CN104913571B - The control method of frequency conversion refrigerator and frequency conversion refrigerator - Google Patents
The control method of frequency conversion refrigerator and frequency conversion refrigerator Download PDFInfo
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- CN104913571B CN104913571B CN201510358473.3A CN201510358473A CN104913571B CN 104913571 B CN104913571 B CN 104913571B CN 201510358473 A CN201510358473 A CN 201510358473A CN 104913571 B CN104913571 B CN 104913571B
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- 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 kind of frequency conversion refrigerator and the control method with it, the frequency conversion refrigerator includes：Multiple compartments are provided with casing, casing, multiple compartments include refrigerating chamber and refrigerating chamber；Chamber door；Compressor；The revolution detector being connected with compressor, the rotating speed to detect compressor；The temperature sensor of refrigerating chamber is arranged on, to detect the temperature in refrigerating chamber；Control panel, control panel is connected with compressor, revolution detector and temperature sensor respectively, temperature in the refrigerating chamber that control panel is detected after compressor continuously runs the first preset time according to temperature sensor obtains the temperature gap in refrigerating chamber in preset time threshold, and the interval rotating speed to compressor of rotating speed according to residing for the current rotating speed of temperature gap and compressor is controlled.The frequency conversion refrigerator solves traditional frequency conversion refrigerator the problem of the slow and energy consumption that cools caused by a certain rotating speed long-play increases, and refrigeration is relatively good, and refrigerating efficiency is higher.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of frequency conversion refrigerator and a kind of control of frequency conversion refrigerator
Method.
Background technology
In correlation technique, the control method to compressor rotary speed includes：According to the gear of setting and each chamber sense
Device temperature feedback mechanism, the change of compressor rotary speed is realized by control program；Fed back according to a certain rotating speed accumulated running time,
The change of compressor rotary speed is realized by control program.
Had the following disadvantages in above-mentioned control method：When compressor is run under a certain rotating speed, if frequency conversion refrigerator
Compartment temperature cooling rate is slow, and frequency conversion refrigerator cooling time under the rotating speed is long, and actual refrigeration is undesirable, then
There is harmful effect to the practical effect and power consumption of user；Pressure is adjusted by compressor accumulated running time feedback
The running speed of contracting machine has limitation, and can not be adjusted according to actual use situation, also can shadow to a certain extent
Ring service efficiency.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose that one kind can realize reasonable cooling, and greatly improves the frequency conversion refrigerator of refrigerating efficiency.
It is another object of the present invention to propose a kind of control method of frequency conversion refrigerator.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of frequency conversion refrigerator, including：Casing, the case
Multiple compartments are provided with vivo, and the multiple compartment includes refrigerating chamber and refrigerating chamber；Chamber door, the chamber door is arranged on the casing
On；Compressor；The revolution detector being connected with the compressor, the rotating speed to detect the compressor；It is arranged on described cold
Freeze the temperature sensor of room, to detect the temperature in the refrigerating chamber；And control panel, the control panel respectively with the pressure
Contracting machine, the revolution detector are connected with the temperature sensor, and continuously operation first is pre- in the compressor for the control panel
If the temperature in the refrigerating chamber detected after the time according to the temperature sensor obtains the freezing in preset time threshold
Indoor temperature gap, and the rotating speed according to residing for the current rotating speed of the temperature gap and the compressor is interval to the pressure
The rotating speed of contracting machine is controlled.
Frequency conversion refrigerator according to embodiments of the present invention, the rotating speed of compressor is detected by revolution detector, and passes through temperature
Temperature in sensor detection refrigerating chamber, control panel is examined after compressor continuously runs the first preset time according to temperature sensor
Temperature in the refrigerating chamber of survey obtains the temperature gap in preset time threshold in refrigerating chamber, and according to temperature gap and compressor
Current rotating speed residing for the interval rotating speed to compressor of rotating speed be controlled so that the refrigeration of frequency conversion refrigerator reaches most
It is good, the reasonable cooling of frequency conversion refrigerator is realized, refrigerating efficiency is greatly improved, frequency conversion refrigerator is effectively solved and is transported for a long time in a certain rotating speed
The problem of slow and energy consumption that cools caused by row increases, higher reliability and convenience are provided for the actual use of user,
The service life of frequency conversion refrigerator is improved simultaneously.
