CN204067393U - Photovoltaic module convergent belt structure - Google Patents
Photovoltaic module convergent belt structure Download PDFInfo
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- CN204067393U CN204067393U CN201420529410.0U CN201420529410U CN204067393U CN 204067393 U CN204067393 U CN 204067393U CN 201420529410 U CN201420529410 U CN 201420529410U CN 204067393 U CN204067393 U CN 204067393U
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- convergent belt
- binding post
- diode
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- convergent
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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
Abstract
The utility model discloses a kind of photovoltaic module convergent belt structure, by being arranged on as between tapped first convergent belt and the 4th convergent belt as the second convergent belt of photovoltaic module positive and negative electrode output and the 3rd convergent belt, thus the intersection avoided between each convergent belt, thus insulating barrier need be set between each convergent belt, reach and save isolated material, eliminate the beneficial effect that local thickness is uneven, improve man efficiency.Meanwhile, the utility model, by arranging the mode of connection of each diode in the binding post of terminal box and terminal box, makes the sequence one_to_one corresponding of the sequence of each binding post and each convergent belt, thus greatly facilitates line.
Description
Technical field
The utility model relates to technical field of solar, particularly relates to a kind of photovoltaic module convergent belt structure.
Background technology
As a rule; single solar battery sheet voltage is lower; several tens of battery sheet is needed to be together in series by welding; by the collected current that prints electrode on cell piece surface; and by welding the both positive and negative polarity that welding connects each cell piece on electrode; by convergent belt, electric current extraction is connected with terminal box, adopts protective material and accessory to be packaged into solar module.
Photovoltaic terminal box, as a vitals of solar module, is the connector between the solar cell array and rechargeable solar battery control device of solar module formation.The electric energy that solar module produces can be derived through cable by photovoltaic terminal box, plays connection and protection solar photovoltaic assembly, the effect of the electric current that light conducting photovoltaic assembly produces.Because a photovoltaic module is normally in series by a lot of cell pieces such as (can be such as 54 or 60 or 72), cell piece is arrangement in "S" shape in assembly.Under certain condition, the solar module of crested in a series arm, will be taken as other energy having the photovoltaic module of illumination to produce of load consumption.The solar module of crested now can generate heat, and causes hot spot effect.
Wreck due to hot spot effect to prevent solar cell, the usual practice is in the industry reverse parallel connection bypass diode between every two string solar cells, the energy produced to avoid the battery of illumination consume by the battery that is masked, and bypass diode is arranged in terminal box, circuit theory diagrams as shown in Figure 1, wherein AB is current output terminal, CD is that centre tap is for connecting diode (ABCD is defined as circuit node, as long as two object circuit are that path all replaces with ABCD).And the terminal in current terminal box arranges as shown in Figure 2, diode welds complete in advance, and binding post distinguishes corresponding A CDB tetra-terminals from left to right.Because terminal box terminal center distance is only 20-25mm, much smaller than each binding post spacing shown in Fig. 3, four lead-out wires are caused to have crosspoint, conventional convergent belt lead-out mode as shown in Figure 4, in order to realize infall insulation, need be placed between two-layer convergent belt by insulation strip, as shown in E in Fig. 5 institute.
It can thus be appreciated that there are the following problems for existing convergent belt structure and lead-out mode thereof:
Existing convergent belt arrangement mode makes four lead-out wires to have crosspoint, thus requires that personnel's cutting one bar insulation material is placed on intersection, and is fixed it, and the workload of operating personnel is strengthened.In addition, insulation thickness generally used is 300-350um, and size is not less than 80mm*80mm, and causing increases local thickness, and part can be affected to the operation (as rim frame) that thickness requirement is stricter.
Therefore, be necessary to improve existing convergent belt.
Utility model content
Main purpose of the present utility model is to provide a kind of photovoltaic module convergent belt structure, to solve the problem that there is intersection between existing convergent belt, thus does not need the operation carrying out increase insulating barrier, and then reduces costs and improve person works's efficiency.
For achieving the above object, the utility model provides a kind of photovoltaic module convergent belt structure, be connected with terminal box for the electric current of photovoltaic module is drawn, the first diode, the second diode and the 3rd diode is disposed with from left to right in described terminal box, described photovoltaic module convergent belt structure comprises the first convergent belt, the second convergent belt, the 3rd convergent belt and the 4th convergent belt that array from left to right, wherein:
First convergent belt, as tapped first end, connects the negative pole of the second diode and the positive pole of the first diode;
Second convergent belt, as the cathode output end of photovoltaic module, connects the negative pole of the first diode;
3rd convergent belt, as the cathode output end of photovoltaic module, connects the positive pole of the 3rd diode;
4th convergent belt, as tapped second end, connects the positive pole of the second diode and the negative pole of the 3rd diode;
Described first convergent belt and described second convergent belt are positioned at the left side of described photovoltaic module, described 3rd convergent belt and described 4th convergent belt are positioned at the right side of described photovoltaic module, and described first convergent belt and described 4th convergent belt, described second convergent belt and described 3rd convergent belt are symmetrical arranged in the left and right sides of photovoltaic module respectively; In short transverse, there is gap between described first convergent belt and described second convergent belt, between described 3rd convergent belt and described 4th convergent belt, in short transverse, there is gap.
