CN103363617A - Detection method and detection device for fluorine lack of air conditioner, and air conditioner - Google Patents
Detection method and detection device for fluorine lack of air conditioner, and air conditioner Download PDFInfo
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- CN103363617A CN103363617A CN2012101045246A CN201210104524A CN103363617A CN 103363617 A CN103363617 A CN 103363617A CN 2012101045246 A CN2012101045246 A CN 2012101045246A CN 201210104524 A CN201210104524 A CN 201210104524A CN 103363617 A CN103363617 A CN 103363617A
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Abstract
The invention discloses a detection method and a detection device for fluorine lack of an air conditioner, and the air conditioner. The detection method for the fluorine lack of the air conditioner comprises an acquisition unit used for acquiring practical running power of the air conditioner, a searching unit used for searching fluorine lack power of the air conditioner corresponding to a current environment temperature, a first judgment unit connected with the acquisition unit and the searching unit respectively and used for judging whether the practical running power is less than the fluorine lack power, and a determination unit connected with the first judgment unit and used for determining that the air conditioner is lack of fluorine when the practical running power is less than the fluorine lack power, wherein a corresponding relation between the fluorine lack power of the air conditioner and the environment temperature is stored in the air conditioner. With the adoption of the method, the device and the air conditioner, the problem that fluorine lack detection on the air conditioner is inaccurate in the prior art is solved, so that an effect of improving the accuracy of the fluorine lack detection on the air conditioner is achieved.
Description
Technical field
The present invention relates to the air-conditioner field, in particular to a kind of detection method and device and air-conditioner of air conditioner lacks fluorine.
Background technology
For transducer air conditioning, if install not in place or running time excessively of a specified duration, transducer air conditioning can lack fluorine, if continuous service under scarce fluorine state of normal time of compressor can cause compressor damage.In the prior art when whether air conditioner lacks fluorine is detected, generally be by the coolant quantity in the refrigerant pipe is detected whether to judge air conditioner lacks fluorine, but this kind detection mode is the running status with air-conditioner to be based upon under a kind of idealized model and to carry out, namely, this kind detection mode is the cold medium flux that is based upon air-conditioner, flow velocity, constant situation is all stablized in the power supply of air-conditioner surrounding environment parameter and air-conditioner, so, if consider the practical operation situation of air-conditioner, then detection mode of the prior art can not accurately detect air-conditioner and whether lacks fluorine.
For detecting inaccurate problem for air conditioner lacks fluorine in the correlation technique, effective solution is proposed not yet at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of detection method and device and air-conditioner of air conditioner lacks fluorine, detects inaccurate problem to solve in the prior art for air conditioner lacks fluorine.
To achieve these goals, according to an aspect of the present invention, provide a kind of detection method of air conditioner lacks fluorine, having comprised: the actual motion power that obtains air-conditioner; Search the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature; Judge that whether actual motion power is less than scarce fluorine power; And when judging actual motion power less than scarce fluorine power, determine air conditioner lacks fluorine.
Further, the actual motion power that obtains air-conditioner comprises: the DC current of sampling air-conditioner operation; DC voltage on the sampling air-conditioner dc bus; And the actual motion power that calculates air-conditioner by DC current and DC voltage.
Further, the DC current of sampling air-conditioner operation comprises: the DC current in the power factor correction circuit of sampling air-conditioner; Or the DC current in the current transformer of sampling air-conditioner.
Further, before obtaining the actual motion power of air-conditioner, detection method also comprises: it is pre-conditioned whether the running status of judging air-conditioner satisfies, wherein, satisfy when pre-conditioned in the running status of judging air-conditioner, obtain the actual motion power of air-conditioner.
Further, the scarce fluorine power of searching the air-conditioner corresponding with current environmental temperature comprises: detect outdoor environment temperature; Detect indoor environment temperature; The accounting temperature difference, wherein, temperature gap is the difference of indoor environment temperature and design temperature; And the scarce fluorine power of searching the air-conditioner corresponding with outdoor environment temperature and temperature gap, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of outdoor environment temperature and temperature gap.
