CN212034080U - Durable solar junction box - Google Patents
Durable solar junction box Download PDFInfo
- Publication number
- CN212034080U CN212034080U CN202020752308.2U CN202020752308U CN212034080U CN 212034080 U CN212034080 U CN 212034080U CN 202020752308 U CN202020752308 U CN 202020752308U CN 212034080 U CN212034080 U CN 212034080U
- Authority
- CN
- China
- Prior art keywords
- metal
- metal casing
- shell
- perforation
- junction box
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 84
- 239000002184 metal Substances 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 241000463219 Epitheca Species 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 6
- 230000004224 protection Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the technical field of solar facilities, especially, be a durable type solar junction box, including metal casing and insulating epitheca, metal casing is fillet rectangle box body, and metal casing's opening is equipped with the annular groove, and the gomphosis has the sealing ring in the annular groove, and sealing ring protrusion is in the top surface of annular groove, and metal casing's one end is equipped with the inlet wire and perforates, and metal casing's the other end is equipped with the perforation of being qualified for the next round of competitions, and equal gomphosis has the toper rubber tube in the perforation of inlet wire and the perforation of being qualified for the next round of competitions, and two toper rubber tubes are located the equal fixedly connected with plastics screwed pipe of the. The utility model discloses perforation and the perforation of being qualified for the next round of competitions go up gomphosis toper rubber tube at the inlet wire, toper rubber tube is through bowl shape nut and plastics screwed pipe taut production deformation in to metal casing gradually, and its outer wall is perforated or the perforation of being qualified for the next round of competitions closely gomphosis with the inlet wire, and the inseparable gomphosis of its hole and wire realizes good sealed effect.
Description
Technical Field
The utility model relates to a solar facilities technical field specifically is a durable type solar junction box.
Background
The solar cell module junction box is a connector between a solar cell array formed by solar cell modules and a solar charging control device, and is a cross-field comprehensive design combining electrical design, mechanical design and material science; the junction box of the solar cell module is very important in the composition of the solar module and mainly used for connecting the electric power generated by the solar cell with an external circuit; the junction box is adhered to the back plate of the assembly through silica gel, outgoing lines in the assembly are connected together through internal circuits in the junction box, and the internal circuits are connected with external cables to enable the assembly to be conducted with the external cables; the diode is arranged in the junction box, so that the component can work normally when being shielded from light; the main characteristics of the solar cell module junction box are as follows: the shell has extremely high ageing resistance and ultraviolet resistance; the device is suitable for outdoor use under long-time severe environment conditions; 2-6 wiring terminals can be optionally arranged in the terminal box according to the requirement.
The current solar junction box has the following problems:
1. at present, gaps exist in connection between a box body of the solar junction box and an insulating sleeve, so that air leakage, water leakage and durability reduction are caused.
2. The existing solar junction box can not well protect the internal electrical elements when being impacted by external force.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a durable solar junction box has solved the connection between present solar junction box body and the insulation support and has had the gap, leads to gas leakage, leaks and the durability reduces to and can not carry out the problem of good protection to its inside electrical components when receiving external force and assault.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a durable solar junction box comprises a metal shell and an insulating inner shell, wherein the metal shell is a round-angle rectangular box body, an annular groove is formed in an opening of the metal shell, a sealing ring is embedded in the annular groove and protrudes out of the top surface of the annular groove, one end of the metal shell is provided with a wire inlet perforation, the other end of the metal shell is provided with a wire outlet perforation, a conical rubber pipe is embedded in the wire inlet perforation and the wire outlet perforation, the conical rubber pipe is positioned at the outer diameter of one end of an inner cavity of the metal shell and is fixedly connected with a plastic threaded pipe, the plastic threaded pipe is screwed with a bowl-shaped nut, the bottom edge of the bowl-shaped nut is abutted against the inner wall of the metal shell, the side of the bowl-shaped nut is provided with a rectangular tooth groove, the center of the inner cavity of the metal shell is fixedly embedded with the insulating inner shell, and two, separate into a plurality of independent cavities of insulating isolation of each other through the baffle in the insulating epitheca, it is a plurality of equal gomphosis is connected with metal wiring board in the independent cavity, and two are adjacent electric connection has the diode between the metal wiring board, one side of metal casing articulates there is the apron, the apron is located metal casing open-ended one side is equipped with the fillet rectangle ring, the embedding of fillet rectangle ring the opening of metal casing, the border crimping of apron the top surface of sealing ring, the opposite side of apron is equipped with the hasp lock joint the avris of metal casing.
