CN214280816U

CN214280816U - Direct current collection flow box

Info

Publication number: CN214280816U
Application number: CN202023307066.5U
Authority: CN
Inventors: 刘香峰; 吴高明; 林顺进
Original assignee: Guangdong Namkoo Electric Power Co ltd
Current assignee: Guangdong Namkoo Electric Power Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-24
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a direct current header box, which comprises a box body, wherein a box cover is hinged on the box body; the box body is characterized in that a joint component is installed on a panel of the box body and comprises a plurality of movable structures and a plurality of fixed joints, the movable joints are installed on the panel of the box body through threaded pipe threads, and the fixed joints are fixedly installed on the panel of the box body through connecting pipes. The utility model discloses install the joint Assembly in box panel department, the joint Assembly is including a plurality of movable structures and a plurality of fixed joint, and the activity connects and installs on the panel of box through screwed pipe threaded connection, and the fixed joint passes through connecting pipe fixed mounting on the panel of box, and rotatory screwed pipe pulls down screwed pipe and activity joint, makes the activity connect the free activity to be connected with cable joint, improve the wiring scope of collection flow box.

Description

Direct current collection flow box

Technical Field

The utility model relates to a distribution equipment technical field specifically is a direct current collection flow box.

Background

The collection flow box is the wiring device who guarantees photovoltaic module and connect in order and function of converging in photovoltaic power generation system, and the device can ensure photovoltaic system and maintain, easily cut off circuit when the inspection, reduces the scope that has a power failure when photovoltaic system breaks down, then parallelly connected the access collection flow box with a plurality of (8 ~ 32) photovoltaic tandem, after converging in the collection flow box, through controller, direct current switch board, photovoltaic inverter, AC distribution cabinet etc. thereby supporting use constitutes complete photovoltaic power generation system.

The junction box interface among the prior art is fixed setting, and it can't freely move when being connected with cable joint to the wiring scope of the junction box has been restricted.

Therefore, in view of the above situation, there is a need to develop a dc combiner box to overcome the shortcomings of the current practical application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current collection flow box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a direct current combiner box comprises a box body, wherein a box cover is hinged to the box body; the box body is characterized in that a joint component is installed on a panel of the box body and comprises a plurality of movable joints and a plurality of fixed joints, the movable joints are installed on the panel of the box body through threaded pipe threaded connection, and the fixed joints are fixedly installed on the panel of the box body through connecting pipes.

As a further aspect of the present invention: the installation of box installs the mainboard, is provided with a plurality of mainboard connectors on the mainboard, and the mainboard connector passes through the cable and connects with movable joint or fixed joint, and the cable length of being connected with movable joint is greater than the cable length of being connected with fixed joint.

As a further aspect of the present invention: two installation cavities are symmetrically formed in the left side and the right side of the box body, a fan heat dissipation assembly is arranged inside the installation cavities, and the fan heat dissipation assembly comprises a heat dissipation fan which is rotatably installed inside the installation cavities.

As a further aspect of the present invention: the air inlet end of the cooling fan in the installation cavity is provided with a filter screen, and the air exhaust end of the cooling fan in the installation cavity is provided with a refrigerating mechanism.

As a further aspect of the present invention: the refrigerating mechanism comprises a mounting frame and a plurality of semiconductor refrigerating pieces fixedly mounted on the mounting frame.

As a further aspect of the present invention: supporting component is all installed to the four corners department of bottom half, and supporting component includes horizontal fixed mounting in the slide bar of bottom half, and there are two sliding sleeves in the left and right sides of slide bar slidable mounting respectively, locates the expanding spring fixed connection in the slide bar outside through the cover between two sliding sleeves, and the bottom of sliding sleeve articulates through the connecting rod and installs the slipmat, and the slipmat level sets up.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses install the joint Assembly in box panel department, the joint Assembly is including a plurality of movable joints and a plurality of fixed joint, and the movable joint passes through screwed pipe threaded connection and installs on the panel of box, and the fixed joint passes through connecting pipe fixed mounting on the panel of box, and rotatory screwed pipe pulls down screwed pipe and movable joint, makes the movable joint freely move about to be connected with cable joint, improve the wiring scope of collection flow box.

Drawings

Fig. 1 is a schematic structural view of a dc combiner box.

Fig. 2 is a schematic diagram of an internal structure of the dc combiner box.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a rear view of the dc combiner box.

