Electric scroll air conditioning compressor

NF-EZC4504

The electric vehicle air conditioning compressor is a core power component of the air conditioning system in new energy vehicles, and a key device for ensuring vehicle ride comfort, battery safety, and overall vehicle energy efficiency.

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Unlike traditional fuel vehicles that rely on engine belt-driven compressors, new energy vehicles (BEVs, PHEVs, REVs) lack an engine as a power source. Our Electric Air Conditioning Compressor (EACC) is engineered with a built-in permanent magnet synchronous motor, directly powered by the vehicle's high-voltage battery. It serves as the core power component for in-vehicle cooling and auxiliary heating (in heat pump systems), ensuring comfortable cabin temperature while maximizing energy efficiency and extending vehicle range.

Model	NFEZC45
Type	Electric scroll
Refrigerant	R290
Work temperature	-20℃~110℃
Storage temperature	-40℃~110℃
Voltage resistance	leakage current<10mA@2000V(AC)/50HZ
Electrical isolation	≥20MQ@1000V(DC)
Displacement	45CC/r
Speed range	800-8500rpm(Customizable)
Cooling method	sucion gas cooling
Refrigerant leakage rate	≤5g/year
Lubricating oil	PVE
Shell	Cast Aluminum Alloy Shot Peening
Total weight (including oil)	≤7.7kg(including oil)
Install position	near motor or gear case
Suction inner size	Φ28.4mm(Customizable)
Discharge inner size	Φ15.35mm(Customizable)
IP rating	IP67
Material restrictions	ROHS compliance, lead free
Mechanical pressure release	4+0.4Mpa(A)
Suction operating pressure	0.1~0.5Mpa(A)
Discharge operating pressure	0.7~2.8Mpa(A)
Maximum operating pressure	2.8Mpa(A)
Corrosion resistance	500HRs later:functional and less than 5%surface area visual damage
Cleanliness	Impurity weight 10mg,size 0.5mm max ,seal inlets and outlets use dust caps for shipping

Working Principle

1. Power supply: The vehicle's high-voltage battery provides power, and a built-in permanent magnet synchronous motor drives the compressor's scroll/piston to compress the refrigerant.

2. Refrigeration cycle: The compressor converts a low-temperature, low-pressure gaseous refrigerant into a high-temperature, high-pressure gaseous refrigerant. This gaseous refrigerant enters a condenser, where it gives off heat and turns into a liquid. The liquid refrigerant then reduces its pressure through an expansion valve and enters the evaporator, where it absorbs heat from the vehicle interior and turns into a gas. It then returns to the compressor to complete the cycle, cooling the vehicle interior.

3. Heat pump heating cycle: By reversing the flow direction of the refrigerant through a four-way valve, the compressor transfers heat from the external environment (even at low temperatures) to the interior of the vehicle, providing efficient winter heating.

Our electric air conditioning compressors are widely used in various new energy vehicle fields:

- Passenger Vehicles: Pure electric sedans, SUVs, hatchbacks, plug-in hybrid vehicles.

- Commercial Vehicles: Electric buses, electric logistics vehicles, electric vans.

- Special Vehicles: Electric forklifts, electric engineering machinery, electric sightseeing vehicles.

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