CN110131851A

CN110131851A - A kind of control method of convertible frequency air-conditioner, device and air conditioner

Info

Publication number: CN110131851A
Application number: CN201910376101.1A
Authority: CN
Inventors: 李海利; 秦宪; 左泽明
Original assignee: Ningbo Aux Electric Co Ltd
Current assignee: Ningbo Aux Electric Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2019-08-16
Anticipated expiration: 2039-05-07
Also published as: CN110131851B

Abstract

The present invention provides a kind of control method of convertible frequency air-conditioner, device and air conditioners, are related to air conditioner technical field, and the control method of the convertible frequency air-conditioner includes: to obtain the conversion instruction of indoor fan wind speed；According to the operational mode of air conditioner, the difference DELTA T of indoor environment temperature TA and set temperature TS, judge whether the unlocking condition for meeting compressor operating frequency modification model；If meeting the unlocking condition of the compressor operating frequency modification model, it is modified according to running frequency of the operational mode of the air conditioner to the compressor.The control method of convertible frequency air-conditioner provided by the invention, it is modified according to running frequency of the operational mode of air conditioner to compressor, optimize the control to compressor operating frequency, reach runing time required for the room temperature of user demand on the one hand shorten, improves the comfort that user uses；On the other hand, it avoids refrigeration, the heating capacity of air conditioner superfluous, reaches energy-saving and environment-friendly purpose.

Description

A kind of control method of convertible frequency air-conditioner, device and air conditioner

Technical field

The present invention relates to air-conditioning technical fields, in particular to a kind of control method of convertible frequency air-conditioner, device and air-conditioning Device.

Background technique

With the development of science and technology with improvement of living standard, people for air conditioner comfort, intelligence requirement it is more next It is higher；Current air conditioner, after wind file of the user to indoor fan switches over, compressor is still transported with original running frequency Row causes the refrigeration of air conditioner, heating capacity superfluous, and energy-saving effect is poor.

It can be seen that needing to develop a kind of air-conditioner control method for improving air conditioner energy-saving effect.

Summary of the invention

Problems solved by the invention is that the energy-saving effect of current air conditioner is poor.

To solve the above problems, the present invention provides a kind of control method of convertible frequency air-conditioner, comprising:

Obtain the conversion instruction of indoor fan wind speed；

According to the operational mode of air conditioner, the difference DELTA T of indoor environment temperature TA and set temperature TS, judge whether to meet The unlocking condition of compressor operating frequency modification model；

If meeting the unlocking condition of the compressor operating frequency modification model, according to the operational mode pair of the air conditioner The running frequency of the compressor is modified.

The control method of convertible frequency air-conditioner provided by the invention, by the operational mode of air conditioner, indoor environment temperature TA with The difference DELTA T of set temperature TS judges whether to need to be modified the running frequency of compressor, is determining to need to compressor Running frequency when being modified, be further modified according to running frequency of the operational mode of air conditioner to compressor, it is excellent Change the control to compressor operating frequency, thus when on the one hand shortening operation required for the room temperature for reaching user demand Between, improve the comfort that user uses；On the other hand, it avoids refrigeration, the heating capacity of air conditioner superfluous, reaches energy-saving and environment-friendly Purpose.

Further, the operational mode according to air conditioner, the difference DELTA of indoor environment temperature TA and set temperature TS T judges whether that the unlocking condition for meeting compressor operating frequency modification model includes:

Obtain the operational mode of air conditioner；

If the operational mode of the air conditioner is refrigeration mode, the indoor environment temperature TA and the set temperature are judged Whether the difference DELTA T of TS is not more than 0；

If the difference DELTA T of the indoor environment temperature TA and set temperature TS is not more than 0, judgement meets the pressure The unlocking condition of contracting machine running frequency modification model；

If the operational mode of the air conditioner is heating mode, the indoor environment temperature TA and the set temperature are judged Whether the difference DELTA T of TS is not less than 0；

If the difference DELTA T of the indoor environment temperature TA and set temperature TS is not less than 0, judgement meets the pressure The unlocking condition of contracting machine running frequency modification model.

The control method of convertible frequency air-conditioner provided by the invention, by under different operational modes, respectively to indoor environment temperature Degree is compared with set temperature, judges whether current indoor environment temperature reaches demand of the user to temperature, according to judgement As a result it determines the need for being modified compressor operating frequency, so that more to the amendment of compressor operating frequency Targetedly, it on the one hand avoids refrigeration, the heating capacity of air conditioner superfluous, reaches energy-saving and environment-friendly purpose；On the other hand, it avoids Because air conditioner ran the demand that long-time reaches user, so that user is felt that the temperature of air conditioner is adjusted not enough influences use rapidly The comfort that family uses.

Further, the operational mode according to the air conditioner is modified packet to the running frequency of the compressor It includes:

If the operational mode of the air conditioner is refrigeration mode, according to outdoor environment temperature TR and the wind speed of indoor fan The running frequency of the compressor is modified；

If the operational mode of the air conditioner is heating mode, according to indoor coil pipe to the operation frequency of the compressor Rate is modified.

The control method of convertible frequency air-conditioner provided by the invention, according to air conditioner in the operation different under heating mode of freezing Feature is respectively modified the running frequency of compressor, is adjusted with the cooling or heating capacity to air conditioner, so that adjusting Demand of refrigeration, heating capacity and the user of air conditioner after whole currently to refrigeration, heating matches, so that optimization is to compressor The control of running frequency.

Further, it is described according to the wind speed of outdoor environment temperature TR and indoor fan to the operation of compressor frequency Rate, which is modified, includes:

Obtain the outdoor environment temperature TR of current state；

Judge the outdoor environment temperature TR of current state whether less than the second refrigeration frequency limit outdoor environment temperature TLc2；

If the outdoor environment temperature TR of current state is less than the second refrigeration frequency limit outdoor environment temperature TLc2, obtain Take the refrigeration target operating frequency FLc of the compressor under the outdoor environment temperature TR；

Obtain the indoor fan wind speed of current state；

If the indoor fan wind speed of current state is middling speed wind, the operation maximum frequency of the compressor is set as The first ratio of the refrigeration target operating frequency FLc；

If the indoor fan wind speed of current state is low velocity wind, the operation maximum frequency of the compressor is set as The second ratio of the refrigeration target operating frequency FLc；

If the indoor fan wind speed of current state is mute wind, the operation maximum frequency of the compressor is set as The third ratio of the refrigeration target operating frequency FLc.

The control method of convertible frequency air-conditioner provided by the invention, in cooling mode, the indoor fan after being converted according to wind speed Wind speed judge demand of the air conditioner user to refrigeration, the demand further according to user to refrigeration carries out the running frequency of compressor Amendment, is modified with the refrigerating capacity to air conditioner, is relaxed so that air conditioner adjusted can satisfy user to refrigeration While the demand of adaptive, energy-saving purpose is taken into account.

Further, the operational mode according to the air conditioner is modified the running frequency of the compressor, If the operational mode of the air conditioner is refrigeration mode, according to the wind speed of outdoor environment temperature TR and indoor fan to the pressure After the running frequency of contracting machine is modified, further includes: judged according to the wind speed of the outdoor environment temperature TR and indoor fan Whether compressor operating frequency modification model exit criteria is met, if meeting the compressor operating frequency modification model exits item Part then exits compressor operating frequency modification model.

