Industry News

Home / News / Industry News / Does the refrigerator compressor have good adaptability and stability?

Does the refrigerator compressor have good adaptability and stability?

The refrigerator compressor is the core component of the refrigerator refrigeration system. Its performance directly determines the refrigerator's refrigeration efficiency, energy consumption level, service life and overall user experience. With the increasingly stringent environmental regulations and the increasing consumer demand for energy saving, environmental protection and intelligence, refrigerator compressors are developing in the direction of high-efficiency energy saving, environmental protection refrigeration, and intelligent control.

The refrigerator compressor uses environmentally friendly R290 refrigerant. R290 is another common environmentally friendly refrigerant. R290 has an ODP of 0 and an extremely low GWP value (about 1), which has minimal impact on the environment. Like R600a, it is a natural working fluid that is harmless to the ozone layer and greenhouse effect. R290 has excellent refrigeration performance and fast refrigeration speed, and is especially suitable for large-volume freezers and light commercial refrigeration equipment. Its refrigerant has a small molecular weight and good fluidity, and can quickly absorb heat and improve refrigeration efficiency. R290 is mainly used in light commercial refrigeration equipment, such as commercial refrigerators, display cabinets, ice cream cabinets, etc., and is gradually expanding to household foam door freezers. It is also used in some high-end household refrigerators to meet the dual needs of refrigeration performance and environmental protection requirements.

1. High energy saving and energy efficiency performance
High energy efficiency ratio (COP): The COP value of this compressor reaches 2.22, which is the refrigerator compressor with the highest energy efficiency value among similar products in the industry. This energy efficiency level far exceeds the national A-level energy efficiency standard and is even close to the EU A++ energy efficiency level. A high COP value means that the greater the cooling capacity output per unit time, the lower the energy consumption, which significantly reduces the daily operating cost of the refrigerator.

Significant energy saving effect: Due to its high energy efficiency ratio, the compressor can achieve 40% energy saving for double-door refrigerators. For household refrigerators, this means that the daily power consumption is only 0.38 degrees, which greatly reduces energy consumption and meets the current global urgent need for energy-saving home appliances.

Inverter technology improves energy efficiency: The compressor adopts inverter technology, which can automatically adjust the speed under different load requirements, thereby reducing energy consumption while cooling quickly. For example, under low load conditions, the compressor can run at a lower speed to reduce noise and energy consumption; while under high load conditions, it can respond quickly to ensure the cooling effect. This stepless speed design not only improves energy efficiency, but also enhances user experience.

2. Application of environmentally friendly refrigerants
In order to reduce the damage to the ozone layer and greenhouse gas emissions, refrigerator compressors widely use environmentally friendly refrigerants such as R290 (propane) and R600a (isobutane). R290 has zero ozone depletion potential (ODP) and extremely low global warming potential (GWP), and has excellent refrigeration effect, which is particularly suitable for large-volume freezers. R600a also has environmental advantages, and its refrigerant is easy to obtain and low in cost, making it a mainstream choice.

These refrigerants not only improve refrigeration efficiency, but also conform to the development trend of green refrigeration. For example, R290 has a small molecular weight, good fluidity, can absorb heat quickly, has a fast refrigeration speed, and has a refrigeration effect comparable to R22, but has minimal impact on the environment. Therefore, R290 has become an environmentally friendly refrigerant promoted in many countries and regions.

3. Reliability and applicability
Refrigerator compressor design focuses on reliability and is suitable for a variety of voltage conditions to ensure stable operation in different environments. For example, many compressors support wide voltage input and can work normally under a variety of voltages such as 220V, 240V, 110V, etc., adapting to the power grid conditions of different countries and regions.

At the same time, the structural design of the compressor also focuses on durability and stability. For example, the use of high-temperature resistant materials and sealed structures can extend the service life and reduce the failure rate. In addition, the compressor also has good starting performance, can start quickly under low load, and reduce energy consumption.

In terms of applicability, refrigerator compressors are widely used in household refrigerators, freezers, food display cabinets, beverage cabinets, ice cream cabinets and other equipment. Its cooling capacity range is generally between 50W and 200W, which can meet the needs of equipment with different capacities and refrigeration requirements.

