CN102194896B - Solar photovoltaic junction box assembly - Google Patents
Solar photovoltaic junction box assembly Download PDFInfo
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- CN102194896B CN102194896B CN201010131296.2A CN201010131296A CN102194896B CN 102194896 B CN102194896 B CN 102194896B CN 201010131296 A CN201010131296 A CN 201010131296A CN 102194896 B CN102194896 B CN 102194896B
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Abstract
The invention discloses a solar photovoltaic junction box assembly, which comprises a shell with a box body and a box cover, an external cable, and a diode, a first conductor and a second conductor which are accommodated in the shell, wherein the first conductor is connected in series with the second conductor at two ends of the diode; the external cable is electrically connected with the first conductor; and the diode is arranged in parallel with the external cable and is a blocking diode. Compared with the prior art, the invention has the advantages that: the external cable is arranged in parallel with the blocking diode and a first conducting strip is arranged between the external cable and the blocking diode and is roughly perpendicular to the external cable and the blocking diode, so that more conductive devices can be arranged in limited box body space in a parallel arrangement mode, the space utilization efficiency of the box body is improved, and the dimension of the box body is not needed to be additionally increased.
Description
Technical field
The present invention relates to a kind of photovoltaic junction box assembly, relate in particular to the photovoltaic junction box assembly that the interior conductive devices of a kind of box body is rationally distributed, can effectively utilize the space in the box body.
Background technology
In photovoltaic terminal box technical field, the general series arrangement's mode that is in line that adopts of the conductive devices such as the diode in the terminal box, conducting strip, this series arrangement mode space utilization efficient is low, can not effectively utilize the space in the box body, this can cause the oversize of box body, particularly length dimension.
And, existing terminal box generally adopts the integral coating molding mode to form, conductive devices, such as diode, conducting strip etc. all is wrapped in the plastic material, because plastic material belongs to heat insulator, be unfavorable for the heat radiation of conductive devices, have a strong impact on the performance of the electric device in the terminal box, for example, can cause that diode is overheated to be burnt.
In view of the conductive devices layout that exists in the prior art is unreasonable, the technical problem that box body is oversize is necessary to provide the connection box that a kind of conductive devices layout is more reasonable, can effectively utilize the space in the box body in fact.
Summary of the invention
Therefore, at least one aspect of the present invention is to provide a kind of photovoltaic junction box assembly, comprising: have the shell of box body and lid, be contained in diode, the first electric conductor and the second electric conductor in the described shell, and external cable.Described the first electric conductor and the second electric conductor are connected in series in the two ends of described diode, and described external cable is electrically connected with described the first electric conductor; And described diode and described external cable are arranged side by side, and described diode is blocking diode.
Need to prove, in above preferred embodiment, the electric connection mode of first, second electric conductor and diode both can for being welded to connect, also can be passed through the mode of elastic clip, grafting or crimping.
In a preferred embodiment of the invention, described the first and second electric conductors are the first and second conducting strips; One end of described the first conducting strip and described external cable form and are electrically connected and the other end is electrically connected with described diode formation; One end of described the second conducting strip and described diode form and are electrically connected and the other end is used for being electrically connected with an electrode formation of solar panel.
Need to prove, in the present invention, the electric connection mode of external cable and the first conducting strip can be crimping, also can pass through the mode of elastic clip, grafting or welding.
In another preferred embodiment of the present invention, two rows are arranged on described diode and the mutual almost parallel of described external cable ground in described box body, and described the first electric conductor is between described two rows.
Need to prove, in the present invention, described diode and described external cable can left and rightly in the horizontal direction be arranged to two rows abreast, thereby can effectively utilize the confined space in the shell, in the situation that need not to increase outer casing width, just can place lower required conductive devices.But the present invention is not limited to this, if the not too many restriction of the height of shell, described diode and described external cable also can more than, lower stacked mode is arranged to two rows in short transverse, in order to reduce to greatest extent the width dimensions of shell.
In the above embodiment of the present invention because that external cable and blocking diode are arranged in a side-by is parallel to each other, and the first conducting strip is arranged between external cable and the blocking diode and with external cable and blocking diode approximate vertical.Therefore, arranged two row's conductive devices in the limited width spaces of box body, this side by side layout can improve space utilization efficient, need not increase the size of box body.
