CN1796887A - Method of controlling over-load cooling operation of air conditioner - Google Patents
Method of controlling over-load cooling operation of air conditioner Download PDFInfo
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- CN1796887A CN1796887A CNA2005100488124A CN200510048812A CN1796887A CN 1796887 A CN1796887 A CN 1796887A CN A2005100488124 A CNA2005100488124 A CN A2005100488124A CN 200510048812 A CN200510048812 A CN 200510048812A CN 1796887 A CN1796887 A CN 1796887A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
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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
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
- F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
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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
- F25B2500/00—Problems to be solved
- F25B2500/08—Exceeding a certain temperature value in a refrigeration component or cycle
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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
- F25B2500/00—Problems to be solved
- F25B2500/29—High ambient temperatures
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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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A method of controlling an over-load cooling operation of an air conditioner includes over-load operation mode in which, when an outdoor pipe temperature and an outdoor temperature exceeds reference temperatures, respectively, the operation capacity is changed to a low-level operation capacity, which is lower than the current operation capacity, the low-level operation capacity being one of plural operation capacities set according to the operation capacities of compressors, and the operation is performed, and normal operation mode in which the outdoor pipe temperature is measured every predetermined period of time after the operation is performed in the over-load operation mode, and, when the measured outdoor pipe temperature is below the reference temperature, the operation is performed according to a signal from a thermostat. The continuous cooling operation is possible even under the over-load condition during the cooling operation of the air conditioner, and the air conditioner system is protected through the variable-capacity operation. Consequently, the present invention has the effect of improving user comfort and improving operational reliability of the air conditioner.
Description
Technical field
The present invention relates to a kind of method of controlling operation of air conditioner; relate in particular to a kind of method of controlling the over-load cooling operation of air-conditioning; in it can transship during the refrigerating operaton of air-conditioning, in the protection air-conditioning system, make the refrigerating operaton of air-conditioning not have interruptedly and carry out.
Background technology
In general, heat pump type air conditioner is a kind of can the refrigeration simultaneously and the air-conditioning of heating operation.Heat pump type air conditioner comprises evaporimeter and compressor, by them heat pump type air conditioner is used as refrigeration plant or heating equipment.Flow of coolant oppositely realizes in the kind of refrigeration cycle by making in switching between refrigeration plant and the heating equipment.
Fig. 1 is the stereogram of schematically illustrated routine modular (unitary) air-conditioning, and it is a kind of form of above-mentioned heat pump type air conditioner.Unitary air conditioner is constructed so that operation or stop signal are sent to indoor set 20 and off-premises station 10 from being installed in indoor thermostat 30, with operation indoor set 20 and off-premises station 10.
In general, unitary air conditioner is widely used in the ordinary residence, and they all have the 1 grade of thermostat that only transmits the ON/OFF signal.Yet recently, day by day required energy-conservation and refrigeration and heating operation more easily, therefore used the unitary air conditioner that all has 2 grades of thermostats, can change capacity by these 2 grades of thermostats.
If unitary air conditioner is used 2 grades of thermostats, then use 2 grades of compressor with variable or a plurality of constant-speed compressor of volume-variable.Based on signal, when changing compressor capacity, freeze or heating operation from thermostat.
During refrigerating operaton at air-conditioning; because the condenser place lacks heat transmission; outdoor temperature raises or pipe temperature surpasses predetermined temperature (according to the regulation of U.S. air conditioner refrigerating association (ART); be about 46 ℃) time; determine that air-conditioning moves under overload condition; therefore stop compressor, protect air-conditioning system thus effectively.
Yet according to the method for the overload of controlling conventional air-conditioning as mentioned above, outdoor temperature can raise under the overlond running condition.As a result, the user would rather require the higher refrigerating operaton of air-conditioning.When at this moment stopping air-conditioning with the protection air-conditioning system, indoor temperature can raise, so the user feels not well.
Summary of the invention
Therefore; the present invention makes in view of the above problems; the purpose of this invention is to provide a kind of method of controlling the over-load cooling operation of air-conditioning; in it can transship during the refrigerating operaton of air-conditioning; in the protection air-conditioning system; make the refrigerating operaton of air-conditioning not have interruptedly and carry out, improve user's comfort level thus and improve the operational reliability of air-conditioning.
