CN102853502A - Defrosting control method of heat pump air conditioner unit - Google Patents
Defrosting control method of heat pump air conditioner unit Download PDFInfo
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Abstract
The invention discloses a defrosting control method of a heat pump air conditioner unit. According to the outdoor environment temperature T4 of heat pump air conditioner operation, regional defrosting is conducted, and different defrosting control modes are conducted within regions of different temperatures. The outdoor environment temperature T4 during initial heat pump air conditioner operation is divided into N regions, different defrosting control methods are used in all regions, a controller is used for counting the air conditioner regional defrosting number when a machine is started up and heated, a special defrosting mode is conducted when the number reaches n, the entry condition of the special defrosting mode is the same as that of regional defrosting modes, and the exit condition is conducted in accordance with different control rules. By the aid of the method, the defrosting is conducted quickly, the indoor temperature fluctuation is small during defrosting, the heating amount is large and the heating can be conducted continuously. Simultaneously, the defects that the defrosting time is long and the defrosting is not complete due to hot gas bypass at the ultralow temperature are avoided. Users feel comfortable.
Description
Technical field
The present invention is a kind of defrosting control method of heat pump air conditioner unit, belongs to the renovation technique of the defrosting control method of heat pump air conditioner unit.
Background technology
Heat pump air conditioner when heating operation in, cold-producing medium is by outdoor heat exchanger and outdoor air generation heat exchange, absorb heat and evaporate from outdoor air, the cold-producing medium of compressor compresses low-temp low-pressure becomes the refrigerant vapour of HTHP, enters the indoor heat converter heat release; Emit heat by indoor heat converter and heat room air, make people enjoy pleasant environment.
Because outdoor heat converter absorbs heat from outdoor air, the outdoor heat converter environment temperature is lower, and airborne steam can condense into frost and be attached to the outdoor heat converter surface, has affected the exchange capability of heat of outdoor heat converter, the heating capacity of device descends, and affects people's comfortableness.
In order to solve air-conditioner defrosting problem, the air-conditioner majority adopts cross valve commutation control at present, cross valve commutation during defrosting, and the outdoor heat converter heat release, indoor heat converter absorbs heat, the circulation of air-conditioner running refrigerating, indoor stopping to heat, and increases people's discomfort; The more difficult Ex-all of frost of in the defrost process because outdoor heat converter bottom has defrosted when complete in the first half, must descend the part heat exchanger to defrost by the time and can enter normal heating operation fully, and defrosting time is longer; In addition, current also have enterprise to adopt not reverse cycle defrost mode of cross valve, but often exist in the defrost process indoor set wind pushing temperature lower under the environment of lower temperature, and defrosting time is long, sordid phenomenon defrosts, affect the operation of air-conditioning next cycle, produce vicious circle.
Summary of the invention
The object of the invention is to consider the problems referred to above and a kind of defrosting control method that adopts the heat pump air conditioner unit of divisional defrosting pattern is provided.The present invention takes different defrosting modes in different temperature provinces, improve user's comfortableness.
Technical scheme of the present invention is: the defrosting control method of heat pump air conditioner unit of the present invention, outdoor environment temperature according to operation of air conditioner is divided into N zone, different defrosting control methods is taked in each zone, move outdoor environment temperature T4 when initial according to the source pump that detects, adopt corresponding defrosting mode, the condition that the control defrost enters is determined by time t and the temperature difference between outdoor heat exchange organ pipe temperature T3, the T5 of air-conditioning unit operation, the condition that withdraws from defrost is determined by outdoor heat exchange organ pipe temperature T5, specifically comprises following concrete steps:
1) compressor start begins heating operation, begins to calculate the start-up time of compressor;
2) detect the outdoor environment temperature T4 of compressor start ta during second, program is selected applicable corresponding defrost pattern according to the T4 value;
At the temperature value of t1 to t2 time period T3, and the minimum of a value of record t1 to t3 time period T3 is T30 when 3) detecting the normal heating operation of compressor start;
4) reach the specified operation time t of corresponding subregion as air-conditioning unit t running time
CDThe time, the external heat exchanger pipe temperature T5 of sensing chamber, and calculate △ T, wherein △ T=T30-T5;
5) judge △ T, if when △ T met the defrost defrosting entry condition of corresponding region defrost pattern, the air-conditioning unit entered defrost, the defrost action is by the setting of place subregion.Each normal heating operation of compressor start, program is namely carried out stored count to subregion defrost number of times, after the stored count number of times reaches n time, presses the special pattern action;
Defrosting method when 6) defrost pattern in subregion enters defrost when defrost begins, begins timing by the setting of each subregion;
7) the defrost continuous external heat exchanger pipe temperature T5 of sensing chamber of when operation is when temperature conditions T5 is withdrawed from the defrost that detects T5 and meet the corresponding region defrost pattern of setting
CDThe time, or detect defrost and reach setting value t running time
SDThe time withdraw from defrost;
8) enter heating operation, restart timing.
