CN105571047A - Control method and device for rapid refrigerating or rapid heating of direct-current variable frequency air conditioner - Google Patents
Control method and device for rapid refrigerating or rapid heating of direct-current variable frequency air conditioner Download PDFInfo
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- CN105571047A CN105571047A CN201410539818.0A CN201410539818A CN105571047A CN 105571047 A CN105571047 A CN 105571047A CN 201410539818 A CN201410539818 A CN 201410539818A CN 105571047 A CN105571047 A CN 105571047A
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Abstract
The embodiment of the invention provides a control method and device for rapid refrigerating or rapid heating of a direct-current variable frequency air conditioner. The control method for rapid refrigerating of the direct-current variable frequency air conditioner comprises the following steps that according to the current environment temperature value, a temperature zone refrigerating weight coefficient is determined; according to the product of the temperature zone refrigerating weight coefficient and the rated refrigerating frequency, the target refrigerating frequency of a compressor is obtained; and the compressor operates by the scheduled time according to the target refrigerating frequency. The method is based on two factors of the outdoor environment temperature and the air conditioner complete machine rated refrigerating frequency; according to different outdoor environment temperatures, different coefficients are set, and the final compressor operating frequency is calculated; and according to the method, the operating frequency of the compressor can be determined according to the weather conditions, and finally, the same rapid refrigerating effect can be achieved under the various weather conditions.
Description
Technical field
The present invention relates to air conditioner refrigerating or heat technical field, being specifically related to a kind of DC frequency converting air-conditioner fast-refrigerating or the control method heated fast and device.
Background technology
At present, the rhythm of life of people is accelerated, and the demand for air-conditioning products has been not only rest on common refrigeration and heat-production functions.After people come home from work and open air-conditioning, wish that air-conditioning can supply nice and cool or warm environment by Quick, therefore, the fast-refrigerating heating capacity of air-conditioning also becomes one of people's evaluation index of choosing air-conditioning.
Patent CN101251290A discloses the control method that a kind of fixed frequency air conditioner machine fast-refrigerating heats.The method is the wind speed and the air quantity that determine whether improving indoor set by comparing indoor temperature and reference temperature, by increasing the object that wind speed and air quantity realize fast-refrigerating and heat.
Patent CN102788405A discloses the startup control method that a kind of direct-current variable-frequency multi-connection air conditioner fast-refrigerating heats.In the method, the frequency of compressor determines it is when starting, different frequencies is run in the different time periods, after 20-35Hz and 55-65Hz two oil return platforms, run 10-15 minute at 75-85Hz, then according to the ability need adjustment compressor frequency of interior machine.In that patent, also disclose blower fan in start-up course, feather valve, the startup sequential of other loads such as electric expansion valve.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems:
In above the first prior art disclosed, the fixed frequency of machine press is frequently fixed, and capacity adjustment is limited in scope.In the second prior art, the frequency range that press runs is fixed, and under different weather conditions, the effect that fast-refrigerating heats can exist larger difference.
Summary of the invention
The object of this invention is to provide a kind of convertible frequency air-conditioner and realize fast-refrigerating or the control method heated fast and device, to improve the deficiency of the fast-refrigerating heating method existence existed at present, calculate the running frequency of compressor according to different weather conditions, realize fast-refrigerating heating effect identical in a variety of weather conditions.
For reaching above-mentioned purpose, on the one hand, embodiments provide a kind of control method of DC frequency converting air-conditioner fast-refrigerating, it comprises:
According to current environmental temperature value, determine warm area refrigeration weight coefficient;
The product of weight coefficient and the specified refrigeration frequency of freezing according to described warm area, obtains the target refrigeration frequency of compressor;
Compressor is made to run scheduled duration by described target refrigeration frequency.
On the other hand, embodiments provide the control method that a kind of DC frequency converting air-conditioner heats fast, comprising:
According to current environmental temperature value, determine that warm area heats weight coefficient;
Heat weight coefficient and the specified product heating frequency according to described warm area, the target obtaining compressor heats frequency;
Make compressor heat frequency by described target and run scheduled duration.
Again on the one hand, embodiments provide a kind of control device of DC frequency converting air-conditioner fast-refrigerating, comprising:
Calculation control unit, for according to current environmental temperature value, determines warm area refrigeration weight coefficient; And according to the product of described warm area refrigeration weight coefficient with specified refrigeration frequency, the target obtaining compressor is freezed frequency;
Performance element, runs scheduled duration for making compressor by described target refrigeration frequency.