As an optimal technical scheme of the utility model, the middle part of apron is equipped with the observation window, the gomphosis has explosion-proof glass board on the observation window.
As an optimized technical scheme of the utility model, metal casing with it has the insulating foam of shock attenuation to fill between the insulating epitheca.
As an optimized technical scheme of the utility model, metal casing with the inner wall of apron all is equipped with the structure strengthening rib.
As an optimized technical scheme of the utility model, metal casing with the apron is made by forging and pressing aluminum alloy material or casting aluminum alloy material.
(III) advantageous effects
Compared with the prior art, the utility model provides a durable solar junction box possesses following beneficial effect:
1. according to the durable solar junction box, the conical rubber tube is embedded in the inlet wire through hole and the outlet wire through hole, the conical rubber tube is gradually tensioned through the bowl-shaped screw cap and the plastic threaded tube to deform into the metal shell, the outer wall of the conical rubber tube is tightly embedded in the inlet wire through hole or the outlet wire through hole, the inner hole of the conical rubber tube is tightly embedded in a lead, and a good sealing effect is achieved.
2. This durable solar junction box, it has the insulating foam of shock attenuation to fill between metal casing and the insulating inner shell to make insulating and shock-absorbing capacity good between the two, when the external world has powerful impact metal casing, the insulating foam of shock attenuation can slow down and the separation impact force degree, makes insulating inner shell and its inside electrical components avoid strikeing, prolongs the utility model discloses a life.
Drawings
FIG. 1 is a schematic view of the subjective structure of the present invention;
fig. 2 is the side-cut structure schematic diagram of the utility model.
In the figure: 1. a metal housing; 2. an annular groove; 3. a seal ring; 4. leading in and perforating; 5. wire outgoing and punching; 6. a tapered rubber tube; 7. a plastic threaded pipe; 8. a bowl-shaped nut; 9. a rectangular tooth socket; 10. an insulating inner shell; 11. a separate chamber; 12. a metal wiring board; 13. a diode; 14. a cover plate; 15. a rounded rectangular ring; 16. an observation window; 17. an explosion-proof glass plate; 18. shock absorbing insulating foam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: a durable solar junction box comprises a metal shell 1 and an insulating inner shell 10, wherein the metal shell 1 is a round-angle rectangular box body, an annular groove 2 is formed in an opening of the metal shell 1, a sealing ring 3 is embedded in the annular groove 2, the sealing ring 3 protrudes out of the top surface of the annular groove 2, an incoming line through hole 4 is formed in one end of the metal shell 1, an outgoing line through hole 5 is formed in the other end of the metal shell 1, tapered rubber pipes 6 are embedded in the incoming line through hole 4 and the outgoing line through hole 5, plastic threaded pipes 7 are fixedly connected to the outer diameters of the two tapered rubber pipes 6 at one end of an inner cavity of the metal shell 1, bowl-shaped screw nuts 8 are screwed and connected to the two plastic threaded pipes 7, the bottom edges of the bowl-shaped screw nuts 8 abut against the inner wall of the metal shell 1, rectangular tooth grooves 9 are formed in the side edges of the bowl-shaped screw nuts 8, the insulating, separate into a plurality of independent cavities 11 that insulate from each other through the baffle in the insulating backshell 10, equal gomphosis is connected with metal wiring board 12 in a plurality of independent cavities 11, electric connection has diode 13 between two adjacent metal wiring boards 12, one side of metal casing 1 articulates there is apron 14, apron 14 is located 1 open-ended one side of metal casing and is equipped with fillet rectangular ring 15, fillet rectangular ring 15 imbeds the opening of metal casing 1, the opposite side of apron 14 is equipped with the avris of hasp lock joint metal casing 1.
