CN203827286U - Photovoltaic assembly glue-pouring junction box - Google Patents
Photovoltaic assembly glue-pouring junction box Download PDFInfo
- Publication number
- CN203827286U CN203827286U CN201420240323.3U CN201420240323U CN203827286U CN 203827286 U CN203827286 U CN 203827286U CN 201420240323 U CN201420240323 U CN 201420240323U CN 203827286 U CN203827286 U CN 203827286U
- Authority
- CN
- China
- Prior art keywords
- box body
- junction box
- potting compound
- photovoltaic module
- conducting block
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model relates to a photovoltaic assembly glue-pouring junction box comprising a box body with a top opening and a box cover used for packaging the box body; a plurality of conductive pieces are arranged in the box body; a diode is arranged between two adjacent conductive pieces; a glue-pouring slit is reserved between the conductive pieces and a bottom portion of the box body, and the glue-pouring slit is filled by glue loaded in the box body; because the glue-pouring slit is reserved, the glue can fill the glue-pouring slit between the conductive pieces and the bottom portion of the box body in a glue-pouring step, thus preventing an air layer from being generated between the conductive pieces and the bottom portion of the box body; the heat generated by the conductive pieces can be firstly transmitted to the heat conductive glue and then uniformly dispersed to the glue in the whole box body, then is fast dispersed to a contacting whole surface of the box body through the glue, and finally is fast dispersed to an outer side through the surface of the box body. The glue-pouring junction box has better radiation effect, is high in radiation efficiency, and can effectively prevent electric elements, in the junction box, from being burned.
Description
Technical field
The utility model relates to photovoltaic power generation equipment technical field, particularly a kind of photovoltaic module potting compound junction box.
Background technology
Photovoltaic component terminal box is between the solar cell array of solar module formation and the interface unit between solar charging controller for electric consumption, its Main Function is that the electric power that solar cell is produced is connected with outside line, terminal box normally bonds together by the backboard of silica gel and assembly, terminal box inside is provided with diode, diode is arranged between the conducting block of component internal, complete after connection, diode is realized in parallel by the battery strings with in photovoltaic module, when the solar panel of going here and there so that single is blocked or breaks down, diode can play the effect of bypass, avoid affecting the output of other solar cell crosstalks energy, can also protect the battery strings of being blocked or damage to occur " hot spot effect ", avoid photovoltaic module to occur damaging simultaneously.
The diode of terminal box inside is realized in parallel by conducting block with solar cell string, when photovoltaic module is normally worked, the heat that terminal box inside produces distributes outside box by conducting block, when photovoltaic module breaks down, diode in terminal box will produce larger heat, for as quickly as possible the dissipation of heat in box is outside to terminal box, and current terminal box generally makes to fit at the bottom of the box of conducting block and terminal box, then carry out encapsulating processing, be beneficial to heat and distribute as soon as possible.
But the error due to conducting block or terminal box itself, between conducting block and terminal box, can not accomplish to fit completely, normally part contact, in the process of encapsulating, it is inner that colloid cannot enter into gap small between conducting block and terminal box, thereby make to exist air blanketing between conducting block and terminal box, this is extremely unfavorable for distributing of heat on conducting block, the serious electric elements that also may cause terminal box inside burn because caloric value is excessive.
Therefore, how can improve the radiating effect of conducting block in photovoltaic module potting compound junction box, avoiding electric elements in terminal box to occur burning is the technical problem that current those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic module potting compound junction box, to can improve the radiating effect of conducting block in photovoltaic module potting compound junction box, avoids the electric elements in terminal box to occur burning phenomenon.
For solving the problems of the technologies described above, the photovoltaic module potting compound junction box that the utility model provides, comprise open-topped box body and for encapsulating the lid of described box body, in described box body, be provided with a plurality of conducting blocks, and be provided with diode between adjacent two described conducting blocks, between described conducting block and the bottom of described box body, be reserved with encapsulating gap, and the colloid that described encapsulating gap is filled in described box body fills up.
Preferably, described encapsulating gap is 1.5mm-3mm.
Preferably, described conducting block is fine copper conducting block, red copper conducting block, albronze conducting block or copper aerdentalloy conducting block.
Preferably, the top layer of described conducting block is also plated and is provided with metallic tin layer, metal nickel dam or metallic chromium layer.
Preferably, the described box body back side for the bonding surface, position of photovoltaic component back plate be pitted skin.
Preferably, the width of beating tree lace at the described box body back side is 1mm-10mm.
Preferably, on described box body, is also provided with cable and prevents drawing assembly, and described cable is prevented drawing assembly to comprise:
For cable, by box body outside, penetrated the jack hole of box body inside;
The jam-packed part installing hole being communicated with described jack hole;
Be arranged in described jam-packed part installing hole, and can be by cable jam-packed the jam-packed part on described jack hole inwall.
