WO2023035677A1

WO2023035677A1 - Case and photovoltaic communication box

Info

Publication number: WO2023035677A1
Application number: PCT/CN2022/095222
Authority: WO
Inventors: 程哲; 胡孔红
Original assignee: 阳光电源股份有限公司
Priority date: 2021-09-07
Filing date: 2022-05-26
Publication date: 2023-03-16
Also published as: CN216217854U

Abstract

The present invention relates to the technical field of photovoltaic power generation, and discloses a case and a photovoltaic communication device. The case comprises a case body, a case door and at least two sealing members. At least two accommodating cavities are provided in the case body, and when the case door is locked on the case body, the accommodating cavities may be sealed by means of the sealing members, respectively. The case seals a plurality of accommodating cavities by means of the case door and a plurality of sealing members respectively, which may reduce the number of case doors and corresponding parts, simplify the assembly steps of the case, and reduce fabrication costs and maintenance costs of the case door.

Description

A chassis and a photovoltaic communication box

This application claims the priority of the Chinese patent application with the application number 202122148875.4 and the title of the invention "A Cabinet and Photovoltaic Communication Box" submitted to the China Patent Office on September 07, 2021, the entire contents of which are incorporated in this application by reference .

technical field

The invention relates to the technical field of photovoltaic power generation, in particular to a chassis and photovoltaic communication equipment.

Background technique

Photovoltaic communication equipment is a kind of electrical communication equipment for real-time monitoring of the operation status of photovoltaic power plants and remote management of photovoltaic equipment. It can realize parameter configuration and software upgrade of inverter equipment, and record and Upload the monitoring platform and locate the faulty equipment in the photovoltaic power station, etc.

With the enrichment of integrated functions of photovoltaic communication equipment, when the chassis of photovoltaic communication equipment is designed for functional partitions, at least two accommodation cavities are usually set in the box of the chassis to accommodate the same or different electrical components respectively. The one-to-one corresponding box doors respectively seal the respective accommodating chambers. The above-mentioned structure needs to be provided with a plurality of box doors, which is cumbersome to assemble, and the manufacturing cost and maintenance cost of the box doors are high, so that the cost of the box and photovoltaic communication equipment is high.

Contents of the invention

An object of the present invention is to provide an enclosure which is easy to assemble and has low manufacturing and maintenance costs.

For this reason, the present invention adopts following technical scheme:

A clamp, the cabinet includes a box body, a box door and at least two seals, the box body is provided with at least two accommodating cavities, and when the box door is locked on the box body, they can respectively Each of the accommodating cavities is sealed by each of the sealing elements.

As a preferred solution of the case, at least two of the sealing members are configured so that at least two of the accommodating chambers have different sealing levels.

As a preferred solution of the case, at least one of the sealing members is a sealing strip that can surround the outer periphery of the opening of the accommodating chamber.

As a preferred solution of the cabinet, each of the sealing members is arranged on the inner wall of the cabinet door.

As a preferred solution of the cabinet, a strengthening structure is also arranged on the cabinet door.

As a preferred solution of the chassis, the reinforcing structure includes reinforcing ribs that correspond to the sealing members one by one, and each of the reinforcing ribs is arranged along the circumferential direction of the corresponding sealing member, so as to respectively strengthen the The seal is positioned.

As a preferred solution of the cabinet, the reinforcing structure is detachably connected to the cabinet door.

As a preferred solution of the cabinet, the cabinet further includes a positioning structure, the positioning structure is provided in one-to-one correspondence with the sealing member, and the positioning structure is located on the cabinet door and/or the cabinet body.

As a preferred solution of the case, at least two of the sealing elements are integrally formed.

As a preferred solution of the cabinet, at least one side wall of the cabinet is provided with a heat dissipation structure.

Beneficial effects of the present invention:

The invention proposes a cabinet, which can respectively realize the sealing of multiple accommodating cavities through a cabinet door and a plurality of seals, which can reduce the number of cabinet doors and corresponding parts, simplify the assembly steps of the cabinet, and reduce the manufacturing and maintenance costs.

Another object of the present invention is to provide a photovoltaic communication device, which is easy to assemble and has low manufacturing and maintenance costs.

For this reason, the present invention also adopts following technical scheme:

A photovoltaic communication device, comprising a battery, a data collector and the above case, the battery is electrically connected to the data collector, and both the battery and the data collector are arranged in the case.

As a preferred solution of photovoltaic communication equipment, the photovoltaic communication equipment also includes an anti-PID module, and the anti-PID module is connected to the data collector by signal;

The chassis includes a box, and the box is provided with two accommodating chambers, the battery and the data collector are located in one of the accommodating chambers, and the anti-PID module is located in the other accommodating chamber .