Preferably, the first binding post, the second binding post, the 3rd binding post and the 4th binding post is disposed with from left to right in described terminal box, described first diode is between described first binding post and described second binding post, described second diode is between described second binding post and described 3rd binding post, and described 3rd diode is between described 3rd binding post and described 4th binding post; Wherein:
The negative pole of described first binding post and described second diode and the positive pole of described first diode are electrically connected;
The negative pole of described second binding post and described first diode is electrically connected;
The positive pole of described 3rd binding post and described 3rd diode is electrically connected;
The positive pole of described 4th binding post and described second diode and the negative pole of described 3rd diode are electrically connected;
And described first convergent belt, the second convergent belt, the 3rd convergent belt and the 4th convergent belt are respectively with described first binding post, the second binding post, the 3rd binding post and the 4th binding post is corresponding is electrically connected.
Preferably, insulating barrier is provided with between the pin of described second diode and described second binding post and described 3rd binding post.
The utility model, owing to adopting above technical scheme, makes it compared with prior art, has following advantage and good effect:
1) the photovoltaic module convergent belt structure that the utility model provides passes through the arrangement mode changing convergent belt, make to be arranged on as between tapped first convergent belt and the 4th convergent belt as the second convergent belt of photovoltaic module positive and negative electrode output and the 3rd convergent belt, thus the intersection avoided between each convergent belt, thus insulating barrier need be set between each convergent belt, reach and save isolated material, eliminate the beneficial effect that local thickness is uneven, improve man efficiency;
2) the photovoltaic module convergent belt structure that provides of the utility model, each binding post in its terminal box is corresponding with the relative position of each diode to be adjusted, make binding post putting in order and the convergent belt one_to_one corresponding that puts in order from left to right from left to right, thus facilitate the connection between each convergent belt and each binding post, improve personnel ' s efficiency.
Accompanying drawing explanation
Fig. 1 is the existing circuit theory diagrams being provided with the solar module of bypass diode;
Fig. 2 is the schematic diagram of the terminal arrangement in existing terminal box;
Fig. 3 is the schematic diagram of the binding post of conventional photovoltaic module cell piece;
Fig. 4 is the schematic diagram of the lead-out mode of conventional convergent belt;
Fig. 5 is the existing schematic diagram being provided with the lead-out mode of the convergent belt of insulation strip;
The schematic diagram of the lead-out mode of the photovoltaic module convergent belt structure that Fig. 6 provides for the utility model;
The schematic diagram of the binding post in the terminal box that Fig. 7 provides for the utility model and the arrangement mode of diode.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
Please refer to Fig. 6-Fig. 7, wherein, the schematic diagram of the lead-out mode of the photovoltaic module convergent belt structure that Fig. 6 provides for the utility model, the schematic diagram of the binding post in the terminal box that Fig. 7 provides for the utility model and the arrangement mode of diode, as shown in FIG. 6 and 7, a kind of photovoltaic module convergent belt structure that the utility model provides, be connected with terminal box for the electric current of photovoltaic module is drawn, the first diode 1 is disposed with from left to right in terminal box, second diode 2 and the 3rd diode 3, photovoltaic module convergent belt structure comprises the first convergent belt C1 arrayed from left to right, second convergent belt A1, 3rd convergent belt B1 and the 4th convergent belt D1, wherein:
First convergent belt C1, as tapped first end, connects the negative pole of the second diode 2 and the positive pole of the first diode 1;
Second convergent belt A1, as the cathode output end of photovoltaic module, connects the negative pole of the first diode 1;
3rd convergent belt B1, as the cathode output end of photovoltaic module, connects the positive pole of the 3rd diode 3;
4th convergent belt D1, as tapped second end, connects the positive pole of the second diode 2 and the negative pole of the 3rd diode 3;
First convergent belt C1 and the second convergent belt A1 is positioned at the left side of photovoltaic module, 3rd convergent belt B1 and the 4th convergent belt D1 is positioned at the right side of photovoltaic module, and the first convergent belt C1 and the 4th convergent belt D1, the second convergent belt A1 and the 3rd convergent belt B1 are symmetrical arranged in the left and right sides of photovoltaic module respectively; In short transverse, there is gap between first convergent belt C1 and the second convergent belt A1, between the 3rd convergent belt B1 and the 4th convergent belt D1, in short transverse, there is gap.
The photovoltaic module convergent belt structure that the utility model provides is by changing the arrangement mode of convergent belt, make to be arranged on as between tapped first convergent belt C1 and the 4th convergent belt D1 as the second convergent belt A1 of photovoltaic module positive and negative electrode output and the 3rd convergent belt B1, thus the intersection avoided between each convergent belt, thus insulating barrier need be set between each convergent belt, reach and save isolated material, eliminate the beneficial effect that local thickness is uneven, improve man efficiency.