Does this refrigerator compressor have a variable frequency function?

This refrigerator compressor has a variable frequency function, and this technology has been widely used in modern refrigerators. The variable frequency technology adjusts the speed of the compressor so that it can automatically adjust the operating speed according to the changes in the internal temperature of the refrigerator, thereby achieving a more efficient, energy-saving, quiet and stable cooling effect.

1. The basic principle of frequency conversion technology
Frequency conversion technology is one of the core technologies of modern refrigerator compressors. Its basic principle is to adjust the speed of the compressor through the frequency conversion controller so that it can automatically adjust the operating speed under different load conditions (such as temperature changes, number of door openings, etc.). For example, when the temperature in the refrigerator is high, the compressor will run at a higher speed to speed up the refrigeration; when the temperature is close to the set value, the compressor will automatically reduce the speed to keep the temperature stable and avoid overcooling or overheating.

The frequency conversion compressor adopts stepless speed change technology, which can change the speed steplessly between 1200 and 4500 rpm, achieving the effect of high-speed super-cooling and low-speed silence. This adjustment method not only improves the refrigeration efficiency, but also significantly reduces energy consumption and noise.

2. Energy efficiency advantages of frequency conversion compressors
Compared with traditional fixed-frequency compressors, frequency conversion compressors can adjust the cooling capacity according to actual needs, avoiding the energy waste caused by the frequent start and stop of traditional compressors. Experimental data show that the energy saving effect of frequency conversion compressors can reach 30% to 50%, and even in some cases, the energy saving effect exceeds 40%.

For example, the COP value of the Gasper VNX1113Y high-efficiency variable frequency compressor reaches 1.93, which is about 19% higher than the national A-level energy efficiency standard. This energy efficiency improvement not only reduces the daily operating costs of refrigerators, but also meets the urgent global demand for energy-saving home appliances.

3. Energy-saving mechanism of variable frequency compressor
The variable frequency compressor uses fuzzy control principles and intelligent adjustment systems to achieve precise control of the internal temperature of the refrigerator. When the temperature inside the refrigerator is high, the compressor will operate at a higher frequency to speed up the refrigeration; when the temperature is close to the set value, the compressor will automatically reduce the speed to maintain a stable temperature to avoid overcooling or overheating.

This adjustment method not only improves the refrigeration efficiency, but also significantly reduces energy consumption. For example, Rongsheng vector variable frequency refrigerators can achieve more efficient energy saving effects by accurately controlling the temperature to ±0.1 degrees and reducing temperature fluctuations.

4. Silent effect of variable frequency compressor
An important advantage of variable frequency technology is noise reduction. Since the compressor is always in a low-speed operation state, instead of frequent start and stop like traditional compressors, the noise level of variable frequency refrigerators is significantly reduced. For example, the low-speed noise of some variable-frequency compressors is only 29 decibels, which is close to the level that the human ear cannot detect.

In addition, the operation of variable-frequency compressors is smoother, reducing vibration and noise, and improving the user experience. For example, Rongsheng vector variable-frequency refrigerators use pulse solenoid valves and silent sponges to further reduce noise.

5. Temperature control ability of variable-frequency compressors
Inverter technology not only improves energy efficiency, but also significantly improves the temperature control ability of refrigerators. The variable-frequency compressor can automatically adjust the speed according to the changes in the temperature inside the refrigerator, thereby keeping the temperature fluctuation range small, which is conducive to keeping the food fresh for a long time.

For example, when the compressor runs at the optimal speed, the temperature fluctuation of each compartment of the refrigerator is controlled within a reasonable range, with an average temperature of 4.1°C in the cold storage compartment and a maximum fluctuation of 3.4°C, and an average temperature of 6.1°C in the fruit and vegetable compartment and a maximum fluctuation of 1.0°C. This precise temperature control capability makes the variable-frequency refrigerator excellent in freshness preservation.

