CN204927914U - It becomes to bury to quick charge formula case - Google Patents

Abstract

The utility model discloses an it becomes to bury to quick charge formula case, including establish subaerial view type switch board, establish the inside ground following formula transformer of underground prefabricated pit and lie in the low -voltage distribution cabinet on following formula transformer upper portion, advertising light boxes wing surface is equipped with and still is equipped with lamp house media advertisement curtain in the advertisement curtain fixed frame of ventilation heat dissipation hole and advertising light boxes flank face. This it becomes to bury to quick charge formula case high -low pressure pressurized cabin is inside adopt in tapered connector and the totally enclosed power cable connector of installing the plug fast and the double containment storehouse is liquid or multiple connected modes connections such as solid -state connector. Wherein in, tapered connector in tapered sleeve pipe form by the epoxy resin material preparation that all insulation hardness is high, and sealed with the apron, through interior tapered sleeve pipe and the insulating annex stress interference fit of the silicon rubber stress cone on the high -low pressure cable for the inseparable laminating of the critical face of the inside contact of interior tapered connector, it is sealed completely to make its inner space form, reaches the electrical safety operation, thereby makes water, moisture, the dust, mechanical external force, toys etc. All can not influence, dip and destroy.

Description

A fast-charging underground box-type substation

technical field

The utility model relates to the technical field of charging box substations, in particular to a fast-charging buried box substation.

Background technique

The new energy hybrid vehicle is a new type of green environmental protection tool, which is gradually accepted by the public due to its advantages of energy saving and emission reduction, and has driven the application and development of a series of supporting charging facilities. As far as electric vehicle AC charging piles are an important part of the development of electric vehicles, the infrastructure construction of the charging system is insufficient, and the large footprint makes it difficult to select a site; some pre-installed box-type substations are too far away from the charging terminal. Voltage drop loss, high cost of long-distance cables, and technical problems of electric energy waste; because the flat-structured box-type substation and charging piles are installed in public buildings (office buildings, shopping malls, public parking lots, etc.) and residential area parking lots or charging stations. Difficult to be compatible will seriously restrict the development of the electric vehicle industry.

Utility model content

The purpose of the present utility model is to provide a fast-charging underground box-type substation to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fast-charging buried box transformer, including a landscape-type power distribution cabinet installed on the ground, an underground transformer installed in the underground prefabricated pit, and an underground The low-voltage power distribution cabinet on the upper part of the type transformer. The transformer core is set inside the underground type transformer. The top of the landscape type power distribution cabinet is equipped with a solar polysilicon panel. The LED energy-saving lamps inside the wings of the advertising light box are electrically connected. The surface of the wing of the advertising light box is provided with ventilation and cooling holes, and the fixed frame of the advertising curtain on the side of the wing of the advertising light box is also equipped with a light box media advertising curtain. The wings of the advertising light box on both sides can pass through The air pressure support rods are opened at 90 degrees to both sides, and there are fixed support rods inside the wings of the advertising light box. Cabinets and car charging piles, the side of the landscape type power distribution cabinet is equipped with at least one charging pile, the side of the charging pile is equipped with an installation window, and the front is equipped with signal indicators, human-computer interaction interface, IC card Card reader and car charging socket, the car charging station pile is hinged with an independent screen door, side panel vents are provided on the upper and lower sides of the screen door, and ventilation shutters and installation bases are installed under the landscape type power distribution cabinet. The base of the above-mentioned installation base is provided with reserved holes for cable inlet and outlet, fixed reinforcement beams, drainage pipes, and an inspection door cover. The inspection door cover can be opened by shielding locks and air pressure ejector rods. Under the inspection door cover, there is an underground transformer maintenance facility. There is a prefabricated pit assembly under the base of the installation base. Lifting rings and grounding modules are provided on both sides of the prefabricated pit assembly. A pump is installed inside the prefabricated pit assembly. High-voltage cables and low-voltage cables are connected to the Underground is the high-voltage connection sealed cabin and the low-pressure sealed cabin at the upper end of the transformer are respectively sealed and connected, and at least one low-water storage tank is designed inside the prefabricated steel structure pit.