In another preferred embodiment of the present invention, an end of described the first conducting strip is with exposed metal-cored being crimped on of described external cable, and an end of the other end and described blocking diode welds together; And an electrode welding of the other end of described the second conducting strip and described blocking diode and solar panel together.
In another preferred embodiment of the present invention, also have in the described box body and be arranged to the internal electrical splicing ear that extends along the cable connection direction, an end of described internal electrical splicing ear be electrically connected with described the first electric conductor and the other end for being electrically connected with external cable.
In another preferred embodiment of the present invention, an end of described internal electrical splicing ear and an end of described the first conducting strip weld together.But the present invention is not limited to this, and an end of described internal electrical splicing ear and an end of described the first conducting strip also can be electrically connected by the mode of elastic clip, grafting or crimping.
In another preferred embodiment of the present invention, the other end of described box body forms the coupling part, described coupling part has be used to the insertion chamber of inserting outside electric connector, and the other end of described internal electrical splicing ear stretches in the insertion chamber of described coupling part and is electrically connected with the electric connection terminal of outside electric connector in inserting described insertion chamber.
In another preferred embodiment of the present invention, also have snap open on the described coupling part, be used for described outside electric connector on the buckle projection be fastened togather.
In another preferred embodiment of the present invention, in described box body, form for the encapsulating chamber of injecting gel, described blocking diode, the first conducting strip and the second conducting strip are contained in the described encapsulating chamber, and are fixed in the described box body by the gel that injects described encapsulating chamber.
In the preferred embodiment, because conductive devices is not to be wrapped in the plastic material of Overmolded box body, but be placed in the encapsulating chamber of box body, be fixed in the box body by the gel that injects the encapsulating chamber, the radiating effect of gel will be far superior to the plastic material of moulding box body, therefore, can improve the radiating effect of conductive devices, thereby improve the electric property of whole terminal box.
In another preferred embodiment of the present invention, described box body one end outer wall and access place of described external cable form the first Overmolded structure, are used for described external cable is attached to described box body.
In the preferred embodiment, the box body of disposable Overmolded (overmolding) forms the first Overmolded structure junction of external cable and box body is fastening and that be fixed together hermetically.Like this, just do not need special securing member that external cable and box body are tightened together.In addition, the aforementioned first Overmolded structure not only has reliable fixed function, but also has certain sealing property, can prevent partly that sealing infiltrates in the box body.
In another preferred embodiment of the present invention, closely be socketed with a marmon clamp on the described external cable, described marmon clamp is covered by in the first Overmolded structure; And described marmon clamp forms a pair of flank that extends to both sides, in order to strengthen the adhesion between external cable and the described box body.
In the preferred embodiment, the effect that a pair of flank on the marmon clamp can play thrust, only draw can either prevent reliably that external cable is pulled with respect to box body, can prevent reliably that also external cable from inwardly being promoted with respect to box body.Pine is drawn in exposed metal-cored and described first conducting strip crimping place that so just can prevent further external cable.Need to prove, can also form on the marmon clamp other type thrust, end pull-up structure, such as two-way hangnail structure etc.According to technology instruction of the present invention, these equivalent variations examples ought to fall within the scope of protection of the present invention.
In another preferred embodiment of the present invention, described box body also forms the second Overmolded structure in exposed crimping place metal-cored and described the first conducting strip of described external cable, for being electrically connected reliably between exposed metal-cored and described the first conducting strip of guaranteeing described external cable.
In another preferred embodiment of the present invention, described at least one conductive devices also comprises electric connection terminal, and an end of described electric connection terminal is electrically connected with described the first conducting strip, and the other end is electrically connected with outside electric connection terminal.
In another preferred embodiment of the present invention, the other end of described box body forms the coupling part, described coupling part has be used to the insertion chamber of inserting outside electric connection terminal, and the other end of described electric connection terminal stretches in the insertion chamber of described coupling part and is electrically connected with outside electric connection terminal in inserting described insertion chamber.
In another preferred embodiment of the present invention, the at least a portion in described encapsulating chamber is between the described first Overmolded structure and the described second Overmolded structure, so that at least a portion of described external cable is placed in the described encapsulating chamber, and be fixed in the described box body by the gel that injects described encapsulating chamber.
