CN105042807B - The method and apparatus for detecting convertible frequency air-conditioner running status - Google Patents
The method and apparatus for detecting convertible frequency air-conditioner running status Download PDFInfo
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- CN105042807B CN105042807B CN201510567273.9A CN201510567273A CN105042807B CN 105042807 B CN105042807 B CN 105042807B CN 201510567273 A CN201510567273 A CN 201510567273A CN 105042807 B CN105042807 B CN 105042807B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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Abstract
The invention discloses a kind of method and apparatus for detecting convertible frequency air-conditioner running status.Wherein, this method includes：Detect the current operation frequency of convertible frequency air-conditioner；In the first preset time, detect whether current operation frequency is more than or equal to predeterminated frequency in real time；In the case that lasting satisfaction is more than or equal to predeterminated frequency in the first preset time in current operation frequency, the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature is calculated；When the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the first preparatory condition, determine that convertible frequency air-conditioner is in abnormal operating condition；When the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the second preparatory condition, determine that convertible frequency air-conditioner is in ability output state.The present invention solves convertible frequency air-conditioner in the case where being unable to normal regulating indoor temperature, can not determine the technical problem of convertible frequency air-conditioner running status.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of method and dress for detecting convertible frequency air-conditioner running status
Put.
Background technology
At present, convertible frequency air-conditioner product in the process of running, can export according to the size adaptation adjustment capability of actual load.
Air-conditioning output can not actual load demand when, self-operating frequency can be improved to match with workload demand.
In convertible frequency air-conditioner operation, when situations below be present, even if operation of air conditioner frequency is adjusted to higher limit, also meet
Not workload demand：1. occur user's improper use during operation of air conditioner, for example, forget that shutdown window etc. does not form closing space,
Cause operation of air conditioner frequency is very high can not but meet to adjust room temperature, also, because the invalid acting of air-conditioning causes energy loss；
2. room load is excessive, beyond air conditioner load ability, when causing operation of air conditioner, can not continue to adjust after regulation to some temperature value
Save temperature；3. exception occurs in air-conditioning itself, cause temperature adjustment ability to be far below normal output level, cause air-conditioning normal
Adjust room temperature.Normal regulating indoor temperature situation is unable to for above-mentioned air-conditioning, for a user, can not judge that air-conditioning is transported
Capable state, or which kind of reason cause air-conditioning to be unable to normal regulating indoor temperature.When air-conditioning actual load is born beyond air-conditioning
In the case of loading capability, user proposes maintenance call, will also cause human cost to waste.
For above-mentioned convertible frequency air-conditioner in the case where being unable to normal regulating indoor temperature, it can not determine that convertible frequency air-conditioner runs shape
The problem of state, effective solution is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of method and apparatus for detecting convertible frequency air-conditioner running status, at least to solve frequency conversion
Air-conditioning can not determine the technical problem of convertible frequency air-conditioner running status in the case where being unable to normal regulating indoor temperature.
One side according to embodiments of the present invention, there is provided a kind of method for detecting convertible frequency air-conditioner running status, including：
Detect the current operation frequency of convertible frequency air-conditioner；In the first preset time, detect whether current operation frequency is more than or equal in real time
Predeterminated frequency；In the case that in current operation frequency, lasting satisfaction is more than or equal to predeterminated frequency in the first preset time, calculate
The temperature difference of air-conditioning heat exchanger temperature and current environmental temperature；When the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature expires
During the first preparatory condition of foot, determine that convertible frequency air-conditioner is in abnormal operating condition；When air-conditioning heat exchanger temperature and current environmental temperature
Temperature difference meet the second preparatory condition when, determine that convertible frequency air-conditioner is in ability output state.
Further, predeterminated frequency is the upper limiting frequency of convertible frequency air-conditioner, or predeterminated frequency is when convertible frequency air-conditioner is run
High frequency values.
Further, in the first preset time, in real time detect current operation frequency whether be more than or equal to predeterminated frequency it
Before, method includes：The first environment temperature of initial time is detected, wherein, it is determined that convertible frequency air-conditioner is in ability output state
Afterwards, method also includes：Detect the second environment temperature at current time；Judge the temperature of first environment temperature and second environment temperature
Whether degree difference is in preset temperature range；When the temperature difference of first environment temperature and second environment temperature is in preset temperature range
When, determine that convertible frequency air-conditioner is in load abnormality；When the temperature difference of first environment temperature and second environment temperature is not default
When in temperature range, return perform detection convertible frequency air-conditioner current operation frequency the step of.
Further, meet to be more than or equal in advance when the current operation frequency of convertible frequency air-conditioner is lasting in the first preset time
If in the case of frequency, return perform detection convertible frequency air-conditioner current operation frequency the step of；Or when air-conditioning heat exchanger temperature
Do not meet the first preparatory condition with the temperature difference of current environmental temperature, return to the current operation frequency of perform detection convertible frequency air-conditioner
Step, or, when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature does not meet the second preparatory condition, return performs inspection
The step of surveying the current operation frequency of convertible frequency air-conditioner.
Further, after it is determined that convertible frequency air-conditioner is in abnormal operating condition, convertible frequency air-conditioner misoperation alarm is sent
Signal；Or after it is determined that convertible frequency air-conditioner is in load abnormality, send convertible frequency air-conditioner load abnormal alarm signal.
