CN112187170B - Photovoltaic module junction box and wiring method - Google Patents
Photovoltaic module junction box and wiring method Download PDFInfo
- Publication number
- CN112187170B CN112187170B CN202010865212.1A CN202010865212A CN112187170B CN 112187170 B CN112187170 B CN 112187170B CN 202010865212 A CN202010865212 A CN 202010865212A CN 112187170 B CN112187170 B CN 112187170B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box body
- blocks
- clamping
- photovoltaic module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 10
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/14—Fastening of cover or lid to box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic module junction box and a wiring method, belonging to the technical field of photovoltaic modules, the subject comprises a box body, wherein the lower inner wall of the box body is fixedly connected with a mounting plate through screws, the upper end of the mounting plate is fixedly connected with four conductive blocks, the left ends of the four conductive blocks are all fixedly connected with a left connecting sheet, the upper ends of the four left connecting sheets are all provided with clamping ports, the lower end of the box body is provided with four first connecting ports, the four first connecting ports are respectively corresponding to the four clamping ports, and the right ends of the four conductive blocks are all fixedly connected with a right connecting sheet, aiming at solving the problems that the prior art is easy to cause buckle breakage due to improper disassembly of the junction box, the junction box is difficult to assemble again, the buckle is easy to deform due to the junction box after repeated disassembly, the fastening and sealing effects of the junction box are influenced, cables outside the junction box are pulled by external force, and parts at the welding position inside the junction box are easy to break, thereby affecting the use of the terminal block.
Description
Technical Field
The invention belongs to the technical field of photovoltaic modules, and particularly relates to a photovoltaic module junction box and a wiring method.
Background
In the prior art, a photovoltaic module (also called a solar panel) is a core part in a solar power generation system and is also the most important part in the solar power generation system, and a single solar cell cannot be directly used as a power supply. As a power supply, a plurality of single batteries are connected in series and in parallel and tightly packaged into a module, and the module has the function of converting solar energy into electric energy and sending the electric energy to a storage battery for storage or pushing a load to work.
In the current photovoltaic module system, the connection between each photovoltaic module is generally realized through terminal box and connecting wire, because current terminal box most all utilizes the buckle to fix it, when carrying out the inside maintenance of terminal box, need take the terminal box apart, the terminal box utilizes the elasticity of buckle to dismantle the terminal box when dismantling, in case dismantle improperly, cause the buckle to burst apart easily, the terminal box is difficult to assemble once more, and the terminal box after dismantling many times causes the buckle to take place the deformation easily, thereby influence the fastening and the sealed effect of terminal box, because most inside parts of terminal box are fixed through the welded mode, outside cable is once dragged by external force, cause the fracture of inside welding department part of terminal box easily, thereby influence the use of terminal box.
Disclosure of Invention
The invention aims to provide a photovoltaic module junction box and a wiring method, and aims to solve the problems that in the prior art, due to improper disassembly of the junction box, a buckle is easy to break, the junction box is difficult to assemble again, the buckle is easy to deform after the junction box is disassembled for many times, the fastening and sealing effects of the junction box are influenced, and due to the fact that a cable outside the junction box is pulled by external force, parts at the welding position inside the junction box are easy to break, and the use of the junction box is influenced.
In order to achieve the purpose, the invention provides the following technical scheme:
the photovoltaic module junction box comprises a box body, wherein the lower inner wall of the box body (1) is fixedly connected with a mounting plate (2) through screws, the upper end of the mounting plate (2) is fixedly connected with four conductive blocks (3), the left ends of the four conductive blocks (3) are all fixedly connected with a left connecting sheet (4), the upper ends of the four left connecting sheets (4) are all provided with clamping ports (5), the lower end of the box body (1) is provided with four first connecting ports (6) in a chiseling mode, the four first connecting ports (6) are respectively corresponding to the four clamping ports (5), the right ends of the four conductive blocks (3) are all fixedly connected with a right connecting sheet (7), a group of diodes (8) is arranged between every two adjacent conductive blocks (3), the diodes (8) are provided with three groups, and the lower inner wall of the box body (1) is fixedly connected with a partition plate (9), the right end of the box body (1) is provided with two cables (10), the left ends of the two cables (10) sequentially penetrate through the right inner wall of the box body (1) and the separation plate (9), cable cores (11) are fixedly connected in the two cables (10), the left ends of the two cable cores (11) respectively penetrate through the left sides of the two cables (10), the two cable cores (11) are respectively contacted with two right connecting sheets (7) positioned on the front side and the rear side, the upper end of the box body (1) is provided with an upper cover (12), the front end and the rear end of the box body (1) are respectively provided with a group of fixing mechanisms, one group of fixing