In the preferred embodiment, the part of the external cable in the box body is tightly connected with described box body by gel, so just can prevent reliably that sealing enters in the box body from the slit between box body and the external cable.
In another preferred embodiment of the present invention, described box body also forms a pair of fixing rib, and described a pair of fixing rib is fixed on the described box body from both sides with described the first conducting strip, thereby the first conducting strip is fixed in the box body reliably.
In another preferred embodiment of the present invention, in the encapsulating chamber of an end of described internal electrical splicing ear between described a pair of fixing rib, thereby can improve the thermal diffusivity of internal electrical splicing ear.
In another preferred embodiment of the present invention, described photovoltaic junction box assembly also comprises the lid be used to the opening that covers described box body, form a pair of screwed hole on the described lid, form a pair of connection column corresponding with described a pair of screwed hole in the described box body, described lid is fixed on the described box body by the threaded connector that is screwed in the screwed hole.This syndeton is simple, is easy to realize.Certainly, the present invention is not limited to this, can also adopt the modes such as buckle that lid is fixed on the box body.
In above-mentioned each embodiment of the present invention arrange abreast because external cable is parallel with blocking diode, and the first conducting strip is arranged between external cable and the blocking diode and with external cable and blocking diode approximate vertical.The mode of this parallel side by side layout can be arranged more conductive devices in limited box space, improved the space utilization efficient in the box body, does not need to increase extraly the size of box body.
Description of drawings
Fig. 1 shows the schematic perspective view of photovoltaic junction box assembly according to an embodiment of the invention, and wherein lid is in closure state;
Fig. 2 shows the schematic perspective view of photovoltaic junction box assembly according to an embodiment of the invention, and wherein lid is in open mode;
Fig. 3 is the structural representation of the conductive devices in the photovoltaic terminal box shown in Fig. 1-2;
Fig. 4 shows the structural representation that external cable is crimped on the first conducting strip; With
Fig. 5 shows a photovoltaic junction box assembly shown in Figure 1 and the interconnective schematic diagram of another photovoltaic junction box assembly.
Embodiment
The below describes embodiments of the invention in detail, and the example of embodiment is shown in the drawings, and wherein same or analogous label represents same or analogous element.The embodiment that describes below with reference to accompanying drawing is exemplary, is intended to explain the present invention, and can not be interpreted as limitation of the present invention.
Fig. 1 to Fig. 5 shows an embodiment of photovoltaic junction box assembly of the present invention.
Fig. 1 shows the schematic perspective view of photovoltaic junction box assembly according to an embodiment of the invention, and wherein lid is in closure state; Fig. 2 shows the schematic perspective view of photovoltaic junction box assembly according to an embodiment of the invention, and wherein lid is in open mode; Fig. 3 is the structural representation of the conductive devices in the photovoltaic terminal box shown in Fig. 1-2.
Such as Fig. 1, Fig. 2 and shown in Figure 3, photovoltaic junction box assembly 10 comprises: the shell with box body 200 and lid 300; Hold in the enclosure blocking diode 410, the first electric conductor (the first conducting strip) the 420 and second electric conductor (the second conducting strip) 430; With external cable 100.
In the preferred embodiment of Fig. 1-shown in Figure 3, one end of external cable 100 stretches in the box body 200, be used for being electrically connected with the first electric conductor 420 in the box body 200, the other end of external cable 100 has an outside electric connector 140 (seeing also Fig. 5), is used for being electrically connected with another one photovoltaic junction box assembly (not shown).
Need to prove, although in illustrated preferred embodiment, external cable 100 parts stretch in the box body 200,, the present invention is not limited to this, and external cable also can be positioned at outside box body or the box body.
As shown in Figures 2 and 3, in this preferred embodiment, the first electric conductor 420 and the second electric conductor 430 are connected in series in the two ends of blocking diode 410, and the first electric conductor 420 is connected in parallel with external cable 100.
Although not shown, in the present embodiment, blocking diode 410 and solar panel, for example thin-film solar cell panel is connected in series.The effect of blocking diode 410 mainly is: when the solar panel of connecting with blocking diode 410 was blocked or goes wrong, this blocking diode 410 can be blocked the circuit that is connected with solar panel, prevented that electric current from flowing through from this solar panel.
