Single-phase motor starting and running module

Abstract

The invention provides a single-phase motor starting operation module, belonging to a refrigeration compressor motor starting operation device. The single-phase motor starting operation module comprises a box body which is provided with a box cavity, wherein a compressor starter cavity is partitioned from the box cavity, and a motor operation capacitor box extends from the back side of the box body; a compressor starter which is arranged in the compressor starter cavity; and a compressor motor operation capacitor which is arranged in a capacitor box cavity and is electrically connected with the compressor starter. The single-phase motor starting operation module is characterized in that the single-phase motor starting operation module also comprises a compressor electrical wiring buckle seat and an electrical transition connection mechanism, the compressor electrical wiring buckle seat is formed at the right side of the box body, the electrical transition connection mechanism is embedded to the compressor electrical wiring buckle seat, the box body is provided with a box cover, a capacitor box cavity cover plate extends from the box cover, and the compressor starter comprises a positive temperature coefficient thermistor resistor, a first electrical connector and a second electrical connector. The quantity of molds in manufacturing is reduced, the manufacturing efficiency is improved, the structure is compact, the assembly efficiency is high, the size is small, the electrical connection is reliable, and the efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of motor starting and running devices for refrigeration compressors, and in particular relates to a single-phase motor starting and running module, which integrates a compressor starter and a motor running capacitor to form an integral modular structure. Background technique [0002] As known in the industry, there is a starter in series in the starting circuit of the refrigeration compressor, and the positive temperature coefficient thermistor (PTC) of the starter is in a small resistance conduction state at normal temperature, and when the compressor When the machine is energized and started, the current passes through the PTC and a pair of inserts (also known as contacts) that are in electrical contact with both sides of the PTC to connect the starting circuit of the compressor to start the refrigeration compressor motor. At the same time, at the moment when the compressor motor starts, the current flowin...

AI Technical Summary

Problems solved by technology

However, the two patents have the following common technical problems: first, the patents focus on their own modularization effect, while ignoring the effect of quick positioning and installation with the installation substrate in the refrigerator; second, the function is single, such as the two The patent does not have the function of providing a transfer or relay function for the corresponding line connection of the refrigeration compressor, because the line connecting the compressor includes the power line, the main line of the compressor, the auxiliary line of the compressor, and the grounding protection line, etc. Therefore, if The reasonable position of the shell is equipped with the terminal block for the power line of the compressor, the main and auxiliary lines of the compressor, and the grounding protection line, and the terminal box is equipped with terminals for these lines, so that not only the connection of the compressor can be significantly improved. It can not only regulate and regularize the wiring, but also play a corresponding role in electrical safety and improve the wiring efficiency of the compressor.

In view of these shortcomings, the applicant applied for a patent No. ZL201220731602.0 (modular structure of refrigeration compressor motor starter and motor running capacitor), but this patent still has the following shortcomings: First, due to the The mechanism (the patent application is called compressor electrical junction box seat) is separated from the box that is used to set the compressor starter and compressor motor running capacitor, so there are many molds, loose and complicated structure, cumbersome installation and assembly, and difficult installation effect. Second, due to the lack of an electrical transition connection mechanism for the electrical connection between the compressor starter and the compressor motor running capacitor and the compressor terminal on the compressor electrical junction box seat, it needs to be used in actual use The wires are connected manually by workers, which may affect the reliability of electrical connections to a certain extent, because manual connections are easily affected by factors such as differences in workers' experience, differences in responsibility, and even emotional changes.

Especially, this wiring process is carried out in the production process of refrigeration equipment such as refrigerators, so a lot of manpower needs to be invested in the production line of refrigeration equipment, which is really a kind of confusion for today's increasingly scarce labor resources; third, In order to meet the positioning of the wires after manual wiring, a line positioning mechanism is formed on one side of the length direction of the box body, that is, the front side, and extends on the right side of the box body and at a position corresponding to the motor running capacitor box. A circuit fixing mechanism is formed, which leads to a bulky box body and a waste of materials for making the box body; fourth, it is difficult to regulate the electrical connection between the compressor and the power supply, which not only affects the efficiency of the electrical connection but also affects the electrical connection reliability

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