Further, the detection outdoor environment temperature is included in first constantly and second moment was detected respectively outdoor environment temperature, wherein, be engraved in second o'clock after first moment, and the time interval of second moment with first moment is the integral multiple of the first Preset Time, the detection indoor environment temperature is included in first constantly and the 3rd moment was detected respectively indoor environment temperature, wherein, be engraved in the 3rd o'clock after first moment, and the time interval of the 3rd moment with first moment is the integral multiple of the second Preset Time, the second Preset Time is less than the first Preset Time, wherein: the scarce fluorine power of searching the air-conditioner corresponding with outdoor environment temperature and temperature gap comprises: judge whether current time overlaps with second moment and the 3rd constantly; When the judgement current time overlaps with second moment and the 3rd simultaneously constantly, search the scarce fluorine power of air-conditioner according to the temperature gap that the outdoor environment temperature corresponding with current time reaches and current time is corresponding; Judging that current time overlaps constantly with second and current time when not overlapping with the 3rd moment, reach the scarce fluorine power of searching air-conditioner with corresponding temperature gap of the 4th moment according to the outdoor environment temperature corresponding with current time, wherein, the 4th constantly be the moment of detecting indoor environment temperature before current time, and the time interval of the 4th moment and current time is less than the second Preset Time; And judging that current time overlaps constantly with the 3rd and current time when not overlapping with second moment, search the scarce fluorine power of air-conditioner according to the outdoor environment temperature that the temperature gap corresponding with current time reaches and the 5th moment is corresponding, wherein, the 5th constantly be the moment of detecting outdoor environment temperature before current time, and the time interval of the 5th moment and current time is less than the first Preset Time.
Further, detection method also comprises: judge whether design temperature changes; And when judging that design temperature changes, delay time and upgrade temperature gap behind the 3rd Preset Time, and search with outdoor environment temperature and the scarce fluorine power of the corresponding air-conditioner of temperature gap after upgrading, wherein, temperature gap after the renewal is the difference of the design temperature after indoor environment temperature and the change, and the 3rd Preset Time is less than the second Preset Time.
Further, judge whether actual motion power comprises less than scarce fluorine power: in the 4th Preset Time, judge that whether actual motion power is less than scarce fluorine power continuously, wherein, less than scarce fluorine power, then determine air conditioner lacks fluorine if in the 4th Preset Time, judge continuously actual motion power.
To achieve these goals, according to a further aspect in the invention, provide a kind of checkout gear of air conditioner lacks fluorine, having comprised: acquiring unit, for the actual motion power that obtains air-conditioner; Search the unit, be used for searching the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature; The first judging unit, with acquiring unit with search the unit and be connected respectively, be used for judging that whether actual motion power is less than scarce fluorine power; And determining unit, be connected with the first judging unit, be used for when judging actual motion power less than scarce fluorine power, determining air conditioner lacks fluorine.
Further, acquiring unit comprises: the first sampling unit is used for the DC current that the sampling air-conditioner moves; The second sampling unit is used for the DC voltage on the sampling air-conditioner dc bus; And computing unit, be connected respectively with the second sampling unit with the first sampling unit, be used for calculating by DC current and DC voltage the actual motion power of air-conditioner.
Further, the first sampling unit comprises: the first sampling subelement is used for the DC current of the power factor correction circuit of sampling air-conditioner; Or the second sampling subelement, be used for the DC current of the current transformer of sampling air-conditioner.
Further, checkout gear also comprises: the second judging unit is connected with acquiring unit, be used for judging whether the running status of air-conditioner satisfies pre-conditioned, wherein, satisfy when pre-conditioned in the running status of judging air-conditioner, acquiring unit obtains the actual motion power of air-conditioner.
Further, search the unit and comprise: the first detection sub-unit, for detection of outdoor environment temperature; The second detection sub-unit is for detection of indoor environment temperature; Computation subunit is connected with the second detection sub-unit, is used for the accounting temperature difference, and wherein, temperature gap is the difference of indoor environment temperature and design temperature; And search subelement, be connected respectively with the first detection sub-unit with computation subunit, be used for searching the scarce fluorine power of the air-conditioner corresponding with outdoor environment temperature and temperature gap, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of outdoor environment temperature and temperature gap.
