CN106871350A - Prevent condensation from blowing method, device and the air-conditioner of water - Google Patents
Prevent condensation from blowing method, device and the air-conditioner of water Download PDFInfo
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- CN106871350A CN106871350A CN201710085760.0A CN201710085760A CN106871350A CN 106871350 A CN106871350 A CN 106871350A CN 201710085760 A CN201710085760 A CN 201710085760A CN 106871350 A CN106871350 A CN 106871350A
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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
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Atmospheric Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses the method, device and the air-conditioner that prevent condensation from blowing water, it is related to air-conditioner technical field, wherein, the method for preventing condensation from blowing water includes：Air-conditioner brings into operation, and records operation duration；At least one predetermined time is set, when operationally length reaches predetermined time, the temperature of the first position of evaporator pipeline is detected, fiducial temperature is obtained, while detecting the temperature of the second place of evaporator pipeline, sample temperature is obtained；According to the temperature difference between predetermined time and the corresponding fiducial temperature of predetermined time and sample temperature, the running frequency of compressor and the wind speed of indoor fan are controlled.By technical scheme, direct detection stream while adjust the working condition of compressor and blower fan, can not enough occur judging caused condensation by accident and blow water problems in the temperature rise Trend judgement condensation state of different time sections efficiently against humidity sensor precision.
Description
Technical field
The present invention relates to air-conditioner technical field, prevent from condensation from blowing the method for water, one kind preventing in particular to a kind of
Condensation blows the device and a kind of air-conditioner of water.
Background technology
Air-conditioner long-play under (dehumidifying) pattern of freezing, while when relative humidity is very big in air, indoor heat exchange
Device temperature well below air dew-point temperature, now air-conditioning when using, easily produce condensation problem (in air conditioner structure part
Sweating water and drip), or have in the process of running the globule with circulated air blow out, influence user use feeling.Currently
Universal solution is to increase humidity sensor detection air humidity scope and being controlled, but humidity sensor precision at present
It is not very high easily misjudgment phenomenon occur, it is impossible to overcome the condensation occurred in air conditioner room unit running to blow water well and ask
Topic.
The content of the invention
It is contemplated that at least solving one of technical problem present in above-mentioned prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of method for preventing condensation from blowing water.
A kind of device for preventing condensation from blowing water is provided it is another object of the present invention to correspondence.
It is yet a further object of the present invention to provide a kind of air-conditioner.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of to prevent condensation from blowing water
Method, for air-conditioner, including：Air-conditioner brings into operation, and records operation duration；At least one predetermined time is set, in operation
When duration reaches predetermined time, the temperature of the first position of evaporator pipeline is detected, obtain fiducial temperature, while detecting evaporator
The temperature of the second place of pipeline, obtains sample temperature；According to predetermined time and the corresponding fiducial temperature of predetermined time and take out
The temperature difference between sample temperature, controls the running frequency of compressor and the wind speed of indoor fan.
Embodiment according to a first aspect of the present invention prevents the method that condensation blows water, records in air-conditioner running
Run time, resets multiple predetermined times, and the pipe temperature temperature difference is sampled in multiple predetermined instants, has been run with reference to air-conditioner
Duration judges the condensation situation of indoor set, and anti-condensation adjustment, the anti-condensation control measures of air-conditioner are done to compressor and blower fan
Humidity sensor is no longer dependent on, but by detecting the condensation state of stream temperature rise Trend judgement indoor set in different time sections
And compressor frequency and indoor fan wind speed are controlled, prevent condensation from blowing water phenomenon, wherein, prover pipe pipe temperature of gently sampling is corresponding
Test position (first position, the second place) sets according to the concrete structure of indoor machine evaporation, of course it is also possible to set many
Individual sample position is increasing accuracy and the flexibility of system.On the whole, humidity is avoided to pass using the high sensitivity of temperature detection
The misjudgment phenomenon that sensor brings, improves the usage comfort of user.
In the above-mentioned technical solutions, it is preferable that the process of the wind speed of the running frequency and blower fan of control compressor, specifically
Including：If first temperature difference detected under the first predetermined time is more than the first temperature difference threshold, the frequency of compressor is down to frequency
Rate threshold value；If first temperature difference detected under the first predetermined time be less than or equal to the first temperature difference threshold, treat air-conditioner run to
Second predetermined time, detects the first position of evaporator and the Guan Wen of the second place again, second temperature difference is obtained, if second temperature difference
Less than or equal to the second temperature difference threshold, then control blower fan to be worked with highest wind velocity, at the same present operating frequency according to compressor with
The comparative result of frequency threshold, adjusts the frequency of compressor, wherein, first temperature difference threshold is less than second temperature difference threshold
Value.