Another aspect according to embodiments of the present invention, additionally provide a kind of device for detecting convertible frequency air-conditioner running status, bag
Include：First detection unit, for detecting the current operation frequency of convertible frequency air-conditioner；First detection unit, for when first is default
In, detect whether current operation frequency is more than or equal to predeterminated frequency in real time；Computing unit, in current operation frequency
It is lasting in one preset time to meet in the case of being more than or equal to predeterminated frequency, calculate air-conditioning heat exchanger temperature and current environmental temperature
Temperature difference；First determining unit, for meeting that first is default when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature
During condition, determine that convertible frequency air-conditioner is in abnormal operating condition；Second determining unit, for when air-conditioning heat exchanger temperature is with working as front ring
When the temperature difference of border temperature meets the second preparatory condition, determine that convertible frequency air-conditioner is in ability output state.
Further, predeterminated frequency is the upper limiting frequency of convertible frequency air-conditioner, or predeterminated frequency is when convertible frequency air-conditioner is run
High frequency values.
Further, device also includes：3rd detection unit, for detecting the first environment temperature of initial time；4th
Detection unit, for detecting the second environment temperature at current time；Judging unit, for judging first environment temperature and the second ring
Whether the temperature difference of border temperature is in preset temperature range；3rd determining unit, for when first environment temperature and second environment
When the temperature difference of temperature is in preset temperature range, determine that convertible frequency air-conditioner is in load abnormality；First returning unit, is used for
When the temperature difference of first environment temperature and second environment temperature is not in preset temperature range, returns and perform the first detection unit
Function.
Further, device also includes, the second returning unit, pre- first for the current operation frequency when convertible frequency air-conditioner
If not lasting in the time meet in the case of being more than or equal to predeterminated frequency, the function of performing the first detection unit is returned；Or the
Three returning units, for when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature does not meet the first preparatory condition, returning
The function of the detection unit of receipt row first；4th returning unit, for when the temperature of air-conditioning heat exchanger temperature and current environmental temperature
When degree difference does not meet the second preparatory condition, the function of performing the first detection unit is returned.
Further, device also includes, the first alarm unit, for it is determined that convertible frequency air-conditioner is in abnormal operating condition
In the case of, send convertible frequency air-conditioner misoperation alarm signal；Or second alarm unit, for it is determined that convertible frequency air-conditioner is in
In the case of load abnormality, convertible frequency air-conditioner load abnormal alarm signal is sent.
In embodiments of the present invention, using the current operation frequency of detection convertible frequency air-conditioner；In the first preset time, in real time
Whether detection current operation frequency is more than or equal to predeterminated frequency；In current operation frequency, lasting satisfaction is big in the first preset time
In the case of equal to predeterminated frequency, the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature is calculated；Work as air-conditioning heat exchanger
When the temperature difference of temperature and current environmental temperature meets the first preparatory condition, determine that convertible frequency air-conditioner is in abnormal operating condition；When
When the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the second preparatory condition, determine that convertible frequency air-conditioner is in ability
The mode of output state, solve convertible frequency air-conditioner in the case where being unable to normal regulating indoor temperature, convertible frequency air-conditioner can not be determined
The technical problem of running status.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of flow chart of the method for detection convertible frequency air-conditioner running status according to embodiments of the present invention；
Fig. 2 is the method that a kind of optional detection convertible frequency air-conditioner according to embodiments of the present invention is in abnormal operating condition
Flow chart；
Fig. 3 is the method that a kind of optional detection convertible frequency air-conditioner according to embodiments of the present invention is in load abnormality
Flow chart；And
Fig. 4 is a kind of schematic diagram of the device of detection convertible frequency air-conditioner running status according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment one
According to embodiments of the present invention, there is provided a kind of embodiment of the method for detecting convertible frequency air-conditioner running status is, it is necessary to illustrate
, can be held the step of the flow of accompanying drawing illustrates in the computer system of such as one group computer executable instructions
OK, although also, show logical order in flow charts, in some cases, can be with different from order herein
Perform shown or described step.
Fig. 1 is a kind of flow chart of the method for detection convertible frequency air-conditioner running status according to embodiments of the present invention, such as Fig. 1 institutes
Show, this method comprises the following steps：
Step S102, detect the current operation frequency of convertible frequency air-conditioner.
Step S104, in the first preset time, detect whether current operation frequency is more than or equal to predeterminated frequency in real time.
Specifically, in above-mentioned steps S102 into step S104, the first preset time can be it is set in advance, such as 30
Minute.Predeterminated frequency can be convertible frequency air-conditioner operation high frequency values, or convertible frequency air-conditioner run when upper limiting frequency.
Step S106, in current operation frequency, lasting satisfaction is more than or equal to the situation of predeterminated frequency in the first preset time
Under, the temperature difference of calculating air-conditioning heat exchanger temperature and current environmental temperature.
Specifically, in above-mentioned steps S106, it is determined that convertible frequency air-conditioner be in high-frequency run the first preset time after, meter
Calculate the temperature difference of air-conditioning heat exchanger and current environmental temperature.
It should be noted that in the case of convertible frequency air-conditioner normal work, after a period of time is run with high-frequency, air-conditioning
The temperature difference of heat exchange temperature and current environmental temperature can be bigger.When the temperature difference is smaller, illustrate the defeated of convertible frequency air-conditioner
Output capacity is seriously relatively low, and in abnormal condition, air-conditioning is currently low to the temperature adjustment ability in room.
Step S108, when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the first preparatory condition, really
Determine convertible frequency air-conditioner and be in abnormal operating condition.
