CN220359123U

CN220359123U - Photovoltaic alternating current combiner box

Info

Publication number: CN220359123U
Application number: CN202321119529.6U
Authority: CN
Inventors: 郑亦呈
Original assignee: Zhejiang Jianeng Electric Co ltd
Current assignee: Zhejiang Jianeng Electric Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2024-01-16
Anticipated expiration: 2033-05-10

Abstract

The utility model relates to a photovoltaic alternating current combiner box, which belongs to the technical field of combiner boxes, and is characterized in that a heat radiation assembly is arranged, the air flow flux is changed by adjusting the shielding property of heat radiation plates, namely, changing the size of gaps between the heat radiation plates, when the gaps between the heat radiation plates are the largest, namely, the air flow flux is the largest, the heat radiation effect is the best, and when the gaps between the heat radiation plates are the smallest, the heat radiation effect is the worst, namely, the sealing effect is the best, so that the heat radiation efficiency of the heat radiation assembly is controlled by adjusting the gaps between the heat radiation plates according to actual conditions.

Description

Photovoltaic alternating current combiner box

Technical Field

The utility model belongs to the technical field of junction boxes, and particularly relates to a photovoltaic alternating current junction box.

Background

The collecting box is one device for collecting current, and is mainly used in large and medium-sized photovoltaic systems, the device can ensure that the photovoltaic systems are easy to cut off circuits during maintenance and inspection, the power failure range is reduced when the photovoltaic systems are in failure, and the photovoltaic collecting box in the prior art is generally installed in an area without obvious sunlight shielding such as outdoors, so that the collecting box is easy to be interfered by outdoor environment, and the box body of the collecting box is generally made of waterproof and dustproof materials such as steel plate plastic spraying, stainless steel, engineering plastic and the like.

Because photovoltaic conflux case is installed in the arbitrary place of whole country, and temperature variation, humidity change etc. in different places are not necessarily to open the thermovent for a long time, like plum rain season, and the moisture content in air is high, needs airtight louvre this moment, can not people's moisture get into in the box, but the airtight of louvre can not be adjusted to the photovoltaic conflux case on the market at present, perhaps need open the box and get into inside regulation, and the effect is not good, inconvenient.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the problems that the photovoltaic combiner box on the market at present cannot adjust the sealing of a heat dissipation hole, or needs to be opened to enter the interior for adjustment, and the effect is poor and the photovoltaic combiner box is inconvenient.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a photovoltaic alternating current junction box which comprises a box body, an alternating current junction power distribution system and a heat dissipation assembly, wherein the alternating current junction power distribution system is arranged in the middle of the box body, the heat dissipation assembly comprises a plate seat, a heat dissipation plate and a plate frame, the plate seat is arranged in the box body, a connecting shaft is arranged on the plate seat, the heat dissipation plate is arranged on the plate frame, the plate frame is arranged on the connecting shaft of the plate seat, and the heat dissipation plate can freely rotate in the plate frame.

Preferably, one side of the plate frame is attached to the inner wall of the box body, and the inner wall of the box body is provided with a vent hole group.

Preferably, the box is provided with a knob, the knob is provided with a threaded rotating shaft, the threaded rotating shaft is provided with a sliding block, one end of the sliding block is attached to the inner wall of the box, a plurality of heat dissipation plates are arranged in the plate frame through connecting shafts, the connecting shafts penetrate through the plate frame to extend outwards, connecting rods are arranged on the connecting shafts of the heat dissipation plates, the connecting rods are rotationally connected with a movable rod, the movable rod is provided with a clamping shaft, the sliding block is provided with a movable groove, and the clamping shaft is inserted into the movable groove.

Preferably, sealing elements are arranged at two ends of the heat dissipation plate, the cross section of each sealing element is of a semicircular structure, and rubber pads are arranged on the sealing elements.

Preferably, the rubber pads of the sealing members on the heat dissipation plates are in contact with each other when the side walls of the adjacent heat dissipation plates are aligned.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the photovoltaic alternating current combiner box, the heat dissipation assembly is arranged, the air flow flux is changed by adjusting the shielding property of the heat dissipation plates, namely, changing the size of the gaps between the heat dissipation plates, when the gaps between the heat dissipation plates are maximum, namely, the air flow flux is maximum, the heat dissipation effect is best, and when the gaps between the heat dissipation plates are minimum, the heat dissipation effect is worst, namely, the sealing effect is best, so that the heat dissipation efficiency of the heat dissipation assembly is controlled by adjusting the gaps between the heat dissipation plates according to actual conditions.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a photovoltaic AC combiner box according to the present utility model

FIG. 2 is a schematic view of the internal structure of a photovoltaic AC combiner box according to the present utility model;

fig. 3 is a schematic diagram of a photovoltaic ac header heat dissipation assembly according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a case; 110. a vent group; 120. a knob; 121. a threaded spindle; 122. a slide block; 123. a moving groove;

