CN110940107A - Air conditioning system - Google Patents
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- CN110940107A CN110940107A CN201911159177.5A CN201911159177A CN110940107A CN 110940107 A CN110940107 A CN 110940107A CN 201911159177 A CN201911159177 A CN 201911159177A CN 110940107 A CN110940107 A CN 110940107A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
Abstract
The invention provides a variable frequency air conditioning system, which comprises a compressor and a plurality of pipelines connected with the compressor; refrigerant filling amount of the inverter air conditioning system, which is specified refrigerant sealing amount in the system and is in unit g; the gas transmission capacity of the compressor is the sum of the working volumes or gas transmission capacities of all compression cavities in the compressor and is unit cm3(ii) a And has the following components: the ratio range of the refrigerant perfusion amount of the variable frequency air conditioning system to the compressor gas transmission amount is [ a first preset lower limit value, a first preset upper limit value ]]In the meantime. The invention can effectively ensure that the refrigeration cycle of the household variable frequency air conditioner system is equal to or close to the optimal matching value of each working condition under each working condition, thereby improving the energy efficiency of the air conditioner under each working condition and achieving better refrigeration/heating effect. Aiming at air-conditioning products adopting different refrigerants, when the ratio of the refrigerant perfusion amount of the variable-frequency air-conditioning system to the gas transmission amount of the compressor is in a specific range, the optimal performance effect can be obtained.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner.
Background
When a household variable frequency air conditioning system in the industry works at different environmental temperatures at present, the difference of the circulation states of refrigerants is large, so that the optimal energy efficiency of the household variable frequency air conditioning system cannot be realized under various working conditions, the refrigerating/heating effect is low, the comprehensive energy efficiency of the household variable frequency air conditioning system is used for researching the refrigerant filling amount of the air conditioning system, and similar ideas designed by combining with the compressor discharge capacity are not found through retrieval from the design relation angles of combining a liquid accumulator and a compressor liquid separator.
The invention discloses an air conditioner, which is researched and designed for solving the technical problems that when a household variable frequency air conditioner system in the prior art works at different environmental temperatures, the difference of the circulation states of a refrigerant is large, so that the optimum energy efficiency of the household variable frequency air conditioner system cannot be achieved under various working conditions, the refrigerating/heating effect is low, and the like.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the domestic variable frequency air-conditioning system in the prior art cannot achieve optimal energy efficiency under various working conditions due to large difference of the circulation states of the refrigerant when working under different environmental temperatures, thereby providing the variable frequency air-conditioning system.
The invention provides a variable frequency air conditioning system, which comprises a compressor and a plurality of pipelines connected with the compressor;
refrigerant filling amount of the inverter air conditioning system, which is specified refrigerant sealing amount in the system and is in unit g;
the compressor gas transmission capacity is the sum of the working volumes or gas transmission capacities of all compression cavities in the compressor and has a unit of cm 3;
and has the following components: the ratio range of the refrigerant perfusion amount of the variable frequency air conditioning system to the compressor gas transmission amount is between a first preset lower limit value and a first preset upper limit value.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air-conditioning system adopts R410A as the refrigerant, the first preset lower limit value is 30g/cm3, and the first preset upper limit value is 70g/cm3, that is, the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 30-70g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
the first preset lower limit value is 30g/cm3, the first preset upper limit value is 50g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 30-50g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air-conditioning system adopts R32 as the refrigerant, the first preset lower limit value is 20g/cm3, and the first preset upper limit value is 60g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 20-60g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
the first preset lower limit value is 20g/cm3, the first preset upper limit value is 40g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 20-40g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the injection amount of the compressor refrigeration oil is the sum of the amount of the refrigeration oil injected during the production of the compressor and the amount of the refrigeration oil supplemented during the production of an air conditioning system, and is unit g;
and has the following components: the ratio range of the injection amount of the refrigerant oil of the compressor and the gas transmission amount of the compressor of the variable frequency air conditioning system is between a second preset lower limit value and a second preset upper limit value.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air conditioning system adopts R410A as a refrigerant, the second preset lower limit value is 10g/cm3, and the second preset upper limit value is 25g/cm3, that is, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is as follows: 10-25g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
the second preset lower limit value is 10g/cm3, the second preset upper limit value is 15g/cm3, namely the ratio range of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is as follows: 10-15g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air conditioning system adopts R32 as a refrigerant, the second preset lower limit value is 5g/cm3, and the second preset upper limit value is 20g/cm3, that is, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is as follows: 5-20g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
the second preset lower limit value is 5g/cm3, the second preset upper limit value is 15g/cm3, namely the ratio range of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is as follows: 5-15g/cm 3.