In this embodiment, the cover plate 14 is embedded into the opening of the metal housing 1 through the rounded rectangular ring 15, the edge of the cover plate 14 is crimped to the top surface of the sealing ring 3, the other side of the cover plate 14 is fastened to the side of the metal housing 1 through a snap, the cover plate 14 seals the opening of the metal housing 1 well, the insulating inner shell 10 placed in the metal housing 1 can be sealed and protected by the metal housing 1 and the cover plate 14, and is used for guiding the conical rubber tube 6 embedded in the wire inlet through hole 4 and the wire outlet through hole 5 to penetrate into the metal housing 1 during circuit connection, then is electrically connected with the metal wiring board 12 through the notches at the two ends of the insulating inner shell 10, and then is conducted in a unidirectional manner through the diode 13; because there is the gap between inlet wire perforation 4 and the perforation 5 of being qualified for the next round of competitions and the ordinary threading pipe, lead to gas leakage, leak, and then influence electrical components's in the insulating epitheca 10 of metal casing 1 life, consequently the utility model discloses at inlet wire perforation 4 with go out the perforation 5 go up gomphosis toper rubber tube 6, toper rubber tube 6 through bowl shape nut 8 and plastics screwed pipe 7 take-up gradually in to metal casing 1 and produce deformation, its outer wall with the inlet wire perforation 4 or go out the perforation 5 inseparable gomphosis, its hole and the inseparable gomphosis of wire realize good sealed effect.
Specifically, an observation window 16 is arranged in the middle of the cover plate 14, and an explosion-proof glass plate 17 is embedded in the observation window 16.
In this embodiment, an observation window 16 is disposed in the middle of the cover plate 14 for observing the working states of the insulating inner case 10 and the electrical components therein, and an explosion-proof glass plate 17 is embedded in the observation window 16 for sealing and isolating the insulating inner case 10 and the electrical components therein.
Specifically, the shock-absorbing insulating foam 18 is filled between the metal outer shell 1 and the insulating inner shell 10.
In this embodiment, it has insulating foam of shock attenuation 18 to fill between metal casing 1 and the insulating inner shell 10 to make insulating and shock-absorbing capacity good between the two, when the external world has powerful impact metal casing 1, insulating foam of shock attenuation 18 can reduce and the separation impact force degree, makes insulating inner shell 10 and its inside electrical components avoid strikeing, prolongs the utility model discloses a life.
Specifically, the inner walls of the metal shell 1 and the cover plate 14 are provided with structural reinforcing ribs.
In this embodiment, the inner walls of metal casing 1 and apron 14 all are equipped with the structure strengthening rib, the two structural strength of further reinforcing, the reinforcing the utility model discloses a durability.
Specifically, the metal shell 1 and the cover plate 14 are made of a forged aluminum alloy material or a cast aluminum alloy material.
In this embodiment, metal casing 1 and apron 14 are made by forging and pressing aluminum alloy material or casting aluminum alloy material, have light in weight, and sturdy structure, corrosion-resistant characteristics consequently can make the utility model has good durability.
The bowl-shaped nut 8 in this embodiment is a known technology that has been disclosed to be widely used in industrial production and daily life.
