CN104533819A - Method and device for controlling fan motor of refrigerator and refrigerator - Google Patents
Method and device for controlling fan motor of refrigerator and refrigerator Download PDFInfo
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- CN104533819A CN104533819A CN201410816334.6A CN201410816334A CN104533819A CN 104533819 A CN104533819 A CN 104533819A CN 201410816334 A CN201410816334 A CN 201410816334A CN 104533819 A CN104533819 A CN 104533819A
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- voltage
- air door
- fan electromotor
- ambient temperature
- temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a method and device for controlling a fan motor of a refrigerator and the refrigerator. The refrigerator comprises a compressor, a refrigerating chamber air door and a variable-temperature chamber air door. The method for controlling the fan motor of the refrigerator comprises the following steps that the environment temperature of the refrigerator and the current rotating speed of the compressor are obtained, the environment temperature state of the refrigerator is determined according to the environment temperature, the opening condition of the refrigerating chamber air door and the opening condition of the variable-temperature chamber air door are further obtained, and the voltage of the fan motor is determined according to the environment temperature state, the current rotating speed of the compressor, the opening condition of the refrigerating chamber air door and the opening condition of the variable-temperature chamber air door. According to the method for controlling the fan motor of the refrigerator, the voltage of the fan motor is determined according to the environment temperature state, the current rotating speed of the compressor, the opening condition of the refrigerating chamber air door and the opening condition of the variable-temperature chamber air door, then the rotating speed of the fan motor is determined, the cooling speed is improved, the starting time and the stopping time are optimized, the energy-saving effect is achieved, and user experience is greatly improved.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly relate to a kind of method for controlling fan electromotor of refrigerator, device and refrigerator.
Background technique
The control mode that refrigerator in correlation technique is generally taked for the rotating speed of fan electromotor is: the slow-speed of revolution under conventional sense is high rotating speed in following situation: 1, before compressor start, 10s is high rotating speed; 2, ring temperature is being high rotating speed higher than 35 DEG C; 3, under special pattern state be high rotating speed, as cold in speed, quick-frozen etc.
But, the controlling method of the rotating speed of said fans motor does not well utilize the rotating speed of fan electromotor to go temperature variation in tandem-driving bogie, and do not consider the difference of the rotating speed of fan electromotor under different compressors rotating speed, such as, under compressor height rotating speed, adopt the rotating speed of large fan electromotor to deliver to refrigeration and temperature-changing chamber always, then cause the waste of a part of compressor cold, in addition, when the cold each room distributes, exist and distribute waste problem.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is the method for controlling fan electromotor proposing a kind of refrigerator, the voltage of the method environmentally current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door, thus determine the rotating speed of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
Second object of the present invention is the fan electromotor control device proposing a kind of refrigerator.
3rd object of the present invention is to propose a kind of refrigerator.
To achieve these goals, the method for controlling fan electromotor of the refrigerator of first aspect present invention embodiment, described refrigerator comprises compressor, cold storage room air door and temperature-changing chamber air door, said method comprising the steps of: obtain the ambient temperature of refrigerator and the current rotating speed of described compressor; The ambient temperature conditions of described refrigerator is determined according to described ambient temperature; The unlatching situation of the described cold storage room air door of further acquisition and temperature-changing chamber air door; And the voltage of described fan electromotor is determined according to the current rotating speed of described ambient temperature conditions, described compressor and the unlatching situation of described cold storage room air door and temperature-changing chamber air door.
According to the method for controlling fan electromotor of the refrigerator of the embodiment of the present invention, the environmentally voltage of the current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door, thus determine the rotating speed of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
In one embodiment of the invention, describedly determine that the ambient temperature conditions of described refrigerator specifically comprises according to described ambient temperature: when described ambient temperature is less than temperature threshold, judge that described ambient temperature conditions is low ambient temperature state; And when described ambient temperature is more than or equal to described temperature threshold, judge that described ambient temperature conditions is high ambient temperature state.
