CN102809202A - Air conditioner and refrigeration control method and device thereof - Google Patents
Air conditioner and refrigeration control method and device thereof Download PDFInfo
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- CN102809202A CN102809202A CN2011101645202A CN201110164520A CN102809202A CN 102809202 A CN102809202 A CN 102809202A CN 2011101645202 A CN2011101645202 A CN 2011101645202A CN 201110164520 A CN201110164520 A CN 201110164520A CN 102809202 A CN102809202 A CN 102809202A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000007791 dehumidification Methods 0.000 claims abstract description 54
- 238000011282 treatment Methods 0.000 claims abstract description 34
- 238000013461 design Methods 0.000 claims description 32
- 238000007710 freezing Methods 0.000 claims description 30
- 230000008014 freezing Effects 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 description 24
- 238000005265 energy consumption Methods 0.000 description 21
- 238000001816 cooling Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000002699 waste material Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010013082 Discomfort Diseases 0.000 description 1
- 206010016322 Feeling abnormal Diseases 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The invention discloses an air conditioner and a refrigeration control method and device thereof. The refrigeration control method of the air conditioner comprises the following steps: the air conditioner detects the indoor relative humidity after a user starts a refrigeration mode; the air conditioner judges whether the indoor relative humidity is greater than the preset relative humidity or not; and when the indoor relative humidity is greater than the preset relative humidity, the air conditioner performs dehumidification treatment.
Description
Technical field
The present invention relates to the air-conditioner field, in particular to a kind of air-conditioner and refrigeration control method and device.
Background technology
The conventional air-conditioning device usually in the wet cooling condition operation, causes the waste of air-conditioner energy consumption when refrigeration.At first; The evaporimeter of the air-conditioner that under the wet cooling condition condition, moves becomes easily infected by dust; The noise of air-conditioner is increased the dust of being infected with on the one hand and refrigeration performance reduces; The dust of being infected with on the other hand makes evaporimeter and screen pack dirty stifled, and then not only causes the instability of household air-conditioner, and causes the secondary pollution of room air; Secondly, the condensed water that air-conditioner produces is constantly condensation, evaporation in the air-conditioner running, causes air-conditioner to increase extra energy consumption, and the condensed water of air-conditioner is very easy to breed bacteria simultaneously; At last, the comfort temperature that the big more human body of relative humidity requires is low more, therefore needs air-conditioner under lower temperature, to move, perhaps move the longer time.
When freezing, often, effective solution is not proposed as yet at present to air-conditioner in the correlation technique owing to the problem that causes the waste of air-conditioner energy consumption in the wet cooling condition operation.
Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioner and refrigeration control method and device, to solve air-conditioner when freezing, often owing to the problem that causes the waste of air-conditioner energy consumption in the wet cooling condition operation.
To achieve these goals, according to an aspect of the present invention, a kind of air-conditioner refrigeration control method is provided.This air-conditioner refrigeration control method comprises: air-conditioner detects indoor relative humidity after the user opens refrigeration mode; Air-conditioner judges that whether indoor relative humidity is greater than preset relative humidity; And at indoor relative humidity during greater than preset relative humidity, air-conditioner carries out dehumidification treatments.
Further, during greater than preset relative humidity, air-conditioner carries out dehumidification treatments and the processing of freezing simultaneously at indoor relative humidity.
Further, air-conditioner carries out dehumidification treatments and freeze simultaneously to handle comprising: air-conditioner freezes according to first temperature and dehumidifies, and wherein, first temperature deducts first preset temperature for user's design temperature; And after air-conditioner continued first Preset Time according to first temperature refrigeration, air-conditioner freezed according to second temperature, and wherein, second temperature adds second preset temperature for user's design temperature.
Further, first preset temperature is the 2-3 degree; First Preset Time is 30-40 minute; And second preset temperature be the 1-2 degree.
Further, said first preset temperature is 3 degree; Said first Preset Time is 40 minutes; And said second preset temperature is 1 degree.
Further, during greater than preset relative humidity, air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing at indoor relative humidity.