In the technical scheme, the corresponding temperature difference threshold of setting different time sections, within the time period, according to temperature difference threshold
With the comparing result of the pipe temperature temperature difference judge evaporator whether condensation, concurrently set the frequency threshold of compressor, air-conditioner fortune
Row to the first predetermined time, and detect the pipeline temperature difference more than the first temperature difference threshold when (be judged as the bias current of evaporator stream or
Solder joint is blocked), compressor frequency is now reduced to default frequency threshold, the possibility that condensation occurs is reduced to the full extent
Property.If when the pipeline temperature difference that the first predetermined time is detected is less than or equal to the first temperature difference threshold, illustrating that air-conditioner wouldn't be produced
Raw condensation, when it proceeds to next predetermined time, the signal piping temperature difference again, if now the temperature difference is less than the second temperature difference threshold
Value, then illustrate that humidity is excessive, now improves blower fan wind speed and accelerates moisture evaporation, and reduces compressor operating frequency to reduce refrigeration
Amount, also reduces air-conditioner energy consumption while preventing condensation from generating.
In the above-mentioned technical solutions, it is preferable that while the comparing of the present operating frequency and frequency threshold according to compressor
As a result, the frequency of compressor is adjusted, is specifically included：If present operating frequency is more than or equal to frequency threshold, the frequency of compressor drops
To frequency threshold；If present operating frequency is less than frequency threshold, the frequency of compressor minimizes running frequency.
In the technical scheme, the current operating state according to compressor enters line frequency adjustment, realizes preferably regulation and control effect
Really, prevent compressor frequency that the loss and noise problem for bringing is widely varied.
In the above-mentioned technical solutions, it is preferable that also include：When the working frequency of compressor is minimum running frequency, with the
The temperature of the first position of a length of cycle detection evaporator and the second place, obtains the 3rd temperature difference when three；It is more than in the 3rd temperature difference
During three temperature difference thresholds, terminate the control to wind speed and running frequency, wherein, the 3rd temperature difference threshold is more than the second temperature difference threshold
Value.
In the technical scheme, when the stream temperature difference is more than or equal to three temperature difference thresholds, illustrate that humidity is decreased, air-conditioner
It is not easy condensation occur in refrigeration or dehumidification process to blow water, now terminates the control to compressor and blower fan, makes air-conditioner
Free-running operation.
In the above-mentioned technical solutions, it is preferable that air-conditioner bring into operation including：Air-conditioner runs or empty under dehumidification mode
Device is adjusted to run in cooling mode.
A kind of embodiment according to the second aspect of the invention, it is proposed that device for preventing condensation from blowing water, for air-conditioner,
Including：Timing unit, air-conditioner brings into operation, and records operation duration；Temperature difference unit, sets at least one predetermined time, in fortune
When row duration reaches predetermined time, the temperature of the first position of evaporator pipeline is detected, obtain fiducial temperature, while detecting evaporation
The temperature of the second place of device pipeline, obtains sample temperature；Control unit, according to predetermined time and the corresponding base of predetermined time
The temperature difference between quasi- temperature and sample temperature, controls the running frequency of compressor and the wind speed of indoor fan.
The condensation that prevents of embodiment according to a second aspect of the present invention blows the device of water, is recorded in air-conditioner running
Run time, resets multiple predetermined times, and the pipe temperature temperature difference is sampled in multiple predetermined instants, has been run with reference to air-conditioner
Duration judges the condensation situation of indoor set, and anti-condensation adjustment, the anti-condensation control measures of air-conditioner are done to compressor and blower fan
Humidity sensor is no longer dependent on, but by detecting the condensation state of stream temperature rise Trend judgement indoor set in different time sections
And compressor frequency and indoor fan wind speed are controlled, prevent condensation from blowing water phenomenon, wherein, prover pipe pipe temperature of gently sampling is corresponding
Test position (first position, the second place) sets according to the concrete structure of indoor machine evaporation, of course it is also possible to set many
Individual sample position is increasing accuracy and the flexibility of system.On the whole, humidity is avoided to pass using the high sensitivity of temperature detection
The misjudgment phenomenon that sensor brings, improves the usage comfort of user.
In the above-mentioned technical solutions, it is preferable that control unit, specifically include：First control unit, if the first predetermined time
Under first temperature difference that detects more than the first temperature difference threshold, then the frequency of compressor is down to frequency threshold；Second control unit,
If first temperature difference detected under the first predetermined time is less than or equal to the first temperature difference threshold, treats that air-conditioner is run to second and preset
At the moment, the first position of evaporator and the Guan Wen of the second place are detected again, second temperature difference is obtained, if second temperature difference is less than or equal to
Second temperature difference threshold, then control blower fan to be worked with highest wind velocity, while according to the present operating frequency and frequency threshold of compressor
Comparative result, adjust compressor frequency, wherein, first temperature difference threshold be less than second temperature difference threshold.
In the technical scheme, the corresponding temperature difference threshold of setting different time sections, within the time period, according to temperature difference threshold
With the comparing result of the pipe temperature temperature difference judge evaporator whether condensation, concurrently set the frequency threshold of compressor, air-conditioner fortune
Row to the first predetermined time, and detect the pipeline temperature difference more than the first temperature difference threshold when (be judged as the bias current of evaporator stream or
Solder joint is blocked), compressor frequency is now reduced to default frequency threshold, the possibility that condensation occurs is reduced to the full extent
Property.If when the pipeline temperature difference that the first predetermined time is detected is less than or equal to the first temperature difference threshold, illustrating that air-conditioner wouldn't be produced
Raw condensation, when it proceeds to next predetermined time, the signal piping temperature difference again, if now the temperature difference is less than the second temperature difference threshold
Value, then illustrate that humidity is excessive, now improves blower fan wind speed and accelerates moisture evaporation, and reduces compressor operating frequency to reduce refrigeration
Amount, also reduces air-conditioner energy consumption while preventing condensation from generating.