Beneficial effects of the present invention:

The present invention proposes a photovoltaic communication device. The battery and the data collector are accommodated in the case. The case is easy to assemble and has low manufacturing and maintenance costs, so that the photovoltaic communication device is easy to assemble and low in manufacturing and maintenance costs.

Description of drawings

Fig. 1 is a schematic structural view of a cabinet provided by an embodiment of the present invention when the door is locked;

Fig. 2 is a schematic structural view of the cabinet provided by the embodiment of the present invention when the cabinet door is opened;

Fig. 3 is a schematic structural view of the inner side of the box door provided by the embodiment of the present invention.

In the picture:

1-box; 11-accommodating cavity; 12-heat dissipation structure;

2-door; 3-seal; 4-reinforcing rib.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

This embodiment provides a photovoltaic communication device. The photovoltaic communication device includes a battery, a data collector and a chassis. The battery is electrically connected to the data collector, and both the battery and the data collector are arranged in the chassis. The inverter signal of the power station is connected so that the photovoltaic communication equipment can monitor the operation status of the photovoltaic power station and remotely manage the photovoltaic equipment in the photovoltaic power station. The photovoltaic communication device is easy to assemble and has low manufacturing and maintenance costs.

Specifically, as shown in Figures 1-3, the cabinet includes a box body 1, a box door 2 and at least two seals 3, the box body 1 is provided with at least two accommodating cavities 11, and the box door 2 is locked When placed on the box body 1 , each accommodating cavity 11 can be sealed by each sealing member 3 . The cabinet realizes the sealing of multiple accommodating cavities 11 through one box door 2 and multiple seals 3, which can reduce the number of box doors 2 and corresponding parts, simplify the assembly steps of box door 2, and reduce the manufacturing cost of box door 2 and maintenance costs, thereby reducing the cost of the chassis and photovoltaic communication equipment.

Optionally, the box door 2 is provided with a first locking piece, and the box body 1 is provided with a second locking piece, and the first locking piece can be adapted to be connected with the second locking piece, so that the box door 2 is locked. fit on the box body 1. Wherein, this embodiment does not set the specific types of the first locking part and the second locking part, as long as the locking and unlocking of the door 2 and the box body 1 can be realized, it can be done according to the actual locking needs. set up. Further, the number of the first locking parts can also be multiple, and the second locking parts are provided in one-to-one correspondence with the first locking parts, so as to improve the locking reliability of the box door 2 and the box body 1 .

Specifically, the first end of the box door 2 is hingedly connected to the box body 1, and the second end of the box door 2 is provided with a first locking member, and the second end of the box door 2 can be locked on the box body 1 to lock Multiple accommodating cavities 11 are sealed, which can facilitate the operator to open or close the box door 2 .

In this embodiment, the seals 3 are provided in one-to-one correspondence with the accommodation chambers 11, and each seal 3 can seal a corresponding accommodation chamber 11. Of course, the correspondence between the seals 3 and the accommodation chambers 11 is not limited thereto. In other embodiments, it is also possible that the first sealing member 3 corresponds to one accommodating cavity 11, and the second sealing member 3 corresponds to at least two accommodating cavities 11, that is, the first sealing member 3 can connect a corresponding accommodating cavity 11 Sealing, the second sealing member 3 can seal at least two corresponding accommodating cavities 11 , which can be set according to actual sealing needs, which is not limited in this embodiment.

Preferably, at least two seals 3 are configured so that at least two accommodating cavities 11 have different sealing levels, which can respectively meet the sealing and protection requirements of different electrical components, with good sealing and protection effects and a wide range of applications. Of course, in other embodiments, the plurality of seals 3 can also be the same, so that the sealing and protection levels of each accommodation cavity 11 are the same, which can be set according to actual sealing and protection needs, which is not limited in this embodiment .

Specifically, as shown in FIGS. 2 and 3 , at least one sealing member 3 is a sealing strip that can be arranged around the outer periphery of the opening of the corresponding accommodating chamber 11, and the accommodating chamber 11 is sealed by the sealing strip that is arranged on the outer periphery of the opening of the accommodating chamber 11. The cavity 11 is sealed, and the sealing effect is good, so that the accommodating cavity 11 can meet higher sealing and protection requirements, and has a good protection effect on the electrical components contained in the accommodating box.

