CN1304023A - Contral method of variable frequency refrigerator - Google Patents
Contral method of variable frequency refrigerator Download PDFInfo
- Publication number
- CN1304023A CN1304023A CN 00110830 CN00110830A CN1304023A CN 1304023 A CN1304023 A CN 1304023A CN 00110830 CN00110830 CN 00110830 CN 00110830 A CN00110830 A CN 00110830A CN 1304023 A CN1304023 A CN 1304023A
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- CN
- China
- Prior art keywords
- compressor
- temperature
- refrigerator
- max
- speed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/28—Quick cooling
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A control method for frequency conversion refrigerator is characterized by that according to the different temp. state in the refrigerator, it can control rotating speed and frequency of compressor to make correspondent change so as to implement the goal of saving energy source. After the refrigerator is powered on it can control compressor to use maximum rotating speed to implement quick refrigeration to quickly drop temp. in the refrigerator, and after the refrigerator is started, it can determine the rotating speed of compressor according to the concrete temp. in the refrigerator so as to save energy source.
Description
The invention belongs to the control technology of refrigerator; Be specifically related to the refrigerator frequency conversion control technique.
The fixing rotating speed of the most employings of compressor for refrigeration at present, i.e. compressor starts work when the temperature in the refrigerator is higher than turn-on temperature, compressor shutdown when temperature is lower than shutoff temperature; But the rotating speed of compressor is fixed in the working time.So relatively waste energy, result of use is undesirable.
The objective of the invention is, for address the above problem provide a kind of can be according to the temperature difference in the refrigerator, the control compressor rotary speed; Energy savings, refrigeration rapidly, the control method of the variable frequency refrigerator that is user-friendly to.
For achieving the above object, the present invention is the control method of such a kind of variable frequency refrigerator of realizing,
(1). the control program of compressor for refrigeration variable frequency starting is deposited in the program storage of master chip of this refrigerator;
(2). to the refrigerator energising, start refrigerator, this refrigerator is pressed master chip contents of program executable operations;
(3). with the internal temperature of refrigerator with turn-on temperature T
OnBe benchmark, the increasing degree t in every interval sets up a temperature section, up to greater than a fixing maximum temperature point T
MaxTill, i.e. (T
On, T
On+ t), (T
On+ t, T
On+ 2t) ..., (T
On+ (m-1) t, T
On+ mt), (T
On+ mt, T
Max), (T
Max,+∞); The working speed of the corresponding compressor of each temperature section, promptly N1, N2, N3 ..., N
Max,
(4). when refrigerator was switched on, master chip read in the refrigerator internal temperature values T of temperature sensor, and relatively whether this internal temperature values T is greater than the shutoff temperature T of compressor
Off
If then the working speed N of compressor equals maximum (top) speed N
Max, and repeat above-mentioned step content;
If not, compressor shutdown then;
(5). master chip reads in the refrigerator internal temperature values T of temperature sensor, and relatively whether this temperature value T is greater than the shutoff temperature T of compressor
Off,
If not, then compressor continues to shut down, and repeats above-mentioned step content;
If then descend step;
(6). relatively whether this internal temperature values T is at the shutoff temperature T of compressor
OffTurn-on temperature T with compressor
OnBetween,
If then compressor keeps current state, and repeat since the 5th step;
If not, then descend step;
(7). relatively this internal temperature values T whether in first temperature section,
If not, then descend step;
If judge that then current compressor operating rotational speed N is whether greater than the compressor operating rotational speed N 2 of second temperature section correspondence; If, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N 1 of this temperature section correspondence;
(8). relatively this internal temperature values T whether in another temperature section successively,
If not, then descend step;
If judge that then compressor work at present rotational speed N is whether greater than the compressor operating rotational speed N of the next temperature section of this step temperature section correspondence
M+1If, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N of this step temperature section correspondence
m
Analogize in proper order, judge each temperature section successively;
(9). relatively whether whether this internal temperature values T in the end in temperature section, promptly at T
On+ mt and maximum temperature T
MaxBetween;
If not, then the working speed of compressor equals maximum (top) speed N
Max
If judge then whether compressor work at present rotational speed N equals the maximum functional rotational speed N
MaxIf, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N of this temperature section correspondence
m
The above-mentioned compressor operating rotating speed corresponding with temperature section satisfy N1＜N2＜N3＜...＜N
Max, wherein the range of speeds is 1900rpm～4000rpm.
