CN104880015A - Refrigerator and control method used for cooling draught fan of refrigerator compressor - Google Patents
Refrigerator and control method used for cooling draught fan of refrigerator compressor Download PDFInfo
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- CN104880015A CN104880015A CN201510275463.3A CN201510275463A CN104880015A CN 104880015 A CN104880015 A CN 104880015A CN 201510275463 A CN201510275463 A CN 201510275463A CN 104880015 A CN104880015 A CN 104880015A
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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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- 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
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a refrigerator and a control method used for a cooling draught fan of a refrigerator compressor. The control method comprises the step that power supply voltage of the cooling draught fan is controlled according to current environment humidity and the current environment temperature of the refrigerator and current rotary speed of the compressor. The refrigerator comprises the compressor, the cooling draught fan used for cooling the compressor and a control device which is assembled to confirm the power supply voltage of the cooling draught fan according to the current environment humidity and the current environment temperature of the refrigerator and the current rotary speed of the compressor. According to the refrigerator and the control method used for the cooling draught fan of the refrigerator compressor, controlling can be conducted on rotary speed or the power supply voltage of the cooling draught fan according to the current environment humidity and the current environment temperature of the refrigerator and the current rotary speed of the compressor, and compared with the prior art that by using the fixed rotary speed or the current environment temperature of the refrigerator and the current rotary speed of the compressor to control the power supply voltage of the cooling draught fan, cooling of the compressor is controlled more accurately.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to the control method of a kind of refrigerator and the cooling fan for freezer compressor.
Background technology
Freezer compressor heat radiation has two kinds of modes at present: heat loss through radiation and heat loss through convection.Heat loss through radiation passes to surrounding air by compressor surface in thermal-radiating mode by heat, and rate of heat dispation is little, and efficiency is low; The heat of compressor passes by the mode that heat loss through convection flows with gas mainly through cooling fan, main comparatively large by air speed influence, depends on cooling fan rotating speed.The rotating speed of the cooling fan of current refrigerator is generally changeless, and thus, in order to meet any operating mode, cooling fan must be operated in higher rotation speed always.But when compressor heat dissipation capacity is little, cooling fan is still in the state of running up, and automatically can not reduce rotating speed, be unfavorable for energy-conservation and reduction that is noise.
Summary of the invention
One object of the present invention is to overcome in prior art exists at least one defect, the control method of a kind of refrigerator and the cooling fan for freezer compressor is provided, it can control according to refrigerator current environment humidity, environment temperature and the supply voltage of the current rotating speed of compressor to cooling fan, reduces the energy consumption of refrigerator.
According to an aspect of the present invention, provide a kind of control method of the cooling fan for freezer compressor, comprising:
The supply voltage of described cooling fan is determined according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
Alternatively, wherein determine that the supply voltage of described cooling fan comprises according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor:
Determine the humidity range divided in advance belonging to described refrigerator current environment humidity;
The supply voltage corresponding with described humidity range is determined with the current rotating speed of described compressor according to described refrigerator current environmental temperature.
Alternatively, wherein determine that the supply voltage corresponding with described humidity range comprises according to described refrigerator current environmental temperature with the current rotating speed of described compressor:
According to described humidity range, determine the temperature range divided in advance belonging to described refrigerator current environmental temperature;
The supply voltage corresponding with described humidity range and described temperature range is determined according to the current rotating speed of described compressor.
Alternatively, wherein determine that the supply voltage corresponding with described humidity range and described temperature range comprises according to the current rotating speed of described compressor:
Determine the range of speeds divided in advance belonging to the current rotating speed of described compressor;
The supply voltage corresponding with described humidity range and described temperature range is determined according to the described range of speeds.
Alternatively, wherein determine that the supply voltage of described cooling fan comprises according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor:
Determine the range of speeds divided in advance belonging to the current rotating speed of described compressor;
The supply voltage corresponding with the described range of speeds is determined with environment temperature according to described refrigerator current environment humidity.
Alternatively, wherein determine that the supply voltage corresponding with the described range of speeds comprises according to described refrigerator current environment humidity with environment temperature:
Determine the humidity range divided in advance belonging to described refrigerator current environment humidity;
The supply voltage corresponding with the described range of speeds and described humidity range is determined according to described refrigerator current environmental temperature.
Alternatively, wherein determine that the supply voltage corresponding with the described range of speeds and described humidity range comprises according to described refrigerator current environmental temperature:
According to described humidity range, determine the temperature range divided in advance belonging to described refrigerator current environmental temperature;
The supply voltage corresponding with the described range of speeds and described humidity range is determined according to described temperature range.
Alternatively, wherein before determining the supply voltage of described cooling fan according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor, also comprise:
Compressor rotary speed scope is divided in advance multiple ranges of speeds that rotating speed increases successively;
Ambient humidity range is divided in advance multiple humidity ranges that humidity increases successively;
Corresponding for ambient temperature range each humidity range is divided into respectively in advance multiple temperature ranges that temperature increases successively;
Set up the mapping relations between the supply voltage of described cooling fan and described humidity range, described humidity range and the described range of speeds.