According to the present invention, above-mentioned and other purposes can realize by a kind of method of controlling the over-load cooling operation of air-conditioning is provided, comprise: the overlond running pattern, wherein: when yard piping temperature and outdoor temperature are higher than a fiducial temperature respectively, working capacity is become rudimentary working capacity and the operation that is lower than current working capacity, and this rudimentary working capacity is one of a plurality of working capacities that are provided with according to the working capacity of compressor; And normal operation mode, wherein: after pressing the overlond running mode operation, every predetermined amount of time measuring chamber Outer Tube temperature, when the yard piping temperature that records is lower than this fiducial temperature, according to signal operation from thermostat.
Preferably, the fiducial temperature of yard piping temperature is set to be higher than the fiducial temperature of outdoor temperature.
When the overlond running pattern begins, working capacity is become the first rudimentary working capacity that is lower than current working capacity; And after pressing the overlond running mode operation when the predetermined amount of time, if yard piping temperature or outdoor temperature are higher than fiducial temperature, then working capacity becomes the second rudimentary working capacity that is lower than the first rudimentary working capacity, then with the second rudimentary working capacity operation.
Suppose in the overlond running pattern to be set to X%, Y% and Z% according to the working capacity of the order compressor of the working capacity of compressor, when working capacity is the X% working capacity, compressor moves with the Y% working capacity that is lower than the X% working capacity, when working capacity is the Y% working capacity, compressor moves with the Z% working capacity that is lower than the Y% working capacity, and when working capacity was the Z% working capacity, compressor stopped.
When compressor is pressed the overlond running mode operation, be used to make the outdoor fan of outdoor heat converter cooling to move, and when compressor stopped in the overlond running pattern, outdoor fan stopped with high gas flow.
During pressing the overlond running mode operation, if become rudimentary run signal from the signal of the thermostat of controlling the operation of air conditioner level from senior run signal, then compressor turns back to normal operation mode.
During pressing the overlond running mode operation,, then still press the overlond running mode operation if become senior run signal from rudimentary run signal from the signal of thermostat.
After compressor turned back to normal operation mode, when yard piping temperature or outdoor temperature were higher than fiducial temperature, a section operational mode did not become the overlond running pattern at the fixed time.
When passing through predetermined amount of time after compressor start, if the yard piping temperature is the specified temp that is higher than fiducial temperature, then two compressors all stop.
When process predetermined amount of time after compressor all stops, compressor is restarted by normal operation mode.
According to the present invention, the method for the over-load cooling operation of control air-conditioning can control operation be that even at the refrigerating operaton that still can continue under overload condition during the refrigerating operaton of air-conditioning, thereby air-conditioning is protected by the variable-displacement operation.As a result, the present invention has the effect that improves user's comfort level and improve the operation of air conditioner reliability.
Description of drawings
From the following specific descriptions that combine with accompanying drawing, above-mentioned and other purposes of the present invention, feature and other advantages will more be expressly understood, in the accompanying drawings:
Fig. 1 is the stereogram of schematically illustrated conventional unitary air conditioner system;
Fig. 2 illustrates to have used the schematic diagram of structure of air-conditioning system of method of controlling the over-load cooling operation of air-conditioning according to the present invention;
Fig. 3 illustrates the flow chart of method of controlling the over-load cooling operation of air-conditioning according to the present invention; And
Fig. 4 illustrates the curve map of method of controlling the over-load cooling operation of air-conditioning according to the present invention.
The specific embodiment
Referring now to accompanying drawing, the preferred embodiments of the present invention will be described particularly.
Fig. 2 illustrates to have used the schematic diagram of structure of air-conditioning system of method of controlling the over-load cooling operation of air-conditioning according to the present invention.
Fig. 2 illustrates the running status of air-conditioning during refrigerating operaton.As shown in Figure 2, low capacity compressor 51 and big capacity compressor 52 are installed in the off-premises station 50.At the entrance side place of compressor 51 and 52 reservoir (accumulator) 57 is installed.The check-valves 59 that is used to prevent back flow of refrigerant is installed respectively at the outlet side place of compressor 51 and 52.Between the inlet of compressor 51 and 52 and outlet side, be separately installed with the equalizing valve (flat pressure valve) 58 that is used for when compressor stops, carrying out the concora crush function.
