CN104913571A - Variable frequency refrigerator and control method thereof - Google Patents
Variable frequency refrigerator and control method thereof Download PDFInfo
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- CN104913571A CN104913571A CN201510358473.3A CN201510358473A CN104913571A CN 104913571 A CN104913571 A CN 104913571A CN 201510358473 A CN201510358473 A CN 201510358473A CN 104913571 A CN104913571 A CN 104913571A
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- rotating speed
- compressor
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- temperature gap
- control panel
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- 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
- F25D2600/00—Control issues
- F25D2600/02—Timing
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a variable frequency refrigerator and a control method comprising same, wherein the variable frequency refrigerator comprises a a refrigerator body; a plurality of chambers are set inside the refrigerator body; each of the plurality of chambers comprises a refrigerating chamber and a freezing chamber; the variable frequency refrigerator also comprises a refrigerator door, a compressor, a rotation speed detector that is connected to the compressor and that is used for detecting the rotation speed of the compressor, a temperature sensor that is set inside the freezing chamber and that is used for detecting the temperature inside the freezing chamber and a control panel; the control panel is respectively connected to the compressor, the rotation speed detector and the temperature sensor; after the compressor is continuously running at the first preset time, the temperature difference inside the freezing chamber within the preset time threshold value is obtained by the control panel according to the the temperature inside the freezing chamber detected by the temperature sensor; the rotation speed of the compressor is controlled according to the temperature difference and the current rotation speed of the compressor within the rotation speed range; the problems of slow temperature reduction and increasing energy consumption due to long time running of a traditional refrigerator at a certain rotation speed are solved; the refrigeration effect is better; and the refrigeration efficiency is higher.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly the control method of a kind of frequency conversion refrigerator and a kind of frequency conversion refrigerator.
Background technology
In correlation technique, the control method of compressor rotary speed is comprised: according to gear and each the interior sensor temperature feedback mechanism of setting, realized the change of compressor rotary speed by control program; Feed back according to a certain rotating speed accumulated running time, realized the change of compressor rotary speed by control program.
Following shortcoming is there is: when compressor runs under a certain rotating speed in above-mentioned control method, if frequency conversion refrigerator compartment temperature cooling rate is slow, frequency conversion refrigerator cooling time under this rotating speed is long, and actual refrigeration is undesirable, then harmful effect is existed to the practical effect of user and power consumption; The running speed being adjusted compressor by compressor accumulated running time feedback has limitation, and cannot adjust according to actual service condition, also can affect service efficiency to a certain extent.
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 that proposing one can realize reasonable cooling, and greatly improves the frequency conversion refrigerator of refrigerating efficiency.
Another object of the present invention is the control method proposing a kind of frequency conversion refrigerator.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of frequency conversion refrigerator, comprising: casing, is provided with multiple rooms in described casing, and described multiple rooms comprise refrigerating chamber and refrigerating chamber; Chamber door, described chamber door is arranged on described casing; Compressor; The revolution detector be connected with described compressor, in order to detect the rotating speed of described compressor; Be arranged on the temperature sensor of described refrigerating chamber, in order to detect the temperature in described refrigerating chamber; And control panel, described control panel is connected with described temperature sensor with described compressor, described revolution detector respectively, temperature in the described refrigerating chamber that described control panel detects according to described temperature sensor after described compressor runs the first Preset Time continuously obtains the temperature gap in preset time threshold in described refrigerating chamber, and the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor.
According to the frequency conversion refrigerator of the embodiment of the present invention, the rotating speed of compressor is detected by revolution detector, and detect the temperature in refrigerating chamber by temperature sensor, control panel obtains the temperature gap in preset time threshold in refrigerating chamber according to the temperature in the refrigerating chamber of temperature sensor detection after compressor runs the first Preset Time continuously, and the rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, reach best to make the refrigeration of frequency conversion refrigerator, realize the reasonable cooling of frequency conversion refrigerator, greatly improve refrigerating efficiency, the cooling that effective solution frequency conversion refrigerator causes at a certain rotating speed long-play slowly and the problem that increases of energy consumption, for the actual use of user provides higher reliability and convenience, improve the service life of frequency conversion refrigerator simultaneously.