Specifically, in above-mentioned steps S108, the first preparatory condition can be the first temperature threshold set in advance, in sky
When adjusting the temperature difference of heat exchange temperature and current environmental temperature to be less than the first temperature threshold set in advance, air-conditioning heat exchanger is determined
The temperature difference of temperature and current environmental temperature meets the first preparatory condition, it may be determined that convertible frequency air-conditioner is in abnormal operating condition.
It should be noted that abnormal operating condition can be caused by following one or more situations：1. convertible frequency air-conditioner refrigerant
Temperature adjustment ability caused by leakage declines, and causes anomalous of air conditioner to run；2. dirty stifled problem inside convertible frequency air-conditioner be present causes sky
Adjust misoperation；3. exception occur in the parts of convertible frequency air-conditioner, anomalous of air conditioner is caused to run, for example valve like members has exception, such as：
Four-way valve operating position exception, choke valve remarkable action etc..
Step S110, when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the second preparatory condition, really
Determine convertible frequency air-conditioner and be in ability output state.
Specifically, in above-mentioned steps S110, the second preparatory condition can be second temperature threshold value set in advance, in sky
When adjusting the temperature difference of heat exchange temperature and current environmental temperature to be more than second temperature threshold value set in advance, air-conditioning heat exchanger is determined
The temperature difference of temperature and current environmental temperature meets the second preparatory condition, it may be determined that convertible frequency air-conditioner is in ability output shape
State.
It should be noted that convertible frequency air-conditioner, which is in ability output state, represents convertible frequency air-conditioner normal operation, convertible frequency air-conditioner
Itself do not occur exception.It can be current environmental temperature and the temperature difference of preset temperature that convertible frequency air-conditioner, which is in ability output state,
Larger, convertible frequency air-conditioner is run with high-frequency to adjust current environmental temperature.
By above-mentioned steps S102 to step S110, by the current operation frequency for detecting convertible frequency air-conditioner；It is default first
In time, detect whether current operation frequency is more than or equal to predeterminated frequency in real time；When current operation frequency is in the first preset time
The interior lasting temperature difference for meeting in the case of being more than or equal to predeterminated frequency, calculating air-conditioning heat exchanger temperature and current environmental temperature；
When the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the first preparatory condition, determine that convertible frequency air-conditioner is in abnormal
Running status；When the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature meets the second preparatory condition, frequency conversion sky is determined
Mediate in ability output state, solve convertible frequency air-conditioner in the case where being unable to normal regulating indoor temperature, can not determine to become
The technical problem of frequency running state of air conditioner.
Alternatively, predeterminated frequency is the upper limiting frequency of convertible frequency air-conditioner, or predeterminated frequency is height when convertible frequency air-conditioner is run
Frequency values.
Specifically, upper limiting frequency when predeterminated frequency can select the convertible frequency air-conditioner to run, or convertible frequency air-conditioner is run
When high frequency values.Pass through the above method, it is ensured that follow-up to judge that convertible frequency air-conditioner is in abnormal operating condition or frequency conversion is empty
Mediate accuracy when ability output state.
Alternatively, in step S104, the first preset time, current operation frequency is detected in real time whether more than or equal to default
Before frequency, this method can include：Step S103, the first environment temperature of initial time is detected, wherein, in step S110,
Determine that convertible frequency air-conditioner is in after ability output state, this method can also include：
Step S112, detect the second environment temperature at current time.
Specifically, the first environment temperature before the first preset time is have detected in step s 103, in step S112
In, the second environment temperature after have detected air-conditioning between operation first is default.Pass through above-mentioned steps S103 and step
S112, convertible frequency air-conditioner is detected in temperature change caused by continuous a period of time.
Step S114, judge first environment temperature with the temperature difference of second environment temperature whether in preset temperature range.
Specifically, first environment temperature and second environment temperature are carried out seeking difference operation, obtains first environment temperature and the
The temperature difference of two environment temperatures.Preset temperature range can be it is fixed in advance, such as -1 DEG C to 1 DEG C.
Step S116, when the temperature difference of first environment temperature and second environment temperature is in preset temperature range, it is determined that
Convertible frequency air-conditioner is in load abnormality.
Specifically, in above-mentioned steps S116, in convertible frequency air-conditioner under ability output state, and one section is continuously run
After time, during the temperature change very little of environment temperature, illustrate that the actual load of convertible frequency air-conditioner is excessive.
Under a kind of optional scene, in cooling mode, convertible frequency air-conditioner is run more than 30 minutes with the running frequency upper limit
Afterwards, environment temperature only reduces by 0.5 DEG C, illustrates that current loads are excessive, and refrigerating of convertible frequency air conditioner ability can not meet current bear
Lotus demand.
It should be noted that above-mentioned load abnormality can be caused by following situation：1. operation of air conditioner environment is non-close
Closed loop border；2. the actual load of operation of air conditioner environment and the load of convertible frequency air-conditioner mismatch；3. user's design temperature is too high or mistake
It is low.
Step S118, when the temperature difference of first environment temperature and second environment temperature is not in preset temperature range, return
Receipt row step S102, detect the current operation frequency of convertible frequency air-conditioner.
Specifically, in above-mentioned steps S118, convertible frequency air-conditioner under ability output state, and continuously run one section when
Between after, the temperature change of environment temperature determines that convertible frequency air-conditioner current loads are normal not in preset range.Convertible frequency air-conditioner can be with
Normal refrigerating operaton or heating operation, the step of returning to perform detection convertible frequency air-conditioner current operation frequency, continue to judge to become
The running status of frequency air-conditioning.