In off-premises station 50, also be equipped with and be used for the cross valve 53 that switches between refrigeration and heating operation.In addition, when heating operation, be installed on off-premises station 50 as the outdoor heat converter 55 of evaporimeter and the outdoor fan 56 that is used for drying.
Especially, being used for the Tube Temperature Sensor 54 of measuring channel temperature and being used to measures the outdoor temperature sensor 80 of outside air temperature and is installed on off-premises station 50.In the embodiment shown, Tube Temperature Sensor 54 is installed on outdoor heat converter 55 places, and Tube Temperature Sensor 54 also can be installed on the outlet side of compressor 51 and 52 and the pipeline place between the outdoor heat converter 55 certainly.
Indoor 2 grades of thermostats 70 are installed what indoor set 60 was installed, are used to control the operation of heat pump type air conditioner with above-mentioned structure.2 grades of thermostats 70 are configured to take place to close signal, low run signal Y1 and high run signal Y2.Specifically, 2 grades of thermostats 70 are configured to make the air-conditioning variable operation.Based on the load of indoor, 2 grades of thermostats 70 are sent to the indoor fan 62 of indoor set 60 and the compressor 51 and 52 of off-premises station 50 with high run signal Y2 or low run signal Y1.
During the refrigerating operaton of air-conditioning, have the compressor 51 of different capabilities and at least one operation of 52 with above-mentioned structure.According to the operation of compressor 51 and 52, cold-producing medium is via cross valve 53, outdoor heat converter 55, expansion gear 63, indoor heat converter 61, cross valve 53, reservoir 57 and compressor 51 and 52 circulations.As a result, carried out refrigerating operaton.
In the following description, when only moving big capacity compressor 52 is exactly to carry out 60% operation, be exactly to carry out 40% operation when only moving low capacity compressor 51, when operation big capacity compressor 52 and low capacity compressor 51 the two the time be exactly to carry out 100% operation.Yet, should be noted that above-mentioned percentage only for convenience of description the purpose of illustrated embodiment of the present invention classify.As a result, can applied compression machine 51 and 52, and various capacity are arranged under different condition.
According to the operation of the big capacity compressor 52 of air-conditioning of the present invention and low capacity compressor 51 is according to for example moving in the operational mode of 100% operational mode, 60% operational mode and 40% in 3 grades of patterns from the signal of 2 grades of thermostats 70.Specifically, when high run signal Y2 when thermostat 70 is sent to compressor 51 and 52, carry out 100% operation, promptly big capacity compressor 52 and low capacity compressor 51 all move.On the other hand, when low run signal Y1 when thermostat 70 is sent to compressor 51 and 52, big capacity compressor 52 or low capacity compressor 51 move according to service condition.
Now with reference to Fig. 3 and 4, describing when overload time control fixture takes place has the method for refrigerating operaton of the air-conditioning of above-mentioned operational mode.
Fig. 3 illustrates the flow chart of method of controlling the over-load cooling operation of air-conditioning according to the present invention, and Fig. 4 illustrates the curve map of method of controlling the over-load cooling operation of air-conditioning according to the present invention.
At first with reference to Fig. 3, compressor 51 and 52 refrigerating operatons according to air-conditioning start.If after compressor start through predetermined amount of time for example 30 seconds the time, perhaps when air-conditioning was pressed the overlond running mode operation 10 minutes, the yard piping temperature that Tube Temperature Sensor 54 is measured is the specified temp (for example 65 ℃) that is higher than fiducial temperature (for example 60 ℃), determines that then air-conditioning is under the pipeline overload condition.As a result, compressor 51 and 52 and outdoor fan 56 all stop.
When after two compressors stop through predetermined amount of time for example 3 minutes the time, compressor 51 and 52 is restarted by normal operation mode.
If the yard piping temperature that Tube Temperature Sensor 54 records is the fiducial temperature (for example 60 ℃) that is lower than specified temp, perhaps the outdoor temperature that records of outdoor temperature sensor 80 is higher than fiducial temperature (for example 55 ℃), then compressor is pressed the overlond running mode operation, and wherein working capacity becomes the first rudimentary working capacity that is lower than current working capacity.The first rudimentary working capacity is one of a plurality of working capacities that are provided with according to the working capacity of compressor 51 and 52.
