Energy-saving street lamp box type transformer substation

Abstract

The utility model discloses an energy-saving street lamp box type transformer station, comprising a cabinet body, the top of the cabinet body is provided with a rain shelter, a solar panel is laid on the rain shelter, a transformer assembly is installed in a transformer chamber in the cabinet body, a cable in the cabinet body penetrates out of a bend pipe with a downward opening, the bottom of the bend pipe is connected with a cable arranging pipe, and the cable arranging pipe is connected with a power supply. A trumpet-shaped waterproof cover is arranged in the wire arranging pipe, a waterproof bin is arranged at the corner of an inner cavity of the cabinet body, and an exhaust fan is arranged in the waterproof bin. According to the utility model, the structure design is scientific and reasonable, cables are guided and arranged through the bent pipe with the downward opening, water flow can be prevented from entering the cabinet body, the cable arrangement pipe is arranged at the bottom of the bent pipe, the cables can be fixed through the horn-shaped opening in the cable arrangement pipe and the waterproof cover with good flexibility, and the cable arrangement efficiency is improved. Meanwhile, the size of a gap outside the cable can be reduced, and external dust and moisture are prevented from entering the cabinet body through the cable arrangement mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of street light box-type substation equipment, in particular to an energy-saving street light box-type substation. Background Art

[0002] Outdoor box-type substations are mainly used for urban public lighting and road construction street lighting. They are compact distribution equipment that integrates high-voltage cabinets, distribution transformers, low-voltage distribution devices, and electric energy metering equipment according to a certain line plan. Publication No. CN 207819275 U proposes a street light box-type substation, including a cabinet, a lower transformer room and an upper low-voltage room are arranged in the cabinet, wherein a transformer, a high-voltage incoming cable, a low-voltage incoming cable box, and a low-voltage cable feeder box are installed in the lower transformer room, the transformer is fixed on one side of the bottom of the lower transformer room, the transformer is connected to the high-voltage incoming cable, the low-voltage incoming cable box is installed above the transformer, the low-voltage cable feeder box is installed on the other side of the lower transformer room, the cable from the transformer low-voltage pile head to the low-voltage incoming switch is installed in the low-voltage incoming cable box, the cable from the transformer low-voltage feeder switch to the street light pole is installed in the low-voltage cable feeder box, a metering hanging meter unit is installed in the upper low-voltage room, the metering hanging meter unit is hung on one side of the upper part of the upper low-voltage room, and the metering hanging meter unit is connected to the power supply line through the incoming line unit. The device is wired through a low-voltage cable feeder box and an incoming cable box. When the cable is connected to an external mechanism, if the cable cannot be effectively sealed and protected, moisture and dust from the outside can easily enter the cabinet from the wiring mechanism with the airflow. Therefore, the device has certain disadvantages. To this end, we propose an energy-saving street light box substation. Utility Model Content

[0003] The purpose of the utility model is to provide an energy-saving street light box-type substation to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving street light box-type substation, comprising a cabinet, a rain shelter is arranged on the top of the cabinet, solar panels are laid on the rain shelter, a transformer assembly is installed in the transformer room in the cabinet, the cables in the cabinet pass through a downwardly opened curved pipe, a wire pipe is connected to the bottom of the curved pipe, a trumpet-shaped waterproof cover is arranged in the wire pipe, a waterproof compartment is arranged at the corner of the inner cavity of the cabinet, and an exhaust fan is arranged in the waterproof compartment.

[0005] In the above solution, the cabinet is installed on a base, and a support block is provided at the bottom of the base.

[0006] In the above solution, a side door is hingedly installed on the side of the cabinet.

[0007] In the above solution, a battery is arranged in the cabinet.

[0008] In the above solution, heat dissipation fins are arranged on the outside of the transformer assembly, and a support base is provided at the bottom of the transformer assembly.

[0009] In the above solution, the cable duct is threadedly connected to the bent pipe through the spiral portion at the top, and a blocking block is arranged inside the cable duct.