mechanisms comprise first clamping blocks (13), the first clamping blocks (13) are fixed at the front end of the box body (1), the front end of the upper cover (12) is fixedly connected with inserting blocks (131), and the inserting blocks (131) are inserted into the first clamping blocks (13), clamping grooves (132) are formed in the left end and the right end of the insert block (131), first telescopic rods (133) are fixedly connected to the left inner wall and the right inner wall of the first clamping block (13), springs (134) are sleeved on the surfaces of the two first telescopic rods (133), a second clamping block (135) is fixedly connected to one end, close to the two first telescopic rods (133), of the two first clamping blocks (135), the two second clamping blocks (135) are clamped in the two clamping grooves (132) respectively, sliding grooves (136) are formed in the front inner wall and the rear inner wall of the first clamping block (13), sliding blocks (137) are connected in the two sliding grooves (136) in a sliding mode, a push plate (138) is fixedly connected between the two sliding blocks (137), two connecting rods (139) are movably hinged to the upper end of the push plate (138) through hinge shafts, and two second clamping blocks (135) are movably hinged to the upper ends of the connecting rods (139) through hinge shafts respectively, the lower end of the push plate (138) is fixedly connected with a push rod (130), the lower end of the push rod (130) penetrates through the lower side of a first clamping block (13), a group of stabilizing mechanisms are arranged in the box body (1), each stabilizing mechanism comprises two fixing rods (14), the two fixing rods (14) are fixed on the lower inner wall of the box body (1), the two fixing rods (14) are located on the right side of the partition plate (9), the upper ends of the two fixing rods (14) are fixedly connected with sliding sleeves (141), sliding rods (142) are slidably connected in the two sliding sleeves (141), connecting rods (143) are movably hinged to the ends, close to each other, of the two sliding rods (142), pressing blocks (144) are movably hinged to the ends, close to each other, of the two connecting rods (143), connecting blocks (15) are fixedly connected to the lower end of the upper cover (12), and limiting grooves (16) are formed in the lower end of the connecting blocks (15), briquetting (144) are located spacing groove (16), two the equal fixedly connected with arc rand (146) of one end that slide bar (142) kept away from mutually, the equal fixedly connected with fixed block (147) of inner wall around box body (1), two arc draw-in groove (148) have all been seted up to the one end that fixed block (147) are close to mutually, two annular groove (149) are all dug on the surface of cable conductor (10), two annular groove (149) are located two arc draw-in grooves (148) respectively, two arc rand (146) block joint to in two annular grooves (149) respectively.
As a preferable scheme of the invention, a stabilizing strip (17) is fixedly connected to the lower inner wall of the box body (1), the stabilizing strip (17) is positioned at the lower sides of the four left connecting sheets (4), four second connecting ports (18) are chiseled at the upper end of the stabilizing strip (17), and the four second connecting ports (18) are respectively communicated with the four clamping ports (5) and the four first connecting ports (6).
As a preferable scheme of the invention, the upper end of the box body (1) is provided with a positioning groove (19) in a chiseled mode, the lower end of the upper cover (12) is fixedly connected with a sealing block (20), and the sealing block (20) is inserted into the positioning groove (19).
As a preferable scheme of the invention, the lower end of the upper cover (12) is fixedly connected with a sealing ring (21), and the sealing ring (21) is positioned at the joint of the box body (1) and the upper cover (12).
As a preferable scheme of the invention, two rear covers (22) are fixedly connected to the right end of the box body (1), the two cables (10) respectively penetrate through the two rear covers (22), fixing nuts (23) are rotatably connected to the surfaces of the two cables (10), and the two fixing nuts (23) are respectively in threaded connection with the two rear covers (22).
As a preferable scheme of the invention, a second telescopic rod (24) is fixedly connected to the lower inner wall of the box body (1), and the second telescopic rod (24) is positioned in a return spring (145).
As a preferable scheme of the invention, three groups of U-shaped fixing blocks (25) are fixedly connected to the lower inner wall of the box body (1), the three groups of U-shaped fixing blocks (25) respectively correspond to the three groups of diodes (8), and radiating fins (26) are inserted at the upper ends of the three groups of U-shaped fixing blocks (25).
As a preferred aspect of the present invention,
step S1: three groups of diodes (8) are respectively welded between two adjacent conductive blocks (3), then two cables (10) are respectively inserted into the box body (1) through two rear covers (22), the left ends of the two cables (10) penetrate through a partition plate (9) in the box body (1), two cable cores (11) in the two cables (10) are respectively contacted with two right connecting sheets (7) positioned on the front side and the rear side, and the two cable cores (11) are respectively fixed with the two right connecting sheets (7) in an electric welding mode;
step S2: the outgoing lines of the photovoltaic module correspond to the four first connecting ports (6) and are inserted into the four first connecting ports, the four outgoing lines of the photovoltaic module sequentially penetrate through the four second connecting ports (18) and the four clamping ports (5), then the outgoing lines of the photovoltaic module are bent, the four outgoing lines of the photovoltaic module are respectively contacted with the four left connecting pieces (4), and then the four outgoing lines and the four left connecting pieces (4) are welded one by one.
