Ring main unit with heat sink

Abstract

The invention discloses a ring main unit with a heat sink. The rain main unit comprises a body and a heat sink, wherein a high voltage part box, a cable box and an operating mechanism box are also arranged in the body, the heat sink comprises an installation frame, a water storage tank, an air pump, an air guide pipe and a jet head, the water storage tank is provided with a heat radiating pipe, one end of the jet head penetrates through the installation frame, the other end of the jet head is connected with the air pump by virtue of the air guide pipe, the water storage tank is provided with the heat radiating pipe, so that cooling water in the water storage box enters the heat radiating pipe, the heat radiating pipe performs the heat exchange for the heat from the outer side surface of acable in the body as well as the heat radiated by the high voltage part box and the operating mechanism box, the air pump sends the cold air from the air guide pipe to the jet head then being ejectedby the jet head, the ejected cold air circulates the heat accumulated on the lower portions of the high voltage part box, the cable box and the operating mechanism box, and the body achieves purposesof good heat radiating effect and long service life.

Description

technical field [0001] The invention discloses the technical field of ring network cabinets, and more specifically discloses a ring network cabinet with a cooling device. Background technique [0002] The ring network cabinet is a set of high-voltage switchgear installed in a steel plate metal cabinet or made into an assembled interval ring network power supply unit. It is widely used in load centers such as urban residential quarters, high-rise buildings, large public buildings, and factories. In the power distribution substation and box-type substation, as far as the current technical conditions are concerned, because the ring main unit is often in a power-on state, the working environment itself is poor, and because it is an electrical equipment, its requirements for temperature are relatively high. If it is too high, it will cause the internal circuit to burn out and cause a short circuit. For example, the application number is 201710653723.5, which is called a ring netw...

AI Technical Summary

Problems solved by technology

[0002] The ring network cabinet is a set of high-voltage switchgear installed in a steel plate metal cabinet or made into an assembled interval ring network power supply unit. It is widely used in load centers such as urban residential quarters, high-rise buildings, large public buildings, and factories. In the power distribution substation and box-type substation, as far as the current technical conditions are concerned, because the ring main unit is often in a power-on state, the working environment itself is poor, and because it is an electrical equipment, its requirements for temperature are relatively high. If it is too high, it will cause the internal circuit to burn out and cause a short circuit. For example, the application number is 201710653723.5, which is called a ring network cabinet with heat dissipation and anti-condensation functions, including cabinet body, top cover, heat dissipation device, anti-condensation device, temperature Sensor and controller, its heat dissipation purpose is to utilize heat dissipation device to carry out heat dissipation, and this heat dissipation device comprises heat sink, blower one and heat dissipation cavity, and described heat dissipation chamber comprises blower two, heat dissipation chamber and ventilation duct, and its heat dissipation mode is, through blower one The cabinet body is radiated, and the fan 2 is arranged in the heat dissipation chamber, and the ventilation pipes are respectively arranged at the corners of the bottom plate and the side wall of the heat dissipation chamber, so that the ventilation pipes can realize the ventilation of the air inside the heat dissipation chamber and the outside air. Convection to achieve the heat exchange of heat inside the heat dissipation chamber, but the structure of the above heat dissipation device is single, and it cannot really achieve high heat dissipation effect during heat dissipation, and the heat dissipation fins of the above heat dissipation device are arranged on the two symmetrical outer walls of the cabinet body. Although such a setting method is convenient for manual replacement of heat sinks, the heat sinks exposed on the outer wall of the cabinet are prone to dust entry, which leads to inability to achieve heat dissipation, and finally leads to low working efficiency and short service life of the cabinet. And the cabinet body and top cover cannot be opened, so it is inconvenient to manually clean up dust and maintain

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