Alternatively, in step S104, in the first preset time, detect whether current operation frequency is more than or equal in advance in real time
If after frequency, this method also includes：
Step S105, meet to be more than or equal in advance when the current operation frequency of convertible frequency air-conditioner is lasting in the first preset time
If in the case of frequency, return perform detection convertible frequency air-conditioner current operation frequency the step of.
Specifically, in above-mentioned steps S105, do not held in the first preset time in the current operation frequency of convertible frequency air-conditioner
It is continuous to meet in the case of being more than or equal to predeterminated frequency, it may be determined that convertible frequency air-conditioner current loads are normal and convertible frequency air-conditioner is run just
Often.Convertible frequency air-conditioner can normally refrigerating operaton or heating operation, return to perform detection convertible frequency air-conditioner current operation frequency
Step, continue to judge the running status of convertible frequency air-conditioner.
Alternatively, after step S106, the temperature difference for calculating air-conditioning heat exchanger temperature and current environmental temperature, this method
Also include：
Step S1091, when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature does not meet the first preparatory condition,
The step of returning to the current operation frequency of perform detection convertible frequency air-conditioner.
Step S1093, when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature does not meet the second preparatory condition,
The step of returning to the current operation frequency of perform detection convertible frequency air-conditioner.
Specifically, in above-mentioned steps S1091 into step S1093, specifically, when air-conditioning heat exchanger temperature and current environment
The temperature difference of temperature, which is unsatisfactory for the first preparatory condition, can determine convertible frequency air-conditioner normal operation, return and perform perform detection frequency conversion sky
The step of current operation frequency of tune, convertible frequency air-conditioner can normally refrigerating operaton or heating operation, continue to judge frequency conversion sky
The running status of tune.Or the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature is unsatisfactory for the second preparatory condition
When, it may be determined that the step of convertible frequency air-conditioner current loads are normal, and return performs the current operation frequency of perform detection convertible frequency air-conditioner,
Convertible frequency air-conditioner can normally refrigerating operaton or heating operation, continue to judge the running status of convertible frequency air-conditioner.
Alternatively, in step S108, in the case of it is determined that convertible frequency air-conditioner is in abnormal operating condition, this method can be with
Including：
Step S1081, send convertible frequency air-conditioner misoperation alarm signal.
Specifically, in above-mentioned steps S1081, after it is determined that convertible frequency air-conditioner is in abnormal operating condition, can to
Family sends convertible frequency air-conditioner misoperation alarm signal, so that user overhauls to convertible frequency air-conditioner in time.Avoid in convertible frequency air-conditioner
After abnormal operating condition, continue keep high-frequency operation caused by can not normal regulating environment temperature, and caused by money
The problem of source wastes.
Alternatively, in step S110, in the case of it is determined that convertible frequency air-conditioner is in load abnormality, this method can be with
Including：
Step S1101, send convertible frequency air-conditioner load abnormal alarm signal.
Specifically,, can be to user after it is determined that convertible frequency air-conditioner is in load abnormality in above-mentioned steps S1101
The abnormal alarm signal of convertible frequency air-conditioner load is sent, so that user adjusts indoor temperature or checks operation of air conditioner environment in time,
Avoid air-conditioning high-frequency run caused by can not normal regulating environment temperature, and caused by the wasting of resources the problem of.
It should be noted that above-mentioned convertible frequency air-conditioner misoperation alarm signal can with convertible frequency air-conditioner load abnormal alarm signal
To use different type of alarms, type of alarm can be that the design temperature for the display for setting convertible frequency air-conditioner enters line flicker, or
Setting convertible frequency air-conditioner sends auditory tone cues etc..
With reference to above-described embodiment one, under a kind of optional application scenarios, the scheme provided the embodiment of the present application one is entered
Row description.Fig. 2 is the method that a kind of optional detection convertible frequency air-conditioner according to embodiments of the present invention is in abnormal operating condition
Flow chart.As shown in Fig. 2 this method can include：
Step a, refrigerating of convertible frequency air conditioner operation or convertible frequency air-conditioner heating operation.
Step b, detect the current operation frequency of convertible frequency air-conditioner.
Step c, judge current operation frequency F >=A, and whether running time T >=B sets up.When current operation frequency F >=
A, and during running time T >=B establishments, step d is performed, as current operation frequency F >=A, and running time T >=B is invalid
When, perform step f.
It should be noted that in above-mentioned steps c, A can be predeterminated frequency, and B can be the first preset time, pre- first
If in the time, detect whether current operation frequency is more than or equal to predeterminated frequency in real time.Predeterminated frequency A can be convertible frequency air-conditioner operation
When upper limiting frequency, or high frequency values in convertible frequency air-conditioner running.
Step d, judge △ T=| TIndoor heat exchanger-TEnvironment|<Whether C sets up.As △ T=| TIndoor heat exchanger-TEnvironment|<When C is set up, hold
Row step e, as △ T=| TIndoor heat exchanger-TEnvironment|<When C is invalid, step f is performed.
Specifically, C can be the first temperature threshold set in advance, in air-conditioning heat exchanger temperature and current environmental temperature
When temperature difference is less than the first temperature threshold set in advance, it may be determined that convertible frequency air-conditioner is in abnormal operating condition.
