CN208753331U - Photovoltaic module - Google Patents

Photovoltaic module Download PDF

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Publication number
CN208753331U
CN208753331U CN201821260680.0U CN201821260680U CN208753331U CN 208753331 U CN208753331 U CN 208753331U CN 201821260680 U CN201821260680 U CN 201821260680U CN 208753331 U CN208753331 U CN 208753331U
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China
Prior art keywords
battery unit
output end
battery
cathode output
photovoltaic module
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CN201821260680.0U
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Chinese (zh)
Inventor
刘秤明
车伏龙
张雪芬
刘洪明
赵志刚
覃冬梅
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201821260680.0U priority Critical patent/CN208753331U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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Abstract

The utility model relates to a kind of photovoltaic modulies, have the first opposite side and second side;The photovoltaic module includes cathode output end and cathode output end, and the cathode output end is located at the side in first side and described second side, and the cathode output end is located at the other side in first side and described second side.In above-mentioned photovoltaic module, draw cathode output end and cathode output end from the opposite sides of photovoltaic module, so in the multiple photovoltaic modulies of subsequent assembly and connection, for two adjacent photovoltaic modulies, the cathode output end of one of them and adjacent with the cathode output end of wherein another one only need to not need to make the conducting wire of connection by the region where photovoltaic module itself in the region connecting wire between two neighboring photovoltaic module, wiring distance is shorter, and wiring is more convenient.

Description

Photovoltaic module
Technical field
The utility model relates to field of photovoltaic power generation, more particularly to photovoltaic module.
Background technique
Photovoltaic power generation is the photovoltaic effect using interface and solar energy is directly translated into one kind of electric energy Generation technology.Photovoltaic power generation has been subjected to the extensive concern of countries in the world at present, has been developed as a new industry.Photovoltaic Component is by made of the connection of several monomer solar battery series and parallels and tight encapsulation, is to realize that photovoltaic power generation minimum can not The photovoltaic cell of segmentation combines the unit.
In photovoltaic module, generally connect a number of welding of battery film to form battery strings.It, will when making battery strings The front electrode of preceding a piece of battery, which is connected and heats with rear a piece of cell backside electrode, to be welded together, and so on, it will be a piece of The welding of battery film of piece, which is together in series, forms battery strings, and common 10 or 12 are a string;Then the battery strings that will be welded Typesetting, common type-setting mode are 6 string * 10 or 6 strings * 12, are gone here and there by the bypass diode etc. in busbar and terminal box Join multiple battery strings, and draws cathode output end 112 and cathode output end 132, then final by a series of establishment of component techniques Form photovoltaic module.But in the multiple traditional photovoltaic modulies of subsequent connection, wiring is more inconvenient.
Utility model content
Based on this, it is necessary to for the problem of traditional multiple photovoltaic module wiring inconvenience, provide a kind of easy-to-connect Photovoltaic module.
A kind of photovoltaic module has the first opposite side and second side;
The photovoltaic module includes cathode output end and cathode output end, the cathode output end be located at first side and Side in described second side, the cathode output end are located at the other side in first side and described second side.
In above-mentioned photovoltaic module, draw cathode output end and cathode output end from the opposite sides of photovoltaic module, so In the multiple photovoltaic modulies of subsequent assembly and connection, for two adjacent photovoltaic modulies, the cathode output end of one of them and with Wherein the cathode output end of another one is adjacent, only need to not need to make in the region connecting wire between two neighboring photovoltaic module The conducting wire of connection is by the region where photovoltaic module itself, and wiring distance is shorter, and wiring is more convenient.
It is first direction that the direction of described second side is directed toward in first side in one of the embodiments,;
The photovoltaic module includes:
Multiple battery strings, each battery strings include multiple cell pieces along first direction arrangement, multiple described Battery strings are along the second direction arrangement intersected with the first direction;
Wherein, a part in multiple battery strings, which is connected, forms the first battery unit, in multiple battery strings Another part connects to form the second battery unit, first battery unit and second battery unit it is adjacent and connect, institute First side for stating one in the first battery unit and second battery unit is arranged the cathode output end, and described first Cathode output end is arranged in described second side of another one in battery unit and second battery unit.
First battery unit includes adjacent with second battery unit first matching in one of the embodiments, Closing battery strings, second battery unit includes adjacent with first battery unit the second cooperation battery strings, and described first The positive and negative anodes orientation of cell piece described in battery strings and the positive and negative anodes of cell piece described in the second cooperation battery strings is cooperated to arrange Column direction is identical.
