CN102664206B - Solar junction box - Google Patents
Solar junction box Download PDFInfo
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- CN102664206B CN102664206B CN201210174142.0A CN201210174142A CN102664206B CN 102664206 B CN102664206 B CN 102664206B CN 201210174142 A CN201210174142 A CN 201210174142A CN 102664206 B CN102664206 B CN 102664206B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to a solar junction box which comprises a base, an upper cover, a terminal assembly, three diodes, a terminal pressing block and a junction assembly. The base comprises a base plate, a peripheral plate, a clamping groove portion and a threaded connecting column, the clamping groove portion of the base comprises a front row of mounting seats and a back row of mounting seats, the four mounting seats of each row are arranged sequentially from left to right, eight fixing columns, which are arranged in a plumb manner, are connected to corresponding mounting seats respectively, the terminal component comprises four terminals which are copper electric-connection parts with bent structures, a top plate of each terminal is provided with a connecting hole, the three diodes are connected among the terminals electrically, each connecting hole on the terminal assembly is sleeved on one fixing column corresponding to the clamping groove portion of the base, the terminal pressing block is sleeved on one fixing column corresponding to the clamping groove portion through one fixing hole, each fixing column and the corresponding limiting frame are fixed together, and the upper cover and the base can be connected fixedly detachably. The solar junction box is good in radiating effect, reliable in performance and durable.
Description
Technical field
The present invention relates to a kind of terminal box for solar-energy photo-voltaic cell.
Background technology
Solar power system comprises solar cell array, solar charging controller for electric consumption and storage battery (group), and solar cell array is made up of solar module.Solar junction box is the connector between solar cell array and solar charging controller for electric consumption on the one hand, is that the electric power that solar battery group is produced is connected with the circuit of solar battery group outside on the other hand.Terminal box sticks together by the backboard of silica gel and solar module, bus-bar in solar module links together by the internal wiring in terminal box, internal wiring and External cable link together, thereby make solar module and External cable conducting.In terminal box, be provided with diode, guarantee solar module can normally be worked in the time being in the light.
For adapting to the different power requirement of each solar module producer, the terminal box model that solar module adopts is also varied.On market, in use, the stitch diode caloric value in box is larger for the solar junction box of routine, and radiating effect is poor, is progressively substituted just more and more at present by stamp-mounting-paper diode.The structure of the internal terminal of the solar junction box of employing stamp-mounting-paper diode is than adopting the solar junction box of stitch diode completely different.
Chinese patent literature CN201450294U(application number is 200920047431.8) terminal box and the Chinese patent literature CN201781431U(application number of a kind of solar battery panel of announcing be 201020136205.X) a kind of Modified photovoltaic module junction box of announcing all adopted stamp-mounting-paper diode, stamp-mounting-paper diode and the welding of large-area radiating copper sheet, radiating effect promotes to some extent, and also extend useful life thereupon.But this two kinds of junction box structures design is too simple, parts are single and design unreasonablely, cannot meet the requirement of actual use at all.
Summary of the invention
The object of this invention is to provide a kind of excellent in heat dissipation effect, dependable performance, long-lived solar junction box.
The technical scheme that realizes the object of the invention is to provide a kind of solar junction box, comprises base, upper cover, terminal assemblies, diode, terminal briquetting and connector assembly;
Base is integrated through injection molding part; Base comprises substrate, peripheral panels, draw-in groove portion and the post that is threaded; The peripheral panels vertical of base arranges, and is connected to substrate from top, and the position being surrounded by peripheral panels of substrate is intermediate plate; The substrate therebetween rear portion of plate is provided with along left and right to the strip hole arranging; Peripheral panels is end to end and form successively by header board section, left plate section, rear plate section and right panel section; The post that is threaded has 2, and a point left and right is connected to the header board section of peripheral panels from front, thereby is divided into left side post and the right side post that is threaded that is threaded; 2 posts that are threaded are open tubular column, and the centre bore of the post that is threaded connects the header board section of peripheral panels backward, and the anterior shell of column of the post that is threaded is provided with external screw thread; 2 rows, 4 mount pads that set gradually from left to right of every row before and after the draw-in groove portion of base comprises, each mount pad is all connected to the sagittal middle part of intermediate plate of substrate from top; Draw-in groove portion also comprises the fixed leg that 8 verticals arrange, and each fixed leg is connected to a corresponding mount pad from top;
Terminal assemblies comprises 4 terminals, left side crimp head and right side crimp head; 4 terminals are arranged successively according to order from left to right, and be called the first terminal successively, the second terminal, the 3rd terminal and the 4th terminal; 4 terminals are the electrical connector made of copper of bending structure; The front end of left side crimp head and the first terminal is connected as a single entity, and the front end of right side crimp head and the 4th terminal is connected as a single entity; Each terminal is bent into cell body position and 2 cell body positions that Open Side Down of spaced 2 opening upwards according to direction from back to front, these 4 cell body positions are according to being called successively the first cell body, the second cell body, the 3rd cell body and the 4th cell body from rear extremely front order; Wherein, all upwards, the second cell body of each terminal and the opening of the 4th cell body are all downward for the first cell body of each terminal and the opening of the 3rd cell body; Terminal assemblies 3 is equipped with 1 connecting hole on the second cell body of each terminal and the top board of the 4th cell body;
Diode has 3, and 3 diodes are stamp-mounting-paper diode, and each stamp-mounting-paper diode divides left and right to set gradually, and is called successively the first stamp-mounting-paper diode, the second stamp-mounting-paper diode and the 3rd stamp-mounting-paper diode; The first stamp-mounting-paper diode is connected electrically between the first terminal and the second terminal, and the second stamp-mounting-paper diode is connected electrically between the second terminal and the 3rd terminal, and the 3rd stamp-mounting-paper diode is connected electrically between the 3rd terminal and the 4th terminal;
Each connecting hole of terminal assemblies is enclosed within on 1 corresponding fixed leg of draw-in groove portion of base, and the upper end of each fixed leg protrudes upward;
Terminal briquetting is integrated through injection molding part, and terminal briquetting comprises the butt hook that is positioned at anterior position-limited rack and be positioned at rear portion; Butt hook hooks the draw-in groove portion of base from top; Terminal briquetting is provided with and connects that arrange upper and lower front and back 2,4 fixing holes of every row on its position-limited rack, and terminal briquetting is contacted by the upper side of the second cell body of the downside of its position-limited rack and each terminal of terminal assemblies and the top board of the 4th cell body; Terminal briquetting is enclosed within by its each fixing hole on the upper end of corresponding 1 fixed leg of the draw-in groove portion of base, and the position-limited rack of each fixed leg and terminal briquetting is fixed together;
Connector assembly has 2, is divided into left connector assembly and right connector assembly; Left connector assembly and the left side of the base removable screw thread of post that is threaded is fixedly connected with, and right connector assembly and the right side of the base removable screw thread of post that is threaded is fixedly connected with;
Upper cover is integrated through injection molding part, and upper cover and base be removable being fixed together each other.