Another aspect, embodiments provides the control device that a kind of DC frequency converting air-conditioner heats fast, comprising:
Calculation control unit, for according to current environmental temperature value, determines that warm area heats weight coefficient; And heating weight coefficient and the specified product heating frequency according to described warm area, the target obtaining compressor heats frequency;
Performance element, heats frequency for making compressor by described target and runs scheduled duration.
Technique scheme has following beneficial effect:
Technique scheme under different environment temperatures, the effect that can realize identical fast-refrigerating or heat fast.Under the weather conditions that some cryogenic refrigerations or high temperature heat, arrange little warm area weight coefficient, compressor runs at low frequencies, and the effect that can realize fast-refrigerating equally or heat fast is more energy-conservation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall flow figure of the fast-refrigerating control method of the embodiment of the present invention one;
Fig. 2 is the particular flow sheet of the fast-refrigerating control method of the embodiment of the present invention one;
Fig. 3 is the refrigerating environment temperature-warm area weight coefficient curve of the embodiment of the present invention one;
Fig. 4 is the overall flow figure of the quick heat-production control method of the embodiment of the present invention two;
Fig. 5 be the embodiment of the present invention two heat environment temperature-warm area weight coefficient curve;
Fig. 6 is the functional block diagram of the fast-refrigerating control device of the embodiment of the present invention three;
Fig. 7 is the functional block diagram heating control device fast of the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Based on the above-mentioned problems in the prior art, the embodiment of the present invention provides a kind of brand-new control method for the wide convertible frequency air-conditioner of direct current.The method is based on outdoor environment temperature, and air conditioner specified refrigeration frequency or specifiedly heat frequency two factors, according to the different coefficients that different outdoor environment temperature sets, and calculates final compressor operating frequency.The method can well according to the running frequency of weather conditions determination compressor, the fast-refrigerating heating effect that final realization is identical in a variety of weather conditions.
Embodiment one
Fig. 1 is the overall flow figure of the fast-refrigerating control method of the embodiment of the present invention one.As shown in Figure 1, the control method of a kind of DC frequency converting air-conditioner fast-refrigerating of the present embodiment comprises the steps:
Step 110: according to current environmental temperature value, determines warm area refrigeration weight coefficient;
Step 120: the product of weight coefficient and the specified refrigeration frequency of freezing according to described warm area, obtains the target refrigeration frequency of compressor;
Step 130: make compressor run scheduled duration by described target refrigeration frequency.
Alternatively, before step 110, method described in this can also comprise the steps: to determine whether first refrigeration, if first refrigeration just starts fast-refrigerating.
Preferably, when specific embodiment, step 110 can comprise the steps: to arrange multiple temperature range; Multiple warm area refrigeration weight coefficient is set, described multiple warm area refrigeration weight coefficients and described multiple temperature range one_to_one corresponding; The refrigeration of the warm area corresponding to the temperature range weight coefficient selecting current environmental temperature value to fall into.
Further, after step 130, method shown in Fig. 1 also can comprise the steps:, after compressor runs scheduled duration by described target refrigeration frequency, to terminate fast-refrigerating.
Fig. 2 is the particular flow sheet of the fast-refrigerating control method of the embodiment of the present invention one.Consult Fig. 2, the following specifically describes the specific implementation step of this control method:
Step 210: fast-refrigerating or heat beginning fast.
Step 220: determine whether and freeze for the first time or heat, if so, then enters step 230, otherwise enters step 270.First refrigeration or heat refers to that air-conditioning to power on after running refrigerating or heating mode or shutdown first running refrigerating or heating mode after start again for the first time.
Step 230: according to current environmental temperature value, determines warm area weight coefficient COx (x=1,2 ... N), then step 240 is entered.Wherein warm area weight coefficient is a series of values in memory cell.Fast-refrigerating environment temperature is higher, and COx is larger; Heat environment temperature fast lower, COx is larger.Fig. 3 schematically depict refrigerating environment temperature in the present embodiment-warm area weight coefficient curve.
Step 240: the target frequency FreObj=FreRatexCOx calculating compressor, then enters step 250.Wherein FreRate refers to the specified refrigeration frequency of air-conditioning or specifiedly heats frequency, and this value is the fixed value in memory cell.