According to one embodiment of present invention, after the compressor continuously runs first preset time, if institute
The current rotating speed for stating compressor is less than or equal to the first preset rotation speed, and the control panel determines whether the temperature gap, its
In, when the temperature gap is more than or equal to the first temperature threshold, the control panel controls the rotating speed of the compressor to keep
It is constant；When the temperature gap is less than first temperature threshold and is more than or equal to second temperature threshold value, the control panel
The rotating speed gear of the compressor is controlled to rise one grade；When the temperature gap is less than the second temperature threshold value and is more than or waits
When three temperature thresholds, the control panel controls the rotating speed gear of the compressor to rise two grades；When the temperature gap is small
When three temperature threshold, the control panel controls the rotating speed gear of the compressor to rise third gear.
According to one embodiment of present invention, if the current rotating speed of the compressor be more than first preset rotation speed and
Less than or equal to the second preset rotation speed, the control panel determines whether the temperature gap, wherein, when the temperature gap is big
When first temperature threshold, the control panel controls the rotating speed of the compressor to keep constant；When the temperature
When difference is less than first temperature threshold and is more than or equal to the second temperature threshold value, the control panel controls the compression
The rotating speed gear of machine rises one grade；When the temperature gap is less than the second temperature threshold value, the control panel control is described
The rotating speed gear of compressor rises two grades.
According to one embodiment of present invention, if the current rotating speed of the compressor be more than second preset rotation speed and
Less than or equal to the 3rd preset rotation speed, the control panel determines whether the temperature gap, wherein, when the temperature gap is big
When first temperature threshold, the control panel controls the rotating speed of the compressor to keep constant；When the temperature
When difference is less than first temperature threshold, the control panel controls the rotating speed gear of the compressor to rise one grade.
In some embodiments of the invention, it is described if the current rotating speed of the compressor is more than the 3rd preset rotation speed
Control panel controls the rotating speed of the compressor to keep constant.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of control method of frequency conversion refrigerator, described
Frequency conversion refrigerator includes refrigerating chamber and compressor, and the control method comprises the following steps：The rotating speed of the compressor is detected, and is examined
The temperature surveyed in the refrigerating chamber；After the compressor continuously the first preset time of operation, according to the temperature in the refrigerating chamber
Degree obtains the temperature gap in the refrigerating chamber in preset time threshold；And according to the temperature gap and the compressor
The interval rotating speed to the compressor of rotating speed residing for current rotating speed is controlled.
The control method of frequency conversion refrigerator according to embodiments of the present invention, detects the rotating speed of compressor first, and detects freezing
Indoor temperature, then after compressor continuously runs the first preset time, preset time is obtained according to the temperature in refrigerating chamber
Temperature gap in threshold value in refrigerating chamber, and the rotating speed according to residing for the current rotating speed of temperature gap and compressor are interval to pressure
The rotating speed of contracting machine is controlled, so that the refrigeration of frequency conversion refrigerator reaches most preferably, realizes the reasonable cooling of frequency conversion refrigerator, significantly
Refrigerating efficiency is improved, frequency conversion refrigerator is effectively solved in the slow and energy consumption increase that cools caused by a certain rotating speed long-play
The problem of, higher reliability and convenience are provided for the actual use of user, while improving the service life of frequency conversion refrigerator.
According to one embodiment of present invention, turning according to residing for the current rotating speed of the temperature gap and the compressor
The fast interval rotating speed to the compressor is controlled, and is specifically included：Judge the current rotating speed of the compressor；If the pressure
The current rotating speed of contracting machine is less than or equal to the first preset rotation speed, determines whether the temperature gap；When the temperature gap is big
When the first temperature threshold, the rotating speed of the compressor is controlled to keep constant；When the temperature gap is less than described the
One temperature threshold and during more than or equal to second temperature threshold value, controls the rotating speed gear of the compressor to rise one grade；When described
When temperature gap is less than the second temperature threshold value and is more than or equal to three temperature thresholds, the rotating speed shelves of the compressor are controlled
Position rises two grades；When the temperature gap is less than three temperature threshold, the rotating speed gear of the compressor is controlled to rise
Third gear.