According to one embodiment of present invention, after described compressor runs described first Preset Time continuously, if the current rotating speed of described compressor is less than or equal to the first preset rotation speed, described control panel judges described temperature gap further, wherein, when described temperature gap is more than or equal to the first temperature threshold, the rotating speed that described control panel controls described compressor remains unchanged; When described temperature gap is less than described first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear that described control panel controls described compressor rises one grade; When described temperature gap is less than described second temperature threshold and is more than or equal to the 3rd temperature threshold, the rotating speed gear that described control panel controls described compressor rises two grades; When described temperature gap is less than described 3rd temperature threshold, described control panel controls the rotating speed gear rising third gear of described compressor.
According to one embodiment of present invention, if the current rotating speed of described compressor is greater than described first preset rotation speed and is less than or equal to the second preset rotation speed, described control panel judges described temperature gap further, wherein, when described temperature gap is more than or equal to described first temperature threshold, the rotating speed that described control panel controls described compressor remains unchanged; When described temperature gap is less than described first temperature threshold and is more than or equal to described second temperature threshold, the rotating speed gear that described control panel controls described compressor rises one grade; When described temperature gap is less than described second temperature threshold, the rotating speed gear that described control panel controls described compressor rises two grades.
According to one embodiment of present invention, if the current rotating speed of described compressor is greater than described second preset rotation speed and be less than or equal to the 3rd preset rotation speed, described control panel judges described temperature gap further, wherein, when described temperature gap is more than or equal to described first temperature threshold, the rotating speed that described control panel controls described compressor remains unchanged; When described temperature gap is less than described first temperature threshold, the rotating speed gear that described control panel controls described compressor rises one grade.
In some embodiments of the invention, if the current rotating speed of described compressor is greater than the 3rd preset rotation speed, the rotating speed that described control panel controls described compressor remains unchanged.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of control method of frequency conversion refrigerator, described frequency conversion refrigerator comprises refrigerating chamber and compressor, and described control method comprises the following steps: the rotating speed detecting described compressor, and detects the temperature in described refrigerating chamber; After described compressor runs the first Preset Time continuously, obtain the temperature gap in preset time threshold in described refrigerating chamber according to the temperature in described refrigerating chamber; And the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor.
According to the control method of the frequency conversion refrigerator of the embodiment of the present invention, first the rotating speed of compressor is detected, and the temperature detected in refrigerating chamber, then after compressor runs the first Preset Time continuously, the temperature gap in preset time threshold in refrigerating chamber is obtained according to the temperature in refrigerating chamber, and the rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, reach best to make the refrigeration of frequency conversion refrigerator, realize the reasonable cooling of frequency conversion refrigerator, greatly improve refrigerating efficiency, the cooling that effective solution frequency conversion refrigerator causes at a certain rotating speed long-play slowly and the problem that increases of energy consumption, for the actual use of user provides higher reliability and convenience, improve the service life of frequency conversion refrigerator simultaneously.
According to one embodiment of present invention, the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor, specifically comprises: the current rotating speed judging described compressor; If the current rotating speed of described compressor is less than or equal to the first preset rotation speed, judge described temperature gap further; When described temperature gap is more than or equal to the first temperature threshold, the rotating speed controlling described compressor remains unchanged; When described temperature gap is less than described first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear controlling described compressor rises one grade; When described temperature gap is less than described second temperature threshold and is more than or equal to the 3rd temperature threshold, the rotating speed gear controlling described compressor rises two grades; When described temperature gap is less than described 3rd temperature threshold, control the rotating speed gear rising third gear of described compressor.
According to one embodiment of present invention, rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor, also comprise: if the current rotating speed of described compressor is greater than described first preset rotation speed and is less than or equal to the second preset rotation speed, judge described temperature gap further; When described temperature gap is more than or equal to described first temperature threshold, the rotating speed controlling described compressor remains unchanged; When described temperature gap is less than described first temperature threshold and is more than or equal to described second temperature threshold, the rotating speed gear controlling described compressor rises one grade; When described temperature gap is less than described second temperature threshold, the rotating speed gear controlling described compressor rises two grades.