In one embodiment of the invention, when described ambient temperature conditions is low ambient temperature state, the unlatching situation of the described current rotating speed according to described compressor and described cold storage room air door and temperature-changing chamber air door determines that the voltage of described fan electromotor specifically comprises: if the current rotating speed of described compressor is greater than the first rotary speed threshold value and is less than the second rotary speed threshold value, then the voltage using the first voltage as described fan electromotor, if the current rotating speed of described compressor is greater than described second rotary speed threshold value and be less than the 3rd rotary speed threshold value, then when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and described cold storage room air door and temperature-changing chamber air door is non-all open time, voltage using tertiary voltage as described fan electromotor, described tertiary voltage is less than described second voltage, and described second voltage is less than described first voltage, if the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then when described cold storage room air door and temperature-changing chamber air door are all opened, using the 4th voltage as the voltage of described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, using the 5th voltage as the voltage of described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 6th voltage as the voltage of described fan electromotor, described 6th voltage is less than described 5th voltage, described 5th voltage is less than described 4th voltage, described 4th voltage is less than described tertiary voltage.
In one embodiment of the invention, when described ambient temperature conditions is high ambient temperature state, the unlatching situation of the described current rotating speed according to described compressor and described cold storage room air door and temperature-changing chamber air door determines that the voltage of described fan electromotor specifically comprises: if the current rotating speed of described compressor is greater than the first rotary speed threshold value and be less than described 3rd rotary speed threshold value, then the voltage using the first voltage as described fan electromotor; If the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, voltage using tertiary voltage as described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 7th voltage as the voltage of described fan electromotor, described 7th voltage is less than described tertiary voltage and is greater than described 4th voltage.
In one embodiment of the invention, described first voltage is 11.2V, and described second voltage is 9.6V, and described tertiary voltage is 9.2V, and described 4th voltage is 8.4V, and described 5th voltage is 8.0V, and described 6th voltage is 7.6V, and described 7th voltage is 8.8V.
In one embodiment of the invention, described first rotary speed threshold value is 1000rps, and described second rotary speed threshold value is 2000rps, and described 3rd rotary speed threshold value is 3000rps.
To achieve these goals, the fan electromotor control device of the refrigerator of second aspect present invention embodiment, comprising: the first acquisition module, for the current rotating speed of the ambient temperature and described compressor that obtain refrigerator; Ambient temperature conditions determination module, for determining the ambient temperature conditions of described refrigerator according to described ambient temperature; Second acquisition module, for obtaining the unlatching situation of described cold storage room air door and temperature-changing chamber air door; And control module, for determining the voltage of described fan electromotor according to the current rotating speed of described ambient temperature conditions, described compressor and the unlatching situation of described cold storage room air door and temperature-changing chamber air door.
According to the fan electromotor control device of the refrigerator of the embodiment of the present invention, the voltage of the control module environmentally current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door, thus determine the rotating speed of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
In one embodiment of the invention, described ambient temperature conditions determination module is used for judging that when described ambient temperature is less than temperature threshold described ambient temperature conditions is low ambient temperature state, and when described ambient temperature is more than or equal to described temperature threshold, judge that described ambient temperature conditions is high ambient temperature state.
In one embodiment of the invention, when described ambient temperature conditions is low ambient temperature state: if the current rotating speed of described compressor is greater than the first rotary speed threshold value and is less than the second rotary speed threshold value, then the voltage of described control module using the first voltage as described fan electromotor, if the current rotating speed of described compressor is greater than described second rotary speed threshold value and be less than the 3rd rotary speed threshold value, then described control module is when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and described cold storage room air door and temperature-changing chamber air door is non-all open time, voltage using tertiary voltage as described fan electromotor, described tertiary voltage is less than described second voltage, and described second voltage is less than described first voltage, if the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then described control module is when described cold storage room air door and temperature-changing chamber air door are all opened, using the 4th voltage as the voltage of described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, using the 5th voltage as the voltage of described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 6th voltage as the voltage of described fan electromotor, described 6th voltage is less than described 5th voltage, described 5th voltage is less than described 4th voltage, described 4th voltage is less than described tertiary voltage.
In one embodiment of the invention, when described ambient temperature conditions is high ambient temperature state: if the current rotating speed of described compressor is greater than the first rotary speed threshold value and be less than described 3rd rotary speed threshold value, then the voltage of described control module using the first voltage as described fan electromotor; If the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then described control module is when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, voltage using tertiary voltage as described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 7th voltage as the voltage of described fan electromotor, described 7th voltage is less than described tertiary voltage and is greater than described 4th voltage.
In one embodiment of the invention, described first voltage is 11.2V, and described second voltage is 9.6V, and described tertiary voltage is 9.2V, and described 4th voltage is 8.4V, and described 5th voltage is 8.0V, and described 6th voltage is 7.6V, and described 7th voltage is 8.8V.