6. Service life of variable-frequency compressors
Another advantage of variable-frequency technology is that it extends the service life of the compressor. Since the compressor is always running at a low speed, instead of starting and stopping frequently like traditional compressors, the inverter compressor has less wear and longer service life. In addition, the inverter compressor runs more smoothly, reducing the impact on the compressor components, thereby further extending the service life.

For example, Rongsheng vector inverter refrigerator uses European A+ grade ultra-high efficiency compressor, which has a service life of 15 years through simulated high temperature performance tests. This design not only improves the durability of the product, but also reduces the user's maintenance cost.

7. Application scenarios of inverter compressors
Inverter compressors are widely used in household refrigerators, freezers, food display cabinets, beverage cabinets, ice cream cabinets and other equipment. Its cooling capacity range is generally between 50W and 200W, which can meet the needs of equipment with different capacities and cooling requirements. In addition, inverter compressors are also used in light commercial refrigeration equipment, such as deep freezers and ultra-low temperature freezers.

For example, the cooling capacity of the Gasperella VNX1113Y high-efficiency variable frequency compressor is between 65 and 240W, which can meet the matching requirements of 200-400L refrigerators. This wide range of application scenarios makes variable frequency compressors occupy an important position in the home appliance market.

What application scenarios are this refrigerator compressor suitable for?
Refrigerator compressors are widely used in many fields, including small refrigerators, freezers, and light commercial refrigeration equipment.

1. Small refrigerators
Small refrigerators are mainly used for daily household refrigeration needs, including refrigeration and freezing functions. Its compressor usually adopts reciprocating or scroll compressors with small cooling capacity, which is suitable for home kitchen use. Small refrigerator compressors are compact in structure and high in energy efficiency, suitable for home use.

In recent years, with the development of variable frequency technology, the energy efficiency and refrigeration performance of small refrigerators have been significantly improved. For example, the COP value of the Gasperella VNX1113Y high-efficiency variable frequency compressor is as high as 1.93, which is about 19% higher than the national A-level energy efficiency standard. In addition, small refrigerator compressors usually use environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

2. Freezers
Freezers are mainly used for food storage and display, such as supermarket display cabinets, beverage refrigerators, ice cream cabinets, etc. Its compressor usually uses a scroll or rotor compressor, which has a large cooling capacity and has high requirements for cooling speed and uniformity.

Freezer compressors need to have high stability and reliability to ensure the preservation of food in a low temperature environment. In addition, freezer compressors usually use environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

3. Light commercial refrigeration equipment
Light commercial refrigeration equipment includes vending machines, multi-layer refrigerated cabinets, supermarket display cabinets, commercial kitchen refrigerators, food display cabinets, medical cabinets, small cold storage, etc. These equipment have high requirements for cooling capacity, energy efficiency and stability. Light commercial compressors usually use scroll or rotor compressors, with a cooling capacity of up to several kilowatts and high energy efficiency.

In addition, light commercial compressors need to adapt to a variety of power supply voltages and back pressure conditions to meet the needs of different commercial scenarios. Light commercial compressors widely use environmentally friendly refrigerants such as R290 and R600a to reduce the impact on the ozone layer and greenhouse effect.

4. Car refrigerators
Car refrigerators are mainly used for long-distance travel or outdoor activities, such as electric buses, RVs, trucks, etc. Its compressor usually uses a scroll or reciprocating compressor, which has a good refrigeration effect and a certain degree of portability.

Car refrigerator compressors need to have high energy efficiency and low noise to ensure comfort when used in the car. In addition, car refrigerator compressors usually use environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

5. Medical refrigeration equipment
Medical refrigeration equipment includes medical refrigerators, drug refrigerators, vaccine refrigerators, etc., which are used to store drugs, vaccines and biological samples. Its compressor usually uses a scroll or rotor compressor, which has a large cooling capacity and high temperature control requirements.

Medical refrigeration equipment compressors need to have high stability and reliability to ensure the safe storage of drugs and biological samples. In addition, medical refrigeration equipment compressors usually use environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

6. Food processing and preservation equipment
Food processing and preservation equipment includes ice makers, fresh-keeping cabinets, low-temperature experimental equipment, etc., which are used for food processing and preservation. Its compressors usually use scroll or rotor compressors, which have a large cooling capacity and high requirements for cooling speed and uniformity.