Preferably, described jam-packed part comprises cylinder and is arranged on a plurality of jam-packed teeth on described cylinder, a plurality of described jam-packed teeth being circumferentially uniformly distributed along described cylinder.
Preferably, described lid and described box body clamping.
Preferably, the medial surface of described lid is also provided with for strengthening the reinforcement of lid intensity.
Photovoltaic module potting compound junction box provided by the utility model comprises open-topped box body and for the lid of Package boxes as can be seen from the above technical solutions, in box body, be provided with a plurality of conducting blocks, and be provided with diode between adjacent two conducting blocks, between conducting block and the bottom of box body, be also reserved with encapsulating gap, and the colloid that encapsulating gap is filled in box body fills up.
Owing to being reserved with encapsulating gap between conducting block and the bottom of box body, therefore when carrying out encapsulating to box body inside, colloid can fill up the encapsulating gap between conducting block and box body bottom, avoid having air layer between conducting block and box body bottom, because conducting block directly contacts with colloid, thereby the heat that produces of conducting block by be first delivered to can the colloid of heat conduction on, then on dispersed colloid to whole box body, and by colloid, be dispersed into rapidly the whole box surface being in contact with it, finally extremely extraneous by box surface Quick diffusing.Than current potting compound junction box, the radiating effect of the potting compound junction box providing in the utility model is better, and radiating efficiency is higher, can effectively avoid the electric elements in terminal box to occur the phenomenon of burning.
Accompanying drawing explanation
The box body of potting compound junction box and the coordinate schematic diagram of conducting block of Fig. 1 for providing in the utility model embodiment;
The medial surface schematic diagram that Fig. 2 is the lid that provides in the utility model embodiment;
Fig. 3 is the side cross-sectional schematic of the lid shown in Fig. 2;
The structural representation that Fig. 4 is the jam-packed part that provides in the utility model embodiment.
Wherein, 1 is box body, and 2 is lid, and 3 is conducting block, and 4 is jam-packed part, and 5 is reinforcement, and 6 is buckle.
Embodiment
Core of the present utility model is to provide a kind of photovoltaic module potting compound junction box, to can improve the radiating effect of conducting block in photovoltaic module potting compound junction box, avoids the electric elements in terminal box to occur burning phenomenon.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The photovoltaic module potting compound junction box providing in the utility model embodiment comprises box body 1 and lid 2, the wherein open top of box body 1, lid 2 is for the opening at Package boxes 1 top, in box body 1, be provided with a plurality of conducting blocks 3, between two adjacent conducting blocks 3, be provided with diode, the core of this potting compound junction box is improved and is, be reserved with encapsulating gap, and the colloid that encapsulating gap is filled in box body 1 fills up between conducting block 3 and the bottom surface of box body 1.
In the photovoltaic module potting compound junction box providing in above-described embodiment, between the bottom of conducting block 3 and box body 1, be reserved with encapsulating gap, therefore when carrying out encapsulating to box body 1 inside, colloid can fill up the encapsulating gap between conducting block 3 and box body 1 bottom, avoid having air layer between conducting block 3 and box body 1 bottom, because conducting block 3 directly contacts with colloid, thereby the heat that produces of conducting block 3 by be first delivered to can the colloid of heat conduction on, then on dispersed colloid to whole box body 1, and by colloid, be dispersed into rapidly whole box body 1 surface being in contact with it, final extremely extraneous by the surperficial Quick diffusing of box body 1.Than current potting compound junction box, the radiating effect of the potting compound junction box providing in the utility model is better, and radiating efficiency is higher, can effectively avoid the electric elements in terminal box to occur the phenomenon of burning.
It is too little that encapsulating gap arranges, and colloid possibly cannot pour into wherein, thereby has made in the terminal box after encapsulating, and conducting block 3 still exists air blanketing with box body 1 bottom; And encapsulating excesssive gap has and can make encapsulating amount larger, easily cause the waste of colloid, therefore in the photovoltaic module potting compound junction box providing in the present embodiment, encapsulating gap is 1.5mm-3mm, 2mm preferably, need to describe, the size in the encapsulating gap in the utility model embodiment is the distance between conducting block 3 and box body 1 bottom surface.
Conducting block 3 is on the one hand for the battery strings to assembly by diodes in parallel, need on the other hand the heat that diode is produced to distribute as early as possible, therefore conducting block 3 will have good electric conductivity and good heat dispersion concurrently, conducting block in the present embodiment 3 is fine copper conducting block for this reason, red copper conducting block, a kind of in albronze conducting block or copper aerdentalloy conducting block, above-mentioned several conducting block all has good electric conductivity and heat conductivility, meet the instructions for use of photovoltaic module potting compound junction box, for further prioritization scheme, can also establish metallic tin layer at the plated surface of conducting block 3, metal nickel dam or metallic chromium layer, under the prerequisite allowing at the inner installing space of box body 1, it is as far as possible large that the surface area of conducting block 3 should design, to can guarantee the radiating effect of box body 1 inside.
