CN101576305A - Dehumidifying operation method of air conditioner - Google Patents
Dehumidifying operation method of air conditioner Download PDFInfo
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- CN101576305A CN101576305A CNA2008101114184A CN200810111418A CN101576305A CN 101576305 A CN101576305 A CN 101576305A CN A2008101114184 A CNA2008101114184 A CN A2008101114184A CN 200810111418 A CN200810111418 A CN 200810111418A CN 101576305 A CN101576305 A CN 101576305A
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to dehumidifying operation method of an air conditioner. During dehumidifying operation, a weighed value driven by a compressor is endowed according to indoor load and drive of the compressor is controlled. The compressor executes action and stops action repeatedly so as to control humidity effectively. In addition, during dehumidifying operation, a limit temperature is set and the air conditioner is operated or stopped according to indoor temperature so as to control humidity effectively to prevent over-low indoor temperature. Therefore, the invention provides comfortable environment with effect of improving degree of satisfaction.
Description
Technical field
The present invention relates to the dehumidifying operation method of air conditioner, particularly a kind of driven compressor of controlling in the dehumidification process, and realize the effectively dehumidifying operation method of the air conditioner of dehumidifying running.
Background technology
Usually, use in refrigeration system is in refrigeration, heating and air cleaning, and it is in order to form comfortable indoor environment, and to indoor discharge cold air, regulates indoor temperature, purifies the air of a room, thereby provides more comfortable indoor environment to the mankind.In general, air conditioner comprises: constituted and be arranged at indoor indoor set by heat exchanger; Constitute and to the off-premises station of indoor set the supply system cryogen by compressor and heat exchanger etc.
This air conditioner can be divided into following several types: the divergence type air conditioner that indoor set separates with off-premises station; Indoor set and off-premises station are combined into the integrated air conditioner of a device; Be installed on hanging air conditioner and picture-frame type air conditioner on the wall; Be erected in the slender type air conditioner in parlor; Constitute and be suitable for the stand-alone type air conditioner in the less space as family with the capacity that can drive an indoor set; Be suitable for the big-and-middle-sized air conditioner with the larger capacity formation in company or restaurant; The multiple-connecting air conditioner that constitutes with the capacity of many indoor sets of enough drivings etc.
This air conditioner is the interior air of conditioning chamber not only, and carries out the function of regulating humidity.When the dehumidifying for regulating humidity is in the past turned round, be easier to though reduce absolute humidity, along with dehumidifying running indoor temperature also reduces, so relative humidity variations is less, can not regulate the actual relative humidity of feeling of human body, thus the problem that exists effect on moisture extraction to reduce.
Excessively reduce the problem of indoor temperature when in addition, having the dehumidifying running.
Summary of the invention
The object of the invention provides a kind of dehumidifying operation method of following air conditioner, that is: in the dehumidifying running, give weighted value and come the drive compression machine according to the humidity of measuring, thereby when the dehumidifying running, can realize effective humidity regulation, in the dehumidifying running, in temperature range limit, turn round, and when the dehumidifying running, can realize that effective relative humidity reduces, and prevents the excessive reduction of indoor temperature.
The invention provides a kind of dehumidifying operation method of air conditioner, it comprises: according to the setting of dehumidification mode, import the step of desired humidity; Set the basic grade of drive compression machine according to indoor temperature and humidity, and make the action of above-mentioned compressor and indoor fan and the step that begins to dehumidify running; Set the step of the goal gradient of the compressor in the dehumidifying running; When above-mentioned compressor reaches above-mentioned goal gradient, the step that makes above-mentioned compressor stop to move; When reaching above-mentioned desired temperature, stop the dehumidifying running, and the step of the running that when not reaching desired temperature, restarts to dehumidify.
In addition, the invention provides a kind of dehumidifying operation method of air conditioner, it comprises: according to the setting of dehumidification mode, import the step of desired humidity; Make the action of compressor and indoor fan, and the step that begins to dehumidify running; Before reaching above-mentioned desired humidity, when indoor temperature reaches first limiting temperature, the step that makes above-mentioned compressor and above-mentioned indoor fan stop to move; After above-mentioned compressor and above-mentioned indoor fan stop, when indoor temperature reaches second limiting temperature, above-mentioned compressor and above-mentioned indoor fan are driven again and the step of the running that dehumidifies; When indoor humidity reaches above-mentioned desired humidity, the action of above-mentioned compressor and above-mentioned indoor fan is stopped, and finish the step of dehumidifying running.
