CN104764151B - A kind of air conditioning control method - Google Patents
A kind of air conditioning control method Download PDFInfo
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- CN104764151B CN104764151B CN201510138575.4A CN201510138575A CN104764151B CN 104764151 B CN104764151 B CN 104764151B CN 201510138575 A CN201510138575 A CN 201510138575A CN 104764151 B CN104764151 B CN 104764151B
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
-
- 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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioning control method, including：Air-conditioning enters refrigeration mode, detects indoor temperature, is made comparisons with the comfort temperature of setting；If indoor temperature is not less than comfort temperature, the indoor temperature difference is calculated, carrying out room temperature PID computing according to the indoor temperature difference obtains first object frequency, according to first object FREQUENCY CONTROL compressor；If indoor temperature is less than comfort temperature, the coil temperature of A/C evaporator is detected, the temperature difference between coil temperature and the coil pipe target temperature of setting is calculated, the coil pipe temperature difference is obtained, disk temperature PID arithmetic is carried out according to the coil pipe temperature difference, the second target frequency is obtained；Smaller value in first object frequency and the second target frequency controls the compressor；In process of refrigerastion, human body temperature is detected, indoor target temperature is raised when human body temperature is abnormal.Using the present invention, existing convertible frequency air-conditioner blowing cold air can be solved and cause uncomfortable problem of freezing, and can be flexibly controlled according to human body temperature.
Description
Technical field
It is to be related to a kind of air conditioning control method specifically the invention belongs to air-conditioning technique field.
Background technology
Hot summer, many people be unable to do without air-conditioning the whole day and night.But the long-term harm for blowing air-conditioning to human body is a lot, holds
Be easy to get air conditioner disease.
Although existing convertible frequency air-conditioner can control compressor operating frequency, it is controlled according to only indoor temperature and setting
Indoor target temperature, air conditioning exhausting temperature will not be changed.And be to reach fast-refrigerating, existing air-conditioned leaving air temp is remote low
In design temperature, air conditioning exhausting temperature is low, and the wind of blowout is cold wind.Cold wind is blown on human body, feels extremely uncomfortable, and is held
Easy flu of catching a cold.Many families are all afraid of that blow cold air has blown flu of catching a cold more, take air-ventilating garments daytime and blow air-conditioning, when sleep at night
While open air-conditioning, while being covered with thick cotton-wadded quilt, think that this prevents air conditioner disease.But cold air can enter people from respiratory tract
Body, blows time length and still has the cold symptoms such as mouth and nose are dry, have sore throat, it is impossible to fundamentally solve uncomfortable ask of freezing
Topic.
In addition, if it happens being had a fever during nighttime sleep or pedaling quilt phenomenon, user can not have found in time, in cold
Under wind environment, it is easier to which be cooled flu, such case is particularly acute for children.
The content of the invention
It is an object of the invention to provide a kind of air conditioning control method, refrigeration is caused to solve existing air-conditioning blowing cold air not
Comfortable the problem of, and can be flexibly controlled according to human body temperature.
For achieving the above object, air conditioning control method of the invention is achieved using following technical proposals：
A kind of air conditioning control method, methods described includes：
Air-conditioning enters refrigeration mode, detects indoor temperature, and make comparisons with the comfort temperature of setting；
If the indoor temperature is not less than the comfort temperature, following conventional refrigerants are performed：Calculate the Indoor Temperature
The temperature difference between degree and the indoor target temperature of setting, obtains the indoor temperature difference, and room temperature PID fortune is carried out according to the indoor temperature difference
Calculate, first object frequency is obtained, according to the compressor of the first object FREQUENCY CONTROL air-conditioning；
If the indoor temperature is less than the comfort temperature, following comfortable coolings are performed：Detect A/C evaporator
Coil temperature, calculates the temperature difference between the coil temperature and the coil pipe target temperature of setting, the coil pipe temperature difference is obtained, according to described
The coil pipe temperature difference carries out disk temperature PID arithmetic, obtains the second target frequency；According to the first object frequency and second target frequency
Smaller value in rate controls the compressor.
