Relays in new energy vehicles: driving the efficiency and complexity of electrical systems

Update:15-08-2024

With the global emphasis on environmental protection and sustainable development, new energy vehicles, as the development direction of the future automotive industry, are changing our way of travel at an unprecedented speed. In this transformation, the role and importance of relays as key components in electrical systems have also undergone profound evolution. Relays in new energy vehicles are no longer limited to low-voltage circuit control such as lights, wipers, and windows in traditional vehicles, but are widely used in more core and more complex electrical systems, becoming an indispensable part of promoting the efficient operation of new energy vehicles.

Wide application of high-voltage relays
The core of new energy vehicles lies in their power system, and the power supply lines of the main circuit of the power battery, the fast charging circuit, and the motor, DCDC converter, air conditioning compressor, heater and other high-voltage electrical appliances are the heart and blood of this system. The relays in these high-voltage lines not only undertake the task of opening and closing the current, but also need to have the ability to work stably under high voltage and high current environments. They are like precise switch valves, accurately controlling the flow of energy to ensure the safe and efficient operation of the electrical system.

Promoting the efficiency and complexity of electrical systems
The wide application of high-voltage automotive relays makes the electrical system of new energy vehicles more complex and efficient. On the one hand, they achieve on-demand energy distribution and improve energy utilization efficiency by precisely controlling the power supply status of each component; on the other hand, the addition of these relays also makes the control logic of the electrical system more complex, requiring more advanced control algorithms and technical means to ensure the stable operation of the system. However, it is this complexity that brings better performance and richer functional experience to new energy vehicles.

Higher requirements for relay performance and quality
With the continuous upgrading and complexity of the electrical system of new energy vehicles, higher requirements are also placed on the performance and quality of relays. First, relays need to have good high voltage and high current resistance to ensure stable operation under extreme working conditions; secondly, they need to have characteristics such as fast response, low energy consumption, and long life to meet the pursuit of high efficiency, energy saving, and reliability of new energy vehicles; finally, with the continuous development of intelligent network technology, relays also need to have the ability to communicate with the vehicle network to achieve more intelligent control and management.

As a key component in the electrical system, the role and importance of relays in new energy vehicles are self-evident. They not only promote the efficient and complex development of the electrical system of new energy vehicles, but also provide strong support for the continuous innovation of the new energy vehicle industry. In the future, with the continuous advancement of technology and the continuous expansion of the market, we have reason to believe that relays in new energy vehicles will usher in a broader development space and better application prospects.

Zhejiang Zhongxin New Energy Technology Co., Ltd.
Zhongxin has more than ten years of relay research and development, manufacturing experience. A number of technical talents are experts in the field of relay research and development in China earlier, with strong technical force. They are the standard drafting units for the domestic magnetic latching relay industry, and are national high-tech enterprises undertaken by the National 863 Spark Program.
● Our annual production capacity reaches more than 50 million pieces
● We have a strong R & D team
● We have two own production plants
● We have our own testing laboratory and the most advanced and complete testing equipment