Step 250: compressor runs according to target frequency FreObj.
Step 260: judge whether compressor is greater than default time span T in this frequency running time, if be greater than time T running time, enters step 270.Otherwise return and perform step 250.The length setting of time T arranges difference according to different type of machines.
Step 270: terminate fast-refrigerating or heat fast, the instruction frequency that compressor operating usually freezes or heats.
Fig. 2 is described for the control method of fast-refrigerating, the same fast-refrigerating of flow chart of the control method heated in fact fast.
Can be found out by foregoing description, the method for the present embodiment has following features: 1, only to enter refrigeration first or heating mode just runs fast-refrigerating or quick heat-production functions.2, environment temperature is different, and warm area weight coefficient is different.3, environment temperature is different, and the running frequency of press is different, fast-refrigerating identical under can realizing Different climate condition or fast heating effect.4, fast-refrigerating or the fast free upper limit of heating operation.Within the time of fast-refrigerating or quick heating operation, the running frequency of press can not be followed the change of environment temperature and change.
The advantage of the technique scheme of the embodiment of the present invention is:
Conventional fast-refrigerating or the method heated fast are mostly realized by the fixed frequency within the scope of fixing press frequency or a certain section, there are some shortcomings like this.For example, be run fast-refrigerating equally, compressor operating frequency 85Hz, when environment temperature is 27 DEG C, runs 15 minutes and room temperature can be down to 16 DEG C, when environment temperature is 38 DEG C, needs within 30 minutes, room temperature could be down to 16 DEG C.Adopt the control method of the embodiment of the present invention, specified refrigeration frequency setting is 70Hz.When environment temperature 27 DEG C, warm area weight coefficient is set as 1.2, press running frequency is 84Hz, run 15 minutes energy and room temperature is down to 16 DEG C, when environment temperature is 38 DEG C, warm area weight coefficient is set as 1.5, and press running frequency is 105Hz, then in 15 minutes, room temperature can be down to 16 DEG C equally.
By finding out above under different environment temperatures, by this control method, the effect that can realize identical fast-refrigerating or heat fast.Under the weather conditions that some cryogenic refrigerations or high temperature heat, arrange little warm area weight coefficient, compressor runs at low frequencies, and the effect that can realize fast-refrigerating equally or heat fast is more energy-conservation.
Embodiment two
Fig. 4 is the overall flow figure of the quick heat-production control method of the embodiment of the present invention two.As shown in Figure 4, the method comprises the steps:
Step 410: according to current environmental temperature value, determines that warm area heats weight coefficient;
Step 420: heat weight coefficient and the specified product heating frequency according to described warm area, the target obtaining compressor heats frequency;
Step 430: make compressor heat frequency by described target and run scheduled duration.
Alternatively, before step 410, the method also can comprise the steps: to determine whether to heat for the first time, heats fast if heat for the first time just to start.
Preferably, in the specific implementation, step 410 can comprise the steps: to arrange multiple temperature range; Arrange multiple warm area and heat weight coefficient, described multiple warm area heats weight coefficient and described multiple temperature range one_to_one corresponding; The warm area corresponding to temperature range selecting current environmental temperature value to fall into heats weight coefficient.What Fig. 5 schematically depicted the embodiment of the present invention two heats environment temperature-warm area weight coefficient curve.
Further, method shown in Fig. 4 also can comprise the steps:, after compressor heats frequency operation scheduled duration with described target, to terminate to heat fast.
By this control method, the identical effect heated fast can be realized.Under the weather conditions that some high temperature heat, arrange little warm area weight coefficient, compressor runs at low frequencies, can realize the effect heated fast equally, more energy-conservation.
Embodiment three
The present embodiment three provides a kind of control device 600 of DC frequency converting air-conditioner fast-refrigerating.As shown in Figure 6, it comprises:
Refrigeration calculation control unit 610, for according to current environmental temperature value, determines warm area refrigeration weight coefficient; And according to the product of described warm area refrigeration weight coefficient with specified refrigeration frequency, the target obtaining compressor is freezed frequency;
Refrigeration performance element 620, runs scheduled duration for making compressor by described target refrigeration frequency.
Further, this control device 600 also can comprise: cooling activation judging unit 630, for determining whether first refrigeration, if first refrigeration just starts fast-refrigerating.