During the conventional refrigerant or the comfortable cooling, human body temperature is detected, when the human body temperature is abnormal,
Raise the indoor target temperature.
Compared with prior art, advantages and positive effects of the present invention are：
The present invention is by setting comfort temperature, and according to indoor temperature and the size of comfort temperature, selection uses room temperature PID control
System uses the disk temperature PID control based on evaporator coil temperature, room can be dropped in time, quickly when room temperature is high
Temperature, reaches refrigeration purpose, again can be stable in coil pipe target temperature by coil temperature so that air conditioning exhausting temperature pleasant, reaches
Go out cool without cold comfortable cooling effect；Moreover, during refrigeration control, detecting human body temperature, being according to human body temperature
It is no exception occur to decide whether to raise indoor target temperature, so that the control of air-conditioning more flexible, hommization, further
Improve refrigeration comfortableness.
After the embodiment that the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Brief description of the drawings
Fig. 1 is the flow chart of air conditioning control method one embodiment of the present invention.
Embodiment
Technical scheme is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is referred to, the figure show the flow chart of air conditioning control method one embodiment of the present invention, specifically becomes
The flow chart of frequency air conditioner refrigerating control method.
As shown in figure 1, the detailed process of the embodiment air conditioning control method is as follows：
Step 1：Air-conditioning enters refrigeration mode, and refrigerating operaton detects indoor temperature, and make to compare with the comfort temperature of setting
Compared with.
Specifically, when air-conditioning is started shooting and runs refrigeration mode, the indoor temperature in room residing for detection air-conditioning.The interior
The detection of temperature is realized using prior art.For example, by being arranged on air-conditioning air inlet or close to air-conditioning air inlet
Temperature sensor detects EAT, is used as indoor temperature.
Detect after indoor temperature, indoor temperature is made comparisons with the comfort temperature set.Wherein, comfort temperature can be with
It is a default setting temperature of air-conditioning when dispatching from the factory or the design temperature voluntarily selected by user and set.Such as
Fruit is that, by user's sets itself, air-conditioning can provide reference temperature value, for reference.Also, it is preferred that being given for different groups
Go out different reference temperature values.For example：For children, it is proposed that the comfort temperature is set as into 26 DEG C；For old man, it is proposed that will relax
Thermophilic degree is set as 28 DEG C, etc..
Step 2：Judge whether indoor temperature is less than comfort temperature.If so, performing step 4；Otherwise, step 3 is performed.
Step 3：If indoor temperature is not less than comfort temperature, shows that now indoor temperature is higher, conventional refrigerant will be performed.
Then, step 5 is performed.
Specifically, the temperature difference between calculation procedure 1 is detected first indoor temperature and the indoor target temperature of setting, will
The temperature difference is used as the indoor temperature difference.Wherein, indoor target temperature refers to user's setting, the indoor target temperature reached of hope.
Then, room temperature PID computing is carried out according to the indoor temperature difference, obtains the target frequency being controlled to compressor, and by the target frequently
Rate is defined as first object frequency.Wherein, room temperature PID computing carried out according to the indoor temperature difference, obtain what compressor was controlled
The specific method of target frequency can be realized using prior art, be not elaborated and limited herein.So as to so that it is indoor
Temperature can drop quickly to indoor target temperature.
If indoor temperature is less than comfort temperature, the comfortable cooling of step 4 and step 5 will be performed.
If step 2 judges that indoor temperature is less than comfort temperature, to avoid the too fast decline of temperature from causing body-sensing uncomfortable, hold
The comfortable cooling process of the dual PID control of row, to adjust compressor operating frequency in time so that evaporator coil temperature can
Coil pipe target temperature is stabilized to, to adjust air conditioning exhausting temperature, is reached cool without cold comfortable air-out effect.Comfortable cooling is controlled
Process referring to below step 4 and step 5 description.
Step 4：The coil temperature of evaporator is detected, disk temperature PID arithmetic is carried out according to the coil pipe temperature difference, the second target frequency is obtained
Rate.