Preferably, the landscape type power distribution cabinet installed on the ground is made of stainless steel, and the outer protective paint with strong adhesion is used for outer layer protection.

Preferably, the installation base is one of stainless steel products, steel plates, or concrete structures.

Preferably, the transformer used in the buried composite transformer is a low-loss S11 type or an amorphous alloy core transformer.

Preferably, a solar power generation system is installed on the top of the landscape type power distribution cabinet, and the solar power generation system is connected to a light source through a light sensing system.

Preferably, the car charging station pile is set inside the landscape-type box-type substation.

Preferably, a water pump for discharging accumulated water in the prefabricated pit is installed in the prefabricated pit.

Compared with the prior art, the beneficial effects of the utility model are: 1. The interior of the high-voltage and low-voltage sealed cabin of the fast-charging buried box transformer adopts an inner cone connector, a fully sealed power cable connector for quick installation and plugging, and a double A variety of connection methods such as liquid or solid connectors in the sealed chamber are connected. Among them, the inner tapered sleeve of the inner tapered connector is made of epoxy resin material with full insulation and high hardness, and is sealed with the cover plate. The stress interference fit of the insulating accessories makes the internal contact critical surface of the inner cone connector closely fit, so that the internal space is completely sealed to achieve electrical safety operation, so that water, moisture, dust, mechanical external force, small animals, etc. are all protected Cannot be affected, immersed and destroyed.

2. The underground transformer selected by the fast-charging buried box-type transformer adopts a low-loss S11 or SH15 amorphous alloy iron core transformer, which greatly reduces no-load energy consumption and no-load current, and meets the requirements of energy conservation and environmental protection. At the same time, the landscape-type buried box-type substation reduces the occupied surface area and has few installation restrictions, so it can be installed near the load center, thereby effectively shortening the radius of low-voltage power supply, which not only saves a lot of cable investment costs, but also makes the line losses are greatly reduced.

3. The transformer of the fast-charging buried box-type transformer is placed in a prefabricated pit, and the transformer adopts a low-loss S11 or SH15 amorphous alloy core transformer, which greatly reduces the noise, and the noise of the transformer has almost no impact on the surrounding environment. At the same time, placing the transformer in the prefabricated pit can also prevent electromagnetic wave radiation and reduce environmental pollution.

4. Install a solar power generation system on the top of the landscape type power distribution cabinet. The solar power generation system is connected to the light source through the light sensing system; The sensor system automatically performs light sensing to adjust the light source switch and automatically illuminate the light source, thereby starting the lighting device of the advertising light box wing, and achieving the purpose of using solar energy to realize the clean energy and energy saving of LED lighting for a single time of not less than 6 hours.

5. The prefabricated pit components are pre-pressed with 4mm or more steel plates, fully enclosed structure, the whole is hot-dip galvanized and sprayed with anti-corrosion topcoat; or prefabricated reinforced concrete structure is adopted, and advanced waterproof technology is used to ensure foundation leakage. A pump is installed at the bottom of the prefabricated pit, and an automatic drainage system is installed. When water enters the pit due to accidents such as rainstorms and floods, the drainage system is automatically activated for drainage.

6. The shell of the underground transformer is made of stainless steel. The anti-corrosion ability of the body is better than that of ordinary carbon structural steel. It is waterproof and anti-rust, which prolongs the service life of the device.

7. The car charging pile is installed inside the ground landscape shell box, which is directly connected to the low-voltage control cabinet output by the underground transformer under the ground to realize high-voltage fast charging and avoid reducing long-distance line voltage drop and power loss.

8. The interior of the ground box is reserved and can accommodate Internet terminals such as China Mobile, China Unicom, and China Telecom, reducing the use of public resources on roads or roads by equipment alone.

9. An intelligent man-machine interface terminal is installed inside the box, which can be integrated into the Internet with the terminal of the intelligent city monitoring system, and uploaded to the comprehensive database for storage in time.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a side view of the utility model.