The variable frequency air conditioning system provided by the invention has the following beneficial effects:
1. the invention can effectively ensure that the refrigeration cycle of the household variable frequency air-conditioning system is equal to or close to the optimal matching value of each working condition under each working condition by setting the refrigerant perfusion quantity and the compressor air delivery quantity in the variable frequency air-conditioning system between the ratio ranges (the first preset lower limit value and the first preset upper limit value) (so that the two parameters have a certain specific relation, namely the corresponding ratio relation), thereby improving the energy efficiency of the air-conditioning system under each working condition and achieving better refrigeration/heating effect. Aiming at air-conditioning products adopting different refrigerants, when the ratio of the refrigerant perfusion amount of the variable-frequency air-conditioning system to the gas transmission amount of the compressor is in a specific range, the optimal performance effect can be obtained. The ratio range of the refrigerant perfusion amount and the compressor gas transmission amount of the variable frequency air conditioning system is regulated, so that the refrigeration cycle of the system under each working condition is equal to or close to the optimal matching value of each working condition, the energy efficiency of the air conditioner under each working condition is improved, and a better refrigeration/heating effect is achieved;
2. the invention also enables the ratio of the refrigerant oil injection amount of the compressor of the inverter air-conditioning system to the gas transmission amount of the compressor to be within a range of [ a second preset lower limit value and a second preset upper limit value ] (the refrigerant oil injection amount of the compressor and the gas transmission amount of the compressor have a certain specific relationship, and a corresponding specific relationship is optimized), so that the optimal performance effect of the ratio of the refrigerant injection amount of the household inverter air-conditioning system to the gas transmission amount of the compressor can be effectively ensured within the range, the product has stable and reliable operation guarantee, and the optimal reliability guarantee effect can be obtained when the ratio of the refrigerant oil injection amount of the compressor to the gas transmission amount of the compressor is within the specific range.
Drawings
FIG. 1 is a system cycle diagram of an inverter air conditioning system of the present invention;
fig. 2 is a plan view of a roller cylinder portion of a compressor in the inverter air conditioning system of the present invention.
The reference numbers in the figures denote:
1. a compressor; 2. a condenser; 3. a throttling device; 4. an evaporator; 5. a cylinder; 6. a roller; 7. a working volume.
Detailed Description
As shown in fig. 1-2, the present invention provides an inverter air conditioning system, which includes: the system comprises a compressor and a plurality of pipelines connected with the compressor;
the refrigerant filling amount of the inverter air conditioning system is the specified refrigerant sealing amount in the system (preferably the refrigerant sealing amount specified in a product nameplate mark or a corresponding operation instruction), and is unit g;
the compressor gas transmission capacity is the sum of the working volumes or gas transmission capacities of all compression cavities in the compressor and has a unit of cm 3;
and has the following components: the ratio range of the refrigerant perfusion amount and the compressor gas transmission amount of the variable frequency air conditioning system is between a first preset lower limit value and a first preset upper limit value, namely the first preset lower limit value is less than or equal to the refrigerant perfusion amount/the compressor gas transmission amount is less than or equal to the first preset upper limit value.
The invention can effectively ensure that the refrigeration cycle of the household variable frequency air-conditioning system is equal to or close to the optimal matching value of each working condition under each working condition by setting the refrigerant perfusion quantity and the compressor air delivery quantity in the variable frequency air-conditioning system between the ratio range [ the first preset lower limit value and the first preset upper limit value ] (so that the two parameters have the specific relation, namely the ratio relation), thereby improving the energy efficiency of the air-conditioning system under each working condition and achieving better refrigeration/heating effect. Aiming at air-conditioning products adopting different refrigerants, when the ratio of the refrigerant perfusion amount of the variable-frequency air-conditioning system to the gas transmission amount of the compressor is in a specific range, the optimal performance effect can be obtained. The ratio range of the refrigerant perfusion amount and the compressor air delivery amount of the variable frequency air conditioning system is specified, so that the refrigeration cycle of the system under each working condition is equal to or close to the optimal matching value of each working condition, the energy efficiency of the air conditioner under each working condition is improved, and a better refrigeration/heating effect is achieved.
