CN211150540U

CN211150540U - Diode fixing structure and solar cell module junction box

Info

Publication number: CN211150540U
Application number: CN202020164035.XU
Authority: CN
Inventors: 郑建; 束蒙蒙; 崔廷
Original assignee: Hefei Ja Solar Technology Co ltd
Current assignee: Hefei Ja Solar Technology Co ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-07-31
Anticipated expiration: 2030-02-12

Abstract

The utility model discloses a diode fixed knot constructs and solar module terminal box, diode fixed knot construct and include conducting strip, briquetting and mounting groove, and briquetting detachably installs on the conducting strip, and the mounting groove is one at least, including the first recess and the second recess that set up in pairs, first recess is seted up on the briquetting, and on the conducting strip was seted up to the second recess, when the briquetting was installed in the conducting strip, first recess and second recess lock to the diode wiring end that interference fit put into. The solar cell module junction box comprises a junction box body, diodes and a plurality of diode fixing structures, wherein the diode fixing structures are fixed in the junction box body, and wiring ends of the diodes are embedded in mounting grooves in two adjacent diode fixing structures. The utility model provides a diode fixed knot constructs convenient to detach and installation diode, and easy operation, the steadiness is good. The wiring end of the solar cell module wiring box is firmly installed, the connection mode is convenient and fast, and the safety is good.

Description

Diode fixing structure and solar cell module junction box

Technical Field

The utility model relates to an electrical component terminal box technical field especially relates to a diode fixed knot constructs and solar module terminal 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 mainly used for connecting electric power generated by the solar cells with an external circuit. The common junction box is composed of a box cover, a box body, a wiring terminal, a diode, a connecting wire and a connector. 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 diode in the junction box is used for ensuring that the assembly can normally work when being blocked by light, so the diode is a key assembly in the photovoltaic cell junction box, wherein the fixation of the diode is particularly important and is the most difficult process.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to overcome the defects in the prior art, thereby providing a diode fixed knot constructs, this diode fixed knot constructs convenient to detach and installation diode, and easy operation, the steadiness is good.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a diode fixed knot constructs, includes conducting strip, briquetting and mounting groove, briquetting detachably install in on the conducting strip, the mounting groove is one at least, including first recess and the second recess that sets up in pairs, first recess set up in on the briquetting, the second recess set up in on the conducting strip, work as the briquetting install in during the conducting strip, first recess with second recess lock to the diode wiring end that interference fit put into.

In one embodiment, the pressing block is sleeved outside the conductive sheet, and the edge of the pressing block is provided with at least two buckling pieces for buckling with the conductive sheet, and the two buckling pieces are diagonally and oppositely arranged on two sides of the pressing block.

In one embodiment, the fastener is an elastic sheet.

In one embodiment, the inner wall of the fastener is provided with a limiting protrusion for fastening the fastening.

In one embodiment, the limiting protrusion is a convex column extending perpendicular to the inner wall of the fastener or a convex strip extending horizontally along the inner wall of the fastener.

In one embodiment, there are two mounting grooves, and the first grooves on two adjacent pressing blocks and the second grooves on two adjacent conducting strips are arranged in a one-to-one correspondence manner.

In one embodiment, the diode is a pillar diode.

In one embodiment, the first groove and the second groove are both semicircular in cross section.

Another object of the utility model is to provide a solar module terminal box, this solar module terminal box's wiring end installation is firm, and the convenient science of connected mode has better security performance.

the utility model provides a solar module terminal box, includes junction box body, diode and the above-mentioned diode fixed knot of a plurality of constructs, diode fixed knot constructs to be fixed in the junction box body, the wiring end of diode inlays to be located adjacent two in the mounting groove among the diode fixed knot constructs.

In one embodiment, a plurality of the diode fixing structures are arranged in a row, only one mounting groove is arranged on the diode fixing structure at the end of the row, and the rest two mounting grooves are correspondingly arranged on the diode fixing structure at the end of the row.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a diode fixed knot constructs mainly by the conducting strip, briquetting and mounting groove is constituteed, wherein be equipped with the mounting groove between briquetting and the conducting strip, the first recess and the second recess of mounting groove set up on briquetting and conducting strip respectively relatively, because briquetting and conducting strip can be dismantled and be connected, therefore, when needs installation fixed diode, only need put the wiring end of diode into first recess or second recess earlier, then install the briquetting on the conducting strip can, at this moment, the wiring end combines the fixing of briquetting and conducting strip under the interference fit of mounting groove, thereby can realize firm installation; when the abnormity needs to be checked or the diode needs to be replaced, only the pressing block and the conducting strip need to be separated, and the detachable connection of the pressing block and the conducting strip can be threaded connection, buckle connection or nested connection and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a diode fixing structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pressing block according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a junction box of a solar cell module according to an embodiment of the present invention.

Description of reference numerals:

1. a conductive sheet; 2. briquetting; 21. a fastener; 22. a limiting bulge; 3. mounting grooves; 31. a first groove; 32. a second groove; 4. a diode; 41. a terminal; 5. a junction box body.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1, the utility model provides a diode fixed knot constructs, including conducting strip 1, briquetting 2 and mounting

groove

3, 2 detachably of briquetting install on conducting strip 1, and mounting groove 3 is one at least, including the first recess 31 and the second recess 32 that set up in pairs, first recess 31 is seted up on briquetting 2, and second recess 32 is seted up on conducting strip 1, and when briquetting 2 installed in conducting strip 1, first recess 31 and second recess 32 lock to the 4 wiring ends 41 of diode that interference fit put into.

The utility model provides a diode fixed knot constructs mainly by conducting strip 1, briquetting 2 and mounting groove 3 constitution, wherein be equipped with mounting groove 3 between briquetting 2 and the conducting strip 1, first recess 31 and the second recess 32 of mounting groove 3 set up respectively on briquetting 2 and conducting strip 1 relatively, because briquetting 2 and conducting strip 1 can be dismantled and be connected, therefore, when needing to install fixed diode 4, only need to put into first recess 31 or second recess 32 with wiring end 41 of diode 4 first, then install briquetting 2 on conducting strip 1 can, at this moment, wiring end 41 is under the interference fit of mounting groove 3, combine the fixed of briquetting 2 and conducting strip 1, thereby can realize firm installation; when the abnormity needs to be checked or the diode 4 needs to be replaced, the pressing block 2 only needs to be separated from the conducting strip 1.

The detachable connection between the pressing block 2 and the conducting strip 1 can be a threaded connection, a snap connection or a nested connection. In consideration of the convenience of operation, a detachable connection manner of sleeving the pressing block 2 on the outer side of the conducting strip 1 is adopted in the embodiment, as shown in fig. 1 or 2 specifically: the edge of the pressing block 2 is provided with at least two buckling pieces 21 which are used for buckling with the conducting strip 1, and the two buckling pieces 21 are arranged on two sides of the pressing block in a diagonal shape. And the fastener 21 is preferably integrally formed with the press block 2, that is, formed by extending the press block 2, so as to stably fasten the press block 2 to the conductive plate 1, certainly, in order to make the connection between the press block 2 and the conductive plate 1 more tight, one fastener 21 may be respectively disposed at the end portions of both sides of the press block 2, that is, 4 fasteners 21 are disposed on the press block 2, in this embodiment, the fastener 21 is preferably an elastic sheet, so as to facilitate the detachment and fastening of the press block 2, of course, a limiting protrusion 22 for making the fastening more stable may be disposed on the inner wall of the fastener 21, where the inner wall is a side wall of the fastener 21 contacting with the conductive plate 1, and the limiting protrusion 22 may be in various forms, for example, a plurality of convex columns extending perpendicular to the inner wall of the fastener 21, after the fastener 21 is fastened with the conductive plate 1, the convex columns are located below the conductive plate 1, that is the conductive plate 1 clamped between the convex columns and the body of the press block 2, avoid fastening inadequately because of buckle spare 21, the problem that conducting strip 1 takes place not hard up and drops, spacing arch 22 also can be for following the sand grip of buckle spare 21 inner wall horizontal extension, and the limiting displacement of sand grip and projection is unanimous, and in addition, the sand grip can also play the effect of direction, and the fixed effect of sand grip is better.