According to one embodiment of present invention, turning according to residing for the current rotating speed of the temperature gap and the compressor
The fast interval rotating speed to the compressor is controlled, in addition to：If the current rotating speed of the compressor is more than described first
Preset rotation speed and less than or equal to the second preset rotation speed, determines whether the temperature gap；Be more than when the temperature gap or
During equal to first temperature threshold, the rotating speed of the compressor is controlled to keep constant；When the temperature gap is less than described the
One temperature threshold and during more than or equal to the second temperature threshold value, controls the rotating speed gear of the compressor to rise one grade；When
When the temperature gap is less than the second temperature threshold value, the rotating speed gear of the compressor is controlled to rise two grades.
According to one embodiment of present invention, turning according to residing for the current rotating speed of the temperature gap and the compressor
The fast interval rotating speed to the compressor is controlled, in addition to：If the current rotating speed of the compressor is more than described second
Preset rotation speed and less than or equal to the 3rd preset rotation speed, determines whether the temperature gap；Be more than when the temperature gap or
During equal to first temperature threshold, the rotating speed of the compressor is controlled to keep constant；When the temperature gap is less than described the
During one temperature threshold, the rotating speed gear of the compressor is controlled to rise one grade.
In some embodiments of the invention, if the current rotating speed of the compressor is more than the 3rd preset rotation speed, control
The rotating speed of the compressor keeps constant.
Brief description of the drawings
Fig. 1 is the block diagram of frequency conversion refrigerator according to embodiments 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 embodiments of the present invention.
Reference：Compressor 10, revolution detector 20, temperature sensor 30 and control panel 40.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The controlling party of the frequency conversion refrigerator and frequency conversion refrigerator proposed according to embodiments of the present invention described with reference to the accompanying drawings
Method.
Fig. 1 is the block diagram of frequency conversion refrigerator according to an embodiment of the invention.As shown in figure 1, the frequency conversion refrigerator
Including：Casing (not specifically illustrated in figure), chamber door (not specifically illustrated in figure), compressor 10, revolution detector 20, TEMP
Device 30 and control panel 40.
Wherein, multiple compartments are provided with casing, multiple compartments include refrigerating chamber and refrigerating chamber, and chamber door is arranged on casing
On.Revolution detector 20 is connected with compressor 10, the rotating speed to detect compressor 10.Temperature sensor 30 is arranged on freezing
Room, to detect the temperature in refrigerating chamber.Control panel 40 respectively with compressor 10, revolution detector 20 and the phase of temperature sensor 30
Even, the temperature in refrigerating chamber that control panel 40 is detected after compressor 10 continuously the first preset time of operation according to temperature sensor 30
Degree obtains the temperature gap in refrigerating chamber in preset time threshold, and according to residing for the current rotating speed of temperature gap and compressor 10
The interval rotating speed to compressor 10 of rotating speed be controlled.
Wherein, the first preset time and preset time threshold can be demarcated according to actual conditions.
Briefly, after compressor 10 continuously operation a period of time, the preset time threshold that control panel 40 passes through acquisition
Temperature gap in interior refrigerating chamber judges effect that compressor 10 is freezed with current rotating speed, if for example, what is obtained is pre-
If the temperature gap in time threshold in refrigerating chamber is smaller, then it represents that the cooling rate of frequency conversion refrigerator is slow, compressor 10
Refrigeration is undesirable, and now rotating speed of the control panel 40 according to residing for the current rotating speed of temperature gap and compressor 10 is interval to pressure
The rotating speed of contracting machine 10 is controlled, so that the refrigeration of compressor 10 reaches most preferably.
According to one embodiment of present invention, after continuously the first preset time of operation of compressor 10, if compressor 10
Current rotating speed be less than or equal to the first preset rotation speed, control panel 40 determines whether temperature gap, wherein, when temperature gap is big
When the first temperature threshold, the rotating speed of the control compressor 10 of control panel 40 keeps constant；When temperature gap is less than first
Temperature threshold and more than or equal to second temperature threshold value when, control panel 40 control compressor 10 rotating speed gear rise one grade；When
When temperature gap is less than second temperature threshold value and is more than or equal to three temperature thresholds, control panel 40 controls the rotating speed of compressor 10
Gear rises two grades；When temperature gap is less than three temperature thresholds, the rotating speed gear of the control compressor 10 of control panel 40 rises
Third gear.