In the above-mentioned technical solutions, it is preferable that the second control unit, specifically include：Frequency adjustment unit, if work at present
Frequency is more than or equal to frequency threshold, and the frequency of compressor is down to frequency threshold, if present operating frequency is less than frequency threshold, compression
The frequency of machine minimizes running frequency.
In the technical scheme, the current operating state according to compressor enters line frequency adjustment, realizes preferably regulation and control effect
Really, prevent compressor frequency that the loss and noise problem for bringing is widely varied.
In the above-mentioned technical solutions, it is preferable that also include：Free-running operation unit, the working frequency of compressor is transported for minimum
During line frequency, the temperature of the first position of a length of cycle detection evaporator and second place during with the 3rd obtains the 3rd temperature difference；
When 3rd temperature difference is more than three temperature difference thresholds, terminate the control to wind speed and running frequency, wherein, the 3rd temperature difference threshold is more than
Second temperature difference threshold.
In the technical scheme, when the stream temperature difference is more than or equal to three temperature difference thresholds, illustrate that humidity is decreased, air-conditioner
It is not easy condensation occur in refrigeration or dehumidification process to blow water, now terminates the control to compressor and blower fan, makes air-conditioner
Free-running operation.
In the above-mentioned technical solutions, it is preferable that air-conditioner bring into operation including：Air-conditioner runs or empty under dehumidification mode
Device is adjusted to run in cooling mode.
A kind of embodiment according to the third aspect of the invention we, it is also proposed that air-conditioner, including：Such as institute in above-mentioned embodiment
The device for preventing condensation from blowing water stated, wherein, the device for preventing condensation from blowing water includes：Timing unit, air-conditioner brings into operation, note
Record operation duration；Temperature difference unit, sets at least one predetermined time, when operationally length reaches predetermined time, detects evaporator
The temperature of the first position of pipeline, obtains fiducial temperature, while detecting the temperature of the second place of evaporator pipeline, is sampled
Temperature；Control unit, according to the temperature difference between predetermined time and the corresponding fiducial temperature of predetermined time and sample temperature, control
The running frequency of compressor and the wind speed of indoor fan.
The air-conditioner of embodiment according to a third aspect of the present invention, records run time in air-conditioner running, then
The multiple predetermined times of setting, sample in multiple predetermined instants to the pipe temperature temperature difference, and with reference to air-conditioner, operation duration judges room
The condensation situation of interior machine, and anti-condensation adjustment is done to compressor and blower fan, the anti-condensation control measures of air-conditioner are no longer dependent on
Humidity sensor, but by detecting the condensation state of stream temperature rise Trend judgement indoor set in different time sections and controlling compression
Unit frequency and indoor fan wind speed, prevent condensation from blowing water phenomenon, wherein, prover pipe is gently sampled the corresponding test position of pipe temperature
(first position, the second place) sets according to the concrete structure of indoor machine evaporation, of course it is also possible to set multiple sampling positions
Put the accuracy to increase system and flexibility.On the whole, humidity sensor is avoided to bring using the high sensitivity of temperature detection
Misjudgment phenomenon, improve the usage comfort of user.
In the above-mentioned technical solutions, it is preferable that control unit, specifically include：First control unit, if the first predetermined time
Under first temperature difference that detects more than the first temperature difference threshold, then the frequency of compressor is down to frequency threshold；Second control unit,
If first temperature difference detected under the first predetermined time is less than or equal to the first temperature difference threshold, treats that air-conditioner is run to second and preset
At the moment, the first position of evaporator and the Guan Wen of the second place are detected again, second temperature difference is obtained, if second temperature difference is less than or equal to
Second temperature difference threshold, then control blower fan to be worked with highest wind velocity, while according to the present operating frequency and frequency threshold of compressor
Comparative result, adjust compressor frequency, wherein, first temperature difference threshold be less than second temperature difference threshold.
In the technical scheme, the corresponding temperature difference threshold of setting different time sections, within the time period, according to temperature difference threshold
With the comparing result of the pipe temperature temperature difference judge evaporator whether condensation, concurrently set the frequency threshold of compressor, air-conditioner fortune
Row to the first predetermined time, and detect the pipeline temperature difference more than the first temperature difference threshold when (be judged as the bias current of evaporator stream or
Solder joint is blocked), compressor frequency is now reduced to default frequency threshold, the possibility that condensation occurs is reduced to the full extent
Property.If when the pipeline temperature difference that the first predetermined time is detected is less than or equal to the first temperature difference threshold, illustrating that air-conditioner wouldn't be produced
Raw condensation, when it proceeds to next predetermined time, the signal piping temperature difference again, if now the temperature difference is less than the second temperature difference threshold
Value, then illustrate that humidity is excessive, now improves blower fan wind speed and accelerates moisture evaporation, and reduces compressor operating frequency to reduce refrigeration
Amount, also reduces air-conditioner energy consumption while preventing condensation from generating.