Compared with the prior art, the invention has the beneficial effects that:
1. in the scheme, the two insert blocks are inserted into the two first clamping blocks in a corresponding manner, so that the first clamping blocks are clamped into the clamping grooves to fix the insert blocks, the upper cover is fixed at the upper end of the box body to ensure the sealing property of the interior of the junction box, the first clamping blocks slide out of the clamping grooves by upwards pushing the two push rods, so that the two insert blocks can be pulled out of the two first clamping blocks to realize the disassembly of the upper cover, the disassembly of the upper cover is facilitated by upwards pushing the two push rods, the maintenance of the interior of the junction box is facilitated, when the junction box is installed, the upper cover can compress the pressing block downwards, the pressing block enables the two slide rods to respectively slide in the two sliding sleeves through the two connecting rods, the two slide rods move in a direction away from each other, the two slide rods respectively clamp the two arc-shaped clamping rings into the annular grooves on the two cables to realize the fixation of the two cables, so as to ensure the stability of the connection between the cable core and the internal parts of the box body, avoid dragging the cable conductor because of outside strength and cause the inside fracture that takes place of terminal box, the terminal box in this scheme, not only the installation with dismantle the convenience, when fixed with the terminal box through two sets of fixed establishment, firm mechanism makes two cable conductors fix to improve the stability of terminal box.
2. When the pressing block is compressed through the limiting groove at the lower end of the connecting block, the movement of the pressing block can be more stable, the lead wires of the photovoltaic module can be more stably inserted into the clamping port through the four second connecting ports in the stabilizing strip, the gap generated after the lead wires of the photovoltaic module are connected with the left connecting sheet is reduced, when the junction box is assembled, the sealing block is correspondingly inserted into the positioning groove, the upper cover is more stable when assembled, meanwhile, the sealing performance of the junction box can be improved after the positioning groove is connected with the sealing block, the sealing performance of the junction box can be further ensured through the sealing ring, the gap generated after the cable wires are inserted into the box body is reduced by respectively connecting the two fixing nuts to the right ends of the two rear covers in a threaded manner, the sealing performance of the junction box is improved, meanwhile, the two cable wires are more stable, the second telescopic rod is positioned in the reset spring, and can prevent the pressing block from deforming in the process of compressing the reset spring, can guarantee reset spring's stability through the second telescopic link, every U type fixed block of group is two, two U type fixed blocks of every group are located the left and right sides of every group diode respectively, three U type fixed blocks of group can fix a position the installation of mounting panel, improve the installation effect of mounting panel, three U type fixed blocks of group still can protect three diodes of group simultaneously, guarantee the stability of three diodes of group, the fin is pegged graft in three U type fixed blocks of group, the fin is located the upper end of four conducting blocks, can carry out effectual heat dissipation along with the inside of terminal box through the fin, thereby the life of extension terminal box.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an elevational view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a sectional top view of the present invention;
fig. 5 is a side cross-sectional view of the present invention.
In the figure: 1-box body; 2-mounting a plate; 3-a conductive block; 4-left connecting sheet; 5-a card interface; 6-a first connection port; 7-right connecting sheet; 8-a diode; 9-a partition plate; 10-a cable line; 11-a cable core; 12-upper cover; 13-a first latch; 131-an insert block; 132-a card slot; 133-a first telescoping rod; 134-a spring; 135-a second fixture block; 136-a chute; 137-a slider; 138-a push plate; 139-connecting rod; 130-a push rod; 14-a fixation rod; 141-a sliding sleeve; 142-a slide bar; 143-connecting rods; 144-briquetting; 145-a return spring; 146-an arc-shaped collar; 147-fixing blocks; 148-arc clamping groove; 149-annular groove; 15-connecting blocks; 16-a limiting groove; 17-a stabilizing strip; 18-a second connection port; 19-a positioning groove; 20-sealing block; 21-a sealing ring; 22-a rear cover; 23-a fixing nut; 24-a second telescoping rod; 25-U-shaped fixing blocks; 26-heat sink.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides the following technical solutions:
a photovoltaic module junction box comprises a box body 1, wherein the lower inner wall of the box body 1 is fixedly connected with a mounting plate 2 through screws, the upper end of the mounting plate 2 is fixedly connected with four conductive blocks 3, the left ends of the four conductive blocks 3 are all fixedly connected with left connecting sheets 4, the upper ends of the four left connecting sheets 4 are all provided with clamping ports 5, the lower end of the box body 1 is provided with four first connecting ports 6 in a chiseling way, the four first connecting ports 6 are respectively corresponding to the four clamping ports 5, the right ends of the four conductive blocks 3 are all fixedly connected with right connecting sheets 7, a group of diodes 8 are arranged between every two adjacent conductive blocks 3, three groups of diodes 8 are arranged, the lower inner wall of the box body 1 is fixedly connected with a partition plate 9, the right ends of the box body 1 are provided with two cable conductors 10, the left ends of the two cable conductors 10 sequentially penetrate through the right