Alternatively, compressor rotary speed scope is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, wherein the rotating speed of first range of speeds is less than the rotating speed of second range of speeds, the rotating speed of second range of speeds is less than the rotating speed of the 3rd range of speeds, and the rotating speed of the 3rd range of speeds is less than the rotating speed of the 4th range of speeds;
Ambient humidity range is divided in advance the first humidity range, the second humidity range, the 3rd humidity range, wherein the humidity of the first humidity range is less than the humidity of the second humidity range, and the humidity of the second humidity range is less than the humidity of the 3rd humidity range;
Ambient temperature range is divided in advance:
First temperature range corresponding with described first humidity range, the second temperature range, the 3rd temperature range, wherein the temperature of the first temperature range is less than the temperature of the second temperature range, and the temperature of the second temperature range is less than the temperature of the 3rd temperature range;
Four temperature range corresponding with described second humidity range, the 5th temperature range, the 6th temperature range, wherein the temperature of the 4th temperature range is less than the temperature of the 5th temperature range, and the temperature of the 5th temperature range is less than the temperature of the 6th temperature range; And
Seven temperature range corresponding with described 3rd humidity range, the 8th temperature range, the 9th temperature range, wherein the temperature of the 7th temperature range is less than the temperature of the 8th temperature range, and the temperature of the 8th temperature range is less than the temperature of the 9th temperature range.
Alternatively, wherein before determining the supply voltage of described cooling fan according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor, also comprise:
Obtain described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
According to a further aspect in the invention, providing a kind of refrigerator, comprising compressor and the cooling fan for dispelling the heat to described compressor; Described refrigerator also comprises:
Control device, is configured to the supply voltage determining described cooling fan according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
Alternatively, described refrigerator also comprises:
Range setting device, is configured to: compressor rotary speed scope is divided in advance multiple ranges of speeds that rotating speed increases successively; Ambient humidity range is divided in advance multiple humidity ranges that humidity increases successively; Corresponding for ambient temperature range each humidity range is divided into respectively in advance multiple temperature ranges that temperature increases successively; Set up the mapping relations between the supply voltage of described cooling fan and described humidity range, described humidity range and the described range of speeds; And
Ranges determination device, is configured to: determine the humidity range divided in advance belonging to described refrigerator current environment humidity; According to described humidity range, determine the temperature range divided in advance belonging to described refrigerator current environmental temperature; And the range of speeds divided in advance determining belonging to the current rotating speed of described compressor;
Described control device is configured to the supply voltage determining described cooling fan according to described humidity range, described temperature range and the described range of speeds further.
Alternatively, described range setting device is configured to further:
Compressor rotary speed scope is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, wherein the rotating speed of first range of speeds is less than the rotating speed of second range of speeds, the rotating speed of second range of speeds is less than the rotating speed of the 3rd range of speeds, and the rotating speed of the 3rd range of speeds is less than the rotating speed of the 4th range of speeds;
Ambient humidity range is divided in advance the first humidity range, the second humidity range, the 3rd humidity range, wherein the humidity of the first humidity range is less than the humidity of the second humidity range, and the humidity of the second humidity range is less than the humidity of the 3rd humidity range;
Ambient temperature range is divided in advance:
First temperature range corresponding with described first humidity range, the second temperature range, the 3rd temperature range, wherein the temperature of the first temperature range is less than the temperature of the second temperature range, and the temperature of the second temperature range is less than the temperature of the 3rd temperature range;
Four temperature range corresponding with described second humidity range, the 5th temperature range, the 6th temperature range, wherein the temperature of the 4th temperature range is less than the temperature of the 5th temperature range, and the temperature of the 5th temperature range is less than the temperature of the 6th temperature range; And
Seven temperature range corresponding with described 3rd humidity range, the 8th temperature range, the 9th temperature range, wherein the temperature of the 7th temperature range is less than the temperature of the 8th temperature range, and the temperature of the 8th temperature range is less than the temperature of the 9th temperature range.
Alternatively, described refrigerator also comprises:
Data acquisition facility, is configured to: obtain described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
Alternatively, described data acquisition module comprises the Temperature Humidity Sensor being arranged on described refrigerator outside.
The control method of the refrigerator according to the embodiment of the present invention and the cooling fan for freezer compressor, can according to refrigerator current environment humidity, environment temperature and the current rotating speed of compressor to the supply voltage of cooling fan in other words rotating speed control that (rotating speed due to cooling fan is along with the voltage of cooling fan changes, therefore, the rotating speed of cooling fan just can be controlled) by the voltage changing cooling fan, fixed rotating speed is utilized or the supply voltage to cooling fan controls by means of only refrigerator current environmental temperature and the current rotating speed of compressor compared to existing technology, the present invention is owing to considering the impact of ambient humidity on heat radiation, compressor heat radiation can be controlled more accurately, more energy-conservation when guarantee compressor radiating effect.
Contemplated by the invention the impact that different humidity and temperature are dispelled the heat on compressor, environmentally temperature humidity judges and regulates the most suitable supply voltage of cooling fan or rotating speed, and be compressor heat radiation better, favourable protects compressor; Reach energy-conservation effect simultaneously, greatly improve Consumer's Experience.