According to one embodiment of present invention, rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor, also comprise: if the current rotating speed of described compressor is greater than described second preset rotation speed and be less than or equal to the 3rd preset rotation speed, judge described temperature gap further; When described temperature gap is more than or equal to described first temperature threshold, the rotating speed controlling described compressor remains unchanged; When described temperature gap is less than described first temperature threshold, the rotating speed gear controlling described compressor rises one grade.
In some embodiments of the invention, if the current rotating speed of described compressor is greater than the 3rd preset rotation speed, the rotating speed controlling described compressor remains unchanged.
Accompanying drawing explanation
Fig. 1 is the block diagram of the frequency conversion refrigerator according to the embodiment of the present invention.
Fig. 2 is the control flow chart of control panel in frequency conversion refrigerator according to an embodiment of the invention.
Fig. 3 is the flow chart of the control method of frequency conversion refrigerator according to the embodiment of the present invention.
Reference numeral: compressor 10, revolution detector 20, temperature sensor 30 and control panel 40.
Detailed description of the invention
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.
The control method of frequency conversion refrigerator and the frequency conversion refrigerator proposed according to the embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of frequency conversion refrigerator according to an embodiment of the invention.As shown in Figure 1, this frequency conversion refrigerator comprises: casing (not specifically illustrating in figure), chamber door (not specifically illustrating in figure), compressor 10, revolution detector 20, temperature sensor 30 and control panel 40.
Wherein, be provided with multiple rooms in casing, multiple rooms comprise refrigerating chamber and refrigerating chamber, and chamber door is arranged on casing.Revolution detector 20 is connected with compressor 10, in order to detect the rotating speed of compressor 10.Temperature sensor 30 is arranged on refrigerating chamber, in order to detect the temperature in refrigerating chamber.Control panel 40 is connected with temperature sensor 30 with compressor 10, revolution detector 20 respectively, temperature in the refrigerating chamber that control panel 40 detects according to temperature sensor 30 after compressor 10 continuously runs the first Preset Time obtains the temperature gap in preset time threshold in refrigerating chamber, and the rotating speed interval residing for the current rotating speed of temperature gap and compressor 10 controls the rotating speed of compressor 10.
Wherein, the first Preset Time and preset time threshold can be demarcated according to actual conditions.
Briefly, after compressor 10 runs a period of time continuously, by the temperature gap in refrigerating chamber in the preset time threshold of acquisition, control panel 40 judges that compressor 10 carries out the effect of freezing with current rotating speed, such as, if the temperature gap in the preset time threshold obtained in refrigerating chamber is smaller, then represent that the cooling rate of frequency conversion refrigerator is slow, the refrigeration of compressor 10 is undesirable, now the rotating speed interval of control panel 40 residing for the current rotating speed of temperature gap and compressor 10 controls the rotating speed of compressor 10, reach best to make the refrigeration of compressor 10.
According to one embodiment of present invention, after compressor 10 runs the first Preset Time continuously, if the current rotating speed of compressor 10 is less than or equal to the first preset rotation speed, control panel 40 judges temperature gap further, wherein, when temperature gap is more than or equal to the first temperature threshold, the rotating speed that control panel 40 controls compressor 10 remains unchanged; When temperature gap is less than the first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear that control panel 40 controls compressor 10 rises one grade; When temperature gap is less than the second temperature threshold and is more than or equal to the 3rd temperature threshold, the rotating speed gear that control panel 40 controls compressor 10 rises two grades; When temperature gap is less than the 3rd temperature threshold, control panel 40 controls the rotating speed gear rising third gear of compressor 10.
Wherein, first preset rotation speed, the first temperature threshold, the second temperature threshold and the 3rd temperature threshold can be demarcated according to actual conditions, such as, first preset rotation speed can be 2700rps, first temperature threshold can be 1 DEG C, second temperature threshold can be 0.5 DEG C, and the 3rd temperature threshold can be 0 DEG C.