The control method of convertible frequency air-conditioner provided by the invention continues pair after the running frequency to compressor is modified The refrigeration demand of user judges, according to the refrigeration demand of user judge whether to need to continue to the running frequency of compressor into Row amendment then exits compressor operating frequency modification model when determining not needing to be modified the running frequency of compressor, Air conditioner operates normally.

Further, the wind speed according to the outdoor environment temperature TR and indoor fan judges whether to meet compression Machine running frequency modification model exit criteria includes:

Judge whether the outdoor environment temperature TR is not less than to preset and exits temperature TE；

If the outdoor environment temperature TR exits temperature TE not less than described preset, the current wind of the indoor fan is judged Whether speed is mute wind；

If the current wind speed of the indoor fan is not mute wind, the compressor operating frequency modification model is exited.

The control method of convertible frequency air-conditioner provided by the invention, after the running frequency to compressor is modified, further Whether meet compressor operating frequency modification model exit criteria according to the wind speed of outdoor environment temperature and indoor fan, is sentencing It is disconnected when meeting compressor operating frequency modification model exit criteria, compressor operating frequency modification model is exited, to optimize to pressure The control of contracting machine running frequency, so that the running frequency of compressor is more in line with the demand of user.

It is further, described that judge whether the outdoor environment temperature TR is not less than the default temperature TE that exits include: judgement Whether the outdoor environment temperature TR is not less than TLc2+2.

The control method of convertible frequency air-conditioner provided by the invention is set as TLc2+ by will preset the value for exiting temperature TE 2, the fluctuation of compressor operating frequency is reduced, the stability of air conditioner operation is improved, is used on the one hand be conducive to improve On the other hand family comforts of use are conducive to extend the service life of air conditioner.

Further, described be modified according to running frequency of the indoor coil pipe to the compressor includes:

The indoor coil pipe is obtained, judges default coil temperature range locating for the indoor coil pipe；

If the indoor coil pipe be greater than the first default coil temperature, according to current outdoor environment temperature TR with work as Preceding indoor fan wind speed is modified the running frequency of the compressor；

If the indoor coil pipe be not more than the second default coil temperature, not to the running frequency of the compressor into Row amendment；

If the indoor coil pipe is greater than the described second default coil temperature, and is not more than the described first default coil pipe temperature Degree, then be modified the running frequency of the compressor according to the indoor coil pipe of laststate.

The control method of convertible frequency air-conditioner provided by the invention, when air conditioner is run with heating mode, according to indoor coil Temperature judges demand of the user to heating capacity, is modified further according to the demand of user to the running frequency of compressor, with right The heating capacity of air conditioner is modified, so that air conditioner adjusted can satisfy demand of the user to heating comfort While, take into account energy-saving purpose.

Further, the current outdoor environment temperature of the basis and current indoor fan wind speed are to the compressor Running frequency, which is modified, includes:

Obtain the current outdoor environment temperature TR；

Obtain the heating target operating frequency FHc of the compressor under the current outdoor environment temperature TR；

Obtain the current indoor fan wind speed；

If the current indoor fan wind speed is middling speed wind, the operation maximum frequency of the compressor is set as described The 4th ratio of the heating target operating frequency FHc of the compressor under current outdoor environment temperature TR；

If the current indoor fan wind speed is low velocity wind, the operation maximum frequency of the compressor is set as described The 5th ratio of the heating target operating frequency FHc of the compressor under current outdoor environment temperature TR；

If the current indoor fan wind speed is mute wind, the operation maximum frequency of the compressor is set as described The 6th ratio of the heating target operating frequency FHc of the compressor under current outdoor environment temperature TR.

The control method of convertible frequency air-conditioner provided by the invention judges user to heating capacity according to the wind speed of indoor fan Demand, demand according further to user to heating capacity are modified the running frequency of compressor, so that after amendment Air conditioner heating capacity can the demand with user to heating capacity match, to improve to the running frequency of compressor The accuracy controlled, so that improves customer satisfaction is same meeting user to heating time, heating comfort demand When, it avoids heating capacity superfluous, achievees the effect that energy-saving.

Another object of the present invention is to provide a kind of control devices of convertible frequency air-conditioner, comprising:

Indoor fan, for blowing to interior；

Indoor environment temperature sensor, for detecting indoor environment temperature TA；

Control module, for obtaining the wind speed conversion instruction of the indoor fan, the operational mode of air conditioner, air conditioner Set temperature TS；The control module and the indoor fan, the indoor environment temperature sensor communicate to connect；

The control module is also used to control the operation of the air conditioner according to the control method of above-mentioned convertible frequency air-conditioner.

The control method of the control device of the convertible frequency air-conditioner and above-mentioned convertible frequency air-conditioner is possessed compared with the existing technology Advantage is identical, and details are not described herein.

Another object of the present invention is to provide a kind of air conditioner, the air conditioner includes the control of above-mentioned convertible frequency air-conditioner Device.

Possessed advantage is identical compared with the existing technology with the control device of above-mentioned convertible frequency air-conditioner for the air conditioner, herein It repeats no more.

Detailed description of the invention

Fig. 1 is the general flow chart of the control method of convertible frequency air-conditioner described in the embodiment of the present invention；

Fig. 2 is to judge whether the stream for meeting compressor operating frequency modification model unlocking condition described in the embodiment of the present invention Journey schematic diagram；

Fig. 3 is to be modified according to the operational mode of air conditioner to the running frequency of compressor described in the embodiment of the present invention General flow chart；

Fig. 4 is according to the wind speed of outdoor environment temperature TR and indoor fan described in the embodiment of the present invention to compressor The general flow chart that running frequency is modified；

Fig. 5 is different outdoor environment temperatures contracting mechanism cold highest run-limiting frequencies described in the embodiment of the present invention Referring to figure；

Fig. 6 for described in the embodiment of the present invention according to current outdoor environment temperature and current indoor fan wind speed to institute State the general flow chart that the running frequency of compressor is modified；

Fig. 7 is the different hot highest run-limiting frequencies of outdoor environment temperatures contracting mechanism described in the embodiment of the present invention Referring to figure.

Specific embodiment

To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.

Environment temperature reaches temperature set by user indoors, when meeting hot and cold demand set by user, if indoor ring Border temperature is not able to satisfy demand of the user to hot and cold still, needs gear or adjustment set temperature by switching indoor fan To adjust hot and cold demand；When user is by the gear of switching indoor fan, i.e. the wind speed of conversion indoor fan comes to hot and cold need It asks when being adjusted, after the wind speed conversion of indoor fan, the running frequency of compressor leads to indoor wind without correcting accordingly After the wind speed of machine is turned down, compressor still with the operation of higher frequency, on the one hand causes the refrigeration of air conditioner, heating capacity superfluous, On the other hand difference is little before causing sendible temperature to be converted with indoor fan wind speed, influences the comfort of air conditioner user.