In order further to optimize the technical scheme in above-described embodiment, reduce the use amount of silica gel, save production cost, it is pitted skin that box body 1 back side in the present embodiment is used for the position bonding with photovoltaic component back plate, so that strengthen the adhesive strength of box body 1 and photovoltaic component back plate, need to describe, so-called pitted skin be box body 1 back side for the surface at the bonding position of photovoltaic component back plate be matsurface, or graininess surface.Under this prerequisite, the tree lace width design of beating at box body 1 back side is 1mm-10mm, and preferably 3mm, 5mm make beating glue amount and can be no more than 5ml on the terminal box back side like this, but its adhesive strength than before larger, reliability is higher.
Well known to those skilled in the artly be, in terminal box, need to draw two cables that are connected with storage battery or other devices, cable is connected with the conducting block 3 of terminal box inside, no matter be in the process of terminal box transportation, or in the installation process of terminal box and photovoltaic module, all may occur to the pullling of cable, once firmly excessive, to easily cause cable and conducting block 3 to disconnect, cause the fault of assembly; The anti-assembly that draws of cable is also provided in the photovoltaic module potting compound junction box for this reason providing in the present embodiment, and wherein cable is anti-draws assembly to comprise:
For cable, by box body 1 outside, penetrated the jack hole of box body 1 inside;
The jam-packed part installing hole being communicated with jack hole;
Be arranged in jam-packed part installing hole, and can be by cable jam-packed the jam-packed part 4 on jack hole inwall.
As shown in figs. 1 and 4, cable is connected with the conducting block 3 of box body 1 inside through after jack hole, then jam-packed part 4 is penetrated in jam-packed part installing hole, because jam-packed part installing hole is communicated with jack hole, thereby a part for jam-packed part 4 will enter in jack hole, enter into jam-packed part 4 in jack hole by cable jam-packed on the sidewall of jack hole, thereby effectively prevent that in pulling process, displacement appears in cable.
The axis of jam-packed part installing hole is preferably vertical with the axis of jack hole, jam-packed part 4 preferably comprises cylinder and is arranged on a plurality of jam-packed teeth on cylinder, and a plurality of jam-packed teeth being circumferentially uniformly distributed along cylinder, as shown in Figure 4, after in jam-packed part 4 is installed to jam-packed part installing hole, the sidewall of jam-packed part 4 will contact with cable, and under the effect of jam-packed tooth, the outside of cable is the deformation that occurs to match with jam-packed odontoid, thereby further improves the anti-pull ability of cable.
Lid 2 has multiple with the dismantled and assembled mode being connected of box body 1, for example bolt connects, be threaded etc., in order to improve the packaging efficiency of potting compound junction box, the lid 2 in the photovoltaic component terminal box providing in the present embodiment passes through buckle 6 clampings with box body 1, concrete, on lid 2, be provided with buckle 6, as shown in Figure 3, the relevant position of box body 1 is provided with the edge with buckle 6 adaptations, completes the assembling of lid 2 and box body 1 after the buckle 6 on lid 2 and the edge clamping on box body 1.
Please refer to Fig. 1, on box body 1 bottom surface, offer four designated ports that penetrate for convergent belt, designated port is rectangle, and the size of designated port should guarantee that convergent belt penetrates easily, it has been generally acknowledged that the length of designated port and width should at least just can guarantee that at 15mm convergent belt penetrates easily.
In order to improve the impact resistance of potting compound junction box, in the utility model embodiment, also on the medial surface of lid 2, be provided with for strengthening the reinforcement 5 of lid 2 intensity, as shown in Figure 2, this can effectively improve terminal box for the ability to bear of the extreme environments such as severe cold, heat, humidity, dust storm.
Above photovoltaic module potting compound junction box provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (10)
1. a photovoltaic module potting compound junction box, comprise open-topped box body (1) and for encapsulating the lid (2) of described box body (1), in described box body (1), be provided with a plurality of conducting blocks (3), and be provided with diode between adjacent two described conducting blocks (3), it is characterized in that, between the bottom of described conducting block (3) and described box body (1), be reserved with encapsulating gap, and the colloid that described encapsulating gap is filled in described box body fills up.
2. photovoltaic module potting compound junction box according to claim 1, is characterized in that, described encapsulating gap is 1.5mm-3mm.
3. photovoltaic module potting compound junction box according to claim 1, is characterized in that, described conducting block (3) is fine copper conducting block, red copper conducting block, albronze conducting block or copper aerdentalloy conducting block.