Above-mentioned steps 5) defrost action is set by place A, B, C, D, five humidity provinces of E, and is specific as follows:
11）T4≥TCD1；
12）TCD2≤T4<TCD1；
13）TCD3≤T4<TCD2；
14）TCD4≤T4<TCD3；
15）T4<TCD4；
T4 is as follows in the pattern of A, B, C, D, five humidity provinces of E:
A district T4 〉=7 ℃ of A patterns
0 ℃≤the T4 in B district＜7 ℃ of B patterns
C district-5 ℃≤T4＜0 ℃ C pattern
D district-12 ℃≤T4＜-5 ℃ D pattern
E district T4＜-12 ℃ of E patterns.
The defrosting control method of special pattern above-mentioned steps 5) comprises following concrete steps:
21) compressor start heating operation begins counting;
22) after the subregion defrost number of times of accumulative total reaches set point number n, and the air-conditioning unit enters special defrost pattern when satisfying the defrost entry condition of place subregion, and the defrosting control method of this moment is decided to be the tangential defrost of cross valve;
23) the defrost operation begins namely to begin timing, the while external heat exchanger pipe temperature T3 of sensing chamber, rise to when being higher than TCDE1 when detecting outdoor heat converter T3, perhaps ought detect outdoor heat converter T3 rises to and is higher than TCDE2, and when lasting tn second is above, when perhaps the defrosting running continues tm minute, withdraw from the defrost operation; Wherein tn, tm are program setting;
24) finish the special pattern defrost, enter heating operation, restart counting;
25) the air-conditioning unit is pressed the subregion defrost, until the accumulative total defrost periods enters the special pattern defrost after reaching n time, and so circulation.
Above-mentioned steps 23) defrost sequence of movement is:
26) compressor frequency reducing operation, cross valve, inside and outside blower fan are closed;
27) the compressor raising frequency enters defrost to defrost frequency shelves;
28) after defrost finishes, compressor shutdown, outer blower fan is opened, and cross valve, inner blower are opened after 30 seconds.
The present invention is because employing arranges the outdoor environment temperature sensor, the temperature that the outdoor environment sensor is experienced during according to air conditioner heat-production is different, adopt the method for corresponding divisional defrosting pattern, and count for the divisional defrosting number of times, count the special defrosting mode of rear employing that meets the demands.The present invention can realize quickly defrosting, and fluctuations in indoor temperature is little during defrosting, and heating capacity is large, can realize continuing to heat, and avoids again hot gas bypass defrosting to defrost under ultralow temperature for a long time simultaneously, and the sordid shortcoming that defrosts has improved the comfortableness that the user uses greatly.The present invention is a kind of defrosting control method of convenient and practical heat pump air conditioner unit.
Description of drawings
Fig. 1 is the defrost schematic diagram;
Fig. 2 is special pattern defrost flow chart;
Fig. 3 is a-quadrant defrost flow chart;
Fig. 4 is B zone defrost flow chart;
Fig. 5 is C zone defrost flow chart;
Fig. 6 is D zone defrost flow chart;
Fig. 7 is E zone defrost flow chart.
The specific embodiment
Embodiment:
The defrosting control method of heat pump air conditioner unit of the present invention, it is the heat pump air conditioner defrosting control model of a kind of subregion merotype, it is source pump to be moved outdoor environment temperature T4 is divided into N zone when initial, different defrosting control methods is taked in each zone, move outdoor environment temperature T4 when initial according to the source pump that detects, adopt corresponding Defrost method.
