CN111262523A - Conductive mechanism of solar junction box - Google Patents
Conductive mechanism of solar junction box Download PDFInfo
- Publication number
- CN111262523A CN111262523A CN202010218440.XA CN202010218440A CN111262523A CN 111262523 A CN111262523 A CN 111262523A CN 202010218440 A CN202010218440 A CN 202010218440A CN 111262523 A CN111262523 A CN 111262523A
- Authority
- CN
- China
- Prior art keywords
- conducting strip
- junction box
- solar junction
- conducting
- diode chip
- 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.)
- Pending
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
- H02S40/345—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction 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
- Photovoltaic Devices (AREA)
Abstract
The invention provides a conductive mechanism of a solar junction box, and particularly relates to the technical field of electronics, and the conductive mechanism comprises a first conductive sheet and a second conductive sheet, wherein a riveting end is arranged at one end of the first conductive sheet, the other end of the first conductive sheet is connected with one end of the second conductive sheet, and the other end of the second conductive sheet is a connecting end; the LED packaging structure is characterized in that a connecting sheet is arranged at the other end of the first conducting sheet, diode chips are symmetrically arranged on two sides of the connecting sheet, a support plate is symmetrically arranged at one end of the second conducting sheet, the diode chips are arranged on the support plate, one end of each diode chip is in non-insulated connection with the support plate, and the other end of each diode chip is connected with the connecting sheet through a connecting wire. The invention not only has good heat dissipation, but also can bear larger current so as to prolong the service life and widen the application range.
Description
Technical Field
The invention belongs to the technical field of electronics, and particularly relates to a conductive mechanism of a solar junction box.
Background
The solar junction box is very important in the composition of a solar module, and mainly plays a role in connecting electric power generated by a solar cell with an external circuit. The junction box is adhered to the back plate of the assembly through silica gel, the outgoing lines in the assembly are connected together through the internal lines in the junction box, and the internal lines are connected with the external cables to enable the assembly to be conducted with the external cables. The wiring box is internally provided with a conductive mechanism containing a diode chip, so that the component can normally work when being shielded from light. The existing conducting mechanism adopts a single diode chip, so that the heat dissipation is poor, the service life is shortened, overlarge current cannot be borne, and the application range is greatly limited.
In view of the above disadvantages, there is a need for a conductive mechanism of a solar junction box, which not only has good heat dissipation, but also can bear large current, so as to improve the service life and the application range.
Disclosure of Invention
The invention aims to provide a conductive mechanism of a solar junction box, which not only has good heat dissipation, but also can bear large current so as to prolong the service life and improve the application range.
The invention provides the following technical scheme:
the conductive mechanism of the solar junction box comprises a first conductive sheet and a second conductive sheet, wherein a riveting end is arranged at one end of the first conductive sheet, the other end of the first conductive sheet is connected with one end of the second conductive sheet, and the other end of the second conductive sheet is a connecting end;
the other end of the first conducting strip is provided with a connecting sheet, and diode chips are symmetrically arranged on two sides of the connecting sheet
A support plate is symmetrically arranged at one end of the second conducting strip, the diode chip is arranged on the support plate, one end of the diode chip is in non-insulated connection with the support plate, and the other end of the diode chip is connected with the connecting sheet through a connecting wire;
preferably, the connecting lead is an aluminum wire, the diameter of the aluminum wire is 20nil, and two ends of the aluminum wire are respectively connected with the diode chip and the connecting sheet through ultrasonic welding.
Preferably, the number of the connecting wires is four, that is, each diode chip is connected with the connecting sheet through two connecting wires.
Preferably, the peripheries of the diode chip, the carrier plate and the connecting sheet are coated with insulators.
Preferably, the first conducting plate is close to one end of the riveting end, and positioning holes are formed in two sides of the first conducting plate; the second conducting strip is far away from one end of the carrier plate, and positioning holes are formed in two sides of the second conducting strip.
Preferably, the position or the aperture of the positioning hole of the first conducting strip is an asymmetric fool-proof structure.
Preferably, the edges of the first conducting strip and the second conducting strip are bent downwards to form a right-angle structure
Preferably, the first conducting strip and the second conducting strip are both in a hollow structure; and tin blocking strips are arranged on the upper sides of the end parts of the first conducting strip and the second conducting strip
Preferably, the riveting end is of an arch structure, the upper edge of the end part of the riveting end extends outwards, and the lower end surfaces of the two sides of the riveting end are concave.
