 | 2006-11-29 | Günther Spelsberg GmbH & Co. KG | Electrical terminal box |
| US7291036B1 (en) * | 2006-11-08 | 2007-11-06 | Tyco Electronics Corporation | Photovoltaic connection system |
| CN201038678Y (en) * | 2007-05-08 | 2008-03-19 | 康联精密机电(深圳)有限公司 | Solar wiring box |
| CN102273019A (en) * | 2009-01-23 | 2011-12-07 | 威德米勒界面有限公司及两合公司 | Fixing device for fixing a cable at a housing feed-through |
-
2010
- 2010-06-22 CN CN2010102077902A patent/CN102299497B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1727240A1 (en) * | 2005-05-25 | 2006-11-29 | Günther Spelsberg GmbH & Co. KG | Electrical terminal box |
| US7291036B1 (en) * | 2006-11-08 | 2007-11-06 | Tyco Electronics Corporation | Photovoltaic connection system |
| CN201038678Y (en) * | 2007-05-08 | 2008-03-19 | 康联精密机电(深圳)有限公司 | Solar wiring box |
| CN102273019A (en) * | 2009-01-23 | 2011-12-07 | 威德米勒界面有限公司及两合公司 | Fixing device for fixing a cable at a housing feed-through |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457133A (en) * | 2012-05-31 | 2013-12-18 | 江苏通灵电器股份有限公司 | Bus-bar pressure method |
| CN102810588A (en) * | 2012-07-24 | 2012-12-05 | 苏州谐通光伏科技有限公司 | Cable connection module and photovoltaic assembly junction box with cable connection module |
| CN108599058A (en) * | 2018-04-24 | 2018-09-28 | 穆琳瑛 | A kind of rapid wiring device of circuit basic principle teaching |
| CN108599058B (en) * | 2018-04-24 | 2021-02-23 | 王云森 | Quick termination of circuit fundamental principle teaching |
| CN110039148A (en) * | 2019-05-14 | 2019-07-23 | 合肥晶澳太阳能科技有限公司 | A kind of welding structure and terminal box of photovoltaic component terminal box |
| CN113889851A (en) * | 2021-09-22 | 2022-01-04 | 东风柳州汽车有限公司 | Distribution box and vehicle |
| CN113889851B (en) * | 2021-09-22 | 2024-02-23 | 东风柳州汽车有限公司 | Distribution box and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102299497B (en) | 2013-06-26 |
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Granted publication date: 20130626 Termination date: 20190622 |