Above-mentioned left connector assembly and right connector assembly include solidus assembly, cable and connector separately; Solidus assembly comprises sealing ring, line pawl and nut; Nut comprises threaded portion and is connected to the portion of tightening up of front side, threaded portion; Connector comprises the anodal connector that belongs to left connector assembly and the negative pole connector that belongs to right connector assembly; The post that is respectively threaded is provided with inner breach at the front end position of its anterior shell of column along interior Zhou Fangxiang; Cable has 2, and 1 belongs to left connector assembly, and another 1 belongs to right connector assembly; The rear end of the cable of left connector assembly is passed nut, line pawl and the sealing ring of the solidus assembly of left connector assembly from front to back successively, again through the left side of the base post that is threaded, stretch in base, its conductor is fixed in the left side crimp head of terminal assemblies, and its front end is connected with anodal connector; The rear end of the cable of right connector assembly is passed nut, line pawl and the sealing ring of the solidus assembly of right connector assembly from front to back successively, again through the right side of the base post that is threaded, stretch in base, its conductor is fixed in the right side crimp head of terminal assemblies, and its front end is connected with negative pole connector; The line pawl of each solidus assembly is enclosed within tight seal, closely the rear portion of seal and line pawl is stretched in the inside breach of anterior shell of column of the post that is threaded accordingly, nut is screwed on the anterior shell of column of post that is threaded accordingly by its threaded portion, and the anterior outside of tightening up the corresponding site of portion and line pawl by it contacts; Screw from front to back the nut post that makes to be threaded accordingly and compress from outside to inside line pawl, press seal circle from outside to inside of line pawl, sealing ring compresses corresponding cable from outside to inside, thereby cable seal is fixed on base.
Above-mentioned solar junction box also comprises upper cover sealing ring; The bottom of the upper cover main body of described upper cover is along the groove that is circumferentially with a circle outward opening; Upper cover sealing ring inlay card is in groove; Base also comprises Access Division, and the quantity of Access Division is 3 to 6; Upper cover comprises upper cover main body and clamping button; The quantity of clamping button is identical with the quantity of the Access Division of base; Each clamping button is all arranged on the outside of upper cover main body, and each clamping button is corresponding with the position of corresponding 1 Access Division of base; On removable corresponding 1 Access Division that is fixed on base of clamping button of upper cover, thereby detachable upper cover formula clamping sealing is fixed on base.
The intermediate plate of aforesaid substrate comprises horizontally disposed anterior plate body, middle part plate body and rear portion plate body, and the back panel body of the periphery plate body of substrate, the anterior plate body of intermediate plate and intermediate plate is positioned in same plane, the central panel height of intermediate plate is in anterior plate body and rear portion plate body, the front connecting plate being arranged by vertical between anterior plate body and middle part plate body is connected, and the rear connecting plate being arranged by vertical between rear portion plate body and middle part plate body is connected; The described substrate therebetween middle part plate body of plate is provided with the fin arranging to vertical along left and right on the downside that is connected to middle part plate body, fin has 2 to 6 rows, 2 to 6 of every rows, thus the front connecting plate of the intermediate plate of substrate and between front-seat fin, between the rear connecting plate between the adjacent fin in front and back and at the fin rear row and intermediate plate, form left and right to heat dissipation wind channel; Substrate therebetween four bights of the middle part plate body of plate is respectively provided with the heat radiation through hole of a upward and downward, peripheral panels be respectively provided with a corresponding heat radiation through hole with adjoining position, four bights of middle part plate body, each heat radiation through hole of peripheral panels communicates with the corresponding heat radiation through hole of substrate, thereby has formed 4 heat radiation air ports of substrate.
Above-mentioned solar junction box also comprises ventilated membrane; Described substrate also therebetween the right part of the middle part plate body of plate be provided with air-vent, ventilated membrane is pasted and fixed on the air-vent of substrate from below.
Above-mentioned upper cover also comprises left protuberance and right protuberance, and left protuberance is positioned at upper cover 2 left sides, and right protuberance is positioned at upper cover right side; Outer end, left side, outer end, right side and the rear side outer end of described substrate is all positioned at the outside in region that peripheral panels surrounds, thereby the position in the outside that is positioned at peripheral panels of substrate is peripheral plate; The left-hand portion of the left protuberance of upper cover and the periphery plate body of substrate has formed the position of the cable that clamps left connector assembly jointly; The position, right side of the right protuberance of upper cover and the periphery plate body of substrate has formed the position of the cable that clamps right connector assembly jointly.
The nut of above-mentioned connector assembly also comprises ratchet portion, is also that nut is made up of the ratchet portion, threaded portion and the portion of tightening up that are connected successively from back to front; The inner chamber of the ratchet portion of nut is cylindrical, and its inner diameter D is 10mm to 25mm, and the inwall of the ratchet portion of nut is provided with 25 to 45 locking tooths that are arranged in a circle, and the minimum angle α of the inner peripheral surface of each locking tooth and ratchet portion is 15 degree to 35 degree; The left side of described base post and the right side post that is threaded that is threaded is provided with retaining muscle at the rear side position that is positioned at front end separately respectively; Left side the be threaded retaining muscle separately of post of post and right side that is threaded is all stretched by the tangential direction of the outer circumference surface of the post that is threaded accordingly along clockwise direction; Locking tooth on the nut of connector assembly is the parts that match with the retaining muscle being threaded accordingly on post, and both have formed ratchet self-locking mechanism jointly; The inwall of the threaded portion of nut is provided with columniform internal thread, and external screw thread on the front end of this internal thread and the post that is threaded matches;
Described line pawl is made up of annular slab and 3 to 8 solidus pieces of annular; Each solidus piece is connected on annular slab around the circumference of annular slab successively by afterbody separately, each solidus piece belongs to a part for an imaginary cylindrical shell, the both sides of each solidus piece all equate with respect to the angle of the central axis of line pawl, and the interval between adjacent solidus piece also all equates with respect to the corresponding radian of central axis of line pawl, and the lateral surface of the leading portion of each solidus piece belongs to a part for an imaginary frustum cone side; The surface of internal cavity of the portion of tightening up of nut is totally rear large front little spherical zone face, and this spherical zone face is corresponding with the lateral surface of solidus piece.
Be threaded post and right side, the left side of above-mentioned base is threaded on post and respectively has 2 retaining muscle, and with the setting that is centrosymmetric of 2 retaining muscle of 1 post that is threaded, the 2 retaining muscle separately that are threaded on post to the distance d1 of the axis Y in the cross section of the post that is threaded and d2 not etc., the absolute value of the difference of d1 and d2 be less than or equal to the crown of two the adjacent locking tooths on the nut of corresponding connector assembly distance s 1/2.
The mount pad of above-mentioned draw-in groove portion is native font plate; The termination of the riser of each front-seat native font plate is towards front, the termination of the riser of each native font plate of rear row is towards rear, draw-in groove portion also comprises the limiting plate of the rear end of each riser of the native font plate that is connected to rear row, and be positioned at limiting plate rear side 1 row 4 barrier plates that set gradually from left to right, limiting plate and each barrier plate are all connected to the middle part plate body of intermediate plate of substrate from top;
The first terminal is also provided with the front connecting plate of the lower end of the horizontally disposed front side board that is connected to the 4th cell body; The 4th terminal is also provided with the front connecting plate of the lower end of the horizontally disposed front side board that is connected to the 4th cell body; Left side crimp head is connected as a single entity by the front end of the front connecting plate of its rear end and the first terminal, and right side crimp head is connected as a single entity by the front end of the front connecting plate of its rear end and the 4th terminal; The left side crimp head of terminal assemblies and right side crimp head are the copper integral piece of shell-like, all have the linear slit of walking of up/down perforation on the upside plate body of left side crimp head and right side crimp head;
The first stamp-mounting-paper diode is connected electrically between the 3rd cell body of the first terminal and the 3rd cell body of the second terminal, and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body of the first terminal and the base plate of the 3rd cell body of the second terminal by the electrical connection section of its bottom; The second stamp-mounting-paper diode is connected electrically between the 3rd cell body of the second terminal and the 3rd cell body of the 3rd terminal, and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body of the second terminal and the base plate of the 3rd cell body of the 3rd terminal by the electrical connection section of its bottom; The 3rd stamp-mounting-paper diode is connected electrically between the 3rd cell body of the 3rd terminal and the 3rd cell body of the 4th terminal, and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body of the 3rd terminal and the base plate of the 3rd cell body of the 4th terminal by the electrical connection section of its bottom;
The first cell body intercalation of each terminal of terminal assemblies is between corresponding 1 barrier plate and limiting plate, and the 3rd cell body intercalation of each terminal of terminal assemblies is between corresponding 1 native font plate of rear row and corresponding 1 native font plate at front row; Each connecting hole on the second cell body of terminal assemblies and the 4th cell body is enclosed within on 1 corresponding fixed leg of draw-in groove portion of base, and the upper end of each fixed leg protrudes upward the top board of the corresponding cell body of each terminal.