[0010] In the above solution, through holes are provided on the waterproof compartment and the side surface of the cabinet.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the energy-saving street light box-type substation has a simple and reasonable structural design and strong practicality. The protective mechanism formed by arranging a rain shield on the top of the cabinet can form a certain protective effect on the cabinet, and the solar panels arranged on the surface of the cabinet can absorb solar energy and convert it into electrical energy for storage, thereby achieving the effect of using clean energy to power the equipment and realizing energy saving. By arranging heat dissipation fins on the outside of the transformer assembly, the heat inside the cabinet can be assisted to be discharged, and the air flow inside and outside the cabinet can be quickly adjusted by the exhaust fan, thereby effectively improving the heat dissipation efficiency inside the cabinet. In addition, by arranging a downward-opening curved pipe to guide and arrange the cables, water can be prevented from entering the cabinet. At the same time, by arranging a wire pipe at the bottom of the curved pipe, the cables can be fixed through a trumpet-shaped opening inside the wire pipe and a waterproof cover with good elasticity, and the size of the gap on the outside of the cable can be reduced to prevent external dust and moisture from entering the cabinet through the wire arrangement mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the internal structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the internal structure of the cable tray of the utility model.

[0015] In the figure: 1 cabinet, 11 base, 12 support block, 13 side door, 14 rain shelter, 15 solar panel, 16 battery, 17 transformer room, 18 transformer assembly, 19 support seat, 2 heat sink fins, 21 elbow, 22 cable tube, 23 spiral part, 24 waterproof cover, 25 cable, 26 block, 27 waterproof compartment, 28 through hole, 29 exhaust fan. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: an energy-saving street light box-type substation, including a cabinet 1, a rain shelter 14 is arranged on the top of the cabinet 1, a solar panel 15 is laid on the rain shelter 14, a transformer assembly 18 is installed in a transformer chamber 17 in the cabinet 1, and a cable 25 in the cabinet 1 passes through a downwardly opened curved pipe 21, a cable duct 22 is connected to the bottom of the curved pipe 21, and a trumpet-shaped waterproof cover 24 is arranged in the cable duct 22. Specifically, the waterproof cover 24 adopts a good elastic The silicone rubber cover structure is used, and the cables passing through the inside are blocked and protected by gradually shrinking the opening. In addition, a downward-opening curved pipe 21 is provided to guide and arrange the cables 25, so as to prevent water from entering the cabinet 1. At the same time, a cable duct 22 is provided at the bottom of the curved pipe 21, and a waterproof cover 24 with a trumpet-shaped opening inside the cable duct 22 and good elasticity can be used to fix the cable 25. At the same time, the size of the gap on the outside of the cable 25 can be reduced, so as to prevent external dust and moisture from entering the cabinet 1 through the cable duct mechanism.

[0018] A waterproof compartment 27 is provided at a corner of the inner cavity of the cabinet 1, and an exhaust fan 29 is provided in the waterproof compartment 27. By providing an aluminum heat sink fin 2 outside the transformer assembly 18, the heat inside the cabinet can be discharged by utilizing its good thermal conductivity, and the air flow inside and outside the cabinet 1 can be quickly regulated by the exhaust fan 29, thereby effectively improving the heat dissipation efficiency inside the cabinet 1. Specifically, the exhaust fan 29 is connected to the battery 16 through a wire, and then the device can be powered by solar energy.

[0019] In the above solution, the cabinet 1 is installed on the base 11, and a support block 12 is provided at the bottom of the base 11. The cabinet 1 is stably supported by the base 11 and the support block 12.

[0020] In the above solution, a side door 13 is hingedly mounted on the side of the cabinet 1. The side door 13 is fixed to the cabinet 1 by a mechanical lock.