Control method of the present invention make compressor dispel the heat more, function of environment heat emission slow time, the rotating speed of cooling fan improves, and meets radiating requirements, when compressor heat radiation is less, function of environment heat emission is fast, the rotating speed of cooling fan reduces, and can meet radiating requirements, can reduce again energy consumption and reduce noise.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is according to an embodiment of the invention for the indicative flowchart of the control method of the cooling fan of freezer compressor;
Fig. 2 is in accordance with another embodiment of the present invention for the indicative flowchart of the control method of the cooling fan of freezer compressor;
Fig. 3 is in accordance with another embodiment of the present invention for the indicative flowchart of the control method of the cooling fan of freezer compressor;
Fig. 4 is in accordance with another embodiment of the present invention for the indicative flowchart of the control method of the cooling fan of freezer compressor;
Fig. 5 is the schematic block diagram of refrigerator in accordance with another embodiment of the present invention.
Detailed description of the invention
Present inventor finds, ambient humidity has a certain impact to rate of heat dispation; Present inventor further finds, when humidity is higher, rate of heat dispation is comparatively slow, needs higher rotation speed of fan; When humidity is lower, rate of heat dispation is very fast, needs lower rotation speed of fan.Thus, be used in the control method of the cooling fan of freezer compressor in the present invention, according to the supply voltage of refrigerator current environment humidity, environment temperature and compressor current rotating speed determination cooling fan.
According to the control method of the cooling fan for freezer compressor of the embodiment of the present invention, can according to refrigerator current environment humidity, environment temperature and the current rotating speed of compressor to the supply voltage of cooling fan in other words rotating speed control that (rotating speed due to cooling fan is along with the voltage of cooling fan changes, therefore, the rotating speed of cooling fan just can be controlled) by the voltage changing cooling fan, fixed rotating speed is utilized or the supply voltage to cooling fan controls by means of only refrigerator current environmental temperature and the current rotating speed of compressor compared to existing technology, the present invention is owing to considering the impact of ambient humidity on heat radiation, compressor heat radiation can be controlled more accurately, more energy-conservation when guarantee compressor radiating effect.
Fig. 1 is according to an embodiment of the invention for the indicative flowchart of the control method of the cooling fan of freezer compressor.As shown in Figure 1, control method comprises step S11 to step S12 according to an embodiment of the invention.
Step S11, determines the humidity range divided in advance belonging to refrigerator current environment humidity.
Step S12, determines the supply voltage corresponding with described humidity range according to the current rotating speed of refrigerator current environmental temperature and compressor.
In certain embodiments, need to be divided into by ambient humidity range in advance multiple humidity ranges that humidity increases successively before step S11.In a preferred embodiment, ambient humidity range is divided in advance the first humidity range, the second humidity range, the 3rd humidity range, wherein the humidity of the first humidity range is less than the humidity of the second humidity range, and the humidity of the second humidity range is less than the humidity of the 3rd humidity range.In the present embodiment, the range intervals of above-mentioned first humidity range, the second humidity range, the 3rd humidity range can be unequal, and the division of humidity range can set according to region residing for not isometric refrigerator and refrigerator, such as, can humidity range be divided thinner.In the particular embodiment, the scope of the relative humidity RH in this first humidity range, the second humidity range, the 3rd humidity range can be respectively: RH<40%, 40%≤RH≤75%, RH>75%.
In certain embodiments, also compressor rotary speed scope can be divided in advance multiple ranges of speeds that rotating speed increases successively before step S11.In a preferred embodiment, compressor rotary speed scope is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, wherein the rotating speed of first range of speeds is less than the rotating speed of second range of speeds, the rotating speed of second range of speeds is less than the rotating speed of the 3rd range of speeds, and the rotating speed of the 3rd range of speeds is less than the rotating speed of the 4th range of speeds.In the present embodiment, the range intervals of above-mentioned first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds can be unequal, and the division of the range of speeds can set according to region residing for not isometric refrigerator and refrigerator, such as, can the range of speeds be divided thinner.In the particular embodiment, the scope of the rotating speed N in this first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds can be respectively: N<1800rad/min, 1800rad/min≤N≤3000rad/min, 3000rad/min<N≤4000rad/min, N>4000rad/min.
In certain embodiments, also corresponding for ambient temperature range each humidity range can be divided into respectively in advance multiple temperature ranges that temperature increases successively before step S11.In certain embodiments, for each humidity range, ambient temperature range can be divided into respectively in advance three temperature ranges that temperature increases successively, in the present embodiment, the range intervals of above-mentioned three temperature ranges can be unequal, and the division of temperature range can set according to region residing for not isometric refrigerator and refrigerator, such as, can temperature range be divided thinner.