Further, air-conditioner carries out dehumidification treatments earlier, and then freezes to handle and comprise: air-conditioner carries out dehumidification treatments earlier, at indoor relative humidity during less than preset relative humidity, and the processing of freezing again.
Further, air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing comprises: air-conditioner operation dehydrating unit dehumidifies; And after air-conditioner operation dehydrating unit continued second Preset Time, air-conditioner freezed according to the 3rd temperature, and wherein, the 3rd temperature adds the 3rd preset temperature for user's design temperature.
Further, second Preset Time is 30-40 minute; And the 3rd preset temperature be the 1-2 degree.
Further, said second Preset Time is 30 minutes; Said the 3rd preset temperature is 1 degree.
Further, air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing comprises: the frequency changer of air-conditioner dehumidifies according to the predeterminated frequency operation, and wherein, predeterminated frequency is greater than the conventional operation frequency; And after the frequency changer of air-conditioner continued the 3rd Preset Time according to the predeterminated frequency operation, air-conditioner freezed according to the 4th temperature, and wherein, the 4th temperature adds the 4th preset temperature for user's design temperature.
Further, predeterminated frequency is greater than the conventional operation frequency of this air-conditioner frequency changer; The 3rd Preset Time is 20-30 minute; And the 4th preset temperature be the 1-2 degree.
Further, said predeterminated frequency is greater than the conventional operation frequency of said air-conditioner frequency changer; Said the 3rd Preset Time is 20 minutes; And said the 4th preset temperature is 1 degree.
Further, preset relative humidity is set between 45% and 55%.
Further, said preset relative humidity is 50%.
To achieve these goals, according to a further aspect in the invention, a kind of refrigeration control device of air-conditioner is provided, the refrigeration control device of this air-conditioner comprises: detection module, be used for after the user opens refrigeration mode, and detect indoor relative humidity; Judge module is used to judge that whether indoor relative humidity is greater than preset relative humidity; And control module, being used at indoor relative humidity during greater than preset relative humidity, the control air-conditioner carries out dehumidification treatments.
Further, control module also is used at indoor relative humidity during greater than preset relative humidity, and the control air-conditioner carries out dehumidification treatments and the processing of freezing simultaneously.
Further, control module comprises: the first control submodule, be used to control air-conditioner according to first temperature refrigeration and dehumidify, and wherein, first temperature deducts first preset temperature for user's design temperature; And the second control submodule, be used for when air-conditioner continues first Preset Time according to first temperature refrigeration, controlling air-conditioner and freezing according to second temperature, wherein, second temperature adds second preset temperature for user's design temperature.
Further, control module is used at indoor relative humidity during greater than preset relative humidity, and the control air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing.
Further, the refrigeration control device of this air-conditioner also comprises: dehumidification module, be connected with control module, and be used for air-conditioner is dehumidified, wherein, control module comprises: the 3rd control submodule is used to control dehumidification module and dehumidifies; And the 4th control submodule, be used for when air-conditioner operation dehumidification module continues second Preset Time, control air-conditioner and freeze according to the 3rd temperature, wherein, the 3rd temperature adds the 3rd preset temperature for user's design temperature.
Further, control module comprises: the 5th control submodule, and the frequency changer that is used to control air-conditioner dehumidifies according to the predeterminated frequency operation, and wherein, predeterminated frequency is greater than the conventional operation frequency; And the 6th control submodule, be used for when the frequency changer of air-conditioner continues the 3rd Preset Time according to the predeterminated frequency operation, controlling air-conditioner and freezing according to the 4th temperature, wherein, the 4th temperature adds the 4th preset temperature for user's design temperature.
To achieve these goals, according to a further aspect in the invention, a kind of air-conditioner is provided.This air-conditioner comprises the refrigeration control device of any one air-conditioner provided by the invention.