Above-mentioned terminal assemblies also comprises spring; Spring has 4, and each spring is copper plates spring; Each copper plates spring is arranged in the first cell body of a corresponding terminal, for jointly clamping relevant wire with the first cell body of each terminal.
The present invention has positive effect:
(1) solar junction box of the present invention adopts stamp-mounting-paper diode, and stamp-mounting-paper diode is weldingly fixed on the copper tip assembly that area of dissipation is very large, can reach good radiating effect, and the structural design of each terminal of terminal assemblies is ingenious, is convenient to assembling.This solar junction box excellent in heat dissipation effect, dependable performance is durable in use.
(2) box body of solar junction box of the present invention is provided with clamping button, upper cover and base fixation, upper cover and base make the side direction of upper cover sealing ring that self more than 30% deformation occur by extruding upper cover sealing ring, thereby carry out lateral seal, the water proof and dust proof of this product is significantly improved.
(3) base of solar junction box of the present invention is provided with air-vent, and be attached to the position that air-vent is set of base from viscous with air permeable waterproof, hydrophobic and oil repellent and the firmly ventilated membrane that bonds, in solving heat dissipation problem, ensure the water proofing property of solar junction box, durable in use.
(4) interface arrangment of each parts of solar junction box of the present invention is reasonable in design, accurate positioning, thus make assembly and disassembly convenient, relatively maintenance maintenance.
(5) the line pawl in the solidus assembly of solar junction box of the present invention is connected and is formed by 6 to 10 solidus piece afterbodys that distribute ringwise, when fastening nut, the solidus piece that the front end of the inner cylindrical housing of nut promotes line pawl draws in to centre, thereby cable seal is fixed on base, design ingenious, simple for structure, good fixing effect, and easy to use.
(6) bottom of the base of solar junction box of the present invention is provided with heat dissipation wind channel, fin, louvre, and peripheral panels is provided with the heat radiation through hole identical with louvre, makes the radiating effect of solar junction box better.
(7) solar junction box of the present invention, by the improvement to upper cover and base edge, makes its effect that has increased clamping cable, more practical.
(8) nut of the solidus assembly of solar junction box of the present invention is provided with locking tooth, and the threaded connection place of base is provided with retaining muscle, and both have formed ratchet self-locking mechanism jointly, makes fixing effect more, is not easy to get loose.When the retaining muscle on same threaded connection place has 2, and 2 retaining muscle are not to the distance of the axis in the cross section of the post that is threaded etc., 2 retaining muscle are less than or equal to 1/2 o'clock of spacing of the crown of two the adjacent locking tooths on the nut of corresponding connector assembly to the absolute value of the range difference of the axis in the cross section of the post that is threaded, can solve the excessive problem in nut angle of revolution, nut turns over less angle can carry out self-locking.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of solar junction box of the present invention while observing from front;
Fig. 2 is that the solar junction box in Fig. 1 removes the structural representation while observation from the back side after upper cover;
Fig. 3 is the stereo decomposing structural representation of the solar junction box in Fig. 1;
Fig. 4 is the schematic perspective view of the base in Fig. 3;
Fig. 5 is terminal assemblies in Fig. 3 and the schematic perspective view of diode;
Fig. 6 is the schematic perspective view of the terminal briquetting in Fig. 3;
Fig. 7 is that the solar junction box in Fig. 1 removes the structural representation while observation from front after upper cover;
Fig. 8 is the A-A face cutaway view of the solidus assembly in Fig. 7;
Fig. 9 is the solidus assembly cutaway view at B place in Fig. 7;
Figure 10 is the use view of the solar junction box in Fig. 1.
The mark of above-mentioned accompanying drawing is as follows:
Base 1, substrate 11, peripheral plate 11-1, middle part plate body 11-2, strip hole 11-3, fin 11-4, heat dissipation wind channel 11-5, heat radiation through hole 11-6, air-vent 11-7, peripheral panels 12, heat radiation through hole 12-1, draw-in groove portion 13, fixed leg 13-1, cross plate 13-2, limiting plate 13-3, barrier plate 13-4, Access Division 14, the post 15 that is threaded, front shell of column 15a, rear shell of column 15b, the left side post 15-1 that is threaded, the right side post 15-2 that is threaded, retaining muscle 15-3
Upper cover 2, upper cover main body 21, groove 21-1, clamping button 22, left protuberance 23, right protuberance 24,
Terminal assemblies 3, the first terminal 31, the first cell body 31-1, the second cell body 31-2, the 3rd cell body 31-3, the 4th cell body 31-4, front connecting plate 31-5, the second terminal 32, the first cell body 32-1, the second cell body 32-2, the 3rd cell body 32-3, the 4th cell body 32-4, the 3rd terminal 33, the first cell body 33-1, the second cell body 33-2, the 3rd cell body 33-3, the 4th cell body 33-4, the 4th terminal 34, the first cell body 34-1, the second cell body 34-2, the 3rd cell body 34-3, the 4th cell body 34-4, front connecting plate 34-5, left side crimp head 35, right side crimp head 36, spring 37, connecting hole 38,
Diode 4, the first stamp-mounting-paper diode 41, the second stamp-mounting-paper diode 42, the three stamp-mounting-paper diodes 43,
Terminal briquetting 5, position-limited rack 51, butt hook 52, fixing hole 53, upper cover sealing ring 61, ventilated membrane 62,
Solidus assembly 7, sealing ring 71, stops a 71-1, sealing shroud 71-2, line pawl 72, solidus piece 72-1, leading portion 72-1-1, lateral surface 72-1-1a, back segment 72-1-2, annular slab 72-2, nut 73, the 73-1 of ratchet portion, locking tooth 73-2, threaded portion 73-3, tightens up the 73-4 of portion, spherical zone face 73-5
Cable 8, connector 9, anodal connector 91, negative pole connector 92.
Embodiment
In the specific embodiment of the present invention, the description in orientation is carried out according to orientation shown in Fig. 3, wherein, a side at base 1 place is rear side, and a side at connector 9 places is front side, one side at positive connector 91 places is left side, and a side at negative connector 92 places is right side.
(embodiment 1)
See Fig. 1 to Fig. 4, the solar junction box of the present embodiment comprises base 1, upper cover 2, terminal assemblies 3, diode 4, terminal briquetting 5, upper cover sealing ring 61, ventilated membrane 62 and connector assembly.Connector assembly has 2, is divided into left connector assembly and right connector assembly, and left connector assembly and right connector assembly include solidus assembly 7, cable 8 and connector 9 separately.
See Fig. 3 and Fig. 4, base 1 is integrated through injection molding part.Base 1 comprises substrate 11, peripheral panels 12, draw-in groove portion 13, Access Division 14 and the post 15 that is threaded.