It is led to solve the running frequency of compressor after current air conditioner chamber's inner blower wind speed is converted without accordingly adjusting The problem of energy saving difference is caused, the present invention provides a kind of control method of convertible frequency air-conditioner, shown in Figure 1, the control of the convertible frequency air-conditioner Method processed includes:

S1: the conversion instruction of indoor fan wind speed is obtained；

S2: the operational mode of air conditioner is obtained；

S3: obtaining indoor environment temperature TA and set temperature TS, calculates the difference of indoor environment temperature TA and set temperature TS It is worth Δ T；

S4: according to the operational mode of air conditioner, the difference DELTA T of indoor environment temperature TA and set temperature TS, judge whether Meet the unlocking condition of compressor operating frequency modification model；If meeting the unlocking condition of compressor operating frequency modification model, S5 is entered step, S6 is otherwise entered step；

S5: it is modified according to running frequency of the operational mode of air conditioner to compressor；

S6: air conditioner operates normally.

When getting air conditioner chamber's inner blower wind speed conversion instruction, to avoid running frequency and the wind speed of compressor from converting The temperature adjustment demand of user afterwards mismatches, according to the operational mode of air conditioner and indoor environment temperature TA and set temperature The difference DELTA T of TS judges the difference of the room temperature of current room temperature and user demand, so that judgement reaches user demand Indoor environment temperature required for cooling or heating capacity, further judged according to required cooling or heating capacity be It is no to need to be modified the running frequency of compressor, that is, judge whether the open strip for meeting compressor operating frequency modification model Part；If it is determined that meeting the unlocking condition of compressor operating frequency modification model, then further according to the operational mode of air conditioner The running frequency of compressor is modified, so that the running frequency of revised compressor and the indoor ring for reaching user demand Cooling or heating capacity required for the temperature of border matches, and optimizes the control method to the running frequency of compressor, thus a side Reduction of area is short to reach runing time required for the room temperature of user demand, improves the comfort that user uses；On the other hand, it keeps away Refrigeration, the heating capacity for exempting from air conditioner are superfluous, reach energy-saving and environment-friendly purpose.

It is shown in Figure 2, according to the operational mode of air conditioner, the difference of indoor environment temperature TA and set temperature TS, sentence The disconnected unlocking condition for whether meeting compressor operating frequency modification model includes:

S41: obtaining the operational mode of air conditioner, judges whether the operational mode of air conditioner is refrigeration mode, if air conditioner Operational mode be refrigeration mode, enter step S42, otherwise enter step S43；

S42: judge whether indoor environment temperature TA and the difference DELTA T of set temperature TS are not more than 0；If indoor environment temperature The difference DELTA T of TA and set temperature TS is not more than 0, then enters step S45, otherwise enter step S46；

S43: whether the operational mode for judging air conditioner is heating mode；If the operational mode of air conditioner is heating mode, S44 is entered step, S46 is otherwise entered step；

S44: judge whether indoor environment temperature TA and the difference of set temperature TS are not less than 0；If indoor environment temperature TA It is not less than with the difference of set temperature TS in 0, then enters step S45, otherwise enter step S46；

S45: determine the unlocking condition for meeting compressor operating frequency modification model；

S46: determine the unlocking condition for being unsatisfactory for compressor operating frequency modification model.

When the operational mode of air conditioner is refrigeration mode, if the difference DELTA T of indoor environment temperature TA and set temperature TS No more than 0, i.e. Δ T=TA-TS≤0, indoor environment temperature TA is not higher than set temperature TS at this time, to prove indoor ring at this time Border temperature TA has met the refrigeration demand of user, need to be to the running frequency of compressor to avoid the refrigerating capacity of air conditioner superfluous It is modified, therefore, determines the unlocking condition for meeting compressor operating frequency modification model.On the contrary, if indoor environment temperature The difference DELTA T of TA and set temperature TS is greater than 0, i.e. Δ T=TA-TS > 0, indoor environment temperature TA is still higher than set temperature at this time TS, to prove that indoor environment temperature TA does not meet the refrigeration demand of user also at this time, when to avoid running too long because of air conditioner Between reach the demand of user, so that user is felt that the refrigeration of air conditioner adjusts not rapid enough and influences the comfort that user uses, no The running frequency of compressor need to be modified, so that indoor environment temperature can be adjusted to set temperature as early as possible by air conditioner, Therefore, it is determined that being unsatisfactory for the unlocking condition of compressor operating frequency modification model, compressor operating frequency is not modified.

When the operational mode of air conditioner is heating mode, if the difference DELTA T of indoor environment temperature TA and set temperature TS Not less than in 0, i.e. Δ T=TA-TS >=0, indoor environment temperature TA is not less than set temperature TS at this time, to prove indoor at this time Environment temperature TA has met the heating needs of user, need to operation frequency to compressor to avoid the heating capacity of air conditioner superfluous Rate is modified, and therefore, determines the unlocking condition for meeting compressor operating frequency modification model.On the contrary, if indoor environment temperature The difference DELTA T of TA and set temperature TS are spent less than 0, i.e. Δ T=TA-TS < 0, indoor environment temperature TA is still below setting temperature at this time TS is spent, thus prove that indoor environment temperature TA does not meet the heating needs of user also at this time, it is too long to avoid running because of air conditioner Time reaches the demand of user, and so that user is felt that the heating of air conditioner is adjusted not enough influences the comfort that user uses rapidly, It is not required to be modified the running frequency of compressor, so that indoor environment temperature can be adjusted to setting temperature as early as possible by air conditioner Degree, therefore, it is determined that being unsatisfactory for the unlocking condition of compressor operating frequency modification model, is not modified compressor operating frequency.

After determining to meet the unlocking condition of compressor operating frequency modification model, according to air conditioner under different operational modes The different characteristics of operation is respectively adopted different methods and is modified to the running frequency of compressor；Wherein, if air conditioner Operational mode is refrigeration mode, then judges that current state air conditioner is used according to the wind speed of outdoor environment temperature TR and indoor fan Demand of the family to refrigeration is corrected further according to running frequency of the demand to compressor, accordingly by compressor Running frequency is modified to adjust the refrigerating capacity of air conditioner, so that the refrigerating capacity of revised air conditioner and current system Cold demand matches；If the operational mode of air conditioner is heating mode, according to indoor coil pipe, the wind speed of indoor fan Judge demand of the current state air conditioner user to heating, is repaired accordingly further according to running frequency of the demand to compressor Just, the heating capacity of air conditioner is adjusted to be modified by the running frequency to compressor, so that revised air conditioner Heating capacity match with current heating needs.Unless otherwise instructed, the wind speed of indoor fan herein refers to conversion The wind speed of indoor fan afterwards；Since the conversion instruction of blower wind speed is issued by air conditioner user, pass through the wind after conversion Speed come judge air conditioner user to refrigeration, heating demand, the actual needs that judging result is more close to the users, more accurately.

Specifically, it is shown in Figure 3, packet is modified according to running frequency of the operational mode of air conditioner to compressor It includes:

S51: whether the operational mode for judging air conditioner is refrigeration mode, if the operational mode of air conditioner is refrigeration mode, S52 is then entered step, S54 is otherwise entered step；

S52: it is modified according to running frequency of the wind speed of outdoor environment temperature TR and indoor fan to compressor；

S54: the running frequency of compressor is modified according to the wind speed of indoor coil pipe, indoor fan.