First battery unit further includes transition cathode output end in one of the embodiments, first cooperation Draw the transition cathode output end in first side of battery strings;Second battery unit further includes the output of transition anode The second side at end, the second cooperation battery strings draws the transition cathode output end, and the transition cathode output end It is electrically connected to each other with the transition cathode output end.
First battery unit includes in this second direction apart from second electricity in one of the embodiments, The first farthest output battery strings of pool unit, the cathode output end is drawn in first side of the first output battery strings; Second battery unit includes the second farthest apart from first battery unit in this second direction output battery strings, Second side of second output battery strings draws the cathode output end.
The quantity of multiple cell pieces is less than multiple electricity in each battery strings in one of the embodiments, The quantity of pond string;
The photovoltaic module further includes bypass diode, and the bypass diode and the battery are series-parallel.
The photovoltaic module includes photovoltaic glass and backboard in one of the embodiments, first battery unit and Second battery cell pack is between the photovoltaic glass and the backboard;Or
The photovoltaic module includes front photovoltaic glass and back side photovoltaic glass, first battery unit and described second Battery cell pack is between the front photovoltaic glass and back side photovoltaic glass.
It in one of the embodiments, further include two groups of terminal boxes on the backboard or the back side photovoltaic glass, One of terminal box described in two groups is connect with first battery unit, for exporting the power of first battery unit, The other of terminal box described in two groups is connect with second battery unit, for exporting the function of second battery unit Rate, and terminal box described in two groups is serially connected to merge the output work of first battery unit and second battery unit Rate.
The terminal box includes positive terminal box and negative junction box in one of the embodiments,;Wiring described in two groups A positive terminal box in box connect with the cathode output end and draws positive output lead, another in terminal box described in two groups One positive terminal box connect with the transition cathode output end and draws transition positive wire;One in terminal box described in two groups is negative Pole terminal box connect with the cathode output end and draws cathode output lead, another negative terminal in terminal box described in two groups Box connect with the transition cathode output end and draws transition cathode conductor, and the transition positive wire and the transition cathode Conducting wire is connected with each other.
The terminal box further includes halfway junction box in one of the embodiments, and the halfway junction box is located at described Between positive terminal box and the negative junction box, and the positive terminal box, the negative junction box and the intermediate connection The bypass diode is provided in box, the bypass diode and the battery are series-parallel.
Detailed description of the invention
Fig. 1 is the circuit diagram of photovoltaic module in an embodiment of the present invention;
Fig. 2 is the front schematic view of photovoltaic module shown in Fig. 1;
Fig. 3 is the schematic rear view of photovoltaic module shown in Fig. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model The understanding for opening content is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.
As shown in Figure 1, the photovoltaic module 100 in an embodiment of the present invention, including multiple battery strings being serially connected 10, and each battery strings 10 include multiple cell pieces 12 being serially connected, i.e., by multiple 12 arrays of cell piece and connect, to receive Illumination simultaneously generates electricity.
In some embodiments, photovoltaic module 100 has the first opposite side 21 and second side 23, and photovoltaic module 100 wraps Cathode output end 112 and cathode output end 132 are included, cathode output end 112 is located at the side in the first side 21 and second side 23, bears Pole output end 132 is located at the other side in the first side 21 and second side 23, make cathode output end 112 and cathode output end 132 from The opposite sides of photovoltaic module is drawn.So in the multiple photovoltaic modulies 100 of subsequent assembly and connection, for two adjacent photovoltaics Component 100, the cathode output end 112 of one of them and adjacent with the cathode output end 132 of wherein another one only need to be adjacent two Region connecting wire between a photovoltaic module 100 does not need to make the conducting wire of connection by the area where photovoltaic module 100 itself Domain, wiring distance is shorter, and wiring is more convenient.
In some embodiments, the direction that second side 23 is directed toward in the first side 21 is first direction, and each battery strings 10 include Multiple cell pieces 12 arranged in the first direction, multiple battery strings 10 are along the second direction arrangement intersected with first direction.In this way, Multiple cell pieces 12 are subjected to array in the first direction and a second direction.Specifically, first direction and second direction are mutually hung down Directly, it is equivalent to multiple 12 rectangular arrays of cell piece, wherein multiple cell pieces 12 along first direction (for example, horizontal direction) are gone here and there Connection is a battery strings 10, and multiple battery strings 10 are arranged and connected in a second direction (for example, vertical direction).