See Fig. 4, the peripheral panels 12 vertical settings of base 1, be connected to substrate 11 from top, outer end, left side, outer end, right side and the rear side outer end of substrate 11 is all positioned at the outside in peripheral panels 12 region that surrounds, thereby the position in the outside that is positioned at peripheral panels 12 of substrate 11 is peripheral plate 11-1, the position being surrounded by peripheral panels 12 of substrate 11 is intermediate plate.The periphery of the peripheral plate 11-1 of substrate 11 is totally the periphery of the rectangle with fillet.The intermediate plate of substrate 11 comprises horizontally disposed anterior plate body, middle part plate body 11-2 and rear portion plate body, and the periphery plate body 11-1 of substrate 11, the anterior plate body of intermediate plate and the back panel body of intermediate plate are positioned in same plane, the middle part plate body 11-2 of intermediate plate is higher than anterior plate body and rear portion plate body, the front connecting plate being arranged by vertical between anterior plate body and middle part plate body 11-2 is connected, and the rear connecting plate being arranged by vertical between rear portion plate body and middle part plate body 11-2 is connected.The substrate 11 therebetween rear portion plate body of plate is provided with the through hole of upward and downward, and this through hole is along left and right to the strip hole 11-3 arranging.The substrate 11 therebetween middle part plate body 11-2 of plate is provided with the fin 11-4 arranging to vertical along left and right on the downside that is connected to middle part plate body 11-2, fin 11-4 has 2 to 6 rows (the present embodiment is 4 rows), 2 to 6 of every rows (the present embodiment is 4), thus the front connecting plate of the intermediate plate of substrate 11 and between front-seat fin 11-4, between the adjacent fin 11-4 in front and back and between the fin 11-4 rear row and the rear connecting plate of intermediate plate, form left and right to heat dissipation wind channel 11-5.Substrate 11 therebetween four bights of the middle part plate body 11-2 of plate is respectively provided with the heat radiation through hole 11-6 of a upward and downward, peripheral panels 12 be respectively provided with a corresponding heat radiation through hole 12-1 with adjoining position, four bights of middle part plate body 11-2, each heat radiation through hole 12-1 of peripheral panels 12 communicates with the corresponding heat radiation through hole 11-6 of substrate 11, thereby has formed 4 heat radiation air ports of substrate 11.Substrate 11 also therebetween the right part of the middle part plate body 11-2 of plate be provided with air-vent 11-7, ventilated membrane 62 is pasted and fixed on the air-vent 11-7 of substrate 11 from below.
Peripheral panels 12 is end to end and form successively by header board section, left plate section, rear plate section and right panel section.The post 15 that is threaded has 2, and a point left and right is connected to the header board section of peripheral panels 12 from front, thereby is divided into left side post 15-1 and the right side post 15-2 that is threaded that is threaded; 2 posts 15 that are threaded are open tubular column, and the centre bore of the post 15 that is threaded connects the header board section of peripheral panels 12 backward, and the anterior shell of column of the post 15 that is threaded is provided with external screw thread.
The Access Division 14 of base 1 has 4, is all arranged on peripheral panels 12 outsides, and is respectively provided with 1 Access Division 14 at the sagittal middle part of the left plate section of peripheral panels 12, sagittal middle part, the left part of header board section and the right part of header board section of right panel section.
2 rows before and after the draw-in groove portion 13 of base 1 comprises, the native font plate 13-2 that 4 of every rows set gradually from left to right, the termination of the riser of each front-seat native font plate 13-2 is towards front, the termination of the riser of each native font plate 13-2 of rear row is towards rear, and each native font plate 13-2 is all connected to the middle part plate body 11-2 of intermediate plate of substrate 11 from top; Draw-in groove portion 13 also comprises the fixed leg 13-1 that 8 verticals arrange, and each fixed leg 13-1 is connected to the center of a corresponding native font plate 13-2 from top; Draw-in groove portion 13 also comprises the limiting plate 13-3 of the rear end of each riser of the native font plate 13-2 that is connected to rear row, and be positioned at limiting plate 13-3 rear side 1 row 4 barrier plate 13-4 that set gradually from left to right, limiting plate 13-3 and each barrier plate 13-3 are all connected to the middle part plate body 11-2 of intermediate plate of substrate 11 from top.
See Fig. 5, terminal assemblies 3 comprises 4 terminals, left side crimp head 35,36 and 4 springs 37 of right side crimp head.4 terminals are arranged successively according to order from left to right, and are called successively the first terminal 31, the second terminal 32, the 3rd terminal 33 and the 4th terminal 34.4 terminals are the electrical connector made of copper of bending structure.Each terminal is bent into cell body position and 2 cell body positions that Open Side Down of spaced 2 opening upwards according to direction from back to front, these 4 cell body positions are according to being called successively the first cell body, the second cell body, the 3rd cell body and the 4th cell body from rear extremely front order.Wherein, all upwards, the second cell body of each terminal and the opening of the 4th cell body are all downward for the first cell body of each terminal and the opening of the 3rd cell body.Terminal assemblies 3 is equipped with 1 connecting hole 38 on the second cell body of each terminal and the top board of the 4th cell body.The first terminal 31 is also provided with the front connecting plate 31-5 of the lower end of the horizontally disposed front side board that is connected to the 4th cell body 31-4.The 4th terminal 34 is also provided with the front connecting plate 34-5 of the lower end of the horizontally disposed front side board that is connected to the 4th cell body 34-4.
The spring 37 of terminal assemblies 3 has 4, and each spring 37 is copper plates spring.Each copper plates spring 37 is arranged in the first cell body of a corresponding terminal, for jointly clamping relevant wire with the first cell body of each terminal.
Diode 4 has 3, and 3 diodes 4 are stamp-mounting-paper diode, and 4 points of left and right of each stamp-mounting-paper diode set gradually, and is called successively the first stamp-mounting-paper diode 41, the second stamp-mounting-paper diode 42 and the 3rd stamp-mounting-paper diode 43.The first stamp-mounting-paper diode 41 is connected electrically between the 3rd cell body 31-3 of the first terminal 31 and the 3rd cell body 32-3 of the second terminal 32, and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body 31-3 of the first terminal 31 and the base plate of the 3rd cell body 32-3 of the second terminal 32 by the electrical connection section of its bottom.The second stamp-mounting-paper diode 42 is connected electrically between the 3rd cell body 32-3 of the second terminal 32 and the 3rd cell body 33-3 of the 3rd terminal 33, and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body 32-3 of the second terminal 32 and the base plate of the 3rd cell body 33-3 of the 3rd terminal 33 by the electrical connection section of its bottom.The 3rd stamp-mounting-paper diode 43 is connected electrically between the 3rd cell body 33-3 of the 3rd terminal 33 and the 3rd cell body 34-3 of the 4th terminal 34, and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body 33-3 of the 3rd terminal 33 and the base plate of the 3rd cell body 34-3 of the 4th terminal 34 by the electrical connection section of its bottom.
The left side crimp head 35 of terminal assemblies 3 and right side crimp head 36 are the copper integral piece of shell-like, all have the linear slit of walking of up/down perforation on the upside plate body of left side crimp head 35 and right side crimp head 36.Left side crimp head 35 is connected as a single entity by the front end of the front connecting plate 31-5 of its rear end and the first terminal 31, and right side crimp head 36 is connected as a single entity by the front end of the front connecting plate 34-5 of its rear end and the 4th terminal 34.
The first cell body 31-1 of each terminal of terminal assemblies 3,32-1,33-1,34-1 intercalation are between corresponding 1 barrier plate 13-3 and limiting plate 13-3, and the 3rd cell body 31-3 of each terminal of terminal assemblies 3,32-3,33-3,34-3 intercalation are between corresponding 1 native font plate 13-2 of rear row and front-seat corresponding 1 native font plate 13-2.It is upper that each connecting hole 38 on the second cell body 31-2,32-2,33-2,34-2 and the 4th cell body 31-4 of terminal assemblies 3,32-4,33-4,34-4 is enclosed within 1 corresponding fixed leg 13-1 of draw-in groove portion 13 of base 1, and the upper end of each fixed leg 13-1 protrudes upward the top board of the corresponding cell body of each terminal.
