CN-224230479-U - Ice machine compressor starting cabinet

Abstract

The utility model discloses an ice machine compressor starting cabinet which comprises a cabinet body and a starting unit arranged in the cabinet body, wherein a heat radiating unit is arranged on one side of the cabinet body. The heat dissipation unit comprises a fan, an exhaust pipe and an air inlet pipe, wherein the air inlet pipe is fixed on the cabinet body and sleeved at one end of the exhaust pipe, and the fan is fixed at the other end of the exhaust pipe and positioned in the pipe. An exhaust passage is formed in the exhaust pipe, and an air inlet passage is formed between the exhaust pipe and the air inlet pipe. The cross section of the exhaust channel is in a gradual change structure, gradually becomes smaller from the fan side to the inner side of the cabinet body, and gradually becomes larger from the inner side to the outer side. The air inlet pipe and the air outlet pipe are fixed through the supporting frame, the air inlet pipe is positioned at the top of the cabinet body, and the inlet is close to the starting unit radiator. The top of the cabinet body is provided with a shielding the cover covers the inlet of the air inlet pipe, the end part of the air inlet pipe is provided with a filter screen. The cabinet body is also provided with a temperature sensor which is connected with the fan. The utility model optimizes the air flow path through the gradual change exhaust channel and the sleeved pipeline, combines the protection structure, has compact structure and is suitable for preparing a cold environment.

Inventors

• LI WEIHENG
• LIU XIANGYANG
• LI DAN
• YE LU
• CAI MENGCHUN
• GONG LINGHUA

Assignees

• 重庆朝阳气体有限公司

Dates

Publication Date

20260512

Application Date

20250424

Claims (7)

1. 1. The starting cabinet for the ice machine compressor comprises a cabinet body and a starting unit arranged in the cabinet body, and is characterized in that one side of the cabinet body is provided with a radiating unit, and the radiating unit comprises a fan, an exhaust pipe and an air inlet pipe; The air exhausting channel is of a cross section gradual change structure, the cross section of the air exhausting channel from the fan side to the inner side of the cabinet body gradually becomes smaller, and then gradually becomes larger from the inner side of the cabinet body to the outer side of the cabinet body, the fan drives air in the cabinet body to be rapidly exhausted along the air exhausting channel, a low-pressure area is formed at the inner side of the cabinet body, and cold air outside the cabinet body enters the cabinet body through the air inlet channel due to the fact that the pressure is larger than that in the cabinet body, so that ventilation and heat dissipation are realized.
2. 2. The ice maker compressor starting cabinet of claim 1, wherein a supporting frame is arranged between the air inlet pipe and the air outlet pipe, and the air inlet pipe is fixedly connected with the air outlet pipe through the supporting frame.
3. 3. The ice maker compressor starting cabinet of claim 1, wherein the air inlet pipe is located at a position near the top of the cabinet body, the air outlet pipe extends to a side opposite to the air inlet pipe in a bent shape, and an inlet of the air inlet pipe is located at a middle position of the cabinet body.
4. 4. The ice maker compressor starting cabinet of claim 3, wherein the starting unit is provided with a radiator, and the inlet of the air inlet pipe is positioned close to the radiator.
5. 5. The ice maker compressor starting cabinet of claim 1, wherein a shielding cover is arranged at the top of the cabinet body, extends outwards from the top of the cabinet body, and the air inlet pipe is positioned inside the shielding cover.
6. 6. The ice maker compressor starting cabinet of claim 1, wherein a filter screen is arranged at the end of the air inlet pipe.
7. 7. The ice maker compressor starting cabinet of claim 1, wherein a temperature sensor is further arranged in the cabinet body, and the temperature sensor is in linkage with the fan.

Description

Ice machine compressor starting cabinet Technical Field The utility model belongs to the technical field of refrigeration equipment control, and relates to an ice machine compressor starting cabinet which is particularly suitable for starting control equipment for realizing efficient ventilation by optimizing a heat dissipation structure. Background The starting cabinet of the ice machine compressor is an important electrical device for controlling the starting and running of the compressor in a refrigerating system, and has the main functions of reducing the current impact during the starting of the compressor by a soft start technology, reducing the damage to a power grid and mechanical parts, and protecting electrical elements to ensure long-term stable running. With the wide application of refrigeration equipment in industrial, commercial and household fields, the demand for starting a cabinet of an ice machine compressor is increasing, and particularly, the demands for performance and reliability of the refrigeration equipment are continuously increasing in the industries of cold chain logistics, food processing, medicine storage and the like. However, the prior art ice machine compressor start-up cabinet still has some drawbacks in design and application, limiting its performance in certain environments. In conventional ice machine compressor starting cabinets, heat dissipation problems are one of the key factors affecting equipment performance. Since a large amount of heat is generated when the compressor is started and operated, electrical components (such as thyristors, contactors and control circuit boards) in the starting cabinet need to operate in a proper temperature range to avoid performance degradation or component damage caused by overheating. Conventional heat dissipation methods typically rely on simple vents or built-in fans to remove heat by natural convection or forced air flow in a single direction. However, this design has significant limitations in the refrigeration environment. First, the ice machine is usually operated in a low temperature and high humidity state, and external cold air may carry moisture or fine particles into the interior of the cabinet through the vent holes, so that the electrical components are affected with damp or dust, and thus short circuit or corrosion is caused. Secondly, the air current route of traditional ventilation design is single, and heat distribution is uneven, and the internal portion of cabinet is close to the core region of electrical component often is difficult to rapid cooling, influences radiating efficiency. In addition, the vent holes are exposed to the outside, are easily invaded by external foreign matters (such as insects and dust), and increase maintenance difficulty. To solve the heat dissipation problem, some prior art attempts have been made to introduce more complex heat dissipation systems in the start-up cabinet. For example, some designs enhance air circulation by adding multiple fans or external heat dissipation ducts, but this approach often results in a complex cabinet structure, taking up additional space, and not contributing to the compact installation requirements of the ice machine refrigeration equipment. Other designs assist in cooling by adding cooling fins or water cooling devices outside the cabinet body, but the water cooling system may cause condensation or freezing problems in a low-temperature environment, and has high cost and difficult popularization. Still other technologies include simple exhaust pipes in the cabinet, but these pipes are usually designed with a fixed cross section, and the air flow speed and pressure distribution are not optimized, so that stable ventilation circulation cannot be effectively formed, and the heat dissipation effect is limited. Furthermore, the heat dissipation unit of the existing starter cabinet lacks cooperativity with the layout of the electrical components. For example, the heat sink is usually directly fixed to an electrical component (such as a thyristor), but its position is weakly associated with a ventilation path, and it is difficult to fully utilize the cooling capacity of external cold air. The design of the locations of the air inlet and the air outlet also often ignores the characteristics of the refrigerated environment, such as not considering moisture isolation or air filtration, making it difficult to maintain a clean and dry cabinet internal environment. These problems not only reduce the heat dissipation efficiency, but may also affect the life of the electrical components and the overall stability of the system. In view of the above, there is a strong need in the market for an ice machine compressor starting cabinet that has a simple structure, is efficient in heat dissipation, and is adapted to a refrigeration environment. The ideal design should optimize the airflow path to improve ventilation efficiency while maintaining a compact structure, and red