The detection of the coil temperature of evaporator can be by setting temperature sensor to be detected on evaporator coil.Detection
Go out after coil temperature, calculate the temperature difference between coil temperature and the coil pipe target temperature of setting, regard the temperature difference as coil pipe temperature
Difference.Wherein, coil pipe target temperature can be a default setting temperature of convertible frequency air-conditioner when dispatching from the factory, naturally it is also possible to be by user
The design temperature voluntarily selected and set.If by user's sets itself, due to concept of the user for coil temperature
It is for reference selected and its performance indications represented are not very clearly, preferably to provide a reference temperature value by air-conditioning.Example
Such as, it is proposed that the coil pipe target temperature is set as 14 DEG C.Then, disk temperature PID arithmetic is carried out according to the coil pipe temperature difference, obtained to compression
The target frequency that machine is controlled, and the target frequency is defined as the second target frequency.Disk temperature PID arithmetic is obtained to compressor
The method for the target frequency being controlled may be referred to room temperature PID computing of the prior art and obtain compressor target frequency
Method.Wherein, the original frequency of disk temperature PID arithmetic can be an original frequency set.It is preferred that, disk temperature PID arithmetic
Original frequency is the current operation frequency that step 2 judges compressor when indoor temperature is less than comfort temperature, performs comfortable cooling control
Rate.Moreover, the current operation frequency is at least in compressor operating for a period of time（Such as 3min）A running frequency afterwards.
Step 5：Smaller value in the second target frequency that the first object frequency calculated according to step 3 is calculated with step 4
Control compressor.
When temperature is less than comfort temperature indoors, disk temperature PID is performed according to coil temperature and the coil pipe target temperature of setting
Computing, and according to room temperature PID computing export first object frequency and disk temperature PID arithmetic output the second target frequency in compared with
Small value control compressor operating, adjusts coil temperature so that coil temperature can be to coil pipe target temperature while refrigeration cool-down
Degree is approached.
Step 6：During above-mentioned conventional refrigerant or comfortable cooling, human body temperature is detected, and judge that human body temperature is
No exception.If abnormal, step 8 is performed, indoor target temperature is raised, and refrigeration is performed according to the indoor target temperature after rise
Control；Otherwise, step 7 is performed, keeps indoor target temperature constant, continues executing with refrigeration control.
If moreover, detecting human body temperature exception, air-conditioning alert and/or alarm signal can also be controlled.
For example, control air-conditioning sends warning message by built-in communication unit to user mobile phone, and mobile phone is received to be passed through after warning message
The method of light, vibration or sound sends alarm signal.Or, the warning device that control air-conditioning is set by itself sends sound
The alarm signals such as sound, light.
In air conditioner refrigerating running, easily generating the problem that causes flu of catching a cold because of supercooling.If user is certainly
Whether I perceives consciousness and air conditioner operation level normally and in waking state, can in time perceive and be subcooled and control air-conditioning
Running status, to improve indoor environment temperature.But, if user self perceives consciousness and air conditioner operation horizontal abnormality, such as
Adult under baby or sleep state, it is impossible to perceive supercooling, under cold wind environment, then can be easier flu of suffering from cold.For
The problem is solved, the embodiment detects human body temperature in real time when air conditioner refrigerating is run, and it is different to judge whether human body temperature occurs
Often.If there is exception, indoor target temperature will be raised automatically so that room temperature maintains higher state.
Specifically, the human body temperature temperature value including the predetermined patterns of human body first extremely is more than the first set temperature value.
For example, the first predetermined patterns are heads, head temperature value can reflect whether human body has a fever.Human body predetermined patterns and predetermined patterns
The detection of temperature, it is possible to use infrared detection means of the prior art are realized.For example, generated by infrared thermal imaging device
Thermal-induced imagery analyzed, human head location is determined, so that it is determined that going out head temperature.Then, judge that head temperature is
It is no to be more than the first set temperature value.First set temperature value is also a numerical value set in advance, and whether reflection human body has a fever, example
Such as it is 37 DEG C.If head temperature is more than first set temperature value, shows that human body occurs in that the exception of fever, will raise automatically
Indoor target temperature so that room maintains higher temperature.