It should be noted that in the case of convertible frequency air-conditioner normal work, after a period of time is run with high-frequency, air-conditioning
The temperature difference of heat exchange temperature and current environmental temperature can be bigger.When the temperature difference is smaller, illustrate the defeated of convertible frequency air-conditioner
Output capacity is seriously relatively low, and in abnormal condition, air-conditioning is currently low to the temperature adjustment ability in room.
It should also be noted that, abnormal operating condition can be caused by following one or more situations：1. convertible frequency air-conditioner is cold
Temperature adjustment ability caused by matchmaker's leakage declines, and causes anomalous of air conditioner to run；2. there is dirty stifled problem inside convertible frequency air-conditioner to cause
Anomalous of air conditioner is run；3. exception occur in the parts of convertible frequency air-conditioner, anomalous of air conditioner is caused to run, for example valve like members has exception, example
Such as：Four-way valve operating position exception, choke valve remarkable action etc..
Step e, convertible frequency air-conditioner are in abnormal operating condition.
Step f, by normal refrigerating operaton or heating operation.
By above-mentioned steps a to step f, by the current running frequency state of convertible frequency air-conditioner, air-conditioning heat exchanger temperature with
The temperature gap of environment temperature, it can be determined that the state that air-conditioning is presently in, and whether be according to detection condition adjudgement air-conditioning
Abnormality and cause air conditioning capacity output abnormality, and in an exceptional case report abnormal failure remind user maintenance.
With reference to above-described embodiment one, under a kind of optional application scenarios, the scheme provided the embodiment of the present application one is entered
Row description.Fig. 3 is the method that a kind of optional detection convertible frequency air-conditioner according to embodiments of the present invention is in load abnormality
Flow chart.As shown in figure 3, this method can include：
Step A, the operation of frequency air conditioner refrigerating or convertible frequency air-conditioner heating operation.
Step B, detect the current operation frequency of convertible frequency air-conditioner and record current environmental temperature TEnvironment 1。
Step C, judge current operation frequency F >=A, and whether running time T >=B sets up.When current operation frequency F >=
A, and during running time T >=B establishments, step D is performed, as current operation frequency F >=A, and running time T >=B is invalid
When, perform step H.
Specifically, A can be predeterminated frequency, and B can be the first preset time, in the first preset time, detection in real time
Whether current operation frequency is more than or equal to predeterminated frequency.Upper limiting frequency when predeterminated frequency A can be convertible frequency air-conditioner operation operation,
High frequency values either in convertible frequency air-conditioner running.
Step D, judge △ T=| TIndoor heat exchanger-TEnvironment 2|>Whether D sets up.As △ T=| TIndoor heat exchanger-TEnvironment 2|>When D is set up, hold
Row step E, as △ T=| TIndoor heat exchanger-TEnvironment 2|>When D is invalid, step H is performed.
Specifically, in above-mentioned steps D, D can be second temperature threshold value set in advance.Air-conditioning heat exchanger temperature with
When the temperature difference of current environmental temperature is more than second temperature threshold value set in advance, it may be determined that it is defeated that convertible frequency air-conditioner is in ability
Do well.
Step E, detection current environmental temperature TEnvironment 3。
Step F, judge △ T1=| TEnvironment 3-TEnvironment 1|<Whether E sets up.As △ T1=| TEnvironment 3-TEnvironment 1|<When E is set up, perform
Step G, as △ T1=| TEnvironment 3-TEnvironment 1|<When E is invalid, step H is performed.
Specifically, in above-mentioned steps F, TEnvironment 1Can be the first environment temperature in the present embodiment, TEnvironment 3It can be this reality
Apply the second environment temperature in example.E can be predetermined temperature threshold value, such as：1℃.When variation of ambient temperature is less than E
When, illustrate that the actual load of convertible frequency air-conditioner is excessive.When variation of ambient temperature is more than or equal to E, it may be determined that convertible frequency air-conditioner is current
Load is normal and convertible frequency air-conditioner normal operation.
Step G, convertible frequency air-conditioner are in load abnormality, remind user to check.
It should be noted that above-mentioned load abnormality can be caused by following situation：1. operation of air conditioner environment is non-close
Closed loop border；2. the actual load of operation of air conditioner environment and the load of convertible frequency air-conditioner mismatch；3. user's design temperature is too high or mistake
It is low.
Step H, by normal refrigerating operaton or heating operation.
By above-mentioned steps A to step H, by check the current running frequency state of air-conditioning, air-conditioning heat exchanger temperature with
The temperature gap of environment temperature and the rate of change of environment temperature, it can be determined that the state that air-conditioning is presently in, and according to sky
Adjust the status adjustment operation of air conditioner being presently in realize the purpose of energy-conservation, and user is reminded in the case of load exception.
Embodiment two
According to embodiments of the present invention, a kind of device embodiment for detecting convertible frequency air-conditioner running status is additionally provided, it is necessary to say
Bright, the device of the detection convertible frequency air-conditioner running status can be used for the detection convertible frequency air-conditioner operation for realizing the embodiment of the present invention
The method of state, the method for the detection convertible frequency air-conditioner running status of the embodiment of the present invention can also be run by detecting convertible frequency air-conditioner
The device of state performs, and carries out in the inventive method embodiment repeating no more for explanation.
Fig. 4 is a kind of schematic diagram of the device of detection convertible frequency air-conditioner running status according to embodiments of the present invention.Such as Fig. 4 institutes
Show, the device includes：
First detection unit 40, for detecting the current operation frequency of convertible frequency air-conditioner.