The Y% working capacity (60% working capacity) of X% working capacity (100% working capacity) that two compressors 51 and 52 all move, only big capacity compressor 52 operations is set and only under the situation of the Z% working capacity (40% working capacity) that moves of low capacity compressor 51 at order (order) with the working capacity of compressor in the overlond running pattern, when working capacity was 100% working capacity, compressor moved with 60% the working capacity that is lower than 100% working capacity.When working capacity was 60% working capacity, compressor moved with 40% working capacity greater than 60% working capacity.When working capacity was 40% working capacity, compressor stopped.
When compressor 51 and 52 during, if outdoor fan 56 can run on high/low/middle flow pattern then is used to make the outdoor fan 56 of outdoor heat converter 55 coolings with the high gas flow mode operation respectively with the working capacity operation of 60% working capacity and 40%.When compressor 51 and 52 all stopped, outdoor fan 56 also stopped.
Yet, even if compressor operating after the overlond running pattern through predetermined amount of time for example 10 minutes the time, the yard piping temperature still is higher than 60 ℃ or outdoor temperature and still is higher than 55 ℃, then working capacity becomes the second rudimentary working capacity that is lower than the first rudimentary working capacity, then with the second rudimentary working capacity operation.
If as shown in Figure 4 after entering the overlond running pattern, in first section for example in the A section, the working capacity of working capacity from 100% becomes 60% working capacity and compressor with the working capacity operation after changing, even and the yard piping temperature still surpasses 60 ℃ after through 10 minutes, then compressor moves with 40% working capacity.
Even if still surpassing 60 ℃ through yard piping temperature after 10 minutes again, then compressor 51 and 52 stops, as shown in the B section.
When passing through nearly 3 minutes after compressor 51 and 52 stops, compressor 51 and 52 is restarted by normal operation mode.
If the signal from thermostat 70 during by the overlond running mode operation becomes rudimentary run signal from senior run signal, if promptly this signal becomes low run signal Y1 from high run signal Y2, then the working capacity of control signal from 100% becomes 60% working capacity.As a result, the overlond running pattern automatically discharges, and compressor turns back to normal operation mode.When this signal became the OFF signal from hanging down run signal Y1, two compressors 51 and 52 stopped.
On the other hand, if the signal from thermostat 70 during by the overlond running mode operation becomes senior run signal from rudimentary run signal, if promptly this signal becomes low run signal Y1 or becomes high run signal Y2 from low run signal Y1 from the OFF signal, then still press the overlond running mode operation.
As mentioned above, after pressing the overlond running mode operation, every 10 minutes measuring chamber Outer Tube temperature or outdoor temperature.When the yard piping temperature that records or the outdoor temperature that records when fiducial temperature (60 ℃ or 55 ℃) is following, according to the operation of carrying out normal operation mode from the signal of thermostat 70.
When yard piping temperature or outdoor temperature are higher than fiducial temperature (60 ℃ or 55 ℃) when turn back to normal operation mode at compressor after; the section operational mode does not become the overlond running pattern at the fixed time; prevent the sudden change of compressor capacity thus, thereby can protect air-conditioning system.
Apparent from top description; the method of the over-load cooling operation of control air-conditioning can be carried out control operation; even thereby at the refrigerating operaton that still can continue under overload condition during the refrigerating operaton of air-conditioning, air-conditioning is protected by the variable-displacement operation.As a result, the present invention has the effect that improves user's comfort level and improve the operational reliability of air-conditioning.
Although the preferred embodiments of the present invention disclose for illustration purposes, it will be apparent to one skilled in the art that the scope and spirit of the present invention that do not break away from as disclosing in the claims, can carry out various remodeling, additional and replacement.
Claims (10)
1. method of controlling the over-load cooling operation of air-conditioning comprises:
The overlond running pattern, wherein: when yard piping temperature and outdoor temperature are higher than fiducial temperature respectively, working capacity is become rudimentary working capacity and the operation that is lower than current working capacity, and this rudimentary working capacity is one of a plurality of working capacities that are provided with according to the working capacity of compressor; And
Normal operation mode, wherein: after pressing the overlond running mode operation, every predetermined amount of time measuring chamber Outer Tube temperature, when the yard piping temperature that records is lower than this fiducial temperature, according to signal operation from thermostat.
2. the method for claim 1, wherein the fiducial temperature of yard piping temperature is set to be higher than the fiducial temperature of outdoor temperature.