As constituted above in the dehumidifying operation method according to air conditioner of the present invention, give the weighted value of the driven compressor in turning round according to dehumidifying according to temperature of measuring and humidity, and the goal gradient of set basis driven compressor, and make compressor action, thereby the driven compressor control according to humidity is become easily, and have the effect of easy adjusting indoor humidity.
In addition, in the dehumidifying operation method according to air conditioner of the present invention, indoor temperature is set limited field, and execution dehumidifying running in the limit temperature scope, thereby can realize effectively dehumidifying running, prevent the excessive descent of indoor temperature, regulate indoor humidity easily, comfortable environment is provided thus, and has the effect that improves satisfaction.
Description of drawings
Fig. 1 represents the stereogram of the running halted state of air conditioner according to an embodiment of the invention.
Fig. 2 is another example of air conditioner according to an embodiment of the invention, is the stereogram of the state in the expression action.
Fig. 3 represents the block diagram of the formation of air conditioner according to an embodiment of the invention.
Fig. 4 represents the flow chart of the relative humidity dehumidifying operation method of air conditioner according to an embodiment of the invention.
Fig. 5 is the space temperature when representing the action of air conditioner according to an embodiment of the invention and the curve map of the relation between the humidity of space.
Fig. 6 is the curve map of the relative humidity variations when representing air conditioner action according to an embodiment of the invention.
Fig. 7 represents the flow chart of the dehumidifying operation method of the limit of utilization temperature of air conditioner according to an embodiment of the invention.
The temperature that the difference that Fig. 8 sets according to limiting temperature when representing the action of air conditioner according to an embodiment of the invention changes and the curve map of humidity variation.
Fig. 9 is the temperature that changes along with the dehumidifying running of air conditioner according to an embodiment of the invention and the curve map of humidity variation.
The specific embodiment
Below, with reference to the description of drawings embodiments of the invention.
Fig. 1 represents the pie graph of the formation of air conditioner according to an embodiment of the invention.
Fig. 1 represents the stereogram of the running halted state of air conditioner according to an embodiment of the invention.Fig. 2 is another example of air conditioner according to an embodiment of the invention, is the stereogram of the state in the expression action.
Air conditioner of the present invention is applicable to that body 2 is any one situations such as vertical air conditioner, hanging air conditioner and ceiling air conditioner, below is that example describes for simplicity with the vertical air conditioner.
In addition, also comprise: be used to produce the indoor fan (not shown) of air-supply power, behind the inside of body 2, discharge to the outside of body 2 thereby suck room air in the inside of body 2; The indoor heat converter (not shown) that makes the air sent here by indoor fan and cold-producing medium carry out heat exchange.
In addition, be provided with blade 22,26 at body 2, at least one in these blade 22,26 switching air suction inlets 4,6 and the air outlet 8,10 also guides air.Below, blade 22,26 opens and closes air suction inlet 4,6 and air outlet 8,10 and simultaneously to sucking air and discharge the equal channeling conduct of air, and forms more longways along the vertical direction on the whole.
In addition, body 2 comprises base 12, housing 20, bottom and upper panel (not shown).Base 12 forms the front face outward appearance of body 2, and support housing 20 and lower panel etc.Housing 20 forms the back quadrate part outward appearance of body 2, and is configured to be positioned at the back quadrate part upside of base 12.
Lower panel is made of left side lower panel (not shown) that is formed with left side air suction inlet 4 and the lower right side panel (not shown) that is formed with right side air suction inlet 6.The left side lower panel is configured to be positioned at above the front part left side that housing 20 bottom anterior position are base 12, and left side air suction inlet 4 forms or forms along the place ahead, left side direction opening along the left and right directions opening.
It is above the front part right side of base 12 that the lower right side panel is configured to be positioned at housing 20 bottom anterior position, and right side air suction inlet 4 forms or forms along the place ahead, right side direction opening along the left and right directions opening.
Upper panel is disposed at the top, the place ahead of housing 20, and in the discharge portion (not shown) of left side, left side air outlet 8 forms or forms along the place ahead, left side direction opening along the left and right directions opening.At this, the left side discharge portion is recessed to form to the interior side direction of body 2, so that when left side blade 22 is closed, the outstanding left side wind direction adjusting portion 24 that forms is inserted into wherein and is received on left side blade 22.