inner wall and the partition plate 9 of the box body 1, and cable cores 11 are fixedly connected in the two cable conductors 10, the left ends of the two cable cores 11 respectively penetrate to the left sides of the two cables 10, the two cable cores 11 respectively contact with the two right connecting sheets 7 positioned on the front side and the rear side, the upper end of the box body 1 is provided with an upper cover 12, the front end and the rear end of the box body 1 are respectively provided with a group of fixing mechanisms, the group of fixing mechanisms comprises a first clamping block 13, the first clamping block 13 is fixed at the front end of the box body 1, the front end of the upper cover 12 is fixedly connected with an inserting block 131, the inserting block 131 is inserted into the first clamping block 13, the left end and the right end of the inserting block 131 are both provided with clamping grooves 132, the left inner wall and the right inner wall of the first clamping block 13 are both fixedly connected with first telescopic rods 133, the surfaces of the two first telescopic rods 133 are both sleeved with springs 134, the ends, close to the two first telescopic rods 133, are both fixedly connected with second clamping blocks 135, the two second clamping blocks 135 are respectively clamped in the two clamping grooves 132, the front inner walls and the rear wall of the first clamping block 13 are both provided with sliding grooves 136, all sliding connection has slider 137 in two spout 136, fixedly connected with push pedal 138 between two sliders 137, and two connecting rods 139 are articulated through hinge activity in the upper end of push pedal 138, and two connecting rods 139's upper end is articulated in two second fixture blocks 135 through hinge activity respectively, and push pedal 138's lower extreme fixedly connected with push rod 130, the lower extreme of push rod 130 run through to the downside of first fixture block 13, is provided with a set of firm mechanism in the box body 1.
In the embodiment of the invention, the box body 1 and the upper cover 12 are made of PPO materials, the PPO materials have the advantages of high rigidity, high heat resistance, flame retardancy, high strength, excellent electrical property and the like, internal components in the box body 1 can be effectively protected, the mounting plate 2 plays a role in fixing the four conductive blocks 3, so that the four conductive blocks 3 are more stably placed, the four conductive blocks 3, the four left connecting sheets 4 and the four right connecting sheets 7 are made of copper or brass, copper has good conductivity, the conductivity can be improved, each group of diodes 8 is two, two diodes 8 in each group are respectively a bypass diode and an anti-reverse diode, the main function of the diodes is a one-way conduction function, the bypass diodes mainly play a role in preventing hot spot effect of the components, the partition plate 9 plays a role in separation, when potting adhesive is filled, the right part of the partition plate 9 does not need to be filled, the partition plate 9 separates and protects the right-side fixing mechanism, the lower ends of the two insertion blocks 131 are both provided with a certain angle, one ends of the two second clamping blocks 135 close to each other are also provided with a certain angle, the angle of the lower ends of the insertion blocks 131 is matched with the angle of the two second clamping blocks 135, so that the insertion blocks 131 can compress the second clamping blocks 135 more conveniently, the two insertion blocks 131 are inserted into the two first clamping blocks 13 corresponding to the two first clamping blocks 13, the two second clamping blocks 135 are compressed when the insertion blocks 131 are inserted into the first clamping blocks 13, the two second clamping blocks 135 are retracted through the two first telescopic rods 133 respectively, the first telescopic rods 133 can enable the second clamping blocks 135 to move more stably, after the two second clamping blocks 135 respectively correspond to the two clamping grooves 132, the two second clamping blocks 135 are respectively clamped into the two clamping grooves 132 through the elasticity of the two springs 134, so that the insertion blocks 131 are fixed, and the upper cover 12 is fixed at the upper end of the, realize the installation of terminal box, spring 134 makes the joint that second fixture block 135 can be better to the draw-in groove 132 in, when the terminal box needs to be dismantled, through upwards pressing two push rods 130, make push pedal 138 through two slider 137 rebound, two push pedals 138 make two second fixture blocks 135 retract through two first telescopic links 133 through two connecting rods 139, when two second fixture blocks 135 retract not the joint to two draw-in grooves 132 in, take off upper cover 12, accomplish the dismantlement of terminal box.
Specifically, referring to fig. 5, the fixing mechanism includes two fixing rods 14, the two fixing rods 14 are fixed on the lower inner wall of the box body 1, and two dead levers 14 are located the right side of division board 9, the equal fixedly connected with sliding sleeve 141 in upper end of two dead levers 14, equal sliding connection has slide bar 142 in two sliding sleeve 141, the one end that two slide bars 142 are close to mutually all articulates through the hinge activity has connecting rod 143, the one end that two connecting rod 143 are close to mutually articulates through the hinge activity has briquetting 144, the equal fixedly connected with arc rand 146 of one end that two slide bars 142 are kept away from mutually, the equal fixedly connected with fixed block 147 of front and back inner wall of box body 1, arc draw-in groove 148 has all been seted up to the one end that two fixed blocks 147 are close to mutually, the surface of two cables 10 has all been cut up annular groove 149, two annular grooves 149 are located two arc draw-in grooves 148 respectively, two arc draw-in rings 146 block to connect to in two annular grooves 149 respectively.