In a further embodiment, ambient temperature range can be divided in advance first temperature range corresponding with described first humidity range, the second temperature range, the 3rd temperature range, wherein the temperature of the first temperature range is less than the temperature of the second temperature range, and the temperature of the second temperature range is less than the temperature of the 3rd temperature range; Ambient temperature range is divided in advance four temperature range corresponding with described second humidity range, the 5th temperature range, the 6th temperature range, wherein the temperature of the 4th temperature range is less than the temperature of the 5th temperature range, and the temperature of the 5th temperature range is less than the temperature of the 6th temperature range; And ambient temperature range is divided into seven temperature range corresponding with described 3rd humidity range, the 8th temperature range, the 9th temperature range in advance, wherein the temperature of the 7th temperature range is less than the temperature of the 8th temperature range, and the temperature of the 8th temperature range is less than the temperature of the 9th temperature range.The above-mentioned temperature range divided for different humidity scope respectively can be identical, also can be different.Particularly, the temperature of the first temperature range, the second temperature range, the 3rd temperature range can be respectively: T<22 DEG C, 22 DEG C≤T≤35 DEG C, T>35 DEG C; The temperature of the 4th temperature range, the 5th temperature range, the 6th temperature range can be respectively: T<22 DEG C, 22 DEG C≤T≤35 DEG C, T>35 DEG C; The temperature of the 7th temperature range, the 8th temperature range, the 9th temperature range can be respectively: T<28 DEG C, 28 DEG C≤T≤35 DEG C, T>35 DEG C.
In certain embodiments, the mapping relations between the supply voltage of cooling fan and described humidity range, described humidity range and the described range of speeds are set up before step S11.
Table 1 is the mapping relations between the supply voltage U (unit: V) of the cooling fan of the preferred embodiment of the present invention and ambient temperature range, humidity range, the range of speeds.In Table 1, ambient humidity range is divided in advance the first humidity range, the second humidity range, the 3rd humidity range, the scope of the relative humidity RH in this first humidity range, the second humidity range, the 3rd humidity range can be respectively: RH<RH1, RH1≤RH≤RH2, RH>RH2, wherein RH1<RH2.Corresponding to the first humidity range (RH<RH1), ambient temperature range is divided in advance the first temperature range, the second temperature range, the 3rd temperature range, the scope of the temperature T in this first temperature range, the second temperature range, the 3rd temperature range can be respectively: T<T1, T1≤T≤T2, T>T2, wherein T1<T2.Corresponding to the second humidity range (RH1≤RH≤RH2), ambient temperature range is divided in advance the 4th temperature range, the 5th temperature range, the 6th temperature range, the scope of the temperature T in the 4th temperature range, the 5th temperature range, the 6th temperature range can be respectively: T<T3, T3≤T≤T4, T>T4, wherein T3<T4.Corresponding to the 3rd humidity range (RH>RH2), ambient temperature range is divided in advance the 7th temperature range, the 8th temperature range, the 9th temperature range, the scope of the temperature T in the 7th temperature range, the 8th temperature range, the 9th temperature range can be respectively: T<T5, T5≤T≤T6, T>T6, wherein T5<T6.The range of speeds is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, the scope of the rotating speed N in this first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds can be respectively: N<N1, N1≤N≤N2, N2<N≤N3, N>N3, wherein N1<N2<N3.
Table 1
In table 1, the supply voltage U of cooling fan can have 36 kinds of different values, and some values wherein also can be made identical.In addition, in Table 1, temperature T is higher, humidity RH is higher, compressor rotary speed N is higher, and the supply voltage of cooling fan is higher (rotating speed is larger); Environment temperature is lower, humidity is lower, compressor rotary speed is lower, and the supply voltage of cooling fan is lower (rotating speed is less).Particularly, for U1-U4, because temperature T is identical with humidity RH, and the compressor rotary speed N of correspondence increases gradually, therefore, generally, and U1≤U2≤U3≤U4.In like manner, generally, U5≤U6≤U7≤U8, U9≤U10≤U11≤U12, U13≤U14≤U15≤U16, U17≤U18≤U19≤U20, U21≤U22≤U23≤U24, U25≤U26≤U27≤U28, U29≤U30≤U31≤U32, U33≤U34≤U35≤U36.
For U1, U5, U9, because compressor rotary speed N is identical with humidity RH, and the temperature T of correspondence increases gradually, therefore, generally, and U1≤U5≤U9; In like manner, generally, U2≤U6≤U10, U3≤U7≤U11, U4≤U8≤U12, U13≤U17≤U21, U14≤U18≤U22, U15≤U19≤U23, U16≤U20≤U24, U25≤U29≤U33, U26≤U30≤U34, U27≤U31≤U35, U28≤U32≤U36.
For U1, U13, U25, it can be identical, is the minimum supply voltage of cooling fan.In further embodiments, when compressor rotary speed N and temperature T-phase with, along with humidity RH increases gradually, supply voltage U also increases.Therefore, generally, if T1=T3=T5, then U1≤U13≤U25.
In embodiments of the present invention, the concrete numerical value of RH1-RH2, T1-T6, N1-N3, U1-U36 can experimentally obtain.
Table 2 is the mapping relations between the supply voltage U (unit: V) of the cooling fan of one embodiment of the invention and ambient temperature range, humidity range, the range of speeds, wherein RH1-RH2, T1-T6, N1-N3, the U1-U36 in table 1 is all replaced by concrete numerical value.The control table of table 2 can control the refrigerator that volume is 216 liters.Wherein, "-" represents within the scope of the humidity and temperature of its correspondence, compressor not with the rotary speed working of correspondence, thus, without the need to being arranged on the supply voltage of the cooling fan under this operating mode.Such as, when humidity is less than 40%, when temperature is greater than 35 DEG C, compressor may not realize the refrigeration requirement of refrigerator with the rotary speed working of 1800rad/min, therefore, when humidity is less than 40%, when temperature is greater than 35 DEG C, compressor is not with the rotary speed working of 1800rad/min, and correspondingly, the supply voltage of the cooling fan in table 2 is "-".