Control method due to convertible frequency air-conditioner provided by the invention is determining to meet compressor operating frequency modification model After unlocking condition, then the running frequency of compressor is adjusted, and meets compressor operating frequency modification model unlocking condition Operational mode include refrigeration mode and heating mode, therefore, according to the operational mode of air conditioner to the running frequency of compressor When being modified, if the operational mode of air conditioner is not refrigeration mode, operational mode is heating mode；Therefore, determining When the operational mode of air conditioner is not refrigeration mode, according to indoor coil pipe, operation of the wind speed to compressor of indoor fan Frequency is modified.

It is shown in Figure 4 wherein when the operational mode of air conditioner is refrigeration mode, according to outdoor environment temperature TR and The wind speed of indoor fan is modified the running frequency of compressor

S521: the outdoor environment temperature TR of current state is obtained；The outdoor environment temperature TR of current state and second is made Whether cold frequency limit outdoor environment temperature TLc2 is compared, judge the outdoor environment temperature TR of current state less than the second refrigeration limit Frequency outdoor environment temperature TLc2；If the outdoor environment temperature TR of current state is less than the second refrigeration frequency limit outdoor environment temperature TLc2 then enters step S522, otherwise enters step S6；

S522: the refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR is obtained；

S523: obtaining the indoor fan wind speed of current state, judges whether the indoor fan wind speed of current state is high speed Wind；If the indoor fan wind speed of current state is high speed winds, S6 is entered step, S524 is otherwise entered step；

S524: whether the indoor fan wind speed for judging current state is middling speed wind, if the indoor fan wind speed of current state For middling speed wind, then S525 is entered step, S526 is otherwise entered step；

S525: the operation maximum frequency of compressor is set as to the first ratio of refrigeration target operating frequency FLc；

S526: whether the indoor fan wind speed for judging current state is low velocity wind, if the indoor fan wind speed of current state For low velocity wind, then S527 is entered step, S528 is otherwise entered step；

S527: the operation maximum frequency of compressor is set as to the second ratio of refrigeration target operating frequency FLc；

S528: the operation maximum frequency of compressor is set as to the third ratio of refrigeration target operating frequency FLc.

Wherein the second refrigeration frequency limit outdoor environment temperature TLc2 is the fortune needed when running in cooling mode to compressor The upper limit value that line frequency is modified, i.e., when outdoor environment temperature TR be not less than when the temperature value, judge outdoor environment temperature It is excessively high, to reach preferable refrigeration effect, do not need to be modified the running frequency of compressor；It relaxes for what raising user used Appropriate, the value range of the second refrigeration frequency limit outdoor environment temperature TLc2 is [46,48] DEG C in the present invention；Work as outdoor environment temperature TR is lower than when the temperature value, obtains the refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR；Wherein outdoor ring The refrigeration target operating frequency FLc of compressor is the fortune of compressor before being modified to the running frequency of compressor under the temperature TR of border Line frequency；According further to the wind speed of indoor fan under current state, i.e. wind speed after conversion, determine how to compressor Running frequency is modified.

By the way that the comparison to the refrigeration of outdoor environment temperature TR and second frequency limit outdoor environment temperature TLc2 is added, avoid in room External environment temperature TR is still modified the running frequency of compressor when being more than the second refrigeration frequency limit outdoor environment temperature TLc2 And the refrigerating capacity of air conditioner is influenced, to influence the comfort that user uses.

Specifically, being that the refrigerating capacity of air conditioner is enabled to take into account the comfort and power conservation requirement that user uses, root It is under TR=TLc2 according to operating condition on the outside of simulation installation laboratory, indoor fan is respectively with middling speed wind, low velocity wind and mute wind fortune When row, room temperature is able to maintain that the analogue value of human comfort's temperature T0 state, preferentially guarantees comfort, according to indoor fan Wind speed from high in the end, is successively according to the method described above modified the running frequency of compressor.Wherein the first ratio, the second ratio Rate, third ratio numerical value successively reduce, preferably, the numerical value point of the first ratio in the present invention, the second ratio, third ratio It Wei 90%, 70%, 50%.Human comfort's temperature T0 preferred scope is [24,26] DEG C in the present invention.

It is provided by the invention according to the wind speed of outdoor environment temperature TR and indoor fan to the running frequency of compressor into The modified method of row, in cooling mode, the wind speed of the indoor fan after being converted according to wind speed judges air conditioner user to refrigeration Demand, the demand further according to user to refrigeration is modified the running frequency of compressor, with the refrigerating capacity to air conditioner It is modified, so that taking into account energy conservation while air conditioner adjusted can satisfy demand of the user to refrigeration comfort The purpose of consumption reduction.

When being modified according to running frequency of the wind speed of outdoor environment temperature TR and indoor fan to compressor, need Obtain the refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR；Specifically, obtaining outdoor environment temperature in the present invention The refrigeration target operating frequency FLc of compressor includes: under spending

S5231: the refrigeration highest run-limiting frequency FCH of compressor under outdoor environment temperature TR is obtained；

S5232: obtaining indoor environment temperature TA, set temperature TS, calculates indoor environment temperature TA's and set temperature TS Difference DELTA T, judges whether indoor environment temperature TA and the difference DELTA T of set temperature TS are not less than the first preset difference value, if indoor The difference DELTA T of environment temperature TA and set temperature TS then enters step S5233 not less than the first preset difference value, otherwise enters step S5234；

S5233: determine that the refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR is outdoor environment temperature TR The refrigeration highest run-limiting frequency FCH of lower compressor；

S5234: judging whether indoor environment temperature TA and the difference DELTA T of set temperature TS are greater than the second preset difference value, if The difference DELTA T of indoor environment temperature TA and set temperature TS is greater than the second preset difference value, then enters step S5235, otherwise enter Step S5236；

S5235: determine the refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR according to indoor environment temperature The refrigeration highest run-limiting frequency FCH of compressor, compression under difference DELTA T, the outdoor environment temperature TR of TA and set temperature TS The refrigeration minimum operation limit frequency FL of machine is calculated according to following formula:

FLc=﹛ (Δ T+1) * (FCH-FL)/4 ﹜+FL；

S5236: judging whether indoor environment temperature TA and the difference DELTA T of set temperature TS are greater than third preset difference value, if The difference DELTA T of indoor environment temperature TA and set temperature TS is greater than third preset difference value, then enters step S5237, otherwise enter Step S5239；

S5237: obtaining the continuous running time of compressor, judges whether the continuous running time of compressor reaches default fortune Row duration；If the not up to default operation duration of the continuous running time of compressor, enters step S5238, otherwise enters step S5239；

S5238: determine compressor under outdoor environment temperature TR refrigeration target operating frequency FLc be the refrigeration of compressor most Low run-limiting frequency FL；

S5239: determine that the refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR is 0.