To achieve these goals, according to a further aspect in the invention, provide a kind of air-conditioner, comprised the checkout gear of any air conditioner lacks fluorine that foregoing of the present invention provides.
By the present invention, adopt the actual motion power that obtains air-conditioner; Search the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature; Judge that whether actual motion power is less than scarce fluorine power; And when judging actual motion power less than scarce fluorine power, determine air conditioner lacks fluorine, operate power when air-conditioner is lacked fluorine under various ambient temperature conditions is stored, namely, the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature are stored in the air-conditioner, again the actual motion power of air-conditioner is compared with the scarce fluorine power corresponding with current environmental temperature, in the situation of actual motion power less than scarce fluorine power, judge air conditioner lacks fluorine, in the process whether air conditioner lacks fluorine is judged, judge in conjunction with the actual motion power of the residing actual environment of air-conditioner and air-conditioner, solved in the prior art and detected inaccurate problem for air conditioner lacks fluorine, and then reached the effect of the degree of accuracy that improves the air conditioner lacks fluorine detection.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the checkout gear of the embodiment of the invention;
Fig. 2 is the schematic diagram according to the checkout gear of first preferred embodiment of the invention;
Fig. 3 is the schematic diagram according to the checkout gear of second preferred embodiment of the invention; And
Fig. 4 is the flow chart according to the detection method of the embodiment of the invention.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The embodiment of the invention provides a kind of checkout gear of air conditioner lacks fluorine, Fig. 1 is the schematic diagram according to the checkout gear of the embodiment of the invention, as shown in Figure 1, the checkout gear of this embodiment comprise acquiring unit 10, search unit 20, the first judging unit 30 and determining unit 40.
Acquiring unit 10 is for the actual motion power that obtains air-conditioner; Particularly, the power detection module that can detect the air-conditioner operate power can be set in air-conditioner, acquiring unit 10 obtains the actual motion power of air-conditioner by this detection module.
Wherein, T
Outer shroudThe expression outdoor environment temperature, Δ T represents the poor of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, different T when the scarce fluorine of P is illustrated in air conditioner refrigerating
Outer shroudWith the power of compressor corresponding to Δ T, each P lack the value of fluorine may be identical may be not identical yet.
Wherein, T
Outer shroudThe expression outdoor environment temperature, Δ T represents the poor of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, different T when the scarce fluorine of P is illustrated in air-conditioning heating
Outer shroudWith Δ T corresponding the time compressor power, each P lack the value of fluorine may be identical may be not identical yet.
Wherein, T
Outer shroudThe expression outdoor environment temperature, Δ T represents the poor of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, different T when the scarce fluorine of P is illustrated in the air-conditioning dehumidifier
Outer shroudWith Δ T corresponding the time compressor power, each P lack the value of fluorine may be identical may be not identical yet.
More than three forms can also widen or shorten detection range according to actual conditions, also each temperature range can be carried out more careful or more rough division.
The first judging unit 30, with acquiring unit 10 with search unit 20 and be connected respectively, be used for judging that whether actual motion power is less than scarce fluorine power.
Determining unit 40 is connected with the first judging unit 30, is used for determining air conditioner lacks fluorine when judging actual motion power less than scarce fluorine power.
After checkout gear is determined air conditioner lacks fluorine, send judged result the master controller of air-conditioner to, the action of each load of main controller controls air-conditioner is: the control compressor stops immediately; It is out of service after 30 seconds to control outer blower fan time-delay; If air-conditioner operates in refrigeration mode, then control inner blower by the wind speed operation of setting; If air-conditioner operates in heating mode, then control inner blower by blowing the operation of waste heat condition; The display unit of control air-conditioner shows scarce fluorine.