As shown in Figures 2 and 3, the first conducting strip 420 is arranged to extend along the Width W of box body.External cable 100 is positioned at the side (right side) of the broad ways W of the first conducting strip 420, and length direction (the external cable wiring direction) L that is arranged to along box body extends.Blocking diode 410 and the second conducting strip 430 are positioned at the opposite side (left side) of the broad ways W of the first conducting strip 420, and be arranged to external cable 100 side by side and almost parallel.
In the above embodiment of the present invention because that external cable and blocking diode are arranged in a side-by is parallel to each other, and the first conducting strip is arranged between external cable and the blocking diode and with external cable and blocking diode approximate vertical.Therefore, arranged two row's conductive devices in the limited width spaces of box body, this side by side layout can improve space utilization efficient, need not increase the size of box body.
Need to prove, although in illustrated preferred embodiment, blocking diode 410 and external cable 100 left and right abreast settings.But the present invention is not limited to this, if the not too many restriction of the height of shell, blocking diode and external cable also can through-thickness is upper and lower be arranged to two rows, in order to reduce to greatest extent the width dimensions of shell.
In addition, also need to prove, although in illustrated preferred embodiment, shell be shaped as cuboid,, shell also can form square or other any suitable shape.
In a further advantageous embodiment, please continue referring to Fig. 2 and Fig. 3, one end (right-hand member) of the first conducting strip 420 is crimped on exposed metal-cored 120 of external cable 100, and the other end (left end) welds together with an end of blocking diode 410; And the second conducting strip 430 is in the same place with an electrode welding in the negative pole with the other end of blocking diode 410 and the positive pole of solar panel.
But, need to prove, the present invention is not limited to this, and the exposed metal-cored connected mode of an end of the first conducting strip and external cable also can be the mode of elastic clip, welding or grafting.The connected mode of one end of the other end of the first conducting strip and blocking diode also can be the mode of elastic clip, crimping or grafting.Equally, the connected mode of the other end of the second conducting strip and blocking diode also can be the mode of elastic clip, crimping or grafting.
In a further advantageous embodiment, please continue referring to Fig. 2 and Fig. 3, also have the internal electrical splicing ear 440 that is arranged to along the length direction L extension of box body in the box body 200, this internal electrical splicing ear 440 is positioned at an end (right-hand member) of the broad ways of the first conducting strip 420.
In a further advantageous embodiment, please continue referring to Fig. 2 and Fig. 3, an end of an end of internal electrical splicing ear 440 and the first conducting strip 420 welds together.But, need to prove, the present invention is not limited to this, and an end of internal electrical splicing ear also can connect or contact with a side pressure of the first conducting strip and be connected.
Fig. 5 shows a photovoltaic junction box assembly shown in Figure 1 10 and another photovoltaic junction box assembly 10 ' interconnective schematic diagram.
Such as Fig. 2 and shown in Figure 5, in a preferred embodiment of the invention, the other end of the box body 200 of photovoltaic junction box assembly 10 forms coupling part 240, this coupling part 240 has the chamber 242 of insertion, outside electric connector 140 ' on the end of the external cable 100 ' of another photovoltaic junction box assembly 10 ' inserts in the insertion chamber 242 of this coupling part 240, is used for two photovoltaic junction box assemblies 10,10 ' are linked together.
See also Fig. 2, Fig. 3 and Fig. 5, the other end of internal electrical splicing ear 440 stretches into forward in the insertion chamber 242 of coupling part 240 and with being inserted into the electric connection terminal 142 ' that inserts the outside electric connector 140 ' in the chamber 242 and is electrically connected, thereby two photovoltaic junction box assemblies 10,10 ' are electrically connected.
In the present invention, two photovoltaic junction box assemblies 10,10 ' structure are identical, and they are respectively applied to solar panel separately, thin-film solar cell panel for example, thus each solar panel is linked together in parallel.In the present invention, the effect of blocking-up diode is, when a solar panel was blocked or goes wrong, corresponding blocking-up diode can prevent electric current this solar panel of flowing through.