In the embodiment of the invention, during the installation of the junction box, the upper cover 12 compresses the pressing block 144 through the limiting groove 16 at the lower end of the connecting block 15, the pressing block 144 enables the two sliding rods 142 to respectively slide in the two sliding sleeves 141 through the two connecting rods 143, the two sliding rods 142 move away from each other, the two cables 10 pass through the two arc-shaped clamping grooves 148 during the insertion process into the box body 1, the annular grooves 149 on the surfaces of the two cables 10 are respectively located in the two arc-shaped clamping grooves 148, and the two arc-shaped clamping rings 146 are respectively clamped in the two arc-shaped clamping grooves 148, so that the two cables 10 are fixed.
Specifically, referring to fig. 5, the lower end of the upper cover 12 is fixedly connected with a connecting block 15, the lower end of the connecting block 15 is provided with a limiting groove 16, and the pressing block 144 is located in the limiting groove 16.
In the embodiment of the present invention, when the pressing block 144 is compressed by the limiting groove 16 at the lower end of the connecting block 15, the movement of the pressing block 144 can be more stable.
Specifically, referring to fig. 3, the lower inner wall of the box body 1 is fixedly connected with a stabilizing strip 17, the stabilizing strip 17 is located at the lower sides of the four left connecting pieces 4, the upper end of the stabilizing strip 17 is provided with four second connecting ports 18, and the four second connecting ports 18 are respectively communicated with the four clamping ports 5 and the four first connecting ports 6.
In the embodiment of the invention, the four second connecting ports 18 in the stabilizing strip 17 make the lead of the photovoltaic module inserted into the card interface 5 more stable, and reduce the gap generated after the lead of the photovoltaic module is connected with the left connecting sheet 4.
Specifically, referring to fig. 3, a positioning groove 19 is drilled at the upper end of the box body 1, a sealing block 20 is fixedly connected to the lower end of the upper cover 12, and the sealing block 20 is inserted into the positioning groove 19.
In the embodiment of the invention, when the junction box is assembled, the sealing block 20 is correspondingly inserted into the positioning groove 19, so that the assembly of the upper cover 12 is more stable, and meanwhile, the sealing performance of the junction box can be improved after the positioning groove 19 is connected with the sealing block 20.
Specifically, referring to fig. 1, a sealing ring 21 is fixedly connected to the lower end of the upper cover 12, and the sealing ring 21 is located at the connection position between the box body 1 and the upper cover 12.
In the embodiment of the present invention, the sealing ring 21 can further ensure the sealing performance of the junction box.
Specifically, referring to fig. 1, two rear covers 22 are fixedly connected to the right end of the box body 1, the two cables 10 respectively penetrate through the two rear covers 22, fixing nuts 23 are rotatably connected to the surfaces of the two cables 10, and the two fixing nuts 23 are respectively in threaded connection with the two rear covers 22.
In the embodiment of the present invention, by screwing the two fixing nuts 23 to the right ends of the two rear covers 22, respectively, the gap generated after the cable 10 is inserted into the box body 1 is reduced, the sealing performance of the junction box is improved, and the two cables 10 are more stable.
Specifically, referring to fig. 5, the lower inner wall of the box body 1 is fixedly connected with a second telescopic rod 24, and the second telescopic rod 24 is located in the return spring 145.
In the embodiment of the present invention, the second telescopic rod 24 is located in the return spring 145, so as to prevent the pressing block 144 from deforming the return spring 145 in the process of compressing the return spring 145, and the stability of the return spring 145 can be ensured by the second telescopic rod 24.
Specifically, referring to fig. 3-4, three sets of U-shaped fixing blocks 25 are fixedly connected to the lower inner wall of the box body 1, the three sets of U-shaped fixing blocks 25 respectively correspond to the three sets of diodes 8, and the upper ends of the three sets of U-shaped fixing blocks 25 are inserted with heat dissipation fins 26.
In the specific embodiment of the invention, two U-shaped fixing blocks 25 are provided for each group, two U-shaped fixing blocks 25 of each group are respectively positioned at the left side and the right side of each group of diodes 8, three groups of U-shaped fixing blocks 25 can position the installation of the installation plate 2, the installation effect of the installation plate 2 is improved, meanwhile, three groups of U-shaped fixing blocks 25 can also protect three groups of diodes 8, the stability of the three groups of diodes 8 is ensured, the radiating fins 26 are inserted into the three groups of U-shaped fixing blocks 25, the radiating fins 26 are positioned at the upper ends of the four conductive blocks 3, and the heat can be effectively radiated along with the inside of the junction box through the radiating fins 26, so that the service life of the junction box is prolonged.
