Empowering diverse heat pump applications: Meizhi and Welling presented heat pump system-level solutions at the 14th China Heat Pump Exhibition

[Hebei, Shijiazhuang] On March 16, 2024, GMCC Meizhi and Welling, system-level solution suppliers of core components for consumer appliances, brought products including rotor compressors, scroll compressors, heat pump motors, heat pump fans, and circulation systems. Heat pump core component products including water pumps, electronic expansion valves, and Meiren chips were unveiled at the 14th China Heat Pump Exhibition (HPE 2024), and covered the five major categories of heat pump heating, heat pump water heaters, heat pump heaters, heat pump dryers, and heat pump swimming pools. Scenario system-level solutions meet consumers' diverse heat pump application needs, giving consumers a higher energy efficiency, lower noise, and more reliable heat pump experience.

GMCC Meizhi and Welling Welling appeared at the 14th China Heat Pump Exhibition (HPE 2024)

Performance upgrade! Heat pump core components unveiled in matrix form

In the field of heat pump compressors, Meizhi demonstrated fixed-speed, variable-frequency and other rotary compressors and scroll compressors with continuously upgraded energy efficiency. Among them, Meizhi heat pump heating rotor compressor adopts jet enthalpy increasing technology to effectively improve low-temperature heating capacity and efficiency; heat pump heating scroll compressor adopts asymmetric algebraic spiral design to significantly improve energy efficiency while ensuring high reliability; heat pump water heater rotor The outlet water temperature of the compressor can reach 75℃, and can reach 55℃ in winter, which can meet the needs of efficient operation all year round under various working conditions; the heat pump swimming pool rotor compressor and the heat pump clothes dryer rotor compressor have the advantages of high reliability and wide range. Among them, the rotary compressor of the heat pump clothes dryer also meets the highest energy efficiency standards in Europe.

GMCC Meizhi and Welling Welling appeared at the 14th China Heat Pump Exhibition (HPE 2024)

In the field of heat pump motors, Welling demonstrated multiple motor products with higher energy efficiency, more corrosion resistance, and high reliability that are used in household and commercial air conditioners, heat pump dryers, heat pump heating, and heat pump water heaters. Among them, the heat pump heating motor uses a high-magnetic flux IPM rotor to achieve higher efficiency with a smaller shape; the heat pump clothes dryer motor has an efficiency of up to 78%, and the noise is less than 50 decibels, making it quieter and more efficient.

In the field of heat pump fans, Welling heat pump heating fans use intelligent EC control technology to achieve intelligent feedback of the fan's operating status, and use a large-torque, high-energy-efficiency outer rotor structure design to improve the overall system efficiency; heat pump hot water fans have launched dual-performance and silent models. Improved multiple solutions such as axial flow, forward-inclined centrifugal and backward-inclined centrifugal. Among them, the heat pump hot water axial flow fan uses a three-blade axial flow wind wheel design to achieve greater air volume output; the heat pump hot water forward centrifugal fan is highly efficient and permanent. The magnetic DC external rotor motor is matched with a high-efficiency wind wheel to optimize system efficiency; the heat pump hot water backward-inclined centrifugal fan takes advantage of high static pressure and is suitable for application scenarios such as long piping. In addition, Welling also demonstrated a heat pump heating circulation water pump that is anti-condensation, anti-stuck, and lighter and more efficient.

GMCC Meizhi and Welling Welling appeared at the 14th China Heat Pump Exhibition (HPE 2024)

In addition, Meizhi also demonstrated electronic expansion valves suitable for a variety of scenarios, including the highly reliable and high-precision M series, the low-noise W series and the miniaturized L series; Meiren Chip displayed various MCUs and IPMs Chip products can effectively improve the intelligence level and performance of home appliances.

Various scenes! Heat pump system-level solutions make heating more comfortable and quieter

As a leader in the heat pump industry, Meizhi occupies nearly 40% of the heat pump compressor market, ranking first in the industry. With its product synergy advantages in compressors, motors, circulation pumps, valves and home appliance chips, Meizhi provides consumers with Provides system-level solutions for different scenarios:

Focusing on the heat pump heating scenario, Meizhi and Welling bring diversified solutions with different advantages such as ultra-high energy efficiency, green environmental protection, and extreme silence. Among them, the ultra-high energy efficiency heat pump heating solution meets the latest domestic first-level energy efficiency requirements. The compressor used is equipped with a high-efficiency pump body and a high magnetic density motor to improve energy efficiency, and uses environmentally friendly refrigerant; the motor used uses the end of the IPM parallel magnetic circuit to collect magnetism. As well as magnetic leakage blocking technology, it comprehensively improves magnetic flux and back electromotive force performance; it is also the first to use BMC plastic packaging technology for circulation pumps and mature electronic control support solutions to provide consumers with an efficient and energy-saving one-stop heat pump heating experience.

GMCC Meizhi and Welling Welling appeared at the 14th China Heat Pump Exhibition (HPE 2024)

In the heat pump water heater scenario, Meizhi and Welling demonstrated a full range of product solutions using R290 environmentally friendly refrigerant, while meeting higher environmental standards and users' high water temperature needs. By integrating high-efficiency compressors, motors and valve products, this solution can achieve a high water temperature of 70°C, while further improving efficiency and reliability, and using fluid-structure coupling optimization design to reduce noise; in addition, it also meets North American energy efficiency upgrade requirements The heat pump water heater solution has a maximum condensation temperature of 81°C and a maximum outlet water temperature of 75°C.

Focusing on the heat pump dryer scene, Meizhi and Welling integrate compressor and motor products to meet the needs of different energy efficiency levels and market positioning with diversified overall solutions, demonstrating the advantages of high energy efficiency and low noise, which meet the needs of new European customers. The solution for Class A and Class B energy efficiency requirements has a maximum condensation temperature of 83°C, achieving high load, fast drying and extreme silence.

In the heat pump heater scenario, Meizhi and Welling's solutions use R32 environmentally friendly refrigerant and double-cylinder low-vibration technology, with a maximum condensation temperature of 65°C to ensure rapid hot air output. At the same time, they use silencers and high-fixed-frequency liquid storage tanks. The end product runs quieter.

In the heat pump swimming pool scenario, Meizhi and Welling's system-level solutions demonstrate large capabilities, high reliability, and wide range characteristics. The design life of up to 60,000 hours ensures long-term reliable operation under various working conditions.

With the widespread application and rapid iteration of heat pump products, heat pump products are showing the development trend of frequency conversion, intelligence, and low carbonization, and their application scope has also expanded from traditional heating to more diverse fields. Relying on their deep technological accumulation in the field of heat pumps and continuous innovation and breakthroughs in the core components of heat pumps, Meizhi and Welling will promote the heat pump industry towards high efficiency, intelligence, environmental protection, etc. with excellent product performance and system-level solutions. development and contribute to China’s heat pump industry leading the world.