As shown in Figs. 1-2, in some embodiments, a part in multiple battery strings 10 forms the first battery unit 11, Another part in multiple battery components forms the second battery unit 13, and the first battery unit 11 and the second battery unit 13 are adjacent And it connects.Although in this way, dividing multiple battery strings 10 for two parts, by the first battery unit 11 and the second battery list It will not influence whole power output after 13 series connection of member.Also, one in the first battery unit 11 and the second battery unit 13 Cathode output end 112 is arranged in first side 21, and second side 23 of another one is set in the first battery unit 11 and the second battery unit 13 Set cathode output end 132.Multiple battery strings 10 are divided into two adjacent first battery units 11 and the second battery unit 13, cathode output end 112 is drawn from the first side 21 of the first battery unit 11, is drawn from second side 23 of the second battery unit 13 Cathode output end 132 so makes cathode output end 112 and cathode output end 132 be located at opposite two of photovoltaic module 100 Side easily can carry out wiring with other adjacent photovoltaic modulies 100.
Further, the first battery unit 11 includes adjacent with the second battery unit the first cooperation battery strings 116, and second It includes the second cooperation battery strings 136 adjacent with the first battery unit, battery in the first cooperation battery strings 116 that battery, which beats unit 13, The positive and negative anodes orientation of piece 12 is identical as the positive and negative anodes orientation of cell piece 12 in the second cooperation battery strings 136, for example, the One cooperation battery strings 116 are arranged successively anode and cathode along first direction, and similarly, the second cooperation battery strings 136 are along first party To be arranged successively anode and cathode.It is arranged by the homopolarity of the first cooperation battery strings 116 and the second cooperation battery strings 136, The cathode output end 132 of the cathode output end 112 and the second battery unit 13 that make the first battery unit 11 is located at different two sides.
In some embodiments, the first battery unit 11 further includes transition cathode output end 114, the first cooperation battery strings Transition cathode output end 114 is drawn in 116 the first side 21, and the positive and negative anodes of two neighboring battery strings 10 are handed in the first battery unit 11 Mistake arrangement, can have the transition cathode output end 114 with 112 the same side of cathode output end;Second battery unit 13 further includes Second side 23 of transition cathode output end 134, the second cooperation battery strings 136 draws transition cathode output end 134, the second battery list The positive and negative anodes of two neighboring battery strings 10 are staggered in member 13, can have with the transition of 132 the same side of cathode output end just Pole output end 134, and transition cathode output end 134 is electrically connected with transition cathode output end 114, with the first battery unit of connecting 11 and second battery unit 13.
In some embodiments, the first battery unit 11 further include in a second direction the second battery unit of distance 13 it is farthest First output battery strings 118, first output battery strings 118 the first side 21 draw cathode output end 112, by the first battery list Cathode output end 112 is drawn after all battery strings 10 are connected in member 11;Second battery unit 13 further includes the first battery of distance The second farthest output battery strings 138 of unit 11, second side 23 of the second output battery strings 138 draw cathode output end 132, will Cathode output end 132 is drawn after all battery strings 10 are connected in second battery unit 13, guarantees the power generation function of photovoltaic module 100 Rate.Also, cathode output end 112 and cathode output end 114 is made to be located at two diagonal angles of photovoltaic module 100, easy-to-connect.
For photovoltaic module 100, when a piece of cell piece 12 of any of them is blocked or damages, it may appear that hot spot effect.For Reduction hot spot effect, photovoltaic module 100 further include bypass diode 30, and bypass diode 30 is in parallel with battery strings 10, works as electricity When pond piece 12 breaks down, battery strings 10 of the cell piece 12 where corresponding are bypassed by bypass diode 30, make this Battery strings 10 where cell piece 12 continue to generate electricity without power generation operation, while using other remaining battery strings 10.It avoids The cell piece 12 of failure consumes the electricity that other cell pieces 12 generate, and prevents cell piece 12 from burning out.
In some embodiments, in each battery strings 10 multiple cell pieces 12 quantity be less than multiple battery strings 10 number It measures, i.e., the negligible amounts of cell piece 12 in each battery strings 10 increase the string number of battery strings 10.For entire photovoltaic module 100, The quantity of cell piece 12 is less than the quantity of cell piece 12 in a second direction, the short side position of photovoltaic module 100 in a first direction In on first direction, the long side of photovoltaic module 100 is located in second direction.For 12 negligible amounts of cell piece battery strings 10 simultaneously After joining bypass diode 30, if the failure of cell piece 12 bypasses the 12 place battery strings 10 of cell piece, bypass The cell piece 12 fallen is less, while reducing hot spot effect, reduces internal loss, improves the power output of photovoltaic module 100.