In particular, the method comprises the following steps of,
step S1: the three groups of diodes 8 are respectively welded between two adjacent conductive blocks 3, then the two cables 10 are respectively inserted into the box body 1 through the two rear covers 22, the left ends of the two cables 10 penetrate through the separation plate 9 in the box body 1, the two cable cores 11 in the two cables 10 are respectively contacted with the two right connecting sheets 7 positioned on the front side and the rear side, and the two cable cores 11 are respectively fixed with the two right connecting sheets 7 in an electric welding mode.
Step S2: the leading-out wires of the photovoltaic module are inserted into the four first connecting ports 6 in a corresponding mode, the four leading-out wires of the photovoltaic module sequentially penetrate through the four second connecting ports 18 and the four clamping ports 5, then the leading-out wires of the photovoltaic module are bent, the four leading-out wires of the photovoltaic module are respectively contacted with the four left connecting pieces 4, and then the four leading-out wires and the four left connecting pieces 4 are welded one by one.
The working principle and the using process of the invention are as follows: the mounting plate 2 is welded in the box body 1 by using screws, then three groups of diodes 8 are respectively welded between two adjacent conducting blocks 3, then two cables 10 are inserted into the box body 1, the left ends of the two cables 10 penetrate to the left side of the partition plate 9, two cable cores 11 in the two cables 10 are respectively contacted with right connecting sheets 7 positioned at the front side and the rear side, then the two right connecting sheets 7 and the two cable cores 11 are welded, then the bottom of the box body 1 is rubberized, lead wires of the photovoltaic module are correspondingly inserted into four first connecting ports 6, the lead wires sequentially penetrate through four second connecting ports 18 and four clamping ports 5, meanwhile, the box body 1 is fixed on the photovoltaic module by glue at the bottom, then the lead wires of the photovoltaic module are respectively welded with the four left connecting sheets 4, after the welding is finished, glue is poured into the box body 1, and after the glue is cured, two inserting blocks 131 are inserted corresponding to the two first clamping blocks 13, the two second clamping blocks 135 are compressed when the inserting blocks 131 are inserted into the first clamping blocks 13, the two second clamping blocks 135 are retracted through the two first telescopic rods 133 respectively, after the two second clamping blocks 135 correspond to the two clamping grooves 132 respectively, the two second clamping blocks 135 are clamped into the two clamping grooves 132 through the elastic force of the two springs 134 respectively, so that the inserting blocks 131 are fixed, the upper cover 12 is fixed at the upper end of the box body 1, the junction box is installed, in the installation process of the junction box, the upper cover 12 compresses the pressing block 144 through the limiting groove 16 at the lower end of the connecting block 15, the pressing block 144 enables the two sliding rods 142 to slide in the two sliding sleeves 141 through the two connecting rods 143 respectively, the two sliding rods 142 move away from each other, the two cables 10 pass through the two arc-shaped clamping grooves 148 in the process of inserting the box body 1, the annular grooves 149 on the surfaces of the two cables 10 are respectively located in the two arc-shaped clamping grooves 148, the two arc-shaped clamping rings 146 are respectively clamped in the two arc-shaped clamping grooves 148, the two cables 10 are fixed, when the junction box needs to be disassembled, the two push rods 130 are pressed upwards, the push plate 138 moves upwards through the two sliding blocks 137, the two push plates 138 enable the two second clamping blocks 135 to retract through the two first telescopic rods 133 through the two connecting rods 139, when the two second clamping blocks 135 retract and are not clamped in the two clamping grooves 132, the upper cover 12 is ejected upwards by the elastic force generated by the reset spring 145, and the disassembly of the junction box is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Photovoltaic module terminal box, including box body (1), its characterized in that: the lower inner wall of the box body (1) is fixedly connected with a mounting plate (2) through screws, the upper end of the mounting plate (2) is fixedly connected with four conductive blocks (3), the left ends of the four conductive blocks (3) are all fixedly connected with left connecting sheets (4), the upper ends of the four left connecting sheets (4) are all provided with clamping ports (5), the lower end of the box body (1) is provided with four first connecting ports (6), the four first connecting ports (6) are respectively corresponding to the four clamping ports (5), the right ends of the four conductive blocks (3) are all fixedly connected with right connecting sheets (7), a group of diodes (8) are arranged between every two adjacent conductive blocks (3), three groups of diodes (8) are arranged, the lower inner wall of the box body (1) is fixedly connected with a partition plate (9), and the right end of the box body (1) is provided with two cables (10), the left ends of the two cables (10) sequentially penetrate