The above-mentioned compressor operating rotating speed corresponding with temperature section satisfies N2-N1=N3-N2=...=N
Max-N
m
Advantage of the present invention and good effect are that this method can be regulated the rotating speed of compressor automatically according to variation of temperature in the refrigerator; Real realization stepless speed regulation.It can use maximum rotating speed freeze rapidly at refrigerator energising back control compressor, and the temperature in the refrigerator is reduced rapidly, make the user when first the use or long-time outage back very convenient when using, the needs that satisfied the user are the demand of refrigeration rapidly.And after the refrigerator operate as normal, then can determine the rotating speed of compressor again according to temperature concrete in the casing, and saved the energy, satisfied user power saving, economical demand again.
Below in conjunction with accompanying drawing the present invention is described in further details.
Fig. 1 is the flow chart of control method of the present invention;
Fig. 2 is to use after one embodiment of the present of invention and uses the comparison diagram of preceding refrigerator power consumption.
As shown in Figure 1, a kind of control method of variable frequency refrigerator is compiled into this method the rotating speed of the compressor of program major control refrigerator according to block diagram shown in Figure 1.
(1). the control program of compressor for refrigeration variable frequency starting is deposited in the program storage of master chip of this refrigerator;
(2). to the refrigerator energising, start refrigerator, this refrigerator is pressed master chip contents of program executable operations;
(3). with the internal temperature of refrigerator with compressor turn-on temperature T
OnBe benchmark, the increasing degree t in every interval sets up a temperature section, up to greater than a fixing maximum temperature point T
MaxTill, i.e. (T
On, T
On+ t), (T
On+ t, T
On+ 2t) ..., (T
On+ (m-1) t, T
On+ mt), (T
On+ mt, T
Max), (T
Max,+∞); The working speed of the corresponding compressor of each temperature section, promptly N1, N2, N3 ..., N
Max
(4). when refrigerator was switched on, master chip read in the refrigerator internal temperature values T of temperature sensor, and relatively whether this internal temperature values T is greater than the shutoff temperature T of compressor
Off
If then the working speed N of compressor equals maximum (top) speed N
Max, and repeat above-mentioned step content;
If not, compressor shutdown then;
(5). master chip reads in the refrigerator internal temperature values T of temperature sensor, and relatively whether this temperature value T is greater than the shutoff temperature T of compressor
Off,
If not, then compressor continues to shut down, and repeats above-mentioned step content;
If then descend step;
(6). relatively whether this internal temperature values T is at the shutoff temperature T of compressor
OffTurn-on temperature T with compressor
OnBetween,
If then compressor keeps the work at present rotational speed N, and repeat since the 5th step;
If not, then descend step;
(7). relatively this internal temperature values T whether in first temperature section,
If not, then descend step;
If judge that then current compressor operating rotational speed N is whether greater than the compressor operating rotational speed N 2 of second temperature section correspondence; If, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N 1 of this temperature section correspondence;
(8). relatively this internal temperature values T whether in another temperature section successively,
If not, then descend step;
If judge that then compressor work at present rotational speed N is whether greater than the compressor operating rotational speed N of the next temperature section of this step temperature section correspondence
m+ 1; If, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N of this step temperature section correspondence
m
Analogize in proper order, judge each temperature section successively;
(9). relatively whether whether this internal temperature values T in the end in temperature section, promptly at T
On+ mt and maximum temperature T
MaxBetween;
If not, then the working speed of compressor equals maximum (top) speed N
Max
If judge then whether compressor work at present rotational speed N equals the maximum functional rotational speed N
MaxIf, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N of this temperature section correspondence
m
Temperature increasing degree t in this method is the working speed of more little control compressor that more can be careful; Energy-saving effect is good more; Maximum temperature point T
MaxThen be to use the temperature in zone different and different according to the difference of refrigerator volume, heat-insulation layer and refrigerator; Same reason compressor for refrigeration shutoff temperature and turn-on temperature T
OnAlso be different.It is high more that the compressor operating rotating speed corresponding with temperature section generally is that the high more then rotating speed of the temperature of temperature section requires, thus satisfy N1＜N2＜N3＜...＜N
MaxWherein according to the different maximum (top) speed differences that can realize of compressor, N normally at present
MaxBetween 1900rpm～4000rpm, present embodiment adopts 4000rpm.The compressor operating rotating speed corresponding with temperature section should be usually non-linear function but simple in order to relate to, control gets up easily it to be approximated to linearity, satisfies formula N2-N1=N3-N2=...=N
Max-N
m
Use the refrigerator of this method, compressor freezes rapidly below the shutoff temperature of refrigerator setting with the rotating speed of 4000 rpm when connecting power supply; Whether the temperature that detects in the casing of master chip is lower than turn-on temperature then, determines specifically to determine the startup rotating speed of compressor within which temperature section; Very obviously then freeze below shutoff temperature as if effect in the effect that detects refrigeration then with this rotating speed always; If the temperature in the bad casing of refrigeration is then selected high rotational speed for use in rising; If refrigeration generally then reduces rotating speed slowly; So so not only energy-saving effect is remarkable, refrigeration is convenient rapidly simultaneously uses, and can reach requirement.In use energy-saving effect is remarkable, as shown in Figure 2.