[0021] In the above scheme, a storage battery 16 is arranged in the cabinet 1. The protection mechanism formed by arranging a rain shield 14 on the top of the cabinet 1 can provide a certain protection effect for the cabinet 1, and the solar panels 15 arranged on the surface of the cabinet 1 can absorb solar energy and convert it into electrical energy for storage, so as to achieve the effect of using clean energy to power the equipment and realize energy saving effect.

[0022] In the above scheme, the heat sink fins 2 are arranged on the outside of the transformer assembly 18. Specifically, the heat sink fins 2 can be fins made of aluminum or aluminum alloy. The heat inside the transformer assembly 18 can be conducted out through the heat sink fins 2 in contact with the transformer assembly 18, and a support base 19 is provided at the bottom of the transformer assembly 18. The support base 19 stably supports the transformer assembly 18.

[0023] In the above solution, the cable duct 22 is screwed to the elbow 21 through the spiral portion 23 at the top, and a block 26 is provided in the cable duct 22. The spiral connection method can facilitate the disassembly, maintenance and replacement of the cable duct 22, effectively reducing the use cost of the device and improving the use effect. The block 26 is clamped in the slot on one side of the waterproof cover 24 to improve its installation stability.

[0024] In the above solution, the waterproof compartment 27 and the side of the cabinet 1 are both provided with through holes 28. Specifically, a dustproof net is provided in the through hole 28 to prevent external dust from entering the cabinet 1.

[0025] Working principle:

[0026] This energy-saving street light box-type substation, when working, can extract the internal heat of the transformer assembly 18 through the heat dissipation fins 2 in contact with the transformer assembly 18, and can quickly adjust the air flow inside and outside the cabinet 1 through the setting of the exhaust fan 29, so as to effectively improve the heat dissipation efficiency inside the cabinet 1, and guide and arrange the cables 25 that need to be led out of the transformer assembly 18 through the downwardly opened curved pipe 21, so as to prevent water from entering the cabinet 1, and at the same time, by arranging a wire duct 22 at the bottom of the curved pipe 21, the cable 25 can be fixed through the waterproof cover 24 with a trumpet-shaped opening inside the wire duct 22 and good elasticity, and at the same time, the size of the gap outside the cable 25 can be reduced, so as to prevent external dust and moisture from entering the cabinet 1 through the wire duct mechanism, thereby achieving the effect of effectively protecting the wire duct mechanism.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving street light box-type substation, comprising a cabinet (1), characterized in that: The cabinet (1) is provided with a rain shelter (14) on the top, and a solar panel (15) is laid on the rain shelter (14). A transformer assembly (18) is installed in a transformer chamber (17) in the cabinet (1). The cables (25) in the cabinet (1) pass through a downwardly opening curved pipe (21). The bottom of the curved pipe (21) is connected to a cable duct (22). A trumpet-shaped waterproof cover (24) is provided in the cable duct (22). A waterproof compartment (27) is provided at a corner of the inner cavity of the cabinet (1), and an exhaust fan (29) is provided in the waterproof compartment (27).

2. The energy-saving street light box substation according to claim 1 is characterized in that: The cabinet (1) is installed on a base (11), and a support block (12) is provided at the bottom of the base (11).

3. The energy-saving street light box-type substation according to claim 1 is characterized in that: A side door (13) is hingedly mounted on the side of the cabinet (1).

4. The energy-saving street light box-type substation according to claim 1 is characterized in that: A storage battery (16) is arranged in the cabinet (1).

5. The energy-saving street light box-type substation according to claim 1 is characterized in that: The transformer assembly (18) is provided with heat dissipation fins (2) on the outside, and a support base (19) is provided at the bottom of the transformer assembly (18).

6. The energy-saving street light box-type substation according to claim 1 is characterized in that: The cable duct (22) is threadedly connected to the curved pipe (21) via a spiral portion (23) at the top, and a blocking block (26) is arranged inside the cable duct (22).

7. The energy-saving street light box-type substation according to claim 1 is characterized in that: The waterproof bin (27) and the side surface of the cabinet (1) are both provided with through holes (28).

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