The checkout gear of the embodiment of the invention is judged in conjunction with the actual motion power of the residing actual environment of air-conditioner and air-conditioner in the process whether air conditioner lacks fluorine is judged, solved in the prior art and detected inaccurate problem for air conditioner lacks fluorine, and then reached the effect of the degree of accuracy that improves the air conditioner lacks fluorine detection.
Fig. 2 is the schematic diagram according to the checkout gear of first preferred embodiment of the invention, compare with the checkout gear of the embodiment of the invention shown in Figure 1, the two difference is, as shown in Figure 2: the acquiring unit 10 of first preferred embodiment of the invention can comprise the first sampling unit 11, the second sampling unit 12 and computing unit 13, computing unit 13 is connected respectively with the second sampling unit 12 with the first sampling unit 11, and Fig. 2 is the schematic diagram according to the checkout gear of first preferred embodiment of the invention.
Wherein, the first sampling unit 11 can be current sampling unit, is used for the DC current of air-conditioner operation is sampled.Particularly, can be by the first sampling subelement to air-conditioner power factor correction circuit PFC (Power Factor Correction, abbreviation PFC) DC current in is sampled, also can sample to the DC current in the current transformer of air-conditioner by the second sampling subelement, current transformer is connected on the dc bus or on the live wire.
The second sampling unit 12 can be the voltage sample unit, is used for the DC voltage on the air-conditioner dc bus is sampled.
The DC current of the air-conditioner that computing unit 13 samples according to the first sampling unit 11 and the DC voltage of the air-conditioner that the second sampling unit 12 samples carry out DSP (Digital Signal Processing is called for short DSP) computing and calculate the actual motion power of air-conditioner.
Voltage and current when air-conditioner is moved is sampled respectively, has reached the effect of the actual motion power of Obtaining Accurate air-conditioner.
Fig. 3 is the schematic diagram according to the checkout gear of second preferred embodiment of the invention, compare with the checkout gear of the embodiment of the invention shown in Figure 1, the two difference is, as shown in Figure 3: the checkout gear of second preferred embodiment of the invention also comprises the second judging unit 50 that is connected with acquiring unit 10, the second judging unit is used for judging whether the running status of air-conditioner satisfies pre-conditioned, wherein, satisfy when pre-conditioned in the running status of judging air-conditioner, acquiring unit 10 obtains the actual motion power of air-conditioner.Whether the running status of particularly, judging air-conditioner satisfies pre-conditioned comprising: the running status of judging air-conditioner can meet the following conditions simultaneously:
The compressor of air-conditioner normally moves;
The indoor environment temperature temperature-sensitive bag of air-conditioner and outdoor environment temperature temperature-sensitive Bao Jiwu open fault are also without short trouble;
Air-conditioner does not enter frequently condition of protection limit;
Air-conditioner does not enter protection frequency reducing condition, and wherein, convertible frequency air-conditioner can move limit frequently state, frequency reducing state and protection stopped status successively before entering protection;
Air-conditioner is in non-oil return pattern;
Air-conditioner is in non-defrost pattern;
Air-conditioner is in non-receipts fluorine pattern, so-called receive the fluorine pattern namely be installation personnel when tearing machine open, the pattern of refrigerant recovering be called the fluorine pattern of receiving;
Air-conditioner is in non-test pattern (as: air-conditioner is surveyed soon operation, the operation of air-conditioner frequency modulation, air-conditioner forced refrigeration, air conditioner heat-production etc. and all belonged to test pattern).
When the running status of air-conditioner satisfies above condition simultaneously, obtained again the actual motion power of air-conditioner by acquiring unit 10.
Because when any one condition in the above-mentioned condition does not satisfy, air-conditioner all has extra power consumption, and this part extra power consumption can affect the size of the actual motion power of the air-conditioner that gets access to, lack fluorine and detect and judge so before obtaining the actual motion power of air-conditioner, can satisfy the running status of air-conditioner, reached can Obtaining Accurate air-conditioner actual motion power effect.
Certainly, the first preferred embodiment of the present invention and the second preferred embodiment of the present invention can also be combined into the 3rd preferred embodiment, so that more accurate to obtaining of air-conditioner actual motion power.