through the right inner wall of the box body (1) and the partition board (9), cable cores (11) are fixedly connected in the two cables (10), the left ends of the two cable cores (11) respectively penetrate through the left sides of the two cables (10), the two cable cores (11) are respectively contacted with two right connecting sheets (7) positioned on the front side and the rear side, an upper cover (12) is arranged at the upper end of the box body (1), a set of fixing mechanisms are respectively arranged at the front end and the rear end of the box body (1) and comprise first clamping blocks (13), the first clamping blocks (13) are fixed at the front end of the box body (1), inserting blocks (131) are fixedly connected at the front end of the upper cover (12), the inserting blocks (131) are inserted into the first clamping blocks (13), clamping grooves (132) are formed in the left end and the right end of the inserting blocks (131), the left inner wall and the right inner wall of the first clamping block (13) are fixedly connected with first telescopic rods (133), the surfaces of the two first telescopic rods (133) are sleeved with springs (134), one ends of the two first telescopic rods (133) close to each other are fixedly connected with second clamping blocks (135), the two second clamping blocks (135) are respectively clamped in the two clamping grooves (132), sliding grooves (136) are formed in the front inner wall and the rear inner wall of the first clamping block (13), sliding blocks (137) are respectively connected in the two sliding grooves (136) in a sliding mode, a push plate (138) is fixedly connected between the two sliding blocks (137), the upper end of the push plate (138) is movably hinged to two connecting rods (139) through hinge shafts, the upper ends of the two connecting rods (139) are respectively hinged to the two second clamping blocks (135) through hinge shafts, and the lower end of the push plate (138) is fixedly connected with a push rod (130), the lower end of the push rod (130) penetrates through the lower side of the first clamping block (13), a group of stabilizing mechanisms are arranged in the box body (1), each stabilizing mechanism comprises two fixing rods (14), the two fixing rods (14) are fixed on the lower inner wall of the box body (1), the two fixing rods (14) are located on the right side of the partition board (9), the upper ends of the two fixing rods (14) are fixedly connected with sliding sleeves (141), sliding rods (142) are slidably connected in the two sliding sleeves (141), one ends, close to the two sliding rods (142), of the two sliding rods are movably hinged with connecting rods (143) through hinge shafts, one ends, close to the two connecting rods (143), of the two connecting rods (143) are movably hinged with pressing blocks (144) through hinge shafts, the lower end of the upper cover (12) is fixedly connected with a connecting block (15), a limiting groove (16) is formed in the lower end of the connecting block (15), and the pressing blocks (144) are located in the limiting groove (16), two equal fixedly connected with arc rand (146) of one end that slide bar (142) kept away from mutually, the equal fixedly connected with fixed block (147) of inner wall around box body (1), two arc draw-in groove (148) have all been seted up to fixed block (147) one end that is close to mutually, two annular groove (149), two are all dug on the surface of cable conductor (10) annular groove (149), two annular groove (149) are located two arc draw-in grooves (148) respectively, two arc rand (146) joint to respectively in two annular grooves (149).
2. The photovoltaic module junction box of claim 1, wherein: the lower inner wall fixedly connected with of box body (1) stabilizes strip (17), stabilize strip (17) and be located the downside of four left connection pieces (4), the upper end of stabilizing strip (17) is opened and is dug there are four second connector (18), four second connector (18) link up with four joint mouth (5) and four first connector (6) respectively mutually.
3. The photovoltaic module junction box of claim 2, wherein: the upper end of the box body (1) is provided with a positioning groove (19), the lower end of the upper cover (12) is fixedly connected with a sealing block (20), and the sealing block (20) is inserted into the positioning groove (19).
4. The photovoltaic module junction box of claim 3, wherein: the lower extreme fixedly connected with sealing washer (21) of upper cover (12), sealing washer (21) are located the junction of box body (1) and upper cover (12).
5. The photovoltaic module junction box of claim 4, wherein: two rear cover (22) of right-hand member fixedly connected with of box body (1), two cable conductor (10) run through two rear cover (22) respectively, two the surface of cable conductor (10) all rotates and is connected with fixation nut (23), two fixation nut (23) respectively with two rear cover (22) threaded connection.
6. The photovoltaic module junction box of claim 5, wherein: the lower inner wall fixedly connected with second telescopic link (24) of box body (1), second telescopic link (24) are located reset spring (145).
7. The photovoltaic module junction box of claim 6, wherein: the lower inner wall fixedly connected with three U type fixed blocks (25) of box body (1), three U type fixed blocks (25) correspond with three diode (8) of group respectively, and three U type fixed blocks (25)'s upper end is pegged graft and is had fin (26).
