CN221283147U

CN221283147U - Junction box assembly

Info

Publication number: CN221283147U
Application number: CN202322883661.0U
Authority: CN
Inventors: 赵林林; 王永东; 尹景伟; 杨咏梅; 王晶晶; 黄林源; 杨戎戈; 顾春锋; 丁昌言
Original assignee: Yangzhou Branch Of Jiangsu Bureau Of Hydrology And Water Resources
Current assignee: Yangzhou Branch Of Jiangsu Bureau Of Hydrology And Water Resources
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-07-05
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a junction box assembly in the technical field of power equipment. The junction box assembly comprises a box body, wherein a box cover is arranged at the top of the box body, a solar panel is arranged on the box cover, a diode and a photovoltaic cell pack are arranged in the box body, and the solar panel is electrically connected with the photovoltaic cell pack; the photovoltaic battery pack is provided with a power supply positive electrode connector and a power supply negative electrode connector, the power supply positive electrode connector is connected with a power supply output positive electrode through a positive cable, the power supply negative electrode connector is connected with a power supply output negative electrode through a negative cable, the power supply output positive electrode and the power supply output negative electrode are both arranged inside a box body, the power supply output positive electrode and the power supply output negative electrode are both connected with a plug through power supply output line electrical connection, the plug is movably arranged outside the box body, the power supply output line is wound inside the box body, and the power supply output line is provided with a winding mechanism for winding the power supply output line. The utility model has the advantages of prolonged service life and convenient operation.

Description

Junction box assembly

Technical Field

The utility model relates to the technical field of power equipment, in particular to a junction box assembly.

Background

The junction box is very important in the composition of the photovoltaic module, and is mainly used for outputting the electric power generated by the solar cells in the photovoltaic module to an external circuit. The existing junction box is of an integrated structure, the box body is provided with an anode interface and a cathode interface, and an external lead is connected to the anode interface and the cathode interface and can be communicated with external equipment.

However, the positive electrode interface and the negative electrode interface belong to external interfaces, so that the interfaces are easy to damage after long-term use in an outdoor environment, the whole junction box needs to be replaced once damaged, the service life is short, and the positive electrode interface and the negative electrode interface are required to be in butt joint respectively during wiring, so that the operation is very inconvenient.

Disclosure of utility model

The utility model aims to provide a junction box assembly which has the advantages of prolonged service life and convenient operation.

In order to achieve the above object, the terminal box assembly of the present utility model adopts the following technical scheme:

The junction box assembly comprises a box body, wherein a box cover is arranged at the top of the box body, a solar panel is arranged on the box cover, a diode and a photovoltaic cell pack are arranged in the box body, and the solar panel is electrically connected with the photovoltaic cell pack; the photovoltaic battery pack is provided with a power supply positive electrode connector and a power supply negative electrode connector, the power supply positive electrode connector is connected with a power supply output positive electrode through a positive cable, the power supply negative electrode connector is connected with a power supply output negative electrode through a negative cable, the power supply output positive electrode and the power supply output negative electrode are arranged inside a box body, the power supply output positive electrode and the power supply output negative electrode are respectively connected with a plug through power supply output line electrical connection, the plugs are movably arranged outside the box body, the power supply output lines are wound inside the box body, and the power supply output lines are provided with a winding mechanism for winding the power supply output positive electrode and the power supply output negative electrode.

Preferably, the winding mechanism comprises a bracket arranged in the box body, the bracket is rotationally provided with a rotary drum through a rotary shaft, and the periphery of the rotary drum winds a power output line.

Preferably, one end of the rotating shaft is provided with a volute spring, one end of the volute spring is fixed with the rotating shaft, and the other end of the volute spring is fixed with a bracket.

Preferably, the rotating shaft is provided with a ratchet mechanism, the ratchet mechanism comprises a ratchet and a pawl, the ratchet is arranged at the end part of the rotating shaft, the pawl is inserted into a tooth slot of the ratchet through the rotating shaft, the rotating shaft is rotatably arranged on the box body, one end of the rotating shaft is connected with the pawl, the other end of the rotating shaft penetrates out of the box body and is provided with a handle, a limit block and a fixed block which are arranged at intervals are arranged at the position of the box body close to the handle, a movable space is reserved between the limit block and the fixed block, and the lower end of the handle is arranged in the movable space; the adjusting bolt is connected to the screw thread on the fixed block, one end of the adjusting bolt is located in the movable space and is provided with a pressing plate, and the adjusting bolt can drive the pressing plate to tightly prop the handle on the limiting block.