Second detection unit 42, in the first preset time, detecting whether current operation frequency is more than or equal in real time
Predeterminated frequency.
Specifically, the first preset time can be set in advance, such as 30 minutes.Predeterminated frequency can be convertible frequency air-conditioner
The high frequency values of operation, or upper limiting frequency during convertible frequency air-conditioner operation.
Computing unit 44, for lasting satisfaction to be more than or equal to predeterminated frequency in the first preset time in current operation frequency
In the case of, the temperature difference of calculating air-conditioning heat exchanger temperature and current environmental temperature.
Specifically, it is determined that convertible frequency air-conditioner be in high-frequency run the first preset time after, calculate air-conditioning heat exchanger with work as
The temperature difference of preceding environment temperature.
It should be noted that in the case of convertible frequency air-conditioner normal work, after a period of time is run with high-frequency, air-conditioning
The temperature difference of heat exchange temperature and current environmental temperature can be bigger.When the temperature difference is smaller, illustrate the defeated of convertible frequency air-conditioner
Output capacity is seriously relatively low, and in abnormal condition, air-conditioning is currently low to the temperature adjustment ability in room.
First determining unit 46, for meeting that first is default when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature
During condition, determine that convertible frequency air-conditioner is in abnormal operating condition.
Specifically, the first preparatory condition can be the first temperature threshold set in advance, in air-conditioning heat exchanger temperature with working as
When the temperature difference of preceding environment temperature is less than the first temperature threshold set in advance, air-conditioning heat exchanger temperature and current environment temperature are determined
The temperature difference of degree meets the first preparatory condition, it may be determined that convertible frequency air-conditioner is in abnormal operating condition.
It should be noted that abnormal operating condition can be caused by following one or more situations：1. convertible frequency air-conditioner refrigerant
Temperature adjustment ability caused by leakage declines, and causes anomalous of air conditioner to run；2. dirty stifled problem inside convertible frequency air-conditioner be present causes sky
Adjust misoperation；3. exception occur in the parts of convertible frequency air-conditioner, anomalous of air conditioner is caused to run, for example valve like members has exception, such as：
Four-way valve operating position exception, choke valve remarkable action etc..
Second determining unit 48, for meeting that second is default when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature
During condition, determine that convertible frequency air-conditioner is in ability output state.
Specifically, the second preparatory condition can be second temperature threshold value set in advance, in air-conditioning heat exchanger temperature with working as
When the temperature difference of preceding environment temperature is more than second temperature threshold value set in advance, air-conditioning heat exchanger temperature and current environment temperature are determined
The temperature difference of degree meets the second preparatory condition, it may be determined that convertible frequency air-conditioner is in ability output state.
It should be noted that convertible frequency air-conditioner, which is in ability output state, represents convertible frequency air-conditioner normal operation, convertible frequency air-conditioner
Itself do not occur exception.It can be current environmental temperature and the temperature difference of preset temperature that convertible frequency air-conditioner, which is in ability output state,
Larger, convertible frequency air-conditioner is run with high-frequency to adjust current environmental temperature.
The embodiment of the present application is by the first detection unit 40, for detecting the current operation frequency of convertible frequency air-conditioner；Second inspection
Unit 42 is surveyed, in the first preset time, detecting whether the current operation frequency is more than or equal to predeterminated frequency in real time；Meter
Unit 44 is calculated, for meeting to be more than or equal to the default frequency when the current operation frequency is lasting in first preset time
In the case of rate, the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature is calculated；First determining unit 46, for when described
When the temperature difference of air-conditioning heat exchanger temperature and the current environmental temperature meets the first preparatory condition, determine that the frequency conversion is empty
Mediate in abnormal operating condition；Second determining unit 48, for when the air-conditioning heat exchanger temperature and the current environmental temperature
The temperature difference meet the second preparatory condition when, determine that the convertible frequency air-conditioner is in ability output state.
Alternatively, predeterminated frequency can be the upper limiting frequency of convertible frequency air-conditioner, or predeterminated frequency in the second detection unit 42
High frequency values when being run for convertible frequency air-conditioner.
Specifically, upper limiting frequency when predeterminated frequency can select the convertible frequency air-conditioner to run, or convertible frequency air-conditioner is run
When high frequency values.Pass through the above method, it is ensured that follow-up to judge that convertible frequency air-conditioner is in abnormal operating condition or frequency conversion is empty
Mediate accuracy when ability output state.
Alternatively, the device can also include：
3rd detection unit, for detecting the first environment temperature of initial time.
4th detection unit, for detecting the second environment temperature at current time.
Specifically, by the 3rd detection unit and the 4th detection unit, convertible frequency air-conditioner is detected at continuous one section
Between caused temperature change.
Judging unit, for judging first environment temperature with the temperature difference of second environment temperature whether in preset temperature range
It is interior.
Specifically, first environment temperature and second environment temperature are carried out seeking difference operation, obtains first environment temperature and the
The temperature difference of two environment temperatures.Preset temperature range can be it is fixed in advance, such as -1 DEG C to 1 DEG C.
3rd determining unit, for when the temperature difference of first environment temperature and second environment temperature is in preset temperature range
When, determine that convertible frequency air-conditioner is in load abnormality.
Specifically, in convertible frequency air-conditioner under ability output state, and continuously after operation a period of time, environment temperature
Temperature change very little when, illustrate that the actual load of convertible frequency air-conditioner is excessive.