In this embodiment, as shown in FIG. 2 and FIG. 3 , there are two accommodating chambers 11 and two sealing elements 3 , wherein the first sealing element 3 is surrounded by the first accommodating cavity when the box door 2 is closed. The sealing strip on the periphery of the opening of the chamber 11, the second sealing member 3 is located on the part of the periphery of the opening of the second housing chamber 11 when the door 2 is closed, so that the two housing chambers 11 can have different sealing effects and protection levels, So as to meet the protection needs of different electrical components. Wherein, the number of the second sealing member 3 can also be multiple, and the plurality of second sealing members 3 can be arranged on the outer periphery of the opening of the corresponding accommodating chamber 11 at intervals. It can be understood that the protection level of the first accommodation chamber 11 is higher than that of the second accommodation chamber 11 .

Specifically, the photovoltaic communication equipment also includes an anti-PID module. The anti-PID module is connected to the signal of the data collector. The data collector can control the anti-PID module to adjust the output voltage to prevent the photovoltaic modules of the photovoltaic power station from producing PID effects, thereby improving the performance of the photovoltaic system. The working reliability of the power station; the battery and the data collector are located in the first housing chamber 11, and the anti-PID module is located in the second housing chamber 11, which can meet the different protection requirements of the battery, data collector and anti-PID module. Certainly, the arrangement manner of the battery, the data acquisition module and the data collector is not limited thereto, and may be set according to actual protection requirements, which is not limited in this embodiment.

It can be understood that the chassis can also be used in other types of equipment and used to accommodate other electrical components, which can be set according to actual needs, which is not limited in this embodiment.

In this embodiment, as shown in FIG. 2 and FIG. 3 , each sealing member 3 is disposed on the inner wall of the box door 2 , which can simplify the processing cost of the box body 1 . Of course, the installation position of each seal 3 is not limited thereto. In other embodiments, each seal 3 can also be arranged on the outer wall of the box body 1, or at least one seal 3 can be arranged on the box door 2, The rest of the seals 3 are arranged on the box body 1 and can be arranged according to actual sealing needs, which is not limited in this embodiment.

It can be understood that a plurality of seals 3 can be arranged independently of each other, that is, there is no connection relationship between any two seals 3, or at least two seals 3 can be connected, for example, two seals 3 share one The side can be set according to actual needs, which is not limited in this embodiment.

Further, at least two seals 3 can be integrally formed to achieve the purpose of reducing components and simplifying the assembly steps of the chassis. Certainly, each sealing member 3 can also be assembled separately after being molded independently, so as to flexibly seal each accommodating cavity 11 , which can be set according to actual needs, which is not limited in this embodiment.

Preferably, the box door 2 is also provided with a reinforcing structure, which can increase the rigidity of the box door 2, reduce the deformation of the box door 2, ensure the sealing effect on each accommodating cavity 11, and increase the service life of the box door 2. In this embodiment, the reinforcing structure is arranged on the inner wall of the box door 2. Of course, the setting position of the reinforcing structure is not limited thereto. In other embodiments, the reinforcing structure can also be arranged on the outer wall of the box door 2, or it can be A part of the reinforcement structure is arranged on the inner wall of the box door 2, and another part of the reinforcement structure is arranged on the outer wall of the box door 2, as long as it can play a role in strengthening the rigidity of the box door 2, it can be set according to actual needs. Examples are not limited to this.

Furthermore, the reinforcement structure is detachably connected to the box door 2, and the reinforcement structure or the box door 2 can be replaced independently, which can reduce the maintenance cost of the box and photovoltaic communication equipment. Of course, the arrangement of the reinforcement structure and the box door 2 is not limited thereto. In other embodiments, the reinforcement structure and the box door 2 can also be integrally formed to reduce parts and facilitate the assembly of the chassis and photovoltaic communication equipment. .

Preferably, the reinforcement structure includes reinforcement ribs 4 corresponding to the seals 3 one-to-one, and each reinforcement rib 4 is arranged along the circumferential direction of the corresponding seal 3 to position each seal 3 respectively. Each seal 3 is positioned without additional positioning structures to realize the positioning of each seal 3 , which can reduce the manufacturing cost of the cabinet and make the cabinet compact.

It can be understood that, in this embodiment, when the box door 2 is locked on the box body 1 , the protruding part of the reinforcement rib 4 is located inside the corresponding accommodating cavity 11 and will not affect the sealing of the sealing member 3 .

Certainly, the positioning method of each sealing member 3 is not limited thereto. In other embodiments, the chassis may also include a positioning structure, which is provided in a one-to-one correspondence with the sealing members 3, so as to respectively position each sealing member 3, wherein the positioning The structure can be located on the door 2 and/or on the box 1 . Exemplarily, the positioning structure is a sealing groove extending along the circumference of the corresponding sealing element 3 , and the sealing element 3 can be accommodated in the corresponding sealing groove.