In addition, be formed with right side discharge portion (not shown) on the upper panel, and be formed with right side air outlet 10 in the formation of discharge portion upper edge, right side left and right directions opening or along the place ahead, right side direction opening.At this, the right side discharge portion is recessed to form to the interior side direction of body 2, so that when right side blade 26 is closed, the outstanding three o'clock wind that forms is inserted into wherein to adjusting portion 28 and is received on right side blade 26.
In addition, be connected with front panel 30 in the place ahead of body 2, it is the center spinning movement with the side in the left and right side.
On the other hand, as shown in Figure 2, form the exhaust unit 40 with air outlet 42 on the body 2, exhaust unit 40 has in body 2 inner upper rising and discharge portion structure of descending towards the inboard of body 2 on body 2 above body 2.
At this, body 2 has above it whole opening surface that opens wide along the vertical direction, perhaps forms the peristome of opening along the vertical direction in the above, opening surface or the peristome and by lifting driven of exhaust unit 40 by body 2.
In addition, body 2 can have the input part of user's input command and the efferent of display action state.
Fig. 3 represents the block diagram of the formation of air conditioner according to an embodiment of the invention.
With reference to Fig. 3, air conditioner body 2 comprises: Humidity Detection portion 20, temperature detecting part 30, data portion 40, input part 50, efferent 60, fan control portion 70, Department of Communication Force 80 and control are according to the control part 10 of the action integral body of above-mentioned formation.
The control data that uses in the data portion 40 storage air-conditioner operation, the image construction data of output, effect sound data etc.And data portion also stores the data of the limiting temperature that is used for set basis dehumidifying running.But limiting temperature is the variable value of being set by control part 10, sometimes also can be by input part 50 inputs.
Department of Communication Force 80 can according to the rules communication mode and off-premises station O carry out exchanges data.
Efferent 60 can comprise the display unit of exportable literal, numeral, symbol, image, and represents the operating condition of air conditioner on picture.At this moment, efferent 60 can also comprise microphone or indicator lamp, and according to operating condition output alarm song or background music, indicator lamp is extinguished or lights and represents operating state.
In addition, the desirable humidity of importing by input part 50 is the humidity value that indoor user feels, therefore being preferably with relative humidity is benchmark, but also can according to circumstances use absolute humidity.
Especially, control part 10 is set according to running, makes air conditioner with refrigeration or heating mode action, correspondingly controls heat exchanger or indoor fan, and is sent to off-premises station O by Department of Communication Force 90 setting of will turn round.At this moment, whether control part 10 controls fan control portion 70 according to the driving of the compressor of off-premises station O so that the indoor fan action.At this, fan control portion 70 comes the action of control room internal fan whether to reach rotary speed according to the control command of control part 10.
Especially, control part 10 is set the basic grade of compressor according to the indoor load of temperature and humidity when carrying out the dehumidifying running, come the target setting grade and be sent to off-premises station O according to weighted value, thus the drive compression machine.
The compressor of off-premises station is driven according to the basic grade of being set by control part 10 as described above, when reaching goal gradient in the dehumidifying running, stops action.Compressor is that benchmark is carried out action repeatedly or stopped action with the goal gradient.Air conditioner is carried out the dehumidifying running till reaching desired humidity thus.At this moment, basic grade is meant the basic operating frequency according to driven compressor, and goal gradient is meant the maximum target operating frequency that the compressor operation frequency should reach when increasing.
At this, the basic grade of compressor and the setting of goal gradient, can according to circumstances be set on any in indoor set or the off-premises station, although be recited as by carrying out in the air conditioner body 2 of the present invention, but be not limited to this, and expression is variable about the main body of the setting of basic grade and goal gradient.
At this moment, the weighted value form of control part 10 set basis psychrometric differences, and set weighted value according to psychrometric difference.In addition, about psychrometric difference, when desired humidity is relative humidity, be benchmark with the temperature, calculate its value by comparing with relative humidity, when it is absolute humidity, can use the humidity value of mensuration.
Below, be that relative humidity is example with desired humidity, but be not limited to this.And, whether reach desired humidity, preferably use in the indoor humidity value absolute humidity or according to the rh value in the relative humidity that calculates, but according to circumstances also can replace using the absolute humidity value.