The invention has the beneficial effects that:
compared with the traditional single diode chip, the invention can improve the heat dissipation area and the heat dissipation effect by arranging two diode chips, and can improve the maximum current capacity of the load, thereby prolonging the service life and the application range.
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 axial view of the present invention;
FIG. 2 is a top view of the present invention;
reference numerals: 1. a first conductive sheet; 2. a second conductive sheet; 3. riveting the end; 4. an insulator; 5. a diode chip; 6. connecting a lead; 7. tin blocking strips; 8. positioning holes; 9. connecting sheets; 10. and a carrier plate.
Detailed Description
Referring to fig. 1 to 2, the conductive mechanism of the solar junction box includes a first conductive plate 1 and a second conductive plate 2, wherein one end of the first conductive plate 1 is provided with a riveting end 3 for clamping the periphery of a cable, the other end of the first conductive plate 1 is connected with one end of the second conductive plate 2, and the other end of the second conductive plate 2 is a connecting end for connecting the cable; the other end of the first conducting strip 1 is provided with a connecting sheet 9, and two sides of the connecting sheet 9 are symmetrically provided with diode chips 5; a support plate 10 is symmetrically arranged at one end of the second conducting strip 2, the diode chip 5 is arranged on the support plate 10, one end of the diode chip 5 is in non-insulated connection with the support plate 10, and in order to ensure the firmness, the diode chip 5 is welded with the support plate 10 through soft soldering equipment; the other end of the diode chip 5 is connected with the connecting sheet 9 through a connecting wire 6; compared with the traditional single diode chip, the device can improve the heat dissipation area and the heat dissipation effect by arranging the two diode chips 5, and can improve the maximum current capacity of the load, thereby prolonging the service life and the application range; the connecting wire 6 is an aluminum wire, the diameter of the aluminum wire is 20nil, the aluminum wire with the specification is long in service life and good in conductivity, two ends of the aluminum wire are respectively connected with the diode chip 5 and the connecting sheet 9 through ultrasonic welding, the ultrasonic welding is precise, and the efficiency is high; the number of the connecting wires 6 is four, namely, each diode chip 5 is connected with the connecting sheet 9 through two connecting wires 6, the maximum current capacity of the load can be improved through four connecting wires, and the heat dissipation effect of the diode chips is improved through the plurality of connecting wires 6.
Wherein, the peripheries of the diode chip 5, the carrier plate 10 and the connecting sheet 9 are coated with an insulator 4, the insulator 4 is directly and integrally molded by injection molding, and the material can be resin or other insulating materials; one end of the first conducting plate 1 close to the riveting end 3 is provided with positioning holes 8 at two sides of the first conducting plate 1; the second conducting plate 2 is far away from one end of the carrier plate 10, positioning holes 8 are arranged on two sides of the second conducting plate 2, and the firmness of fixing the device can be improved by penetrating through the positioning holes 8. The position or the aperture of the positioning hole 8 of the first conducting plate 1 is an asymmetric fool-proof structure, and the fool-proof structure can avoid the reverse connection of the device and improve the safety; referring to fig. 1, the edges of the first conductive sheet 1 and the second conductive sheet 2 are bent downward to form a right-angle structure, so that the heat dissipation area of the device can be increased, and the heat dissipation effect can be improved; the first conducting sheet 1 and the second conducting sheet 2 are both of a concave structure, through holes are formed in the surfaces of the first conducting sheet 1 and the second conducting sheet 2, and tin is stacked in the concave structure during soldering, so that cables can be connected conveniently through soldering; tin blocking bars 7 are arranged on the upper sides of the end parts of the first conducting plate 1 and the second conducting plate 2, and metal tin during tin soldering can be blocked by the tin blocking bars 7, so that the tin is prevented from overflowing, and the connection firmness and the welding convenience of tin soldering are improved; referring to fig. 1, the riveting end 3 is a U-shaped structure, so that the cable can be clamped more firmly, and the upper edge of the end of the riveting end 3 extends outwards, so that the cable can be further clamped, and the clamping firmness is improved; the lower end surfaces of two sides of the riveting end 3 are concave, so that the contact area is reduced, the clamping is more facilitated, the position of the cable can be visually seen, and the operation is convenient.
