CN202996867U - Photovoltaic assembly wire connection box - Google Patents
Photovoltaic assembly wire connection box Download PDFInfo
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- CN202996867U CN202996867U CN2013200026657U CN201320002665U CN202996867U CN 202996867 U CN202996867 U CN 202996867U CN 2013200026657 U CN2013200026657 U CN 2013200026657U CN 201320002665 U CN201320002665 U CN 201320002665U CN 202996867 U CN202996867 U CN 202996867U
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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 utility model discloses a photovoltaic assembly wire connection box comprising a box body, multiple groups of input ends and bypass diodes, multiple illuminating diodes, and multiple current-limiting resistors, wherein the multiple groups of input ends and bypass diodes are arranged in the box body, the illuminating diodes are respectively connected with the bypass diodes in parallel, positive electrodes of the illuminating diodes are connected with positive electrodes of the bypass diodes, the current-limiting resistor are respectively connected with the illuminating diodes in series, and the current-limiting resistors are respectively connected with corresponding bypass diodes in parallel. When the bypass diodes are powered on, the illuminating diodes can be powered on at the same time and can illuminate, positions of battery sheets which do not work in a normal way can be indicated, and therefore targeted measures can be taken. The problem that because part of an assembly is damaged and is not disposed for a long time, electricity generating capacity is affected, accidents such as fire hazards can be caused, and severe economy losses are caused can be prevented. What is more, the illuminating diodes are connected with the current-limiting resistors in series, currents flowing through the illuminating diodes can be restricted, and normal work of the illuminating diodes can be guaranteed.
Description
Technical field
The utility model belongs to the photovoltaic module field, relates in particular to a kind of photovoltaic component terminal box.
Background technology
In recent years, the solar battery sheet production technology is constantly progressive, and production cost constantly reduces, and conversion efficiency improves constantly, and makes the day by day universal also fast development of application of photovoltaic generation, becomes gradually the important sources of supply of electric power.Solar battery sheet can be transform light energy electric energy under the irradiation of sunlight, realizes photovoltaic generation.
When the solar battery sheet practical application, need a large amount of solar battery sheets is coupled together into the solar cell string, through encapsulation, then thereto, form photovoltaic module, the terminal box of described photovoltaic module is the interface of outside output voltage, the connected mode of existing solar cell string and terminal box as shown in Figure 1, four wiring place are arranged in terminal box 1, connect respectively four convergent belts 2 of drawing from battery strings, bypass diode 3 oppositely is installed on two adjacent wiring place, with battery series-parallel connection.
Because diode has unilateral conduction, electric current can only flow into from the positive pole of diode, and negative pole flows out.In foregoing circuit, when cell piece worked, bypass diode oppositely ended, and circuit is not produced any effect.When if there is the cell piece of a non-normal working in the cell piece group in parallel with bypass diode, the bypass diode conducting in parallel with the cell piece of non-normal working.At this moment, the non-normal working cell piece is prevented that by short circuit cell piece from becoming load because can not get illumination or other reasons, produces the impaired phenomenon of serious heating.
Although when the components irregular working, bypass diode can be poured out electric current.But can not intuitive judgment go out that assembly, which string battery strings does not work.If be untreated for a long time because components damages, not only affect energy output, but the accident such as fire hazard even causes serious economic loss.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of photovoltaic component terminal box, can judge the position of non-normal working cell piece, avoid being untreated for a long time because components damages, not only affect energy output, but the accident such as fire hazard even causes the problem of serious economic loss.
This photovoltaic component terminal box comprises:
A kind of photovoltaic component terminal box comprises box body and is arranged on described box body interior many groups input and bypass diode, also comprises:
A plurality of Light-Emitting Diodes, described Light-Emitting Diode are in parallel with described bypass diode respectively, and the positive pole of described Light-Emitting Diode is connected with the positive pole of described bypass diode;
A plurality of current-limiting resistances, described current-limiting resistance is connected with described Light-Emitting Diode respectively, and in parallel with corresponding bypass diode.
Preferably, the resistance of described current-limiting resistance is 50 Ω ~ 500 Ω.
Preferably, described photovoltaic component terminal box also comprises: be arranged on the watch window on described terminal box.
Preferably, described photovoltaic component terminal box also comprises: the transparent protective film that is arranged on described watch window place.