Preferably, the rotating shaft is provided with a torsion spring, one end of the torsion spring is fixedly connected to the rotating shaft, and the other end of the torsion spring is fixed on the box body.

Preferably, the box body is provided with a through hole which is convenient for the quick connector to pass through, the position of the through hole is provided with a protective cover for protecting the quick connector, the bottom of the protective cover is provided with a slotted hole which is convenient for the power output line to pass out, the protective cover comprises an upper cover and a lower cover, the lower cover is fixed on the outer wall of the box body, and the upper cover can be detachably arranged on the box body; the slotted hole comprises a first clamping groove arranged at the bottom of the upper cover, and further comprises a second clamping groove arranged at the edge of the lower cover and opposite to the first clamping groove, a first rubber ring is arranged in the first clamping groove, a second rubber ring is arranged in the second clamping groove, and the power output line is respectively contacted with the first rubber ring and the second rubber ring. The utility model protects the position of the quick-plug interface through the protective cover.

Preferably, an upper sealing ring is arranged at the position of the upper cover edge, which is used for contacting with the lower cover, and a lower sealing ring is arranged at the position of the lower cover edge, which is used for contacting with the upper cover, and the lower sealing ring is contacted with the upper sealing ring.

Preferably, the box body is equipped with the installation chimb, and upper shield inner wall and installation chimb outer wall close-fitting, the outside end of installation chimb is equipped with the round sealing edge, and the sealing edge contacts with the upper shield inner wall.

Preferably, the quick-connect plug is a male connector or a female connector. The quick butt joint is realized by adopting a male connector or a female connector.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the power output positive electrode and the power output negative electrode are arranged in the box body, and then are electrically connected with the quick-connection plug through the power output line, so that the quick-connection plug is arranged to provide quick connection with external equipment, and the operation is convenient; in addition, the built-in power output anode and power output cathode are not easily damaged by the external environment, even if damaged, the built-in power output anode and power output cathode can be replaced by a quick-connection plug, and the service life is prolonged;

2. the utility model is provided with a split structure, and the box body and the box cover are assembled to form the box, thereby being convenient for maintenance and local replacement;

3. The quick-connection plug is movably arranged outside the box body through the power output line, and the power output line is wound inside the box body, so that the power output line can be longer, and the installation position of the junction box can be fixed, so that the longer power output line provides diversified wiring, and the quick-connection plug is convenient and practical; moreover, the power output line is wound through the winding mechanism, so that the power output line is conveniently stored.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a schematic drawing showing the power output line;

FIG. 3 is a schematic view of the structure of the handle and the stopper;

FIG. 4 is a schematic view of the installation of a protective cover;

FIG. 5 is a bottom view of FIG. 4;

fig. 6 is an enlarged view of a portion a of fig. 1;

FIG. 7 is a section B-B of FIG. 4;

fig. 8 is a cross-sectional view of fig. 4C-C.

The solar panel comprises a solar panel body, a rotating drum, a power output line 3, a volute spring 4, a quick-connection plug 5, a support 6, a negative cable 7, a power negative connector 8, a power positive connector 9, a positive cable 10, a photovoltaic battery pack 11, a power output positive electrode 12, a power output negative electrode 13, a box body 14, a box cover 15, a through hole 16, a protective cover 17a upper cover 17b, a lower cover 17c, an upper sealing ring 17d, a lower sealing ring 17e, a slotted hole 17f, a first rubber ring 17g, a first clamping groove 17h, a second clamping groove 17i, a second rubber ring 17i, a mounting convex edge 18, a sealing edge 19, a ratchet wheel 20, a pawl 21, a rotating shaft 22, a torsion spring 23, a handle 24, a diode 25, a limiting block 26, an adjusting bolt 27, a movable spacing 28, a pressing plate 29, a fixed block 30 and a rotating shaft 31.

Detailed Description

The present utility model is further illustrated below in conjunction with the specific embodiments, it being understood that these embodiments are meant to be illustrative of the utility model only and not limiting the scope of the utility model, and that modifications of the utility model, which are equivalent to those skilled in the art to which the utility model pertains, will fall within the scope of the utility model as defined in the appended claims.