See Fig. 6, terminal briquetting 5 is integrated through injection molding part, and terminal briquetting 5 comprises the butt hook 52 that is positioned at anterior position-limited rack 51 and is positioned at rear portion.Butt hook 52 has 2, and a point left and right arranges, and butt hook 52 hooks the draw-in groove portion 13 of base 1 from top.Terminal briquetting 5 is provided with and connects that arrange upper and lower front and back 2,4 fixing holes 53 of every row on its position-limited rack 51, and terminal briquetting 5 is contacted by the upper side of the downside of its position-limited rack 51 and the second cell body of each terminal of terminal assemblies 3 and the top board of the 4th cell body.Terminal briquetting 5 is enclosed within on the upper end of corresponding 1 fixed leg 13-1 of the draw-in groove portion 13 of base 1 by its each fixing hole 53, and each fixed leg 13-1 is fixed together by the position-limited rack 51 of hot melt and terminal briquetting 5.
See Fig. 3, Fig. 5 and Fig. 6, solidus assembly 7 comprises sealing ring 71, line pawl 72 and nut 73.Line pawl 72 and nut 73 are integrated through injection molding part.Connector 9 adopts MC4 type connector, and connector 9 comprises the anodal connector 91 that belongs to left connector assembly and the negative pole connector 92 that belongs to right connector assembly.Cable 8 has 2, and 1 belongs to left connector assembly, and another 1 belongs to right connector assembly.
See Fig. 8 and Fig. 9, nut 73 is made up of the 73-1 of ratchet portion, the threaded portion 73-3 and the portion 73-4 of tightening up that are connected successively from back to front.The inner chamber of the 73-1 of ratchet portion of nut 73 is cylindrical, its inner diameter D is 17.825mm, the inwall of the 73-1 of ratchet portion of nut 73 is provided with and is arranged in the locking tooth 73-2 that 40 an of circle are an angle of 90 degrees, and the minimum angle α of the inner peripheral surface of each locking tooth 73-2 and the 73-1 of ratchet portion is 30 degree.The left side of base 1 post 15-1 and the right side post 15-2 that is threaded that is threaded is provided with 2 retaining muscle 15-3 at the rear side position that is positioned at front end separately respectively.Left side the be threaded 2 retaining muscle 15-3 separately of post 15-2 of post 15-1 and right side that are threaded are all stretched by the tangential direction of the outer circumference surface of the post 15 that is threaded accordingly along clockwise direction, and with 2 retaining muscle 15-3 of 1 post 15 that is threaded setting that is centrosymmetric.Locking tooth 73-2 on the nut 73 of connector assembly is the parts that match with the retaining muscle 15-3 being threaded accordingly on post 15, and both have formed ratchet self-locking mechanism jointly.
See Fig. 8, the left side of base 1 is threaded 2 retaining muscle 15-3 separately that post 15-1 and right side be threaded on post 15-2 to the distance d1 of the axis Y in the cross section of the post 15 that is threaded and d2 not etc., the absolute value of the difference of d1 and d2 equal the crown of two the adjacent locking tooth 73-2 on the nut 73 of corresponding connector assembly distance s 1/2.
The inwall of the threaded portion 73-3 of nut 73 is provided with columniform internal thread, and external screw thread on the front end of this internal thread and the post 15 that is threaded matches.The surface of internal cavity of the 73-4 of the portion of tightening up of nut 73 is totally rear large front little spherical zone face 73-5.
Sealing ring 71 is rubber integral piece, by be positioned at rear portion annulus cylindricality (referring to stretch taking the face of annular the body obtaining as benchmark along central axial direction) stop a 71-1 and be connected to from front the annulus cylindricality stopping a 71-1 sealing shroud 71-2 form, the internal diameter that stops a 71-1 is identical with the internal diameter of sealing shroud 71-2, and the radial thickness that stops a 71-1 is 2 times of radial thickness of sealing shroud 71-2.Stop that the internal diameter of a 71-1 and the internal diameter of sealing shroud 71-2 are also the internal diameter of sealing ring 71, the internal diameter of sealing ring 71 is slightly larger than the external diameter (large 1 millimeter of the present embodiment) of cable 8.
Line pawl 72 is made up of annular slab 72-2 and 3 to 8 (the present embodiment is 8) solidus piece 72-1 of annulus cylindricality.8 solidus piece 72-1 are connected to annular slab 72-2 from front around the corresponding site of the circumference of annular slab 72-2 successively by afterbody separately, each solidus piece 72-1 belongs to a part for an imaginary cylindrical shell, the circumferential both sides of each solidus piece 72-1 all equate with respect to the angle of the central axis of line pawl 72, and the week between adjacent solidus piece 72-1, interval upwards also all equated with respect to the corresponding radian of central axis of line pawl 72, and each solidus piece 72-1 is because the difference of radial thickness is divided into 2 sections of front and back, the radially inner side face of the back segment 72-1-2 of each solidus piece 72-1 and the radially inner side face of annular slab 72-2 are positioned on same columniform side, the radial thickness of the back segment 72-1-2 of each solidus piece 72-1 is 2 times of radial thickness of annular slab 72-2, the internal diameter of the leading portion 72-1-1 of each solidus piece 72-1 is less than the internal diameter of back segment 72-1-2, and the internal diameter of described leading portion 72-1-1 is slightly larger than the internal diameter (large 2 millimeters of the present embodiment) of sealing ring 71.The radial outer side 72-1-1a of the leading portion 72-1-1 of each solidus piece 72-1 belongs to the imaginary rear part of little frustum cone side before large, and the diameter to the corresponding site of the diameter of each point and the spherical zone face 73-5 of nut 73 along front and back of this frustum cone side is corresponding.The axial length sum of the back segment 72-1-2 of the axial length of the annular slab 72-2 of line pawl 72 and solidus piece 72-1 equates with the axial length of the sealing shroud 71-2 of sealing ring 71, and the radial thickness sum of the back segment 72-1-2 of the solidus piece 72-1 of the radial thickness of the sealing shroud 71-2 of sealing ring 71 and line pawl 72 is greater than 1 millimeter of the maximum radial wall thickness of the leading portion 72-1-1 of solidus piece 72-1.
The anterior shell of column of each post 15 that is threaded is divided into the front shell of column 15a that is positioned at front side and the rear shell of column 15b that is positioned at rear side, the external diameter of described anterior shell of column is all identical, the internal diameter of the rear shell of column 15b of described anterior shell of column is identical with the internal diameter at all the other positions of the post 15 that is threaded, the internal diameter of the front shell of column 15a of described anterior shell of column is greater than rear shell of column 15b, and the radial thickness of the rear shell of column 15b of described anterior shell of column is about 2 times of radial thickness of front shell of column 15a, thereby form the inside breach of the anterior shell of column that is positioned at the post 15 that is threaded, also the post 15 that is threaded is provided with inner breach at the front shell of column 15a position (or claiming front end position) of its anterior shell of column along interior Zhou Fangxiang.The medial surface of the rear shell of column 15b of described anterior shell of column is the round table surface being increased gradually by backward front internal diameter.The internal diameter of the front end of the rear shell of column 15b of described anterior shell of column is greater than 1.6 millimeters of the internal diameters of sealing ring 71, and the internal diameter of the rear end of the rear shell of column 15b of anterior shell of column is identical with the internal diameter of sealing ring 71.