In the figure: 1 solar polysilicon panel, 2 light box media advertising curtain, 3 landscape power distribution cabinet, 4 installation window, 5 car charging pile, 6 ventilation shutter, 7 installation base, 8 lifting ring, 9 grounding module, 10 low voltage Sealed cabin, 11 underground transformer, 12 ventilation and cooling holes, 13 advertising curtain fixed frame, 14 high-voltage switchgear, 15 drainage pipe, 16 high-voltage cable, 17 low-voltage cable, 18 high-voltage connection sealed cabin, 19 water pump, 20 storage tank, 21 advertising light box wings, 22 side panel vents, 23 screen doors, 24 signal lights, 25 man-machine interface, 26 IC card readers, 27 car charging sockets, 28 reserved holes for outgoing lines, 29 fixed reinforcement beams, 30 fixed Support rod, 31 air pressure support rod, 32 inspection door cover, 33 air pressure ejector rod, 34 low voltage power distribution cabinet, 35 prefabricated pit assembly.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a fast charging buried box transformer, including a landscape-type power distribution cabinet 3 installed on the ground, and an underground type switch cabinet installed in the underground prefabricated pit. The transformer 11 and the low-voltage power distribution cabinet 34 located on the upper part of the underground transformer 11, the transformer core is arranged inside the underground transformer 11, and the interior of the high-voltage and low-voltage sealed compartment of the fast-charging underground box-type transformer adopts an inner cone connector and a quick installation plug. Various connection methods such as unplugged fully sealed power cable connectors and double-sealed chamber liquid or solid connectors. Among them, the inner tapered sleeve of the inner tapered connector is made of epoxy resin material with full insulation and high hardness, and is sealed with the cover plate. The stress interference fit of the insulating accessories makes the internal contact critical surface of the inner cone connector closely fit, so that the internal space is completely sealed to achieve electrical safety operation, so that water, moisture, dust, mechanical external force, small animals, etc. are all protected It cannot be affected, immersed and damaged. The transformer used in the buried combined transformer is a low-loss S11 type or amorphous alloy iron core transformer. The crystal alloy iron core transformer greatly reduces the no-load energy consumption and no-load current, which meets the requirements of energy saving and environmental protection. At the same time, the landscape-type power distribution cabinet 3 substation reduces the occupied surface area and has few installation restrictions, so it can be installed close to the load center, thereby effectively shortening the radius of low-voltage power supply, not only saving a lot of cable investment costs, but also reducing line loss. The landscape type distribution cabinet 3 installed on the ground is made of stainless steel, and the outer protective paint with strong adhesion is used for outer protection. The top of the landscape type power distribution cabinet 3 is equipped with a solar power generation system, and the solar power generation system passes through The induction system is connected to the light source, and the top of the landscape-type power distribution cabinet 3 is provided with a solar polysilicon panel 1, and the solar polysilicon panel 1 is electrically connected to the LED energy-saving lamps inside the advertising light box wings 21 on both sides of the landscape-type power distribution cabinet 3 through the inverter. The surface of the light box wing 21 is provided with ventilation and heat dissipation holes 12 and the advertising curtain fixed frame 13 on the side of the advertising light box wing 21 is also provided with a light box media advertising curtain 2, and the advertising light box wings 21 on both sides can pass through the air pressure support bar 31 to both sides. The advertising light box wing 21 is also equipped with a fixed support rod 30, the solar polysilicon panel 1 is provided with ventilation and cooling holes 12, and the landscape type power distribution cabinet 3 is equipped with a high-voltage switch cabinet 14, a low-voltage power distribution cabinet 34 and an automobile. The charging station pile 5 and the car charging station pile 5 are arranged inside the landscape-type box-type substation. At least one charging station pile 5 is installed on the side of the landscape-type power distribution cabinet 3. The charging pile 5 is directly connected to the low-voltage control cabinet output by the underground transformer under the ground to realize high-voltage fast charging and avoid reducing long-distance line voltage drop and power loss. There are signal indicator lights 24, man-machine interface 25, IC card reader 26 and car charging socket 27, and an independent screen door 23 is hinged outside the car charging station pile 5, and side panel vents are arranged on the top and bottom of the screen door 23 22. Ventilation shutters 6 and installation base pedestal 7 are arranged under the landscape type power distribution cabinet 3. The installation base base 7 is one of stainless steel products, steel plates, or concrete structures. Holes 28, fixed reinforcement beams 29, drain