Under a kind of optional scene, in cooling mode, convertible frequency air-conditioner is run more than 30 minutes with the running frequency upper limit
Afterwards, environment temperature only reduces by 0.5 DEG C, illustrates that current loads are excessive, and refrigerating of convertible frequency air conditioner ability can not meet current bear
Lotus demand.
It should be noted that above-mentioned load abnormality can be caused by following situation：1. operation of air conditioner environment is non-close
Closed loop border；2. the actual load of operation of air conditioner environment and the load of convertible frequency air-conditioner mismatch；3. user's design temperature is too high or mistake
It is low.
First returning unit, for when the temperature difference of first environment temperature and second environment temperature is not in preset temperature range
When interior, the function of performing the first detection unit 40 is returned.
Specifically, convertible frequency air-conditioner is under ability output state, and after continuously running a period of time, environment temperature
Temperature change determines that convertible frequency air-conditioner current loads are normal not in preset range.Convertible frequency air-conditioner can normally refrigerating operaton or
Person's heating operation, the function of performing the first detection unit 40 is returned, continues to judge the running status of convertible frequency air-conditioner.
Alternatively, the device can also include：
Second returning unit, for meeting greatly when the current operation frequency of convertible frequency air-conditioner is lasting in the first preset time
In the case of equal to predeterminated frequency, the function of performing the first detection unit 40 is returned.
Specifically, do not meet persistently to be more than or equal to preset in the first preset time in the current operation frequency of convertible frequency air-conditioner
In the case of frequency, it may be determined that convertible frequency air-conditioner current loads are normal and convertible frequency air-conditioner normal operation.Convertible frequency air-conditioner can be just
Normal refrigerating operaton or heating operation, the function of performing the first detection unit 40 is returned, continues to judge the operation of convertible frequency air-conditioner
State.
3rd returning unit, for not meeting that first is default when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature
During condition, the function of performing the first detection unit 40 is returned.
4th returning unit, for not meeting that second is default when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature
During condition, the function of performing the first detection unit 40 is returned.
Specifically, when the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature is unsatisfactory for the first preparatory condition can be true
Determine convertible frequency air-conditioner normal operation, return to the function of performing the first detection unit 40, convertible frequency air-conditioner can normally refrigerating operaton or
Person's heating operation, continue to judge the running status of convertible frequency air-conditioner.Or the temperature of air-conditioning heat exchanger temperature and current environmental temperature
When difference is unsatisfactory for the second preparatory condition, it may be determined that convertible frequency air-conditioner current loads are normal, return and perform the first detection list
The function of member 40, convertible frequency air-conditioner can normally refrigerating operaton or heating operation, continue to judge the running status of convertible frequency air-conditioner.
Alternatively, the device can also include：
First alarm unit, in the case of it is determined that convertible frequency air-conditioner is in abnormal operating condition, sending convertible frequency air-conditioner
Misoperation alarm signal.
Specifically, after it is determined that convertible frequency air-conditioner is in abnormal operating condition, convertible frequency air-conditioner exception can be issued the user with
Alarm signal is run, so that user overhauls to convertible frequency air-conditioner in time.Avoid after convertible frequency air-conditioner is in abnormal operating condition,
Continue keep high-frequency operation caused by can not normal regulating environment temperature, and caused by the wasting of resources the problem of.
Second alarm unit, in the case of it is determined that convertible frequency air-conditioner is in load abnormality, sending convertible frequency air-conditioner
Load abnormal alarm signal.
Specifically, after it is determined that convertible frequency air-conditioner is in load abnormality, it is different that convertible frequency air-conditioner load can be issued the user with
Normal alarm signal, so that user adjusts indoor temperature or checks operation of air conditioner environment in time, air-conditioning high-frequency is avoided to run
Caused by can not normal regulating environment temperature, and caused by the wasting of resources the problem of.
It should be noted that above-mentioned convertible frequency air-conditioner misoperation alarm signal can with convertible frequency air-conditioner load abnormal alarm signal
To use different type of alarms, type of alarm can be that the design temperature for the display for setting convertible frequency air-conditioner enters line flicker, or
Setting convertible frequency air-conditioner sends auditory tone cues etc..
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. method for detecting convertible frequency air-conditioner running status, it is characterised in that including：Detect the current operation frequency of convertible frequency air-conditioner；In the first preset time, detect whether the current operation frequency is more than or equal to predeterminated frequency in real time；In the current operation frequency, lasting satisfaction is more than or equal to the situation of the predeterminated frequency in first preset time Under, the temperature difference of calculating air-conditioning heat exchanger temperature and current environmental temperature；When the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature meets the first preparatory condition, it is determined that The convertible frequency air-conditioner is in abnormal operating condition；When the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature meets the second preparatory condition, it is determined that The convertible frequency air-conditioner is in ability output state；Wherein, first preparatory condition is less than for the temperature difference of the air-conditioning heat exchanger temperature and current environmental temperature and set in advance The first fixed temperature threshold, second preparatory condition are more than pre- for the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature The second temperature threshold value first set.
- 2. according to the method for claim 1, it is characterised in that the predeterminated frequency is the upper limit frequency of the convertible frequency air-conditioner Rate, or the predeterminated frequency are the high frequency values when convertible frequency air-conditioner is run.