The rear end of the cable 8 of left connector assembly is passed nut 73, line pawl 72 and the sealing ring 71 of the solidus assembly 7 of left connector assembly from front to back successively, be threaded after post 15-1 through the left side of base 1 again, stretch in base 1, in the clamped left side crimp head 35 that is fixed on terminal assemblies 3 of its conductor, its front end is connected with anodal connector 91.The rear end of the cable 8 of right connector assembly is passed nut 73, line pawl 72 and the sealing ring 71 of the solidus assembly 7 of right connector assembly from front to back successively, be threaded after post 15-2 through the right side of base 1 again, stretch in base 1, in the clamped right side crimp head 36 that is fixed on terminal assemblies 3 of its conductor, its front end is connected with negative pole connector 92.In the connection of above-mentioned left and right connector assembly, sealing ring 71 stops that by it 71-1 stretches in the front shell of column 15a of anterior shell of column of the post 15 that is threaded accordingly, also stretch in the inside breach of anterior shell of column, and stop that the rear surface of a 71-1 contacts with the surface towards front side of the post 15 that is threaded; The postmedian of each line pawl 72 is enclosed within on sealing ring 71, also the radially inner side face that is the radially inner side face of annular slab 72-2 of line pawl 72 and the back segment 72-1-2 of each solidus piece 72-1 of line pawl 72 contacts with the radial outer side of the sealing shroud 71-2 of sealing ring 71 simultaneously, and the leading flank of the annular slab 72-2 of line pawl 72 and the trailing flank that stops a 71-1 of sealing ring 71 contact; The radially inner side face of front shell of column 15a of post 15 of being threaded contacts with the radial outer side of the radial outer side that stops a 71-1 of sealing ring 71 and the annular slab 72-2 of line pawl 72 simultaneously; Nut 73 is screwed on the external screw thread of the front shell of column of the post 15 that is threaded accordingly by its threaded portion 73-3, and the corresponding site that nut 73 also tightens up the radial outer side 72-1-1a of the corresponding site of radially inner side face of the 73-4 of portion and the leading portion 72-1-1 of each solidus piece 72-1 of line pawl 72 by it contacts.
In the time of fastening nut 73, each solidus piece 72-1 that the spherical zone face 73-5 of the 73-4 of the portion of tightening up of nut 73 promotes line pawl 72 draws in to centre and from outside to inside each solidus piece 72-1 of line pawl 72 is compressed, again by each solidus piece 72-1 press seal circle 71 from outside to inside of line pawl 72, and then sealing ring 71 compresses cable 8 again, thereby cable 8 sealings are fixed on base 1.
See Fig. 1, Fig. 3 and Fig. 7, upper cover 2 is integrated through injection molding part.Upper cover 2 comprises upper cover main body 21, clamping button 22, left protuberance 23 and right protuberance 24.Left protuberance 23 is positioned at upper cover 2 left sides, and right protuberance 24 is positioned at upper cover 2 right sides.Clamping button 22 has 4, all be arranged on the outside of upper cover main body 21, and left side, right side, the left part of front side and the right part of front side in upper cover main body 21 are respectively provided with 1 clamping button 22, and each clamping button 22 is corresponding with the position of corresponding 1 Access Division 14 of base 1.The bottom of upper cover main body 21 is along the groove 21-1(Fig. 3 that is circumferentially with a circle outward opening).Upper cover sealing ring 61 is silicone rubber O-ring.Upper cover sealing ring 61 inlay cards are in groove 21-1.The clamping button 22 of upper cover 2 is connected in corresponding 1 Access Division 14 of base 1, thereby upper cover 2 sealings are fixed on base 1.The left-hand portion of the periphery plate body 11-1 of the left protuberance 23 of upper cover 2 and substrate 11 has formed the position of the cable 8 that clamps left connector assembly jointly.The position, right side of the periphery plate body 11-1 of the right protuberance 24 of upper cover 2 and substrate 11 has formed the position of the cable 8 that clamps right connector assembly jointly.
Claims (10)
1. a solar junction box, is characterized in that: comprise base (1), upper cover (2), terminal assemblies (3), diode (4), terminal briquetting (5) and connector assembly;
Base (1) is integrated through injection molding part; Base (1) comprises substrate (11), peripheral panels (12), draw-in groove portion (13) and the post that is threaded (15); Peripheral panels (12) the vertical setting of base (1), is connected to substrate (11) from top, and the position being surrounded by peripheral panels (12) of substrate (11) is intermediate plate; Substrate (11) the therebetween rear portion of plate is provided with along left and right to the strip hole (11-3) arranging; Peripheral panels (12) is end to end and form successively by header board section, left plate section, rear plate section and right panel section; The post (15) that is threaded has 2, and a point left and right is connected to the header board section of peripheral panels (12) from front, thereby is divided into left side post (15-1) and the right side post (15-2) that is threaded that is threaded; 2 posts that are threaded (15) are open tubular column, and the centre bore of the post that is threaded (15) connects the header board section of peripheral panels (12) backward, and the anterior shell of column of the post that is threaded (15) is provided with external screw thread; 2 rows, 4 mount pads that set gradually from left to right of every row (13-2) before and after the draw-in groove portion (13) of base (1) comprises, each mount pad (13-2) is all connected to the sagittal middle part of the intermediate plate of substrate (11) from top; Draw-in groove portion (13) also comprises the fixed leg (13-1) that 8 verticals arrange, and each fixed leg (13-1) is connected to a corresponding mount pad (13-2) from top;
Terminal assemblies (3) comprises 4 terminals, left side crimp head (35) and right side crimp head (36); 4 terminals are arranged successively according to order from left to right, and be called the first terminal successively (31), the second terminal (32), the 3rd terminal (33) and the 4th terminal (34); 4 terminals are the electrical connector made of copper of bending structure; Left side crimp head (35) is connected as a single entity with the front end of the first terminal (31), and right side crimp head (36) is connected as a single entity with the front end of the 4th terminal (34); Each terminal is bent into cell body position and 2 cell body positions that Open Side Down of spaced 2 opening upwards according to direction from back to front, these 4 cell body positions are according to being called successively the first cell body, the second cell body, the 3rd cell body and the 4th cell body from rear extremely front order; Wherein, all upwards, the second cell body of each terminal and the opening of the 4th cell body are all downward for the first cell body of each terminal and the opening of the 3rd cell body; Terminal assemblies 3 is equipped with 1 connecting hole (38) on the second cell body of each terminal and the top board of the 4th cell body;
Diode (4) has 3, and 3 diodes (4) are stamp-mounting-paper diode, and each stamp-mounting-paper diode (4) point left and right sets gradually, and is called successively the first stamp-mounting-paper diode (41), the second stamp-mounting-paper diode (42) and the 3rd stamp-mounting-paper diode (43); The first stamp-mounting-paper diode (41) is connected electrically between the first terminal (31) and the second terminal (32), the second stamp-mounting-paper diode (42) is connected electrically between the second terminal (32) and the 3rd terminal (33), and the 3rd stamp-mounting-paper diode (43) is connected electrically between the 3rd terminal (33) and the 4th terminal (34);
Each connecting hole (38) of terminal assemblies (3) is enclosed within on corresponding 1 fixed leg (13-1) of draw-in groove portion (13) of base (1), and the upper end of each fixed leg (13-1) protrudes upward;
Terminal briquetting (5) is integrated through injection molding part, and terminal briquetting (5) comprises the butt hook (52) that is positioned at anterior position-limited rack (51) and is positioned at rear portion; Butt hook (52) hooks the draw-in groove portion (13) of base (1) from top; Terminal briquetting (5) is provided with and connects that arrange upper and lower front and back 2,4 of every rows' fixing hole (53) on its position-limited rack (51), and terminal briquetting (5) is contacted with the upper side of the second cell body of each terminal of terminal assemblies (3) and the top board of the 4th cell body by the downside of its position-limited rack (51); Terminal briquetting (5) is enclosed within by its each fixing hole (53) on the upper end of corresponding 1 fixed leg (13-1) of the draw-in groove portion (13) of base (1), and each fixed leg (13-1) is fixed together with the position-limited rack (51) of terminal briquetting (5);
Connector assembly has 2, is divided into left connector assembly and right connector assembly; Left connector assembly and the left side of base (1) the removable screw thread of post (15-1) that is threaded is fixedly connected with, and right connector assembly and the right side of base (1) the removable screw thread of post (15-2) that is threaded is fixedly connected with;
Upper cover (2) is integrated through injection molding part, upper cover (2) and base (1) removable being fixed together each other.