Source pump is opened heating mode, compressor and four-way change-over valve get electric, and director demon begins timing, and begin to detect starting stage outdoor environment temperature T4, t1-t2 time period outdoor heat converter temperature T 3, and the minimum of a value of record t1-t2 time period temperature T 3, be recorded as T30; When timing time t reaches corresponding region defrosting mode regulation requirement, sensing chamber's outer heat-exchanger temperature T 5, and calculating △ T, wherein △ T=T30-T5 if △ T meets corresponding region defrosting mode defrosting entry condition, then enters the corresponding region defrosting mode and defrosts, continuous sensing chamber outer heat-exchanger temperature T 5 in the defrost process, withdraw from temperature conditions when the corresponding region defrosting mode defrosting that detects T5 and meet setting, withdraw from defrosting mode, enter the next one and heat circulation.
Each start heats Time Controller air-conditioner divisional defrosting number of times is counted, and when counting satisfies n time, adopts special defrosting mode, and special defrosting mode entry condition is identical with the divisional defrosting pattern, and exit criteria is set by special model program.
It below is a kind of divisional defrosting application example.
1, with outdoor environment by being divided into A, B, C, D, five humidity provinces of E shown in the table 3
Table 3
| The outdoor environment temperature zone is divided | T4 | |
| The A district | T4 〉=7 ℃ | The A pattern |
| The |
0 ℃≤T4＜7 ℃ | The B pattern |
| The C district | -5 ℃≤T4＜0 ℃ | The C pattern |
| The D district | -12 ℃≤T4＜-5 ℃ | The D pattern |
| The E district | T4＜-12 ℃ | The E pattern |
| The outer total temperature regional extent of heating chamber. | Special pattern |
Each heating mode of opening, compressor is opened, and cross valve powers on, and T4 begins to detect outdoor environment temperature, and the T4 when the acquiescence compressor is opened rear 180 seconds is outdoor environment temperature.According to the T4 temperature, applicable above corresponding defrost pattern.
Detect and the continuous T3 minimum of a value T30 that moves in 7 minutes to 12 minutes of recording compressed machine startup.
Sensing chamber's outer heat-exchanger temperature T 5, and calculate △ T, △ T=T30-T5 wherein is according to 2) require to enter each pattern and defrost
2, each pattern entry condition
The A pattern:
The defrost entry condition: continuous heating is more than tCDA running time minute, and outdoor heat converter T3 is lower than continuously T3SD1 and lasts more than ta minute.TCDA value 90 minutes, T3SD1 value-3 ℃, ta value 3 minutes.
The B pattern:
The defrost entry condition: continuous heating operation is after tCDB minute, and the outer heat-exchanger T5 of sensing chamber is as Δ T(T30-T5) 〉=during T30SUBT5ONE.TCDB value 25 minutes, 5.5 ℃ of T30SUBT5ONE values.
The C pattern:
The defrost entry condition: continuous heating operation is after tCDC minute, and the outer heat-exchanger T3 of sensing chamber is as Δ T(T30-T5) 〉=during T30SUBT5TWO.TCDC value 30 minutes, 5.0 ℃ of T30SUBT5TWO values.
The D pattern:
The defrost entry condition: continuous heating operation is after tCDD minute, and the outer heat-exchanger T3 of sensing chamber is as Δ T(T30-T5) 〉=during T30SUBT5THREE.TCDD value 35 minutes, 5.0 ℃ of T30SUBT5THREE values.
The E pattern:
The defrost entry condition: continuous heating operation is after tCDE minute, the outer heat-exchanger T3≤T3SD2 of sensing chamber, tCDE value 120 minutes, T3SD2 value-15.0 ℃.
Special pattern:
The defrost entry condition: add up continuously A+B+C+D+E and reach n defrost, and the special entry condition that meets above divisional defrosting pattern arbitrary patterns.