In some embodiments, the quantity of multiple battery strings 10 is equal to multiple 12 quantity of cell piece in each battery strings 10 Twice, and the quantity of battery strings 10 is equal to the quantity of battery strings 10 in the second battery unit 13 in the first battery unit.It is equivalent to, 12 quadrate array of multiple cell pieces in first battery unit, multiple cell pieces 12 in the second battery unit 13 are also square Array, photovoltaic module 100 are the combination of two quadrate array cell pieces 12.Specifically, cell piece 12 in the first battery unit According to 6 * 6 typesetting arrays of string, cell piece 12 also goes here and there * 6 typesetting arrays according to for 6 in the second battery unit 13, entirely Photovoltaic module 100 is 12 array of cell piece of 12 strings * 6.
Further, the quantity of battery strings 10 is even number in the first battery unit 11 and the second battery unit 13, for example, It is 6 strings;Successively there is bypass diode 30 in two adjacent 10 loong shunts of battery strings in a second direction, when a certain cell piece 12 When failure, 12 corresponding two battery strings 10 of the cell piece are bypassed by bypass diode 30, reduce hot spot effect.Specifically Ground is successively bypassed in two adjacent 10 loong shunts of battery strings in a second direction in the photovoltaic module 100 of 12 * 6 typesettings of string Diode 30 needs 6 bypass diodes 30 in total, when some cell piece 12 breaks down, can pass through bypass diode Corresponding two battery strings 10 of 30 bypasses, that is, bypass 12 cell pieces 12.And in general photovoltaic module 100, for 72 electricity Pond piece 12 carries out the typesetting of 6 strings * 12, and successively needs in total in adjacent two strings, 10 loong shunt bypass diode 30 of battery strings 3 bypass diodes 30, when a certain cell piece 12 breaks down, corresponding two strings battery strings 10 are bypassed, the electricity bypassed out The quantity of pond piece 12 is 24, is twice of 12 quantity of cell piece 12 bypassed in the present embodiment.So the present embodiment mentions The photovoltaic module 100 of confession, when in order to reduce hot spot effect and shunt battery piece 12, the quantity of the cell piece 12 shielded is more Few, internal loss is smaller, and the cell piece 12 that residue can continue power generation is more, can export more power, improves entire The performance of photovoltaic module 100.
In some embodiments, photovoltaic module 100 is single glass component, including photovoltaic glass and backboard, the first battery unit 11 and second battery unit 13 be packaged between photovoltaic glass and backboard, formed " glass/12/ package material of encapsulating material/cell piece The interlayer structure of material/backboard ", while surrounding installs frame additional, the one side by being equipped with photovoltaic glass receives illumination.In other In embodiment, photovoltaic module 100 is solar double-glass assemblies, including front photovoltaic glass and back side photovoltaic glass, the first battery unit 11 And second battery unit 13 be packaged between front photovoltaic glass and back side photovoltaic glass, formed " front photovoltaic glass/package material The interlayer structure of material/12/ encapsulating material of cell piece/back side photovoltaic glass ", around withouyt frame, positive and negative two can be passed through The photovoltaic glass in face receives illumination.
It is above-mentioned list glass component and solar double-glass assemblies in, photovoltaic glass be the dedicated tempered glass of photovoltaic or semi-tempered glass, Encapsulating material is generally EVA or POE or PVB etc., and cell piece 12 is generally p-type/N-type crystal-silicon battery slice 12, and can be monocrystalline Or polycrystalline, backboard are usually organic T film backboard, such as TPT or TPE or TBF, frame is generally aluminium material frame.
As Figure 2-3, in some embodiments, photovoltaic module 100 further includes on backboard or back side photovoltaic glass Two groups of terminal boxes 50, so that two groups of terminal boxes 50 is located at the back side of photovoltaic module 100.Also, one of two groups of terminal boxes 50 It is connect with the first battery unit 11, for exporting the power of the first battery unit 11, the other of two groups of terminal boxes 50 and The connection of two battery units 13 that is, will be electric in photovoltaic module 100 by terminal box 50 for exporting the power of the second battery unit 13 The electricity that pond piece 12 generates is conveyed to the external world.Also, distinguished at two docking of photovoltaic module 100 by two groups of terminal boxes 50 Draw positive output lead and cathode output lead, the easy-to-connect when installing two neighboring photovoltaic module 100, especially in double glass Be conducive to that wiring is installed when component and Integration of building, improve component installation effectiveness.