Particularly, this calculation control unit 610 can comprise: coefficient of refrigerating performance determination module 612 and target refrigeration frequency determining module 614, and wherein, coefficient of refrigerating performance determination module 612 is for arranging multiple temperature range; Multiple warm area refrigeration weight coefficient is set, described multiple warm area refrigeration weight coefficients and described multiple temperature range one_to_one corresponding; And the refrigeration of the warm area corresponding to the temperature range weight coefficient selecting current environmental temperature value to fall into.
Further, also this control device 600 also can comprise: refrigeration terminates judging unit 640, for after judging that compressor reaches scheduled duration by the operation of described target refrigeration frequency, terminates fast-refrigerating.
The course of work of this this control device 600 can consult preceding method embodiment, does not repeat them here.
This device is based on outdoor environment temperature, and the specified refrigeration frequency of air conditioner two factors, according to the different coefficients that different outdoor environment temperature sets, and calculate final compressor operating frequency.The method can well according to the running frequency of weather conditions determination compressor, the fast-refrigerating effect that final realization is identical in a variety of weather conditions.
Embodiment four
The control device 700 that the present embodiment four provides a kind of DC frequency converting air-conditioner to heat fast.As shown in Figure 7, it comprises:
Heat calculation control unit 710, for according to current environmental temperature value, determine that warm area heats weight coefficient; And heating weight coefficient and the specified product heating frequency according to described warm area, the target obtaining compressor heats frequency;
Heat performance element 720, heat frequency for making compressor by described target and run scheduled duration.
Further, this control device 700 also can comprise: heating and start judging unit 730, heating for the first time for determining whether, heats fast if heat for the first time just to start.
Particularly, this calculation control unit 710 can comprise: heating efficiency determination module 712 and target heat frequency determining module 714, and wherein, heating efficiency determination module 712 is for arranging multiple temperature range; Arrange multiple warm area and heat weight coefficient, described multiple warm area heats weight coefficient and described multiple temperature range one_to_one corresponding; And the warm area corresponding to temperature range selecting current environmental temperature value to fall into heats weight coefficient.
Further, this control device 700 can also comprise: heat and terminate judging unit 740, and for when judging that compressor to heat after frequency operation reaches scheduled duration by described target, end heats fast.
The course of work of this this control device 700 can consult preceding method embodiment, does not repeat them here.
This device is based on outdoor environment temperature, and air conditioner is specified heats frequency two factors, according to the different coefficients that different outdoor environment temperature sets, and calculates final compressor operating frequency.The method can well according to the running frequency of weather conditions determination compressor, the quick heating effect that final realization is identical in a variety of weather conditions.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogicalblock) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding embodiment of the present invention protection.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a control method for DC frequency converting air-conditioner fast-refrigerating, is characterized in that, comprising:
According to current environmental temperature value, determine warm area refrigeration weight coefficient;
The product of weight coefficient and the specified refrigeration frequency of freezing according to described warm area, obtains the target refrigeration frequency of compressor;
Compressor is made to run scheduled duration by described target refrigeration frequency.
2. method according to claim 1, is characterized in that, according to current environmental temperature value, before determining warm area refrigeration weight coefficient step, described method also comprises:
Determine whether first refrigeration, if first refrigeration just starts fast-refrigerating.
3. method according to claim 1 and 2, is characterized in that, described according to current environmental temperature value, determines warm area refrigeration weight coefficient, comprising:
Multiple temperature range is set;
Multiple warm area refrigeration weight coefficient is set, described multiple warm area refrigeration weight coefficients and described multiple temperature range one_to_one corresponding;
The refrigeration of the warm area corresponding to the temperature range weight coefficient selecting current environmental temperature value to fall into.
4. method according to claim 3, is characterized in that, described method also comprises: after compressor runs scheduled duration by described target refrigeration frequency, terminate fast-refrigerating.
5. the control method that heats fast of DC frequency converting air-conditioner, is characterized in that, comprising:
According to current environmental temperature value, determine that warm area heats weight coefficient;
Heat weight coefficient and the specified product heating frequency according to described warm area, the target obtaining compressor heats frequency;
Make compressor heat frequency by described target and run scheduled duration.
6. method according to claim 5, is characterized in that, according to current environmental temperature value, before determining that warm area heats weight coefficient step, described method also comprises:
Determine whether to heat for the first time, heat fast if heat for the first time just to start.