Wherein, the first preset rotation speed, the first temperature threshold, second temperature threshold value and the 3rd temperature threshold can be according to reality
Situation is demarcated, for example, the first preset rotation speed can be 2700rps, the first temperature threshold can be 1 DEG C, second temperature threshold
Value 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 be more than the first preset rotation speed and be less than or
Equal to the second preset rotation speed, control panel 40 determines whether temperature gap, wherein, when temperature gap is more than or equal to the first temperature
During threshold value, the rotating speed of the control compressor 10 of control panel 40 keeps constant；When temperature gap be less than the first temperature threshold and be more than or
During equal to second temperature threshold value, the rotating speed gear of the control compressor 10 of control panel 40 rises one grade；When temperature gap is less than second
During temperature threshold, the rotating speed gear of the control compressor 10 of control panel 40 rises two grades.
Wherein, the second preset rotation speed can be demarcated according to actual conditions, for example, the second preset rotation speed can be
3200rps。
According to one embodiment of present invention, if the current rotating speed of compressor 10 be more than the second preset rotation speed and be less than or
Equal to the 3rd preset rotation speed, control panel 40 determines whether temperature gap, wherein, when temperature gap is more than or equal to the first temperature
During threshold value, the rotating speed of the control compressor 10 of control panel 40 keeps constant；When temperature gap is less than the first temperature threshold, control panel
The rotating speed gear of 40 control compressors 10 rises one grade.
Wherein, the 3rd preset rotation speed can be demarcated according to actual conditions, for example, the 3rd preset rotation speed can be
3700rps。
In some embodiments of the invention, if the current rotating speed of compressor 10 is more than the 3rd preset rotation speed, control panel
The rotating speed of 40 control compressors 10 keeps constant.
Specifically, as shown in Fig. 2 the control process of control panel 40 comprises the following steps：
S101, compressor operating.
S102, judges whether compressor continuously runs the first preset time such as 90min.If it is, performing step S103；Such as
It is really no, return to step S101.
S103, judges the current rotating speed Z of compressor.If Z ＞ 3700rps, step S104 is performed；If
3200rps ＜ Z≤3700rps, perform step S105；If 2700rps ＜ Z≤3200rps, step S108 is performed；If Z≤
2700rps, performs step S112.
S104, rotating speed keeps constant.
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 1 DEG C of Δ T ＜, step S107 is performed.
S106, rotating speed keeps constant.
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 1 DEG C of 0.5 DEG C≤Δ T ＜, step S110 is performed；If 0.5 DEG C of Δ T ＜, step S111 is performed.
S109, rotating speed keeps constant.
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 1 DEG C of 0.5 DEG C≤Δ T ＜, step S114 is performed；If 0.5 DEG C of 0 DEG C≤Δ T ＜, step S115 is performed；Such as
0 DEG C of fruit Δ T ＜, perform step S116.
S113, rotating speed keeps constant.
S114, rotating speed gear rises one grade.
S115, rotating speed gear rises two grades.
S116, rotating speed gear rises third gear.
As can be seen from Figure 2, in frequency conversion refrigerator process of refrigerastion, detect whether the continuous operating time of compressor 10 exceedes first
First preset time, if the continuous operating time of compressor 10 is more than the first preset time, control panel 40 is according to compressor
The temperature gap of rotating speed interval residing for 10 current rotating speed and the refrigerating chamber in the preset time threshold of detection is to compressor
10 rotating speed is adjusted, so that compressor is for a long time with cooling caused by the operation of a certain rotating speed effectively in solution frequency conversion refrigerator
The problem of slow and energy consumption increases, realizes the reasonable cooling of frequency conversion refrigerator, greatly improves refrigerating efficiency, be the actual use of user
The higher reliability of offer and convenience.
Frequency conversion refrigerator according to embodiments of the present invention, the rotating speed of compressor is detected by revolution detector, and passes through temperature
Temperature in sensor detection refrigerating chamber, control panel is examined after compressor continuously runs the first preset time according to temperature sensor
Temperature in the refrigerating chamber of survey obtains the temperature gap in preset time threshold in refrigerating chamber, and according to temperature gap and compressor
Current rotating speed residing for the interval rotating speed to compressor of rotating speed be controlled so that the refrigeration of frequency conversion refrigerator reaches most
It is good, the reasonable cooling of frequency conversion refrigerator is realized, refrigerating efficiency is greatly improved, frequency conversion refrigerator is effectively solved and is transported for a long time in a certain rotating speed
The problem of slow and energy consumption that cools caused by row increases, higher reliability and convenience are provided for the actual use of user,
The service life of frequency conversion refrigerator is improved simultaneously.
