CN110011614A - A kind of photovoltaic wire box and a kind of photovoltaic module - Google Patents
A kind of photovoltaic wire box and a kind of photovoltaic module Download PDFInfo
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- CN110011614A CN110011614A CN201910371583.1A CN201910371583A CN110011614A CN 110011614 A CN110011614 A CN 110011614A CN 201910371583 A CN201910371583 A CN 201910371583A CN 110011614 A CN110011614 A CN 110011614A
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- box body
- box
- photovoltaic
- electrode connector
- pin
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 239000004020 conductor Substances 0.000 claims description 54
- 239000003292 glue Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 abstract description 12
- 238000000429 assembly Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02002—Arrangements for conducting electric current to or from the device in operations
- H01L31/02005—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
- H01L31/02008—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic wire box, including box body, are provided with the pedestal of protection circuit, two input electrode connectors and two output electrode connectors.Pedestal is set in box body to protect circuit to be hardly damaged, and pedestal is provided with the input pin and output pin of protection circuit.The connector that input electrode connector, that is, photovoltaic wire box is connect with solar battery sheet, the connector that output electrode connector, that is, photovoltaic wire box is connect with other assemblies.Input electrode connector and output electrode connector include the metal core due to transmitting electric current, the metal core of input electrode connector can pass through box side wall and directly contact with corresponding input pin, to reduce the contact resistance in photovoltaic wire box between input electrode connector and input pin, the interior resistance of photovoltaic wire box is reduced.The present invention also provides a kind of photovoltaic modulies, equally have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to photovoltaic cell technical fields, more particularly to a kind of photovoltaic wire box and a kind of photovoltaic module.
Background technique
With the sustainable development of photovoltaic technology in recent years, the performance of solar battery is constantly promoted, while solar battery
Cost also constantly reducing.And for the photovoltaic module in actual application, in addition to being mainly used for power generation too
Except positive energy cell piece, usually also need to be provided with photovoltaic wire box.
Between above-mentioned photovoltaic wire box, that is, solar battery sheet or group that solar battery sheet is electrically connected with other extraneous devices
Part.Under normal conditions, solar battery sheet is required to export electric current outward by photovoltaic wire box.But in the prior art, light
The interior resistance of hint box is usually higher, electric energy caused by solar battery sheet can be greatly consumed in use, to enterprise
The cost of industry reduces and restriction is played the role of in the development of renewable energy.
So how to provide a kind of photovoltaic wire box with lower interior resistance, to be that those skilled in the art are urgently to be solved asked
Topic.
Summary of the invention
The object of the present invention is to provide a kind of photovoltaic wire box, have lower interior resistance;Another object of the present invention is to
A kind of photovoltaic module is provided, there is lower interior resistance.
In order to solve the above technical problems, the present invention provides a kind of photovoltaic wire box, including box body, pedestal, conductor wire, two it is defeated
Enter electrode contact and two output electrode connectors;
The pedestal is fixed on the tray interior, and the pedestal is provided with protection circuit, and the protection circuit includes two
A input pin and two output pins;The pedestal is arranged towards the box body one side there are two the input pin,
The pedestal is provided with an output pin towards one end face of box body, and the pedestal is provided with towards the box body other end
Another output pin;
The metal core of the input electrode connector passes through the box side wall and directly contacts with the corresponding input pin;
The metal core of the output electrode connector is electrically connected with the output pin;The conductor wire passes through the end face of the box body from institute
It states and is extended on the inside of box body on the outside of the box body, the end that at least one output electrode connector is located on the outside of box body with conductor wire connects
Touching, the conductor wire are located at the end on the inside of box body and contact with the corresponding output pin.
Optionally, the photovoltaic wire box includes two conductor wires, and the output electrode connector passes through corresponding institute
Conductor wire is stated to be electrically connected with the corresponding output pin.