As shown in fig. 1-8, a junction box assembly comprises a box body 14, wherein a box cover 15 is arranged at the top of the box body 14, a solar panel 1 is arranged on the box cover 15, a diode 25 and a photovoltaic cell 11 are arranged in the box body 14, and the solar panel 1 is electrically connected with the photovoltaic cell 11; The photovoltaic battery pack 11 is provided with a power positive electrode joint 9 and a power negative electrode joint 8, the power positive electrode joint 9 is connected with a power output positive electrode 12 through a positive cable 10, the power negative electrode joint 8 is connected with a power output negative electrode 13 through a negative cable 7, the power output positive electrode 12 and the power output negative electrode 13 are both arranged inside a box body 14, the power output positive electrode 12 and the power output negative electrode 13 are electrically connected with a quick connector plug 5 through a power output line 3, the quick connector plug 5 is a male joint or a female joint, the quick connector plug 5 is movably arranged outside the box body 14, the power output line 3 is wound inside the box body 14, and the power output line 3 is provided with a winding mechanism for winding the quick connector plug; The winding mechanism comprises a bracket 6 arranged in a box body 14, the bracket 6 is rotatably provided with a rotary drum 2 through a rotary shaft 31, and the periphery of the rotary drum 2 winds a power output line 3; one end of the rotating shaft 31 is provided with a volute spring 4, one end of the volute spring 4 is fixed with the rotating shaft 31, and the other end of the volute spring 4 is fixed with a bracket 6; the rotating shaft 31 is provided with a ratchet mechanism, the ratchet mechanism comprises a ratchet 20 and a pawl 21, the ratchet 20 is arranged at the end part of the rotating shaft 31, the pawl 21 is inserted into a tooth slot of the ratchet 20 through the rotating shaft 22, the rotating shaft 22 is rotatably arranged on the box body 14, one end of the rotating shaft 22 is connected with the pawl 21, the other end of the rotating shaft 22 penetrates out of the box body 14 to be provided with a handle 24, a limit block 26 and a fixed block 30 which are arranged at intervals are arranged at the position of the box body 14 close to the handle 24, a movable space 28 is reserved between the limit block 26 and the fixed block 30, and the lower end of the handle 24 is arranged in the movable space 28; The fixed block 30 is in threaded fit with an adjusting bolt 27, one end of the adjusting bolt 27 is positioned in the movable space 28 and is provided with a pressing plate 29, and the adjusting bolt 27 can drive the pressing plate 29 to press the handle 24 against the limiting block 26; the rotating shaft 22 is provided with a torsion spring 23, one end of the torsion spring 23 is fixedly connected to the rotating shaft 22, and the other end of the torsion spring 23 is fixed on the box body 14; the box body 14 is provided with a through hole 16 which is convenient for the quick connector 5 to pass through, the position of the through hole 16 is provided with a protective cover 17 for protecting the quick connector, the bottom of the protective cover 17 is provided with a slotted hole 17e which is convenient for the power output line 3 to pass out, the protective cover 17 comprises an upper cover 17a and a lower cover 17b, the lower cover 17b is fixed on the outer wall of the box body 14, and the upper cover 17a can be detachably arranged on the box body 14; The slot 17e comprises a first clamping groove 17g arranged at the bottom of the upper cover 17a, the slot 17e also comprises a second clamping groove 17h arranged at the edge of the lower cover 17b and opposite to the first clamping groove 17g, a first rubber ring 17f is arranged in the first clamping groove 17g, a second rubber ring 17i is arranged in the second clamping groove 17h, and the power output line 3 is respectively contacted with the first rubber ring 17f and the second rubber ring 17 i; an upper sealing ring 17c is arranged at the edge of the upper cover 17a for contacting the lower cover 17b, a lower sealing ring 17d is arranged at the edge of the lower cover 17b for contacting the upper cover 17a, and the lower sealing ring 17d is contacted with the upper sealing ring 17 c; The box body 14 is provided with a mounting convex edge 18, the inner wall of the upper cover 17a is tightly matched with the outer wall of the mounting convex edge, the outer side end of the mounting convex edge 18 is provided with a circle of sealing edge 19, and the sealing edge 19 is contacted with the inner wall of the upper cover 17 a.

The specific working process and principle of the utility model are as follows: the rotating handle 24 drives the rotating shaft 22 to rotate so as to drive the pawl 21 to rotate, so that the pawl 21 is separated from the ratchet 20, at the moment, the power output line 3 can be pulled out by pulling the quick connection plug 5, the power output line 3 penetrates out of the box body 14 under the rotation of the rotary drum 2, then the quick connection plug 5 is abutted to external equipment, the handle 24 is loosened, under the action of the torsion spring 23, the released elastic potential energy acts on the rotating shaft 22, the pawl 21 is driven to be inserted into a tooth socket of the ratchet 20, the handle 24 is driven to be contacted with the limiting block 26, and finally, the adjusting bolt 27 is used for driving the pressing plate 29 to push the handle 24 against the limiting block 26, at the moment, the pawl 21 inserted into the tooth socket of the ratchet 20 prevents the rotation of the ratchet 20, the rotary drum 2 can not rotate, and the power output line 3 can not be retracted; when the released power output line 3 needs to be retracted, the driving adjusting bolt 27 does not press the handle 24 any more, the handle 24 is driven to rotate in the movable space 28, the handle 24 drives the rotating shaft 22 to rotate, the pawl 21 is separated from the ratchet 20, at the moment, under the action of the volute spring 4, the released elastic potential energy acts on the rotating shaft 31, and the rotating drum 2 is driven to rotate to wind the power output line 3, so that the power output line 3 can be automatically retracted into the box 14.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A junction box assembly, characterized in that: the solar energy photovoltaic box comprises a box body, wherein a box cover is arranged at the top of the box body, a solar panel is arranged on the box cover, a diode and a photovoltaic cell pack are arranged in the box body, and the solar panel is electrically connected with the photovoltaic cell pack; the photovoltaic battery pack is provided with a power supply positive electrode connector and a power supply negative electrode connector, the power supply positive electrode connector is connected with a power supply output positive electrode through a positive cable, the power supply negative electrode connector is connected with a power supply output negative electrode through a negative cable, the power supply output positive electrode and the power supply output negative electrode are arranged inside a box body, the power supply output positive electrode and the power supply output negative electrode are respectively connected with a plug through power supply output line electrical connection, the plugs are movably arranged outside the box body, the power supply output lines are wound inside the box body, and the power supply output lines are provided with a winding mechanism for winding the power supply output positive electrode and the power supply output negative electrode.

2. The terminal block assembly of claim 1, wherein: the winding mechanism comprises a support arranged in the box body, a rotary drum is rotatably arranged on the support through a rotary shaft, and a power output line is wound on the periphery of the rotary drum.

3. The terminal block assembly of claim 2, wherein: one end of the rotating shaft is provided with a volute spring, one end of the volute spring is fixed with the rotating shaft, and the other end of the volute spring is fixed with a bracket.

4. A junction box assembly according to claim 3, wherein: the rotating shaft is provided with a ratchet mechanism, the ratchet mechanism comprises a ratchet and a pawl, the ratchet is arranged at the end part of the rotating shaft, the pawl is inserted into a tooth slot of the ratchet through the rotating shaft, the rotating shaft is rotatably arranged on the box body, one end of the rotating shaft is connected with the pawl, the other end of the rotating shaft penetrates out of the box body and is provided with a handle, a limit block and a fixed block which are arranged at intervals are arranged at the position, close to the handle, of the box body, a movable space is reserved between the limit block and the fixed block, and the lower end of the handle is arranged in the movable space; the adjusting bolt is connected to the screw thread on the fixed block, one end of the adjusting bolt is located in the movable space and is provided with a pressing plate, and the adjusting bolt can drive the pressing plate to tightly prop the handle on the limiting block.

5. The terminal block assembly of claim 4, wherein: the rotary shaft is provided with a torsion spring, one end of the torsion spring is fixedly connected to the rotary shaft, and the other end of the torsion spring is fixed on the box body.

6. The terminal block assembly of claim 1, wherein: the box body is provided with a through hole which is convenient for a quick connector to pass through, the through hole is provided with a protective cover for protecting the quick connector, the bottom of the protective cover is provided with a slotted hole which is convenient for a power output line to pass out, the protective cover comprises an upper cover and a lower cover, the lower cover is fixed on the outer wall of the box body, and the upper cover can be detachably arranged on the box body; the slotted hole comprises a first clamping groove arranged at the bottom of the upper cover, and further comprises a second clamping groove arranged at the edge of the lower cover and opposite to the first clamping groove, a first rubber ring is arranged in the first clamping groove, a second rubber ring is arranged in the second clamping groove, and the power output line is respectively contacted with the first rubber ring and the second rubber ring.

7. The terminal block assembly of claim 6, wherein: the upper cover edge is used for being contacted with the lower cover, the lower cover edge is used for being contacted with the upper cover, and the lower sealing ring is contacted with the upper sealing ring.

8. The terminal block assembly of claim 7, wherein: the box body is equipped with the installation chimb, and upper shield inner wall and installation chimb outer wall close-fitting, the outside end of installation chimb is equipped with round sealing edge, and the sealing edge contacts with the upper shield inner wall.

9. The terminal block assembly of claim 1, wherein: the quick-connect plug is a male connector or a female connector.