See also Fig. 5, in another preferred embodiment of the present invention, also have snap open 244 on the coupling part 240, be used for outside electric connector 140 ' on buckle projection 144 ' be fastened togather.
See also Fig. 5, the structure of the structure of the outside electric connector 140 of the end of the external cable 100 of photovoltaic junction box assembly 10 and the outside electric connector 140 ' of photovoltaic junction box assembly 10 ' is identical, have equally electric connection terminal 142 and buckle projection 144, be used for being connected with other photovoltaic junction box assembly.
As shown in Figure 2, in another preferred embodiment of the present invention, in box body 200, form for the encapsulating chamber 250 of injecting gel, diode 410, the first conducting strip 420 and the second conducting strip 430 as conductive devices are contained in the encapsulating chamber 250, and are fixed in the box body 200 by the gel (not shown) that injects encapsulating chamber 250.
In the preferred embodiment, because conductive devices is not to be wrapped in the plastic material of Overmolded box body, but be placed in the encapsulating chamber of box body, be fixed in the box body by the gel that injects the encapsulating chamber, the radiating effect of gel will be far superior to the plastic material of moulding box body, therefore, can improve the radiating effect of conductive devices, thereby improve the electric property of whole terminal box.
Please continue referring to Fig. 2, in another preferred embodiment of the present invention, box body 200 1 end outer walls and external cable 100 accesses place form the first Overmolded structure 210, are used for external cable 100 is attached to box body 200.In the preferred embodiment, this first Overmolded structure securely is fixed together external cable and box body, like this, does not just need special securing member that external cable and box body are tightened together.In addition, the aforementioned first Overmolded structure not only has reliable fixed function, but also has certain sealing property, can prevent partly that sealing infiltrates in the box body.
As shown in Figure 3 and Figure 4, in another preferred embodiment of the present invention, closely be socketed with a marmon clamp 130 on the external cable 100, this marmon clamp 130 is covered by in the first Overmolded structure 210; And marmon clamp 130 forms a pair of flank 132,134 that extends to both sides, in order to further strengthen the adhesion between external cable 100 and the box body 200.In the preferred embodiment, the effect that a pair of flank on the marmon clamp can play thrust, only draw can either prevent reliably that external cable is pulled with respect to box body, can prevent reliably that also external cable from inwardly being promoted with respect to box body.Pine is drawn in exposed metal-cored and described first conducting strip crimping place that so just can prevent further external cable.Need to prove, can also form on the marmon clamp other type thrust, end pull-up structure, such as two-way hangnail structure etc.According to technology instruction of the present invention, these equivalent variations examples ought to fall within the scope of protection of the present invention.
As shown in Figure 2, in another preferred embodiment of the present invention, box body 200 also forms the second Overmolded structure 220, this second Overmolded structure 220 is in crimping place of exposed metal-cored 120 and first conducting strip 420 of external cable 100 and wrap crimping part between them, be used for guaranteeing external cable 100 expose metal-cored 120 with the first conducting strip 420 between be electrically connected reliably.
As shown in Figures 2 and 3, in another preferred embodiment of the present invention, the at least a portion in encapsulating chamber 250 is between the first Overmolded structure 210 and the second Overmolded structure 220, so that at least a portion 110 of external cable 100 is placed in the encapsulating chamber 250, and be fixed in the box body 200 by the gel that injects encapsulating chamber 250.In the preferred embodiment, because the thermal coefficient of expansion between the plastic material of box body and the foreskin of external cable is inconsistent, therefore, under the impact of expanding with heat and contract with cold, at the first Overmolded structure place, the slit may occur between box body outer wall and the external cable, therefore, need to have the anti-sealing of waterproof construction to infiltrate in the box body from the slit between box body outer wall and the external cable.In the present embodiment, the part owing to external cable is sealed connected together with box body by fluid sealant.Therefore, can prevent reliably that sealing enters in the box body from the slit between box body outer wall and the external cable.
As shown in Figure 2, in another preferred embodiment of the present invention, box body 200 also forms a pair of fixing rib 232,234, and this a pair of fixing rib 232,234 is fixed on the first conducting strip 420 the described box body 200 from both sides, thereby the first conducting strip is fixed in the box body reliably.