Or, it is contemplated that individual body temperature difference and detection means precision problem, human body temperature can also include human body extremely
The temperature value of first predetermined patterns is more than the second set temperature value and in rising trend.For example, the first predetermined patterns are still head
Whether portion, after determining that head temperature and head temperature value are more than the second set temperature value, then judge head temperature in rising
Trend.If head temperature is in rising trend, show that human body occurs in that the exception of fever.
In addition, the temperature value that human body temperature can also include the predetermined patterns of human body second extremely is less than the 3rd design temperature
Value.For example, the second predetermined patterns are trunks, reflect whether human body pedals quilt in a sleep state by trunk temperature value.Equally
, the temperature at the second predetermined patterns and the position is realized using infrared detection means of the prior art.3rd design temperature
Value can be set in advance, characterize the exposed actual temperature in the environment of the second predetermined patterns.When the temperature of the second predetermined patterns
Angle value be less than three set temperature values when, show that the human body position is not covered, but it is exposed in the environment, so as to judge human body
Such as quilt of overcover herein is raised.Now, it is also automatic to raise indoor target temperature so that room temperature is maintained at higher
State.
In view of individual body temperature difference, there is some difference for the normal body temperature of such as adult and infant, the 3rd setting
Temperature value includes multiple values corresponding with different user, for example, including the value corresponding to adult and the value corresponding to infant.
When judging the temperature value of the second predetermined patterns, first determine that human body is adult or infant according to infrared detections, for
Different human body is made comparisons from the set temperature value of different numerical value.
In addition, the temperature value that human body temperature can also include the predetermined patterns of human body second extremely is less than the 4th design temperature
Value and reach the first difference with the difference of the 4th set temperature value.The 4th set temperature value herein is the default portion of mark second
Temperature value under the covered state in position, it is possible to use the self study in the state of human body is covered of the self-learning function of air-conditioning is obtained
Arrive.After the 4th set temperature value is obtained by self study, the temperature of the predetermined patterns of human body second is detected, by the temperature value and the
Four set temperature values are compared.If the temperature value of the second predetermined patterns is less than the 4th set temperature value, and have decreased to one
Tentering degree, the first difference of setting has been reached with the difference of the 4th set temperature value, then has shown that the second predetermined patterns are not covered.
Now, it is also automatic to raise indoor target temperature.
Refrigeration control is carried out to air-conditioning using said process, when temperature is higher indoors, compressor is controlled using room temperature PID
Operation so that indoor temperature fast cooling simultaneously approaches indoor target temperature.When temperature is less than comfort temperature indoors, using room temperature
The dual PID control of PID control and disk temperature PID control：When having just enter into disk temperature PID control, disk temperature PID control plays main make
With preferential while cooling to rise to coil temperature to approach coil pipe target temperature；And in coil temperature close to coil pipe target
During temperature, room temperature PID plays a major role so that the stable target temperature indoors of indoor temperature, it is to avoid cause because of room temperature overshoot
Air-conditioning shuts down the generation of phenomenon.So as to which during whole refrigeration control, indoor target temperature is approached causing indoor temperature
On the basis of cause coil temperature approach coil pipe design temperature, both met room temperature regulation, the comfortableness of air conditioning exhausting is realized again, is reached
Go out cool without cold refrigeration.Moreover, during refrigeration control, detecting human body temperature, whether being gone out according to human body temperature
It is now abnormal to decide whether to raise indoor target temperature so that the control of air-conditioning more flexibly, hommization, further improve
Refrigeration comfortableness.
Moreover, during dual PID control is performed, indoor temperature is still constantly detected in real time, and it is relatively more indoor
The size of temperature and comfort temperature.Once indoor temperature is not less than comfort temperature, then the comfortable cooling for exiting dual PID was controlled
Journey, is transferred to the conventional refrigerant control process of room temperature PID, to cause the stable indoor target temperature in setting of indoor temperature.