Optionally, the photovoltaic wire box includes a conductor wire;The one output electrode connector passes through the conduction
Line is electrically connected with corresponding output pin, the metal core of another output electrode connector pass through the end face of the box body with it is corresponding
The output pin directly contact.
Optionally, the photovoltaic wire box further includes the connector for the conductor wire to be fixedly connected with the box body.
Optionally, protective glue is filled in the box body.
Optionally, the electrode contact is MC4 jointing.
Optionally, the value range of the width of the box body is 15mm to 400mm, including endpoint value;The length of the box body
The value range of degree is 15mm to 2000mm, including endpoint value;The value range of the thickness of the box body is 5mm to 60mm, packet
Include endpoint value.
Optionally, the box body includes cassette bottom and box cover, and the box cover is removably connect with the cassette bottom.
Optionally, the metal core of at least one input electrode connector is integration knot with the corresponding input pin
Structure.
The present invention also provides a kind of photovoltaic modulies, including solar battery sheet and photovoltaic wire as described in any one of the above embodiments
Box, the solar battery sheet are electrically connected by the input electrode connector with the protection circuit.
A kind of photovoltaic wire box provided by the present invention, including box body are provided with the pedestal of protection circuit, two input electrodes
Connector and two output electrode connectors.Pedestal is set in box body to protect circuit to be hardly damaged, and pedestal is provided with protection electricity
The input pin and output pin on road.The connector that input electrode connector, that is, photovoltaic wire box is connect with solar battery sheet, output electricity
The connector that pole connector, that is, photovoltaic wire box is connect with other assemblies.Input electrode connector and output electrode connector include due to transmission
The metal core of electric current, the metal core of input electrode connector can pass through box side wall and directly contact with corresponding input pin, to subtract
Contact resistance in few photovoltaic wire box between input electrode connector and input pin, reduces the interior resistance of photovoltaic wire box.
The metal core of at least one output electrode connector is drawn by conductor wire and the output in pedestal towards an end face simultaneously
Foot electrical connection, in order to which solar battery sheet is electrically connected by photovoltaic wire box with other assemblies.And the gold of another output electrode connector
Belonging to core can be electrically connected with the output pin in pedestal towards other end, so that can be towards three direction setting outputs in pedestal
The generation of short-circuit conditions can be effectively prevented to will increase the spacing between pin in pin and input pin, is conducive to increase
Add the yields of photovoltaic wire box.
The present invention also provides a kind of photovoltaic modulies, equally have above-mentioned beneficial effect, are no longer repeated herein.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of photovoltaic wire box provided by the embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of specific photovoltaic wire box provided by the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the specific photovoltaic wire box of another kind provided by the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of another specific photovoltaic wire box provided by the embodiment of the present invention.
In figure: 1. box bodys, 2. pedestals, 3. conductor wires, 41. input electrode connectors, 42. output electrode connectors, 5. connectors.
Specific embodiment
Core of the invention is to provide a kind of photovoltaic wire box.In the prior art, each electrode contact of photovoltaic wire box is equal
It is to be electrically connected by conductor wire with the pin in photovoltaic wire box.The interior resistance of photovoltaic wire box is in addition to including various components itself at this time
Resistance except, further include the contact between the contact resistance and electrode contact and conductor wire having between conductor wire and pin
Resistance.The resistance value of contact resistance is larger under normal conditions, can greatly increase the interior resistance of photovoltaic wire box.
And a kind of photovoltaic wire box provided by the present invention, including box body, it is provided with the pedestal of protection circuit, two input electricity
Pole connector and two output electrode connectors.Pedestal is set in box body to protect circuit to be hardly damaged, and pedestal is provided with protection
The input pin and output pin of circuit.The connector that input electrode connector, that is, photovoltaic wire box is connect with solar battery sheet, output
The connector that electrode contact, that is, photovoltaic wire box is connect with other assemblies.Input electrode connector and output electrode connector include due to passing
The metal core of transmission of electricity stream, the metal core of input electrode connector can pass through box side wall and directly contact with corresponding input pin, with
The contact resistance in photovoltaic wire box between input electrode connector and input pin is reduced, the interior resistance of photovoltaic wire box is reduced.