pipes 15 and the installation of the inspection door cover 32, the inspection door cover 32 can be opened through the shield lock and the air pressure ejector rod 33, and the underground transformer 11 inspection port is arranged under the inspection door cover 32, and the installation base There is a prefabricated pit assembly 35 under the pedestal 7, a lifting ring 8 and a grounding module 9 are provided on both sides of the prefabricated pit assembly 35, and a water pump 19, a high-voltage cable 16 and a low-voltage cable are arranged inside the prefabricated pit assembly 35 17 is respectively sealed and connected with the underground high-voltage connection sealed cabin 18 and the low-pressure sealed cabin 10 at the upper end of the transformer, and at least one low-level water storage tank 20 is also designed inside the prefabricated steel structure pit.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A fast-charging underground box-type transformer, including a landscape-type power distribution cabinet (3) located on the ground, an underground transformer (11) located in the underground prefabricated pit, and an underground transformer (11) In the upper low-voltage power distribution cabinet (34), the transformer core is arranged inside the underground transformer (11). The polysilicon plate (1) is electrically connected to the LED energy-saving lamps inside the advertising light box wings (21) on both sides of the landscape type power distribution cabinet (3) through the inverter, and the surface of the advertising light box wings (21) is provided with ventilation and cooling holes ( 12) In addition, the advertising curtain fixed frame (13) on the side of the advertising light box wing (21) is also provided with a light box media advertising curtain (2). Open at ninety degrees, and the advertising light box wing (21) is also equipped with a fixed support rod (30), the solar polysilicon panel (1) is provided with ventilation and heat dissipation holes (12), and the interior of the landscape type power distribution cabinet (3) A high-voltage switch cabinet (14), a low-voltage power distribution cabinet (34) and a car charging stand (5) are provided, and at least one charging stand (5) is provided on the side of the landscape type power distribution cabinet (3), The side of the charging station pile (5) is provided with an installation window (4), and the front is provided with a signal indicator light (24), a human-computer interaction interface (25), an IC card reader (26) and a car charging socket (27), An independent screen door (23) is hinged on the outside of the car charging station pile (5), and side panel vents (22) are provided above and below the screen door (23), and a ventilation port (22) is provided below the landscape type power distribution cabinet (3). Shutters (6) and an installation base pedestal (7), the installation base pedestal (7) is provided with reserved holes (28) for cable inlet and outlet lines, fixed reinforcement beams (29), drainage pipes (15) and installation and inspection door covers ( 32), the inspection door cover (32) can be opened through the shield lock and the air pressure ejector rod (33), the underground transformer (11) inspection port is provided under the inspection door cover (32), and the inspection port of the underground transformer (11) is provided under the installation base pedestal (7). There is a prefabricated pit assembly (35), the two sides of the prefabricated pit assembly (35) are provided with lifting rings (8) and grounding modules (9), and the prefabricated pit assembly (35) is provided with a pump (19), the high-voltage cable (16) and the low-voltage cable (17) are respectively sealed and connected with the high-voltage connection airtight cabin (18) and the low-voltage airtight cabin (10) on the upper end of the transformer under the ground, and are also designed inside the prefabricated steel structure pit. at least one low-water storage tank (20). 2. A fast-charging buried box-type substation according to claim 1, characterized in that: the landscape-type power distribution cabinet (3) installed on the ground is made of stainless steel, and is painted with an outer protective paint with strong adhesion. Outer protection. 3. The fast-charging buried box-type substation according to claim 1, characterized in that: the installation base (7) is one of stainless steel products, steel plates, or concrete structures. 4. A fast-charging buried box-type transformer according to claim 1, characterized in that: the transformer used in the buried combined transformer is a low-loss S11 type or an amorphous alloy core transformer. 5. A fast-charging buried box-type substation according to claim 1, characterized in that: a solar power generation system is installed on the top of the landscape-type power distribution cabinet (3), and the solar power generation system is connected through a light sensing system light source. 6. A quick-charging underground box-type substation according to claim 1, characterized in that: the car charging pile (5) is arranged inside the landscape-type box-type substation. 7. The fast-charging underground box-type substation according to claim 1, characterized in that: a drainage pump for draining accumulated water in the prefabricated pit is installed in the prefabricated pit.