According to the difference of refrigerator volume, can the supply voltage of cooling fan in his-and-hers watches 2 adjust accordingly.
Table 2
Table 3 is the mapping relations between the supply voltage U (unit: V) of the cooling fan of another embodiment of the present invention and ambient temperature range, humidity range, the range of speeds.In table 3, ambient humidity range is divided in advance the first humidity range (RH<30%), the second humidity range (30%≤RH≤60%), the 3rd humidity range (60%<RH≤85%), the 4th humidity range (85%<RH).Corresponding to each humidity range, ambient temperature range is divided in advance the first temperature range (T<20), the second temperature range (20≤T<28), the 3rd temperature range (28≤T<35), the 4th temperature range (35≤T<40), the 5th temperature range (40≤T).The range of speeds is divided in advance first range of speeds (N<1800), second range of speeds (1800≤N≤3000), the 3rd range of speeds (3000<N≤4000), the 4th range of speeds (4000<N).
Table 3
In further embodiments, also compressor rotary speed scope can be divided in advance multiple ranges of speeds that rotating speed increases successively before step S12; Corresponding for ambient temperature range each humidity range is divided into respectively in advance multiple temperature range and the supply voltage setting up cooling fan and the mapping relations between described humidity range, described humidity range and the described range of speeds that temperature increases successively.
In certain embodiments, step S12 can specifically comprise: according to described humidity range, determines the temperature range divided in advance belonging to refrigerator current environmental temperature; The supply voltage corresponding with described humidity range and described temperature range is determined according to the current rotating speed of compressor.In certain embodiments, determine that the supply voltage corresponding with described humidity range and described temperature range can specifically comprise according to the current rotating speed of compressor: determine the range of speeds divided in advance belonging to the current rotating speed of compressor; The supply voltage corresponding with described humidity range and described temperature range is determined according to the described range of speeds.
In further embodiments, step S12 can specifically comprise: determine the range of speeds divided in advance belonging to the current rotating speed of compressor; The supply voltage corresponding with described humidity range and the described range of speeds is determined according to refrigerator current environmental temperature.Further, determine that the supply voltage corresponding with described humidity range and the described range of speeds can specifically comprise according to refrigerator current environmental temperature: according to described humidity range, determine the temperature range divided in advance belonging to refrigerator current environmental temperature; The supply voltage corresponding with described humidity range and the described range of speeds is determined according to described temperature range.
Fig. 2 is according to an embodiment of the invention for the indicative flowchart of the control method of the cooling fan of freezer compressor.As shown in Figure 2, control method comprises according to an embodiment of the invention:
Step S11, determines the humidity range divided in advance belonging to refrigerator current environment humidity.
Step S121, according to described humidity range, determines the temperature range divided in advance belonging to refrigerator current environmental temperature.
Step S122, determines the range of speeds divided in advance belonging to the current rotating speed of compressor.
Step S123, determines the supply voltage corresponding with described humidity range and described temperature range according to the described range of speeds.
Step S123 also can be regarded as the range of speeds, described humidity range and described temperature range according to root and jointly determines the supply voltage of cooling fan.
Fig. 3 is in accordance with another embodiment of the present invention for the indicative flowchart of the control method of the cooling fan of freezer compressor.As shown in Figure 3, control method comprises step S21 to step S22 according to an embodiment of the invention.
Step S21, determines the range of speeds divided in advance belonging to the current rotating speed of compressor.
Step S22, determines the supply voltage corresponding with the described range of speeds according to refrigerator current environment humidity with environment temperature.
In certain embodiments, step S22 can specifically comprise: determine the humidity range divided in advance belonging to refrigerator current environment humidity; The supply voltage corresponding with the described range of speeds and described humidity range is determined according to refrigerator current environmental temperature.In certain embodiments, determine that the supply voltage corresponding with the described range of speeds and described humidity range can specifically comprise according to refrigerator current environmental temperature: according to described humidity range, determine the temperature range divided in advance belonging to refrigerator current environmental temperature; The supply voltage corresponding with the described range of speeds and described humidity range is determined according to described temperature range.
Fig. 4 is in accordance with another embodiment of the present invention for the indicative flowchart of the control method of the cooling fan of freezer compressor.As shown in Figure 4, control method comprises according to an embodiment of the invention:
Step S21, determines the range of speeds divided in advance belonging to the current rotating speed of compressor.
Step S221, determines the humidity range divided in advance belonging to refrigerator current environment humidity.
Step S222, according to described humidity range, determines the temperature range divided in advance belonging to refrigerator current environmental temperature.
Step S223, determines the supply voltage corresponding with the described range of speeds and described humidity range according to described temperature range.
Step S223 also can be regarded as the range of speeds, described humidity range and described temperature range according to root and jointly determines the supply voltage of cooling fan.