Because the difference of the circulation state of the refrigerant is larger when the household variable frequency air conditioning system works at different environmental temperatures, the invention finds that the compressor adopts different air delivery volume designs and combines the change adjustment of the rotating speed to have great influence on the circulation state of the system refrigerant, so that the refrigeration circulation of the system is equal to or close to the optimal matching value of each working condition by optimizing the design relation between the refrigerant charging volume and the air delivery volume of the compressor, thereby improving the energy efficiency of the air conditioner at each working condition and achieving better refrigeration/heating effect.
The invention solves the following technical problems
1. The relation between the refrigerant perfusion amount of the variable frequency air conditioning system and the gas transmission amount of the compressor is optimized, and the system energy efficiency is improved;
2. a compressor with small gas transmission quantity is selected, the size of the compressor is reduced, the weight is reduced, and the cost is saved;
preferably, the first and second electrodes are formed of a metal,
when the inverter air-conditioning system adopts R410A as the refrigerant, the first preset lower limit value is 30g/cm3, and the first preset upper limit value is 70g/cm3, that is, the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 30-70g/cm 3. The preferred ratio range of the inverter air-conditioning system of the invention preferably adopts R410 as the refrigerant, and the ratio range of the refrigerant perfusion amount of the inverter air-conditioning system and the compressor gas transmission amount is as follows: 30-70g/cm3, and the refrigeration cycle of the household variable frequency air conditioning system of the R410A refrigerant system under each working condition is equal to or close to the optimal matching value of each working condition, so that the energy efficiency of the R410A refrigerant system under each working condition is improved, and a better refrigeration/heating effect is achieved.
Preferably, the first and second electrodes are formed of a metal,
the first preset lower limit value is 30g/cm3, the first preset upper limit value is 50g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 30-50g/cm 3. The ratio range of the refrigerant perfusion amount of the variable frequency air conditioning system to the compressor gas transmission amount is as follows: the energy efficiency value of the R410A refrigerant variable frequency air conditioning system can be further effectively improved within 30-50g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air-conditioning system adopts R32 as the refrigerant, the first preset lower limit value is 20g/cm3, and the first preset upper limit value is 60g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 20-60g/cm 3. The preferred ratio range of the inverter air-conditioning system of the invention preferably adopts R32 as the refrigerant, and the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system and the compressor air transmission volume is as follows: 20-60g/cm3, and the refrigeration cycle of the household variable frequency air conditioning system of the R32 refrigerant system under each working condition is equal to or close to the optimal matching value of each working condition, so that the energy efficiency of the R32 refrigerant system under each working condition is improved, and a better refrigeration/heating effect is achieved.
Preferably, the first and second electrodes are formed of a metal,
the first preset lower limit value is 20g/cm3, the first preset upper limit value is 40g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 20-40g/cm 3. The ratio range of the refrigerant perfusion amount of the variable frequency air conditioning system to the compressor gas transmission amount is as follows: the energy efficiency value of the R32 refrigerant variable frequency air conditioning system can be further effectively improved within 30-50g/cm 3.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the injection amount of the compressor refrigeration oil is the sum of the amount of the refrigeration oil injected during the production of the compressor and the amount of the refrigeration oil supplemented during the production of an air conditioning system, and is unit g;
and has the following components: the ratio range of the injection amount of the refrigerant oil of the compressor and the gas transmission amount of the compressor of the variable frequency air conditioning system is between a second preset lower limit value and a second preset upper limit value, namely the second preset lower limit value is less than or equal to the injection amount of the refrigerant oil of the compressor/the gas transmission amount of the compressor is less than or equal to the second preset upper limit value.
The invention also enables the ratio of the refrigerant oil injection amount of the compressor of the inverter air-conditioning system to the gas transmission amount of the compressor to be within a range of [ a second preset lower limit value and a second preset upper limit value ] (the refrigerant oil injection amount of the compressor and the gas transmission amount of the compressor have a certain specific relationship, and a corresponding specific relationship is optimized), so that the optimal performance effect of the ratio of the refrigerant injection amount of the household inverter air-conditioning system to the gas transmission amount of the compressor can be effectively ensured within the range, the product has stable and reliable operation guarantee, and the optimal reliability guarantee effect can be obtained when the ratio of the refrigerant oil injection amount of the compressor to the gas transmission amount of the compressor is within the specific range.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air conditioning system adopts R410A as a refrigerant, the second preset lower limit value is 10g/cm3, and the second preset upper limit value is 25g/cm3, that is, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is as follows: 10-25g/cm 3. This is the above preferred ratio range when the inverter air conditioning system of the present invention preferably uses R410 as the refrigerant, and the ratio range of the injection amount of the refrigerant oil of the compressor to the gas delivery amount of the compressor of the inverter air conditioning system is: 10-25g/cm3, the inverter air conditioning system can be further operated in a more stable operation state, and the operation reliability is improved.