8. A wiring method using the photovoltaic module junction box of claim 7, wherein: comprises the following steps;
step S1: three groups of diodes (8) are respectively welded between two adjacent conductive blocks (3), then two cables (10) are respectively inserted into the box body (1) through two rear covers (22), the left ends of the two cables (10) penetrate through a partition plate (9) in the box body (1), two cable cores (11) in the two cables (10) are respectively contacted with two right connecting sheets (7) positioned on the front side and the rear side, and the two cable cores (11) are respectively fixed with the two right connecting sheets (7) in an electric welding mode;
step S2: the outgoing lines of the photovoltaic module correspond to the four first connecting ports (6) and are inserted into the four first connecting ports, the four outgoing lines of the photovoltaic module sequentially penetrate through the four second connecting ports (18) and the four clamping ports (5), then the outgoing lines of the photovoltaic module are bent, the four outgoing lines of the photovoltaic module are respectively contacted with the four left connecting pieces (4), and then the four outgoing lines and the four left connecting pieces (4) are welded one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865212.1A CN112187170B (en) | 2020-08-25 | 2020-08-25 | Photovoltaic module junction box and wiring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865212.1A CN112187170B (en) | 2020-08-25 | 2020-08-25 | Photovoltaic module junction box and wiring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112187170A CN112187170A (en) | 2021-01-05 |
| CN112187170B true CN112187170B (en) | 2021-08-10 |
Family
ID=73924417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010865212.1A Active CN112187170B (en) | 2020-08-25 | 2020-08-25 | Photovoltaic module junction box and wiring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112187170B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346445B (en) * | 2021-06-16 | 2022-09-16 | 国网河南省电力公司宝丰县供电公司 | High-voltage cable joint protection device |
| CN113576101A (en) * | 2021-07-13 | 2021-11-02 | 泉州宝峰鞋业有限公司 | Dual-purpose shoes of slippers sandals convenient to dismouting |
| CN114824850A (en) * | 2022-04-15 | 2022-07-29 | 瞿恺成 | Multi-contact terminal assembly |
| CN116845796B (en) * | 2023-08-31 | 2023-11-03 | 江苏泽润新能科技股份有限公司 | Pop-up junction box |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1126035A (en) * | 1997-07-04 | 1999-01-29 | Engel Kogyo Kk | Terminal box for solar cell module |
| CN207766222U (en) * | 2017-12-13 | 2018-08-24 | 天津旭晟新能源科技有限公司 | A kind of anticreep photovoltaic electrification component wiring box |
| CN109244853B (en) * | 2018-10-18 | 2020-08-07 | 河南锐盛电力科技有限公司 | Safety protection device for power facility used in power construction site |
| CN208862798U (en) * | 2018-11-15 | 2019-05-14 | 浙江安迈太阳能科技有限公司 | A kind of photovoltaic module connection box |
| CN109973907A (en) * | 2019-03-22 | 2019-07-05 | 安徽艳阳电气集团有限公司 | A kind of environment-friendly and energy-efficient LED light being easily installed disassembly |
-
2020
- 2020-08-25 CN CN202010865212.1A patent/CN112187170B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112187170A (en) | 2021-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112187170B (en) | Photovoltaic module junction box and wiring method | |
| CN208508146U (en) | Multifunctional high pressure connector and battery product | |
| US8339773B2 (en) | Device for connecting an electric line to a circuit breaker | |
| CN208690572U (en) | Inserting terminal, multifunctional high pressure connector and battery product | |
| CN208690601U (en) | Conduction connecting structure, multifunctional high pressure connector and battery product | |
| CN111446557B (en) | Wiring device of photovoltaic equipment | |
| CN201285811Y (en) | Electric connector for flat electric cable | |
| CN107346811A (en) | Low-voltage power battery pack | |
| CN217983766U (en) | Battery replacing connector | |
| CN102544811A (en) | Junction box and luminaire adopting the same | |
| CN202190230U (en) | Solar photovoltaic connecting box | |
| CN213241956U (en) | High-conductivity conducting bar | |
| CN209448138U (en) | A kind of multiple groups conjunction water-proof connector | |
| CN211719545U (en) | Combined residual current circuit breaker | |
| CN110323705B (en) | Plug-in type bus duct's grafting structure | |
| CN209344438U (en) | A kind of high-tension connector | |
| CN208240593U (en) | Miniature circuit breaker modularization confluence pedestal | |
| CN211981826U (en) | Resistance welding photovoltaic terminal box | |
| CN215934812U (en) | Bypass module for high-current junction box with good heat dissipation performance and junction box with bypass module | |
| CN214336941U (en) | Copper aluminum busbar and cable connector | |
| CN219553978U (en) | Novel pressure plate type high-current connector | |
| CN218275967U (en) | Photovoltaic power plant is incorporated into power networks operation and is prevented power transmission device | |
| CN213093376U (en) | Silicone rubber protective cover for connection of copper wiring terminal | |
| CN209675888U (en) | A kind of bus connection component for Small Substation | |
| CN215183842U (en) | Contact-fusing combined electrical apparatus, distribution box, battery assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220520 Address after: No.3, section 3, lan'an Road, Naxi District, Luzhou City, Sichuan Province Patentee after: Sichuan Shunni Energy Technology Co.,Ltd. Address before: 211100 two, B unit 300, Zhihui Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu. Patentee before: NANJING RUIYI ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221221 Address after: 163000 business service center a, business service center g, Aolin international apartment business district, Ranghulu District, Daqing City, Heilongjiang Province 1612 Patentee after: Daqing Yuanyi Technology Co.,Ltd. Address before: No.3, section 3, lan'an Road, Naxi District, Luzhou City, Sichuan Province Patentee before: Sichuan Shunni Energy Technology Co.,Ltd. |