In one embodiment of the invention, described first rotary speed threshold value is 1000rps, and described second rotary speed threshold value is 2000rps, and described 3rd rotary speed threshold value is 3000rps.
To achieve these goals, the refrigerator of third aspect present invention embodiment, comprising: compressor, cold storage room air door and temperature-changing chamber air door; And the fan electromotor control device of second aspect present invention embodiment.
According to the refrigerator of the embodiment of the present invention, owing to being provided with fan electromotor control device, environmentally the current rotating speed of state of temperature, compressor and the unlatching situation of cold storage room air door and temperature-changing chamber air door carry out Stepped control to the voltage of fan electromotor, consider the difference of institute's chilling requirement under different operating mode, by in conjunction with frequency-changeable compressor and each between room request different, set the rotating speed of different fan electromotors, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for controlling fan electromotor of refrigerator according to an embodiment of the invention;
Fig. 2 is the schematic diagram of the voltage of unlatching situation determination fan electromotor according to the environmentally state of temperature of the present invention's specific embodiment, the current rotating speed of compressor and cold storage room air door and temperature-changing chamber air door;
Fig. 3 is the structural representation of the fan electromotor control device of refrigerator according to an embodiment of the invention.
Reference character:
First acquisition module 10, ambient temperature conditions determination module 20, second acquisition module 30 and control module 40.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings the method for controlling fan electromotor of the refrigerator of the embodiment of the present invention, device and refrigerator are described.
Fig. 1 is the flow chart of the method for controlling fan electromotor of refrigerator according to an embodiment of the invention.Wherein, refrigerator comprises compressor, cold storage room air door and temperature-changing chamber air door, and method for controlling fan electromotor comprises the following steps:
S1, obtains the ambient temperature of refrigerator and the current rotating speed of compressor.
Particularly, the ambient temperature T of refrigerator and the current rotating speed V of compressor is first obtained.
S2, the environmentally ambient temperature conditions of temperature determination refrigerator.
In one embodiment of the invention, environmentally the ambient temperature conditions of temperature determination refrigerator specifically comprises: when ambient temperature is less than temperature threshold, judges that ambient temperature conditions is low ambient temperature state; And when ambient temperature is more than or equal to temperature threshold, judge that ambient temperature conditions is high ambient temperature state.
In one embodiment of the invention, temperature threshold is 35 DEG C.
Particularly, as ambient temperature T < 35 DEG C, judge that ambient temperature conditions is low ambient temperature state, when ambient temperature T >=35 DEG C, judge that ambient temperature conditions is high ambient temperature state.
S3, obtains the unlatching situation of cold storage room air door and temperature-changing chamber air door further.
Particularly, obtaining the unlatching situation of cold storage room air door and temperature-changing chamber air door, is namely open or close.
S4, the environmentally voltage of the current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door.
Particularly, the rotating speed due to fan electromotor is along with the voltage of fan electromotor carries out changing, and therefore, just can be controlled the rotating speed of fan electromotor by the voltage changing fan electromotor.
The method for controlling fan electromotor of the refrigerator of the embodiment of the present invention, the environmentally voltage of the current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door, thus determine the rotating speed of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
In one embodiment of the invention, when ambient temperature conditions is low ambient temperature state, the voltage according to the current rotating speed of compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door specifically comprises:
If the current rotating speed of compressor is greater than the first rotary speed threshold value and is less than the second rotary speed threshold value, then using the first voltage as the voltage of fan electromotor;
If the current rotating speed of compressor is greater than the second rotary speed threshold value and be less than the 3rd rotary speed threshold value, then when cold storage room air door and temperature-changing chamber air door are all opened, using the second voltage as the voltage of fan electromotor, and cold storage room air door and temperature-changing chamber air door is non-all open time, using tertiary voltage as the voltage of fan electromotor, tertiary voltage is less than the second voltage, and the second voltage is less than the first voltage;
If the current rotating speed of compressor is greater than the 3rd rotary speed threshold value, then when cold storage room air door and temperature-changing chamber air door are all opened, using the 4th voltage as the voltage of fan electromotor, and in cold storage room air door and temperature-changing chamber air door during a unlatching, using the 5th voltage as the voltage of fan electromotor, and when cold storage room air door and temperature-changing chamber air door are not all opened, using the 6th voltage as the voltage of fan electromotor, 6th voltage is less than the 5th voltage, 5th voltage is less than the 4th voltage, and the 4th voltage is less than tertiary voltage.