Food processing and preservation equipment compressors need to have high stability and reliability to ensure the quality of food during processing and preservation. In addition, food processing and preservation equipment compressors usually use environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

7. Dehumidifier
Dehumidifiers are mainly used for dehumidification in humid environments, such as offices, warehouses, basements, etc. Its compressors usually use scroll or rotor compressors, which have a large cooling capacity and high requirements for humidity control.

Dehumidifier compressors need to have high energy efficiency and low noise to ensure comfort during use. In addition, dehumidifier compressors usually use environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

8. Small cold storage
Small cold storage is mainly used for small food storage and display, such as supermarkets, convenience stores, catering industry, etc. Its compressor usually adopts scroll or rotor compressor, with large cooling capacity and high temperature control requirements.

Small cold storage compressor needs to have high stability and reliability to ensure the quality of food during storage. In addition, small cold storage compressor usually adopts environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

9. Battery-driven refrigeration equipment
Battery-driven refrigeration equipment is mainly used in electric buses, electric trucks, etc., such as electric buses, electric refrigerated trucks, etc. Its compressor usually adopts scroll or rotor compressor, with large cooling capacity, and high energy efficiency and noise requirements.

Battery-driven refrigeration equipment compressor needs to have high energy efficiency and low noise to ensure comfort during use. In addition, battery-driven refrigeration equipment compressor usually adopts environmentally friendly refrigerants such as R290 or R600a to reduce the impact on the environment.

What is the service life of this refrigerator compressor?
As the core component of the refrigerator refrigeration system, the service life of the refrigerator compressor directly affects the overall performance and user experience of the refrigerator. According to industry standards and actual use experience, the normal service life of ordinary household refrigerator compressors is usually between 8-12 years, while high-end or high-quality compressors may reach 15 years or even longer. The life of the compressor depends not only on its own design, but also on the use environment, maintenance and use habits.

Factors affecting the life of the compressor

1. Use environment
The compressor should avoid being in a high temperature, humid or poorly ventilated environment for a long time. Good ventilation helps to dissipate heat and reduce compressor overheating and aging. The refrigerator should be avoided from being placed in direct sunlight, near heat sources (such as stoves, heaters) or in poorly ventilated places to prevent the compressor from overheating. Dust and impurities will accumulate on the compressor and condenser, affecting the heat dissipation efficiency and accelerating the aging of internal components.

2. Frequency of use
Frequent opening and closing of the refrigerator door will increase the load on the compressor, causing it to wear more and shorten its service life. Opening the door for a long time will cause the indoor temperature to rise, and the compressor will need to work longer to restore the low temperature, increasing energy consumption and burden.

3. Maintenance
Cleaning should be done every six months or so, especially the radiator and condenser, to maintain a good heat dissipation effect. Refrigerant leakage will lead to insufficient cooling capacity and affect the normal operation of the compressor. Check the refrigeration system regularly to ensure that there is no leakage. Some compressors have a lubrication system inside. Check the lubrication regularly to ensure the smooth operation of the moving parts.

4. Brand and quality
We mainly sell refrigerator compressors of internationally renowned brands such as GMCC, LG, and Gaspera, with more stable quality.

Performance after compressor aging
When the compressor ages, its performance will decline significantly, as shown by the following phenomena:

After the compressor ages, the refrigeration efficiency decreases, the temperature fluctuation inside the refrigerator increases, and the refrigeration speed slows down. The internal parts of the compressor are worn, the noise increases significantly during operation, and even abnormal vibrations occur. After the compressor ages, in order to maintain the refrigeration effect, energy consumption will increase, resulting in an increase in electricity bills. Aging or damage to the internal parts of the compressor may lead to frequent startup and shutdown, and even safety hazards such as power outages and short circuits.

