CN208353289U - A kind of photovoltaic module - Google Patents
A kind of photovoltaic module Download PDFInfo
- Publication number
- CN208353289U CN208353289U CN201820996343.1U CN201820996343U CN208353289U CN 208353289 U CN208353289 U CN 208353289U CN 201820996343 U CN201820996343 U CN 201820996343U CN 208353289 U CN208353289 U CN 208353289U
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- Prior art keywords
- connecting portion
- wire connecting
- photovoltaic module
- connection jaws
- wire
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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 kind of photovoltaic modulies, including the plate to photovoltaic power generation, the back side of plate is equipped with the first wire connecting portion and the second wire connecting portion, and the shell of the first wire connecting portion is equipped with the first connection jaws, and the second wire connecting portion is connected with the second connection jaws that can cooperate with the first connection jaws by conducting wire.A conducting wire is provided only in photovoltaic module, the quantity for reducing conducting wire can reduce contact point in photovoltaic module, and then reduce the contact resistance of photovoltaic module.Photovoltaic module internal resistance higher caused consumption generated output and heating problem are avoided, the performance of photovoltaic module is improved.
Description
Technical field
The utility model relates to technical field of photovoltaic power generation, in particular to a kind of photovoltaic module.
Background technique
With being gradually increased for environmental requirement, photovoltaic power generation has many advantages, such as pollution-free, sustainable, at low cost obtain because of it
It is widely applied, the basic unit of photovoltaic power generation is photovoltaic module, and photovoltaic module includes plate solar and photovoltaic junction box, too
For absorbing solar energy and being translated into electric energy, photovoltaic junction box is used for plate solar and other sun positive energy plate
Can plate it is series-parallel or connect itself and load.
The internal resistance of photovoltaic module is to restrict one of the element that photovoltaic module power is promoted, and the resistance of photovoltaic junction box is light
Lie prostrate the chief component of component internal resistance.Its temperature is up to 70 DEG C when photovoltaic module generates electricity, and the electric current in photovoltaic junction box is up to
9A, high resistance will lead to photovoltaic junction box fever, and generated output, especially photovoltaic junction box under high temperature environment is lost in photovoltaic module
Internal resistance further increase, cause calorific value excessive, in turn result in photovoltaic junction box connection metal oxidation, influence photovoltaic group
The service life of part.
Therefore, how to reduce the internal resistance of photovoltaic module is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of photovoltaic modulies, and resistance is smaller, and generated output is higher, service life compared with
It is long.
To achieve the above object, the utility model provides a kind of photovoltaic module, described including the plate to photovoltaic power generation
The back side of plate is equipped with the first wire connecting portion and the second wire connecting portion, and the shell of first wire connecting portion is equipped with the first connection jaws, described
Second wire connecting portion is connected with the second connection jaws that can cooperate with first connection jaws by conducting wire.
Preferably, it is equipped with first diode in first wire connecting portion, the first connection gold is equipped in first connection jaws
Belong to, a pin of the first diode connect metal welding with described first or is integrally formed；
The second diode, a pin of second diode and the one of the conducting wire are equipped in second wire connecting portion
End is connected, and the second connection metal is equipped in second connection jaws, and the other end of the conducting wire connect metal phase with described second
Even.
Preferably, the plate include face glass, back glass and be located at the face glass and the back side glass
Cell piece between glass, to photovoltaic power generation, first wire connecting portion and second wire connecting portion are respectively positioned on the back glass
Outside.
Preferably, there is pre-determined distance between first wire connecting portion and second wire connecting portion.
Preferably, there are two the perforative through-holes of through-thickness, the position of two through-holes to distinguish for the back glass tool
Corresponding with first wire connecting portion and second wire connecting portion, the pin of the first diode and second diode is equal
It is connected by conductor wire with the cell piece.
Preferably, first connection jaws and second connection jaws are mutually backwards to setting.
Preferably, first wire connecting portion and second wire connecting portion pass through sealant pouring and sealing.
Preferably, first connection jaws and second connection jaws are all made of MC4 connector standard.