As preferred embodiment, temperature is not less than comfort temperature and the difference of indoor temperature and comfort temperature indoors
More than setting difference when, then exit dual PID comfortable coolings control process, the conventional refrigerant for being transferred to room temperature PID was controlled
Journey.The difference set by reasonable selection, for example, being set as 1 DEG C, it can be ensured that coil temperature is not less than coil pipe target temperature,
Ensure cool without cold comfortableness.
Moreover, in the air conditioner refrigerating operation control process of the embodiment, if the non-wind speed setting of user, controls air-conditioning
Blower fan is run according to highest wind velocity, because under same refrigerating capacity, the leaving air temp of high wind speed is higher than the air-out of low wind speed
Temperature, further ensures that leaving air temp will not be too low.And if detect user setting wind speed, control blower fan according to setting
Wind speed is run.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although with reference to foregoing reality
Apply example the present invention is described in detail, for the person of ordinary skill of the art, can still implement to foregoing
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.
Claims (9)
1. a kind of air conditioning control method, it is characterised in that methods described includes：
Air-conditioning enters refrigeration mode, detects indoor temperature, and make comparisons with the comfort temperature of setting；
If the indoor temperature is not less than the comfort temperature, following conventional refrigerants are performed：Calculate the indoor temperature with
The temperature difference between the indoor target temperature of setting, obtains the indoor temperature difference, carries out room temperature PID computing according to the indoor temperature difference, obtains
First object frequency is obtained, according to the compressor of the first object FREQUENCY CONTROL air-conditioning；
If the indoor temperature is less than the comfort temperature, following comfortable coolings are performed：Detect the coil pipe of A/C evaporator
Temperature, calculates the temperature difference between the coil temperature and the coil pipe target temperature of setting, the coil pipe temperature difference is obtained, according to the coil pipe
The temperature difference carries out disk temperature PID arithmetic, obtains the second target frequency；According in the first object frequency and second target frequency
Smaller value control the compressor；
During the conventional refrigerant or the comfortable cooling, human body temperature is detected, when the human body temperature is abnormal, rise
The indoor target temperature.
2. air conditioning control method according to claim 1, it is characterised in that the human body temperature includes human body first extremely
The temperature value of predetermined patterns is more than the first set temperature value.
3. air conditioning control method according to claim 1, it is characterised in that the human body temperature includes human body first extremely
The temperature value of predetermined patterns is more than the second set temperature value and in rising trend.
4. air conditioning control method according to claim 1, it is characterised in that the human body temperature includes human body second extremely
The temperature value of predetermined patterns is less than the 3rd set temperature value.
5. air conditioning control method according to claim 1, it is characterised in that the human body temperature includes human body second extremely
The temperature value of predetermined patterns is less than the 4th set temperature value and reaches the first difference with the difference of the 4th set temperature value.
6. air conditioning control method according to claim 1, it is characterised in that when the human body temperature is abnormal, control is empty
Adjust alert and/or alarm signal.
7. air conditioning control method according to any one of claim 1 to 6, it is characterised in that performing the comfortable system
During cold control, the indoor temperature is detected in real time, and the indoor temperature is made comparisons with the comfort temperature, in the interior
When temperature is not less than the comfort temperature, the comfortable cooling control is exited, the conventional refrigerant control is performed.
8. air conditioning control method according to any one of claim 1 to 6, it is characterised in that performing the comfortable system
During cold control, the indoor temperature is detected in real time, and the indoor temperature is made comparisons with the comfort temperature, in the interior
When temperature is more than the difference of setting not less than the difference of the comfort temperature and the indoor temperature and the comfort temperature, exit
The comfortable cooling control, performs the conventional refrigerant control.
9. air conditioning control method according to any one of claim 1 to 6, it is characterised in that performing the comfortable system
During cold control, the current operation frequency of the compressor is obtained, the current operation frequency is regard as the disk temperature PID arithmetic
Original frequency, and the disk temperature PID arithmetic is carried out according to the coil pipe temperature difference.
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| CN201510138575.4A CN104764151B (en) | 2015-03-27 | 2015-03-27 | A kind of air conditioning control method |
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