The working mode of the invention is as follows:
as shown in fig. 1 and 2, the cable is clamped by the riveting end 3, the connecting wire of the cable extends into the hollow structure of the first conducting strip 1, and the cable is connected with the first connecting strip 1 by soldering; the tin blocking strips 7 can block metal tin during tin soldering, so that tin overflow is avoided, and the connection firmness and the welding convenience of tin soldering are improved; connecting wires of the cables extend into the hollow structures of the second conducting strips 2, and the cables are connected with the second connecting strips 2 through tin soldering; the tin blocking strips 7 can block metal tin during tin soldering, so that tin overflow is avoided, and the connection firmness and the welding convenience of tin soldering are improved; the device is fixed by a screw penetrating through the positioning hole 8; the position or the aperture of the positioning hole 8 of the first conducting plate 1 is an asymmetric fool-proof structure, and the fool-proof structure can avoid the reverse connection of the device and improve the safety; the edges of the first conducting strip 1 and the second conducting strip 2 are bent downwards to form a right-angle structure, so that the heat dissipation area of the device can be increased, and the heat dissipation effect is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. 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 (9)
1. Electrically conductive mechanism of solar junction box, its characterized in that: the riveting terminal comprises a first conducting strip and a second conducting strip, wherein a riveting end is arranged at one end of the first conducting strip, the other end of the first conducting strip is connected with one end of the second conducting strip, and the other end of the second conducting strip is a connecting end;
the other end of the first conducting strip is provided with a connecting sheet, and diode chips are symmetrically arranged on two sides of the connecting sheet
And one end of the second conducting strip is symmetrically provided with a carrier plate, the diode chip is arranged on the carrier plate, one end of the diode chip is in non-insulated connection with the carrier plate, and the other end of the diode chip is connected with the connecting sheet through a connecting wire.
2. The electrical conduction mechanism of a solar junction box of claim 1, wherein: the connecting lead is an aluminum wire, the diameter of the aluminum wire is 20nil, and two ends of the aluminum wire are respectively connected with the diode chip and the connecting sheet through ultrasonic welding.
3. The electrical conduction mechanism of a solar junction box of claim 2, wherein: the connecting wires are four in number, namely, each diode chip is connected with the connecting sheet through two connecting wires.
4. The electrical conduction mechanism of a solar junction box of claim 3, wherein: and insulators are coated on the peripheries of the diode chip, the carrier plate and the connecting sheet.
5. The electrical conduction mechanism of a solar junction box of claim 4, wherein: one end of the first conducting plate, which is close to the riveting end, is provided with positioning holes at two sides of the first conducting plate; the second conducting strip is far away from one end of the carrier plate, and positioning holes are formed in two sides of the second conducting strip.
6. The electrical conduction mechanism of a solar junction box of claim 5, wherein: the position or the aperture of the positioning hole of the first conducting strip is an asymmetric fool-proof structure.
7. The electrical conduction mechanism of a solar junction box of claim 1, wherein: the edges of the first conducting strip and the second conducting strip are bent downwards to form a right-angle structure.
8. The electrical conduction mechanism of a solar junction box of claim 1, wherein: the first conducting strip and the second conducting strip are both in hollow structures; and tin blocking strips are arranged on the upper sides of the end parts of the first conducting plate and the second conducting plate.
9. The electrical conduction mechanism of a solar junction box of claim 1, wherein: the riveting end is of an arch structure, the upper edge of the end part of the riveting end extends outwards, and the lower end surfaces of the two sides of the riveting end are concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218440.XA CN111262523A (en) | 2020-03-25 | 2020-03-25 | Conductive mechanism of solar junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010218440.XA CN111262523A (en) | 2020-03-25 | 2020-03-25 | Conductive mechanism of solar junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111262523A true CN111262523A (en) | 2020-06-09 |
Family
ID=70951565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010218440.XA Pending CN111262523A (en) | 2020-03-25 | 2020-03-25 | Conductive mechanism of solar junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111262523A (en) |
-
2020
- 2020-03-25 CN CN202010218440.XA patent/CN111262523A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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