The metal core of at least one output electrode connector is drawn by conductor wire and the output in pedestal towards an end face simultaneously
Foot electrical connection, in order to which solar battery sheet is electrically connected by photovoltaic wire box with other assemblies.And the gold of another output electrode connector
Belonging to core can be electrically connected with the output pin in pedestal towards other end, so that can be towards three direction setting outputs in pedestal
The generation of short-circuit conditions can be effectively prevented to will increase the spacing between pin in pin and input pin, is conducive to increase
Add the yields of photovoltaic wire box.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of photovoltaic wire box provided by the embodiment of the present invention.
Referring to Fig. 1, in embodiments of the present invention, the photovoltaic wire box may include box body 1, pedestal 2, conductor wire 3, two
Input electrode connector 41 and two output electrode connectors 42;The pedestal 2 is fixed on inside the box body 1, and the pedestal 2 is arranged
There is protection circuit, the protection circuit includes two input pins and two output pins;The pedestal 2 is towards the box body
For the setting of 1 one side there are two the input pin, the pedestal 2 is provided with an output pin, institute towards 1 one end face of box body
It states pedestal 2 and 1 other end of box body is provided with another output pin;The metal core of the input electrode connector 41 passes through
1 side wall of box body is directly contacted with the corresponding input pin;The metal core of the output electrode connector 42 with it is described defeated
Pin is electrically connected out;The end face that the conductor wire 3 passes through the box body 1 is extended on the inside of the box body 1 outside the box body 1
Side, at least one output electrode connector 42 are contacted with the end that conductor wire 3 is located at 1 outside of box body, and the conductor wire 3 is located at box body
The end of 1 inside is contacted with the corresponding output pin.
Above-mentioned box body 1 is usually rectangular parallelepiped structure, and there are two end faces for the corresponding box body 1 usually tool, i.e., along 1 long side of box body
Two opposite end faces of direction.In addition, the surface removed except two end faces in box body 1 is referred to as side.It is arranged in box body 1
There is pedestal 2, which is provided with protection circuit.Due to the particularity of solar battery, solar-electricity in actual use
Pond piece needs to connect protection circuit, which protects solar battery sheet in use process for preventing electric current reverse irrigation etc.
In be hardly damaged.It protects under normal conditions and needs to be provided with the electronic components such as bypass diode or control chip in circuit, have
The specific structure for closing protection circuit can refer to the prior art, no longer be repeated herein.
Under normal conditions, above-mentioned pedestal 2 needs to be fixed on inside box body 1.In relation to specifically being fixed between pedestal 2 and box body 1
The mode of connection can refer to the prior art, no longer be repeated herein.For the ease of above-mentioned pedestal 2 and subsequent conductive line 3
Isostructural installation, above-mentioned box body 1 are usually split type structure, i.e. the box body 1 has generally included cassette bottom and box cover, above-mentioned box
Bottom is usually removably to connect with box cover.Specific structure in relation to above-mentioned box body 1 can refer to the prior art, herein no longer into
Row repeats.Under normal conditions, in embodiments of the present invention, the value range of the width of above-mentioned box body 1 is 15mm to 400mm, packet
Include endpoint value;The value range of the length of the box body 1 is 15mm to 2000mm, including endpoint value;The value of the thickness of the box body 1
Range is 5mm to 60mm, including endpoint value.