In one embodiment of the invention, when ambient temperature conditions is high ambient temperature state, the voltage according to the current rotating speed of compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door specifically comprises:
If the current rotating speed of compressor is greater than the first rotary speed threshold value and be less than the 3rd rotary speed threshold value, then using the first voltage as the voltage of fan electromotor;
If the current rotating speed of compressor is greater than the 3rd rotary speed threshold value, then when cold storage room air door and temperature-changing chamber air door are all opened, using the second voltage as the voltage of fan electromotor, and in cold storage room air door and temperature-changing chamber air door during a unlatching, using tertiary voltage as the voltage of fan electromotor, and when cold storage room air door and temperature-changing chamber air door are not all opened, using the 7th voltage as the voltage of fan electromotor, the 7th voltage is less than tertiary voltage and is greater than the 4th voltage.
In one embodiment of the invention, the first voltage is 11.2V, and the second voltage is 9.6V, and tertiary voltage is 9.2V, and the 4th voltage is 8.4V, and the 5th voltage is 8.0V, and the 6th voltage is 7.6V, and the 7th voltage is 8.8V.
Certainly, it should be noted that, according to the difference of the cabinet space of refrigerator, can adjust accordingly the voltage of fan electromotor.
In one embodiment of the invention, the first rotary speed threshold value is 1000rps, and the second rotary speed threshold value is 2000rps, and the 3rd rotary speed threshold value is 3000rps.
Particularly, the schematic diagram of voltage of unlatching situation determination fan electromotor of the environmentally state of temperature of the present invention's specific embodiment, the current rotating speed of compressor and cold storage room air door and temperature-changing chamber air door is illustrated in figure 2.Wherein, the R in Fig. 2 represents cold storage room air door, and M represents temperature-changing chamber air door.
More specifically, the rotating speed due to fan electromotor is along with the voltage of fan electromotor carries out changing, therefore by changing the rotating speed of the Control of Voltage fan electromotor of fan electromotor.Therefore under fan electromotor has the request of unlatching special patterns such as (except), quick-frozens cold except speed, voltage for fan electromotor carries out Stepped control, namely as shown in Figure 2, first ambient temperature T is judged, at ambient temperature T >=35 DEG C (namely under high ambient temperature state): the current rotating speed V judging compressor further, as 1000rps<V<3000rps, then using the first voltage 11.2V as the voltage of fan electromotor; As V>3000rps, then judge the unlatching situation of cold storage room air door and temperature-changing chamber air door further, when R, M standard-sized sheet, using the second voltage 9.6V as the voltage of fan electromotor, when only having one to open in R and M, using tertiary voltage 9.2V as the voltage of fan electromotor, when R, M contract fully, using the 7th voltage 8.8V as the voltage of fan electromotor.At ambient temperature T < is 35 DEG C (namely under low ambient temperature state): the current rotating speed V judging compressor, as 1000rps<V<2000rps, then using the first voltage 11.2V as the voltage of fan electromotor; As 2000rps<V<3000rps, the unlatching situation of further judgement cold storage room air door and temperature-changing chamber air door, when R, M standard-sized sheet, using the second voltage 9.6V as the voltage of fan electromotor, when the non-standard-sized sheet of R, M, using tertiary voltage 9.2V as the voltage of fan electromotor; As V>3000rps, the unlatching situation of further judgement cold storage room air door and temperature-changing chamber air door, when R, M standard-sized sheet, using the 4th voltage 8.4V as the voltage of fan electromotor, when only having one to open in R and M, using the 5th voltage 8.0V as the voltage of fan electromotor, when R, M contract fully, using the 6th voltage 7.6V as the voltage of fan electromotor.Wherein, when the ambient temperature conditions of refrigerator is high ambient temperature state, because case internal loading is excessive, therefore adopt two grades of rotating speeds to balance the temperature inside the box, and when the rotating speed of compressor is greater than the 3rd rotary speed threshold value, consider again the unlatching situation (between namely each room refrigeration solicited status) of cold storage room air door and temperature-changing chamber air door, and when the ambient temperature conditions of refrigerator is low ambient temperature state, because case internal loading is excessive, therefore adopt third gear rotating speed to balance the temperature inside the box, and when the rotating speed of compressor is greater than the second rotary speed threshold value and is less than the 3rd rotary speed threshold value, and when the rotating speed of compressor is greater than the 3rd rotary speed threshold value, consider again the unlatching situation (between namely each room refrigeration solicited status) of cold storage room air door and temperature-changing chamber air door.Wherein, when the current rotating speed of compressor excessive and cold storage room or temperature-changing chamber are without solicited status, the rotating speed of fan electromotor can be reduced in right amount, to reach the object of maximum cold stream at refrigerating chamber, thus ensure the cooling rate of refrigerating chamber.