The embodiment of the invention also provides a kind of detection method of air conditioner lacks fluorine, and Fig. 4 is the flow chart according to the detection method of the embodiment of the invention, and as shown in Figure 4, the detection method of this embodiment comprises that step S402 is to step S408.
S402: the actual motion power that obtains air-conditioner.Particularly, can be by the DC current in the air-conditioner power factor correction circuit be sampled, or the DC current in the current transformer of air-conditioner sampled by (current transformer be connected on the dc bus or on the live wire), obtain the DC current of air-conditioner; DC voltage on the air-conditioner dc bus is sampled, obtain the DC voltage of air-conditioner; According to the DC voltage of air-conditioner and the actual motion power of DC current calculating air-conditioner.
S404: search the scarce fluorine power of the air-conditioner corresponding with current environmental temperature, wherein, in air-conditioner, store the scarce fluorine power of air-conditioner and the corresponding relation of environment temperature.Particularly, environment temperature comprises outdoor environment temperature and temperature gap, temperature gap is the design temperature of calculating gained and the difference of indoor environment temperature, outdoor environment temperature can detect by the outdoor environment temperature temperature-sensitive bag that is arranged on the air-conditioner, indoor environment temperature can detect by the indoor environment temperature temperature-sensitive bag that is arranged on the air-conditioner, method by experiment obtains the scarce fluorine power of air-conditioner under various ambient temperature conditions, and then with the scarce fluorine power of air-conditioner and corresponding storage at ambient temperature in air-conditioner.Can use in embodiments of the present invention following three forms and determine the scarce fluorine power of air-conditioner, wherein, each scarce fluorine power is to lack under 50% refrigerant in system, the power of the compressor that different type of machines obtains in the lower actual test of different mode and different outdoor environment temperature and temperature gap (indoor environment temperature and design temperature poor):
Wherein, T
Outer shroudThe expression outdoor environment temperature, Δ T represents the poor of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, different T when the scarce fluorine of P is illustrated in air conditioner refrigerating
Outer shroudWith the power of compressor corresponding to Δ T, each P lack the value of fluorine may be identical may be not identical yet.
Wherein, T
Outer shroudThe expression outdoor environment temperature, Δ T represents the poor of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, different T when the scarce fluorine of P is illustrated in air-conditioning heating
Outer shroudWith Δ T corresponding the time compressor power, each P lack the value of fluorine may be identical may be not identical yet.
Wherein, T
Outer shroudThe expression outdoor environment temperature, Δ T represents the poor of indoor environment temperature and design temperature, and A-R represents the interval range of outdoor environment temperature, and a-e represents the interval range of Δ T, different T when the scarce fluorine of P is illustrated in the air-conditioning dehumidifier
Outer shroudWith Δ T corresponding the time compressor power, each P lack the value of fluorine may be identical may be not identical yet.
More than three forms can also widen or shorten detection range according to actual conditions, also each temperature range can be carried out more careful or more rough division.
S406: judge that whether actual motion power is less than scarce fluorine power.
S408: when judging actual motion power less than scarce fluorine power, determine air conditioner lacks fluorine.
After determining air conditioner lacks fluorine, send judged result the master controller of air-conditioner to, the action of each load of main controller controls air-conditioner is: the control compressor stops immediately; It is out of service after 30 seconds to control outer blower fan time-delay; If air-conditioner operates in refrigeration mode, then control inner blower by the wind speed operation of setting; If air-conditioner operates in heating mode, then control inner blower by blowing the operation of waste heat condition; The display unit of control air-conditioner shows scarce fluorine.
The detection method of the embodiment of the invention is judged in conjunction with the actual motion power of the residing actual environment of air-conditioner and air-conditioner in the process whether air conditioner lacks fluorine is judged, solved in the prior art and detected inaccurate problem for air conditioner lacks fluorine, and then reached the effect of the degree of accuracy that improves the air conditioner lacks fluorine detection.