Further, cable-through hole is offered on backboard or back side photovoltaic glass, is connected between terminal box 50 and battery strings 10 There is the electrical connector by cable-through hole, the electrical connector connecting with battery strings 10 is drawn by backboard, and and wiring by cable-through hole Box 50 connects.Specifically, electrical connector is busbar, and cable-through hole is opened in the long edge position of photovoltaic module 100.
In some embodiments, terminal box 50 is Split type connecting box, including positive terminal box 52 and negative junction box 54, Two groups of terminal boxes 50 include two positive terminal boxes 52 and two negative junction boxs 54.A positive terminal box in two groups of terminal boxes 50 52 connect with cathode output end 112 and draw positive output lead 51, another positive terminal box 52 and mistake in two groups of terminal boxes 50 It crosses the connection of cathode output end 134 and draws transition positive wire 57;A negative junction box 54 and cathode are defeated in two groups of terminal boxes 50 Outlet 132 connects and draws cathode output lead 55, and another negative junction box 54 is exported with transition cathode in two groups of terminal boxes 50 114 connection of end and transition cathode conductor 53 is drawn, transition positive wire 57 and transition cathode conductor 53 are connected with each other, to connect two Group terminal box 50, and pass through positive output lead 51 and 55 pairs of cathode output lead extraneous load output 11 Hes of the first battery unit The electricity that second battery unit 13 generates.
Further, terminal box 50 further includes halfway junction box 56, and halfway junction box 56 is located at positive terminal box 52 and bears Between pole terminal box 54, and bypass diode is provided in positive terminal box 52, halfway junction box 56 and negative junction box 54 30, bypass diode 30 is in parallel with battery strings 10, in 10 loong shunt bypass diode 30 of battery strings, to be passed through by terminal box 50 Terminal box 50 installs bypass diode 30, prevents bypass diode 30 exposed and is damaged.Optionally, terminal box 50 is fission Formula intelligent wiring box is, it can be achieved that the intelligent power generation monitoring of battery strings 10 and MPPT optimize tracking, promotion photovoltaic group valence generating efficiency.
Specifically, in the photovoltaic module 100 of 12 * 6 typesettings of string, corresponding first battery unit of first group of terminal box 50 11, and it is located at the first side 21 of photovoltaic module 100, bypass diode 30 is parallel to first group two by positive terminal box 52 therein It goes here and there outside battery strings 10, bypass diode 30 is parallel to outside second group of two string battery strings 10 by halfway junction box 56, negative junction box Bypass diode 30 is parallel to third group two by 54 goes here and there outside battery strings 10.Corresponding second battery unit 13 of second group of terminal box 50, And it is located at second side 23 of photovoltaic module 100, positive terminal box 52, halfway junction box 56 and the cathode in second group of terminal box 50 Bypass diode 30 is equally parallel to outside every two strings battery strings 10 by terminal box 54 respectively.In this way, every the two of photovoltaic module 100 String 10 loong shunt bypass diode 30 of battery strings to reduce hot spot effect, and protects bypass diode by 50 shell of terminal box 30.Meanwhile when connecting terminal box 50, cable specification, length, connecting terminal mode etc. design according to actual needs.
In above-mentioned photovoltaic module 100, make the opposite sides of cathode output end 112 and cathode output end 132 from photovoltaic module It draws, so in the multiple photovoltaic modulies 100 of subsequent assembly and connection, for two adjacent photovoltaic modulies 100, one of them Cathode output end 112 and adjacent with the cathode output end 132 of wherein another one, only need to be between two neighboring photovoltaic module 100 Region connecting wire, do not need to make the conducting wire of connection by the region where photovoltaic module 100 itself, wiring apart from shorter, Wiring is more convenient.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of photovoltaic module (100), which is characterized in that have opposite the first side (21) and second side (23);
The photovoltaic module (100) includes cathode output end (112) and cathode output end (132), the cathode output end (112) Side in first side (21) and described second side (23), the cathode output end (132) are located at first side (21) and the other side in described second side (23).