Through the present invention, adopt the air-conditioner refrigeration control method that may further comprise the steps: air-conditioner detects indoor relative humidity after the user opens refrigeration mode; Air-conditioner judges that whether indoor relative humidity is greater than preset relative humidity; And at indoor relative humidity during greater than preset relative humidity; Air-conditioner carries out dehumidification treatments; Solved existing air-conditioner in when refrigeration,, and then realized the effect of saving air-conditioner energy consumption often owing to cause the problem of air-conditioner energy consumption waste in the wet cooling condition operation.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map according to the air-conditioner refrigeration control device of the embodiment of the invention;
Fig. 2 a is the first embodiment sketch map according to air-conditioner refrigeration control device of the present invention;
Fig. 2 b is the second embodiment sketch map according to air-conditioner refrigeration control device of the present invention;
Fig. 2 c is the 3rd an embodiment sketch map according to air-conditioner refrigeration control device of the present invention;
Fig. 3 is the flow chart according to the air-conditioner refrigeration control method of the embodiment of the invention;
Fig. 4 is according to the pressure dehumidification operating mode of air-conditioner refrigeration control device of the present invention and the contrast sketch map of conventional operation pattern;
Fig. 5 is the contrast sketch map according to the indoor relative humidity of air-conditioner refrigeration control device of the present invention and air conditioning energy consumption;
Fig. 6 is the contrast sketch map according to the indoor relative humidity of air-conditioner refrigeration control device of the present invention and air-conditioning leaving air temp;
Fig. 7 is the flow chart according to first preferred embodiment of air-conditioner refrigeration control method of the present invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.The said temperature unit of the present invention " degree " be Celsius temperature (℃); Described " T establishes-3 " deducts 3 degree for the air-conditioning design temperature; Described " T establishes-2 " deducts 2 degree for the air-conditioning design temperature; Described " T establish+1 " adds 1 degree for the air-conditioning design temperature, described " T establish+2 " adds that 2 spend for the air-conditioning design temperature.
Fig. 1 is the sketch map according to the air-conditioner refrigeration control device of the embodiment of the invention, and is as shown in Figure 1, and the air-conditioner refrigeration control device comprises: detection module 10, be used for after the user opens refrigeration mode, and detect indoor relative humidity; Judge module 20 is used to judge that whether indoor relative humidity is greater than preset relative humidity; And control module 30, being used at indoor relative humidity during greater than preset relative humidity, the control air-conditioner carries out dehumidification treatments.
Preferably, control module 30 also is used at indoor relative humidity during greater than preset relative humidity, and the control air-conditioner carries out dehumidification treatments and the processing of freezing simultaneously.
Fig. 2 a is the first embodiment sketch map according to air-conditioner refrigeration control device of the present invention; Shown in Fig. 2 a; Control module 30 comprises: the first control submodule 32; Be used to control air-conditioner according to first temperature refrigeration and dehumidify, wherein, first temperature deducts first preset temperature for user's design temperature; And the second control submodule 34, be used for when air-conditioner continues first Preset Time according to first temperature refrigeration, controlling air-conditioner and freezing according to second temperature, wherein, second temperature adds second preset temperature for user's design temperature.
Preferably, control module 30 is used at indoor relative humidity during greater than preset relative humidity, and the control air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing.
Fig. 2 b is the second embodiment sketch map according to air-conditioner refrigeration control device of the present invention, and shown in Fig. 2 b, the refrigeration control device of this air-conditioner comprises: dehumidification module 40, be connected with control module 30, and be used for air-conditioner is dehumidified.Control module 30 comprises: the 3rd control submodule 36 is used to control dehumidification module 40 and dehumidifies; And the 4th control submodule 38, be used for when air-conditioner operation dehumidification module 40 continues second Preset Time, controlling air-conditioner and freezing according to the 3rd temperature, wherein, the 3rd temperature adds the 3rd preset temperature for user's design temperature.