The controlling method of the embodiment of the present invention, when freezer compressor is in different rotating speeds and air door (cold storage room air door and temperature-changing chamber air door) is in different unlatching situation, by carrying out Stepped control to the voltage of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-saving effect.
In order to realize above-described embodiment, the present invention also proposes a kind of fan electromotor control device of refrigerator.
Fig. 3 is the structural representation of the fan electromotor control device of refrigerator according to an embodiment of the invention.As shown in Figure 3, the fan electromotor control device of the refrigerator of the embodiment of the present invention, comprising: the first acquisition module 10, ambient temperature conditions determination module 20, second acquisition module 30 and control module 40.
First acquisition module 10 is for the current rotating speed of the ambient temperature and compressor that obtain refrigerator.
Particularly, the ambient temperature T of refrigerator and the current rotating speed V of compressor is first obtained.
Ambient temperature conditions determination module 20 is for the ambient temperature conditions of environmentally temperature determination refrigerator.
In one embodiment of the invention, ambient temperature conditions determination module 20 is for judging that when ambient temperature is less than temperature threshold ambient temperature conditions is low ambient temperature state, and when ambient temperature is more than or equal to temperature threshold, judge that ambient temperature conditions is high ambient temperature state.
In one embodiment of the invention, temperature threshold is 35 DEG C.
Particularly, as ambient temperature T < 35 DEG C, ambient temperature conditions determination module 20 judges that ambient temperature conditions is low ambient temperature state, when ambient temperature T >=35 DEG C, judges that ambient temperature conditions is high ambient temperature state.
Second acquisition module 30 is for obtaining the unlatching situation of cold storage room air door and temperature-changing chamber air door.
Particularly, the second acquisition module 30 obtains the unlatching situation of cold storage room air door and temperature-changing chamber air door, is namely to open or close.
Control module 40 is for the voltage of the environmentally current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door.
Particularly, the rotating speed due to fan electromotor is along with the voltage of fan electromotor carries out changing, and therefore, control module 40 just can control the rotating speed of fan electromotor by the voltage changing fan electromotor.
The fan electromotor control device of the refrigerator of the embodiment of the present invention, the voltage of the control module environmentally current rotating speed of state of temperature, compressor and the unlatching situation determination fan electromotor of cold storage room air door and temperature-changing chamber air door, thus determine the rotating speed of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
In one embodiment of the invention, when ambient temperature conditions is low ambient temperature state, the control of the voltage of control module 40 pairs of fan electromotors, specific as follows:
If the current rotating speed of compressor is greater than the first rotary speed threshold value and is less than the second rotary speed threshold value, then control module is using the first voltage as the voltage of fan electromotor;
If the current rotating speed of compressor is greater than the second rotary speed threshold value and be less than the 3rd rotary speed threshold value, then control module is when cold storage room air door and temperature-changing chamber air door are all opened, using the second voltage as the voltage of fan electromotor, and cold storage room air door and temperature-changing chamber air door is non-all open time, using tertiary voltage as the voltage of fan electromotor, tertiary voltage is less than the second voltage, and the second voltage is less than the first voltage;
If the current rotating speed of compressor is greater than the 3rd rotary speed threshold value, then control module is when cold storage room air door and temperature-changing chamber air door are all opened, using the 4th voltage as the voltage of fan electromotor, and in cold storage room air door and temperature-changing chamber air door during a unlatching, using the 5th voltage as the voltage of fan electromotor, and when cold storage room air door and temperature-changing chamber air door are not all opened, using the 6th voltage as the voltage of fan electromotor, 6th voltage is less than the 5th voltage, 5th voltage is less than the 4th voltage, and the 4th voltage is less than tertiary voltage.