Photovoltaic module provided by the utility model includes plate, the first wire connecting portion and the second wire connecting portion, the first wire connecting portion
Shell be equipped with the first connection jaws, the second wire connecting portion is connected by conducting wire with the second connection jaws.One is provided only in photovoltaic module
Conducting wire, the quantity for reducing conducting wire can reduce contact point in photovoltaic module, and then reduce the contact resistance of photovoltaic module.It avoids
Consumption generated output and heating problem caused by photovoltaic module internal resistance is higher, improve the performance of photovoltaic module.
In addition, having pre-determined distance between the first wire connecting portion and the second wire connecting portion, the length of conducting wire, one side energy can be shortened
Enough reduce conductor resistance, on the other hand can be avoided photovoltaic module and wound because conducting wire is longer, and then avoid conducting wire outside
Power pull during caused by wire sheath rupture the problem of, improve the service life of conducting wire, improve the peace of photovoltaic module
Quan Xing.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of photovoltaic module provided by the utility model；
Fig. 2 is the structural schematic diagram of the first wire connecting portion；
Fig. 3 is the structural schematic diagram of the second wire connecting portion；
Fig. 4 is the schematic diagram that the first wire connecting portion is connect with the second wire connecting portion；
Fig. 5 is the schematic diagram of two photovoltaic modulies connection.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1 to Fig. 5 is please referred to, Fig. 1 is the structural schematic diagram of photovoltaic module provided by the utility model；Fig. 2 is first
The structural schematic diagram of wire connecting portion；Fig. 3 is the structural schematic diagram of the second wire connecting portion；Fig. 4 is that the first wire connecting portion and the second wire connecting portion connect
The schematic diagram connect；Fig. 5 is the schematic diagram of two photovoltaic modulies connection.
Photovoltaic module provided by the utility model, including the plate 1 to photovoltaic power generation, the back side of plate 1 is equipped with the
One wire connecting portion 2 and the second wire connecting portion 3, the shell 21 of the first wire connecting portion 2 are equipped with the first connection jaws 22, and the second wire connecting portion 3 is by leading
Line 32 is connected with the second connection jaws 31 that can cooperate with the first connection jaws 22.
The function and circuit structure of first wire connecting portion 2 and the second wire connecting portion 3 can refer to split type photovoltaic in the prior art
Terminal box, the core of the utility model are that the first wire connecting portion 2 is directly connected with the first connection jaws 22, reduce in photovoltaic module
The quantity of conducting wire, while reducing the quantity of circuit connection point, achieve the purpose that reduce photovoltaic module internal resistance.
First wire connecting portion 2 and second wire connecting portion 3, the first wire connecting portion 2 and second are typically provided on one flat plate 1
Wire connecting portion 3 can be connected by the modes such as being bonded or being bolted with plate 1, the shell of the first connection jaws 22 and the first wire connecting portion 2
21 are fixedly connected, and the both ends of conducting wire 32 are connected with the second wire connecting portion 3 and the second connection jaws 31 respectively.
Optionally, existing photovoltaic electric wire connecting junction uses MC4 connector mostly, and the first connection jaws 22 are adopted with the second connection jaws 31
With MC4 connector standard, it can guarantee photovoltaic module provided by the utility model versatility with higher.
Specifically, the structure of the first wire connecting portion 2 and the second wire connecting portion 3 can refer to Fig. 2 and Fig. 3, it is equipped in the first wire connecting portion 2
First diode 23 is equipped with the first connection metal 24, a pin of first diode 23 and the first company in first connection jaws 22
It connects the welding of metal 24 or is integrally formed；It is equipped with the second diode 33 in second wire connecting portion 3, is equipped with second in the second connection jaws 31 and connects
Metal is connect, the first connection metal 24 and the second connection metal are also all made of MC4 connector standard, and specific structure can refer to the prior art
In photovoltaic electric wire connecting junction, the both ends of conducting wire 32 connect respectively with a pin of the second diode 33 and second metal be connected.When
Right user can also select the connector of other models as needed, it is not limited here.