Fig. 2 c is the 3rd an embodiment sketch map according to air-conditioner refrigeration control device of the present invention; Shown in Fig. 2 c; Control module 30 comprises: the 5th control submodule 310; The frequency changer 50 that is used to control air-conditioner dehumidifies according to the predeterminated frequency operation, and wherein, predeterminated frequency is greater than the conventional operation frequency; And the 6th control submodule 312, be used for when the frequency changer 50 of air-conditioner continues the 3rd Preset Time according to the predeterminated frequency operation, controlling air-conditioner and freezing according to the 4th temperature, wherein, the 4th temperature adds the 4th preset temperature for user's design temperature.For general frequency changer; Just frequency is 33Hz～46Hz (Preset Time was generally 2～3 minutes) within the start Preset Time; The start frequency of different type of machines is inequality, and air-conditioner gets into steady operational status afterwards, can select the proper frequency operation according to indoor environment temperature, outdoor environment temperature and design temperature; The operation of air conditioner frequency of this moment is the said conventional operation frequency of the present invention, usually at 1Hz～30Hz.
Fig. 3 is the flow chart according to the air-conditioner refrigeration control method of the embodiment of the invention, and is as shown in Figure 3, and this method may further comprise the steps:
Step S102, air-conditioner detect indoor relative humidity after the user opens refrigeration mode.
Air-conditioner is in when refrigeration, and its evaporimeter often is in wet cooling condition, brings thus that air-conditioning noise is big, energy consumption is high and produces air secondary and pollute or the like problem.Therefore, after the user opens refrigeration mode, at first should detect indoor relative humidity, under dry cooling condition, move with the evaporimeter that guarantees air-conditioning.
Step S104, air-conditioner judge that whether indoor relative humidity is greater than preset relative humidity.
According to the indoor comfort standard, under the temperature conditions in summer, the people is under the relative humidity of 40-60% more comfortable.But the relative humidity of air is all than higher during summer, and the people is in and feels bad very much under the condition of high humility, for example, when relative humidity greater than 90%, under the temperature conditions of 28 degree, the temperature of people's sensation possibly reach 31 degree.Therefore, summer, high humidity dropped to very necessity of low relative humidity, and low relative humidity is utilized the sweat evaporation, helps human body and produces feel cool.In addition, all easy breed bacteria of relative humidity too high (＞65%) or low excessively (＜38%), therefore; The above-mentioned factor of analysis-by-synthesis is in the dry cooling condition condition with the evaporimeter that guarantees air-conditioning; Proposing preset relative humidity is 45%～55%, and optimum preset relative humidity should be made as 45% or 50% or 55%, and optimum is 50%; Under this preset relative humidity, can satisfy people's the comfort requirement and the operation energy consumption of saving air-conditioning.
Step S106, and at indoor relative humidity during greater than preset relative humidity, air-conditioner carries out dehumidification treatments.
Air-conditioner carries out dehumidification treatments and comprises different embodiment.
Preferably, during greater than preset relative humidity, air-conditioner carries out dehumidification treatments and the processing of freezing simultaneously at indoor relative humidity.
Preferably, air-conditioner carries out dehumidification treatments and freeze simultaneously to handle comprising: air-conditioner freezes according to first temperature and dehumidifies, and wherein, first temperature deducts first preset temperature for user's design temperature; And after air-conditioner continued first Preset Time according to first temperature refrigeration, air-conditioner freezed according to second temperature, and wherein, second temperature adds second preset temperature for user's design temperature.
In this embodiment, at first the user imports design temperature (hereinafter claims that T establishes), and air-conditioner freezes according to " T establishes and deducts first preset temperature "; Be the energy consumption of balance effect on moisture extraction and air-conditioner, the mode that air-conditioner has at first been taked to reduce cryogenic temperature is freezed, preferably; First preset temperature is 2～3 degree, and is preferred, and first preset temperature is 2 degree or 3 degree; Optimum is 3 degree, when air-conditioner freezes according to the temperature value of " T establishes-2 " or " T establishes-3 ", both can realize dehumidification by condensation; Air conditioning energy consumption can be do not wasted again, refrigeration can be reached simultaneously yet; Air-conditioner continues first Preset Time according to " T establishes-2 " or " T establishes-3 "; Why setting the duration of " T establishes-2 " or " T establishes-3 " refrigeration, is because consider the problem of air conditioning energy consumption, if make the air-conditioner long-time running reduce temperature; Cause the waste of the energy undoubtedly; First Preset Time is 30-40 minute, and preferred, first Preset Time is 30 or 35 or 40 minutes; Optimum is 40 minutes, and air-conditioner continues 30 or 35 or 40 minutes according to the temperature value refrigeration of " T establishes-2 " or " T establishes-3 ".Optimum is 40 minutes; After 40 minutes, air-conditioner is according to " T establishes and adds second preset temperature " refrigeration, and the running temperature of refrigeration mode is bigger than the running temperature of setting; Can realize equal comfort requirement with the conventional operation pattern like this; And reduce the operation energy consumption of air-conditioning greatly, preferably, second preset temperature is that 1 degree is to 2 degree.At indoor relative humidity during less than preset relative humidity 50%, perhaps " T establishes-3 " less than the minimum temperature of air-conditioner itself, and when setting can reach minimum temperature when promptly air-conditioner dispatched from the factory, air-conditioner moved according to normal mode.