In one embodiment of the invention, when described ambient temperature conditions is high ambient temperature state, the control of the voltage of control module 40 pairs of fan electromotors, specific as follows:
If the current rotating speed of compressor is greater than the first rotary speed threshold value and be less than the 3rd rotary speed threshold value, then control module is using the first voltage as the voltage of fan electromotor;
If the current rotating speed of compressor is greater than the 3rd rotary speed threshold value, then control module is when cold storage room air door and temperature-changing chamber air door are all opened, using the second voltage as the voltage of fan electromotor, and in cold storage room air door and temperature-changing chamber air door during a unlatching, using tertiary voltage as the voltage of fan electromotor, and when cold storage room air door and temperature-changing chamber air door are not all opened, using the 7th voltage as the voltage of fan electromotor, the 7th voltage is less than tertiary voltage and is greater than the 4th voltage.
In one embodiment of the invention, the first voltage is 11.2V, and the second voltage is 9.6V, and tertiary voltage is 9.2V, and the 4th voltage is 8.4V, and the 5th voltage is 8.0V, and the 6th voltage is 7.6V, and the 7th voltage is 8.8V.
Certainly, it should be noted that, according to the difference of the cabinet space of refrigerator, control module 40 can adjust accordingly the voltage of fan electromotor.
In one embodiment of the invention, the first rotary speed threshold value is 1000rps, and the second rotary speed threshold value is 2000rps, and the 3rd rotary speed threshold value is 3000rps.
Particularly, the rotating speed due to fan electromotor is along with the voltage of fan electromotor carries out changing, therefore by changing the rotating speed of the Control of Voltage fan electromotor of fan electromotor.Therefore under fan electromotor has the request of unlatching, (speed is removed cold, the special patterns such as quick-frozen are outer), control module 40 carries out Stepped control for the voltage of fan electromotor, as shown in Figure 2, the ambient temperature of refrigerator and the current rotating speed of compressor is obtained by the first acquisition module 10, the unlatching situation of cold storage room air door and temperature-changing chamber air door is obtained by the second acquisition module 30, ambient temperature conditions determination module 20 judges ambient temperature T, at ambient temperature T >=35 DEG C (namely under high ambient temperature state), control module 40 judges the current rotating speed V of compressor, as 1000rps<V<3000rps, then using the first voltage 11.2V as the voltage of fan electromotor, as V>3000rps, then control module 40 judges the unlatching situation of cold storage room air door and temperature-changing chamber air door further, when R, M standard-sized sheet, using the second voltage 9.6V as the voltage of fan electromotor, when only having one to open in R and M, using tertiary voltage 9.2V as the voltage of fan electromotor, when R, M contract fully, using the 7th voltage 8.8V as the voltage of fan electromotor.At ambient temperature T < is 35 DEG C (namely under low ambient temperature state): control module 40 judges the current rotating speed V of compressor, as 1000rps<V<2000rps, then using the first voltage 11.2V as the voltage of fan electromotor; As 2000rps<V<3000rps, control module 40 judges the unlatching situation of cold storage room air door and temperature-changing chamber air door further, when R, M standard-sized sheet, using the second voltage 9.6V as the voltage of fan electromotor, when the non-standard-sized sheet of R, M, using tertiary voltage 9.2V as the voltage of fan electromotor; As V>3000rps, control module 40 judges the unlatching situation of cold storage room air door and temperature-changing chamber air door further, when R, M standard-sized sheet, using the 4th voltage 8.4V as the voltage of fan electromotor, when only having one to open in R and M, using the 5th voltage 8.0V as the voltage of fan electromotor, when R, M contract fully, using the 6th voltage 7.6V as the voltage of fan electromotor.Wherein, when the ambient temperature conditions of refrigerator is high ambient temperature state, because case internal loading is excessive, therefore adopt two grades of rotating speeds to balance the temperature inside the box, and when the rotating speed of compressor is greater than the 3rd rotary speed threshold value, consider again the unlatching situation (between namely each room refrigeration solicited status) of cold storage room air door and temperature-changing chamber air door, and when the ambient temperature conditions of refrigerator is low ambient temperature state, because case internal loading is excessive, therefore adopt third gear rotating speed to balance the temperature inside the box, and when the rotating speed of compressor is greater than the second rotary speed threshold value and is less than the 3rd rotary speed threshold value, and when the rotating speed of compressor is greater than the 3rd rotary speed threshold value, consider again the unlatching situation (between namely each room refrigeration solicited status) of cold storage room air door and temperature-changing chamber air door.Wherein, when the current rotating speed of compressor excessive and cold storage room or temperature-changing chamber are without solicited status, the rotating speed of fan electromotor can be reduced in right amount, to reach the object of maximum cold stream at refrigerating chamber, thus ensure the cooling rate of refrigerating chamber.