Compared with prior art, photovoltaic component terminal box provided by the utility model, owing to also comprising a plurality of Light-Emitting Diodes, described Light-Emitting Diode is in parallel with described bypass diode respectively.In the bypass diode conducting, the conducting simultaneously of described Light-Emitting Diode is luminous, and then the position of indication non-normal working cell piece, thereby can take measure targetedly, avoid being untreated for a long time because components damages, not only affect energy output, but the accident such as fire hazard even causes the problem of serious economic loss.And, connect with described Light-Emitting Diode and be in series with current-limiting resistance, can limit the electric current of the Light-Emitting Diode of flowing through, guarantee the normal operation of Light-Emitting Diode.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the required accompanying drawing that will use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of photovoltaic component terminal box schematic diagram that the embodiment of the present application provides;
Fig. 2 is the another kind of photovoltaic component terminal box schematic diagram that the embodiment of the present application provides;
Fig. 3 is another photovoltaic component terminal box schematic diagram that the embodiment of the present application provides.
Embodiment
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the profile of expression device architecture can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
Embodiment one:
The present embodiment discloses a kind of photovoltaic component terminal box, comprising: box body and the many groups input and the bypass diode that are arranged in described box body; A plurality of Light-Emitting Diodes, described Light-Emitting Diode are in parallel with described bypass diode respectively, and the positive pole of described Light-Emitting Diode is connected with the positive pole of described bypass diode; A plurality of current-limiting resistances, described current-limiting resistance is connected with described Light-Emitting Diode respectively, and in parallel with corresponding bypass diode.
Take terminal box with three groups of inputs as example, as shown in Figure 1, described photovoltaic component terminal box comprises:
First input end IN1, the second input IN2 and the 3rd input IN3, described first input end IN1, the second input IN2 and the 3rd input IN3 all access the convergent belt of being drawn by photovoltaic cell component.
The first bypass diode D1, described the first bypass diode D1 is in parallel with described first input end IN1, and an end that is connected with described the first bypass diode D1 negative pole is the positive pole of first input end IN1; The second bypass diode D2, described the second bypass diode D2 is in parallel with described the second input IN2, and an end that is connected with described the second bypass diode D2 negative pole is the positive pole of the second input IN2; The 3rd bypass diode D3, described the 3rd bypass diode D3 is in parallel with described the 3rd input IN3, and an end that is connected with described the 3rd bypass diode D3 negative pole is the positive pole of the 3rd input IN3.
The first Light-Emitting Diode LED1 and the first current-limiting resistance R1, described the first Light-Emitting Diode LED1 and the first current-limiting resistance R1 series connection, and in parallel with described the first bypass diode D1 again after described the first Light-Emitting Diode LED1 and the first current-limiting resistance R1 series connection, wherein, the positive pole of described the first Light-Emitting Diode LED1 is connected with the positive pole of described the first bypass diode D1; The second Light-Emitting Diode LED2 and the second current-limiting resistance R2, described the second Light-Emitting Diode LED2 and the second current-limiting resistance R2 series connection, and in parallel with described the second bypass diode D2 again after described the second Light-Emitting Diode LED2 and the second current-limiting resistance R2 series connection, wherein, the positive pole of described the second Light-Emitting Diode LED2 is connected with the positive pole of described the second bypass diode D2; The 3rd Light-Emitting Diode LED3 and the 3rd current-limiting resistance R3, described the 3rd Light-Emitting Diode LED3 and the 3rd current-limiting resistance R3 series connection, and in parallel with described the 3rd bypass diode D3 again after described the 3rd Light-Emitting Diode LED3 and the 3rd current-limiting resistance R3 series connection, wherein, the positive pole of described the 3rd Light-Emitting Diode LED3 is connected with the positive pole of described the 3rd bypass diode D3.
In addition, described photovoltaic component terminal box also comprises output OUT, and the positive pole of described output OUT is connected with the positive pole of described first input end IN1, and the negative pole of described output OUT is connected with the negative pole of described the 3rd input IN3.
If in the time of the solar battery sheet non-normal working in parallel with the first bypass diode D1, the first bypass diode D1 conducting, the solar battery sheet in parallel with the first bypass diode D1 is by short circuit.At this moment, the first Light-Emitting Diode LED1 in parallel with described the first bypass diode D1 is luminous, the position of indication non-normal working cell piece, thereby can take measure targetedly, avoid being untreated for a long time because components damages, not only affect energy output, but the accident such as fire hazard even causes the problem of serious economic loss.