Control method of the present invention before according to the supply voltage of refrigerator current environment humidity, environment temperature and compressor current rotating speed determination cooling fan, also comprises: obtain refrigerator current environment humidity, environment temperature and the current rotating speed of compressor.Temperature Humidity Sensor can be utilized to gather the temperature and humidity of environment residing for refrigerator.Temperature Humidity Sensor also can be two separate temperature sensors and humidity sensor.The current rotating speed of compressor can be collected by the speed probe be arranged on compressor output shaft, or directly obtains from compressor controller.
In a specific embodiment, associative list 1, the control method according to the cooling fan for freezer compressor of the present invention can comprise: obtain refrigerator current environment humidity, environment temperature and the current rotating speed of compressor; The relatively size of current environment humidity and RH1 and RH2, determine the humidity range (step S11) belonging to current environment humidity according to table 1, such as current environment humidity is less than RH1, then judge that current environment humidity belongs to the first humidity range; Then compare the size of current environmental temperature and T1 and T2, determine the temperature range (step S121) belonging to current environmental temperature according to table 1, such as Current Temperatures is between T1 and T2, then judge that current environmental temperature belongs to the second temperature range; Finally compare the size of the current rotating speed of compressor and a, b and c, determine the range of speeds (step S122) belonging to the current rotating speed of compressor according to table 1, the current rotating speed of such as compressor is greater than c, then judge that the current rotating speed of compressor belongs to the 4th range of speeds; Determine that the supply voltage of the cooling fan in table 1 is U8 (step S123) according to the 4th range of speeds, the first humidity range and the second temperature range.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of refrigerator, and it can use the cooling fan of control method to refrigerator of the cooling fan for freezer compressor introduced to control above.
See Fig. 5, comprise compressor 400 and the cooling fan 600 for dispelling the heat to compressor 400 according to the refrigerator 10 of the embodiment of the present invention.Refrigerator 10 also comprises control device 500, is configured to the supply voltage according to refrigerator 10 current environment humidity, environment temperature and compressor 400 current rotating speed determination cooling fan 600.
According to the refrigerator 10 of the embodiment of the present invention, can control the supply voltage of cooling fan 600 or rotating speed according to refrigerator 10 current environment humidity, environment temperature and the current rotating speed of compressor 400, fixed rotating speed is utilized or the supply voltage to cooling fan 600 controls by means of only refrigerator 10 current environmental temperature and the current rotating speed of compressor 400 compared to existing technology, the present invention is owing to considering the impact of ambient humidity on heat radiation, compressor 400 can be controlled more accurately dispel the heat, more energy-conservation when guarantee compressor 400 radiating effect.
In certain embodiments, refrigerator 10 also comprises range setting device 200 and ranges determination device 300.Wherein range setting device 200, is configured to: compressor 400 range of speeds is divided in advance multiple ranges of speeds that rotating speed increases successively; Ambient humidity range is divided in advance multiple humidity ranges that humidity increases successively; Corresponding for ambient temperature range each humidity range is divided into respectively in advance multiple temperature ranges that temperature increases successively; Set up the mapping relations between the supply voltage of cooling fan 600 and described humidity range, described humidity range and the described range of speeds.
In a preferred embodiment, range setting device 200 can be configured to further: compressor 400 range of speeds is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, wherein the rotating speed of first range of speeds is less than the rotating speed of second range of speeds, the rotating speed of second range of speeds is less than the rotating speed of the 3rd range of speeds, and the rotating speed of the 3rd range of speeds is less than the rotating speed of the 4th range of speeds.Ambient humidity range can be divided into the first humidity range, the second humidity range, the 3rd humidity range by range setting device 200 further in advance, wherein the humidity of the first humidity range is less than the humidity of the second humidity range, and the humidity of the second humidity range is less than the humidity of the 3rd humidity range.Ambient temperature range is divided in advance: first temperature range corresponding with described first humidity range, the second temperature range, the 3rd temperature range, wherein the temperature of the first temperature range is less than the temperature of the second temperature range, and the temperature of the second temperature range is less than the temperature of the 3rd temperature range; Four temperature range corresponding with described second humidity range, the 5th temperature range, the 6th temperature range, wherein the temperature of the 4th temperature range is less than the temperature of the 5th temperature range, and the temperature of the 5th temperature range is less than the temperature of the 6th temperature range; And seven temperature range corresponding with described 3rd humidity range, the 8th temperature range, the 9th temperature range, wherein the temperature of the 7th temperature range is less than the temperature of the 8th temperature range, and the temperature of the 8th temperature range is less than the temperature of the 9th temperature range.
Ranges determination device 300 is configured to: determine the humidity range divided in advance belonging to refrigerator 10 current environment humidity; According to described humidity range, determine the temperature range divided in advance belonging to refrigerator 10 current environmental temperature; And the range of speeds divided in advance determining belonging to the current rotating speed of compressor 400.Control device 500 is configured to the supply voltage according to described humidity range, described temperature range, the described range of speeds and described mapping relations determination cooling fan 600 further.
Range setting device 200, ranges determination device 300 and control device 500 accessible site are in the master control borad of refrigerator 10.