Multiple photovoltaic modulies are usually set in a row, and to make full use of solar energy, photovoltaic module is sequentially connected, and form mutually string
The photovoltaic power generation unit of connection, the connection type of photovoltaic module is as shown in Figure 4 and Figure 5, the first connection jaws 22 of a photovoltaic module
It is connected with the second connection jaws 31 of the photovoltaic module close to its first connection jaws 22, multiple photovoltaic modulies successively connect in this way
It connects.
It should be noted that the polarity for the pin that the first connection metal 24 is connected with conducting wire 32 is different, if first connects
It connects metal 24 to be connected with the positive pin of first diode 23, then it is that the cathode of the second diode 33 draws that conducting wire 32, which is connected,
Foot, the first connector is the anode of photovoltaic module at this time, and the second connector is the cathode of photovoltaic module；If opposite first connection
Metal 24 is connected with the negative pin of first diode 23, conducting wire 32 connected be the second diode 33 positive pin, then
First connector is the cathode of photovoltaic module, and the second connector is the anode of photovoltaic module.
The effect of diode is to prevent reverse direction current flow in first wire connecting portion 2 and the second wire connecting portion 3.In addition, due to light
Volt component is generally disposed at outdoor, and the surface of plate 1 may be covered by shade and generate hot plate effect, leads to flat-plate heating even
Damage, plate 1 needs and diodes in parallel, avoids hot spot effect.Therefore the back side of plate 1 is additionally provided with third diode, third
Diode is set in box body 4.
In the present embodiment, first connecting portion is directly connected with the first connector, and second connecting portion passes through with the second connector
Conducting wire 32 is connected, therefore a conducting wire is provided only in photovoltaic module, and single conductor photovoltaic module has many advantages, 32 both ends of conducting wire
It is connected with other elements, tie point has biggish contact resistance, and conducting wire is less in photovoltaic module, can reduce photovoltaic module
Internal resistance；In addition, the positive and negative anodes of photovoltaic module are equipped with conducting wire in the prior art, two conducting wire Long Term Contacts, in the case of a high temperature
It can cause wire sheath aging, make insulation sheath that there is breakdown risk, photovoltaic module is provided only with a conducting wire in the present embodiment, can
The problems caused by avoid the winding of all conducting wires；And single conductor structure can reduce conducting wire and cut and encapsulate generated damage
Consumption.
Specifically, plate 1 include face glass 11, back glass 12 and be located at face glass 11 and back glass 12 it
Between cell piece 13, as shown in Figure 1, cell piece 13 is respectively positioned on back to photovoltaic power generation, the first wire connecting portion 2 and the second wire connecting portion 3
The outside of surface glass 12.Can be respectively equipped between certain cell piece 13 and face glass 11 and back glass 12 front-sheet encapsulant layer 14 and
Back-sheet encapsulant layer 15.
The needs of plate 1 are connected with the diode in the first wire connecting portion 2 and the second wire connecting portion 3, can will be produced by plate 1
Electric current export, the tool of back glass 12 there are two the perforative through-hole of through-thickness, the position of two through hole respectively with the first wiring
Portion 2 and the second wire connecting portion 3 are corresponding, and the pin of first diode 23 and the second diode 33 passes through conductor wire and cell piece 13
It is connected.
It should be noted that cell piece 13 be connected to do not connect with first metal 24 or second connection metal be connected draw
Foot.
The total length of conducting wire is longer in single photovoltaic module, and the resistance of all conducting be can not ignore, to shorten all conducting
Total length, there is pre-determined distance, 2 He of the first wire connecting portion on same photovoltaic module between the first wire connecting portion 2 and the second wire connecting portion 3
It is connected between second wire connecting portion 3 without going through conducting wire, the first wire connecting portion 2 and the second wire connecting portion 3 only need to be with adjacent photovoltaic modulies
Connection, closer to the edge of 1 two sides of plate, the photovoltaic module required conducting wire that is connected is got over for the first wire connecting portion 2 and the second wire connecting portion 3
Short, usual first wire connecting portion 2 and the second wire connecting portion 3 are located at 1/3 and 2/3 width of plate 1, and certain user can also basis
It needs the first wire connecting portion 2 and the second wire connecting portion 3 being set to other positions, it is not limited here.
Wires cross will cause mutual inductance, cause conductor overheating, to avoid wires cross in photovoltaic module, the first connection jaws 22
With the second connection jaws 31 mutually backwards to setting.