Below two tables be conventional operation and the condensed water correction data of forcing the dehumidifying operation to produce:
The condensation water quantity (scheme 1) that table 1 conventional operation produces
Table 2 is the condensed water (scheme 2) of dehumidifying back refrigerating operaton generation earlier
In the experimentation, scheme 1: the amount cooling condition, indoor setting 28 degree move 8 hours always, record condensation water quantity after every separated half an hour, and indoor temperature and humidity value, power consumption etc.Scheme 2: only force dehumidifying operation 0.5 hour (26 degree) earlier with scheme 1., then according to scheme 1 operation in the preceding half an hour of start.Earlier with normal mode operation 30 minutes, for table 2 dehumidifying earlier 30 minutes, and then with the normal mode operation, the dehumidifying temperature was than low 2 degree of conventional cryogenic temperature for table 1.
Can find out, adopt and force the condensation mode do not have condensed water to produce after half an hour basically from table 1; The temperature of this scheme employing forced refrigeration dehumidifying is than low 2 degree of conventional cryogenic temperature, and general pressure dehumidifies, and temperature is low more can remove condensed water more fast, but too low temperature human body is uncomfortable; General human body acceptable temperature fluctuation 3 degree; Can find out that from table 1 it is cleaner to adopt twice the temperature difference just can condensed water be removed in half an hour, if establish-3 dehumidifying temperature according to T; Just more can remove condensed water fast, and move 40 minutes relatively fully.
Further, refer to refrigerated dehumidification above, the time of other dehumidification mode can be shorter, and the dehumidification mode maximum duration that the present invention proposes is 40 minutes, if the dehumidifying time is too of a specified duration, energy-saving effect is just so unobvious.
Preferably, during greater than preset relative humidity, air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing at indoor relative humidity.
Preferably, air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing comprises: air-conditioner operation dehydrating unit dehumidifies; And after air-conditioner operation dehydrating unit continued second Preset Time, air-conditioner freezed according to the 3rd temperature, and wherein, the 3rd temperature adds the 3rd preset temperature for user's design temperature.Fig. 4 is according to the pressure dehumidification operating mode of air-conditioner refrigeration control device of the present invention and the contrast sketch map of conventional operation pattern; Experimental program is following: air-conditioning is established-2 degree (26 degree) temperature that operation was adopted after 30 minutes with refrigeration mode is identical always (28 degree) operation with T earlier; From figure, can draw: adopt T to establish the dehumidifying 0.5 hour of-2 operations and refrigeration contrast always as drawing a conclusion; Force the energy consumption of dehumidifying operation after 2 hours to be lower than refrigeration always; Therefore, adopt the mode operation of " T establishes-2 " to carry out conventional refrigeration mode operation saving energy consumption after 30 minutes again.
Further, if do not adopt refrigeration modes, but other can mode (like heat pipe, rotary wheel dehumidifying etc.), and this moment, the operation of dehumidifying just need not consume air conditioning energy consumption, can more save energy consumption.