Input pin and output pin are generally included in above-mentioned protection circuit, i.e. input pin and output pin is equal
It is set to pedestal 2, above-mentioned input pin and output pin are located inside box body 1;And the needs of input electrode connector 41 pass through input
Pin is electrically connected with protection circuit, and output electrode connector 42 needs to be electrically connected by output pin with protection circuit.In the present invention
In embodiment, there are two input pin and two output pins for setting altogether in pedestal 2, and input pin is usually also classified into just
Electrode input pin and negative electrode output pin, output pin is also classified into positive electrode output pin and negative electrode output is drawn
Foot.Above-mentioned input pin usually requires to be electrically connected with solar battery sheet, and output pin needs are electrically connected with other assemblies.Phase
It answers, the above-mentioned needs of input electrode connector 41 are electrically connected with input pin, and output electrode connector 42 needs and output pin electricity
Connection.Specifically, input electrode connector 41 generally also includes that positive electrode input electrode connector 41 and negative electrode input electrode connect
First 41, output electrode connector 42 includes positive electrode output electrode connector 42 and negative electrode output electrode connector 42, above-mentioned pin
It is electrically connected with electrode contact one-to-one correspondence.
Above-mentioned input electrode connector 41 and output electrode connector 42 usually include metal core and connecting component, wherein gold
Belong to core for transmitting electric signal, and the connecting component of input electrode connector 41 is mainly used for solar energy corresponding with the photovoltaic wire box
Cell piece connection, and the connecting component of out splice going splice is mainly used for connecting with other assemblies.Above-mentioned connecting component is usually hollow
Structure, above-mentioned metal core are located inside connecting component, i.e., connecting component wraps up above-mentioned metal core.Specific knot in relation to electrode contact
Structure can refer to the prior art, no longer be repeated herein.In embodiments of the present invention, the conduct of MC4 jointing is usually selected
Electrode contact in the embodiment of the present invention.
It should be noted that 42 metal core of one end and output electrode connector of above-mentioned 41 metal core of input electrode connector
One end is necessarily located on the outside of box body 1, and 42 metal core of the other end of 41 metal core of input electrode connector and output electrode connector
The other end need with corresponding input pin or output pin electrical connection.In embodiments of the present invention, in order to realize reduction light
The input pin of the effect of resistance in hint box, the metal core and protection circuit of above-mentioned input electrode connector 41 is directly connected to, i.e.,
The metal core of input electrode connector 41 can extend to the inside of box body 1 from the outside of box body 1, and input corresponding with pedestal 2 is drawn
Foot directly contacts.Due in pedestal 2 input pin towards certain one side wall of box body 1 be arranged, the gold of corresponding input electrode connector 41
Belonging to core can directly contact across the side wall with input pin.
Since the quality of metal core is more hard, above-mentioned input electrode connector 41 is usually to be close to 1 side-wall outer side of box body to set
It sets, while input electrode connector 41 can not flexible transformation position.For the ease of the connection of photovoltaic wire box and solar battery sheet, on
Stating input electrode connector 41 is usually to be close to the setting of the same side-wall outer side of box body 1, and the metal core of input electrode connector 41 can pass through
The same side wall of box body 1, while the output pin in pedestal 2 can be arranged towards same side wall.In order to guarantee that photovoltaic wire box can be with
Flexibly be electrically connected with other assemblies, in embodiments of the present invention at least one output electrode connector 42 by conductor wire 3 with it is right
The output pin electrical connection answered.Specifically, above-mentioned conductor wire 3 can extend to box from the outside of box body 1 by an end face of box body 1
The metal core of the inside of body 1, at least one output electrode connector 42 is in contact with the end that conductor wire 3 is located at 1 outside of box body, and
The end that conductor wire 3 is located at the inside of box body 1 can be contacted with corresponding output pin, with realize output electrode connector 42 with it is corresponding defeated
Pin is electrically connected out.Since the length of conductor wire 3 is usually longer and can arbitrarily be bent, so that the output being connect with conductor wire 3
Electrode contact 42 can extend to other according to the actual situation and need the component position that connects, to realize that photovoltaic wire box can be with
Flexibly it is electrically connected with other assemblies.Specific structure in relation to conductor wire 3 can refer to the prior art, no longer go to live in the household of one's in-laws on getting married herein
It states.