Wherein the first preset difference value, the second preset difference value, third preset difference value, the equal root of specific value for presetting operation duration Depending on the concrete model and performance of compressor, the present invention preferably the first preset difference value is 3 DEG C, and the second preset difference value is -1 DEG C, Third preset difference value is -2 DEG C, and presetting operation duration is 1 hour；Obtain the refrigeration target fortune of compressor under outdoor environment temperature TR Line frequency FLc is referring to following formula:

The refrigeration minimum operation limit frequency FL of compressor is that air conditioner allows most when running refrigeration mode in the present invention Low running frequency is a fixed value, and the specific value of the fixed value is depending on the concrete model of compressor.

The present invention is according to indoor environment temperature TA and the difference DELTA T of set temperature TS and the duration of compressor continuous operation The refrigeration target operating frequency FLc of compressor under outdoor environment temperature TR is determined, so that the refrigeration target of the compressor determined Running frequency FLc matches with current refrigeration demand, thus optimize the value of the refrigeration target operating frequency FLc of compressor, Advanced optimize the running frequency of compressor.

The numerical value of the refrigeration highest run-limiting frequency FCH of compressor is related with the model of compressor in the present invention, specifically Depending on value temperature range locating for the outdoor environment temperature TR；Specifically, it is shown in Figure 5, obtain outdoor environment temperature The refrigeration highest run-limiting frequency FCH of compressor includes: under TR

S001: outdoor environment temperature TR is compared with the 4th refrigeration frequency limit outdoor environment temperature TLc4, judges outdoor Whether environment temperature TR is not more than the 4th refrigeration frequency limit outdoor environment temperature TLc4, if outdoor environment temperature TR is no more than the 4th system Cold frequency limit outdoor environment temperature TLc4, then enter step S002, otherwise enter step S003；

S002: determine that the refrigeration highest run-limiting frequency FCH of compressor under outdoor environment temperature TR is the of compressor Two refrigerating operaton limit frequency FCH2；

S003: outdoor environment temperature TR is compared with third refrigeration frequency limit outdoor environment temperature TLc3, judges outdoor Whether environment temperature TR is not more than third refrigeration frequency limit outdoor environment temperature TLc3, if outdoor environment temperature TR is not more than third system Cold frequency limit outdoor environment temperature TLc3, then enter step S004, otherwise enter step S005；

S004: the refrigeration highest run-limiting frequency FCH of compressor is according to the second of compressor under outdoor environment temperature TR Refrigerating operaton limit frequency FCH2, compressor highest refrigerating operaton limit frequency FCH0 calculated according to following formula:

FCH=(TR-TLc4) * (FCH0-FCH2)/(TLc3-TLc4)+FCH2；

S005: outdoor environment temperature TR is compared with the second refrigeration frequency limit outdoor environment temperature TLc2, judges outdoor Whether environment temperature TR is not more than the second refrigeration frequency limit outdoor environment temperature TLc2, if outdoor environment temperature TR is no more than the second system Cold frequency limit outdoor environment temperature TLc2, then enter step S006, otherwise enter step S007；

S006: determine the refrigeration highest run-limiting frequency FCH of compressor under outdoor environment temperature TR for compressor most High refrigerating operaton limit frequency FCH0；

S007: outdoor environment temperature TR is compared with the first refrigeration frequency limit outdoor environment temperature TLc1, judges outdoor Whether environment temperature TR is not more than the first refrigeration frequency limit outdoor environment temperature TLc1, if outdoor environment temperature TR is no more than the first system Cold frequency limit outdoor environment temperature TLc1, then enter step S008, otherwise enter step S009；

S008: the refrigeration highest run-limiting frequency FCH of compressor is according to the first of compressor under outdoor environment temperature TR Refrigerating operaton limit frequency FCH1, compressor highest refrigerating operaton limit frequency FCH0 calculated according to following formula:

FCH=(TR-TLc2) * (FCH1-FCH0)/(TLc1-TLc2)+FCH0；

S009: the refrigeration highest run-limiting frequency FCH of compressor is the first system of compressor under outdoor environment temperature TR Cold operation limit frequency FCH1.

Wherein the highest refrigerating operaton limit frequency FCH0 of compressor is the highest for allowing to reach in compressor operational process Frequency, specific value is depending on the model of compressor；The of first refrigerating operaton limit frequency FCH1 of compressor, compressor Two refrigerating operaton limit frequency FCH2 are the highest system of refrigeration minimum operation the limit frequency FL and compressor between compressor Running frequency between cold operation limit frequency FCH0, and the first refrigerating operaton limit frequency FCH1 is limited greater than the second refrigerating operaton Frequency FCH2 processed, i.e. FCH0 > FCH1 > FCH2 > FL；Refrigeration frequency limit outdoor environment temperature meets following relationship:

TLc4 < TLc3 < TLc2 < TLc1；

Wherein the value range of TLc4, TLc3, TLc2, TLc1 are set according to user demand；The preferred TLc2's of the present invention takes Range is [46,48] DEG C.

The present invention is by setting the refrigeration highest run-limiting frequency of compressor according to outdoor environment temperature, so that setting Compressor refrigeration highest run-limiting frequency and outdoor environment temperature be adapted, thus optimize compressor refrigeration highest fortune The value of row limit frequency advanced optimizes the running frequency of compressor.

Further to improve to the makeover process of compressor operating frequency, in the present invention according to outdoor environment temperature TR and The wind speed of indoor fan is modified the running frequency of compressor, if the operational mode of air conditioner is refrigeration mode, in basis After the wind speed of outdoor environment temperature TR and indoor fan is modified the running frequency of compressor further include:

S53: judge whether that meeting compressor operating frequency repairs according to the wind speed of outdoor environment temperature TR and indoor fan Holotype exit criteria enters step S6, otherwise enters step if meeting compressor operating frequency modification model exit criteria S52。

I.e. after the running frequency to compressor is modified, continue to obtain outdoor environment temperature TR and indoor fan Wind speed continues to judge the refrigeration demand of user according to the wind speed of outdoor environment temperature TR and indoor fan, according to The refrigeration demand at family judges whether to need to continue to be modified the running frequency of compressor, is determining not needing to compressor When running frequency is modified, then compressor operating frequency modification model is exited, air conditioner operates normally.

Specifically, judging whether to meet compressor operating frequency according to the wind speed of outdoor environment temperature TR and indoor fan Modification model exit criteria includes:

S531: outdoor environment temperature TR is exited temperature TE and be compared with default, whether judges outdoor environment temperature TR Temperature TE is exited not less than default；If outdoor environment temperature TR exits temperature TE not less than default, S532 is entered step, otherwise Enter step S52；

S532: whether the current wind speed for judging indoor fan is mute wind；If the current wind speed of indoor fan is not mute Wind then enters step S6, otherwise enters step S52.

