A new type of controller and electric compressor

By using domestically produced chips and a new type of controller with modular design, the problems of high cost and high failure rate of electric compressor controllers have been solved, achieving a dual reduction in stability and cost, and improving the production efficiency and reliability of the compressor.

CN224479029UActive Publication Date: 2026-07-10SUZHOU ZHONGCHENG NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU ZHONGCHENG NEW ENERGY TECH CO LTD
Filing Date
2025-07-07
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing electric compressor controllers are expensive and prone to failure, affecting normal operation, making it difficult to achieve the stability and cost reduction of domestically produced chips.

Method used

By adopting domestically produced AMC3064Q main control chip, NSI8221 isolation chip and NCA1021 LIN communication chip, combined with power supply module, voltage regulation module, signal transmission module, drive circuit and switch module, a new type of controller is formed to achieve electromagnetic isolation and signal transmission, and reduce the cost of motor controller.

Benefits of technology

While ensuring stability, it significantly reduces the processing cost of the motor controller, improves the stability and supply efficiency of compressor production, and suppresses high-frequency noise and oscillation.

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Abstract

This utility model discloses a novel controller and electric compressor. A voltage regulation module reduces voltage and supplies power to the main control chip. A signal transmission module includes an isolation circuit for signal isolation and a LIN communication chip for communication. The isolation circuit is electrically connected to the main control chip, and the isolation chip used is an NSI8221. The LIN communication chip is electrically connected to the isolation circuit, and its model is NCA1021. The main control chip is connected to the signal transmission module for signal transmission. The main control chip is an AMC3064Q. The main control chip is electrically connected to both a drive circuit and a sampling circuit, controlling the switching module through the drive circuit and acquiring signals through the sampling circuit. This utility model, using the aforementioned domestically produced chip, ensures operational stability while reducing the processing cost of the motor controller, improving the stability of compressor production, and increasing the compressor's supply efficiency.
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