In this embodiment, air-conditioner itself adds dehydrating unit, can be the solid rotary wheel dehumidifying, solution dehumidification and semi-conductor dehumidifying etc.Detect indoor relative humidity before the operation of air conditioner, when relative humidity greater than 50%, air-conditioner is opened the air-supply and the dehumidification module of air-conditioner; Moving the refrigeration mode of opening air-conditioner behind second Preset Time, why set the running time of dehumidification module, is because when dehumidification module moves; The discomforts such as can bringing headache to the people of blowing a cold wind over is for a long time felt; Preferably, setting second Preset Time is 30-40 minute, and second Preset Time is preferably 30 minutes or 35 minutes or 40 minutes; Optimum is 30 minutes, and after 30 minutes, air-conditioner freezes according to " T establishes and adds the 3rd preset temperature "; The running temperature of refrigeration mode is than big the 3rd preset temperature of setting of running temperature; So also can realize equal comfort requirement and reduce the operation energy consumption of air-conditioner, the 3rd preset temperature is the 1-2 degree, preferably; The 3rd preset temperature is 1 degree or 2 degree, and optimum is 1 degree.During less than preset relative humidity, air-conditioner moves according to normal mode at indoor relative humidity.
Fig. 5 is the contrast sketch map according to the indoor relative humidity of air-conditioner refrigeration control device of the present invention and air conditioning energy consumption; In this experiment, deciding operating mode is in the operation of air conditioner process, and indoor temperature humidity is constant, and variable working condition is the actual use of analog family, and process of refrigerastion is not regulated indoor operating mode, from figure, can draw as drawing a conclusion:
Indoor relative humidity is high more, and the power consumption of air-conditioning is high more, otherwise the power consumption of air-conditioning is low more; Therefore, under the low condition of relative humidity, the running refrigerating pattern can be energy-conservation.
Preferably, air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing comprises: the frequency changer of air-conditioner dehumidifies according to the predeterminated frequency operation, and wherein, predeterminated frequency is greater than the conventional operation frequency of air-conditioner frequency changer; And after the frequency changer of air-conditioner continued the 3rd Preset Time according to the predeterminated frequency operation, air-conditioner freezed according to the 4th temperature, and wherein, the 4th temperature adds the 4th preset temperature for user's design temperature.
In this embodiment; If air-conditioner contains frequency changer, when detecting indoor relative humidity greater than preset relative humidity, air-conditioner improves the frequency of frequency converter; The operation of selection ultra-high frequency; The 3rd Preset Time is 20-30 minute, is preferably 20 or 25 or 30 minutes, and the 4th preset temperature is preferably 1 degree or 2 degree for the 1-2 degree.The air-conditioner frequency changer was according to ultra-high frequency operation 20 or 25 or 30 minutes; Optimum is 20 minutes; Just can arrive the relative humidity requirement this moment; Then according to " T establish+1 " or " T establish+2 " operation, when detecting indoor relative humidity and be lower than preset relative humidity, air-conditioning moves according to the conventional operation frequency.Preset relative humidity in the present embodiment is 45%-55%, is preferably 45% or 50% or 55%, and optimum is 50%.
Fig. 6 is the contrast sketch map according to the indoor relative humidity of air-conditioner refrigeration control device of the present invention and air-conditioning leaving air temp; In this experiment; Deciding operating mode is the operation of air conditioner process, and indoor temperature humidity is constant, the actual use of variable working condition analog family; Process of refrigerastion is not regulated indoor operating mode, from figure, can draw as drawing a conclusion:
No matter working condition is still decided in variable working condition, and indoor relative humidity is low more, and the leaving air temp of air-conditioning is low more, and air-conditioner temperature is low more, otherwise air-conditioner temperature is high more; Differ in relative humidity under 15% the condition; The air-out temperature difference that has 3 degree at least; Therefore, dehumidify the earlier running temperature of back solutions for refrigeration and the temperature difference that the air-conditioning design temperature can improve the 1-2 degree at least can be energy-conservation with the temperature operation that this design temperature is high; That is to say that after air-conditioning is accomplished with " T establishes-3 " or " T establishes-2 " mode operation earlier mode operation can be energy-conservation with " T establish+1 " or " T establish+2 " again.