When outdoor environment temperature TR not less than it is default exit temperature TE when, outdoor environment temperature is higher at this time for judgement, in room When the current wind speed of inner blower is not mute wind, to avoid the running frequency to compressor from constraining, air conditioner is caused to freeze Scarce capacity and influence the comfort that user uses, exit compressor operating frequency modification model, make compressor with normal target Frequency values operation；If the current wind speed of indoor fan is mute wind, because mute wind mode is that room temperature is able to maintain that human body The analogue value of comfort temperature T0 state, when the wind speed of indoor fan is mute wind, outer machine noise is affected to indoor sense of hearing, is It is preferential to guarantee quietness, thus not because outdoor environment temperature TR not less than it is default exit temperature TE due to exit compressor operating frequency and repair Holotype, avoids that compressor frequency is excessively high, sound is excessive and influences comfort.The value range of T0 of the present invention be preferably [24, 26]℃。

Wherein presetting and exiting the value range of temperature TE is not less than the second refrigeration frequency limit outdoor environment temperature TLc2；To subtract The small running frequency to compressor carries out causing to press due to being frequently modified the running frequency of compressor in control process The fluctuation of contracting machine running frequency, the preferably default temperature TE that exits is TLc2+2 in the present invention, that is, judges that outdoor environment temperature TR is It is no that exit temperature TE include: to judge whether outdoor environment temperature TR is not less than TLc2+2 not less than default.

When the operational mode of air conditioner is heating mode, according to the wind speed of indoor coil pipe and indoor fan to pressure The running frequency of contracting machine, which is modified, includes:

S541: indoor coil pipe is obtained, indoor coil pipe is compared with the first default coil temperature, judges room Whether inner coil pipe temperature is greater than the first default coil temperature；If indoor coil pipe is greater than the first default coil temperature, enter Step S542, otherwise enters step S543；

S542: according to current outdoor environment temperature TR and current indoor fan wind speed to the running frequency of compressor into Row amendment；

S543: indoor coil pipe is compared with the second default coil temperature, judges whether indoor coil pipe is big S544 is entered step, is otherwise entered if indoor coil pipe is greater than the second default coil temperature in the second default coil temperature Step S6；

S544: it is modified according to running frequency of the indoor coil pipe of laststate to compressor.

When indoor coil pipe be greater than the first preset temperature when, judgement at this time room temperature it is higher, with meet or will Meet the heating needs of user, therefore, on the basis of meeting user's heating needs, to reduce energy consumption, avoids heating capacity mistake It is surplus, the running frequency of compressor is modified according to current outdoor environment temperature TR and current indoor fan wind speed, with The demand of the heating capacity and user that make revised compressor matches.

When indoor coil pipe is not more than the second preset temperature, room temperature does not meet the heating of user also at this time for judgement Demand, to influence the heating capacity of air conditioner after avoiding the running frequency on compressor from being modified, to influence air conditioner use The comfort that family uses is not modified the running frequency of compressor.

When indoor coil pipe is greater than the second preset temperature, but is not more than the first preset temperature, run according to air conditioner The indoor coil pipe of laststate the running frequency of compressor is modified, i.e., if indoor coil pipe is from being greater than First preset temperature is down to greater than the second preset temperature, but be not more than the first preset temperature when, be according to indoor coil pipe State when greater than the first preset temperature is modified the running frequency of compressor；If indoor coil pipe be never more than The state of second preset temperature rises to greater than the second preset temperature, but be not more than the first preset temperature when, then according to indoor coil State when temperature is in no more than the second preset temperature is modified the running frequency of compressor, that is, not to compressor Running frequency be modified.

The first preset temperature, the second preset temperature in the present invention can be set according to the demand of user, the present invention It is preferred that the first preset temperature is 46 DEG C, the second preset temperature is 42 DEG C.

Specifically, it is shown in Figure 6, according to current outdoor environment temperature TR with current indoor fan wind speed to described The running frequency of compressor, which is modified, includes:

S5421: current outdoor environment temperature TR is obtained；

S5422: the heating target operating frequency FHc of compressor under current outdoor environment temperature TR is obtained；

S5423: current indoor fan wind speed is obtained；Judge whether current indoor fan wind speed is high speed winds, if working as Preceding indoor fan wind speed is high speed winds, then enters step S6, otherwise enter step S5424；

S5424: judging whether current indoor fan wind speed is middling speed wind, if current indoor fan wind speed is middling speed Wind then enters step S5425, otherwise enters step S5426；

S5425: the operation maximum frequency of compressor is set as to the heating of compressor under current outdoor environment temperature TR The 4th ratio of target operating frequency FHc；

S5426: judging whether current indoor fan wind speed is low velocity wind, if current indoor fan wind speed is low speed Wind then enters step S5427, otherwise enters step S5428；

S5427: the operation maximum frequency of compressor is set as to the heating of compressor under current outdoor environment temperature TR The 5th ratio of target operating frequency FHc；

S5428: the operation maximum frequency of compressor is set as to the heating of compressor under current outdoor environment temperature TR The 6th ratio of target operating frequency FHc.

When indoor air velocity is high speed or strength wind, room temperature does not meet the needs of user is to heating at this time for judgement, therefore The running frequency of compressor is not modified, avoids the heating effect for influencing air conditioner, compressor operation maximum frequency is to work as The heating target operating frequency FHc of compressor under preceding outdoor environment temperature TR.

It is middling speed under TR=TLh6 according to operating condition on the outside of simulation installation laboratory when indoor fan wind speed is middling speed wind Wind operation room temperature is able to maintain that the analogue value of human comfort's temperature T0 state, preferentially guarantees comfort, by the fortune of compressor Row maximum frequency is set as the 4th ratio of the heating target operating frequency FHc of compressor under current outdoor environment temperature TR；

It is low speed under TR=TLh6 according to operating condition on the outside of simulation installation laboratory when indoor fan wind speed is low velocity wind Wind operation room temperature is able to maintain that the analogue value of human comfort's temperature T0 state, preferentially guarantees comfort, by the fortune of compressor Row maximum frequency is set as the 5th ratio of the heating target operating frequency FHc of compressor under current outdoor environment temperature TR；

It is under TR=TLh6 according to operating condition on the outside of simulation installation laboratory, mute wind is opened when indoor air velocity is mute wind Machine room temperature is able to maintain that the analogue value of human comfort's temperature T0 state, and mute file revolving speed is lower, and outer machine noise is to room at this time Interior sense of hearing is affected, and guarantees quietness to be preferential, the excessive influence comfort of compressor frequency high sound is avoided, by compressor Run the 6th ratio of the heating target operating frequency FHc of compressor under the outdoor environment temperature TR that maximum frequency is set as current Rate.

Wherein the 4th ratio, the 5th ratio, the 6th ratio numerical value successively reduce, preferably, in the present invention the 4th ratio Rate, the 5th ratio, the 6th ratio numerical value be respectively 94%, 88%, 55%.

The heating target operating frequency FHc for wherein obtaining compressor under current outdoor environment temperature TR includes:

S101: the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR is obtained；

S102: obtaining indoor environment temperature TA, set temperature TS, calculates the difference of indoor environment temperature TA and set temperature TS It is worth Δ T, judges whether indoor environment temperature TA and the difference DELTA T of set temperature TS are not more than the 4th preset difference value；If indoor ring The difference DELTA T of border temperature TA and set temperature TS is not more than the 4th preset difference value, then enters step S103, otherwise enter step S104；

S103: determine that the heating target operating frequency FHc of compressor under outdoor environment temperature TR is outdoor environment temperature TR The heating highest run-limiting frequency FHH of lower compressor；

S104: the difference DELTA T of indoor environment temperature TA and set temperature TS is judged whether less than the 5th preset difference value, if room The difference DELTA T of interior environment temperature TA and set temperature TS then enters step S105, otherwise enters step less than the 5th preset difference value S106；

S105: determine the heating target operating frequency FHc of compressor under outdoor environment temperature TR according to indoor environment temperature The heating highest run-limiting frequency FHH of compressor, compression under difference DELTA T, the outdoor environment temperature TR of TA and set temperature TS The heating minimum operation limit frequency FH of machine is calculated according to following formula:

FHc=(1- Δ T) * (FHH-FL)/(4+FH)；

S106: the difference DELTA T of indoor environment temperature TA and set temperature TS is judged whether less than the 6th preset difference value, if room The difference DELTA T of interior environment temperature TA and set temperature TS then enters step S107, otherwise enters step less than the 6th preset difference value S108；

S107: determine compressor under outdoor environment temperature TR heating target operating frequency FHc be the heating of compressor most Low run-limiting frequency FH；

S108: determine that the heating target operating frequency FHc of compressor under outdoor environment temperature TR is 0.