3, defrost termination condition
The A pattern
The defrost exit criteria: outdoor heat converter T5 temperature is higher than T5CDA or defrost continuous working period greater than tSDA; 4 ℃ of T5CDA values, tSDA value 5 minutes;
The B pattern
The defrost exit criteria: outdoor heat converter T5 temperature is higher than T5CDB or defrost continuous working period greater than tSDB; 3.0 ℃ of T5CDB values, tSDB value 5 minutes;
The C pattern
The defrost exit criteria: outdoor heat converter T5 temperature is higher than T5CDC or defrost continuous working period greater than tSDC; 3.0 ℃ of T5CDC values, tSDC value 10 minutes;
The D pattern
The defrost exit criteria: outdoor heat converter T5 temperature is higher than T5CDD or defrost continuous working period greater than tSDD; 2.5 ℃ of T5CDD values, tSDD value 10 minutes;
The E pattern;
The defrost exit criteria: outdoor heat converter T3 temperature is higher than T5CDE or defrost continuous working period greater than tSDE, 2.0 ℃ of T5CDE values, tSDE value 10 minutes;
Special pattern
The defrost exit criteria:
Satisfy following three finish first defrost, change common heating over to:
1. rise to when being higher than TCDE1 18 ℃ of TCDE1 values as outdoor heat converter T3;
2. rise to and be higher than TCDE2 as outdoor heat converter T3, and lasting tn second is when above; 8.0 ℃ of TCDE2 values, tn value 80 seconds;
3. when defrosting running in the time of lasting tm minute, tm value 15 minutes.
4, each defrosting mode lower compression machine, cross valve, indoor fan, outdoor fan, by-passing valve, electric heater, throttling arrangement defrost operating state.
5, concrete steps:
Step 1: compressor start begins heating operation, the beginning timing;
Step 2: detect the outdoor environment temperature T4 when starting rear 180 seconds, judge corresponding defrost pattern according to the T4 value;
Step 3: detect the temperature value of the normal heating operation of compressor start t1 to t2 time period T3, and the minimum of a value of record t1 to t2 time period T3 is T30; T1 value 7 minutes, t2 value 12 minutes;
Step 4: the specified operation time t that reaches corresponding subregion as air-conditioning unit t running time
CDThe time, the external heat exchanger pipe temperature T5 of sensing chamber, and calculate △ T, wherein △ T=T30-T5;
Step 5: judge that △ T is (with △ T
CDRelatively), if when △ T met the defrost defrosting entry condition of corresponding region defrost pattern, the air-conditioning unit entered defrost, the defrost action is by the setting of place subregion, if counting accumulative total defrost periods reaches n(6) inferior after, press special pattern and move;
Step 6: the defrosting method when entering defrost when defrost begins, begins timing by the setting of each subregion;
Step 7: the defrost continuous external heat exchanger pipe temperature T5 of sensing chamber of when operation, when temperature conditions T5 is withdrawed from the defrost that detects T5 and meet the corresponding region defrost pattern of setting
CDThe time, or detect defrost and reach setting value t running time
SDThe time withdraw from defrost process;
Step 8: enter heating operation, restart timing.
The above-mentioned listed specific embodiment is nonrestrictive, to one skilled in the art, is not departing within the scope of the present invention, and the various modifications and variations of carrying out all belong to protection scope of the present invention.
Claims (4)
1. the defrosting control method of a heat pump air conditioner unit, it is characterized in that being divided into N zone according to the outdoor environment temperature of operation of air conditioner, different defrosting control methods is taked in each zone, move outdoor environment temperature T4 when initial according to the source pump that detects, adopt corresponding defrosting mode, the condition that the control defrost enters is determined by time t and the temperature difference between outdoor heat exchange organ pipe temperature T3, the T5 of air-conditioning unit operation, the condition that withdraws from defrost is determined by outdoor heat exchange organ pipe temperature T5, specifically comprises following concrete steps:
1) compressor start begins heating operation, begins to calculate the start-up time of compressor;
2) detect the outdoor environment temperature T4 of compressor start ta during second, program is selected applicable corresponding defrost pattern according to the T4 value;
At the temperature value of t1 to t2 time period T3, and the minimum of a value of record t1 to t3 time period T3 is T30 when 3) detecting the normal heating operation of compressor start;
4) reach the specified operation time t of corresponding subregion as air-conditioning unit t running time
CDThe time, the external heat exchanger pipe temperature T5 of sensing chamber, and calculate △ T, wherein △ T=T30-T5;
5) judge △ T, if when △ T met the defrost defrosting entry condition of corresponding region defrost pattern, the air-conditioning unit entered defrost, the defrost action is by the setting of place subregion;
Each normal heating operation of compressor start, program is namely carried out stored count to subregion defrost number of times, after the stored count number of times reaches n time, presses the special pattern action;
Defrosting method when 6) defrost pattern in subregion enters defrost when defrost begins, begins timing by the setting of each subregion;
7) the defrost continuous external heat exchanger pipe temperature T5 of sensing chamber of when operation is when temperature conditions T5 is withdrawed from the defrost that detects T5 and meet the corresponding region defrost pattern of setting
CDThe time, or detect defrost and reach setting value t running time
SDThe time withdraw from defrost;
8) enter heating operation, restart timing.
