The company established a technology research and development center in 1998, and uses 5% of the total annual sales revenue for the center's scientific research and development. After the center was established, it has developed low-voltage electrical appliances, instruments and meters, and complete sets of equipment. There are 28 major series of new products with Huanyu's independent intellectual property rights, including 11 national patents including 2 invention patents, 2 national new products and 32 provincial new products. HUM8-250S has won the National Torch Plan project. The company established a postdoctoral mobile workstation with the support of the National Ministry of Personnel, and the company has therefore become a high-tech enterprise in Zhejiang Province, an outstanding enterprise in scientific and technological progress in Zhejiang Province, and a technology research and development center in Zhejiang Province.
Carry out smart grid research. The intelligence of the grid is based on an integrated, high-speed two-way communication network, through advanced sensing and measurement technology, advanced equipment technology, and advanced control methods. and the application of advanced decision support system technology. Actively undertake the key project of Zhejiang Province's block economy "R&D and Industrialization of Low-voltage Electrical Equipment for Intelligent Distribution Networks" to achieve the goals of making the power grid reliable, safe, economical, efficient, environmentally friendly and safe to use, and to allow for various power generation The access to the power supply starts the optimized and efficient operation of the power market. Zhizheng strives to put people first in technology and quality in products.
List of some of Huanyu's scientific research achievements:
DTSF881 electronic three-phase four-wire multi-rate electric energy meter
The product uses a three-phase electric energy measurement chip and a microprocessor As the core, double-pulse communication is used between the electric energy measurement unit and the microprocessor, which can effectively prevent interference and determine the direction of the flow; the input and output ports and RS485 communication interface are equipped with varistor, safety capacitor and transient suppression diode respectively. Improved product reliability. The product has the characteristics of high power measurement accuracy, accurate timing, reliable communication, easy operation and use, and the ability to record abnormal errors.
HF1R-12D/T200-31.5 (high voltage) fuse combination appliance
This product integrates isolation switch, load switch and grounding switch, and is innovative in vacuum arc extinguishing technology . It has the advantages of high voltage resistance, stable insulation strength, rapid post-arc recovery, strong breaking ability, small electrical wear and high number of breaking times.
HUSD2 series dual power automatic switching device
The transmission part of the product is made of nylon and carbon steel, so that the friction coefficient of the mechanism part decreases with the increase of load, which increases the transmission effect; The head is made of new wear-resistant silver-tungsten alloy CAgWC40, and the static contact is made of silver-tungsten carbide graphite alloy CAgW12C3, which improves the contact life and breaking capacity; the controller has functions such as phase loss protection, under-voltage protection, and load-side fault alarm.
HUM8 series (intelligent) plastic case circuit breaker
This product adopts modular structure and single-chip microcomputer control, and has the characteristics of communication, intelligence, high breaking, zero flashover, small size Small, beautiful appearance, high reliability and other characteristics. The products are innovative in terms of modular design, contact materials and structures.
HUM18LE series leakage circuit breaker
This series of leakage circuit breakers adopts a unique leakage tripping and re-buckling handle, which has the characteristics of reasonable structure, complete specifications and high breaking capacity. The appraisal committee believed that the development of the product was successful and met the requirements of the new product trial production plan mission statement.
HUW8-1600 Intelligent Universal Circuit Breaker
The control unit of this product is based on a single-chip microcomputer and adopts a modular structure. It independently designs a control reset mechanism and has diversified protection functions. It has the characteristics of small size, novel appearance and high cost performance. The products have innovations in porous layered arc extinguishing technology, dynamic and static contact materials and structures.