R134A DC 24V Small Portable Compressor for Liquid Cooling Equipment and Micro Mobile Refrigeration System

• Customization: Available
• After-sales Service: Yes
• Warranty: One Year Warranty and Lifetechnical Support
• Model NO.: QX1902VDL
• Principle: Rotary Compressor
• Application: Low Back Pressure Type
• Performance: Low Noise, Variable Frequency, Explosion-Proof, Inverter Compressor
• Mute: Mute
• Lubrication Style: Lubricated
• Drive Mode: Electric
• Configuration: Portable
• Power Source: DC Power
• Material: Cast Iron
• Efficiency Cop: 3.1 W/W
• Voltage: 24V
• Compressor Type: Inverter Rotary Compressor
• Compressor Motor: Variable Speed Motor
• Refrigerant: R134A
• Cooling Capacity: 100W ~ 500W
• Certificate: CCC, Ce
• Custom-Made: Available
• Power Supply: Battery, Solar Power & Car Power
• Applications: Refrigeration & Air Conditioning
• Transport Package: Export Standard Carton & Pallet
• Specification: 24V Small Compressor
• Trademark: RIGID
• Origin: Zhejiang, China
• HS Code: 8414301101
• Production Capacity: 500, 000 Per Year

Product Description

RIGID leads innovation in mini compressors and compact cooling systems. Known for superior design and quality, RIGID has rapidly become a pioneer in microcooling.

 

Despite being a young company, we move swiftly and take responsibility seriously. Our businesses include Mini Compressor, Water Chiller, and Micro DC Aircon. We also provide specialized solutions like Stirling Cryocooler (-160ºC) and DC Condensing Unit, catering primarily to micro deep refrigeration and air conditioning needs.

 

RIGID prioritizes client budgets and works closely with them to enhance competitiveness. Our team works with clients to provide custom refrigeration solutions that meet their requirements.

R134A DC 24V Small Portable Compressor for Micro Mobile Refrigeration System and Liquid Cooling Device

Technical Data

 

Compressor Model	QX1902VDL
Refrigerant	R134a, R290, R1234fy, R404A, R600A
Cooling Capacity	100W~500W Adjustable
Compressor	Brushless Inverter Compressor
Coolant Temperature	0°C to 50°C (32°F to 122°F)
Maximum Power Draw	450 Watts
Voltage	24V DC
Motor Type	Variable Speed Motor
Noise	<40 dBA
Net Weight	1.6 lbs / 0.72kgs
Dimensions ( L x W x H )	57 x 78 mm ( 2.2 x 3.07 in )
Orientation	Must operate within 30° of flat
Operating Ambient Temperature	0°C to 43°C (32°F to 109°F)
Applications	Cooling and Refrigeration

Drawing

 

Detailed Photos

 

Mini Compressor List

Advantage

ELECTRIC INVERTER COMPRESSORS
THE FUTURE OF THERMAL CONTROL OF MOBILE REFRIGERATION

The RIGID R134a DC variable speed hermetic compressor, with rotary speed at 1500rpm ~ 6500rpm adjustable, is suitable for the cooling device with a power of 12V, 24V or 48VDC power supply, Evaporating Temperature at -35 degree ~ 10 degree, especially for using in a mobile refrigeration systems.

Features:

RIGID R134A Electric DC Compressor provides several benefits:
1) The first & proffessional Electric miniature compressor manufacturer in China;
2) Stationary or Portable Available;
3) Minimize weight & footprint & noise;
4) Ultra small size while powerful cooling capacity for precise thermal control;
5) Under-Voltage and Over-Voltage protection, motor over-current and phase lack protection.

Application

RIGID miniature compressor's tiny size and light weight make them ideally suited for mobile or portable small applications, including:

 

Fluid Loop
Water Chiller
Vaccine Fridges
RV Refrigerators
Beverage Cooling
Portable Cooling Systems
Electronics Cooling Systems
Medical Imaging Equipment
Mini-Chilled Water Systems
Miniature Refrigeration/Aircon Systems

FAQ

1. What is a DC Mini Compressor?
A DC mini compressor is a small, electrically powered compressor that operates on direct current (DC), typically 12V, 24V, or 48V. It is commonly used in portable refrigeration, medical cooling, automotive air conditioning, and compact cooling applications.

2. What are the advantages of a DC Mini Compressor?
Compact Size: Suitable for tight spaces. Energy Efficient: Uses only the required power, often with variable speed control. Low Noise & Vibration: Quieter than traditional AC compressors. Low Starting Current: Works well with battery-powered or solar applications.

3. What applications use DC Mini Compressors?
Portable refrigerators & freezers (camping, RVs, medical transport). Automotive cooling systems (car mini air conditioners). Medical cooling (vaccine storage, insulin coolers). Electronics cooling (laser systems, high-performance computing). Small chillers & lab equipment.

4. What power sources can be used for DC Mini Compressors?
Batteries (Lithium-ion, Lead-acid). Solar panels (common in off-grid cooling applications). Vehicle alternators (for mobile refrigeration). AC-DC power adapters (for stationary applications).

5. How is speed controlled in a DC Mini Compressor?
Most DC mini compressors use a PWM signal, 1-5V analog signal, or UART communication to adjust speed. Higher speeds increase cooling capacity, while lower speeds reduce power consumption.

6. What are common issues with DC Mini Compressors?
Overheating: Poor ventilation or excessive load.
Startup failure: Low voltage or incorrect wiring.
Communication errors: Issues with UART or PWM control signals.
Refrigerant leakage: Can affect cooling performance.

7. How efficient are DC Mini Compressors?
DC mini compressors are highly efficient, often achieving a COP (Coefficient of Performance) of 1.5 to 2.0+, depending on operating conditions. Efficiency is improved with variable speed operation and good thermal insulation.

8. What refrigerants are used in DC Mini Compressors?
R134a (commonly used, good for medium temperatures).
R600a (eco-friendly, used in small cooling systems).
R290 (high efficiency but flammable).
R1234yf (low GWP alternative).

9. Can a DC Mini Compressor be used with a PID Controller?
Yes, many models support PID (Proportional-Integral-Derivative) control via 1-5V input or UART for precise temperature regulation.

10. How do I choose the right DC Mini Compressor?
Voltage Compatibility: 12V, 24V, or 48V based on your power source.
Cooling Capacity: Measured in watts (W) or BTU/hr, match it to your load.
Refrigerant Type: Choose based on efficiency and environmental impact.
Control Interface: PWM, 1-5V, or UART, depending on your system needs.
Size Constraints: Ensure it fits within your application's dimensions.