According to one embodiment of present invention, if the current rotating speed of compressor 10 is greater than the first preset rotation speed and is less than or equal to the second preset rotation speed, control panel 40 judges temperature gap further, wherein, when temperature gap is more than or equal to the first temperature threshold, the rotating speed that control panel 40 controls compressor 10 remains unchanged; When temperature gap is less than the first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear that control panel 40 controls compressor 10 rises one grade; When temperature gap is less than the second temperature threshold, the rotating speed gear that control panel 40 controls compressor 10 rises two grades.
Wherein, the second preset rotation speed can be demarcated according to actual conditions, and such as, the second preset rotation speed can be 3200rps.
According to one embodiment of present invention, if the current rotating speed of compressor 10 is greater than the second preset rotation speed and be less than or equal to the 3rd preset rotation speed, control panel 40 judges temperature gap further, wherein, when temperature gap is more than or equal to the first temperature threshold, the rotating speed that control panel 40 controls compressor 10 remains unchanged; When temperature gap is less than the first temperature threshold, the rotating speed gear that control panel 40 controls compressor 10 rises one grade.
Wherein, the 3rd preset rotation speed can be demarcated according to actual conditions, and such as, the 3rd preset rotation speed can be 3700rps.
In some embodiments of the invention, if the current rotating speed of compressor 10 is greater than the 3rd preset rotation speed, the rotating speed that control panel 40 controls compressor 10 remains unchanged.
Particularly, as shown in Figure 2, the control procedure of control panel 40 comprises the following steps:
S101, compressor operating.
S102, judges whether compressor runs the first Preset Time continuously as 90min.If so, step S103 is performed; If not, step S101 is returned.
S103, judges the current rotating speed Z of compressor.If Z > is 3700rps, perform step S104; If 3200rps < is Z≤3700rps, perform step S105; If 2700rps < is Z≤3200rps, perform step S108; If Z≤2700rps, perform step S112.
S104, rotating speed remains unchanged.
S105, judges the temperature gap Δ T of the refrigerating chamber in preset time threshold.If Δ T >=1 DEG C, perform step S106; If Δ T < 1 DEG C, perform step S107.
S106, rotating speed remains unchanged.
S107, rotating speed gear rises one grade.
S108, judges the temperature gap Δ T of the refrigerating chamber in preset time threshold.If Δ T >=1 DEG C, perform step S109; If 0.5 DEG C≤Δ T < 1 DEG C, perform step S110; If Δ T < 0.5 DEG C, perform step S111.
S109, rotating speed remains unchanged.
S110, rotating speed gear rises one grade.
S111, rotating speed gear rises two grades.
S112, judges the temperature gap Δ T of the refrigerating chamber in preset time threshold.If Δ T >=1 DEG C, perform step S113; If 0.5 DEG C≤Δ T < 1 DEG C, perform step S114; If 0 DEG C≤Δ T < 0.5 DEG C, perform step S115; If Δ T < 0 DEG C, perform step S116.
S113, rotating speed remains unchanged.
S114, rotating speed gear rises one grade.
S115, rotating speed gear rises two grades.
S116, rotating speed gear rising third gear.
As can be seen from Figure 2, in frequency conversion refrigerator process of refrigerastion, first whether the continuous operating time of compressor 10 is detected more than the first Preset Time, if the continuous operating time of compressor 10 is more than the first Preset Time, the rotating speed of temperature gap to compressor 10 of the refrigerating chamber then in the interval and preset time threshold that detects of the rotating speed of control panel 40 residing for the current rotating speed of compressor 10 adjusts, thus the problem that the cooling that in effective solution frequency conversion refrigerator, compressor causes with a certain rotating speed operation is for a long time slow and energy consumption increases, realize the reasonable cooling of frequency conversion refrigerator, greatly improve refrigerating efficiency, for the actual use of user provides higher reliability and convenience.