In the above-mentioned technical solutions, it is preferable that the second control unit, specifically include：Frequency adjustment unit, if work at present
Frequency is more than or equal to frequency threshold, and the frequency of compressor is down to frequency threshold, if present operating frequency is less than frequency threshold, compression
The frequency of machine minimizes running frequency.
In the technical scheme, the current operating state according to compressor enters line frequency adjustment, realizes preferably regulation and control effect
Really, prevent compressor frequency that the loss and noise problem for bringing is widely varied.
In the above-mentioned technical solutions, it is preferable that also include：Free-running operation unit, the working frequency of compressor is transported for minimum
During line frequency, the temperature of the first position of a length of cycle detection evaporator and second place during with the 3rd obtains the 3rd temperature difference；
When 3rd temperature difference is more than three temperature difference thresholds, terminate the control to wind speed and running frequency, wherein, the 3rd temperature difference threshold is more than
Second temperature difference threshold.
In the technical scheme, when the stream temperature difference is more than or equal to three temperature difference thresholds, illustrate that humidity is decreased, air-conditioner
It is not easy condensation occur in refrigeration or dehumidification process to blow water, now terminates the control to compressor and blower fan, makes air-conditioner
Free-running operation.
In the above-mentioned technical solutions, it is preferable that air-conditioner bring into operation including：Air-conditioner runs or empty under dehumidification mode
Device is adjusted to run in cooling mode.
The present invention utilizes the misjudgment phenomenon that the high sensitivity of temperature detection avoids humidity sensor from bringing, and prevents air conditioner chamber
Interior machine condensation blows water problems, improves the usage comfort of user.Additional aspect of the invention and advantage are by following description
Middle part is given out, partly will become apparent from the description below, or is recognized by practice of the invention.
Brief description of the drawings
Fig. 1 shows the schematic flow diagram of the method for preventing condensation from blowing water according to embodiments of the present invention.
Fig. 2 shows the schematic block diagram of the device for preventing condensation from blowing water according to embodiments of the present invention.
Fig. 3 shows the schematic block diagram of air-conditioner according to embodiments of the present invention.
Fig. 4 shows a kind of exemplary flow of the implementation for preventing condensation from blowing water method according to embodiments of the present invention
Figure.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic flow diagram of the method for preventing condensation from blowing water according to embodiments of the present invention.
As shown in figure 1, the embodiment of first aspect present invention, it is proposed that a kind of method for preventing condensation from blowing water, for sky
Device is adjusted, including：Step 102, air-conditioner brings into operation, and records operation duration；Step 104, sets at least one predetermined time,
When operation duration reaches predetermined time, the temperature of the first position of evaporator pipeline is detected, obtain fiducial temperature, steamed while detecting
The temperature of the second place of device pipeline is sent out, sample temperature is obtained；Step 106, it is corresponding according to predetermined time and predetermined time
The temperature difference between fiducial temperature and sample temperature, controls the running frequency of compressor and the wind speed of indoor fan.
Embodiment prevents the method that condensation blows water according to a first aspect of the present invention, records fortune in air-conditioner running
The row time, multiple predetermined times are reset, the pipe temperature temperature difference is sampled in multiple predetermined instants, when having been run with reference to air-conditioner
Length judges the condensation situation of indoor set, and anti-condensation adjustment is done to compressor and blower fan, and the anti-condensation control measures of air-conditioner are not
Depend on humidity sensor again, but by condensation state that stream temperature rise Trend judgement indoor set is detected in different time sections simultaneously
Control compressor frequency and indoor fan wind speed, prevent condensation from blowing water phenomenon, wherein, prover pipe is gently sampled the corresponding inspection of pipe temperature
Location is put (first position, the second place) and is set according to the concrete structure of indoor machine evaporation, of course it is also possible to set multiple
Sample position is increasing accuracy and the flexibility of system.On the whole, humidity sensor is avoided using the high sensitivity of temperature detection
The misjudgment phenomenon that device brings, improves the usage comfort of user.
Embodiment prevents the method that condensation blows water according to a first aspect of the present invention, it is preferable that the operation of control compressor
The process of the wind speed of frequency and blower fan, specifically includes：If first temperature difference detected under the first predetermined time is more than the first temperature
Difference limen value, then be down to frequency threshold by the frequency of compressor；If first temperature difference detected under the first predetermined time is less than or equal to
First temperature difference threshold, then treat that air-conditioner is run to the second predetermined time, and first position and the second place of evaporator are detected again
Guan Wen, obtain second temperature difference, if second temperature difference be less than or equal to the second temperature difference threshold, control blower fan with highest wind velocity work,
Simultaneously according to the present operating frequency of compressor and the comparative result of frequency threshold, the frequency of compressor is adjusted, wherein, described the
One temperature difference threshold is less than second temperature difference threshold.
In this embodiment, the setting corresponding temperature difference threshold of different time sections, within the time period, according to temperature difference threshold with
The comparing result of the pipe temperature temperature difference judge evaporator whether condensation, concurrently set the frequency threshold of compressor, air-conditioner operation
(it is judged as the bias current of evaporator stream or weldering to the first predetermined time, and when detecting the pipeline temperature difference more than the first temperature difference threshold
Point is blocked), compressor frequency is now reduced to default frequency threshold, the possibility that condensation occurs is reduced to the full extent.