As shown in Figures 2 and 3, in illustrated preferred embodiment, in the encapsulating chamber 250 of an end of electric connection terminal 440 between a pair of fixing rib 232,234.
As depicted in figs. 1 and 2, in illustrated preferred embodiment, form a pair of screwed hole 302,304 on the lid 300, form in the box body 200 and a pair of screwed hole 302,304 corresponding a pair of connection columns 202,204, utilize a pair of threaded connector, for example screw can be fixed to lid 300 on the box body 200.This syndeton is simple, is easy to realize.Certainly, the present invention is not limited to this, can also adopt the modes such as buckle that lid is fixed on the box body.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (15)
1. a photovoltaic junction box assembly (10) comprising: the shell with box body (200) and lid (300); Be contained in diode (410), the first electric conductor (420) and the second electric conductor (430) in the described shell; And external cable (100), it is characterized in that:
Described the first electric conductor (420) and the second electric conductor (430) are connected in series in the two ends of described diode (410), and described external cable (100) is electrically connected with described the first electric conductor (420); And
Described diode and described external cable are arranged side by side, and described diode is blocking diode,
Wherein, described external cable (100) and described diode (410) roughly are parallel to each other, described the first electric conductor (420) be arranged between external cable (100) and the diode (410) and with external cable (100) and diode (410) approximate vertical.
2. according to photovoltaic junction box assembly claimed in claim 1 (10), it is characterized in that, described the first and second electric conductors are the first and second conducting strips; One end of described the first conducting strip and described external cable form and are electrically connected and the other end is electrically connected with described diode formation; One end of described the second conducting strip and described diode form and are electrically connected and the other end is used for being electrically connected with an electrode formation of solar panel.
3. according to photovoltaic junction box assembly claimed in claim 2 (10), it is characterized in that:
One end of described the first conducting strip (420) is crimped on exposed metal-cored (120) of described external cable (100), and an end of the other end and described blocking diode (410) welds together; And
The other end of described the second conducting strip (430) and described blocking diode (410) and an electrode welding of solar panel are together.
4. according to photovoltaic junction box assembly claimed in claim 2 (10), it is characterized in that:
Also have in the described box body (200) and be arranged to the internal electrical splicing ear (440) that extends along external cable wiring direction, an end of described internal electrical splicing ear (440) be electrically connected with described the first electric conductor and the other end for being electrically connected with external cable (100 ').
5. according to photovoltaic junction box assembly claimed in claim 4 (10), it is characterized in that:
One end of one end of described internal electrical splicing ear (440) and described the first electric conductor (420) welds together.
6. according to photovoltaic junction box assembly claimed in claim 5, it is characterized in that:
The other end of described box body (200) forms coupling part (240), described coupling part (240) has be used to the insertion chamber (242) of inserting outside electric connector (140 '), and the other end of described internal electrical splicing ear (440) stretches in the insertion chamber (242) of described coupling part (240) and is electrically connected with the electric connection terminal (142 ') of outside electric connector (140 ') in inserting described insertion chamber (242).
7. according to photovoltaic junction box assembly claimed in claim 6, it is characterized in that:
Also have snap open (244) on the described coupling part (240), be used for described outside electric connector (140 ') on buckle projection (144 ') be fastened togather.
8. according to photovoltaic junction box assembly claimed in claim 4, it is characterized in that:
In described box body (200), form for the encapsulating chamber (250) of injecting gel, described blocking diode (410), the first conducting strip (420) and the second conducting strip (430) are contained in the described encapsulating chamber (250), and are fixed in the described box body (200) by the gel that injects described encapsulating chamber (250).
9. according to photovoltaic junction box assembly claimed in claim 8, it is characterized in that:
Described box body (200) one end outer walls and described external cable (100) access place form the first Overmolded structure (210), are used for described external cable (100) is attached to described box body (200).
10. according to photovoltaic junction box assembly claimed in claim 9, it is characterized in that:
Closely be socketed with a marmon clamp (130) on the described external cable (100), described marmon clamp (130) is covered by in the first Overmolded structure (210); And
Described marmon clamp (130) forms a pair of flank (132,134) that extends to both sides, in order to strengthen the adhesion between external cable (100) and the described box body (200).