Wherein the 4th preset difference value, the 5th preset difference value, the 6th preset difference value specific value all in accordance with compressor tool Depending on figure number and performance, the present invention preferably the 4th preset difference value is -3 DEG C, and the 5th preset difference value is 1 DEG C, the 6th preset difference value It is 3 DEG C；The heating target operating frequency FHc of compressor under outdoor environment temperature TR is obtained referring to following formula:

The heating minimum operation limit frequency FH of compressor is that air conditioner allows most when running heating mode in the present invention Low running frequency is a fixed value, and the specific value of the fixed value is depending on the concrete model of compressor.

The present invention determines that outdoor environment temperature TR is pushed according to the difference DELTA T of indoor environment temperature TA and set temperature TS The heating target operating frequency FHc of contracting machine, so that the heating target operating frequency FHc of the compressor determined and current heating need It asks and matches, to optimize the value of the heating target operating frequency FHc of compressor, advanced optimize the operation frequency of compressor Rate.

The numerical value of the heating highest run-limiting frequency FHH of compressor is related with the model of compressor in the present invention, specifically Depending on value temperature range locating for the outdoor environment temperature TR；Specifically, it is shown in Figure 7, obtain outdoor environment temperature The heating highest run-limiting frequency FHH of compressor includes: under TR

S1001: outdoor environment temperature TR is compared with the 6th heating frequency limit outdoor environment temperature TLh6, judges outdoor Whether environment temperature TR is not more than the 6th heating frequency limit outdoor environment temperature TLh6；If outdoor environment temperature TR is no more than the 6th system Hot frequency limit outdoor environment temperature TLh6, then enter step S1002, otherwise enter step S1003；

S1002: determine that the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR is the of compressor Four heating operation limit frequency FHH4；

S1003: judging whether outdoor environment temperature TR is not more than the 5th heating frequency limit outdoor environment temperature TLh5, if outdoor Environment temperature TR then enters step S1004, otherwise enters step no more than the 5th heating frequency limit outdoor environment temperature TLh5 S1005；

S1004: determine the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR according to compressor 4th heating operation limit frequency FHH4, compressor third heating operation limit frequency FHH3 calculated according to following formula:

FHH=(TR-TLh6) * (FHH3-FHH4)/(TLh5-TLh6)+FHH4；

S1005: judging whether outdoor environment temperature TR is not more than the 4th heating frequency limit outdoor environment temperature TLh4, if outdoor Environment temperature TR then enters step S1006, otherwise enters step no more than the 4th heating frequency limit outdoor environment temperature TLh4 S1007；

S1006: determine that the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR is the institute of compressor State third heating operation limit frequency FHH3；

S1007: judging whether outdoor environment temperature TR is not more than third heating frequency limit outdoor environment temperature TLh3, if outdoor Environment temperature TR heats frequency limit outdoor environment temperature TLh3 no more than third, then enters step S1008, otherwise enter step S1009；

S1008: determine the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR according to compressor Third heating operation limit frequency FHH3, compressor the second heating operation limit frequency FHH2 calculated according to following formula:

FHH=(TR-TLh4) * (FHH2-FHH3)/(TLh3-TLh4)+FHH3；

S1009: judging whether outdoor environment temperature TR is not more than the second heating frequency limit outdoor environment temperature TLh2, if outdoor Environment temperature TR then enters step S1010, otherwise enters step no more than the second heating frequency limit outdoor environment temperature TLh2 S1011；

S1010: determine that the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR is the of compressor Two heating operation limit frequency FHH2；

S1011: judging whether outdoor environment temperature TR is not more than the first heating frequency limit outdoor environment temperature TLh1, if outdoor Environment temperature TR then enters step S1012, otherwise enters step no more than the first heating frequency limit outdoor environment temperature TLh1 S1013；

S1012: determine the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR according to compressor Second heating operation limit frequency FHH2, compressor the first heating operation limit frequency FHH1 calculated according to following formula:

FHH=(TR-TLh2) * (FHH1-FHH2)/(TLh1-TLh2)+FHH2；

S1013: determine that the heating highest run-limiting frequency FHH of compressor under outdoor environment temperature TR is the of compressor One heating operation limit frequency FHH1.

Wherein the 4th heating operation limit frequency FHH4 of compressor, third heating operation limit frequency FCH3, the second system Hot run-limiting frequency FHH2, the first heating operation limit frequency FCH1 specific value depending on the model of compressor, and Meeting numerical value successively reduces, i.e. FHH4 > FHH3 > FHH2 > FHH1；Heating frequency limit outdoor environment temperature meets following relationship:

TLh6 < TLh5 < TLh4 < TLh3 < TLh2 < TLh1；

Wherein the value range of TLh6, TLh5, TLh4, TLh3, TLh2, TLh1 are set according to user demand.

The present invention is by setting the heating highest run-limiting frequency of compressor according to outdoor environment temperature, so that setting Compressor heating highest run-limiting frequency and outdoor environment temperature be adapted, thus optimize compressor heating highest fortune The value of row limit frequency advanced optimizes the running frequency of compressor.

Another object of the present invention is to provide a kind of control device of convertible frequency air-conditioner, the control device packets of the convertible frequency air-conditioner It includes:

Indoor fan, for blowing to interior；

Control module, for obtaining the setting of the wind speed conversion instruction of indoor fan, the operational mode of air conditioner, air conditioner Temperature TS；Control module and indoor fan, indoor environment temperature sensor communicate to connect；

Control module is after the wind speed conversion instruction for obtaining indoor fan, according to the operational mode of air conditioner, indoor environment The difference of temperature TA and set temperature TS judge whether the unlocking condition for meeting compressor operating frequency modification model；

If meeting the unlocking condition of the compressor operating frequency modification model, according to the operational mode of air conditioner to compression The running frequency of machine is modified.

Specifically, control module obtain indoor fan wind speed conversion instruction after, according to the operational mode of air conditioner, room The difference of interior environment temperature TA and set temperature TS judge whether the unlocking condition packet for meeting compressor operating frequency modification model It includes:

S1: the conversion instruction of indoor fan wind speed is obtained；

S2: the operational mode of air conditioner is obtained；

S6: air conditioner operates normally.