7. the method according to claim 5 or 6, is characterized in that, described according to current environmental temperature value, determines that warm area heats weight coefficient, comprising:
Multiple temperature range is set;
Arrange multiple warm area and heat weight coefficient, described multiple warm area heats weight coefficient and described multiple temperature range one_to_one corresponding;
The warm area corresponding to temperature range selecting current environmental temperature value to fall into heats weight coefficient.
8. method according to claim 7, is characterized in that, described method also comprises: after compressor heats frequency operation scheduled duration with described target, terminate to heat fast.
9. a control device for DC frequency converting air-conditioner fast-refrigerating, is characterized in that, comprising:
Refrigeration calculation control unit, for according to current environmental temperature value, determines warm area refrigeration weight coefficient; And according to the product of described warm area refrigeration weight coefficient with specified refrigeration frequency, the target obtaining compressor is freezed frequency;
Refrigeration performance element, runs scheduled duration for making compressor by described target refrigeration frequency.
10. device according to claim 9, is characterized in that, also comprises:
Cooling activation judging unit, for determining whether first refrigeration, if first refrigeration just starts fast-refrigerating.
11. devices according to claim 9 or 10, it is characterized in that, described calculation control unit comprises:
Coefficient of refrigerating performance determination module, for arranging multiple temperature range; Multiple warm area refrigeration weight coefficient is set, described multiple warm area refrigeration weight coefficients and described multiple temperature range one_to_one corresponding; And the refrigeration of the warm area corresponding to the temperature range weight coefficient selecting current environmental temperature value to fall into.
12. devices according to claim 11, is characterized in that, also comprise:
Refrigeration terminates judging unit, for after judging that compressor reaches scheduled duration by the operation of described target refrigeration frequency, terminates fast-refrigerating.
The control device that 13. 1 kinds of DC frequency converting air-conditioners heat fast, is characterized in that, comprising:
Heat calculation control unit, for according to current environmental temperature value, determine that warm area heats weight coefficient; And heating weight coefficient and the specified product heating frequency according to described warm area, the target obtaining compressor heats frequency;
Heat performance element, heat frequency for making compressor by described target and run scheduled duration.
14. devices according to claim 13, is characterized in that, also comprise:
Heating startup judging unit, heating for the first time for determining whether, heat fast if heat for the first time just to start.
15. devices according to claim 13 or 14, it is characterized in that, described calculation control unit comprises:
Heating efficiency determination module, for arranging multiple temperature range; Arrange multiple warm area and heat weight coefficient, described multiple warm area heats weight coefficient and described multiple temperature range one_to_one corresponding; And the warm area corresponding to temperature range selecting current environmental temperature value to fall into heats weight coefficient.
16. devices according to claim 15, is characterized in that, also comprise:
Heating end judging unit, for when judging that compressor to heat by described target after frequency runs and reach scheduled duration, terminating to heat fast.
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| CN201410539818.0A CN105571047A (en) | 2014-10-14 | 2014-10-14 | Control method and device for rapid refrigerating or rapid heating of direct-current variable frequency air conditioner |
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| CN201410539818.0A CN105571047A (en) | 2014-10-14 | 2014-10-14 | Control method and device for rapid refrigerating or rapid heating of direct-current variable frequency air conditioner |
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| CN106371328A (en) * | 2016-11-07 | 2017-02-01 | 广东美的制冷设备有限公司 | Intelligent household electrical appliance control method and device |
| CN106895622A (en) * | 2017-02-10 | 2017-06-27 | 美的集团股份有限公司 | For the compressor start method and device of frequency conversion equipment |
| CN107990498A (en) * | 2017-11-14 | 2018-05-04 | 珠海格力电器股份有限公司 | Air conditioning control method, device and air conditioner |
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| CN111256347A (en) * | 2018-11-30 | 2020-06-09 | 广东美的制冷设备有限公司 | Recommendation terminal, receiving terminal, pushing method of comfortable temperature zone and storage medium |
| CN112032936A (en) * | 2020-08-24 | 2020-12-04 | Tcl空调器(中山)有限公司 | Frequency control method, storage medium and air conditioning system |
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| CN112032936A (en) * | 2020-08-24 | 2020-12-04 | Tcl空调器(中山)有限公司 | Frequency control method, storage medium and air conditioning system |
| CN112032936B (en) * | 2020-08-24 | 2022-07-08 | Tcl空调器(中山)有限公司 | Frequency control method, storage medium and air conditioning system |
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Application publication date: 20160511 |
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