Methods for judging the life of the compressor
To judge the life of the refrigerator compressor, you can evaluate its operating status and performance in the following ways:

1. Observe the operating status
If the compressor makes a metallic friction sound or high-frequency vibration sound, it may be that the internal parts are worn or aged. For example, piston ring wear, motor bearing damage, etc., will cause the compressor to operate abnormally. If the temperature inside the refrigerator cannot be maintained, or the temperature fluctuates greatly, it may be that the compressor's refrigeration capacity has decreased. For example, the temperature in the refrigerator often exceeds the set value, or the temperature in the fruit and vegetable room is unstable, affecting the preservation of food.

Rust and corrosion on the compressor shell may be caused by long-term moisture or poor ventilation. This indicates that the compressor may age faster due to moisture entering. If the compressor is started frequently, it may be due to insufficient refrigerant or serious dust accumulation in the condenser, which will increase the load on the compressor and shorten its life.

2. Check the refrigerant
Refrigerant leakage will lead to insufficient cooling capacity, and the compressor needs to be started frequently to maintain the temperature, increasing energy consumption. For example, a reduction in refrigerant will increase the load on the compressor and affect the cooling effect. Insufficient refrigerant will cause the compressor to run unstably, the cooling effect will decrease, and it may even cause the compressor to overheat or be damaged. Excessive refrigerant may also cause abnormal operation of the compressor, increase the load on the compressor, and affect the service life.

3. Regular maintenance
It is recommended to conduct a comprehensive inspection after 7 years of use, including the compressor status, refrigerant, condenser cleanliness, etc., to ensure that the compressor is in good condition. Check for rust, cracks or deformation, which may indicate abnormal pressure or poor sealing inside the compressor. The condenser is a key component for the heat dissipation of the compressor. If the condenser is seriously dusty, it will affect the heat dissipation effect, cause the compressor to overheat, and shorten its life. Use a pressure gauge to check whether the refrigerant pressure is normal. Too high or too low may affect the operating efficiency of the compressor. The motor and bearing are the core components of the compressor. If the motor is abnormal or the bearing is worn, it should be replaced in time.

Recommendations for extending the life of the compressor
In order to extend the service life of the refrigerator compressor, it is recommended to take the following measures:

1. Maintain a good use environment
Place the refrigerator in a well-ventilated and temperature-appropriate environment, avoiding direct sunlight. High temperature environment will accelerate the aging of the internal parts of the compressor. Try to reduce the number of times the door is opened and avoid opening the door for a long time to reduce the load on the compressor. Frequent switching will cause the compressor to start frequently and increase wear.

Do not fill the refrigerator too full to prevent the compressor from increasing the load due to overload and affecting the cooling effect. Make sure there is enough space around the refrigerator for heat dissipation and ventilation to avoid overheating of the compressor due to poor heat dissipation.

2. Regular cleaning and maintenance
Use a soft cloth or vacuum cleaner to clean the surface of the condenser to maintain good heat dissipation. Dust accumulation on the condenser will affect the heat dissipation efficiency and cause the compressor to overheat. Check whether the refrigerant is sufficient regularly and replenish or replace it if necessary. Insufficient refrigerant will increase the load on the compressor and affect the cooling effect.

Some compressors have a lubrication system inside. Check the lubrication regularly to ensure smooth operation of moving parts and reduce friction and wear. Check for rust, cracks or deformation, which may indicate abnormal pressure or poor sealing inside the compressor.

3. Reasonable usage habits
Avoid running the compressor for a long time when refrigeration is not needed, and turn off the refrigerator appropriately to reduce compressor idling and reduce energy consumption. Try to reduce the number of starts and stops of the compressor to reduce wear and aging. Clean the inside of the refrigerator regularly to avoid food residues and odors affecting the operating environment of the compressor.

4. Timely maintenance
If you find problems such as abnormal noise from the compressor and poor refrigeration effect, you should contact a professional for inspection and maintenance in time to avoid small problems from turning into major failures. It is recommended to choose a brand-authorized maintenance point to ensure the quality of maintenance. Informal maintenance may cause damage to the compressor or safety hazards. It is recommended to perform comprehensive maintenance once a year, including cleaning, lubrication, and checking the refrigerant and compressor status to ensure long-term and stable operation of the compressor.