Since two output pins in embodiments of the present invention are respectively facing 1 two opposite end faces of box body in pedestal 2 again
Setting, so that output electrode connector 42 can be electrically connected across the end face of box body 1 with corresponding output pin in embodiments of the present invention
It connects, one of output electrode connector 42 can be electrically connected by passing through the conducting wire of 1 end face of box body with corresponding output pin in box body 1
It connects.The input pin in pedestal 2 and output pin can be respectively facing three different direction settings at this time, can make to draw at this time
Foot spacing is larger, and the generation of short-circuit conditions can be effectively prevented, and is conducive to the yields for increasing photovoltaic wire box.
In embodiments of the present invention, the axis of input electrode connector 41 and 1 broadside extended line general parallel orientation of box body, and export
The axis and 1 long side extended line general parallel orientation of box body of electrode contact 42.Under normal conditions, the axis of above-mentioned input electrode connector 41
Angle between 1 broadside extended line of box body is within 30 °, while the axis of above-mentioned output electrode connector 42 and 1 long side of box body
Angle between extended line is generally also within 30 °.Certainly, above-mentioned angle can also have others to take in embodiments of the present invention
It is worth range, in embodiments of the present invention and is not specifically limited.
A kind of photovoltaic wire box provided by the embodiment of the present invention, including box body 1, be provided with protection circuit pedestal 2, two
Input electrode connector 41 and two output electrode connectors 42.Pedestal 2 is set in box body 1 to protect circuit to be hardly damaged, the bottom of at
Seat 2 is provided with the input pin and output pin of protection circuit.Input electrode connector 41 is photovoltaic wire box and solar battery sheet
The connector of connection, output electrode connector 42 are the connector that photovoltaic wire box is connect with other assemblies.Input electrode connector 41 and output
Electrode contact 42 includes the metal core due to transmitting electric current, the metal core of input electrode connector 41 can pass through 1 side wall of box body with
Corresponding input pin directly contacts, to reduce the contact electricity in photovoltaic wire box between input electrode connector 41 and input pin
Resistance reduces the interior resistance of photovoltaic wire box.
Simultaneously at least one output electrode connector 42 metal core by conductor wire 3 in pedestal 2 direction one end face it is defeated
Pin is electrically connected out, in order to which solar battery sheet is electrically connected by photovoltaic wire box with other assemblies.And another output electrode connector
42 metal core can be electrically connected with the output pin in pedestal 2 towards other end, so that can be towards three directions in pedestal 2
Output pin and input pin are set, the generation of short-circuit conditions can be effectively prevented to will increase the spacing between pin,
Be conducive to increase the yields of photovoltaic wire box.
Specific structure in relation to a kind of photovoltaic wire box provided by the embodiment of the present invention will be done in following inventive embodiments
It is discussed in detail.
Fig. 2 and Fig. 3 is please referred to, Fig. 2 shows for a kind of structure of specific photovoltaic wire box provided by the embodiment of the present invention
It is intended to;Fig. 3 is the structural schematic diagram of the specific photovoltaic wire box of another kind provided by the embodiment of the present invention.
It is different from foregoing invention embodiment, the embodiment of the present invention is on the basis of foregoing invention embodiment, further
The structure of photovoltaic wire box is specifically limited.Remaining content is described in detail in foregoing invention embodiment, herein
No longer repeated.
In embodiments of the present invention, the specific structure of two kinds of photovoltaic wire box is provided altogether, it is defeated in both photovoltaic wire box
The metal core for entering electrode contact 41 both passes through 1 side wall of box body and directly contacts with input pin;At least one output electrode connector 42
It is electrically connected by the end face that conductor wire 3 passes through box body 1 with corresponding output pin.