4. photovoltaic module potting compound junction box according to claim 3, is characterized in that, the top layer of described conducting block (3) is also plated and is provided with metallic tin layer, metal nickel dam or metallic chromium layer.
5. photovoltaic module potting compound junction box according to claim 1, is characterized in that, it is pitted skin that described box body (1) back side is used for the position surface bonding with photovoltaic component back plate.
6. photovoltaic module potting compound junction box according to claim 5, is characterized in that, the width of beating tree lace at described box body (1) back side is 1mm-10mm.
7. photovoltaic module potting compound junction box according to claim 1, is characterized in that, be also provided with cable and prevent drawing assembly, and described cable is prevented drawing assembly to comprise on described box body (1):
For cable, by box body (1) outside, penetrate the inner jack hole of box body (1);
The jam-packed part installing hole being communicated with described jack hole;
Be arranged in described jam-packed part installing hole, and can be by cable jam-packed the jam-packed part (4) on described jack hole inwall.
8. photovoltaic module potting compound junction box according to claim 7, is characterized in that, described jam-packed part (4) comprises cylinder and is arranged on a plurality of jam-packed teeth on described cylinder, a plurality of described jam-packed teeth being circumferentially uniformly distributed along described cylinder.
9. photovoltaic module potting compound junction box according to claim 1, is characterized in that, described lid (2) and described box body (1) clamping.
10. photovoltaic module potting compound junction box according to claim 1, is characterized in that, the medial surface of described lid (2) is also provided with for strengthening the reinforcement (5) of lid (2) intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240323.3U CN203827286U (en) | 2014-05-12 | 2014-05-12 | Photovoltaic assembly glue-pouring junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240323.3U CN203827286U (en) | 2014-05-12 | 2014-05-12 | Photovoltaic assembly glue-pouring junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827286U true CN203827286U (en) | 2014-09-10 |
Family
ID=51482745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420240323.3U Active CN203827286U (en) | 2014-05-12 | 2014-05-12 | Photovoltaic assembly glue-pouring junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203827286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517037A (en) * | 2017-08-31 | 2017-12-26 | 成都中建材光电材料有限公司 | A kind of terminal box of solar battery structure |
-
2014
- 2014-05-12 CN CN201420240323.3U patent/CN203827286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517037A (en) * | 2017-08-31 | 2017-12-26 | 成都中建材光电材料有限公司 | A kind of terminal box of solar battery structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104467656A (en) | Photovoltaic module junction box with high heat dissipation performance | |
| CN108281499A (en) | A kind of photovoltaic cell component of novel circuit design | |
| CN205005015U (en) | Solar photovoltaic connecting box | |
| CN203827286U (en) | Photovoltaic assembly glue-pouring junction box | |
| CN204013385U (en) | A kind of photovoltaic junction box bypass diode circuit module of device | |
| CN204180011U (en) | The split type photovoltaic junction box of tape cable operator guards | |
| CN201466598U (en) | Photovoltaic component terminal box | |
| US9698290B2 (en) | Solar cell module and method of fabricating the same | |
| CN202127028U (en) | Solar terminal box | |
| CN205725641U (en) | Three, bottom ventilates and internal body diodes is inverted unsettled full encapsulating photovoltaic junction box | |
| CN202190230U (en) | Solar photovoltaic connecting box | |
| KR101305849B1 (en) | Solar cell module | |
| CN203312337U (en) | Connection box for solar batteries | |
| CN205430164U (en) | Photovoltaic terminal box and diode | |
| CN104485884A (en) | Photovoltaic assembly junction box convenient to install and good in heat radiation performance | |
| CN207782751U (en) | A kind of modular fission terminal box | |
| CN204013384U (en) | Photovoltaic junction box | |
| CN209693286U (en) | A kind of novel photovoltaic controller | |
| CN208539849U (en) | A kind of whole other scholar's photovoltaic junction box | |
| CN205647423U (en) | Junction box of solar photovoltaic module | |
| CN202678374U (en) | Bypass protective module for solar photovoltaic connecting box | |
| CN205986763U (en) | Lug and use its photovoltaic assembly junction box | |
| CN207753021U (en) | A kind of photovoltaic module | |
| CN204013389U (en) | A kind of photovoltaic module output connector | |
| CN207834316U (en) | A kind of photovoltaic cell component of novel circuit design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 071000 No. 3055 Fuxing Road, Hebei, Baoding Patentee after: BAODING YITONG PV SCIENCE & TECHNOLOGY CO., LTD. Address before: 071051 Fuxing Middle Road, Hebei, Baoding, No. 3055 Patentee before: Baoding Yitong PV Science & Technology Co., Ltd. |