Mini compressors are mostly used in mini refrigerators and micro air conditioners. They are small, lightweight, and designed with a single cylinder.
They have 30W-550W cooling capacity. Micro air conditioners and mini fridges equipped with mini compressor and can run on 12 Volt, 24 Volt, and 48 Volt DC or AC power.
Nowadays, mini compressors are used by many mobile and portable cooling systems and small footprint countertop applications. They are the best compressors for the smallest refrigeration unit. Also, they are a must-have part of your gear.
If you have a restricted space then you can use mini refrigerators and micro Aircon (air conditioners). They are small, lightweight, and compact. Such mini fridge and air conditioners are designed with mini compressor. These compressors are designed in vapour compression technology and do not have vibration and noise.
You can find such compressors in many thermal devices such as chillers, small coolers, medical cooling devices, and direct cooling systems for electronics. The patent drive board of these compressors can control the frequency of a swage wave signal and they can control the speed from 2000rmp-6500rmp. They have greater cooling capacity, from 100W to 340W.
Different types of mini compressors:
Compressor is the heart of a refrigerator and if you look for a compressor for mini fridge then you must go for the mini compressors. They are suitable for mobile and small cooling applications.
However, there are different types of mini compressors available in the market and you can choose them according to their power capacity. Some of the most common mini compressors available online are:
12 Volt mini compressors: This is the smallest refrigeration compressor that has R134a refrigerant capacity. You can use such 12V compressors for mini refrigerators and micro air conditioners.
These compressors are designed and controlled by a driver board that, functioning in variable speed ranges from 2000rpm to 6000rpm.
24 Volt mini compressors:
These are the BLDC rotary compressors. 24V compressors have R134a cooling capacity and you can connect these compressors to direct current electric energy. These can run with DC current and you can find such compressors in mobile cooling applications. Similar to 12V compressors, these 24V compressors also have a driver board that function at variable speed ranges from 2000rpm to 6000rpm.
48 Volt mini compressors:
These are the most powerful compressors suitable for mini fridges and air conditioners. You can connect these compressors with DC power and you can run these compressors through battery, car power, and solar power. You can find such compressors in mini refrigerators and micro Aircon. Apart from that, you can also use the 48V compressors for small cooling units.
These are the alternative rotary current compressors, having 110V~120V/50~60HZ to 220~240V/50~60HZ voltage range. You can find such small compressors in small air conditioners, mini fridges, and dehumidifiers. These mini compressors have the smallest footprint and you can use such compressors for footprint countertop appliances such as ice-manufacturing machines.
What are the features of mini compressors?
As stated above, mini compressors have 30W to 550W cooling capacity under standard ASHRAE conditions, so you can use such compressors for smallest refrigeration unit.
You can use these compressors via AC-DC conversion and these compressors can run on 12V, 24V, and 48V power. They are small, lightweight, and suitable for small HVAC systems.
You can use such mini compressors for cooling and evaporating systems such as LBP, MBP, and HBP systems. They are portable and you can use them as small AC compressor for your mini fridge.
To control temperature, a compressor needs to control the load flowing frequency and mini compressors can easily control this frequency level through drive boards. Along with the small refrigeration system and cooling systems, you can also find such compressors in some commercial applications.
- Mini compressors are available in 12V / 24V / 48V DC or AC power
- They have great power capacity from 100W to 550W
- These are low vibration compressors
- They are designed with sine wave controller for controlling vibration
- These are highly efficient compressors that are lightweight and small
- Mini compressors can be used for mobile and transport cooling applications
You can use such compressors for medical devices, electronic appliances, small fridges, micro Aircon systems, truck parking loaders, and telecommunication cooling systems.
Apart from that, you can also find these compressors in different kinds of vehicles and transportation systems, including electric vehicles, vassals, and helicopters. Mini compressors are used for the instant cooling in the cockpit.
How would you choose mini compressors?
Mini compressors can be used for handyman tools such as pneumatic wrenches, paint sprayers, and sanders. But, it is suggested to avoid such compressors for such handyman tools because you can get better performance by using large compressors in these tools. However, here you can find some common factors that you need to consider while you choose a mini compressor:
CFM:
CFM or cubic feet per minute is the measurement unit that help you to measure the air supply of a mini compressor. You need to check the CFM rate of a compressor before you choose. Most of the mini compressors are tested at 90 psi-an average setting for a nail gun and you need to compare their CFM range to choose the best one. Most of the mini compressors used in miniature fridges and micro Aircon are tested from 0.6-2.8CFM.
Tank:
You need to check the tank size of a compressor before you choose. A large tank can allow you to use more air. Compressors designed with a large tank can resist the pressure drops while their motor kicks on to refill the tank. Once the compressor refills the tank, you must stop it and you must choose the large tank compressors for bigger appliances.
PSI:
PSI is the pounds per square inch and it is not a major issue for mini compressor. But, if you choose a compressor with higher PSI then you can store more air in the tank. For example, A-2 gallon tank at 150psi can holds more than 3gallon air. You can check the psi level of a compressor before you choose.
Noise pollution:
Most of the mini compressors are designed with a driver board and it can control the vibration and noise of the compressor. These smallest refrigeration compressors can produce 60-87 decibels sound. When you measure the decibels, you need to know that 10dB can double the sound wave. For example, 70dB machine can produce double sound than a 60dB machine. So, if you want to reduce the noise pollution and vibration then you must choose a mini compressor that has minimum decibel.
Weight and shape:
People choose mini compressors for their small electronic appliances because they can easily install such compressors in a small space. You need to choose lightweight compressors and you must consider their shape before you install. A slim small compressor can be easy to tote and you can install such compressors in your sleek appliances.
Power capacity:
You can check the psi and cfm rate of a compressor to know its power capacity. Compressors with low cfm can deliver less power and you need to choose a compressor with large cfm. In this case, you can check their power capacity and most of the mini compressors have 100W-580W power range.
Oil-free compressors:
Mini compressors are oil-free and you do not need to change their oil after certain period of time. Compressors without oil can wear out easily and you need to change such compressors frequently. In mini refrigerators, micro Aircon systems, and small cooling systems, the compressor has to be lubricated by oil only. You do not need to check the horsepower of a mini compressor because they are measured by their CFM rate, not by their horsepower.
Shroud:
You need to choose a mini compressor that is designed with shrouding technology. The parts can be easily affected by wear and tear and you need to repair the compressor frequently.
Mini compressors can get affected by rust and you can find some leakages in their tank. To prevent such leakages, you need to drain their tank on a regular basis. There are two types of drains available in these compressors- drain clock system and ball valve drain. For drain clock system, you need to use pliers to drain the water, which is a hectic and time-consuming task. In this case, you can go for the mini compressors that are designed with ball valve drain. It works like a faucet.
Compressors are the heart of small cooling appliances. Mini compressor is a mechanical device that increases the pressure of gas by reducing its volume. You can use such compressors in small freezers that have less than 20ºC (-4ºF) evaporating temperature.
You can use mini compressors in water dispensers, beer dispensers, and beverage cooling units, cooling cabinets, small refrigerators, household appliances, ice storage bins, display coolers and reach-in freezers.
Apart from that, mini compressors can also be installed in medical storage cabinets, mini portable air conditioners, medical transport systems, trucks, electric vehicles, solar air conditioners, and solar refrigerators.