The control device of convertible frequency air-conditioner provided by the invention, by the operational mode of air conditioner, indoor environment temperature TA with The difference DELTA T of set temperature TS judges whether to need to be modified the running frequency of compressor, is determining to need to compressor Running frequency when being modified, be further modified according to running frequency of the operational mode of air conditioner to compressor, it is excellent Change the control to compressor operating frequency, thus when on the one hand shortening operation required for the room temperature for reaching user demand Between, improve the comfort that user uses；On the other hand, it avoids refrigeration, the heating capacity of air conditioner superfluous, reaches energy-saving and environment-friendly Purpose.

Another object of the present invention is to provide a kind of air conditioner, which includes the control dress of above-mentioned convertible frequency air-conditioner It sets.

Air conditioner provided by the invention passes through the operational mode of air conditioner, indoor environment temperature TA and set temperature TS Difference DELTA T judges whether to need to be modified the running frequency of compressor, determine to need to the running frequency of compressor into It when row amendment, is further modified according to running frequency of the operational mode of air conditioner to compressor, compressor is transported in optimization The control of line frequency reaches runing time required for the room temperature of user demand on the one hand shorten, and improving user makes Comfort；On the other hand, it avoids refrigeration, the heating capacity of air conditioner superfluous, reaches energy-saving and environment-friendly purpose.

Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute Subject to the range of restriction.

Claims

1. a kind of control method of convertible frequency air-conditioner characterized by comprising

Obtain the conversion instruction of indoor fan wind speed；

According to the operational mode of air conditioner, the difference DELTA T of indoor environment temperature TA and set temperature TS, judge whether to meet compression The unlocking condition of machine running frequency modification model；

If meeting the unlocking condition of the compressor operating frequency modification model, according to the operational mode of the air conditioner to described The running frequency of compressor is modified.

2. the control method of convertible frequency air-conditioner as described in claim 1, which is characterized in that the operation mould according to air conditioner The difference DELTA T of formula, indoor environment temperature TA and set temperature TS judges whether to meet opening for compressor operating frequency modification model The condition of opening includes:

Obtain the operational mode of air conditioner；

If the operational mode of the air conditioner is refrigeration mode, judge the indoor environment temperature TA's and set temperature TS Whether difference DELTA T is not more than 0；

If the difference DELTA T of the indoor environment temperature TA and set temperature TS is not more than 0, judgement meets the compressor The unlocking condition of running frequency modification model；

If the operational mode of the air conditioner is heating mode, judge the indoor environment temperature TA's and set temperature TS Whether difference DELTA T is not less than 0；

If the difference DELTA T of the indoor environment temperature TA and set temperature TS is not less than 0, judgement meets the compressor The unlocking condition of running frequency modification model.

3. the control method of convertible frequency air-conditioner as described in claim 1, which is characterized in that the operation according to the air conditioner Mode is modified the running frequency of the compressor

If the operational mode of the air conditioner is refrigeration mode, according to the wind speed of outdoor environment temperature TR and indoor fan to institute The running frequency for stating compressor is modified；

If the operational mode of the air conditioner is heating mode, according to indoor coil pipe to the running frequency of the compressor into Row amendment.

4. the control method of convertible frequency air-conditioner as claimed in claim 3, which is characterized in that it is described according to outdoor environment temperature TR with And the wind speed of indoor fan is modified the running frequency of the compressor and includes:

Obtain the outdoor environment temperature TR of current state；

If the outdoor environment temperature TR of current state is less than the second refrigeration frequency limit outdoor environment temperature TLc2, institute is obtained State the refrigeration target operating frequency FLc of the compressor under outdoor environment temperature TR；

Obtain the indoor fan wind speed of current state；

If the indoor fan wind speed of current state is middling speed wind, the operation maximum frequency of the compressor is set as described The first ratio of refrigeration target operating frequency FLc；

If the indoor fan wind speed of current state is low velocity wind, the operation maximum frequency of the compressor is set as described The second ratio of refrigeration target operating frequency FLc；

If the indoor fan wind speed of current state is mute wind, the operation maximum frequency of the compressor is set as described The third ratio of refrigeration target operating frequency FLc.

5. the control method of convertible frequency air-conditioner as claimed in claim 3, which is characterized in that the operation according to the air conditioner Mode is modified the running frequency of the compressor, if the operational mode of the air conditioner is refrigeration mode, according to outdoor After the wind speed of environment temperature TR and indoor fan is modified the running frequency of the compressor, further includes: according to described The wind speed of outdoor environment temperature TR and indoor fan judges whether to meet compressor operating frequency modification model exit criteria, if Meet the compressor operating frequency modification model exit criteria, then exits compressor operating frequency modification model.

6. the control method of convertible frequency air-conditioner as claimed in claim 5, which is characterized in that described according to the outdoor environment temperature The wind speed of TR and indoor fan judges whether that meeting compressor operating frequency modification model exit criteria includes:

If the outdoor environment temperature TR exits temperature TE not less than described preset, judge that the current wind speed of the indoor fan is No is mute wind；

7. the control method of convertible frequency air-conditioner as claimed in claim 6, which is characterized in that the judgement outdoor environment temperature Whether TR is not less than that default to exit temperature TE include: to judge whether the outdoor environment temperature TR is not less than TLc2+2.

8. such as the control method of the described in any item convertible frequency air-conditioners of claim 3~7, which is characterized in that described according to indoor disk Tube temperature degree is modified the running frequency of the compressor

If the indoor coil pipe is greater than the first default coil temperature, according to current outdoor environment temperature TR and currently Indoor fan wind speed is modified the running frequency of the compressor；

If the indoor coil pipe is not more than the second default coil temperature, the running frequency of the compressor is not repaired Just；

If the indoor coil pipe is greater than the described second default coil temperature, and is not more than the described first default coil temperature, Then the running frequency of the compressor is modified according to the indoor coil pipe of laststate.

9. the control method of convertible frequency air-conditioner as claimed in claim 8, which is characterized in that the current outdoor environment temperature of the basis Degree, which is modified the running frequency of the compressor with current indoor fan wind speed, includes:

Obtain the current outdoor environment temperature TR；

Obtain the current indoor fan wind speed；

If the current indoor fan wind speed is middling speed wind, the operation maximum frequency of the compressor is set as described current Outdoor environment temperature TR under the compressor heating target operating frequency FHc the 4th ratio；

If the current indoor fan wind speed is low velocity wind, the operation maximum frequency of the compressor is set as described current Outdoor environment temperature TR under the compressor heating target operating frequency FHc the 5th ratio；

If the current indoor fan wind speed is mute wind, the operation maximum frequency of the compressor is set as described current Outdoor environment temperature TR under the compressor heating target operating frequency FHc the 6th ratio.

10. a kind of control device of convertible frequency air-conditioner characterized by comprising

Indoor fan, for blowing to interior；

Control module, for obtaining the setting of the wind speed conversion instruction of the indoor fan, the operational mode of air conditioner, air conditioner Temperature TS；The control module and the indoor fan, the indoor environment temperature sensor communicate to connect；

The control method that the control module is also used to -9 any convertible frequency air-conditioners according to claim 1 controls the air-conditioning The operation of device.

11. a kind of air conditioner, which is characterized in that the air conditioner includes the control device of convertible frequency air-conditioner described in any one of claim 10.