According to the frequency conversion refrigerator of the embodiment of the present invention, the rotating speed of compressor is detected by revolution detector, and detect the temperature in refrigerating chamber by temperature sensor, control panel obtains the temperature gap in preset time threshold in refrigerating chamber according to the temperature in the refrigerating chamber of temperature sensor detection after compressor runs the first Preset Time continuously, and the rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, reach best to make the refrigeration of frequency conversion refrigerator, realize the reasonable cooling of frequency conversion refrigerator, greatly improve refrigerating efficiency, the cooling that effective solution frequency conversion refrigerator causes at a certain rotating speed long-play slowly and the problem that increases of energy consumption, for the actual use of user provides higher reliability and convenience, improve the service life of frequency conversion refrigerator simultaneously.
Fig. 3 is the flow chart of the control method of frequency conversion refrigerator according to the embodiment of the present invention, and wherein, frequency conversion refrigerator comprises refrigerating chamber and compressor.
As shown in Figure 3, the control method of frequency conversion refrigerator comprises the following steps:
S1, detects the rotating speed of compressor, and detects the temperature in refrigerating chamber.
Such as, the rotating speed of compressor can be obtained by revolution detector, obtain the temperature in refrigerating chamber by temperature sensor.
S2, after compressor runs the first Preset Time continuously, obtains the temperature gap in preset time threshold in refrigerating chamber according to the temperature in refrigerating chamber.
S3, the rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor.
Briefly, after compressor runs a period of time continuously, judge that compressor carries out the effect of freezing with current rotating speed by the temperature gap in refrigerating chamber in the preset time threshold of acquisition, such as, if the temperature gap in the preset time threshold obtained in refrigerating chamber is smaller, then represent that the cooling rate of frequency conversion refrigerator is slow, the refrigeration of compressor is undesirable, rotating speed interval now residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, reaches best to make the refrigeration of compressor.
According to one embodiment of present invention, the rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, specifically comprises: the current rotating speed judging compressor; If the current rotating speed of compressor is less than or equal to the first preset rotation speed, judge temperature gap further; When temperature gap is more than or equal to the first temperature threshold, the rotating speed controlling compressor remains unchanged; When temperature gap is less than the first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear controlling compressor rises one grade; When temperature gap is less than the second temperature threshold and is more than or equal to the 3rd temperature threshold, the rotating speed gear controlling compressor rises two grades; When temperature gap is less than the 3rd temperature threshold, control the rotating speed gear rising third gear of compressor.
Wherein, the first preset rotation speed can be 2700rps, and the first temperature threshold can be 1 DEG C, and the second temperature threshold can be 0.5 DEG C, and the 3rd temperature threshold can be 0 DEG C.
According to one embodiment of present invention, rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, also comprise: if the current rotating speed of compressor is greater than the first preset rotation speed and is less than or equal to the second preset rotation speed, judge temperature gap further; When temperature gap is more than or equal to the first temperature threshold, the rotating speed controlling compressor remains unchanged; When temperature gap is less than the first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear controlling compressor rises one grade; When temperature gap is less than the second temperature threshold, the rotating speed gear controlling compressor rises two grades.
Wherein, the second preset rotation speed can be 3200rps.
According to one embodiment of present invention, rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, also comprise: if the current rotating speed of compressor is greater than the second preset rotation speed and be less than or equal to the 3rd preset rotation speed, judge temperature gap further; When temperature gap is more than or equal to the first temperature threshold, the rotating speed controlling compressor remains unchanged; When temperature gap is less than the first temperature threshold, the rotating speed gear controlling compressor rises one grade.
Wherein, the 3rd preset rotation speed can be 3700rps.
In some embodiments of the invention, if the current rotating speed of compressor is greater than the 3rd preset rotation speed, the rotating speed controlling compressor remains unchanged.
