CN106374363A - Ring main unit - Google Patents

Abstract

The invention discloses a ring net box, which includes a box body and a photovoltaic module located on the top of the box body, the photovoltaic module is arranged obliquely, and the photovoltaic module is connected with an electric storage component inside the box body, the The power storage component can supply power to the power consumption component of the box body. In the ring net box provided by the present invention, the photovoltaic module is arranged on the top of the box body, so that the box body has a self-power supply system, which ensures that the box body uses electricity and operates reliably. At the same time, the box body passes The use of the photovoltaic module uses solar energy as an energy source, which is environmentally friendly and energy-saving, and reduces costs.

Description

a ring cage

technical field

The invention relates to the field of power supply equipment, in particular to a ring net box.

Background technique

At present, there are mainly three operating modes for the ring net box in operation: (1) The ring net box is equipped with a PT cabinet without a data conversion unit (DTU). box lighting, environmental control system and switch control operating power; (2) ring net box with PT+DTU box, powered by PT secondary side 220V power supply of PT cabinet, shunt switch supplies ring net box lighting, environmental control system and distribution Electric automation terminal (DTU) power supply, DTU DC power supply switch control operation power; (3) There is no PT cabinet and DTU in the ring net box, and there is no station power supply in the ring net box.

However, in the ring net box currently used, when the busbar loses power or the PT cabinet fails, the power supply system will be cut off, and normal power supply cannot be guaranteed. .

Therefore, how to ensure the reliable power consumption of the ring net box while reducing potential safety hazards is a technical problem that those skilled in the art need to solve at present.

Contents of the invention

The purpose of the present invention is to provide a ring net box, which is equipped with a self-power supply system, which can effectively save energy and ensure reliable operation of the ring net box with electricity.

To achieve the above object, the present invention provides the following technical solutions:

A ring net box, including a box body and a photovoltaic module located on the top of the box body, the photovoltaic module is arranged obliquely, and the photovoltaic module is connected to the power storage component inside the box body, and the power storage component can Power is supplied to the electrical parts of the box.

Preferably, the photovoltaic assembly includes a fixed photovoltaic assembly and a foldable photovoltaic assembly, and the bottom surface of the foldable photovoltaic assembly is equipped with a lifting mechanism that can lift the foldable photovoltaic assembly to form a plane with the fixed photovoltaic assembly.

Preferably, one end side of the foldable photovoltaic module is hinged to the top side of the fixed photovoltaic module.

Preferably, the lifting mechanism is specifically a cylinder, and the end of the piston rod of the cylinder is hinged to the bottom surface of the foldable photovoltaic module.

Preferably, both the fixed photovoltaic module and the foldable photovoltaic module include four 250W polysilicon solar photovoltaic panels arranged in sequence.

Preferably, the foldable photovoltaic component is perpendicular to the fixed photovoltaic component when it is stowed.

Preferably, the power storage component is specifically a UPS power supply, and the UPS power supply can automatically switch to a power supply state after a power failure inside the box.

Preferably, a voltage transformer cabinet or wireless terminal equipment is also installed inside the box.

The ring network box provided by the present invention includes a box body and a photovoltaic module located on the top of the box body, the photovoltaic module is arranged obliquely, and the photovoltaic module is connected to the power storage component inside the box body, the storage unit The electrical components can supply power to the electrical components of the case. The ring net box is provided with the photovoltaic module on the top of the box body, so that the box body has a self-power supply system, which ensures that the box body uses electricity and operates reliably. At the same time, the box body passes through the photovoltaic module The use of solar energy as an energy source, environmental protection, energy saving, and cost reduction.