Optionally, at least one side wall of the box body 1 is provided with a heat dissipation structure 12 to meet the heat dissipation requirements of the electrical components contained in the box body 1 . Exemplarily, the heat dissipation structure 12 includes a plurality of heat dissipation holes opened on the side wall of the box body 1 , and the heat in the box body 1 can be dissipated through the heat dissipation holes. Further, in order to prevent dust and the like from entering the inside of the box body 1 through the heat dissipation holes and affecting the normal operation of the electrical components, the chassis can also include a protective piece, which is arranged on the inside and/or outside of the heat dissipation structure 12, so as to improve the performance of the box body 1. The protective effect and the protective effect on electrical components. Exemplarily, the protective element is a filter cotton disposed inside the heat dissipation structure 12 , the filter cotton has a good filtering effect, is easy to replace, and has low cost.

Optionally, an observation window is provided on the box door 2 and/or the box body 1 , so that the operator can observe the working conditions of the electrical components in the box body 1 without opening the box door 2 .

Optionally, both the box door 2 and the box body 1 are made of plastic, so that the data collector can be directly connected to the inverter signal without an antenna, which can reduce the manufacturing cost of the box and make the box compact. It can be understood that the box door 2 and the box body 1 can be made of the same plastic, or can be made of different types of plastic. Of course, the materials of the box door 2 and the box body 1 are not limited thereto. In other embodiments, the box door 2 and the box body 1 can also be made of metal materials through sheet metal processes to improve the strength of the cabinet, and at the same time In order to realize the signal connection between the data collector and the inverter, the photovoltaic communication device also includes an antenna. The antenna is arranged outside the chassis and electrically connected to the data collector. It needs to be set, which is not limited in this embodiment.

In the description of this specification, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this embodiment and simplifying the description, rather than indicating or implying that the referred device or structure must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance. Wherein, the terms "first position" and "second position" are two different positions.

In the description of this specification, a description referring to the terms "an embodiment", "an example" and the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention middle. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Unless otherwise clearly specified and limited, the terms "mounted", "connected", "connected" and "fixed" should be interpreted in a broad sense, for example, it may be a fixed connection or a detachable connection; it may be a mechanical connection, or It can be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include that the first feature is in direct contact with the second feature, and may also include that the first feature and the second feature are not in direct contact. Rather, through additional characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In addition, the above are only preferred embodiments and technical principles used in the present invention. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims

A case, characterized in that the case comprises a case body (1), a case door (2) and at least two seals (3), and the case body (1) is provided with at least two accommodating cavities (11 ), when the box door (2) is locked on the box body (1), it can seal each of the accommodating cavities (11) through each of the sealing members (3).
The cabinet according to claim 1, characterized in that at least two of the sealing elements (3) are configured so that at least two of the accommodating cavities (11) have different sealing levels.
The case according to claim 1, characterized in that at least one of the sealing members (3) is a sealing strip that can surround the outer periphery of the opening of the corresponding accommodating chamber (11).
The cabinet according to claim 1, characterized in that, each of the seals (3) is arranged on the inner wall of the cabinet door (2).
The cabinet according to claim 4, characterized in that, a reinforcement structure is also provided on the cabinet door (2).
The chassis according to claim 5, wherein the reinforcing structure includes reinforcing ribs (4) corresponding to the seals (3), each of the reinforcing ribs (4) is along the corresponding The circumferential arrangement of the sealing elements (3) is used to respectively position each of the sealing elements (3).
The cabinet according to claim 5, characterized in that, the reinforcement structure is detachably connected to the cabinet door (2).
The cabinet according to claim 1, characterized in that, the cabinet further comprises a positioning structure, the positioning structure is provided in one-to-one correspondence with the sealing member (3), and the positioning structure is located on the box door (2) And/or on the box (1).
The cabinet according to claim 1, characterized in that at least two of the seals (3) are integrally formed.
The cabinet according to any one of claims 1-9, characterized in that at least one side wall of the cabinet (1) is provided with a heat dissipation structure (12).
A photovoltaic communication device, characterized in that it includes a battery, a data collector, and the chassis according to any one of claims 1-10, the battery is electrically connected to the data collector, and the battery and the The data collectors are all arranged in the case.
The photovoltaic communication device according to claim 11, wherein the photovoltaic communication device further includes an anti-PID module, and the anti-PID module is connected to the data collector by signals;

The chassis includes a box body (1), and the box body (1) is provided with two accommodation chambers (11), and the battery and the data collector are located in one of the accommodation chambers (11). The anti-PID module is located in another accommodating chamber (11).