In addition, control part 10 was set limiting temperature before beginning dehumidifying running, about limiting temperature preferably according to setting based on the indoor temperature of measuring before the dehumidifying running.According to circumstances, can set limiting temperature by input part 50.
At this, control part 10 in dehumidifying running, at compressor operation to the goal gradient process, limiting temperature and the indoor temperature of importing by temperature detecting part 30 are compared, if when reaching capacity temperature, stop the dehumidifying running, even compressor miss the mark grade also stops its action.
Especially, when control part 10 reaches first limiting temperature when indoor temperature, make compressor and indoor fan stop action, and after the standby stipulated time, if when indoor temperature reaches second limiting temperature, drive compression machine and indoor fan again, running once more dehumidifies.At this, whether indoor fan moves according to the action of compressor.At this moment, first limiting temperature is to stop to dehumidify the liminal value of indoor temperature of running, and second limiting temperature is the temperature that the dehumidifying running restarts.Second limiting temperature is configured to exceed more than the setting than first limiting temperature, but its value is variable.
For example, initial indoor temperature is 32 degree when above, and setting first limiting temperature is 27 degree, when initial indoor temperature when to be that 26 degree are above spend less than 32, can be set at 24.5 and spend.And, when initial indoor temperature when spending less than 26, can set first limiting temperature according to indoor temperature, rather than the numerical value of appointment.That is to say, can be set at than about low 1 to 2 degree of indoor temperature.
About second limiting temperature, when it is 26 degree when above, be set at than high 1 degree of first limiting temperature to 2 degree, when being lower than 26 when spending, be set at than high 0.5 degree of first limiting temperature to 1 degree.At this, second limiting temperature preferably sets in the scope that is no more than 5 minutes in the time that makes the running that stops to dehumidify.
That is, control part 10 stops after the dehumidifying running through after 5 minutes, and indoor temperature does not reach second limiting temperature and when shutting down for a long time yet, represents that second limiting temperature sets too highly, should reduce by second limiting temperature and resets.
Thus, control part 10 restarts the dehumidifying running according to second limiting temperature after changing, carries out the dehumidifying running in the scope of first limiting temperature and second limiting temperature.At this, though do not reach first limiting temperature when indoor temperature, when compressor had reached goal gradient, compressor can shut down temporarily, and control part 10 recognizes this situation and through after the stipulated time, restarts the dehumidifying running.At this moment, if compressor stops action, then indoor fan also stops action.
As follows about the action specification that constitutes as mentioned above according to one embodiment of the invention.
Fig. 4 represents the flow chart of the dehumidifying operation method of air conditioner according to an embodiment of the invention.
With reference to Fig. 4, set dehumidification mode (S310) by input part 50, import desired temperature (S320) according to dehumidification mode.At this moment, the desired humidity of input is benchmark with the humidity value of user's perception, preferably is benchmark with relative humidity therefore.
In the dehumidifying running, control part 10 is accepted indoor temperature and humidity (S380) by temperature detecting part 30 and Humidity Detection portion 20 at interval with official hour.
At this, when the action of compressor stopped, by the information that Department of Communication Force 80 stops about compressor action to control part 10 inputs, control part 10 through after the stipulated time, started compressor when not reaching desired humidity again.
Fig. 5 is when representing air conditioner action according to an embodiment of the invention, and the curve map of the relation of indoor temperature and indoor humidity, Fig. 6 are when representing air conditioner action according to an embodiment of the invention, the curve map of relative humidity variations.
As mentioned above, air conditioner is considered the indoor load according to temperature and humidity, controls the driving according to the compressor of dehumidifying running, thereby reduces indoor humidity.
With reference to Fig. 5, the 1st curve L1 representation space relative humidity, the 2nd curve L2 representation space temperature.
As mentioned above, during the dehumidifying running, along with reducing of time through the relative temperature in the space.And along with the reduction of relative humidity, indoor temperature (baking temperature) also can reduce.
The relative humidity variations that turns round according to dehumidifying is shown in the curve on the following humid air line chart.Among Fig. 6, the 3rd curve L3 is an absolute humidity, and the 4th curve L4 is a relative humidity, and the 5th curve L5 is temperature (baking temperature).