Fig. 7 is the flow chart according to first preferred embodiment of air-conditioner refrigeration control method of the present invention, and is as shown in Figure 4, and the air-conditioner refrigeration control method step of this embodiment is following:
Whether detect indoor relative humidity greater than 50%.
When indoor relative humidity less than 50% the time, air-conditioner freezes according to the temperature of " T establish+1 ", fan places high wind shelves or air-conditioner to move according to normal mode.
When indoor relative humidity greater than 50% the time, whether judge " T establishes-3 " greater than 16 degree, promptly whether greater than the minimum temperature of air-conditioner.
When spending less than 16, air-conditioner moves according to normal mode when " T establishes-3 ".
When " T establishes-3 " when spending more than or equal to 16, air-conditioner carries out refrigerated dehumidification according to the temperature of " T establishes-3 ".
When air-conditioner when " T establishes-3 " temperature was freezed discontented 30 minutes, return first step, whether detect indoor relative humidity greater than 50%.
When air-conditioner after " T establishes-3 " temperature was freezed 30 minutes, air-conditioner freezes according to the temperature of " T establish+1 ", and fan is placed high wind shelves.
From above description; Can find out that the embodiment of the invention has realized following technique effect: air-conditioner at first detects indoor relative humidity when refrigeration, when indoor relative humidity is big; Take the dehumidifying measure; Avoid air-conditioner under the wet cooling condition condition, to move, and then avoid the waste of air-conditioner energy consumption, unstable properties and environmental pollution etc., practiced thrift the air-conditioner energy consumption.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (22)
1. the refrigeration control method of an air-conditioner is characterized in that comprising:
Said air-conditioner detects indoor relative humidity after the user opens refrigeration mode;
Said air-conditioner judges that whether said indoor relative humidity is greater than preset relative humidity; And
During greater than said preset relative humidity, said air-conditioner carries out dehumidification treatments at said indoor relative humidity.
2. the refrigeration control method of air-conditioner according to claim 1 is characterized in that, during greater than said preset relative humidity, said air-conditioner carries out dehumidification treatments and the processing of freezing simultaneously at said indoor relative humidity.
3. the refrigeration control method of air-conditioner according to claim 2 is characterized in that, said air-conditioner carries out dehumidification treatments and freeze simultaneously to handle comprising:
Said air-conditioner freezes according to first temperature and dehumidifies, and wherein, said first temperature deducts first preset temperature for user's design temperature; And
After said air-conditioner continued first Preset Time according to said first temperature refrigeration, said air-conditioner freezed according to second temperature, and wherein, said second temperature is that said user's design temperature adds second preset temperature.
4. the refrigeration control method of air-conditioner according to claim 3 is characterized in that, said first preset temperature is the 2-3 degree; Said first Preset Time is 30-40 minute; And said second preset temperature is the 1-2 degree.
5. the refrigeration control method of air-conditioner according to claim 3 is characterized in that, said first preset temperature is 3 degree; Said first Preset Time is 40 minutes; And said second preset temperature is 1 degree.
6. the refrigeration control method of air-conditioner according to claim 1 is characterized in that, during greater than said preset relative humidity, said air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing at said indoor relative humidity.
7. the refrigeration control method of air-conditioner according to claim 6 is characterized in that, said air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing comprises:
Said air-conditioner carries out dehumidification treatments earlier, after said indoor relative humidity is less than said preset relative humidity, and the processing of freezing again.
8. the refrigeration control method of air-conditioner according to claim 6 is characterized in that, said air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing comprises:
Said air-conditioner operation dehydrating unit dehumidifies; And
After said air-conditioner operation dehydrating unit continued second Preset Time, said air-conditioner freezed according to the 3rd temperature, and wherein, said the 3rd temperature is that said user's design temperature adds the 3rd preset temperature.
9. the refrigeration control method of air-conditioner according to claim 8 is characterized in that, said second Preset Time is 30-40 minute; Said the 3rd preset temperature is the 1-2 degree.
10. the refrigeration control method of air-conditioner according to claim 8 is characterized in that, said second Preset Time is 30 minutes; Said the 3rd preset temperature is 1 degree.