In the figure: the device comprises a box body 1, a box cover 2, a connector assembly 3, a movable connector 301, a threaded pipe 302, a fixed connector 303, a connecting pipe 304, a cable 305, a main board connector 306, a main board 307, a mounting cavity 308, a radiator fan 309, a filter screen 310, a mounting rack 311, a semiconductor refrigeration piece 312, a support assembly 4, a sliding sleeve 401, a telescopic spring 402, a sliding rod 403, a non-slip mat 404 and a connecting rod 405.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 to 4, in an embodiment of the present invention, a dc combiner box includes a box body 1, and a box cover 2 is hinged to the box body 1; the joint assembly 3 is installed on the panel of the box body 1, the joint assembly 3 comprises a plurality of movable joints 301 and a plurality of fixed joints 303, the movable joints 301 are installed on the panel of the box body 1 through threaded pipes 302 in a threaded connection mode, the fixed joints 303 are fixedly installed on the panel of the box body 1 through connecting pipes 304, the threaded pipes 302 are rotated, the threaded pipes 302 and the movable joints 301 are disassembled, the movable joints 301 move freely, the movable joints 301 are connected with cable joints, and the wiring range of the junction box is enlarged;

mainboard 307 is installed in the installation of box 1, is provided with a plurality of mainboard connectors 306 on the mainboard 307, and mainboard connector 306 passes through cable 305 to be connected with movable joint 301 or fixed joint 303, and it should be explained that the embodiment of the utility model provides an, the cable 305 length of being connected with movable joint 301 is greater than the cable 305 length of being connected with fixed joint 303 to make movable joint 301 can pull down and carry out free activity.

In an embodiment of the present invention, two installation cavities 308 are symmetrically formed on the left and right sides of the box body 1, a fan heat dissipation assembly is disposed inside the installation cavity 308, the fan heat dissipation assembly includes a heat dissipation fan 309 rotatably installed inside the installation cavity 308, a filter screen 310 is installed at an air inlet end of the heat dissipation fan 309 inside the installation cavity 308, and a refrigeration mechanism is disposed at an air exhaust end of the heat dissipation fan 309 inside the installation cavity 308 for cooling the inlet air of the heat dissipation fan 309;

the embodiment of the utility model provides an in, refrigerating mechanism includes mounting bracket 311 and a plurality of fixed mounting semiconductor refrigeration piece 312 on mounting bracket 311 for cool off radiator fan 309's air inlet, make cold wind cool down to the mainboard 307 of collection flow box 1 inside.

In the utility model discloses in still another embodiment, supporting component 4 is all installed to the four corners department of box 1 bottom, and supporting component 4 includes that horizontal fixed mounting is in the slide bar 403 of box 1 bottom, and there are two sliding sleeves 401 in the left and right sides of slide bar 403 slidable mounting respectively, locate the expanding spring 402 fixed connection in the slide bar 403 outside through the cover between two sliding sleeves 401, and the bottom of sliding sleeve 401 articulates through connecting rod 405 and installs slipmat 404, and slipmat 404 level sets up, undertakes the weight of box 1 when box 1 is put to shock attenuation when box 1 receives vibrations.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A direct current combiner box comprises a box body (1), wherein a box cover (2) is hinged to the box body (1); the novel box is characterized in that a joint component (3) is installed on a panel of the box body (1), the joint component (3) comprises a plurality of movable joints (301) and a plurality of fixed joints (303), the movable joints (301) are installed on the panel of the box body (1) through threaded pipes (302) in a threaded connection mode, and the fixed joints (303) are fixedly installed on the panel of the box body (1) through connecting pipes (304).

2. The direct current combiner box of claim 1, wherein a main board (307) is installed on the box body (1), a plurality of main board connectors (306) are arranged on the main board (307), the main board connectors (306) are connected with the movable joint (301) or the fixed joint (303) through cables (305), and the length of the cable (305) connected with the movable joint (301) is larger than that of the cable (305) connected with the fixed joint (303).

3. The direct current combiner box of claim 1, wherein two installation cavities (308) are symmetrically formed in the left side and the right side of the box body (1), a fan heat dissipation assembly is arranged inside each installation cavity (308), and each fan heat dissipation assembly comprises a heat dissipation fan (309) rotatably installed inside each installation cavity (308).

4. The direct current combiner box of claim 3, wherein a filter screen (310) is installed at an air inlet end of the cooling fan (309) inside the installation cavity (308), and a refrigeration mechanism is arranged at an air outlet end of the cooling fan (309) inside the installation cavity (308).

5. The dc combiner box of claim 4, wherein the cooling mechanism comprises a mounting bracket (311) and a plurality of semiconductor cooling fins (312) fixedly mounted on the mounting bracket (311).

6. The direct current combiner box according to any one of claims 1 to 5, wherein the supporting assemblies (4) are mounted at four corners of the bottom of the box body (1), each supporting assembly (4) comprises a sliding rod (403) transversely and fixedly mounted at the bottom of the box body (1), two sliding sleeves (401) are respectively slidably mounted at the left side and the right side of each sliding rod (403), the two sliding sleeves (401) are fixedly connected with each other through a telescopic spring (402) sleeved outside the corresponding sliding rod (403), the bottoms of the sliding sleeves (401) are hinged to form non-slip mats (404) through connecting rods (405), and the non-slip mats (404) are horizontally arranged.