Preferably, the first and second electrodes are formed of a metal,
preferably, the first and second electrodes are formed of a metal,
the second preset lower limit value is 10g/cm3, the second preset upper limit value is 15g/cm3, namely the ratio range of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is as follows: 10-15g/cm 3. This is a further preferred ratio range when the inverter air conditioning system of the present invention preferably employs R410 as the refrigerant, and the ratio range of the compressor refrigerant oil injection amount to the compressor gas delivery amount of the inverter air conditioning system is: 10-15g/cm3, the inverter air conditioning system can be further operated in the optimal stable operation state, and the operation reliability is improved.
Preferably, the first and second electrodes are formed of a metal,
when the inverter air conditioning system adopts R32 as a refrigerant, the second preset lower limit value is 5g/cm3, and the second preset upper limit value is 20g/cm3, that is, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is as follows: 5-20g/cm 3; this is the above preferred ratio range when the inverter air conditioning system of the present invention preferably uses R32 as the refrigerant, and the ratio range of the compressor refrigeration oil injection amount to the compressor gas delivery amount of the inverter air conditioning system is: 5-20g/cm3, the inverter air conditioning system can be further operated in a more stable operation state, and the operation reliability is improved.
Preferably, the first and second electrodes are formed of a metal,
the second preset lower limit value is 5g/cm3, the second preset upper limit value is 15g/cm3, namely the ratio range of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is as follows: 5-15g/cm 3. This is the above preferred ratio range when the inverter air conditioning system of the present invention preferably uses R32 as the refrigerant, and the ratio range of the compressor refrigeration oil injection amount to the compressor gas delivery amount of the inverter air conditioning system is: 5-15g/cm3, the inverter air conditioning system can be further operated in the optimal stable operation state, and the operation reliability is improved.
As shown in fig. 1, a rotary compressor and a household variable frequency air conditioning system using the same comprise a compressor 1, a condenser 2, a throttling device 3 and an evaporator 4;
the system refrigerant filling amount refers to the total amount of refrigerant sealed into the system when the household variable frequency air conditioning system is produced or installed, and the sealing amount of different types of refrigerants in the same system is generally different.
The injection amount of the compressor refrigeration oil is the sum of the amount of the refrigeration oil injected during the production of the compressor and the amount of the refrigeration oil supplemented during the production of the air conditioning system.
As shown in fig. 2, the gas transmission rate in the compressor is determined by the volume of the working chamber, which is the working volume enclosed by 5 cylinders and 6 rollers, and is equal to the working volume when one working chamber is provided in the compressor, and is equal to the sum of the working volumes when a plurality of working chambers are provided in the compressor.
The household variable frequency air conditioner mainly refers to a household variable frequency air conditioner product with rated refrigerating capacity within the range of 2000-8000W.
In order to ensure that the refrigeration cycle of the household variable frequency air conditioning system is equal to or close to the optimal matching value of each working condition under each working condition, the energy efficiency of the air conditioner under each working condition is improved, and a better refrigeration/heating effect is achieved. Aiming at air-conditioning products adopting different refrigerants, when the ratio of the refrigerant perfusion amount of the variable-frequency air-conditioning system to the gas transmission amount of the compressor is in a specific range, the optimal performance effect can be obtained.
For the R410A refrigerant system, the ratio range of the refrigerant perfusion quantity of the household variable frequency air-conditioning system to the gas transmission quantity of the compressor is designed as follows: 30-70g/cm 3;
more preferably, for the R410A refrigerant system, when the ratio of the refrigerant perfusion amount of the domestic variable frequency air-conditioning system to the gas transmission amount of the compressor is 30-50g/cm3, a more excellent effect can be obtained;
for an R32 refrigerant system, the ratio range of refrigerant perfusion volume and compressor gas transmission volume of the household variable frequency air conditioner system is designed as follows: 20-60g/cm 3;
more preferably, for the R32 refrigerant system, when the ratio of the refrigerant perfusion amount of the domestic variable frequency air-conditioning system to the gas transmission amount of the compressor is 20-40g/cm3, a more excellent effect can be obtained;
in order to ensure that the ratio of the refrigerant perfusion amount of the household variable frequency air conditioning system to the gas transmission amount of the compressor obtains the left and right performance effects in the range, and simultaneously, the product has stable and sufficient refrigeration capacity output, the maximum operation frequency of the corresponding compressor should reach 150-250 Hz.