In certain embodiments, refrigerator 10 also can comprise data acquisition facility 100, and it is configured to obtain refrigerator 10 current environment humidity, environment temperature and the current rotating speed of compressor 400.In these embodiments, data acquisition facility 100 can comprise the Temperature Humidity Sensor being arranged on refrigerator 10 outside, for gathering the temperature and humidity of refrigerator 10 external environment condition.Temperature Humidity Sensor also can be two separate temperature sensors and humidity sensor.Data acquisition facility 100 can comprise the speed probe be arranged on compressor 400 output shaft, for the current rotating speed of collect and process machine 400.In further embodiments, data acquisition facility 100 directly can obtain the current rotating speed of compressor 400 from compressor 400 controller.
Refrigerator 10 current environment humidity, environment temperature and the current rotating speed of compressor 400 that data acquisition facility 100 can be configured to be got are sent to ranges determination device 300; Ranges determination device 300 is according to presetting in range setting device 200, determine the humidity range divided in advance belonging to refrigerator 10 current environment humidity, the temperature range divided in advance belonging to refrigerator 10 current environmental temperature and the range of speeds divided in advance belonging to the current rotating speed of compressor 400, and be sent to control device 500; Control device 500, according to the mapping relations preset in described humidity range, described temperature range, the described range of speeds and range setting device 200, determines the supply voltage of cooling fan 600.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (15)
1., for a control method for the cooling fan of freezer compressor, comprising:
The supply voltage of described cooling fan is determined according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
2. control method according to claim 1, wherein determine that the supply voltage of described cooling fan comprises according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor:
Determine the humidity range divided in advance belonging to described refrigerator current environment humidity;
The supply voltage corresponding with described humidity range is determined with the current rotating speed of described compressor according to described refrigerator current environmental temperature.
3. control method according to claim 2, wherein determine that the supply voltage corresponding with described humidity range comprises according to described refrigerator current environmental temperature with the current rotating speed of described compressor:
According to described humidity range, determine the temperature range divided in advance belonging to described refrigerator current environmental temperature;
The supply voltage corresponding with described humidity range and described temperature range is determined according to the current rotating speed of described compressor.
4. control method according to claim 3, wherein determine that the supply voltage corresponding with described humidity range and described temperature range comprises according to the current rotating speed of described compressor:
Determine the range of speeds divided in advance belonging to the current rotating speed of described compressor;
The supply voltage corresponding with described humidity range and described temperature range is determined according to the described range of speeds.
5. control method according to claim 1, wherein determine that the supply voltage of described cooling fan comprises according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor:
Determine the range of speeds divided in advance belonging to the current rotating speed of described compressor;
The supply voltage corresponding with the described range of speeds is determined with environment temperature according to described refrigerator current environment humidity.
6. control method according to claim 5, wherein determine that the supply voltage corresponding with the described range of speeds comprises according to described refrigerator current environment humidity with environment temperature:
Determine the humidity range divided in advance belonging to described refrigerator current environment humidity;
The supply voltage corresponding with the described range of speeds and described humidity range is determined according to described refrigerator current environmental temperature.
7. control method according to claim 6, wherein determine that the supply voltage corresponding with the described range of speeds and described humidity range comprises according to described refrigerator current environmental temperature:
According to described humidity range, determine the temperature range divided in advance belonging to described refrigerator current environmental temperature;
The supply voltage corresponding with the described range of speeds and described humidity range is determined according to described temperature range.
8. control method according to claim 1, wherein before determining the supply voltage of described cooling fan according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor, also comprises:
Compressor rotary speed scope is divided in advance multiple ranges of speeds that rotating speed increases successively;
Ambient humidity range is divided in advance multiple humidity ranges that humidity increases successively;
Corresponding for ambient temperature range each humidity range is divided into respectively in advance multiple temperature ranges that temperature increases successively;
Set up the mapping relations between the supply voltage of described cooling fan and described humidity range, described humidity range and the described range of speeds.
9. control method according to claim 8, wherein
Compressor rotary speed scope is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, wherein the rotating speed of first range of speeds is less than the rotating speed of second range of speeds, the rotating speed of second range of speeds is less than the rotating speed of the 3rd range of speeds, and the rotating speed of the 3rd range of speeds is less than the rotating speed of the 4th range of speeds;
Ambient humidity range is divided in advance the first humidity range, the second humidity range, the 3rd humidity range, wherein the humidity of the first humidity range is less than the humidity of the second humidity range, and the humidity of the second humidity range is less than the humidity of the 3rd humidity range;
Ambient temperature range is divided in advance:
First temperature range corresponding with described first humidity range, the second temperature range, the 3rd temperature range, wherein the temperature of the first temperature range is less than the temperature of the second temperature range, and the temperature of the second temperature range is less than the temperature of the 3rd temperature range;
Four temperature range corresponding with described second humidity range, the 5th temperature range, the 6th temperature range, wherein the temperature of the 4th temperature range is less than the temperature of the 5th temperature range, and the temperature of the 5th temperature range is less than the temperature of the 6th temperature range; And
Seven temperature range corresponding with described 3rd humidity range, the 8th temperature range, the 9th temperature range, wherein the temperature of the 7th temperature range is less than the temperature of the 8th temperature range, and the temperature of the 8th temperature range is less than the temperature of the 9th temperature range.