2. the defrosting control method of heat pump air conditioner unit according to claim 1 is characterized in that above-mentioned steps 5) defrost action set by place A, B, C, D, five humidity provinces of E, specific as follows:
11）T4≥TCD1；
12）TCD2≤T4<TCD1；
13）TCD3≤T4<TCD2；
14）TCD4≤T4<TCD3；
15）T4<TCD4；
T4 is as follows in the pattern of A, B, C, D, five humidity provinces of E:
A district T4 〉=7 ℃ of A patterns
0 ℃≤the T4 in B district＜7 ℃ of B patterns
C district-5 ℃≤T4＜0 ℃ C pattern
D district-12 ℃≤T4＜-5 ℃ D pattern
E district T4＜-12 ℃ of E patterns.
3. the defrosting control method of heat pump air conditioner unit according to claim 1 is characterized in that above-mentioned steps 5) the defrosting control method of special pattern comprise following concrete steps:
21) compressor start heating operation begins counting;
22) after the subregion defrost number of times of accumulative total reaches set point number n, and the air-conditioning unit enters special defrost pattern when satisfying the defrost entry condition of place subregion, and the defrosting control method of this moment is decided to be the tangential defrost of cross valve;
23) the defrost operation begins namely to begin timing, the while external heat exchanger pipe temperature T3 of sensing chamber, rise to when being higher than TCDE1 when detecting outdoor heat converter T3, perhaps ought detect outdoor heat converter T3 rises to and is higher than TCDE2, and when lasting tn second is above, when perhaps the defrosting running continues tm minute, withdraw from the defrost operation; Wherein tn, tm are program setting;
24) finish the special pattern defrost, enter heating operation, restart counting;
25) the air-conditioning unit is pressed the subregion defrost, until the accumulative total defrost periods enters the special pattern defrost after reaching n time, and so circulation.
4. the defrosting control method of heat pump air conditioner unit according to claim 1 is characterized in that above-mentioned steps 23) the defrost sequence of movement be:
26) compressor frequency reducing operation, cross valve, inside and outside blower fan are closed;
27) the compressor raising frequency enters defrost to defrost frequency shelves;
28) after defrost finishes, compressor shutdown, outer blower fan is opened, and cross valve, inner blower are opened after 30 seconds.
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| CN114739065A (en) * | 2022-04-28 | 2022-07-12 | 浙江中广电器集团股份有限公司 | Control method for air source variable frequency heat pump defrosting without stopping |
| CN115247920A (en) * | 2022-06-27 | 2022-10-28 | 浙江中广电器集团股份有限公司 | Defrosting control method for multi-split air conditioner |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164006A (en) * | 1996-01-29 | 1997-11-05 | Lg电子株式会社 | Defrosting method for heat pump type air conditioner |
| US7228692B2 (en) * | 2004-02-11 | 2007-06-12 | Carrier Corporation | Defrost mode for HVAC heat pump systems |
-
2012
- 2012-09-29 CN CN201210371492.6A patent/CN102853502B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164006A (en) * | 1996-01-29 | 1997-11-05 | Lg电子株式会社 | Defrosting method for heat pump type air conditioner |
| US7228692B2 (en) * | 2004-02-11 | 2007-06-12 | Carrier Corporation | Defrost mode for HVAC heat pump systems |
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