In addition, because light-emitting diode allows the electric current that passes through less, generally below 100mA, and the electric current that the bypass diode of photovoltaic module allows to pass through at least will be more than 10A, so light-emitting diode can not be connected with bypass diode.And, at described Light-Emitting Diode with when bypass diode is in parallel, also need to be at current-limiting resistance of branch road series connection of light-emitting diode, to guarantee the normal operation of Light-Emitting Diode.According to selected light-emitting diode and modular construction, the resistance of described current-limiting resistance selects the tens a certain numerical value to hundreds of ohm to get final product.Preferably, the resistance of described current-limiting resistance is 50 Ω ~ 500 Ω.
Embodiment two:
The present embodiment discloses another kind of photovoltaic component terminal box, comprising: box body and the many groups input and the bypass diode that are arranged in described box body; A plurality of Light-Emitting Diodes, described Light-Emitting Diode are in parallel with described bypass diode respectively; A plurality of current-limiting resistances, described current-limiting resistance is connected with described Light-Emitting Diode respectively, and in parallel with corresponding bypass diode.
Be with above-described embodiment difference, as shown in Figure 2, described photovoltaic component terminal box also comprises: be arranged on the watch window 10 on described terminal box 1.Described watch window 10 correspondences the Light-Emitting Diode setting, to guarantee observing the intuitively light that Light-Emitting Diode sends.As shown in Figure 2, described watch window 10 is a rectangular window, and perhaps described watch window 10 can also be a circular or oval window, only otherwise impact observe Light-Emitting Diode and get final product.
In addition, photovoltaic component terminal box also comprises the transparent protective film that is arranged on described watch window place, with the line security in the protection terminal box.
Perhaps, as shown in Figure 3, described watch window 20 can also be set to a plurality of, and namely watch window 20 correspondences a Light-Emitting Diode, such fastness that can guarantee box body 2 that arranges.
In this specification, various piece adopts the mode of going forward one by one to describe, and what each part stressed is and the difference of other parts that between various piece, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, this area professional and technical personnel can be realized maybe using the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a photovoltaic component terminal box, comprise box body and be arranged on described box body interior many groups input and bypass diode, it is characterized in that, also comprises:
A plurality of Light-Emitting Diodes, described Light-Emitting Diode are in parallel with described bypass diode respectively, and the positive pole of described Light-Emitting Diode is connected with the positive pole of described bypass diode;
A plurality of current-limiting resistances, described current-limiting resistance is connected with described Light-Emitting Diode respectively, and in parallel with corresponding bypass diode.
2. photovoltaic component terminal box according to claim 1, is characterized in that, the resistance of described current-limiting resistance is 50 Ω ~ 500 Ω.
3. photovoltaic component terminal box according to claim 1, is characterized in that, also comprises: be arranged on the watch window on described terminal box.
4. photovoltaic component terminal box according to claim 3, is characterized in that, also comprises: the transparent protective film that is arranged on described watch window place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200026657U CN202996867U (en) | 2013-01-04 | 2013-01-04 | Photovoltaic assembly wire connection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200026657U CN202996867U (en) | 2013-01-04 | 2013-01-04 | Photovoltaic assembly wire connection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996867U true CN202996867U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200026657U Expired - Lifetime CN202996867U (en) | 2013-01-04 | 2013-01-04 | Photovoltaic assembly wire connection box |
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| Country | Link |
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| CN (1) | CN202996867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008309A (en) * | 2018-03-05 | 2018-05-08 | 无锡南理工新能源电动车科技发展有限公司 | A kind of battery pack bypass diode Online Transaction Processing |
| DE102021125242A1 (en) | 2021-09-29 | 2023-03-30 | Weidmüller Interface GmbH & Co. KG | Photovoltaic module and connection arrangement for a photovoltaic module |
-
2013
- 2013-01-04 CN CN2013200026657U patent/CN202996867U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008309A (en) * | 2018-03-05 | 2018-05-08 | 无锡南理工新能源电动车科技发展有限公司 | A kind of battery pack bypass diode Online Transaction Processing |
| DE102021125242A1 (en) | 2021-09-29 | 2023-03-30 | Weidmüller Interface GmbH & Co. KG | Photovoltaic module and connection arrangement for a photovoltaic module |
| EP4160908A1 (en) * | 2021-09-29 | 2023-04-05 | Weidmüller Interface GmbH & Co. KG | Photovoltaic module and connection assembly for a photovoltaic module |
| US11870391B2 (en) | 2021-09-29 | 2024-01-09 | Weidmüller Interface GmbH & Co. KG | Photovoltaic module and connection arrangement for a photovoltaic module |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |