Photovoltaic junction box

Abstract

A photovoltaic junction box is characterized in that two sides of a junction box main body are provided with wire holes and a protection assembly, the protection assembly comprises a conical sleeve and a driving ring, the conical sleeve is fixedly provided with a fixing seat, the inner wall of the conical sleeve is fixedly provided with a sealing ring, the rear end of the conical sleeve is symmetrically provided with a plurality of first positioning blocks, and the first positioning blocks are fixedly arranged on the fixing seat. A plurality of supporting rods inserted into the conical sleeve are arranged on the fixing base, clamping blocks are fixedly arranged at the lower ends of the supporting rods, patch cords on the junction box body can penetrate through the wire holes and then penetrate through the conical sleeve and the sealing ring, at the moment, the patch cords extrude the sealing ring, and the conical sleeve is fixed to the junction box body. And at the moment, a sealing structure can be provided for the wire hole through the arranged conical sleeve and the sealing ring, so that external moisture is not easy to enter the junction box main body through the wire hole in cloudy and rainy days, and the electronic parts in the junction box main body are prevented from being affected with damp to cause faults.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box. Background Art

[0002] The photovoltaic junction box is a connector between the solar cell array formed by the solar cell modules and the solar charging control device. The power generated by the solar cell modules is connected to the external circuit through the junction box, that is, the module lead wire is connected to the internal circuit of the junction box, and the internal circuit of the junction box is connected to the external circuit.

[0003] The patent with publication number CN114884460A proposes a photovoltaic junction box, which relates to the field of photovoltaic power generation technology, including a box body, a box cover, a terminal assembly, a SMD diode, a placement rack and a junction assembly...with good heat resistance.

[0004] When the above-mentioned junction box is in use, the wiring holes lack a sealing structure. In rainy weather, external moisture can easily enter the box body through the wiring holes. The electronic components in the box body are prone to malfunction after being damp, making the photovoltaic junction box unstable when in use. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a photovoltaic junction box.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic junction box, comprising a junction box body, wire holes and a protective component are provided on both sides of the junction box body, the protective component comprises a conical sleeve and a driving ring, a fixing seat is fixedly arranged on the conical sleeve, a sealing ring is fixedly arranged on the inner wall of the conical sleeve, a plurality of first positioning blocks are symmetrically arranged at the rear end of the conical sleeve, a plurality of support rods inserted into the interior of the conical sleeve are arranged on the fixing seat, a clamping block is fixedly arranged at the lower end of the support rod, a guide block is fixedly arranged at the upper end of the support rod, two annular plates are symmetrically arranged on the inner wall of the driving ring, the annular plates are rotatably connected to the fixing seat, a plurality of arc grooves are provided on the annular plate, the arc grooves are penetrated by the two ends of the guide block, and the two ends of the guide block can slide in the arc grooves, a plurality of second positioning blocks are symmetrically arranged on the driving ring, and the first positioning block and the second positioning block are both fixed on the outer wall of the junction box body.

[0009] In order to facilitate the fixing of the positions of the tapered sleeve and the drive ring, the present invention is improved in that the first positioning block and the second positioning block are respectively fixed to the outer wall of the junction box body by screws.

[0010] In order to make the sealing ring installed more firmly, the utility model is improved in that an annular groove is provided on the inner wall of the conical sleeve, and the sealing ring is bonded to the inside of the annular groove.

[0011] Furthermore, the present invention is improved in that the sealing ring is made of rubber.

[0012] Furthermore, the utility model has the following improvements: the conical sleeve and the drive ring are both made of plastic.

[0013] Furthermore, the utility model is improved in that the outer wall of the driving ring is provided with anti-slip grooves.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a photovoltaic junction box, which has the following beneficial effects:

[0016] In the photovoltaic junction box, the adapter wire on the junction box body will pass through the wire hole, and then the adapter wire will pass through the conical sleeve and the sealing ring. At this time, the adapter wire will squeeze the sealing ring to fix the conical sleeve on the junction box body. At this time, the conical sleeve and the sealing ring can provide a sealing structure for the wire hole. In rainy weather, external moisture is not easy to enter the junction box body through the wire hole, so as to avoid the failure of electronic parts in the junction box body due to moisture.

[0017] Rotate the drive ring, and the guide block will slide to the bottom of the arc groove. At this time, multiple clamping blocks can provide a clamping effect for the adapter wire in the tapered sleeve, and then fix the drive ring. This can prevent the adapter wire from falling off the junction box body when subjected to external force, and can improve the stability of the junction box body when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view of the three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 The main view;

[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0021] Figure 4 This is a schematic diagram of the installation structure of the clamping block in the utility model;