The first: referring to fig. 2, the photovoltaic wire box includes two conductor wires 3, and the output electrode connector 42 is logical
The corresponding conductor wire 3 is crossed to be electrically connected with the corresponding output pin.Above-mentioned input electrode connector 41 abuts box body 1 one
Side wall setting, and two output electrode connectors 42 are electrically connected by conductor wire 3 with corresponding output pin.
Specifically, wherein a conductor wire 3 passes through an end face of box body 1, another conductor wire 3 passes through 1 other end of box body;Its
In metal core and the conductor wire 3 of an output electrode connector 42 be located at the end in 1 outside of box body and contact, another output electrode connector
42 metal core is contacted with the end that another conductor wire 3 is located at 1 outside of box body;Above-mentioned two conductor wires 3 are located inside box body 1
End is contacted with corresponding output pin, and the position of two output electrode connectors 42 all has higher flexibility at this time.It is setting
When setting this kind of photovoltaic wire box, the spacing that the positive and negative electrode of solar battery sheet usually requires setting is smaller, and the photovoltaic wire box is usual
It is tightly attached to solar battery sheet setting, but the other assemblies connecting with the solar battery sheet do not need then close to solar-electricity
The setting of pond piece.
Second, referring to Fig. 3, photovoltaic wire box includes a conductor wire 3;One output electrode connector 42 by conductor wire 3 with
Corresponding output pin electrical connection, the end face that the metal core of another output electrode connector 42 passes through box body 1 are drawn with corresponding output
Foot directly contacts.
This kind of photovoltaic wire box can make interior resistance reach minimum while guaranteeing Installation Flexibility, two of them input
The metal core of the metal core of electrode contact 41 and an output electrode connector 42 is directly directly contacted with corresponding pin, this
When not only two output electrode connectors 42 need against 1 one side wall of box body be arranged, the metal core pair directly contacted with output pin
The output electrode connector 42 answered needs to be arranged against 1 one end face of box body.And by conductor wire 3 pass through 1 other end of box body with it is right
The position flexibility with higher for the output electrode connector 42 for answering output pin to be electrically connected.When this kind of photovoltaic wire box is arranged,
The spacing that the positive and negative electrode of solar battery sheet usually requires setting is smaller, which is usually tightly attached to solar battery sheet
Setting, while the component for needing to connect with the solar battery sheet is arranged close to solar battery sheet.
The embodiment of the present invention specifically provides the specific structure of two kinds of photovoltaic wire box, photovoltaic wire box can be made to have
Lesser interior resistance simultaneously so that photovoltaic wire box have certain Installation Flexibility.
Specific structure in relation to a kind of photovoltaic wire box provided by the embodiment of the present invention will be done in following inventive embodiments
It is discussed in detail.
Referring to FIG. 4, Fig. 4 is the structural schematic diagram of another specific photovoltaic wire box provided by the embodiment of the present invention.
It is different from foregoing invention embodiment, the embodiment of the present invention is on the basis of foregoing invention embodiment, further
The structure of photovoltaic wire box is specifically limited.Remaining content is described in detail in foregoing invention embodiment, herein
No longer repeated.
In embodiments of the present invention, the metal core of at least one input electrode connector 41 draws with the corresponding input
Foot is integrated.I.e. in embodiments of the present invention, at least one input pin of above-mentioned protection circuit can be made into column
Shape or strip, the side wall which can pass through box body 1 out of box body 1 extends to outside box body 1, to connect as input electrode
First 41 metal core uses.Do not have contact resistance, Ke Yijin between integrated metal core and corresponding input pin at this time
The interior resistance of the reduction photovoltaic wire box of one step.In embodiments of the present invention, the metal of a pair of of integral structure can be only set
Two pairs of metal cores and corresponding input pin can also be respectively provided with integralization structure, thus maximum limit by core and input pin
The interior resistance of the reduction photovoltaic wire box of degree.