Particularly, as shown in Figure 2, after compressor operating 90min, start to judge the current rotating speed Z of compressor.If Z > is 3700rps, then the rotating speed of compressor remains unchanged.If 3200rps < is Z≤3700rps, then need to judge the temperature gap Δ T of the refrigerating chamber in preset time threshold, wherein, if Δ T >=1 DEG C, then the rotating speed of compressor remains unchanged; If Δ T < 1 DEG C, then the rotating speed gear of compressor rises one grade.If 2700rps < is Z≤3200rps, then also need to judge the temperature gap Δ T of the refrigerating chamber in preset time threshold, wherein, if Δ T >=1 DEG C, then the rotating speed of compressor remains unchanged; If 0.5 DEG C≤Δ T < 1 DEG C, then the rotating speed gear of compressor rises one grade; If Δ T < 0.5 DEG C, then the rotating speed gear of compressor rises two grades.If Z≤2700rps, then also need to judge the temperature gap Δ T of the refrigerating chamber in preset time threshold, wherein, if Δ T >=1 DEG C, then the rotating speed of compressor remains unchanged; If 0.5 DEG C≤Δ T < 1 DEG C, then the rotating speed gear of compressor rises one grade; If 0 DEG C≤Δ T < 0.5 DEG C, then the rotating speed gear of compressor rises two grades; If Δ T < 0 DEG C, then the rotating speed gear rising third gear of compressor.
As can be seen from Figure 2, in frequency conversion refrigerator process of refrigerastion, first whether the continuous operating time of compressor is detected more than the first Preset Time, if the continuous operating time of compressor is more than the first Preset Time, the rotating speed of temperature gap to compressor of the refrigerating chamber in the interval and preset time threshold that detects of rotating speed then residing for the current rotating speed of compressor adjusts, thus the problem that the cooling that in effective solution frequency conversion refrigerator, compressor causes with a certain rotating speed operation is for a long time slow and energy consumption increases, realize the reasonable cooling of frequency conversion refrigerator, greatly improve refrigerating efficiency, for the actual use of user provides higher reliability and convenience.
According to the control method of the frequency conversion refrigerator of the embodiment of the present invention, first the rotating speed of compressor is detected, and the temperature detected in refrigerating chamber, then after compressor runs the first Preset Time continuously, the temperature gap in preset time threshold in refrigerating chamber is obtained according to the temperature in refrigerating chamber, and the rotating speed interval residing for the current rotating speed of temperature gap and compressor controls the rotating speed of compressor, reach best to make the refrigeration of frequency conversion refrigerator, realize the reasonable cooling of frequency conversion refrigerator, greatly improve refrigerating efficiency, the cooling that effective solution frequency conversion refrigerator causes at a certain rotating speed long-play slowly and the problem that increases of energy consumption, for the actual use of user provides higher reliability and convenience, improve the service life of frequency conversion refrigerator simultaneously.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
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 characteristic.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.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, 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 description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
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 (10)
1. a frequency conversion refrigerator, is characterized in that, comprising:
Casing, is provided with multiple rooms in described casing, described multiple rooms comprise refrigerating chamber and refrigerating chamber;
Chamber door, described chamber door is arranged on described casing;
Compressor;
The revolution detector be connected with described compressor, in order to detect the rotating speed of described compressor;
Be arranged on the temperature sensor of described refrigerating chamber, in order to detect the temperature in described refrigerating chamber; And
Control panel, described control panel is connected with described temperature sensor with described compressor, described revolution detector respectively, temperature in the described refrigerating chamber that described control panel detects according to described temperature sensor after described compressor runs the first Preset Time continuously obtains the temperature gap in preset time threshold in described refrigerating chamber, and the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor.
2. frequency conversion refrigerator as claimed in claim 1, is characterized in that, after described compressor runs described first Preset Time continuously, if the current rotating speed of described compressor is less than or equal to the first preset rotation speed, described control panel judges described temperature gap further, wherein
When described temperature gap is more than or equal to the first temperature threshold, the rotating speed that described control panel controls described compressor remains unchanged;
When described temperature gap is less than described first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear that described control panel controls described compressor rises one grade;
When described temperature gap is less than described second temperature threshold and is more than or equal to the 3rd temperature threshold, the rotating speed gear that described control panel controls described compressor rises two grades;
When described temperature gap is less than described 3rd temperature threshold, described control panel controls the rotating speed gear rising third gear of described compressor.