In a preferred embodiment, the photovoltaic assembly includes a fixed photovoltaic assembly and a foldable photovoltaic assembly, and the bottom surface of the foldable photovoltaic assembly is equipped with a lift that can lift the foldable photovoltaic assembly to form a plane with the fixed photovoltaic assembly. mechanism. With the above setting, through the combination of the fixed photovoltaic module and the foldable photovoltaic module, when the power load is small, only the fixed photovoltaic module can be used to provide electric energy; when the power load is large, the foldable photovoltaic module can be used to provide Electric energy to ensure power supply requirements, strong applicability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of a kind of embodiment of the ring cage provided by the present invention;

Among them: 1-box, 2-fixed photovoltaic modules, 3-folding photovoltaic modules, 4-lifting mechanism.

detailed description

The core of the present invention is to provide a ring net box, which is equipped with a self-power supply system, which can effectively save energy and ensure reliable operation of the ring net box with electricity.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to FIG. 1 , which is a structural schematic diagram of a specific embodiment of the ring net box provided by the present invention.

In this embodiment, the ring net box includes a box body 1 and a photovoltaic module.

Among them, the photovoltaic module is arranged on the top of the box body 1, and the photovoltaic module is arranged obliquely, specifically in the direction of the sun, to ensure sufficient sunlight, and the photovoltaic module is connected to the power storage component inside the box body 1. At the same time, the photovoltaic module and The power storage component inside the box body 1 is connected, and the power storage component can store and supply the energy obtained by the photovoltaic module to the power consumption component in the box body 1 .

Further, the photovoltaic module includes a fixed photovoltaic module 2 and a foldable photovoltaic module 3, and the foldable photovoltaic module 3 can be adjusted to be on the same plane as the fixed photovoltaic module 2, so as to increase the area of the entire photovoltaic module and increase power generation.

Specifically, the bottom surface of the folding photovoltaic module 3 is equipped with a lifting mechanism 4 that can lift the folding photovoltaic module 3 and form a plane with the fixed photovoltaic module 2. The lifting mechanism 4 is installed on the top of the box body 1, and one end of the lifting mechanism 4 is connected to the The bottom surface of the folded photovoltaic module 3 is connected. The above setting, through the combination of fixed photovoltaic module 2 and foldable photovoltaic module 3, when the power load is small, only fixed photovoltaic module 2 can be used to provide electric energy; when the power load is large, foldable photovoltaic module 3 can be used to provide electric energy to ensure Power supply requirements, strong applicability.

Specifically, one end side of the foldable photovoltaic module 3 is hinged to the top side of the fixed photovoltaic module 2, the top side of the fixed photovoltaic module 2 refers to the side with the highest height of the fixed photovoltaic module 2, and the foldable photovoltaic module 3 can fix the top of the photovoltaic module 2 One side is the axis to rotate, and the folded photovoltaic module 3 forms a herringbone cross-section structure with the fixed photovoltaic module 2 before being raised, and the folded photovoltaic module 3 and the fixed photovoltaic module 2 form an inclined inline shape after being raised. cross-sectional structure.

On the basis of the above-mentioned embodiments, the lifting mechanism 4 is specifically a cylinder, and the end of the piston rod of the cylinder is hinged to the bottom surface of the foldable photovoltaic module 3. In this way, the piston rod pushes the foldable photovoltaic module 3 to the top during the extension process. From the start, the folded photovoltaic module 3 is unfolded with the side of the fixed photovoltaic module 2 as the axis. Preferably, the lifting mechanism 4 is installed in the middle of the foldable photovoltaic module 3, so that, on the one hand, it can avoid too close to the center of rotation of the foldable photovoltaic module 3 and cause the lifting mechanism 4 to be too stressed; on the other hand, it can avoid Too far away from the center of rotation of the foldable photovoltaic module 3 results in too large lift of the lifting mechanism 4. Of course, where to install the lifting mechanism 4 should be determined according to the pressure that the lifting mechanism 4 can bear and the lift of the lifting mechanism 4. judge.

The ring net box is equipped with photovoltaic modules on the top of the box body 1, so that the box body 1 has a self-power supply system to ensure the power consumption and reliable operation of the box body 1. At the same time, the box body 1 adopts solar energy as an energy source through the use of photovoltaic modules. , Environmental protection and energy saving, reducing costs.