Further, before step S402, the detection method of this embodiment can also comprise: it is pre-conditioned whether the running status of judging air-conditioner satisfies, wherein, satisfy when pre-conditioned in the running status of judging air-conditioner, obtain the actual motion power of air-conditioner.Whether the running status of particularly, judging air-conditioner satisfies pre-conditioned comprising: the running status of judging air-conditioner can meet the following conditions simultaneously:
The compressor of air-conditioner normally moves;
The indoor environment temperature temperature-sensitive bag of air-conditioner and outdoor environment temperature temperature-sensitive Bao Jiwu open fault are also without short trouble;
Air-conditioner does not enter frequently condition of protection limit;
Air-conditioner does not enter protection frequency reducing condition, and wherein, convertible frequency air-conditioner can move limit frequently state, frequency reducing state and protection stopped status successively before entering protection;
Air-conditioner is in non-oil return pattern;
Air-conditioner is in non-defrost pattern;
Air-conditioner is in non-receipts fluorine pattern, so-called receive the fluorine pattern namely be installation personnel when tearing machine open, the pattern of refrigerant recovering be called the fluorine pattern of receiving;
Air-conditioner is in non-test pattern (as: fast survey, frequency modulation operation, forced refrigeration, heat etc.).
When the running status of air-conditioner satisfies above condition simultaneously, obtain again the actual motion power of air-conditioner.
Because when any one condition in the above-mentioned condition does not satisfy, air-conditioner all has extra power consumption, and this part extra power consumption can affect the size of the actual motion power of the air-conditioner that gets access to, lack fluorine and detect and judge so before obtaining the actual motion power of air-conditioner, can satisfy the running status of air-conditioner, reached can Obtaining Accurate air-conditioner actual motion power effect.
Further, the detection method of the embodiment of the invention can be carried out one-time detection by every certain interval of time when carrying out the detection of indoor environment temperature and outdoor environment temperature, it is identical with the zero-time of carrying out the indoor temperature detection to suppose to carry out the zero-time that outdoor temperature detects, be first constantly, every interval the first preset time T 1 detects outdoor environment temperature, every interval the second preset time T 2 detects indoor environment temperature, wherein, the second preset time T 2 is less than the first preset time T 1, then step S404 comprises: judge whether current time (carries out the moment that outdoor environment temperature detects constantly with second, with the second constantly expression) and the 3rd constantly (carry out the moment of indoor environment temperature detection, with the 3rd constantly expression) coincide, if current time is simultaneously with second constantly and the 3rd constantly coincide, then according to the outdoor environment temperature that detects with current time and and the corresponding temperature gap of the indoor environment temperature that detects of current time search the scarce fluorine power of air-conditioner; If current time constantly overlaps with second and does not constantly overlap (namely with the 3rd, current time is to carry out the moment that outdoor environment temperature detects, the moment that indoor environment temperature detects does not also arrive), then search the scarce fluorine power of air-conditioner according to the outdoor environment temperature that temperature gap reaches and current time is corresponding corresponding with the 4th indoor environment temperature that constantly detects, wherein, the 4th constantly for carrying out the time point that indoor environment temperature detects apart from current time the last time, namely, be engraved in before the current time in the 4th o'clock, and with time interval of current time less than second preset time T 2; If current time constantly overlaps with the 3rd and does not constantly overlap (namely with second, current time is to carry out the moment that indoor environment temperature detects, the moment that outdoor environment temperature detects does not also arrive), then search the scarce fluorine power of air-conditioner according to the corresponding temperature gap of the indoor environment temperature that detects with current time and with the 5th constantly corresponding outdoor environment temperature, wherein, the 5th constantly for carrying out the time point that outdoor environment temperature detects apart from current time the last time, namely, be engraved in before the current time in the 5th o'clock, and with time interval of current time less than first preset time T 1.
Detect an outdoor environment temperature by every interval the first preset time T 1, every interval the second preset time T 2 detects an indoor environment temperature, has reached the effect that can in time obtain the scarce fluorine power corresponding with the air-conditioner current environmental temperature.