Since photovoltaic module is generally disposed at outdoor, cause photovoltaic module short-circuit to avoid it from penetrating into rainwater, the first wiring
Portion 2 and the second wire connecting portion 3 wrap up the circuit elements in the first wire connecting portion 2 and the second wire connecting portion 3 by insulating cement by sealant pouring and sealing
Part completely cuts off it with external environment, avoids circuit element from contacting with water, improve the safety of photovoltaic junction box.
In the present embodiment, the first wire connecting portion 2 and the second wire connecting portion 3 are located at the two sides of plate 1, and have between the two pre-
If distance, the total length of conducting wire in single photovoltaic module can be shortened, and then reduce the resistance of single photovoltaic module, improve power generation
Efficiency.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Photovoltaic module provided by the utility model is described in detail above.Specific case pair used herein
The principles of the present invention and embodiment are expounded, and the above embodiments are only used to help understand, and this is practical new
The method and its core concept of type.It is practical not departing from it should be pointed out that for those skilled in the art
Under the premise of new principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this
In the protection scope of utility model claims.
Claims (8)
1. a kind of photovoltaic module, which is characterized in that including the plate (1) to photovoltaic power generation, the back side of the plate (1) is equipped with
The shell (21) of first wire connecting portion (2) and the second wire connecting portion (3), first wire connecting portion (2) is equipped with the first connection jaws (22), institute
It states the second wire connecting portion (3) and is connected with the second connection jaws (31) that can cooperate with first connection jaws (22) by conducting wire (32).
2. photovoltaic module according to claim 1, which is characterized in that be equipped with the one or two pole in first wire connecting portion (2)
It manages (23), the first connection metal (24), a pin of the first diode (23) is equipped in first connection jaws (22)
Metal (24) welding is connect with described first or is integrally formed；
In second wire connecting portion (3) be equipped with the second diode (33), a pin of second diode (33) with it is described
One end of conducting wire (32) is connected, and the second connection metal, the other end of the conducting wire (32) are equipped in second connection jaws (31)
Metal is connect with described second to be connected.
3. photovoltaic module according to claim 2, which is characterized in that the plate (1) includes face glass (11), the back side
Glass (12) and between the face glass (11) and the back glass (12), to the cell piece of photovoltaic power generation
(13), first wire connecting portion (2) and second wire connecting portion (3) are respectively positioned on the outside of the back glass (12).
4. photovoltaic module according to claim 3, which is characterized in that first wire connecting portion (2) and second wiring
There is pre-determined distance between portion (3).
5. photovoltaic module according to claim 4, which is characterized in that there are two along thickness side for back glass (12) tool
To perforative through-hole, the position of two through-holes is opposite with first wire connecting portion (2) and second wire connecting portion (3) respectively
It answers, the pin of the first diode (23) and second diode (33) passes through conductor wire and the cell piece (13) phase
Even.
6. according to claim 1 to photovoltaic module described in 5 any one, which is characterized in that first connection jaws (22) with
Second connection jaws (31) are mutually backwards to setting.
7. photovoltaic module according to claim 6, which is characterized in that first wire connecting portion (2) and second wiring
Portion (3) passes through sealant pouring and sealing.
8. photovoltaic module according to claim 7, which is characterized in that first connection jaws (22) and second wiring
Mouth (31) is all made of MC4 connector standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996343.1U CN208353289U (en) | 2018-06-26 | 2018-06-26 | A kind of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996343.1U CN208353289U (en) | 2018-06-26 | 2018-06-26 | A kind of photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353289U true CN208353289U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820996343.1U Active CN208353289U (en) | 2018-06-26 | 2018-06-26 | A kind of photovoltaic module |
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| CN (1) | CN208353289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631724A (en) * | 2018-06-26 | 2018-10-09 | 浙江晶科能源有限公司 | A kind of photovoltaic module |
-
2018
- 2018-06-26 CN CN201820996343.1U patent/CN208353289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631724A (en) * | 2018-06-26 | 2018-10-09 | 浙江晶科能源有限公司 | A kind of photovoltaic module |
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