And in a preferred embodiment, the first binding post C11, the second binding post A11, the 3rd binding post B11 and the 4th binding post D11 is disposed with from left to right in terminal box, first diode 1 is between the first binding post C11 and the second binding post A11, second diode 2 is between the second binding post A11 and the 3rd binding post B11, and the 3rd diode 3 is between the 3rd binding post B11 and the 4th binding post D11; Wherein:
The negative pole of the first binding post C11 and the second diode 2 and the positive pole of the first diode 1 are electrically connected;
The negative pole of the second binding post A11 and the first diode 1 is electrically connected;
The positive pole of the 3rd binding post B11 and the 3rd diode 3 is electrically connected;
The positive pole of the 4th binding post D11 and the second diode 2 and the negative pole of the 3rd diode 3 are electrically connected;
And the first convergent belt C1, the second convergent belt A1, the 3rd convergent belt B1 and the 4th convergent belt D1 are respectively with the first binding post C11, the second binding post A11, the 3rd binding post B11 and the 4th binding post D11 is corresponding is electrically connected.
The photovoltaic module convergent belt structure that the utility model provides, each binding post in its terminal box is corresponding with the relative position of each diode to be adjusted, make binding post putting in order and the convergent belt one_to_one corresponding that puts in order from left to right from left to right, thus facilitate the connection between each convergent belt and each binding post, improve personnel ' s efficiency.
Simultaneously, the utility model is changed by the diode in butted line box, to ensure that the circuit theory diagrams shown in Fig. 1 remain unchanged, particularly, installation and the link position of the first diode 1 and the 3rd diode 3 are constant, second diode 2 is across the second binding post A11 and the 3rd binding post B11 two binding posts, connect the first binding post C and the 4th binding post D, therefore insulating barrier is provided with between the pin of the second diode 2 and the second binding post A11 and the 3rd binding post B11, to guarantee to carry out insulation between the pin of the second diode 2 and the second binding post A11 and the 3rd binding post B11.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model.Obviously, those skilled in the art can carry out various change and modification to utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (3)
1. a photovoltaic module convergent belt structure, be connected with terminal box for the electric current of photovoltaic module is drawn, it is characterized in that, the first diode, the second diode and the 3rd diode is disposed with from left to right in described terminal box, described photovoltaic module convergent belt structure comprises the first convergent belt, the second convergent belt, the 3rd convergent belt and the 4th convergent belt that array from left to right, wherein:
First convergent belt, as tapped first end, connects the negative pole of the second diode and the positive pole of the first diode;
Second convergent belt, as the cathode output end of photovoltaic module, connects the negative pole of the first diode;
3rd convergent belt, as the cathode output end of photovoltaic module, connects the positive pole of the 3rd diode;
4th convergent belt, as tapped second end, connects the positive pole of the second diode and the negative pole of the 3rd diode;
Described first convergent belt and described second convergent belt are positioned at the left side of described photovoltaic module, described 3rd convergent belt and described 4th convergent belt are positioned at the right side of described photovoltaic module, and described first convergent belt and described 4th convergent belt, described second convergent belt and described 3rd convergent belt are symmetrical arranged in the left and right sides of photovoltaic module respectively; In short transverse, there is gap between described first convergent belt and described second convergent belt, between described 3rd convergent belt and described 4th convergent belt, in short transverse, there is gap.
2. photovoltaic module convergent belt structure as claimed in claim 1, it is characterized in that, the first binding post, the second binding post, the 3rd binding post and the 4th binding post is disposed with from left to right in described terminal box, described first diode is between described first binding post and described second binding post, described second diode is between described second binding post and described 3rd binding post, and described 3rd diode is between described 3rd binding post and described 4th binding post; Wherein:
The negative pole of described first binding post and described second diode and the positive pole of described first diode are electrically connected;
The negative pole of described second binding post and described first diode is electrically connected;
The positive pole of described 3rd binding post and described 3rd diode is electrically connected;
The positive pole of described 4th binding post and described second diode and the negative pole of described 3rd diode are electrically connected;
And described first convergent belt, the second convergent belt, the 3rd convergent belt and the 4th convergent belt are respectively with described first binding post, the second binding post, the 3rd binding post and the 4th binding post is corresponding is electrically connected.
3. photovoltaic module convergent belt structure as claimed in claim 2, is characterized in that, is provided with insulating barrier between the pin of described second diode and described second binding post and described 3rd binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529410.0U CN204067393U (en) | 2014-09-15 | 2014-09-15 | Photovoltaic module convergent belt structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529410.0U CN204067393U (en) | 2014-09-15 | 2014-09-15 | Photovoltaic module convergent belt structure |
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| CN204067393U true CN204067393U (en) | 2014-12-31 |
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| CN201420529410.0U Active CN204067393U (en) | 2014-09-15 | 2014-09-15 | Photovoltaic module convergent belt structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599715A (en) * | 2018-06-22 | 2018-09-28 | 君泰创新（北京）科技有限公司 | Convergent belt derivation mechanism and convergent belt laying apparatus |
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2014
- 2014-09-15 CN CN201420529410.0U patent/CN204067393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599715A (en) * | 2018-06-22 | 2018-09-28 | 君泰创新（北京）科技有限公司 | Convergent belt derivation mechanism and convergent belt laying apparatus |
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