Wherein, when if design temperature changes, carry out the calculating of indoor environment temperature and design temperature difference after the 3rd preset time T 3 of delaying time, and search with outdoor environment temperature and the scarce fluorine power of the corresponding air-conditioner of temperature gap after upgrading, carry out the judgement of air-conditioner actual motion power and scarce fluorine power.In order to guarantee to carry out repeatedly determining step S406, if the actual motion power of the 4th preset time T 4 interior air-conditioners all less than scarce fluorine power, is then determined air conditioner lacks fluorine to air conditioner lacks fluorine Accuracy of Judgement whether.
In the detection method of the embodiment of the invention, the value of each Preset Time is value according to actual needs, in embodiments of the present invention, T1 gets the arbitrary value in 1-30 minute, T2 gets the arbitrary value in 1-10 minute, and T3 gets the arbitrary value of 1-60 in second, and T4 gets the arbitrary value in 1-10 minute.
In addition, the embodiment of the invention also provides a kind of air-conditioner, this air-conditioner can be any air-conditioner with checkout gear of the air conditioner lacks fluorine that the embodiment of the invention provides, also can be the air-conditioner of the detection method of any air conditioner lacks fluorine that has adopted the embodiment of the invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. the detection method of an air conditioner lacks fluorine is characterized in that, comprising:
Obtain the actual motion power of air-conditioner;
Search the scarce fluorine power of the described air-conditioner corresponding with current environmental temperature, wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of environment temperature;
Judge that whether described actual motion power is less than described scarce fluorine power; And
When judging described actual motion power less than described scarce fluorine power, determine described air conditioner lacks fluorine.
2. detection method according to claim 1 is characterized in that, the actual motion power that obtains air-conditioner comprises:
The DC current that the described air-conditioner of sampling moves;
Sample DC voltage on the described air-conditioner dc bus; And
Calculate the actual motion power of described air-conditioner by described DC current and described DC voltage.
3. detection method according to claim 2 is characterized in that, the DC current of the described air-conditioner operation of sampling comprises:
DC current in the power factor correction circuit of described air-conditioner of sampling; Or
Sample DC current in the current transformer of described air-conditioner.
4. detection method according to claim 1 is characterized in that, before obtaining the actual motion power of air-conditioner, described detection method also comprises:
It is pre-conditioned whether the running status of judging described air-conditioner satisfies,
Wherein, satisfy describedly when pre-conditioned in the running status of judging described air-conditioner, obtain the actual motion power of described air-conditioner.
5. detection method according to claim 1 is characterized in that, the scarce fluorine power of searching the described air-conditioner corresponding with current environmental temperature comprises:
Detect outdoor environment temperature;
Detect indoor environment temperature;
The accounting temperature difference, wherein, described temperature gap is the difference of described indoor environment temperature and design temperature;
And
Search the scarce fluorine power of the described air-conditioner corresponding with described outdoor environment temperature and described temperature gap,
Wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of described outdoor environment temperature and described temperature gap.
6. detection method according to claim 5 is characterized in that,
Detect that described outdoor environment temperature is included in first constantly and second moment was detected respectively outdoor environment temperature, wherein, be engraved in described second o'clock described first constantly after, and described second be the integral multiple of the first Preset Time with described first constantly time interval constantly
Detect that described indoor environment temperature is included in described first constantly and the 3rd moment was detected respectively indoor environment temperature, wherein, be engraved in described the 3rd o'clock after described first moment, and the time interval of described the 3rd moment with described first moment is the integral multiple of the second Preset Time, described the second Preset Time is less than described the first Preset Time, wherein:
The scarce fluorine power of searching the described air-conditioner corresponding with described outdoor environment temperature and described temperature gap comprises:
Judge whether current time overlaps with described second moment and the described the 3rd constantly;
When the described current time of judgement overlaps with described second moment and the described the 3rd simultaneously constantly, search the scarce fluorine power of described air-conditioner according to the temperature gap that the outdoor environment temperature corresponding with current time reaches and described current time is corresponding;
Judging that current time overlaps constantly with described second and described current time when not overlapping with described the 3rd moment, reach the scarce fluorine power of searching described air-conditioner with corresponding temperature gap of the 4th moment according to the outdoor environment temperature corresponding with described current time, wherein, the described the 4th constantly be the moment of detecting indoor environment temperature before described current time, and the time interval of described the 4th moment and described current time is less than described the second Preset Time; And
Judging that current time overlaps constantly with the described the 3rd and described current time when not overlapping with described second moment, search the scarce fluorine power of described air-conditioner according to the outdoor environment temperature that the temperature gap corresponding with described current time reaches and the 5th moment is corresponding, wherein, the described the 5th constantly be the moment of detecting outdoor environment temperature before described current time, and the time interval of described the 5th moment and described current time is less than described the first Preset Time.