Claims (3)
1. the control method of a variable frequency refrigerator is characterized in that:
(1). the control program of compressor for refrigeration variable frequency starting is deposited in the program storage of master chip of this refrigerator;
(2). to the refrigerator energising, start refrigerator, this refrigerator is pressed master chip contents of program executable operations;
(3). with the internal temperature of refrigerator with compressor turn-on temperature T
OnBe benchmark, the increasing degree t in every interval sets up a temperature section, up to greater than a fixing maximum temperature point T
MaxTill, i.e. (T
On, T
On+ t), (T
On+ t, T
On+ 2t) ..., (T
On+ (m-l) t, T
On+ mt), (T
On+ mt, T
Max), (+∞, T
Max); The working speed of the corresponding compressor of each temperature section, promptly N1, N2, N3 ..., N
Max
(4). when refrigerator was switched on, master chip read in the refrigerator internal temperature values T of temperature sensor, and relatively whether this internal temperature values T is greater than the shutoff temperature T of compressor
Off
If then the working speed N of compressor equals maximum (top) speed N
Max, and repeat above-mentioned step content;
If not, compressor shutdown then;
(5). master chip reads in the refrigerator internal temperature values T of temperature sensor, and relatively whether this temperature value T is greater than the shutoff temperature T of compressor
Off,
If not, then compressor continues to shut down, and repeats above-mentioned step content;
If then descend step;
(6). relatively whether this internal temperature values T is at the shutoff temperature T of compressor
OffTurn-on temperature T with compressor
OnBetween,
If then compressor keeps the work at present rotational speed N, and repeat since the 5th step;
If not, then descend step;
(7). relatively this internal temperature values T whether in first temperature section,
If not, then descend step;
If judge that then current compressor operating rotational speed N is whether greater than the compressor operating rotational speed N 2 of second temperature section correspondence; If, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N 1 of this temperature section correspondence;
(8). relatively this internal temperature values T whether in another temperature section successively,
If not, then descend step;
If judge that then compressor work at present rotational speed N is whether greater than the compressor operating rotational speed N of the next temperature section of this step temperature section correspondence
m+ 1; If, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N of this step temperature section correspondence
m
Analogize in proper order, judge each temperature section successively;
(9). relatively whether whether this internal temperature values T in the end in temperature section, promptly at T
On+ mt and maximum temperature T
MaxBetween;
If not, then the working speed of compressor equals maximum (top) speed N
Max
If judge then whether compressor work at present rotational speed N equals the maximum functional rotational speed N
MaxIf, then keep current compressor operating rotating speed, and since the 5th the step repeat; If not, then the working speed of compressor equals the rotational speed N of this temperature section correspondence
m
2. the control method of variable frequency refrigerator according to claim 1 is characterized in that: the above-mentioned compressor operating rotating speed corresponding with temperature section satisfy N1＜N2＜N3＜...＜N
Max, maximum (top) speed N wherein
MaxBe 1900rpm～4000rpm.
3. the control method of variable frequency refrigerator according to claim 1 and 2, it is characterized in that: the above-mentioned compressor operating rotating speed corresponding with temperature section satisfies N2-N1=N3-N2=...=N
Max-N
m
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110830 CN1122806C (en) | 2000-01-12 | 2000-01-12 | Contral method of variable frequency refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110830 CN1122806C (en) | 2000-01-12 | 2000-01-12 | Contral method of variable frequency refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1304023A true CN1304023A (en) | 2001-07-18 |
| CN1122806C CN1122806C (en) | 2003-10-01 |
Family
ID=4580794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00110830 Expired - Fee Related CN1122806C (en) | 2000-01-12 | 2000-01-12 | Contral method of variable frequency refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1122806C (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378420C (en) * | 2005-09-13 | 2008-04-02 | 海信集团有限公司 | Variable frequency refrigerator and control method thereof |