The fan electromotor control device of the refrigerator of the embodiment of the present invention, when freezer compressor is in different rotating speeds and air door (cold storage room air door and temperature-changing chamber air door) is in different unlatching situation, by carrying out Stepped control to the voltage of fan electromotor, improve cooling rate, optimize start/stop time, and then reach energy-saving effect.
In order to realize above-described embodiment, the present invention also proposes a kind of refrigerator, and this refrigerator comprises: the fan electromotor control device of the refrigerator of compressor, cold storage room air door and temperature-changing chamber air door and the embodiment of the present invention.
The refrigerator of the embodiment of the present invention, owing to being provided with fan electromotor control device, environmentally the current rotating speed of state of temperature, compressor and the unlatching situation of cold storage room air door and temperature-changing chamber air door carry out Stepped control to the voltage of fan electromotor, consider the difference of institute's chilling requirement under different operating mode, by in conjunction with frequency-changeable compressor and each between room request different, set the rotating speed of different fan electromotors, optimize start/stop time, and then reach energy-conservation effect, greatly improve Consumer's Experience.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logical function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic equipment) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logical function to data-signal, there is the specific integrated circuit of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a puocessing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (13)
1. a method for controlling fan electromotor for refrigerator, is characterized in that, described refrigerator comprises compressor, cold storage room air door and temperature-changing chamber air door, said method comprising the steps of:
Obtain the ambient temperature of refrigerator and the current rotating speed of described compressor;
The ambient temperature conditions of described refrigerator is determined according to described ambient temperature;
The unlatching situation of the described cold storage room air door of further acquisition and temperature-changing chamber air door; And
The voltage of described fan electromotor is determined according to the current rotating speed of described ambient temperature conditions, described compressor and the unlatching situation of described cold storage room air door and temperature-changing chamber air door.
2. the method for controlling fan electromotor of refrigerator as claimed in claim 1, is characterized in that, describedly determines that the ambient temperature conditions of described refrigerator specifically comprises according to described ambient temperature:
When described ambient temperature is less than temperature threshold, judge that described ambient temperature conditions is low ambient temperature state; And
When described ambient temperature is more than or equal to described temperature threshold, judge that described ambient temperature conditions is high ambient temperature state.
3. the method for controlling fan electromotor of refrigerator as claimed in claim 2, it is characterized in that, when described ambient temperature conditions is low ambient temperature state, the unlatching situation of the described current rotating speed according to described compressor and described cold storage room air door and temperature-changing chamber air door determines that the voltage of described fan electromotor specifically comprises:
If the current rotating speed of described compressor is greater than the first rotary speed threshold value and is less than the second rotary speed threshold value, then the voltage using the first voltage as described fan electromotor;
If the current rotating speed of described compressor is greater than described second rotary speed threshold value and be less than the 3rd rotary speed threshold value, then when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and described cold storage room air door and temperature-changing chamber air door is non-all open time, voltage using tertiary voltage as described fan electromotor, described tertiary voltage is less than described second voltage, and described second voltage is less than described first voltage;
If the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then when described cold storage room air door and temperature-changing chamber air door are all opened, using the 4th voltage as the voltage of described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, using the 5th voltage as the voltage of described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 6th voltage as the voltage of described fan electromotor, described 6th voltage is less than described 5th voltage, described 5th voltage is less than described 4th voltage, described 4th voltage is less than described tertiary voltage.
4. the method for controlling fan electromotor of refrigerator as claimed in claim 2, it is characterized in that, when described ambient temperature conditions is high ambient temperature state, the unlatching situation of the described current rotating speed according to described compressor and described cold storage room air door and temperature-changing chamber air door determines that the voltage of described fan electromotor specifically comprises:
If the current rotating speed of described compressor is greater than the first rotary speed threshold value and be less than described 3rd rotary speed threshold value, then the voltage using the first voltage as described fan electromotor;
If the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, voltage using tertiary voltage as described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 7th voltage as the voltage of described fan electromotor, described 7th voltage is less than described tertiary voltage and is greater than described 4th voltage.
