Novel 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

Application Number
CN202521407641.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2026-07-10
Estimated Expiration
2035-07-07

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

The utility model discloses a novel controller and an electric compressor. A voltage regulation module is used for reducing voltage and supplying power to a main control chip; the signal transmission module comprises an isolation circuit used for isolating signals and an LIN communication chip used for communication, the isolation circuit is electrically connected with the main control chip, the model of an isolation chip adopted by the isolation circuit is NSI8221, the LIN communication chip is electrically connected with the isolation circuit, and the model of the LIN communication chip is NCA1021; the main control chip is connected with the signal transmission module and used for signal transmission, the model of the main control chip is AMC3064Q, and the main control chip is electrically connected with the driving circuit and the sampling circuit and used for controlling the switch module through the driving circuit and collecting signals through the sampling circuit. By using the domestic chip, the processing cost of the motor controller can be reduced while the operation stability is ensured, the production stability of the compressor is improved, and the supply efficiency of the compressor is improved.
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