7. detection method according to claim 6 is characterized in that, described detection method also comprises:
Judge whether described design temperature changes; And
When judging that described design temperature changes, delay time and upgrade described temperature gap behind the 3rd Preset Time, and search with described outdoor environment temperature and the scarce fluorine power of the corresponding described air-conditioner of temperature gap after upgrading, wherein, temperature gap after the renewal is the difference of the design temperature after described indoor environment temperature and the change, and described the 3rd Preset Time is less than described the second Preset Time.
8. detection method according to claim 1 is characterized in that, judges whether described actual motion power comprises less than described scarce fluorine power:
In the 4th Preset Time, whether judge described actual motion power less than described scarce fluorine power continuously,
Wherein, less than described scarce fluorine power, then determine described air conditioner lacks fluorine if in described the 4th Preset Time, judge continuously described actual motion power.
9. the checkout gear of an air conditioner lacks fluorine is characterized in that, comprising:
Acquiring unit is for the actual motion power that obtains air-conditioner;
Search the unit, be used for searching the scarce fluorine power of the described air-conditioner corresponding with current environmental temperature, wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of environment temperature;
The first judging unit is connected respectively with the described unit of searching with described acquiring unit, is used for judging that whether described actual motion power is less than described scarce fluorine power; And
Determining unit is connected with described the first judging unit, is used for determining described air conditioner lacks fluorine when judging described actual motion power less than described scarce fluorine power.
10. checkout gear according to claim 9 is characterized in that, described acquiring unit comprises:
The first sampling unit is for the DC current of the described air-conditioner operation of sampling;
The second sampling unit is for the DC voltage on the described air-conditioner dc bus of sampling; And
Computing unit is connected respectively with described the second sampling unit with described the first sampling unit, is used for calculating by described DC current and described DC voltage the actual motion power of described air-conditioner.
11. checkout gear according to claim 10 is characterized in that, described the first sampling unit comprises:
The first sampling subelement, the DC current of the power factor correction circuit of the described air-conditioner that is used for sampling; Or
The second sampling subelement, the DC current of the current transformer of the described air-conditioner that is used for sampling.
12. checkout gear according to claim 9 is characterized in that, described checkout gear also comprises:
The second judging unit is connected with described acquiring unit, and it is pre-conditioned whether the running status that is used for judging described air-conditioner satisfies,
Wherein, satisfy describedly when pre-conditioned in the running status of judging described air-conditioner, described acquiring unit obtains the actual motion power of described air-conditioner.
13. checkout gear according to claim 9 is characterized in that, the described unit of searching comprises:
The first detection sub-unit is for detection of outdoor environment temperature;
The second detection sub-unit is for detection of indoor environment temperature;
Computation subunit is connected with described the second detection sub-unit, is used for the accounting temperature difference, and wherein, described temperature gap is the difference of described indoor environment temperature and design temperature; And
Search subelement, be connected respectively with described the first detection sub-unit with described computation subunit, be used for searching the scarce fluorine power of the described air-conditioner corresponding with described outdoor environment temperature and described temperature gap, wherein, in described air-conditioner, store the scarce fluorine power of described air-conditioner and the corresponding relation of described outdoor environment temperature and described temperature gap.
14. an air-conditioner is characterized in that, comprises the checkout gear of each described air conditioner lacks fluorine in the claim 9 to 13.
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