11. according to photovoltaic junction box assembly claimed in claim 10, it is characterized in that:
Described box body (200) also forms the second Overmolded structure (220) in crimping place of exposed metal-cored (120) of described external cable (100) and described the first conducting strip (420), is electrically connected reliably between exposed metal-cored (120) that are used for guaranteeing described external cable (100) and described the first conducting strip (420).
12. according to the described photovoltaic junction box assembly of claim 11, it is characterized in that:
At least a portion in described encapsulating chamber (250) is positioned between the described first Overmolded structure (210) and the described second Overmolded structure (220), so that at least a portion (110) of described external cable (100) is placed in the described encapsulating chamber (250), and be fixed in the described box body (200) by the gel that injects described encapsulating chamber (250).
13. according to the described photovoltaic junction box assembly of claim 11, it is characterized in that:
Described box body (200) also forms a pair of fixing rib (232,234), and described a pair of fixing rib (232,234) is fixed on described the first conducting strip (420) the described box body (200) from both sides.
14. according to the described photovoltaic junction box assembly of claim 13, it is characterized in that:
One end of described internal electrical splicing ear (440) is arranged in the encapsulating chamber (250) between the described a pair of fixing rib (232,234).
15. according to the described photovoltaic junction box assembly of claim 14, it is characterized in that:
Form a pair of screwed hole (302,304) on the lid of described shell (300), form a pair of connection column (202,204) corresponding with described a pair of screwed hole (302,304) in the described box body (200), described lid (300) is fixed on the described box body (200) by the threaded connector that is screwed in the screwed hole (302,304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010131296.2A CN102194896B (en) | 2010-03-12 | 2010-03-12 | Solar photovoltaic junction box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010131296.2A CN102194896B (en) | 2010-03-12 | 2010-03-12 | Solar photovoltaic junction box assembly |
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| CN102194896A CN102194896A (en) | 2011-09-21 |
| CN102194896B true CN102194896B (en) | 2013-03-27 |
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| CN201010131296.2A Expired - Fee Related CN102194896B (en) | 2010-03-12 | 2010-03-12 | Solar photovoltaic junction box assembly |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544157A (en) * | 2012-02-06 | 2012-07-04 | 浙江信达利新能源科技有限公司 | Solar energy photovoltaic junction box component |
| CN103077988B (en) * | 2013-02-01 | 2016-02-03 | 苏州同泰新能源科技有限公司 | Photovoltaic intelligent management module junction box |
| CN104901622A (en) * | 2015-05-28 | 2015-09-09 | 常熟市冠日新材料有限公司 | Junction box for solar photovoltaic assembly |
| CN116346027B (en) * | 2023-03-03 | 2023-12-12 | 宁波博朋电子有限责任公司 | Junction box applied to ultra-high power photovoltaic module |
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| JP2004134717A (en) * | 2002-10-10 | 2004-04-30 | Sumisho Metalex Corp | Terminal box for solar cell module, and its forming method |
| WO2007013262A1 (en) * | 2005-07-28 | 2007-02-01 | Sumitomo Wiring Systems, Ltd. | Terminal box for solar cell module |
| CN101459392A (en) * | 2008-12-31 | 2009-06-17 | 李明斌 | Wiring box for solar photovoltaic power generation system |
-
2010
- 2010-03-12 CN CN201010131296.2A patent/CN102194896B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253382A (en) * | 1998-10-29 | 2000-05-17 | 住友电装株式会社 | Junction box set and solar energy battery board and junction box assembly block |
| CN1450663A (en) * | 2002-04-10 | 2003-10-22 | 住友电装株式会社 | Terminal box apparatus for solar energy battery module |
| JP2004134717A (en) * | 2002-10-10 | 2004-04-30 | Sumisho Metalex Corp | Terminal box for solar cell module, and its forming method |
| WO2007013262A1 (en) * | 2005-07-28 | 2007-02-01 | Sumitomo Wiring Systems, Ltd. | Terminal box for solar cell module |
| CN101459392A (en) * | 2008-12-31 | 2009-06-17 | 李明斌 | Wiring box for solar photovoltaic power generation system |
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| Publication number | Publication date |
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| CN102194896A (en) | 2011-09-21 |
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