If when the pipeline temperature difference that the first predetermined time is detected is less than or equal to the first temperature difference threshold, illustrating that air-conditioner wouldn't be produced solidifying
Dew, when it proceeds to next predetermined time, the signal piping temperature difference again, if now the temperature difference is less than the second temperature difference threshold,
Then explanation humidity is excessive, now improves blower fan wind speed and accelerates moisture evaporation, and reduces compressor operating frequency to reduce refrigerating capacity,
Air-conditioner energy consumption is also reduced while preventing condensation from generating.
Embodiment prevents the method that condensation blows water according to a first aspect of the present invention, it is preferable that while according to compressor
Present operating frequency and the comparative result of frequency threshold, adjust the frequency of compressor, specifically include：If present operating frequency is more than
Equal to frequency threshold, the frequency of compressor is down to frequency threshold；If present operating frequency is less than frequency threshold, the frequency of compressor
Minimize running frequency.
In this embodiment, the current operating state according to compressor enters line frequency adjustment, realizes more preferable regulating effect,
Prevent compressor frequency that the loss and noise problem for bringing is widely varied.
Embodiment prevents the method that condensation blows water according to a first aspect of the present invention, it is preferable that also include：The work of compressor
When working frequency is minimum running frequency, the temperature of the first position of a length of cycle detection evaporator and second place during with the 3rd,
Obtain the 3rd temperature difference；When the 3rd temperature difference is more than three temperature difference thresholds, terminate the control to wind speed and running frequency, wherein,
3rd temperature difference threshold is more than the second temperature difference threshold.
In this embodiment, when the stream temperature difference is more than or equal to three temperature difference thresholds, illustrate that humidity is decreased, air-conditioner exists
Be not easy condensation occur in refrigeration or dehumidification process to blow water, now terminate the control to compressor and blower fan, make air-conditioner from
By running.
Embodiment prevents the method that condensation blows water according to a first aspect of the present invention, air-conditioner bring into operation including：Air-conditioning
Device is run under dehumidification mode or air-conditioner runs in cooling mode.
Fig. 2 shows the schematic block diagram of the device for preventing condensation from blowing water according to embodiments of the present invention.
As shown in Fig. 2 the embodiment of the second aspect of the present invention, it is proposed that a kind of device 200 for preventing condensation from blowing water, use
In air-conditioner, including：Timing unit 202, air-conditioner brings into operation, and records operation duration；Temperature difference unit 204, sets at least one
Individual predetermined time, when operationally length reaches predetermined time, detects the temperature of the first position of evaporator pipeline, obtains benchmark temperature
Degree, while detecting the temperature of the second place of evaporator pipeline, obtains sample temperature；Control unit 206, according to predetermined time with
And the temperature difference between the corresponding fiducial temperature of predetermined time and sample temperature, control the running frequency and indoor fan of compressor
Wind speed.
The condensation that prevents of embodiment blows the device 200 of water according to a second aspect of the present invention, remembers in air-conditioner running
Record run time, resets multiple predetermined times, and the pipe temperature temperature difference is sampled in multiple predetermined instants, has been transported with reference to air-conditioner
Row duration judges the condensation situation of indoor set, and anti-condensation adjustment is done to compressor and blower fan, the anti-condensation regulation and control hand of air-conditioner
Section is no longer dependent on humidity sensor, but by detecting the condensation shape of stream temperature rise Trend judgement indoor set in different time sections
State simultaneously controls compressor frequency and indoor fan wind speed, prevents condensation from blowing water phenomenon, wherein, prover pipe gently samples pipe temperature correspondingly
Test position (first position, the second place) set according to the concrete structure of indoor machine evaporation, of course it is also possible to set
Multiple sample positions are increasing accuracy and the flexibility of system.On the whole, humidity is avoided using the high sensitivity of temperature detection
The misjudgment phenomenon that sensor brings, improves the usage comfort of user.
The condensation that prevents of embodiment blows the device 200 of water according to a second aspect of the present invention, it is preferable that control unit 206, tool
Body includes：First control unit 2062, if first temperature difference detected under the first predetermined time is more than the first temperature difference threshold, will
The frequency of compressor is down to frequency threshold；Second control unit 2064, if first temperature difference detected under the first predetermined time is small
In equal to the first temperature difference threshold, then treating that air-conditioner run to the second predetermined time, the first position and the of evaporator is detected again
The Guan Wen of two positions, obtains second temperature difference, if second temperature difference is less than or equal to the second temperature difference threshold, control blower fan is with highest wind velocity
Work, while present operating frequency and the comparative result of frequency threshold according to compressor, adjust the frequency of compressor, wherein,
First temperature difference threshold is less than second temperature difference threshold.
In this embodiment, the setting corresponding temperature difference threshold of different time sections, within the time period, according to temperature difference threshold with
The comparing result of the pipe temperature temperature difference judge evaporator whether condensation, concurrently set the frequency threshold of compressor, air-conditioner operation
(it is judged as the bias current of evaporator stream or weldering to the first predetermined time, and when detecting the pipeline temperature difference more than the first temperature difference threshold
Point is blocked), compressor frequency is now reduced to default frequency threshold, the possibility that condensation occurs is reduced to the full extent.