Further, in embodiments of the present invention, the photovoltaic wire box further includes for conductor wire 3 and box body 1 is fixed
The connector 5 of connection.Since conductor wire 3 is pliable, conductor wire 3 is easy contracting under the effect of external force after long-time use
In to box body 1 and group cuddles up in a heap, this will lead to 1 outer conductive line of box body, 3 length and shortens, and be unfavorable for the use of photovoltaic wire box.
So in embodiments of the present invention, being provided with the connector 5 for conductor wire 3 to be fixedly connected with box body 1.The connector 5 is logical
Often one can be formed for the through-hole of conductor wire 3 to be arranged in the end face of box body 1, and conductor wire 3 and box body 1 are fixed in through hole and connected
It connects, to prevent the occurrence of conductor wire 3 is reduced in box body 1 under external force.Certainly, in embodiments of the present invention may be used
To be directly to open up a through-hole in the end face of box body 1, which is used for the fixation of conductor wire 3;I.e. above-mentioned connector 5 and box body 1
It can be an integral structure.
Further, protective glue can be filled in box body 1 in embodiments of the present invention.Due to the sun under normal conditions
Energy cell piece can be arranged outdoors, and outdoor condition is more severe, be easy to cause the damage of protection circuit in box body 1.In order to
Further protection is located at the protection circuit in box body 1, protective glue can be arranged in box body 1 in embodiments of the present invention, should
The protection circuit that protective glue usually requires package pedestal 2 and is arranged in pedestal 2.Concrete component in relation to above-mentioned protective glue can
To be set according to actual conditions, it is not specifically limited herein.Protective glue is arranged in box body 1 preferably to make to protect circuit not
It is easy to damage.
A kind of photovoltaic wire box provided by the embodiment of the present invention, by by the metal core of input electrode connector 41 and corresponding
Input pin setting is integrated, and can be further reduced the interior resistance of photovoltaic wire box;By the way that protection is arranged in box body 1
Glue can further make that circuit is protected to be hardly damaged.
The present invention also provides a kind of photovoltaic modulies, including solar battery sheet to mention with such as any of the above-described inventive embodiments
The photovoltaic wire box of confession, the protection in input electrode connector 41 and photovoltaic wire box that above-mentioned solar battery sheet passes through photovoltaic wire box are electric
Road electrical connection.Remaining part in photovoltaic module please refers to the prior art, is no longer repeated herein.
The photovoltaic wire box as provided by foregoing invention embodiment has lower interior resistance, the corresponding embodiment of the present invention
Provided photovoltaic module equally has lower interior resistance, and the corresponding photovoltaic module can export bigger electric current, favorably
In the reduction of entreprise cost and the development of renewable energy.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of photovoltaic wire box provided by the present invention and a kind of photovoltaic module are described in detail above.It answers herein
With a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help to manage
Solve method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from
, can be with several improvements and modifications are made to the present invention under the premise of the principle of the invention, these improvement and modification also fall into this hair
In bright scope of protection of the claims.
Claims (10)
1. a kind of photovoltaic wire box, which is characterized in that including box body, pedestal, conductor wire, two input electrode connectors and two outputs
Electrode contact;
The pedestal is fixed on the tray interior, and the pedestal is provided with protection circuit, and the protection circuit includes two defeated
Enter pin and two output pins;There are two the input pins towards box body one side setting for the pedestal, described
Pedestal is provided with an output pin towards one end face of box body, and the pedestal is provided with another towards the box body other end
Output pin;
The metal core of the input electrode connector passes through the box side wall and directly contacts with the corresponding input pin;It is described
The metal core of output electrode connector is electrically connected with the output pin;The conductor wire passes through the end face of the box body from the box
Internal side extends on the outside of the box body, at least one output electrode connector is contacted with the end that conductor wire is located on the outside of box body,
The conductor wire is located at the end on the inside of box body and contacts with the corresponding output pin.