Preferably, when the highest operation frequency of the compressor is 150-200Hz, the system refrigerating capacity and energy efficiency effect are better.
In order to ensure that the ratio of the refrigerant perfusion volume of the domestic variable frequency air conditioning system to the compressor gas transmission volume obtains the left and right performance effects in the range, the product has stable and reliable operation guarantee, and when the ratio of the refrigerant perfusion volume of the corresponding compressor to the compressor gas transmission volume is in a specific range, the optimal reliability guarantee effect can be obtained.
For the R410A refrigerant system, the ratio of the amount of refrigerant oil injected into the compressor to the amount of gas delivered by the compressor is designed as: 10-25g/cm 3;
more preferably, for the R410A refrigerant system, when the ratio of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is 10-15g/cm3, a more excellent effect can be obtained;
for the R32 refrigerant system, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is designed as follows: 5-20g/cm 3;
preferably, for the R32 refrigerant system, when the ratio of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is 5-15g/cm3, the better effect can be obtained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a variable frequency air conditioning system which characterized in that: comprises a compressor and a plurality of pipelines connected with the compressor;
refrigerant filling amount of the inverter air conditioning system, which is specified refrigerant sealing amount in the system and is in unit g;
the gas transmission capacity of the compressor is the sum of the working volumes or gas transmission capacities of all compression cavities in the compressor and is unit cm3；
And has the following components: the ratio range of the refrigerant perfusion amount of the variable frequency air conditioning system to the compressor gas transmission amount is between a first preset lower limit value and a first preset upper limit value.
2. The inverter air conditioning system of claim 1, wherein:
when the inverter air-conditioning system adopts R410A as the refrigerant, the first preset lower limit value is 30g/cm3, and the first preset upper limit value is 70g/cm3, that is, the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 30-70g/cm 3.
3. The inverter air conditioning system of claim 2, wherein:
the first preset lower limit value is 30g/cm3, the first preset upper limit value is 50g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 30-50g/cm 3.
4. The inverter air conditioning system of claim 1, wherein:
when the inverter air-conditioning system adopts R32 as the refrigerant, the first preset lower limit value is 20g/cm3, and the first preset upper limit value is 60g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 20-60g/cm 3.
5. The inverter air conditioning system of claim 4, wherein:
the first preset lower limit value is 20g/cm3, the first preset upper limit value is 40g/cm3, namely the ratio range of the refrigerant perfusion volume of the inverter air-conditioning system to the compressor gas transmission volume is as follows: 20-40g/cm 3.
6. The inverter air conditioning system according to any one of claims 1-5, wherein:
further comprising: the injection amount of the compressor refrigeration oil is the sum of the amount of the refrigeration oil injected during the production of the compressor and the amount of the refrigeration oil supplemented during the production of an air conditioning system, and is unit g;
and has the following components: the ratio range of the injection amount of the refrigerant oil of the compressor and the gas transmission amount of the compressor of the variable frequency air conditioning system is between a second preset lower limit value and a second preset upper limit value.
7. The inverter air conditioning system of claim 6, wherein:
when the inverter air conditioning system adopts R410A as a refrigerant, the second preset lower limit value is 10g/cm3, and the second preset upper limit value is 25g/cm3, that is, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is as follows: 10-25g/cm 3.
8. The inverter air conditioning system of claim 7, wherein:
the second preset lower limit value is 10g/cm3, the second preset upper limit value is 15g/cm3, namely the ratio range of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is as follows: 10-15g/cm 3.
9. The inverter air conditioning system of claim 6, wherein:
when the inverter air conditioning system adopts R32 as a refrigerant, the second preset lower limit value is 5g/cm3, and the second preset upper limit value is 20g/cm3, that is, the ratio of the injection amount of the refrigerant oil of the compressor to the gas transmission amount of the compressor is as follows: 5-20g/cm 3.
10. The inverter air conditioning system of claim 9, wherein:
the second preset lower limit value is 5g/cm3, the second preset upper limit value is 15g/cm3, namely the ratio range of the injection amount of the refrigeration oil of the compressor to the gas transmission amount of the compressor is as follows: 5-15g/cm 3.
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