2. according to solar junction box claimed in claim 1, it is characterized in that: described left connector assembly and right connector assembly include solidus assembly (7), cable (8) and connector (9) separately; Solidus assembly (7) comprises sealing ring (71), line pawl (72) and nut (73); Nut (73) comprises threaded portion (73-3) and is connected to the portion of tightening up (73-4) of front side, threaded portion (73-3); Connector (9) comprises the anodal connector (91) that belongs to left connector assembly and the negative pole connector (92) that belongs to right connector assembly; The post (15) that is respectively threaded is provided with inner breach at the front end position of its anterior shell of column along interior Zhou Fangxiang; Cable (8) has 2, and 1 belongs to left connector assembly, and another 1 belongs to right connector assembly; The rear end of the cable (8) of left connector assembly is passed nut (73), line pawl (72) and the sealing ring (71) of the solidus assembly (7) of left connector assembly from front to back successively, again through the left side of base (1) post (15-1) that is threaded, stretch in base (1), its conductor is fixed in the left side crimp head (35) of terminal assemblies (3), and its front end is connected with anodal connector (91); The rear end of the cable (8) of right connector assembly is passed nut (73), line pawl (72) and the sealing ring (71) of the solidus assembly (7) of right connector assembly from front to back successively, again through the right side of base (1) post (15-2) that is threaded, stretch in base (1), its conductor is fixed in the right side crimp head (36) of terminal assemblies (3), and its front end is connected with negative pole connector (92); The line pawl (72) of each solidus assembly (7) is enclosed within tight seal (71), closely the rear portion of seal (71) and line pawl (72) is stretched in the inside breach of anterior shell of column of the post (15) that is threaded accordingly, nut (73) is screwed on the anterior shell of column of post (15) that is threaded accordingly by its threaded portion (73-3), and the anterior outside of tightening up the corresponding site of portion (73-4) and line pawl (72) by it contacts; Screw from front to back nut (73) post (15) that makes to be threaded accordingly and compress from outside to inside line pawl (72), press seal circle (71) from outside to inside of line pawl (72), sealing ring (71) compresses corresponding cable (8) from outside to inside, thereby cable (8) sealing is fixed on base (1).
3. according to solar junction box claimed in claim 2, it is characterized in that: also comprise upper cover sealing ring (61); The bottom of the upper cover main body (21) of described upper cover (2) is along the groove (21-1) that is circumferentially with a circle outward opening; Upper cover sealing ring (61) inlay card is in groove (21-1); Base (1) also comprises Access Division (14), and the quantity of Access Division (14) is 3 to 6; Upper cover (2) comprises upper cover main body (21) and clamping button (22); The quantity of clamping button (22) is identical with the quantity of the Access Division (14) of base (1); Each clamping button (22) is all arranged on the outside of upper cover main body (21), and each clamping button (22) is corresponding with the position of corresponding 1 Access Division (14) of base (1); On removable corresponding 1 Access Division (14) that is fixed on base (1) of clamping button (22) of upper cover (2), thereby the removable clamping sealing of upper cover (2) is fixed on base (1).
4. according to solar junction box claimed in claim 3, it is characterized in that: the intermediate plate of described substrate (11) comprises horizontally disposed anterior plate body, middle part plate body (11-2) and rear portion plate body, and the periphery plate body (11-1) of substrate (11), the anterior plate body of intermediate plate and the back panel body of intermediate plate are positioned in same plane, the middle part plate body (11-2) of intermediate plate is higher than anterior plate body and rear portion plate body, the front connecting plate being arranged by vertical between anterior plate body and middle part plate body (11-2) is connected, the rear connecting plate being arranged by vertical between rear portion plate body and middle part plate body (11-2) is connected, described substrate (11) the therebetween middle part plate body (11-2) of plate is provided with the fin (11-4) arranging to vertical along left and right on the downside that is connected to middle part plate body (11-2), fin (11-4) has 2 to 6 rows, 2 to 6 of every rows, thus at the front connecting plate of the intermediate plate of substrate (11) and about being positioned between front-seat fin (11-4), forming between the fin (11-4) of row between the adjacent fin in front and back (11-4) and after being positioned at and the rear connecting plate of intermediate plate to heat dissipation wind channel (11-5), substrate (11) therebetween four bights of the middle part plate body (11-2) of plate is respectively provided with the heat radiation through hole (11-6) of a upward and downward, peripheral panels (12) be respectively provided with a corresponding heat radiation through hole (12-1) with adjoining position, four bights of middle part plate body (11-2), each heat radiation through hole (12-1) of peripheral panels (12) communicates with the corresponding heat radiation through hole (11-6) of substrate (11), thereby has formed 4 heat radiation air ports of substrate (11).
5. according to solar junction box claimed in claim 4, it is characterized in that: also comprise ventilated membrane (62); Described substrate (11) also therebetween the right part of the middle part plate body (11-2) of plate be provided with air-vent (11-7), ventilated membrane (62) is pasted and fixed on the air-vent (11-7) of substrate (11) from below.
6. according to solar junction box claimed in claim 5, it is characterized in that: described upper cover (2) also comprises left protuberance (23) and right protuberance (24), left protuberance (23) is positioned at upper cover (2) left side, and right protuberance (24) is positioned at upper cover (2) right side; Outer end, left side, outer end, right side and the rear side outer end of described substrate (11) is all positioned at the outside in peripheral panels (12) region that surrounds, thereby the position in the outside that is positioned at peripheral panels (12) of substrate (11) is peripheral plate (11-1); The left-hand portion of the left protuberance (23) of upper cover (2) and the periphery plate body (11-1) of substrate (11) has formed the position of the cable (8) that clamps left connector assembly jointly; The position, right side of the right protuberance (24) of upper cover (2) and the periphery plate body (11-1) of substrate (11) has formed the position of the cable (8) that clamps right connector assembly jointly.