If when the pipeline temperature difference that the first predetermined time is detected is less than or equal to the first temperature difference threshold, illustrating that air-conditioner wouldn't be produced solidifying
Dew, when it proceeds to next predetermined time, the signal piping temperature difference again, if now the temperature difference is less than the second temperature difference threshold,
Then explanation humidity is excessive, now improves blower fan wind speed and accelerates moisture evaporation, and reduces compressor operating frequency to reduce refrigerating capacity,
Air-conditioner energy consumption is also reduced while preventing condensation from generating.
The condensation that prevents of embodiment blows the device 200 of water according to a second aspect of the present invention, it is preferable that the second control unit
2064, specifically include：Frequency adjustment unit 20642, if present operating frequency is more than or equal to frequency threshold, the frequency of compressor drops
To frequency threshold, if present operating frequency is less than frequency threshold, the frequency of compressor minimizes running frequency.
In this embodiment, the current operating state according to compressor enters line frequency adjustment, realizes more preferable regulating effect,
Prevent compressor frequency that the loss and noise problem for bringing is widely varied.
The condensation that prevents of embodiment blows the device 200 of water according to a second aspect of the present invention, it is preferable that also include：Freely transport
Row unit 208, when the working frequency of compressor is minimum running frequency, first of a length of cycle detection evaporator during with the 3rd
The temperature with the second place is put, the 3rd temperature difference is obtained；When the 3rd temperature difference is more than three temperature difference thresholds, terminate to wind speed and fortune
The control of line frequency, wherein, the 3rd temperature difference threshold is more than the second temperature difference threshold.
In this embodiment, when the stream temperature difference is more than or equal to three temperature difference thresholds, illustrate that humidity is decreased, air-conditioner exists
Be not easy condensation occur in refrigeration or dehumidification process to blow water, now terminate the control to compressor and blower fan, make air-conditioner from
By running.
The condensation that prevents of embodiment blows the device 200 of water according to a second aspect of the present invention, it is preferable that air-conditioner brings into operation
Including：Air-conditioner is run under dehumidification mode or air-conditioner runs in cooling mode.
Fig. 3 shows the schematic block diagram of air-conditioner according to embodiments of the present invention.
As shown in figure 3, the third aspect of the present invention embodiment, it is also proposed that a kind of air-conditioner 300, including：Appoint as described above
The condensation that prevents described in one embodiment blows the device 200 of water, wherein, the device 200 for preventing condensation from blowing water includes：Timing unit,
Air-conditioner brings into operation, and records operation duration；Temperature difference unit, sets at least one predetermined time, and operationally length reaches default
During the moment, the temperature of the first position of evaporator pipeline is detected, obtain fiducial temperature, while detecting the second of evaporator pipeline
The temperature put, obtains sample temperature；Control unit, according to predetermined time and the corresponding fiducial temperature of predetermined time and sampling temperature
The temperature difference between degree, controls the running frequency of compressor and the wind speed of indoor fan.
The air-conditioner 300 of embodiment according to a third aspect of the present invention, run time is recorded in air-conditioner running,
Multiple predetermined times are reset, the pipe temperature temperature difference is sampled in multiple predetermined instants, operation duration judges with reference to air-conditioner
The condensation situation of indoor set, and anti-condensation adjustment is done to compressor and blower fan, the anti-condensation control measures of air-conditioner are eliminated the reliance on
In humidity sensor, but by detecting the condensation state of stream temperature rise Trend judgement indoor set in different time sections and controlling pressure
Contracting unit frequency and indoor fan wind speed, prevent condensation from blowing water phenomenon, wherein, prover pipe is gently sampled the corresponding test position of pipe temperature
(first position, the second place) sets according to the concrete structure of indoor machine evaporation, of course it is also possible to set multiple sampling positions
Put the accuracy to increase system and flexibility.On the whole, humidity sensor is avoided to bring using the high sensitivity of temperature detection
Misjudgment phenomenon, improve the usage comfort of user.
The air-conditioner 300 of embodiment according to a third aspect of the present invention, it is preferable that control unit, specifically includes：First control
Unit processed, if first temperature difference detected under the first predetermined time is more than the first temperature difference threshold, the frequency of compressor is down to
Frequency threshold；Second control unit, if first temperature difference detected under the first predetermined time is less than or equal to the first temperature difference threshold,
Treat that air-conditioner is run to the second predetermined time, the first position of evaporator and the Guan Wen of the second place are detected again, obtain second
The temperature difference, if second temperature difference is less than or equal to the second temperature difference threshold, control blower fan is worked with highest wind velocity, while according to compressor
Present operating frequency and the comparative result of frequency threshold, adjust the frequency of compressor, wherein, first temperature difference threshold is less than institute
State the second temperature difference threshold.