2. photovoltaic wire box according to claim 1, which is characterized in that the photovoltaic wire box includes two conductor wires,
The output electrode connector passes through the corresponding conductor wire and is electrically connected with the corresponding output pin.
3. photovoltaic wire box according to claim 1, which is characterized in that the photovoltaic wire box includes a conductor wire;
The one output electrode connector is electrically connected by the conductor wire with corresponding output pin, another output electrode connector
The end face that metal core passes through the box body is directly contacted with the corresponding output pin.
4. photovoltaic wire box according to claim 1, which is characterized in that the photovoltaic wire box further includes for by the conduction
The connector that line is fixedly connected with the box body.
5. photovoltaic wire box according to claim 4, which is characterized in that be filled with protective glue in the box body.
6. photovoltaic wire box according to claim 1, which is characterized in that the electrode contact is MC4 jointing.
7. photovoltaic wire box according to claim 6, which is characterized in that the value range of the width of the box body be 15mm extremely
400mm, including endpoint value;The value range of the length of the box body is 15mm to 2000mm, including endpoint value;The box body
The value range of thickness is 5mm to 60mm, including endpoint value.
8. photovoltaic wire box according to claim 7, which is characterized in that the box body includes cassette bottom and box cover, the box cover
It is removably connect with the cassette bottom.
9. according to claim 1 to photovoltaic wire box described in any one of 8 claims, which is characterized in that at least one is described defeated
The metal core for entering electrode contact is integrated with the corresponding input pin.
10. a kind of photovoltaic module, which is characterized in that including solar battery sheet and any one of such as claim 1 to 9 claim
The photovoltaic wire box, the solar battery sheet are electrically connected by the input electrode connector with the protection circuit.
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CN201910371583.1A CN110011614A (en) | 2019-05-06 | 2019-05-06 | A kind of photovoltaic wire box and a kind of photovoltaic module |
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CN201910371583.1A CN110011614A (en) | 2019-05-06 | 2019-05-06 | A kind of photovoltaic wire box and a kind of photovoltaic module |
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CN103094383A (en) * | 2011-11-03 | 2013-05-08 | 江苏正恺电子科技有限公司 | Solar photovoltaic connecting box |
CN104362972A (en) * | 2014-11-15 | 2015-02-18 | ***电子第四十研究所华成高新技术公司 | Split type photovoltaic terminal box with cable protection structure |
CN108551325A (en) * | 2018-06-26 | 2018-09-18 | 浙江晶科能源有限公司 | A kind of photovoltaic junction box |
CN108599716A (en) * | 2018-06-26 | 2018-09-28 | 浙江晶科能源有限公司 | A kind of photovoltaic junction box |
CN209517057U (en) * | 2019-05-06 | 2019-10-18 | 晶科能源有限公司 | A kind of photovoltaic wire box and a kind of photovoltaic module |
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CN103094383A (en) * | 2011-11-03 | 2013-05-08 | 江苏正恺电子科技有限公司 | Solar photovoltaic connecting box |
CN102694046A (en) * | 2012-06-15 | 2012-09-26 | 江苏派特科技发展有限公司 | Negative-voltage and energy-storage photovoltaic connecting box |
CN104362972A (en) * | 2014-11-15 | 2015-02-18 | ***电子第四十研究所华成高新技术公司 | Split type photovoltaic terminal box with cable protection structure |
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Address after: No. 1 Yingbin Avenue, Shangrao Economic and Technological Development Zone, Shangrao City, Jiangxi Province, 334000 Applicant after: Jinko Solar Co., Ltd. Applicant after: ZHEJIANG JINKO SOLAR Co.,Ltd. Address before: 334100, No. 1, crystal Road, Shangrao Economic Development Zone, Jiangxi, China Applicant before: JINKO SOLAR Co.,Ltd. Applicant before: ZHEJIANG JINKO SOLAR Co.,Ltd. |
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