- 3. according to the method for claim 1, it is characterised in that in first preset time, detection in real time is described to work as Whether preceding running frequency is more than or equal to before the predeterminated frequency, and methods described includes：Detect the first environment temperature of initial time Degree, wherein, after it is determined that the convertible frequency air-conditioner is in ability output state, methods described also includes：Detect the second environment temperature at current time；Judge the first environment temperature with the temperature difference of the second environment temperature whether in preset temperature range；When the temperature difference of the first environment temperature and the second environment temperature is in the preset temperature range, really The fixed convertible frequency air-conditioner is in load abnormality；When the temperature difference of the first environment temperature and the second environment temperature is not in the preset temperature range, The step of returning to the current operation frequency of convertible frequency air-conditioner described in perform detection.
- 4. according to the method for claim 1, it is characterised in thatMeet to be more than or equal to institute when the current operation frequency of the convertible frequency air-conditioner is not lasting in first preset time In the case of stating predeterminated frequency, described in return perform detection the step of the current operation frequency of convertible frequency air-conditioner；OrWhen the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature does not meet first preparatory condition, The step of returning to the current operation frequency of convertible frequency air-conditioner described in perform detection；OrWhen the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature does not meet second preparatory condition, The step of returning to the current operation frequency of convertible frequency air-conditioner described in perform detection.
- 5. according to the method for claim 3, it is characterised in thatIn the case of it is determined that the convertible frequency air-conditioner is in the abnormal operating condition, the convertible frequency air-conditioner misoperation report is sent Alert signal；OrIn the case of it is determined that the convertible frequency air-conditioner is in the load abnormality, sends the convertible frequency air-conditioner load and report extremely Alert signal.
- A kind of 6. device for detecting convertible frequency air-conditioner running status, it is characterised in that including：First detection unit, for detecting the current operation frequency of convertible frequency air-conditioner；Second detection unit, in the first preset time, detecting whether the current operation frequency is more than or equal in advance in real time If frequency；Computing unit, for persistently meeting more than or equal to described pre- in first preset time in the current operation frequency If in the case of frequency, calculate the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature；First determining unit, for meeting the when the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature During one preparatory condition, determine that the convertible frequency air-conditioner is in abnormal operating condition；Second determining unit, for meeting the when the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature During two preparatory conditions, determine that the convertible frequency air-conditioner is in ability output state；Wherein, first preparatory condition is less than for the temperature difference of the air-conditioning heat exchanger temperature and current environmental temperature and set in advance The first fixed temperature threshold, second preparatory condition are more than pre- for the temperature difference of air-conditioning heat exchanger temperature and current environmental temperature The second temperature threshold value first set.
- 7. device according to claim 6, it is characterised in that the predeterminated frequency is the upper limit frequency of the convertible frequency air-conditioner Rate, or the predeterminated frequency are the high frequency values when convertible frequency air-conditioner is run.
- 8. device according to claim 6, it is characterised in that described device also includes：3rd detection unit, for detecting the first environment temperature of initial time；4th detection unit, for detecting the second environment temperature at current time；Judging unit, for judging the first environment temperature with the temperature difference of the second environment temperature whether in preset temperature In the range of；3rd determining unit, for when the temperature difference of the first environment temperature and the second environment temperature is described pre- If when in temperature range, determine that the convertible frequency air-conditioner is in load abnormality；First returning unit, for when the temperature difference of the first environment temperature and the second environment temperature is not described When in preset temperature range, the function of performing first detection unit is returned.
- 9. device according to claim 6, it is characterised in that described device also includes：Second returning unit, for not held in first preset time when the current operation frequency of the convertible frequency air-conditioner It is continuous to meet in the case of being more than or equal to the predeterminated frequency, return to the function of performing first detection unit；3rd returning unit, for not meeting when the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature During first preparatory condition, the function of performing first detection unit is returned；4th returning unit, for not meeting when the temperature difference of the air-conditioning heat exchanger temperature and the current environmental temperature During second preparatory condition, the function of performing first detection unit is returned.
- 10. device according to claim 8, it is characterised in that described device also includes：First alarm unit, it is described in the case of it is determined that the convertible frequency air-conditioner is in the abnormal operating condition, sending Convertible frequency air-conditioner misoperation alarm signal；Second alarm unit, it is described in the case of it is determined that the convertible frequency air-conditioner is in the load abnormality, sending Convertible frequency air-conditioner load abnormal alarm signal.
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| CN106871378B (en) * | 2017-03-29 | 2019-12-20 | 广东美的暖通设备有限公司 | Method and device for judging poor heat exchange of air conditioner |
| CN107606693A (en) * | 2017-07-26 | 2018-01-19 | 珠海格力电器股份有限公司 | A kind of air-conditioning and its control method and device |
| CN109539456A (en) * | 2017-09-21 | 2019-03-29 | 奥克斯空调股份有限公司 | A kind of guard method of air conditioner room unit and device |
| CN108592239B (en) * | 2018-05-16 | 2020-06-16 | 珠海格力电器股份有限公司 | Method and device for adjusting running frequency of air-conditioning compressor |
| CN108954670B (en) * | 2018-09-10 | 2020-06-02 | 奥克斯空调股份有限公司 | Fault pre-judging method and control system of air conditioner and air conditioner |
| CN110608520B (en) | 2019-09-26 | 2021-07-16 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and readable storage medium |
| CN114251810B (en) * | 2021-12-13 | 2023-04-25 | 广东美的制冷设备有限公司 | Control method and storage medium of air conditioner, control device and air conditioner |
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