[0022] In the figure: 1. terminal box body; 2. wire hole; 3. conical sleeve; 4. sealing ring; 5. first positioning block; 6. fixing seat; 7. support rod; 8. clamping block; 9. guide block; 10. driving ring; 11. second positioning block; 12. arc groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , a photovoltaic junction box of the utility model comprises a junction box body 1, wire holes 2 and protective components are arranged on both sides of the junction box body 1, the protective components comprise a conical sleeve 3 and a driving ring 10, a fixing seat 6 is fixedly arranged on the conical sleeve 3, a sealing ring 4 is fixedly arranged on the inner wall of the conical sleeve 3, a plurality of first positioning blocks 5 are symmetrically arranged at the rear end of the conical sleeve 3, a plurality of support rods 7 inserted into the conical sleeve 3 are arranged on the fixing seat 6, a clamping block 8 is fixedly arranged at the lower end of the support rod 7, a guide block 9 is fixedly arranged at the upper end of the support rod 7, two annular plates are symmetrically arranged on the inner wall of the driving ring 10 for the support rod 7, the annular plates are rotatably connected to the fixing seat 6, a plurality of arc grooves 12 are arranged on the annular plate, the arc groove 12 is penetrated by the two ends of the guide block 9, and the two ends of the guide block 9 can slide in the arc groove 12, a plurality of second positioning blocks 11 are symmetrically arranged on the driving ring 10, and the first positioning block 5 and the second positioning block 11 are both fixed on the outer wall of the junction box body 1;

[0025] In this structure, the adapter wire on the junction box body 1 will pass through the wire hole 2, and then the adapter wire will pass through the tapered sleeve 3 and the sealing ring 4. At this time, the adapter wire will squeeze the sealing ring 4 to fix the tapered sleeve 3 on the junction box body 1. At this time, the tapered sleeve 3 and the sealing ring 4 can provide a sealing structure for the wire hole 2. In rainy weather, external moisture is not easy to enter the junction box body 1 through the wire hole 2, so as to avoid the failure of the electronic parts in the junction box body 1 due to moisture.

[0026] After the conical sleeve 3 is installed, the drive ring 10 is rotated, and the guide block 9 will slide to the bottom of the arc groove 12. At this time, multiple clamping blocks 8 can provide a clamping effect for the adapter wire in the conical sleeve 3, and then the drive ring 10 can be fixed. This can prevent the adapter wire from falling off the junction box body 1 when subjected to external force, and can improve the stability of the junction box body 1 when in use.

[0027] In this structure, the first positioning block 5 and the second positioning block 11 are respectively fixed to the outer wall of the junction box body 1 by screws, and the screw fixing method can facilitate the position fixation of the tapered sleeve 3 and the driving ring 10.

[0028] Furthermore, an annular groove is provided on the inner wall of the conical sleeve 3, and the sealing ring 4 is bonded inside the annular groove, so that the sealing ring 4 can be installed more firmly.

[0029] Furthermore, the sealing ring 4 can be made of rubber, and the conical sleeve 3 and the driving ring 10 can be made of plastic.

[0030] Furthermore, the outer wall of the driving ring 10 is provided with anti-slip grooves, which can make the driving ring 10 easy to operate.

[0031] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A photovoltaic junction box, comprising a junction box body (1), characterized in that: The junction box body (1) is provided with wire holes (2) and protective components on both sides, and the protective components include a conical sleeve (3) and a drive ring (10). A fixing seat (6) is fixedly arranged on the conical sleeve (3), a sealing ring (4) is fixedly arranged on the inner wall of the conical sleeve (3), a plurality of first positioning blocks (5) are symmetrically arranged at the rear end of the conical sleeve (3), a plurality of support rods (7) inserted into the interior of the conical sleeve (3) are arranged on the fixing seat (6), a clamping block (8) is fixedly arranged at the lower end of the support rod (7), and a sealing ring (4) is fixedly arranged at the upper end of the support rod (7). A guide block (9) is fixedly arranged, and two annular plates are symmetrically arranged on the inner wall of the driving ring (10) and the support rod (7), and the annular plates are rotatably connected to the fixing seat (6), and a plurality of arc grooves (12) are arranged on the annular plates, and the arc grooves (12) are penetrated by the two ends of the guide block (9), and the two ends of the guide block (9) can slide in the arc grooves (12), and a plurality of second positioning blocks (11) are symmetrically arranged on the driving ring (10), and the first positioning block (5) and the second positioning block (11) are both fixed on the outer wall of the junction box body (1).

2. A photovoltaic junction box according to claim 1, characterized in that: The first positioning block (5) and the second positioning block (11) are respectively fixed to the outer wall of the junction box body (1) by means of screws.

3. A photovoltaic junction box according to claim 2, characterized in that: An annular groove is provided on the inner wall of the conical sleeve (3), and the sealing ring (4) is bonded inside the annular groove.

4. A photovoltaic junction box according to claim 3, characterized in that: The sealing ring (4) is made of rubber.

5. A photovoltaic junction box according to claim 4, characterized in that: The conical sleeve (3) and the drive ring (10) are both made of plastic.

6. A photovoltaic junction box according to claim 5, characterized in that: The outer wall of the driving ring (10) is provided with anti-slip grooves.

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