Fig. 3 is the flow chart of the control method of frequency conversion refrigerator according to embodiments of the present invention, wherein, frequency conversion refrigerator includes cold
Freeze room 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.
For example, the rotating speed of compressor can be obtained by revolution detector, obtained by temperature sensor in refrigerating chamber
Temperature.
S2, after compressor continuously runs the first preset time, preset time threshold is obtained according to the temperature in refrigerating chamber
Temperature gap in interior refrigerating chamber.
S3, the interval rotating speed to compressor of rotating speed according to residing for the current rotating speed of temperature gap and compressor is controlled
System.
Briefly, after compressor continuously runs a period of time, by refrigerating chamber in the preset time threshold of acquisition
Temperature gap judge effect that compressor is freezed with current rotating speed, if for example, in the preset time threshold obtained
Temperature gap in refrigerating chamber is smaller, then it represents that the cooling rate of frequency conversion refrigerator is slow, and the refrigeration of compressor is undesirable,
The interval rotating speed to compressor of rotating speed now according to residing for the current rotating speed of temperature gap and compressor is controlled, so that pressure
The refrigeration of contracting machine reaches most preferably.
According to one embodiment of present invention, the rotating speed interval according to residing for the current rotating speed of temperature gap and compressor is right
The rotating speed of compressor is controlled, and is specifically included：Judge the current rotating speed of compressor；If the current rotating speed of compressor be less than or
Equal to the first preset rotation speed, temperature gap is determined whether；When temperature gap is more than or equal to the first temperature threshold, control pressure
The rotating speed of contracting machine keeps constant；When temperature gap is less than the first temperature threshold and is more than or equal to second temperature threshold value, control
The rotating speed gear of compressor rises one grade；When temperature gap is less than second temperature threshold value and more than or equal to the 3rd temperature threshold
When, the rotating speed gear of control compressor rises two grades；When temperature gap is less than three temperature thresholds, the rotating speed of compressor is controlled
Gear rises third gear.
Wherein, the first preset rotation speed can be 2700rps, and the first temperature threshold can be 1 DEG C, and second temperature threshold value can be with
For 0.5 DEG C, the 3rd temperature threshold can be 0 DEG C.
According to one embodiment of present invention, the rotating speed interval according to residing for the current rotating speed of temperature gap and compressor is right
The rotating speed of compressor is controlled, in addition to：If the current rotating speed of compressor is more than the first preset rotation speed and is less than or equal to
Second preset rotation speed, determines whether temperature gap；When temperature gap is more than or equal to the first temperature threshold, compressor is controlled
Rotating speed keep it is constant；When temperature gap is less than the first temperature threshold and is more than or equal to second temperature threshold value, control compression
The rotating speed gear of machine rises one grade；When temperature gap is less than second temperature threshold value, the rotating speed gear of control compressor rises two
Shelves.
Wherein, the second preset rotation speed can be 3200rps.
According to one embodiment of present invention, the rotating speed interval according to residing for the current rotating speed of temperature gap and compressor is right
The rotating speed of compressor is controlled, in addition to：If the current rotating speed of compressor is more than the second preset rotation speed and is less than or equal to
3rd preset rotation speed, determines whether temperature gap；When temperature gap is more than or equal to the first temperature threshold, compressor is controlled
Rotating speed keep it is constant；When temperature gap is less than the first temperature threshold, the rotating speed gear of control 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 more than the 3rd preset rotation speed, control compression
The rotating speed of machine keeps constant.
Specifically, as shown in Fig. 2 after compressor operating 90min, starting to judge the current rotating speed Z of compressor.
If Z ＞ 3700rps, the rotating speed of compressor keeps constant.If 3200rps ＜ Z≤3700rps, are needed to preset time
The temperature gap Δ T of refrigerating chamber in threshold value judged, wherein, if Δ T >=1 DEG C, the rotating speed of compressor keeps constant；
If 1 DEG C of Δ T ＜, the rotating speed gear of compressor rises one grade.If 2700rps ＜ Z≤3200rps, also need to default
The temperature gap Δ T of refrigerating chamber in time threshold judged, wherein, if Δ T >=1 DEG C, the rotating speed of compressor is kept
It is constant；If 1 DEG C of 0.5 DEG C≤Δ T ＜, the rotating speed gear of compressor rises one grade；If 0.5 DEG C of Δ T ＜, compressor
Rotating speed gear rises two grades.If Z≤2700rps, also need to enter the temperature gap Δ T of the refrigerating chamber in preset time threshold
Row judgement, wherein, if Δ T >=1 DEG C, the rotating speed of compressor keeps constant；If 1 DEG C of 0.5 DEG C≤Δ T ＜, compressor
Rotating speed gear rise one grade；If 0.5 DEG C of 0 DEG C≤Δ T ＜, the rotating speed gear of compressor rises two grades；If Δ T ＜ 0
DEG C, then the rotating speed gear of compressor rises third gear.