3. the method for claim 1, wherein:
When the overlond running pattern begins, working capacity is become the first rudimentary working capacity that is lower than current working capacity; And
When after pressing the overlond running mode operation, passing through predetermined amount of time, if yard piping temperature or outdoor temperature are higher than fiducial temperature, then working capacity is become the second rudimentary working capacity that is lower than the first rudimentary working capacity, then with the second rudimentary working capacity operation.
4. the method for claim 1, wherein:
Suppose in the overlond running pattern to be set to X%, Y% and Z% according to the working capacity of the order compressor of the working capacity of compressor,
When working capacity was the X% working capacity, compressor moved with the Y% working capacity that is lower than the X% working capacity,
When working capacity was the Y% working capacity, compressor moved with the Z% working capacity that is lower than the Y% working capacity, and
When working capacity was the Z% working capacity, compressor stopped.
5. the method for claim 1, wherein:
When compressor is pressed the overlond running mode operation, be used to make the outdoor fan of outdoor heat converter cooling to move with high gas flow, and
When compressor stopped in the overlond running pattern, outdoor fan stopped.
6. the method for claim 1, wherein during pressing the overlond running mode operation, if become rudimentary run signal from the signal of the thermostat of control operation of air conditioner level from senior run signal, then compressor turns back to normal operation mode.
7. the method for claim 1 wherein during pressing the overlond running mode operation, if become senior run signal from the signal of thermostat from rudimentary run signal, is then still pressed the overlond running mode operation.
8. the method for claim 1, wherein after compressor turns back to normal operation mode, when yard piping temperature or outdoor temperature were higher than fiducial temperature, a section operational mode did not become the overlond running pattern at the fixed time.
9. the method for claim 1, wherein after compressor start during through predetermined amount of time, if the yard piping temperature is the specified temp that is higher than fiducial temperature, then compressor all stops.
10. method as claimed in claim 9, when wherein passing through predetermined amount of time after compressor stops, compressor is restarted by normal operation mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040113566 | 2004-12-28 | ||
| KR1020040113566A KR100688169B1 (en) | 2004-12-28 | 2004-12-28 | Cooling over-heating operation control method for air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1796887A true CN1796887A (en) | 2006-07-05 |
Family
ID=36084406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100488124A Pending CN1796887A (en) | 2004-12-28 | 2005-12-28 | Method of controlling over-load cooling operation of air conditioner |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20060207273A1 (en) |
| EP (1) | EP1677058A3 (en) |
| KR (1) | KR100688169B1 (en) |
| CN (1) | CN1796887A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769570B (en) * | 2008-12-26 | 2015-03-11 | Lg电子株式会社 | Air conditioner and operation method thereof |
| CN104566772A (en) * | 2013-10-24 | 2015-04-29 | 广州南洋理工职业学院 | Air conditioner refrigeration overload protection method |
| CN110779188A (en) * | 2019-11-05 | 2020-02-11 | 中国扬子集团滁州扬子空调器有限公司 | Control method for improving high-load operation performance of air conditioner refrigeration |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100705223B1 (en) * | 2005-10-28 | 2007-04-06 | 엘지전자 주식회사 | Method for dissolving partial overload in air conditioner |
| KR20080074378A (en) * | 2007-02-08 | 2008-08-13 | 엘지전자 주식회사 | Temperature limitation method for multi-air conditioner |
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-
2005
- 2005-12-21 EP EP05028036A patent/EP1677058A3/en not_active Withdrawn
- 2005-12-27 US US11/317,018 patent/US20060207273A1/en not_active Abandoned
- 2005-12-28 CN CNA2005100488124A patent/CN1796887A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769570B (en) * | 2008-12-26 | 2015-03-11 | Lg电子株式会社 | Air conditioner and operation method thereof |
| CN104566772A (en) * | 2013-10-24 | 2015-04-29 | 广州南洋理工职业学院 | Air conditioner refrigeration overload protection method |
| CN110779188A (en) * | 2019-11-05 | 2020-02-11 | 中国扬子集团滁州扬子空调器有限公司 | Control method for improving high-load operation performance of air conditioner refrigeration |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060075020A (en) | 2006-07-04 |
| KR100688169B1 (en) | 2007-03-02 |
| EP1677058A3 (en) | 2012-01-11 |
| EP1677058A2 (en) | 2006-07-05 |
| US20060207273A1 (en) | 2006-09-21 |
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