The utility model discloses a theory of operation and use flow: the cover plate 14 is embedded into an opening of the metal shell 1 through the round-corner rectangular ring 15, the edge of the cover plate 14 is in compression joint with the top surface of the sealing ring 3, the other side of the cover plate 14 is buckled with the side of the metal shell 1 through a buckle, the cover plate 14 is used for well sealing the opening of the metal shell 1, the insulating inner shell 10 placed in the metal shell 1 can be sealed and protected by the metal shell 1 and the cover plate 14 at the moment, and when the circuit is connected, the insulating inner shell can penetrate into the metal shell 1 through the conical rubber tube 6 embedded in the wire inlet through hole 4 and the wire outlet through hole 5, then is electrically connected with the metal wiring board 12 through notches at two ends of the insulating inner shell 10, and is conducted in; because there is the gap between inlet wire perforation 4 and the perforation 5 of being qualified for the next round of competitions and the ordinary threading pipe, lead to gas leakage, leak, and then influence electrical components's in the insulating epitheca 10 of metal casing 1 life, consequently the utility model discloses at inlet wire perforation 4 with go out the perforation 5 go up gomphosis toper rubber tube 6, toper rubber tube 6 through bowl shape nut 8 and plastics screwed pipe 7 take-up gradually in to metal casing 1 and produce deformation, its outer wall with the inlet wire perforation 4 or go out the perforation 5 inseparable gomphosis, its hole and the inseparable gomphosis of wire realize good sealed effect.
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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (5)
1. A durable solar junction box comprises a metal outer shell (1) and an insulating inner shell (10), and is characterized in that: the utility model discloses a solar energy collector, including metal casing (1), sealing ring (3), wire inlet and outlet, metal casing (1) is the fillet rectangle box body, the opening of metal casing (1) is equipped with annular groove (2), gomphosis has sealing ring (3) in annular groove (2), sealing ring (3) protrusion in the top surface of annular groove (2), the one end of metal casing (1) is equipped with inlet wire perforation (4), the other end of metal casing (1) is equipped with outlet wire perforation (5), inlet wire perforation (4) with equal gomphosis has toper rubber tube (6) in outlet wire perforation (5), two the equal fixedly connected with plastics screwed pipe (7) of external diameter that toper rubber tube (6) is located metal casing (1) inner chamber one end, two plastics screwed pipe (7) all spiral shell and are connected with bowl-shaped nut (8), the base of bowl-shaped nut (8) the inner wall of metal casing (1), the avris of bowl-shaped nut (, the center of the inner cavity of the metal outer shell (1) is fixedly embedded with the insulating inner shell (10), notches are arranged at two ends of the insulating inner shell (10), the insulating inner shell (10) is divided into a plurality of independent chambers (11) which are insulated and isolated mutually through partition plates, metal wiring boards (12) are embedded and connected in the independent chambers (11), a diode (13) is electrically connected between two adjacent metal wiring boards (12), a cover plate (14) is hinged to one side of the metal shell (1), a round-corner rectangular ring (15) is arranged on one side, located at the opening of the metal shell (1), of the cover plate (14), the round-corner rectangular ring (15) is embedded into the opening of the metal shell (1), the border crimping of apron (14) the top surface of sealing ring (3), the opposite side of apron (14) is equipped with hasp lock joint the avris of metal casing (1).
2. The durable solar junction box of claim 1, wherein: an observation window (16) is arranged in the middle of the cover plate (14), and an explosion-proof glass plate (17) is embedded in the observation window (16).
3. The durable solar junction box of claim 1, wherein: and a shock-absorbing insulating foam (18) is filled between the metal outer shell (1) and the insulating inner shell (10).
4. The durable solar junction box of claim 1, wherein: the inner walls of the metal shell (1) and the cover plate (14) are provided with structural reinforcing ribs.
5. The durable solar junction box of claim 1, wherein: the metal shell (1) and the cover plate (14) are made of forged aluminum alloy materials or cast aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752308.2U CN212034080U (en) | 2020-05-09 | 2020-05-09 | Durable solar junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752308.2U CN212034080U (en) | 2020-05-09 | 2020-05-09 | Durable solar junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212034080U true CN212034080U (en) | 2020-11-27 |
Family
ID=73481097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020752308.2U Expired - Fee Related CN212034080U (en) | 2020-05-09 | 2020-05-09 | Durable solar junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212034080U (en) |
-
2020
- 2020-05-09 CN CN202020752308.2U patent/CN212034080U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |