CN216599545U

CN216599545U - Wiring device

Info

Publication number: CN216599545U
Application number: CN202123265267.8U
Authority: CN
Inventors: 黄东梅
Original assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc; Atlas Sunshine Power Group Co Ltd
Current assignee: CSI Cells Co Ltd; Canadian Solar Inc; Canadian Solar Manufacturing Changshu Inc
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-24
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a wiring device belongs to terminal box technical field. The utility model discloses a wiring device, including terminal box and cable, the one end of cable is connected with the terminal box, still includes receipts line spare, spool and locating part, and the spool is rotationally located and is received the line spare, and the spool is equipped with the line hole, and the cable is worn to locate in the line hole to make the cable can wind in the outside of spool, or make the cable can wind from the spool down; the limiting piece is used for locking or unlocking the winding shaft and the winding piece. The cable of the junction box is arranged on the winding reel in a penetrating mode, and when the cable needs to be short, the cable can be wound on the outer side of the winding reel; when long cables are needed, the cables can be wound off from the winding reel, the winding reel and the wire collecting piece can be locked by the limiting piece, the winding reel is prevented from loosening, the cable fixing function is achieved, the purpose of conveniently adjusting the length of the junction box cables is achieved, and the requirements of a supply end, an assembly end and an application end can be met simultaneously.

Description

Wiring device

Technical Field

The utility model relates to a terminal box technical field especially relates to a termination.

Background

Photovoltaic module has multiple different mounting means when in actual use, and different mounting means have different requirements to terminal box cable length, consequently need use different terminal boxes, lead to the terminal box specification numerous, and can't unify, increased assembly factory processing cost and degree of difficulty.

In order to solve the above problems, a general component factory may use a cable with the longest requirement as a standard cable to meet the installation requirements of different components, but the cable is long and has the following problems:

1) the supplier needs to manually coil the line when delivering the goods, and great manpower is consumed.

2) The coil can pat the photovoltaic module during the production and transportation of the photovoltaic module, resulting in the hidden crack of the photovoltaic module.

3) When the power station is installed, redundant cables need to be coiled and fixed, and time is consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a termination can adjust the cable length of terminal box conveniently to satisfy the demand of supply end, subassembly end, application end simultaneously.

In order to realize the purpose, the following technical scheme is provided:

a wiring device including a terminal block and a cable, one end of the cable being connected to the terminal block, the wiring device further comprising:

a wire take-up member;

the winding shaft is rotatably arranged on the wire collecting piece and provided with a wire passing hole, and the cable is arranged in the wire passing hole in a penetrating mode so that the cable can be wound on the outer side of the winding shaft or wound off the winding shaft;

and the limiting part is used for locking or unlocking the winding shaft and the winding part.

As an alternative to the wire connecting device, the wire take-up member includes a case body, and the spool is rotatably provided to the case body;

the part of the winding shaft in the box body is provided with the wire passing hole, and one side of the box body is provided with at least one inlet and outlet for the cable to enter and exit the box body.

As an alternative of the wiring device, the first end of the winding shaft is convexly arranged on the outer side of the box body; the box body is provided with a plurality of limiting holes which are arranged at intervals along the circumferential direction of the winding shaft;

the limiting part is of an L-shaped structure, one end of the limiting part penetrates through the first end of the winding shaft and can rotate relative to the winding shaft, and therefore the other end of the limiting part can be inserted into any limiting hole or pulled out of the limiting hole.

As an alternative to the junction device, the box is of cylindrical configuration, the axis of the box coinciding with the axis of the spool.

As an alternative to the wiring connection device, the case includes:

the two wire blocking plates are opposite and arranged at intervals;

at least one connecting plate, at least one the connecting plate all connects in two between the fender board, and at least one the connecting plate is followed the circumference of fender board is located in proper order the edge of fender board, in order to two the week side of fender board forms at least one import and export.

As an alternative of the wiring device, the number of the inlet and the outlet is two, and the two inlet and the outlet are arranged oppositely.

As an alternative of the wiring device, two ends of the winding shaft are respectively and rotatably connected with the two wire blocking plates.

As an alternative of the wiring device, a winding section is arranged in the middle of the winding shaft, and the outer diameter of the winding section is larger than the outer diameters of two ends of the winding shaft;

the wire winding section is provided with the wire passing hole.

As an alternative to the wiring device, the axis of the wire passing hole is perpendicular to the axis of the spool.

As an alternative of the wiring device, two ends of the connecting plate are welded with the two wire baffle plates by ultrasonic waves.

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

the utility model discloses a wiring device, the cable of the junction box is arranged on the winding reel in a penetrating way, when the short cable is needed, the cable can be wound on the outer side of the winding reel; when long cables are needed, the cables can be wound off from the winding reel, the winding reel and the wire collecting piece can be locked by the aid of the limiting pieces, the winding reel is prevented from loosening, the cable fixing device has the effect of fixing the cables, the purpose of conveniently adjusting the length of the junction box cables is achieved, and requirements of a supply end, an assembly end and an application end can be met simultaneously.

Drawings

Fig. 1 is a schematic structural view of a wiring device in an embodiment of the present invention;

FIG. 2 is a schematic view of a connection relationship between a cable and a box body according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;

fig. 4 is a cross-sectional view taken along line B-B of fig. 2.

Reference numerals:

1. a junction box; 2. a cable; 3. a box body; 31. an inlet and an outlet; 32. a wire blocking plate; 321. a limiting hole; 33. a connecting plate; 4. a spool; 41. a wire winding section; 411. a wire passing hole; 5. and a limiting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-4, the present embodiment provides a wiring device, which includes a terminal box 1 and a cable 2, wherein one end of the cable 2 is connected to the terminal box 1, the wiring device further includes a wire winding member, a winding reel 4 and a limiting member 5, the winding reel 4 is rotatably disposed on the wire winding member, the winding reel 4 is provided with a wire passing hole 411, the cable 2 is disposed in the wire passing hole 411, so that the cable 2 can be wound on the outer side of the winding reel 4, or the cable 2 can be wound down from the winding reel 4; the limiting piece 5 is used for locking or unlocking the winding shaft 4 and the winding piece.

The cable 2 of the junction box 1 is arranged on the winding reel 4 in a penetrating way, and when the short cable is needed, the cable 2 can be wound on the outer side of the winding reel 4; when long cable is needed, the cable 2 can be wound off from the winding reel 4, the winding reel 4 and the winding part can be locked by the limiting part 5, so that the winding reel 4 is prevented from being loosened, the cable 2 is fixed, the purpose of conveniently adjusting the length of the cable 2 of the junction box 1 is achieved, and the requirements of a supply end, an assembly end and an application end can be met simultaneously.

Optionally, the wire take-up member includes a case 3, and the spool 4 is rotatably provided in the case 3. The part of the winding shaft 4 in the box body 3 is provided with a wire passing hole 411, and one side of the box body 3 is provided with at least one inlet/outlet 31 for the cable 2 to enter and exit the box body 3. Box body 3 can play the supporting role to spool 4, can also accomodate cable 2 inside box body 3, not only has protection and limiting displacement to cable 2 of rolling on spool 4, can avoid cable 2 slippage from spool 4, and the maintenance of being convenient for still can improve termination outward appearance neatly degree.

Alternatively, the box 3 is a cylindrical structure, and the axis of the box 3 is coincident with the axis of the winding shaft 4. Compare with rectangle or other polygonal structure's box body, cylindric box body 3 does not have sharp-pointed edges and corners, can not fish tail operating personnel, can satisfy the demand of accomodating cable 2, can also reduce 3 occupation space of box body.

In order to facilitate the operator to hold and rotate the spool 4, a first end of the spool 4 is protruded to the outside of the case 3. Further, the box body 3 is provided with a plurality of limiting holes 321, and the plurality of limiting holes 321 are arranged at intervals along the circumferential direction of the winding shaft 4. The limiting member 5 is an L-shaped structure, and one end of the limiting member 5 vertically penetrates through the first end of the winding shaft 4 and can rotate relative to the winding shaft 4, so that the other end of the limiting member 5 can be inserted into any limiting hole 321 or pulled out from the limiting hole 321. So set up and be convenient for operating personnel to hold the rotatory reel 4 of locating part 5, after the length of cable 2 satisfied the demand, still can insert the spacing hole 321 that corresponds with the other end of locating part 5 to limit reel 4 and rotate, simple structure, the operation of being convenient for.

Preferably, the plurality of stopper holes 321 are provided at equal intervals in the circumferential direction of the spool 4. With such an arrangement, when the position of the limiting member 5 is switched between any two adjacent limiting holes 321, the extended or shortened lengths of the cables 2 are the same, which is convenient for controlling the length of the cables 2.

In this embodiment, the number of the inlet and outlet 31 is two, and the two inlet and outlet 31 are located at two ends of the box body 3 with the same diameter and are oppositely arranged. Specifically, one end of the cable 2 is connected to the junction box 1, and the other end of the cable enters the box body 3 from one of the inlets and outlets 31, passes through the wire passing hole 411 and is wound on the outer side of the winding reel 4, and finally extends out of the box body 3 from the other inlet and outlet 31. In other embodiments, the two inlets and outlets 31 may also be disposed on the periphery of the box body 3 and located on different diameters of the box body 3, that is, the two inlets and outlets 31 are disposed at an included angle, and the specific arrangement form may be selected according to requirements. Of course, the number of the access 31 may be one, which is equivalent to that the other end of the cable 2 enters the box body 3 from the access 31 and extends out of the box body 3 from the access 31.

Specifically, the box body 3 comprises two line blocking plates 32 and at least one connecting plate 33, wherein the two line blocking plates 32 are arranged oppositely and at intervals; one of the thread blocking plates 32 is provided with a plurality of the limiting holes 321. At least one connecting plate 33 is connected between the two thread blocking plates 32, and the at least one connecting plate 33 is sequentially arranged on the edge of the thread blocking plates 32 along the circumferential direction of the thread blocking plates 32 so as to form at least one inlet/outlet 31 on the circumferential side of the two thread blocking plates 32. The case 3 is formed by at least one connecting plate 33 surrounding the two thread blocking plates 32. In this embodiment, the number of the connecting plates 33 is two, and two of the inlet and outlet ports 31 are formed between the two connecting plates 33. The two connecting plates 33 are of the same size and are symmetrically arranged with respect to the same diameter of the thread blocking plate 32, so that two opposite ports 31 are formed between the two connecting plates 33. In other embodiments, the two connecting plates 33 may also be configured to have different sizes, or the two connecting plates 33 having the same size may be asymmetrically configured, so that two inlets and outlets 31 arranged at an included angle may be formed between the two connecting plates 33. Similarly, when the number of the connecting plates 33 is one, an inlet/outlet 31 is formed between both ends of the connecting plates 33.

Optionally, both ends of the connecting plate 33 and the two baffle plates 32 are welded by ultrasonic, the welding time is short, no welding flux, gas or solder is needed, the cleaning is pollution-free, and the connecting plate 33 and the baffle plates 32 are not damaged.

Alternatively, both ends of the spool 4 are rotatably connected to the two thread blocking plates 32, respectively. Optionally, a winding section 41 is arranged in the middle of the winding shaft 4, and the outer diameter of the winding section 41 is larger than the outer diameters of the two ends of the winding shaft 4; the winding section 41 is provided with the above-mentioned wire passing hole 411. Utilize the great spiral section 41 rolling cable 2 of external diameter, can avoid cable 2 excessively to buckle, be favorable to protecting cable 2.

In order to facilitate the threading of the cable 2, the axis of the thread passing hole 411 is perpendicular to the axis of the spool 4.

It should be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A wiring device comprising a terminal block (1) and a cable (2), one end of the cable (2) being connected to the terminal block (1), characterized in that the wiring device further comprises:

a wire take-up member;

the winding shaft (4) is rotatably arranged on the wire collecting piece, the winding shaft (4) is provided with a wire passing hole (411), and the cable (2) is arranged in the wire passing hole (411) in a penetrating mode so that the cable (2) can be wound on the outer side of the winding shaft (4) or the cable (2) can be wound off from the winding shaft (4);

and the limiting piece (5) is used for locking or unlocking the winding shaft (4) and the wire collecting piece.

2. The wiring device according to claim 1, wherein the wire take-up member includes a box body (3), and the spool (4) is rotatably provided to the box body (3);

the part of the winding shaft (4) in the box body (3) is provided with the wire passing hole (411), and one side of the box body (3) is provided with at least one inlet and outlet (31) for the cable (2) to enter and exit the box body (3).

3. A wiring device according to claim 2, wherein the first end of the spool (4) is provided protruding outside the case (3); the box body (3) is provided with a plurality of limiting holes (321), and the limiting holes (321) are arranged at intervals along the circumferential direction of the winding shaft (4);

the limiting piece (5) is of an L-shaped structure, one end of the limiting piece (5) penetrates through the first end of the winding shaft (4) and can rotate relative to the winding shaft (4), so that the other end of the limiting piece (5) can be inserted into any limiting hole (321) or pulled out of the limiting hole (321).

4. The wiring device according to claim 2, characterized in that the box (3) is a cylindrical structure, the axis of the box (3) coinciding with the axis of the spool (4).

5. The wiring device according to claim 4, characterized in that the box (3) comprises:

the two wire blocking plates (32) are arranged oppositely and at intervals;

at least one connecting plate (33), at least one connecting plate (33) all connect in two between fender board (32), and at least one connecting plate (33) are followed the circumference of fender board (32) is located in proper order the edge of fender board (32), in order to two the week side of fender board (32) forms at least one import and export (31).

6. Wiring device according to claim 5, characterised in that said access openings (31) are two in number and that said two access openings (31) are arranged opposite each other.

7. The wiring device according to claim 5, characterized in that both ends of the spool (4) are rotatably connected to the two wire blocking plates (32), respectively.

8. A wiring device according to claim 1, characterized in that the middle of the winding shaft (4) is provided with a winding section (41), the outer diameter of the winding section (41) being larger than the outer diameter of the two ends of the winding shaft (4);

the winding section (41) is provided with the wire passing hole (411).

9. A wiring device according to claim 1, characterized in that the axis of the wire passing hole (411) is perpendicular to the axis of the spool (4).

10. The wiring device according to claim 5, wherein both ends of the connecting plate (33) are ultrasonically welded to the two wire blocking plates (32).