11. the refrigeration control method of air-conditioner according to claim 6 is characterized in that, said air-conditioner carries out dehumidification treatments earlier, and then the processing of freezing also comprises:
After the frequency changer of said air-conditioner continued the 3rd Preset Time according to said predeterminated frequency operation, said air-conditioner freezed according to the 4th temperature, and wherein, said the 4th temperature is that said user's design temperature adds the 4th preset temperature.
12. the refrigeration control method of air-conditioner according to claim 11 is characterized in that, said predeterminated frequency is greater than the conventional operation frequency of said air-conditioner frequency changer; Said the 3rd Preset Time is 20-30 minute; And said the 4th preset temperature is the 1-2 degree.
13. the refrigeration control method of air-conditioner according to claim 11 is characterized in that, said predeterminated frequency is greater than the conventional operation frequency of said air-conditioner frequency changer; Said the 3rd Preset Time is 20 minutes; And said the 4th preset temperature is 1 degree.
14., it is characterized in that said preset relative humidity is 45%-55% according to each described refrigeration control method of claim 1 to 13.
15., it is characterized in that said preset relative humidity is 50% according to each described refrigeration control method of claim 1 to 13.
16. the refrigeration control device of an air-conditioner is characterized in that comprising:
Detection module is used for after the user opens refrigeration mode, detects indoor relative humidity;
Judge module is used to judge that whether said indoor relative humidity is greater than preset relative humidity; And
Control module is used for, controlling said air-conditioner and carrying out dehumidification treatments during greater than said preset relative humidity at said indoor relative humidity.
17. the refrigeration control device of air-conditioner according to claim 16 is characterized in that, said control module is used at said indoor relative humidity during greater than said preset relative humidity, controls that said air-conditioner carries out dehumidification treatments and the processing of freezing simultaneously.
18. the refrigeration control device of air-conditioner according to claim 17 is characterized in that, said control module comprises:
The first control submodule is used to control said air-conditioner according to first temperature refrigeration and dehumidify, and wherein, said first temperature deducts first preset temperature for user's design temperature; And
The second control submodule is used for when said air-conditioner continues first Preset Time according to said first temperature refrigeration, controlling said air-conditioner and freezing according to second temperature, and wherein, said second temperature is that said user's design temperature adds second preset temperature.
19. the refrigeration control device of air-conditioner according to claim 16; It is characterized in that; Said control module is used for, controlling said air-conditioner and carrying out dehumidification treatments earlier during greater than said preset relative humidity at said indoor relative humidity, and then the processing of freezing.
20. the refrigeration control device of air-conditioner according to claim 19 is characterized in that, also comprises: dehumidification module, be connected with said control module, be used for said air-conditioner is dehumidified, wherein, said control module comprises:
The 3rd control submodule is used to control said dehumidification module and dehumidifies; And
The 4th control submodule is used for when said air-conditioner moves lasting second Preset Time of said dehumidification module, controlling said air-conditioner and freezing according to the 3rd temperature, and wherein, said the 3rd temperature is that said user's design temperature adds the 3rd preset temperature.
21. the refrigeration control device of air-conditioner according to claim 19 is characterized in that, said control module comprises:
The 5th control submodule, the frequency changer that is used to control said air-conditioner dehumidifies according to the predeterminated frequency operation, and wherein, said predeterminated frequency is greater than the conventional operation frequency; And
The 6th control submodule; Be used for when the frequency changer of said air-conditioner continues the 3rd Preset Time according to said predeterminated frequency operation; Control said air-conditioner and freeze according to the 4th temperature, wherein, said the 4th temperature is that said user's design temperature adds the 4th preset temperature.
22. an air-conditioner is characterized in that, comprises the refrigeration control device of each described air-conditioner in the claim 16 to 21.
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| CN201110164520.2A CN102809202B (en) | 2011-05-31 | 2011-06-17 | Air conditioner and refrigeration control method and device thereof |
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| CN201110164520.2A CN102809202B (en) | 2011-05-31 | 2011-06-17 | Air conditioner and refrigeration control method and device thereof |
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