200. an alternating current converging power distribution system;

300. a heat dissipation assembly; 310. a plate seat; 320. a heat dissipation plate; 321. a connecting rod; 322. a moving rod; 323. a clamping shaft; 324. a seal; 330. and (5) a plate frame.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1-3, a photovoltaic ac combiner box of this embodiment includes a box body 100, an ac combiner and distribution system 200 and a heat dissipation assembly 300, where the ac combiner and distribution system 200 is installed in the middle of the box body 100, the heat dissipation assembly 300 includes a board seat 310, a heat dissipation plate 320 and a board frame 330, the internal mounting board seat 310 of the box body 100 is provided with a connection shaft on the board seat 310, the heat dissipation plate 320 is installed on the board frame 330, the board frame 330 is installed on the connection shaft of the board seat 310, and the heat dissipation plate 320 freely rotates in the board frame 330.

One side of the plate frame 330 in this embodiment is attached to the inner wall of the case 100, and the inner wall of the case 100 is provided with the vent group 110.

In this design, by providing the heat dissipating assembly 300, the air flow is changed by adjusting the shielding property of the heat dissipating plates 320, that is, changing the size of the gaps between the heat dissipating plates 320, when the gaps between the heat dissipating plates 320 are the largest, that is, the air flow is the largest, the heat dissipating effect is the best, and when the gaps between the heat dissipating plates 320 are the smallest, the heat dissipating effect is the worst, that is, the sealing effect is the best, so that the heat dissipating efficiency of the heat dissipating assembly 300 is controlled by adjusting the gaps between the heat dissipating plates 320 according to the actual situation.

The box 100 of this embodiment is equipped with knob 120 on, install screw thread pivot 121 on the knob 120, be equipped with slider 122 on the screw thread pivot 121, slider 122's one end laminating box 100's inner wall, install a plurality of heating panels 320 through the connecting axle in the bezel 330, the connecting axle passes the bezel 330 outwards and stretches out, all be equipped with connecting rod 321 on the connecting axle of a plurality of heating panels 320, this rotation of connecting rod 321 connects movable rod 322, be equipped with card axle 323 on the movable rod 322, be equipped with movable groove 123 on the slider 122, card axle 323 inserts in the movable groove 123, the structure of this design drives screw thread pivot 121 through rotatory knob 120 and rotates, further drive slider 122 slides, drive card axle 323 and remove in movable groove 123, drive movable rod 322, connecting rod 321 rotates, drive heating panel 320 rotates, the function of changing the clearance between the heating panels 320 has been realized.

The two ends of the heat dissipation plate 320 in this embodiment are provided with sealing members 324, the cross section of the sealing member 324 is a semicircular structure, and the sealing member 324 is provided with a rubber pad.

In this embodiment, when the sidewalls of the adjacent heat dissipation plates 320 are aligned, the rubber pads of the sealing members 324 on the heat dissipation plates 320 contact each other.

In the above design, when the gap between the heat dissipation plates 320 is minimized, the rubber pads of the sealing members 324 on the heat dissipation plates 320 contact each other to achieve a better sealing effect.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A photovoltaic alternating current collection flow box is characterized in that: including box (100), exchange distribution system (200) and radiator module (300) that converges, exchange distribution system (200) and install the middle part at box (100), radiator module (300) are including board seat (310), heating panel (320) and bezel (330), inside mounting panel seat (310) of box (100), be equipped with the connecting axle on board seat (310), heating panel (320) are installed on bezel (330), on the connecting axle of board seat (310) is installed to bezel (330), heating panel (320) free rotation in bezel (330).

2. The photovoltaic ac combiner box of claim 1, wherein: one side of the plate frame (330) is attached to the inner wall of the box body (100), and the inner wall of the box body (100) is provided with a vent hole group (110).

3. The photovoltaic ac combiner box of claim 1, wherein: be equipped with knob (120) on box (100), install screw thread pivot (121) on knob (120), be equipped with slider (122) on screw thread pivot (121), the inner wall of box (100) is closed in the one end subsides of slider (122), install a plurality of heating panel (320) through the connecting axle in bezel (330), the connecting axle passes bezel (330) outwards stretches out, a plurality of all be equipped with connecting rod (321) on the connecting axle of heating panel (320), this rotation of connecting rod (321) connects movable rod (322), be equipped with card axle (323) on movable rod (322), be equipped with movable groove (123) on slider (122), card axle (323) are inserted in movable groove (123).

4. The photovoltaic ac combiner box of claim 1, wherein: the heat dissipation plate is characterized in that sealing elements (324) are arranged at two ends of the heat dissipation plate (320), the cross section of each sealing element (324) is of a semicircular structure, and rubber pads are arranged on the sealing elements (324).

5. The photovoltaic ac combiner box of claim 4, wherein: when the side walls of adjacent heat dissipation plates (320) are aligned, rubber pads of sealing members (324) on the heat dissipation plates (320) are in contact with each other.