Considering that a plurality of diode fixing structures are required in each junction box to fix a plurality of diodes 4, and a common diode 4 is exemplified by a point contact diode, the point contact diode is formed by pressing and contacting a metal pin on a single crystal wafer of germanium or silicon material, and then performing a current method, and often has two terminals 41 arranged oppositely, and the terminals 41 are cylindrical, therefore, in this embodiment, two mounting grooves 3 are arranged on each diode fixing structure, the two mounting grooves 3 are arranged in parallel, and the mounting grooves 3 on two adjacent diode fixing structures are arranged correspondingly one to one, i.e. the first grooves 31 on two adjacent pressing blocks 2 and the second grooves 32 on two adjacent conducting plates 1 are arranged correspondingly, and the cross sections of the first grooves 31 and the second grooves 32 are semicircular, so that, in a plurality of diode fixing structures in a plurality of junction boxes, except that the diode fixing structures arranged at the two ends can be provided with one mounting groove 3, the rest of the diode fixing structures are correspondingly provided with two mounting grooves 3, and the two wiring terminals 41 of each diode 4 can be mechanically fixed.

Example 2

As shown in fig. 3, the present embodiment provides a junction box for a solar cell module, which includes a junction box body 5, a diode 4, and a plurality of diode fixing structures as described in embodiment 1 or embodiment 2, the diode fixing structures are fixed in the junction box body 5, and a terminal 41 of the diode 4 is embedded in a mounting groove 3 of two adjacent diode fixing structures. The utility model provides a wiring end installation of solar module terminal box is firm, and the convenient science of connected mode has better security performance.

In order to improve the installation speed and optimize the structure of the junction box of the solar cell module, a plurality of diode fixing structures can be arranged in a row, in order to simplify the production process, only one installation groove can be arranged on the diode fixing structure positioned at the end part of the row, and the rest two installation grooves are correspondingly arranged.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a diode fixed knot constructs, its characterized in that, includes conducting strip, briquetting and mounting groove, briquetting detachably install in on the conducting strip, the mounting groove is one at least, including first recess and the second recess that sets up in pairs, first recess set up in on the briquetting, the second recess set up in on the conducting strip, work as the briquetting install in during the conducting strip, first recess with second recess lock to the diode wiring end that interference fit put into.

2. The diode fixing structure of claim 1, wherein the pressing block is sleeved outside the conductive sheet, and at least two locking members are disposed on an edge of the pressing block for locking with the conductive sheet, and the two locking members are disposed diagonally opposite to each other on two sides of the pressing block.

3. The diode fixing structure according to claim 2, wherein the locking member is an elastic piece.

4. The diode fixing structure as claimed in claim 2, wherein a limiting protrusion is provided on an inner wall of the fastening member to fasten the fastening.

5. The diode fixing structure of claim 4, wherein the limiting protrusion is a convex pillar extending perpendicular to the inner wall of the fastener or a convex rib extending horizontally along the inner wall of the fastener.

6. The diode fixing structure according to claim 1, wherein there are two mounting grooves, and the first grooves on two adjacent press blocks are corresponding to the second grooves on two adjacent conductive sheets one to one.

7. The diode fixation structure of any one of claims 1-6, wherein the diode is a pillar diode.

8. The diode fixation structure of claim 1, wherein the first and second grooves are each semi-circular in cross-section.

9. A junction box of a solar cell module, which is characterized by comprising a junction box body, diodes and a plurality of diode fixing structures as claimed in any one of claims 1 to 6 or 8, wherein the diode fixing structures are fixed in the junction box body, and the wiring ends of the diodes are embedded in mounting grooves in two adjacent diode fixing structures.

10. The junction box of claim 9, wherein the plurality of diode fixing structures are arranged in a row, only one of the mounting slots is disposed on the diode fixing structure at the end of the row, and two of the mounting slots are disposed on the other diode fixing structure.