| CN100416196C (en) * | 2005-09-23 | 2008-09-03 | 海信（北京）电器有限公司 | Air-cooled variable frequency refrigerator and its control method |
| CN101545706B (en) * | 2008-03-24 | 2012-01-04 | 海尔集团公司 | Method for controlling frequency conversion of frequency conversion refrigerator |
| CN102997610A (en) * | 2012-12-31 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Refrigeration plant control method |
| CN103398539A (en) * | 2013-07-17 | 2013-11-20 | 海信容声(广东)冰箱有限公司 | Refrigerator temperature controlling method utilizing approach parameters |
| CN103438659A (en) * | 2013-09-05 | 2013-12-11 | 海信容声(广东)冰箱有限公司 | Air-cooled refrigerator high-temperature start control method |
| CN104329904A (en) * | 2014-07-24 | 2015-02-04 | 青岛海尔股份有限公司 | Refrigerator room temperature control method |
| CN104913571A (en) * | 2015-06-25 | 2015-09-16 | 合肥美的电冰箱有限公司 | Variable frequency refrigerator and control method thereof |
| CN105115241A (en) * | 2015-09-07 | 2015-12-02 | 合肥美的电冰箱有限公司 | Refrigerator energy-saving control method and refrigerator adopting method |
| CN105605873A (en) * | 2015-12-31 | 2016-05-25 | 珠海美固电子有限公司 | Heat source control method and system for absorption refrigerator |
| CN105627688A (en) * | 2016-01-05 | 2016-06-01 | 珠海美固电子有限公司 | Refrigeration control method and system of thermoelectric container |
| CN106369930A (en) * | 2016-08-25 | 2017-02-01 | 合肥美菱股份有限公司 | Frequency converting control method of refrigerator |
| CN106642972A (en) * | 2016-12-21 | 2017-05-10 | 南京创维家用电器有限公司 | Control method and system for variable-frequency refrigerator |
| CN107624154A (en) * | 2015-06-02 | 2018-01-23 | Bsh家用电器有限公司 | Refrigerating appliance with coolant compressor |
| CN109883132A (en) * | 2019-01-28 | 2019-06-14 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
-
2000
- 2000-01-12 CN CN 00110830 patent/CN1122806C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378420C (en) * | 2005-09-13 | 2008-04-02 | 海信集团有限公司 | Variable frequency refrigerator and control method thereof |
| CN100416196C (en) * | 2005-09-23 | 2008-09-03 | 海信（北京）电器有限公司 | Air-cooled variable frequency refrigerator and its control method |
| CN101545706B (en) * | 2008-03-24 | 2012-01-04 | 海尔集团公司 | Method for controlling frequency conversion of frequency conversion refrigerator |
| CN102997610B (en) * | 2012-12-31 | 2015-01-21 | 合肥美的电冰箱有限公司 | Refrigeration plant control method |
| CN102997610A (en) * | 2012-12-31 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Refrigeration plant control method |
| CN103398539A (en) * | 2013-07-17 | 2013-11-20 | 海信容声(广东)冰箱有限公司 | Refrigerator temperature controlling method utilizing approach parameters |
| CN103398539B (en) * | 2013-07-17 | 2015-07-29 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator temperature control method utilizing approaching parameter |
| CN103438659A (en) * | 2013-09-05 | 2013-12-11 | 海信容声(广东)冰箱有限公司 | Air-cooled refrigerator high-temperature start control method |
| CN104329904B (en) * | 2014-07-24 | 2017-01-11 | 青岛海尔股份有限公司 | Refrigerator room temperature control method |
| CN104329904A (en) * | 2014-07-24 | 2015-02-04 | 青岛海尔股份有限公司 | Refrigerator room temperature control method |
| CN107624154A (en) * | 2015-06-02 | 2018-01-23 | Bsh家用电器有限公司 | Refrigerating appliance with coolant compressor |
| CN104913571A (en) * | 2015-06-25 | 2015-09-16 | 合肥美的电冰箱有限公司 | Variable frequency refrigerator and control method thereof |
| CN104913571B (en) * | 2015-06-25 | 2017-09-19 | 合肥美的电冰箱有限公司 | The control method of frequency conversion refrigerator and frequency conversion refrigerator |
| CN105115241A (en) * | 2015-09-07 | 2015-12-02 | 合肥美的电冰箱有限公司 | Refrigerator energy-saving control method and refrigerator adopting method |
| CN105605873A (en) * | 2015-12-31 | 2016-05-25 | 珠海美固电子有限公司 | Heat source control method and system for absorption refrigerator |
| CN105627688A (en) * | 2016-01-05 | 2016-06-01 | 珠海美固电子有限公司 | Refrigeration control method and system of thermoelectric container |
| CN105627688B (en) * | 2016-01-05 | 2018-04-03 | 珠海美固电子有限公司 | The refrigeration control method and system of a kind of semiconductor cooling-heating box |
| CN106369930A (en) * | 2016-08-25 | 2017-02-01 | 合肥美菱股份有限公司 | Frequency converting control method of refrigerator |
| CN106369930B (en) * | 2016-08-25 | 2018-10-23 | 长虹美菱股份有限公司 | A kind of refrigerator method for controlling frequency conversion |
| CN106642972A (en) * | 2016-12-21 | 2017-05-10 | 南京创维家用电器有限公司 | Control method and system for variable-frequency refrigerator |
| CN109883132A (en) * | 2019-01-28 | 2019-06-14 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1122806C (en) | 2003-10-01 |
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