2. photovoltaic module (100) according to claim 1, which is characterized in that first side (21) is directed toward described second The direction of side (23) is first direction;
The photovoltaic module (100) includes:
Multiple battery strings (10), each battery strings (10) include multiple cell pieces (12) along first direction arrangement, Multiple battery strings (10) are along the second direction arrangement intersected with the first direction;
Wherein, a part series connection in multiple battery strings (10) forms the first battery unit (11), multiple battery strings (10) another part in connects to be formed the second battery unit (13), first battery unit (11) and the second battery list First (13) are adjacent and connect, first side of one in first battery unit (11) and second battery unit (13) (21) cathode output end (112) is set, it is another in first battery unit (11) and second battery unit (13) Cathode output end (132) are arranged in described second side (23) of person.
3. photovoltaic module according to claim 2, which is characterized in that first battery unit (11) includes and described The first adjacent cooperation battery strings (116) of two battery units (13), second battery unit (13) include and first electricity The second adjacent cooperation battery strings (136) of pool unit (11), cell piece (12) described in first cooperation battery strings (116) Positive and negative anodes orientation is identical as the positive and negative anodes orientation of cell piece (12) described in the second cooperation battery strings (136).
4. photovoltaic module (100) according to claim 3, which is characterized in that first battery unit (11) further includes Transition cathode output end (114), it is defeated that first side (21) of first cooperation battery strings (116) draws the transition cathode Outlet (114);Second battery unit (13) further includes transition cathode output end (134), the second cooperation battery strings (136) described second side (23) draws the transition cathode output end (134), and the transition cathode output end (134) with The transition cathode output end (114) is electrically connected to each other.
5. photovoltaic module (100) according to claim 2, which is characterized in that first battery unit (11) is included in The first farthest output battery strings (118) of second battery unit (13) described in distance in the second direction, first output First side (21) of battery strings (118) draws the cathode output end (112);Second battery unit (13) is included in The second farthest output battery strings (138) of first battery unit (11) described in distance in the second direction, the second output battery Second side (23) of string (138) draws the cathode output end (132).
6. photovoltaic module (100) according to claim 4, which is characterized in that multiple institutes in each battery strings (10) The quantity for stating cell piece (12) is less than the quantity of multiple battery strings (10);
The photovoltaic module (100) further includes bypass diode (30), the bypass diode (30) and the battery strings (10) It is in parallel.
7. photovoltaic module (100) according to claim 6, which is characterized in that the photovoltaic module (100) includes photovoltaic glass Glass and backboard, first battery unit (11) and second battery unit (13) are packaged in the photovoltaic glass and the back Between plate;Or
The photovoltaic module (100) includes front photovoltaic glass and back side photovoltaic glass, first battery unit (11) and institute The second battery unit (13) is stated to be packaged between the front photovoltaic glass and back side photovoltaic glass.
8. photovoltaic module (100) according to claim 7, which is characterized in that further include being set to the backboard or the back Two groups of terminal boxes (50) on the photovoltaic glass of face, one of terminal box described in two groups (50) connect with first battery unit (11) It connects, for exporting the power of first battery unit (11), the other of terminal box described in two groups (50) and described second Battery unit (13) connection, for exporting the power of second battery unit (13), and terminal box described in two groups (50) is mutual It connects to merge the output power of first battery unit (11) and second battery unit (13).
9. photovoltaic module (100) according to claim 8, which is characterized in that the terminal box (50) includes positive terminal Box (52) and negative junction box (54);In the terminal box (50) being connect with first battery unit (11), the positive terminal Box (52) connect with the cathode output end (112) and draws positive output lead (51), the negative junction box (54) and institute It states transition cathode output end (114) connection and draws transition cathode conductor (53);It is connect with second battery unit (13) In terminal box (50), the positive terminal box (52) connect with the transition cathode output end (134) and to draw transition anode defeated Conducting wire (57) out, the negative junction box (54) connect with the cathode output end (132) and draw cathode output lead (55), And the transition anode output lead (57) and the transition cathode conductor (53) are connected with each other.
10. photovoltaic module (100) according to claim 9, which is characterized in that the terminal box (50) further include in indirectly Wire box (56), the halfway junction box (56) between the positive terminal box (52) and the negative junction box (54), and The bypass two is provided in the positive terminal box (52), the negative junction box (54) and the halfway junction box (56) Pole pipe (30).
CN201821260680.0U 2018-08-06 2018-08-06 Photovoltaic module Active CN208753331U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666373A (en) * 2018-08-06 2018-10-16 珠海格力电器股份有限公司 Photovoltaic module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666373A (en) * 2018-08-06 2018-10-16 珠海格力电器股份有限公司 Photovoltaic module

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