10., according to control method according to claim 1, wherein before determining the supply voltage of described cooling fan according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor, also comprise:
Obtain described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
11. 1 kinds of refrigerators, comprise compressor and the cooling fan for dispelling the heat to described compressor; Described refrigerator also comprises:
Control device, is configured to the supply voltage determining described cooling fan according to described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
12. refrigerators according to claim 11, also comprise:
Range setting device, is configured to: compressor rotary speed scope is divided in advance multiple ranges of speeds that rotating speed increases successively; Ambient humidity range is divided in advance multiple humidity ranges that humidity increases successively; Corresponding for ambient temperature range each humidity range is divided into respectively in advance multiple temperature ranges that temperature increases successively; Set up the mapping relations between the supply voltage of described cooling fan and described humidity range, described humidity range and the described range of speeds; And
Ranges determination device, is configured to: determine the humidity range divided in advance belonging to described refrigerator current environment humidity; According to described humidity range, determine the temperature range divided in advance belonging to described refrigerator current environmental temperature; And the range of speeds divided in advance determining belonging to the current rotating speed of described compressor;
Described control device is configured to further: the supply voltage determining described cooling fan according to described humidity range, described temperature range, the described range of speeds and described mapping relations.
13. refrigerators according to claim 12, wherein said range setting device is configured to further:
Compressor rotary speed scope is divided in advance first range of speeds, second range of speeds, the 3rd range of speeds, the 4th range of speeds, wherein the rotating speed of first range of speeds is less than the rotating speed of second range of speeds, the rotating speed of second range of speeds is less than the rotating speed of the 3rd range of speeds, and the rotating speed of the 3rd range of speeds is less than the rotating speed of the 4th range of speeds;
Ambient humidity range is divided in advance the first humidity range, the second humidity range, the 3rd humidity range, wherein the humidity of the first humidity range is less than the humidity of the second humidity range, and the humidity of the second humidity range is less than the humidity of the 3rd humidity range;
Ambient temperature range is divided in advance:
First temperature range corresponding with described first humidity range, the second temperature range, the 3rd temperature range, wherein the temperature of the first temperature range is less than the temperature of the second temperature range, and the temperature of the second temperature range is less than the temperature of the 3rd temperature range;
Four temperature range corresponding with described second humidity range, the 5th temperature range, the 6th temperature range, wherein the temperature of the 4th temperature range is less than the temperature of the 5th temperature range, and the temperature of the 5th temperature range is less than the temperature of the 6th temperature range; And
Seven temperature range corresponding with described 3rd humidity range, the 8th temperature range, the 9th temperature range, wherein the temperature of the 7th temperature range is less than the temperature of the 8th temperature range, and the temperature of the 8th temperature range is less than the temperature of the 9th temperature range.
14. refrigerators according to claim 11, also comprise:
Data acquisition facility, is configured to: obtain described refrigerator current environment humidity, environment temperature and the current rotating speed of described compressor.
15. refrigerators according to claim 14, wherein
Described data acquisition facility comprises the Temperature Humidity Sensor being arranged on described refrigerator outside.
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| CN108444204A (en) * | 2018-04-08 | 2018-08-24 | 合肥美菱股份有限公司 | A kind of built-in refrigerator condensing heat-exchange control method |
| CN108826822A (en) * | 2018-06-15 | 2018-11-16 | 合肥美的电冰箱有限公司 | The control method and refrigerator of refrigerator |
| CN109708394A (en) * | 2018-12-06 | 2019-05-03 | 青岛海尔股份有限公司 | The control method and control system of cooling fan for refrigerator |
| CN109708391A (en) * | 2018-12-06 | 2019-05-03 | 青岛海尔股份有限公司 | The control method of cooling fan for refrigerator and adaptive adjustment circuit |
| CN113864218A (en) * | 2021-09-27 | 2021-12-31 | 北京热刺激光技术有限责任公司 | Speed regulation method, device and system for fan of wind-cooling optical fiber laser |
| WO2024002089A1 (en) * | 2022-06-30 | 2024-01-04 | 青岛海尔电冰箱有限公司 | Control method for refrigeration and freezing device and refrigeration and freezing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108444204A (en) * | 2018-04-08 | 2018-08-24 | 合肥美菱股份有限公司 | A kind of built-in refrigerator condensing heat-exchange control method |
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| CN109708394B (en) * | 2018-12-06 | 2020-10-30 | 青岛海尔股份有限公司 | Control method and control system for cooling fan of refrigerator |
| CN109708391B (en) * | 2018-12-06 | 2020-12-15 | 海尔智家股份有限公司 | Control method and self-adaptive adjusting circuit for cooling fan of refrigerator |
| CN113864218A (en) * | 2021-09-27 | 2021-12-31 | 北京热刺激光技术有限责任公司 | Speed regulation method, device and system for fan of wind-cooling optical fiber laser |
| WO2024002089A1 (en) * | 2022-06-30 | 2024-01-04 | 青岛海尔电冰箱有限公司 | Control method for refrigeration and freezing device and refrigeration and freezing device |
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