On the basis of the above-mentioned embodiments, both the fixed photovoltaic module 2 and the foldable photovoltaic module 3 include four 250W polycrystalline silicon solar photovoltaic panels arranged in sequence, that is, eight 250W polycrystalline silicon solar photovoltaic panels are installed on the box body 1 of the ring cage, And it is designed as a "herringbone" structure, both sides are composed of 4 solar photovoltaic panels, one of which is a folding photovoltaic module 3, with automatic lifting function, when the power load is small, the fixed photovoltaic module 2 and the folding photovoltaic module 3 are placed in a "person ", when the power load is large, the foldable photovoltaic module 3 rises to form an entire plane with the fixed photovoltaic module 2 to ensure power supply requirements.

Specifically, each solar photovoltaic panel is arranged in sequence along the horizontal direction to form a photovoltaic module. Of course, the number of photovoltaic modules can also be two or six. At the same time, the number of fixed photovoltaic modules 2 and foldable photovoltaic modules 3 It can also be different, and can be selected according to actual usage needs.

Preferably, the foldable photovoltaic module 3 is perpendicular to the fixed photovoltaic module 2 when it is retracted, and at the same time, the foldable photovoltaic module 3 is arranged symmetrically with the fixed photovoltaic module 2 when it is retracted. The height control of the folding photovoltaic module 3 improves the precision and is beautiful.

On the basis of the above-mentioned embodiments, the power storage component is specifically a UPS power supply, that is, an uninterruptible power supply, and the UPS power supply can automatically switch to a power supply state after a power failure inside the box 1 .

In addition, a voltage transformer cabinet, such as a PT cabinet, or a wireless terminal device, such as a DTU box, is installed inside the box body 1 .

Specifically, the ring net box provided in this embodiment, under normal circumstances, is supplied with AC and DC power by the PT cabinet or PT+DTU box, charged by photovoltaic modules, and the UPS power supply is stored for backup. When the busbar of the ring net box loses power Or when the PT cabinet fails, the PT secondary power switch is disconnected and the contact switch is automatically switched on to ensure the reliable operation of the station power supply.

The ring net box includes a box body 1, a photovoltaic module, and a lifting mechanism 4. It has a stable self-power supply system to ensure power consumption and reliable operation. At the same time, a foldable photovoltaic module 3 is installed, and an automatic lifting mechanism is installed on the foldable photovoltaic module 3. Mechanism 4 improves applicability, and is easy to operate, simple in structure, safe and reliable.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The ring net box provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (8)

1. a kind of looped network case is it is characterised in that including casing (1) and the photovoltaic module positioned at described casing (1) top, described Photovoltaic module is obliquely installed, and the described photovoltaic module storing up electricity part internal with described casing (1) is connected, described storing up electricity part Can power to the consuming parts of described casing (1).

2. looped network case according to claim 1 it is characterised in that described photovoltaic module include fixing photovoltaic module (2) and Fold photovoltaic module (3), the described bottom surface folding photovoltaic module (3) is provided with after can rising described folding photovoltaic module (3) Form the elevating mechanism (4) of plane with described fixing photovoltaic module (2).

3. looped network case according to claim 2 is it is characterised in that the one end side of described folding photovoltaic module (3) and institute The top stating fixing photovoltaic module (2) is hinged at.

4. looped network case according to claim 3 is it is characterised in that described elevating mechanism (4) is specially cylinder and described The piston rod end of cylinder is hinged with the bottom surface of described folding photovoltaic module (3).

5. looped network case according to claim 2 is it is characterised in that described fixing photovoltaic module (2) and described folding photovoltaic Assembly (3) all includes four pieces of 250w polycrystalline silicon solar photovoltaic panel being arranged in order.

6. looped network case according to claim 2 it is characterised in that described folding photovoltaic module (3) when packing up with described Fixing photovoltaic module (2) is vertical.

7. the looped network case according to claim 1 to 6 any one is it is characterised in that described storing up electricity part is specially ups electricity Source, and described ups power supply can automatically switch to power supply state after the internal power-off of described casing (1).

8. looped network case according to claim 7 is it is characterised in that be also equipped with voltage transformer inside described casing (1) Cabinet or wireless terminal device.