In this embodiment, the setting corresponding temperature difference threshold of different time sections, within the time period, according to temperature difference threshold with
The comparing result of the pipe temperature temperature difference judge evaporator whether condensation, concurrently set the frequency threshold of compressor, air-conditioner operation
(it is judged as the bias current of evaporator stream or weldering to the first predetermined time, and when detecting the pipeline temperature difference more than the first temperature difference threshold
Point is blocked), compressor frequency is now reduced to default frequency threshold, the possibility that condensation occurs is reduced to the full extent.
If when the pipeline temperature difference that the first predetermined time is detected is less than or equal to the first temperature difference threshold, illustrating that air-conditioner wouldn't be produced solidifying
Dew, when it proceeds to next predetermined time, the signal piping temperature difference again, if now the temperature difference is less than the second temperature difference threshold,
Then explanation humidity is excessive, now improves blower fan wind speed and accelerates moisture evaporation, and reduces compressor operating frequency to reduce refrigerating capacity,
Air-conditioner energy consumption is also reduced while preventing condensation from generating.
The air-conditioner 300 of embodiment according to a third aspect of the present invention, it is preferable that the second control unit, specifically includes：Frequently
Rate adjustment unit, if present operating frequency is more than or equal to frequency threshold, the frequency of compressor is down to frequency threshold, if work at present
Frequency is less than frequency threshold, and the frequency of compressor minimizes running frequency.
In this embodiment, the current operating state according to compressor enters line frequency adjustment, realizes more preferable regulating effect,
Prevent compressor frequency that the loss and noise problem for bringing is widely varied.
The air-conditioner 300 of embodiment according to a third aspect of the present invention, it is preferable that also include：Free-running operation unit, compression
When the working frequency of machine is minimum running frequency, the first position of a length of cycle detection evaporator and the second place during with the 3rd
Temperature, obtains the 3rd temperature difference；When the 3rd temperature difference is more than three temperature difference thresholds, terminate the control to wind speed and running frequency,
Wherein, the 3rd temperature difference threshold is more than the second temperature difference threshold.
In this embodiment, when the stream temperature difference is more than or equal to three temperature difference thresholds, illustrate that humidity is decreased, air-conditioner exists
Be not easy condensation occur in refrigeration or dehumidification process to blow water, now terminate the control to compressor and blower fan, make air-conditioner from
By running.
The air-conditioner 300 of embodiment according to a third aspect of the present invention, air-conditioner bring into operation including：Air-conditioner is in dehumidifying
Operation or air-conditioner run in cooling mode under pattern.
Fig. 4 shows a kind of exemplary flow of the implementation for preventing condensation from blowing water method according to embodiments of the present invention
Figure.
The anti-condensation of present invention offer is provided and blows one of concrete application scene of water method, mainly include：Step
402, start operation records two stream intervalve temperature (fiducial temperature T1 and sample temperature T2) of evaporator after 3 minutes；Step
404, T1, when the temperature difference of T2 is more than 3 DEG C, it is judged as that the bias current of evaporator stream or solder joint are stifled, compressor operating frequency is down to
Frmin runs, and prevents from forming condensation and blows water phenomenon；Step 406, when the temperature difference of T1, T2 is less than or equal to 3 DEG C, keeps current operation
State is run 30 minutes, and records new sample temperature T3；Step 408, when the temperature difference of T3, T1 is less than or equal to 5 DEG C, is judged as working as
Preceding humidity is excessive, and indoor set wind speed is improved to highest wind shelves (being the holding of highest wind shelves), record current compressor fortune
Line frequency Fr1 frequencies, as Fr1 >=Frmin, compressor frequency is down to Frmin, as Fr1 ＜ Frmin, compressor frequency drop
Minimum running frequency under to refrigeration mode, and keep current state to run 30 minutes and record sample temperature T4；Step 410, T4,
When the T1 temperature difference is more than or equal to 10 DEG C, it is judged as that current humidity has been reduced, recovers to free-run state；Step 412, T4, T1 temperature
When difference is less than 10 DEG C, the state operation of step 408, operation is kept to continue the judgement of repeat step 410 after 30 minutes.
In this embodiment, 3 minutes are run for the first predetermined time with air-conditioner, records the fiducial temperature T1 of first position
With the sample temperature T2 of the second place, air-conditioner continues to run with 30 minutes for the second predetermined time, records new sample temperature T3,
Air-conditioner continues to run with 30 minutes for the 3rd predetermined time, records another sample temperature T4, therebetween, according to different time not
Judge condensation situation with the temperature difference, and working condition to compressor and blower fan is adjusted, and step is unsatisfactory in temperature difference testing result
During requirement in rapid 410, in step 412 process with 30 minutes for the cycle is repeatedly judged, after period keeps step 408 adjustment
Running status.Generally, using accuracy of detection temperature sensor collecting temperature higher and by setting multiple sample times
With the mode of multiple temperature difference thresholds, the judgement of air-conditioner condensation state is completed, under the running environment for condensation easily occur and blowing water
The working condition of adjustment blower fan and compressor, effectively reduces condensation and blows water phenomenon.
Technical scheme is described in detail above in association with accompanying drawing, the present invention is proposed and a kind of new anti-condensation blows water
Method, direct detection stream different time sections temperature rise Trend judgement condensation state, while adjusting the work of compressor and blower fan
Make state, can not enough occur judging caused condensation by accident efficiently against humidity sensor precision and blow water problems.