5. the method for controlling fan electromotor of the refrigerator as described in claim 3 or 4, it is characterized in that, described first voltage is 11.2V, described second voltage is 9.6V, described tertiary voltage is 9.2V, and described 4th voltage is 8.4V, and described 5th voltage is 8.0V, described 6th voltage is 7.6V, and described 7th voltage is 8.8V.
6. the method for controlling fan electromotor of the refrigerator as described in claim 3 or 4, is characterized in that, described first rotary speed threshold value is 1000rps, and described second rotary speed threshold value is 2000rps, and described 3rd rotary speed threshold value is 3000rps.
7. a fan electromotor control device for refrigerator, is characterized in that, comprising:
First acquisition module, for the current rotating speed of the ambient temperature and described compressor that obtain refrigerator;
Ambient temperature conditions determination module, for determining the ambient temperature conditions of described refrigerator according to described ambient temperature;
Second acquisition module, for obtaining the unlatching situation of described cold storage room air door and temperature-changing chamber air door; And
Control module, for determining the voltage of described fan electromotor according to the current rotating speed of described ambient temperature conditions, described compressor and the unlatching situation of described cold storage room air door and temperature-changing chamber air door.
8. the fan electromotor control device of refrigerator as claimed in claim 7, it is characterized in that, described ambient temperature conditions determination module is used for judging that when described ambient temperature is less than temperature threshold described ambient temperature conditions is low ambient temperature state, and when described ambient temperature is more than or equal to described temperature threshold, judge that described ambient temperature conditions is high ambient temperature state.
9. the fan electromotor control device of refrigerator as claimed in claim 8, is characterized in that, when described ambient temperature conditions is low ambient temperature state:
If the current rotating speed of described compressor is greater than the first rotary speed threshold value and is less than the second rotary speed threshold value, then the voltage of described control module using the first voltage as described fan electromotor;
If the current rotating speed of described compressor is greater than described second rotary speed threshold value and be less than the 3rd rotary speed threshold value, then described control module is when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and described cold storage room air door and temperature-changing chamber air door is non-all open time, voltage using tertiary voltage as described fan electromotor, described tertiary voltage is less than described second voltage, and described second voltage is less than described first voltage;
If the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then described control module is when described cold storage room air door and temperature-changing chamber air door are all opened, using the 4th voltage as the voltage of described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, using the 5th voltage as the voltage of described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 6th voltage as the voltage of described fan electromotor, described 6th voltage is less than described 5th voltage, described 5th voltage is less than described 4th voltage, described 4th voltage is less than described tertiary voltage.
10. the fan electromotor control device of refrigerator as claimed in claim 8, is characterized in that, when described ambient temperature conditions is high ambient temperature state:
If the current rotating speed of described compressor is greater than the first rotary speed threshold value and be less than described 3rd rotary speed threshold value, then the voltage of described control module using the first voltage as described fan electromotor;
If the current rotating speed of described compressor is greater than described 3rd rotary speed threshold value, then described control module is when described cold storage room air door and temperature-changing chamber air door are all opened, voltage using the second voltage as described fan electromotor, and in described cold storage room air door and temperature-changing chamber air door during a unlatching, voltage using tertiary voltage as described fan electromotor, and when described cold storage room air door and temperature-changing chamber air door are not all opened, using the 7th voltage as the voltage of described fan electromotor, described 7th voltage is less than described tertiary voltage and is greater than described 4th voltage.
The fan electromotor control device of 11. refrigerators as described in claim 9 or 10, it is characterized in that, described first voltage is 11.2V, described second voltage is 9.6V, described tertiary voltage is 9.2V, and described 4th voltage is 8.4V, and described 5th voltage is 8.0V, described 6th voltage is 7.6V, and described 7th voltage is 8.8V.
The fan electromotor control device of 12. refrigerators as described in claim 9 or 10, it is characterized in that, described first rotary speed threshold value is 1000rps, and described second rotary speed threshold value is 2000rps, and described 3rd rotary speed threshold value is 3000rps.
13. 1 kinds of refrigerators, is characterized in that, comprising:
Compressor, cold storage room air door and temperature-changing chamber air door; And
Fan electromotor control device as described in any one of claim 7-12.
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