3. frequency conversion refrigerator as claimed in claim 2, it is characterized in that, if the current rotating speed of described compressor is greater than described first preset rotation speed and is less than or equal to the second preset rotation speed, described control panel judges described temperature gap further, wherein,
When described temperature gap is more than or equal to described first temperature threshold, the rotating speed that described control panel controls described compressor remains unchanged;
When described temperature gap is less than described first temperature threshold and is more than or equal to described second temperature threshold, the rotating speed gear that described control panel controls described compressor rises one grade;
When described temperature gap is less than described second temperature threshold, the rotating speed gear that described control panel controls described compressor rises two grades.
4. frequency conversion refrigerator as claimed in claim 3, it is characterized in that, if the current rotating speed of described compressor is greater than described second preset rotation speed and be less than or equal to the 3rd preset rotation speed, described control panel judges described temperature gap further, wherein,
When described temperature gap is more than or equal to described first temperature threshold, the rotating speed that described control panel controls described compressor remains unchanged;
When described temperature gap is less than described first temperature threshold, the rotating speed gear that described control panel controls described compressor rises one grade.
5. the frequency conversion refrigerator according to any one of claim 1-4, is characterized in that, if the current rotating speed of described compressor is greater than the 3rd preset rotation speed, the rotating speed that described control panel controls described compressor remains unchanged.
6. a control method for frequency conversion refrigerator, is characterized in that, described frequency conversion refrigerator comprises refrigerating chamber and compressor, and described control method comprises the following steps:
Detect the rotating speed of described compressor, and detect the temperature in described refrigerating chamber;
After described compressor runs the first Preset Time continuously, obtain the temperature gap in preset time threshold in described refrigerating chamber according to the temperature in described refrigerating chamber; And
Rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor.
7. the control method of frequency conversion refrigerator as claimed in claim 6, is characterized in that, the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor, specifically comprises:
Judge the current rotating speed of described compressor;
If the current rotating speed of described compressor is less than or equal to the first preset rotation speed, judge described temperature gap further;
When described temperature gap is more than or equal to the first temperature threshold, the rotating speed controlling described compressor remains unchanged;
When described temperature gap is less than described first temperature threshold and is more than or equal to the second temperature threshold, the rotating speed gear controlling described compressor rises one grade;
When described temperature gap is less than described second temperature threshold and is more than or equal to the 3rd temperature threshold, the rotating speed gear controlling described compressor rises two grades;
When described temperature gap is less than described 3rd temperature threshold, control the rotating speed gear rising third gear of described compressor.
8. the control method of frequency conversion refrigerator as claimed in claim 7, is characterized in that, the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor, also comprises:
If the current rotating speed of described compressor is greater than described first preset rotation speed and is less than or equal to the second preset rotation speed, judge described temperature gap further;
When described temperature gap is more than or equal to described first temperature threshold, the rotating speed controlling described compressor remains unchanged;
When described temperature gap is less than described first temperature threshold and is more than or equal to described second temperature threshold, the rotating speed gear controlling described compressor rises one grade;
When described temperature gap is less than described second temperature threshold, the rotating speed gear controlling described compressor rises two grades.
9. the control method of frequency conversion refrigerator as claimed in claim 8, is characterized in that, the rotating speed interval residing for the current rotating speed of described temperature gap and described compressor controls the rotating speed of described compressor, also comprises:
If the current rotating speed of described compressor is greater than described second preset rotation speed and be less than or equal to the 3rd preset rotation speed, judge described temperature gap further;
When described temperature gap is more than or equal to described first temperature threshold, the rotating speed controlling described compressor remains unchanged;
When described temperature gap is less than described first temperature threshold, the rotating speed gear controlling described compressor rises one grade.
10. the control method of the frequency conversion refrigerator according to any one of claim 6-9, is characterized in that, if the current rotating speed of described compressor is greater than the 3rd preset rotation speed, the rotating speed controlling described compressor remains unchanged.
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