7. according to solar junction box claimed in claim 2, it is characterized in that: the nut (73) of described connector assembly also comprises ratchet portion (73-1), be also nut (73) by the ratchet portion (73-1) being connected successively from back to front, threaded portion (73-3) and tighten up portion (73-4) and form; The inner chamber of the ratchet portion (73-1) of nut (73) is cylindrical, its inner diameter D is 10mm to 25mm, the inwall of the ratchet portion (73-1) of nut (73) is provided with 25 to 45 locking tooths (73-2) that are arranged in a circle, and each locking tooth (73-2) is 15 degree to 35 degree with the minimum angle α of the inner peripheral surface of ratchet portion (73-1); The left side of described base (1) post (15-1) and the right side post (15-2) that is threaded that is threaded is provided with retaining muscle (15-3) at the rear side position that is positioned at front end separately respectively; Be threaded post (15-1) and right side, left side is threaded the retaining muscle (15-3) separately of post (15-2) all along clockwise direction by the tangential direction stretching, extension of the outer circumference surface of the post that is threaded accordingly (15); Locking tooth (73-2) on the nut (73) of connector assembly is the parts that match with the retaining muscle (15-3) on the post that is threaded accordingly (15), and both have formed ratchet self-locking mechanism jointly; The inwall of the threaded portion (73-3) of nut (73) is provided with columniform internal thread, and external screw thread on the front end of this internal thread and the post that is threaded (15) matches;
Described line pawl (72) is made up of annular slab (72-2) and 3 to 8 solidus pieces (72-1) of annular, each solidus piece (72-1) is connected on annular slab (72-2) around the circumference of annular slab (72-2) successively by afterbody separately, each solidus piece (72-1) belongs to a part for an imaginary cylindrical shell, the both sides of each solidus piece (72-1) all equate with respect to the angle of the central axis of line pawl (72), and the interval between adjacent solidus piece (72-1) also all equates with respect to the corresponding radian of central axis of line pawl (72), and the lateral surface (72-1-1a) of the leading portion (72-1-1) of each solidus piece (72-1) belongs to a part for an imaginary frustum cone side, the surface of internal cavity of the portion of tightening up (73-4) of nut (73) is totally rear large front little spherical zone face (73-5), and this spherical zone face (73-5) is corresponding with the lateral surface (72-1-1a) of solidus piece (72-1).
8. according to solar junction box claimed in claim 7, it is characterized in that: be threaded post (15-1) and right side, the left side of described base (1) is threaded on post (15-2) and respectively has 2 retaining muscle (15-3), and with the setting that is centrosymmetric of 2 retaining muscle (15-3) of 1 post that is threaded (15), the 2 retaining muscle (15-3) separately that are threaded on post (15) are not to the distance d1 of the axis Y in the cross section of the post that is threaded (15) and d2 etc., the absolute value of the difference of d1 and d2 be less than or equal to the crown of adjacent two locking tooths (73-2) on the nut (73) of corresponding connector assembly distance s 1/2.
9. according to solar junction box claimed in claim 4, it is characterized in that: the mount pad (13-2) of described draw-in groove portion (13) is native font plate; The termination of the riser of each front-seat native font plate (13-2) is towards front, the termination of the riser of each native font plate (13-2) of rear row is towards rear, draw-in groove portion (13) also comprises the limiting plate (13-3) of the rear end of each riser of the native font plate (13-2) that is connected to rear row, and be positioned at limiting plate (13-3) rear side 1 row 4 barrier plates that set gradually from left to right (13-4), limiting plate (13-3) and each barrier plate (13-3) are all connected to the middle part plate body (11-2) of intermediate plate of substrate (11) from top;
The first terminal (31) is also provided with the front connecting plate (31-5) of the lower end of the horizontally disposed front side board that is connected to the 4th cell body (31-4); The 4th terminal (34) is also provided with the front connecting plate (34-5) of the lower end of the horizontally disposed front side board that is connected to the 4th cell body (34-4); Left side crimp head (35) is connected as a single entity by the front end of the front connecting plate (31-5) of its rear end and the first terminal (31), and right side crimp head (36) is connected as a single entity by the front end of the front connecting plate (34-5) of its rear end and the 4th terminal (34); The left side crimp head (35) of terminal assemblies (3) and right side crimp head (36) are the copper integral piece of shell-like, all have the linear slit of walking of up/down perforation on the upside plate body of left side crimp head (35) and right side crimp head (36);
The first stamp-mounting-paper diode (41) is connected electrically between the 3rd cell body (31-3) of the first terminal (31) and the 3rd cell body (32-3) of the second terminal (32), and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body (31-3) of the first terminal (31) and the base plate of the 3rd cell body (32-3) of the second terminal (32) by the electrical connection section of its bottom; The second stamp-mounting-paper diode (42) is connected electrically between the 3rd cell body (32-3) of the second terminal (32) and the 3rd cell body (33-3) of the 3rd terminal (33), and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body (32-3) of the second terminal (32) and the base plate of the 3rd cell body (33-3) of the 3rd terminal (33) by the electrical connection section of its bottom; The 3rd stamp-mounting-paper diode (43) is connected electrically between the 3rd cell body (33-3) of the 3rd terminal (33) and the 3rd cell body (34-3) of the 4th terminal (34), and is weldingly fixed on the upside left end of the upside right-hand member of base plate of the 3rd cell body (33-3) of the 3rd terminal (33) and the base plate of the 3rd cell body (34-3) of the 4th terminal (34) by the electrical connection section of its bottom;
First cell body (31-1) of each terminal of terminal assemblies (3), (32-1), (33-1), (34-1) intercalation are between corresponding 1 barrier plate (13-3) and limiting plate (13-3), and the 3rd cell body (31-3) of each terminal of terminal assemblies (3), (32-3), (33-3), (34-3) intercalation are between corresponding 1 native font plate (13-2) of rear row and front-seat corresponding 1 native font plate (13-2); It is upper that each connecting hole (38) on the second cell body (31-2), (32-2), (33-2), (34-2) and the 4th cell body (31-4) of terminal assemblies (3), (32-4), (33-4), (34-4) is enclosed within corresponding 1 fixed leg (13-1) of draw-in groove portion (13) of base (1), and the upper end of each fixed leg (13-1) protrudes upward the top board of the corresponding cell body of each terminal.
10. according to solar junction box claimed in claim 9, it is characterized in that: described terminal assemblies (3) also comprises spring (37); Spring (37) has 4, and each spring (37) is copper plates spring; Each copper plates spring (37) is arranged in the first cell body of a corresponding terminal, for jointly clamping relevant wire with the first cell body of each terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210174142.0A CN102664206B (en) | 2012-05-30 | 2012-05-30 | Solar junction box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174142.0A CN102664206B (en) | 2012-05-30 | 2012-05-30 | Solar junction box |
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| CN102664206A CN102664206A (en) | 2012-09-12 |
| CN102664206B true CN102664206B (en) | 2014-09-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103022194B (en) * | 2012-12-13 | 2015-05-20 | 浙江鑫辉光伏科技有限公司 | Photovoltaic junction box with high heat dissipating performance |
| CN107154544A (en) * | 2017-06-29 | 2017-09-12 | 安徽大恒能源科技有限公司 | A kind of magnetic quenching MC4 connectors for photovoltaic plant |
| CN109245712A (en) * | 2017-07-03 | 2019-01-18 | 北京信邦同安电子有限公司 | Solar components and its split type power optimization terminal box |
| CN108551323A (en) * | 2018-06-14 | 2018-09-18 | 合肥流明新能源科技有限公司 | A kind of fault detect solar battery connecting box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004021U (en) * | 2011-03-08 | 2011-10-05 | 莱尼电气线缆（常州）有限公司 | Solar junction box |
| CN202695485U (en) * | 2012-05-30 | 2013-01-23 | 莱尼电气线缆（常州）有限公司 | Solar energy junction box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130003307A1 (en) * | 2010-03-11 | 2013-01-03 | Hyung Suk Jang | Solar cell module junction box |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004021U (en) * | 2011-03-08 | 2011-10-05 | 莱尼电气线缆（常州）有限公司 | Solar junction box |
| CN202695485U (en) * | 2012-05-30 | 2013-01-23 | 莱尼电气线缆（常州）有限公司 | Solar energy junction box |
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Address after: 213022 No. 6 middle Yangtze Road, Xinbei District, Jiangsu, Changzhou Applicant after: Lenny electric wire & cable (China) Co., Ltd. Address before: 213022 No. 6 middle Yangtze Road, Xinbei District, Jiangsu, Changzhou Applicant before: Leoni Electronics Cable (Changzhou) Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: RHYNI ELECTRIC WIRES AND CABLES (CHANGZHOU) CO., LTD. TO: LEONI CABLE (CHINA) CO., LTD. |
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