As can be seen from Figure 2, in frequency conversion refrigerator process of refrigerastion, detect the continuous operating time of compressor whether more than the first
One preset time, if the continuous operating time of compressor is more than the first preset time, according to the current rotating speed institute of compressor
The temperature gap of the rotating speed interval at place and the refrigerating chamber in the preset time threshold of detection is adjusted to the rotating speed of compressor,
It is slow and energy consumption increase with cooling caused by the operation of a certain rotating speed for a long time so as to effectively solve compressor in frequency conversion refrigerator
Problem, realizes the reasonable cooling of frequency conversion refrigerator, greatly improves refrigerating efficiency, and higher reliability is provided for the actual use of user
And convenience.
The control method of frequency conversion refrigerator according to embodiments of the present invention, detects the rotating speed of compressor first, and detects freezing
Indoor temperature, then after compressor continuously runs the first preset time, preset time is obtained according to the temperature in refrigerating chamber
Temperature gap in threshold value in refrigerating chamber, and the rotating speed according to residing for the current rotating speed of temperature gap and compressor are interval to pressure
The rotating speed of contracting machine is controlled, so that the refrigeration of frequency conversion refrigerator reaches most preferably, realizes the reasonable cooling of frequency conversion refrigerator, significantly
Refrigerating efficiency is improved, frequency conversion refrigerator is effectively solved in the slow and energy consumption increase that cools caused by a certain rotating speed long-play
The problem of, higher reliability and convenience are provided for the actual use of user, while improving the service life of frequency conversion refrigerator.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of frequency conversion refrigerator, it is characterised in that including：
Multiple compartments are provided with casing, the casing, the multiple compartment includes refrigerating chamber and refrigerating chamber；
Chamber door, the chamber door is arranged on the casing；
Compressor；
The revolution detector being connected with the compressor, the rotating speed to detect the compressor；
The temperature sensor of the refrigerating chamber is arranged on, to detect the temperature in the refrigerating chamber；And
Control panel, the control panel is connected with the compressor, the revolution detector and the temperature sensor respectively, described
In the refrigerating chamber that control panel is detected after the compressor continuously the first preset time of operation according to the temperature sensor
Temperature obtain temperature gap in preset time threshold in the refrigerating chamber, and according to the temperature gap and the compressor
Current rotating speed residing for the interval rotating speed to the compressor of rotating speed be controlled.
2. frequency conversion refrigerator as claimed in claim 1, it is characterised in that when the compressor, which continuously runs described first, to be preset
Between after, if the current rotating speed of the compressor is less than or equal to the first preset rotation speed, the control panel determines whether described
Temperature gap, wherein,
When the temperature gap is more than or equal to the first temperature threshold, the control panel controls the rotating speed of the compressor to keep
It is constant；
When the temperature gap is less than first temperature threshold and is more than or equal to second temperature threshold value, the control panel control
The rotating speed gear for making the compressor rises one grade；
When the temperature gap is less than the second temperature threshold value and is more than or equal to three temperature thresholds, the control panel control
The rotating speed gear for making the compressor rises two grades；
When the temperature gap is less than three temperature threshold, the control panel is controlled on the rotating speed gear of the compressor
Rise third gear.
3. frequency conversion refrigerator as claimed in claim 2, it is characterised in that if the current rotating speed of the compressor is more than described the
One preset rotation speed and less than or equal to the second preset rotation speed, the control panel determines whether the temperature gap, wherein,
When the temperature gap is more than or equal to first temperature threshold, the control panel controls the rotating speed of the compressor
Keep constant；
When the temperature gap is less than first temperature threshold and is more than or equal to the second temperature threshold value, the control
Plate controls the rotating speed gear of the compressor to rise one grade；
When the temperature gap is less than the second temperature threshold value, the control panel is controlled on the rotating speed gear of the compressor
Rise two grades.