Step in present invention method can according to actual needs carry out order adjustment, merge and delete, this hair
Part in bright embodiment can according to actual needs be merged, divides and deleted.The foregoing is only of the invention preferred
Embodiment, is not intended to limit the invention, for a person skilled in the art, the present invention can have it is various change and
Change.All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in this hair
Within bright protection domain.
Claims (11)
1. a kind of method for preventing condensation from blowing water, for air-conditioner, it is characterised in that including：
Air-conditioner brings into operation, and records operation duration；
At least one predetermined time is set, when operationally length reaches predetermined time, the first position of evaporator pipeline is detected
Temperature, obtains fiducial temperature, while detecting the temperature of the second place of evaporator pipeline, obtains sample temperature；
According to the temperature difference between predetermined time and the corresponding fiducial temperature of predetermined time and sample temperature, the fortune of compressor is controlled
The wind speed of line frequency and indoor fan.
2. method according to claim 1, it is characterised in that the mistake of the wind speed of the running frequency and blower fan of control compressor
Journey, specifically includes：
If first temperature difference detected under the first predetermined time is more than the first temperature difference threshold, the frequency of compressor is down to frequency
Threshold value；
If first temperature difference detected under the first predetermined time is less than or equal to the first temperature difference threshold, treat that air-conditioner is run to second
Predetermined time, detects the first position of evaporator and the Guan Wen of the second place again, second temperature difference is obtained, if second temperature difference is less than
Equal to the second temperature difference threshold, then blower fan is controlled to be worked with highest wind velocity, while according to the present operating frequency and frequency of compressor
The comparative result of threshold value, adjusts the frequency of compressor.
3. method according to claim 2, it is characterised in that while present operating frequency and frequency threshold according to compressor
Comparative result, adjusts the frequency of compressor, specifically includes：
If present operating frequency is more than or equal to frequency threshold, the frequency of compressor is down to frequency threshold；
If present operating frequency is less than frequency threshold, the frequency of compressor minimizes running frequency.
4. method according to claim 3, it is characterised in that also include：
When the working frequency of compressor is minimum running frequency, the first position of a length of cycle detection evaporator and the during with the 3rd
The temperature of two positions, obtains the 3rd temperature difference；
When the 3rd temperature difference is more than three temperature difference thresholds, terminate the control to wind speed and running frequency.
5. according to the method for any one of Claims 1-4, it is characterised in that air-conditioner bring into operation including：Air-conditioner is being removed
Operation or air-conditioner run in cooling mode under wet model.
6. a kind of device for preventing condensation from blowing water, for air-conditioner, it is characterised in that including：
Timing unit, air-conditioner brings into operation, and records operation duration；
Temperature difference unit, sets at least one predetermined time, operationally length when reaching predetermined time, and the of detection evaporator pipeline
The temperature of one position, obtains fiducial temperature, while detecting the temperature of the second place of evaporator pipeline, obtains sample temperature；
Control unit, according to the temperature difference between predetermined time and the corresponding fiducial temperature of predetermined time and sample temperature, control
The running frequency of compressor and the wind speed of indoor fan.
7. device according to claim 6, it is characterised in that described control unit, specifically includes：
First control unit, if first temperature difference detected under the first predetermined time is more than the first temperature difference threshold, by compressor
Frequency be down to frequency threshold；
Second control unit, if first temperature difference detected under the first predetermined time is less than or equal to the first temperature difference threshold, treats sky
Adjust device to run to the second predetermined time, the first position of evaporator and the Guan Wen of the second place detected again, obtain second temperature difference,
If second temperature difference is less than or equal to the second temperature difference threshold, control blower fan is worked with highest wind velocity, while according to the current of compressor
Working frequency and the comparative result of frequency threshold, adjust the frequency of compressor.
8. device according to claim 7, it is characterised in that second control unit, specifically includes：
Frequency adjustment unit, if present operating frequency is more than or equal to frequency threshold, the frequency of compressor is down to frequency threshold, if working as
Preceding working frequency is less than frequency threshold, and the frequency of compressor minimizes running frequency.
9. device according to claim 8, it is characterised in that also include：
Free-running operation unit, when the working frequency of compressor is minimum running frequency, a length of cycle detection evaporator during with the 3rd
First position and the second place temperature, obtain the 3rd temperature difference, the 3rd temperature difference be more than three temperature difference thresholds when, terminate to wind
The control of speed and running frequency.
10. according to the device of any one of claim 6 to 9, it is characterised in that air-conditioner bring into operation including：Air-conditioner exists
Operation or air-conditioner run in cooling mode under dehumidification mode.
A kind of 11. air-conditioners, it is characterised in that including：The condensation that prevents such as any one of claim 6 to 10 blows the dress of water
Put.
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| CN201710085760.0A CN106871350A (en) | 2017-02-17 | 2017-02-17 | Prevent condensation from blowing method, device and the air-conditioner of water |
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| CN108931026A (en) * | 2018-04-18 | 2018-12-04 | 青岛海尔空调器有限总公司 | A kind of anti-condensation air conditioning control method and device |
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