4. frequency conversion refrigerator as claimed in claim 3, it is characterised in that if the current rotating speed of the compressor is more than described the
Two preset rotation speeds and less than or equal to the 3rd preset rotation speed, the control panel determines whether the temperature gap, wherein,
When the temperature gap is more than or equal to first temperature threshold, the control panel controls the rotating speed of the compressor
Keep constant；
When the temperature gap is less than first temperature threshold, the control panel is controlled on the rotating speed gear of the compressor
Rise one grade.
5. the frequency conversion refrigerator as any one of claim 1-4, it is characterised in that if the current rotating speed of the compressor
More than the 3rd preset rotation speed, the control panel controls the rotating speed of the compressor to keep constant.
6. a kind of control method of frequency conversion refrigerator, it is characterised in that the frequency conversion refrigerator includes refrigerating chamber and compressor, the control
Method processed comprises the following steps：
The rotating speed of the compressor is detected, and detects the temperature in the refrigerating chamber；
After the compressor continuously the first preset time of operation, preset time threshold is obtained according to the temperature in the refrigerating chamber
Temperature gap in the interior refrigerating chamber；And
The interval rotating speed to the compressor of rotating speed according to residing for the current rotating speed of the temperature gap and the compressor enters
Row control.
7. the control method of frequency conversion refrigerator as claimed in claim 6, it is characterised in that according to the temperature gap and the pressure
The interval rotating speed to the compressor of rotating speed residing for the current rotating speed of contracting machine is controlled, and is specifically included：
Judge the current rotating speed of the compressor；
If the current rotating speed of the compressor is less than or equal to the first preset rotation speed, the temperature gap is determined whether；
When the temperature gap is more than or equal to the first temperature threshold, the rotating speed of the compressor is controlled to keep constant；
When the temperature gap is less than first temperature threshold and is more than or equal to second temperature threshold value, the compression is controlled
The rotating speed gear of machine rises one grade；
When the temperature gap is less than the second temperature threshold value and is more than or equal to three temperature thresholds, the compression is controlled
The rotating speed gear of machine rises two grades；
When the temperature gap is less than three temperature threshold, the rotating speed gear of the compressor is controlled to rise third gear.
8. the control method of frequency conversion refrigerator as claimed in claim 7, it is characterised in that according to the temperature gap and the pressure
The interval rotating speed to the compressor of rotating speed residing for the current rotating speed of contracting machine is controlled, in addition to：
If the current rotating speed of the compressor is more than first preset rotation speed and less than or equal to the second preset rotation speed, enter one
Step judges the temperature gap；
When the temperature gap is more than or equal to first temperature threshold, the rotating speed of the compressor is controlled to keep constant；
When the temperature gap is less than first temperature threshold and is more than or equal to the second temperature threshold value, control is described
The rotating speed gear of compressor rises one grade；
When the temperature gap is less than the second temperature threshold value, the rotating speed gear of the compressor is controlled to rise two grades.
9. the control method of frequency conversion refrigerator as claimed in claim 8, it is characterised in that according to the temperature gap and the pressure
The interval rotating speed to the compressor of rotating speed residing for the current rotating speed of contracting machine is controlled, in addition to：
If the current rotating speed of the compressor is more than second preset rotation speed and less than or equal to the 3rd preset rotation speed, enter one
Step judges the temperature gap；
When the temperature gap is more than or equal to first temperature threshold, the rotating speed of the compressor is controlled to keep constant；
When the temperature gap is less than first temperature threshold, the rotating speed gear of the compressor is controlled to rise one grade.
10. the control method of the frequency conversion refrigerator as any one of claim 6-9, it is characterised in that if the compression
The current rotating speed of machine is more than the 3rd preset rotation speed, controls the rotating speed of the compressor to keep constant.
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| CN201510358473.3A CN104913571B (en) | 2015-06-25 | 2015-06-25 | The control method of frequency conversion refrigerator and frequency conversion refrigerator |
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| CN201510358473.3A CN104913571B (en) | 2015-06-25 | 2015-06-25 | The control method of frequency conversion refrigerator and frequency conversion refrigerator |
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| CN104913571B true CN104913571B (en) | 2017-09-19 |
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