When the air conditioner body is carried out the dehumidifying running, as shown in Figure 6, P1 absolute humidity is about 72% before the dehumidifying running, and relative humidity is 79%, and temperature is 26 degree, make the driven compressor running back P2 that till goal gradient, dehumidifies as described above, absolute humidity is about 35%, and relative humidity is 50%, and temperature is 18 degree, hence one can see that is not only absolute humidity, and relative humidity also changes.
Thereby, dehumidifying operation method according to air conditioner of the present invention, consider that temperature and humidity calculates indoor load and drive compression machine, and give weighted value according to detected humidity and temperature in the running, set the goal gradient of compressor and carry out the dehumidifying running, control relative humidity thus effectively.
In addition, the situation according to limiting temperature execution dehumidifying running is as follows.
Fig. 7 represents the flow chart of the dehumidifying operation method that passes through limit temperature of air conditioner according to an embodiment of the invention.At this moment, the identical process of dehumidifying operation method of dehumidifying running original execution and above-mentioned Fig. 4.
With reference to Fig. 7, when setting dehumidification mode (S510), import desired temperature (S520) according to dehumidification mode by input part 50.Air conditioner body 2 is carried out the dehumidifying running according to the setting of input, and control part 10 was controlled temperature detecting part 30 and Humidity Detection portion 20 before entry into service, and detects Current Temperatures and humidity.
At this moment, control part 10 is set first limiting temperature according to the scope under the initial indoor temperature, and sets second limiting temperature according to first limiting temperature.And control part 10 utilizes detected temperature and humidity value to come the counting chamber internal loading as described above, and the basic grade of the compressor of set basis dehumidifying running.
As mentioned above, when the basic grade of compressor and limiting temperature are set when finishing, control part 10 makes air conditioner with the running (S550) that dehumidifies of weak wind pattern, refrigeration mode.At this moment, with refrigeration mode drive compression machine, compressor moves as the initial operation frequency with basic grade indoor set O according to the basic grade of setting.
In the dehumidifying running, control part 10 is imported indoor temperature (S560) by temperature detecting part 30 with specific time interval.And, detect indoor humidity.
The temperature and humidity value that control part 10 utilization is imported is that benchmark calculates relative humidity with the Current Temperatures, and calculates the psychrometric difference with desired humidity, the weighted value of set basis psychrometric difference thus.In addition, control part 10 is set at the value that weighted value multiply by basic grade goal gradient and is sent to off-premises station O (S570).
As mentioned above, control part 10 is kept the dehumidifying running till reaching desired humidity, and (S530) shuts down when reaching desired humidity.
At this moment, under the state that does not reach desired humidity in the dehumidifying running (S580), when detected Current Temperatures has reached first limiting temperature (S590), control part 10 makes compressor and indoor fan stop action, and temporarily stops dehumidifying running (S600).
In the dehumidifying running stops, when indoor temperature reaches second limiting temperature, restart the dehumidifying running, as mentioned above, in first and second temperature range limit, carry out dehumidifying running (S550 to S620).
At this moment, under the state that the dehumidifying running temporarily stops, even passed through specific time interval, but when indoor temperature does not reach second design temperature yet, represent that second limiting temperature sets too highly, so control part 10 resets second limiting temperature and make its reduction, and re-execute the dehumidifying running.
At this, control part 10 before indoor temperature reaches first limiting temperature, when compressor has reached goal gradient, temporarily stops the dehumidifying running in the dehumidifying running, in not satisfying the scope of desired humidity, through after the stipulated time, restarts the dehumidifying running.
As mentioned above, air conditioner is worked as indoor humidity and is not reached before the desired humidity, carries out the dehumidifying running repeatedly, or temporarily stops, and carries out the running that dehumidifies thus, stops dehumidifying running (S630) when reaching desired humidity.
That is, the dehumidifying running is carried out as follows, promptly till indoor temperature reaches desired temperature, indoor temperature is reduced to below first limiting temperature, and driven compressor is carried out till goal gradient.Thus, in the dehumidifying running, indoor temperature can not be lower than below first limiting temperature, therefore prevents that indoor temperature from too reducing, and can regulate humidity simultaneously.
When carrying out the dehumidifying running as described above, the following variation of indoor temperature and indoor humidity.
Fig. 8 is when representing air conditioner action according to an embodiment of the invention, the curve map that temperature that the difference of setting according to limiting temperature changes and humidity change.
With reference to above-mentioned Fig. 6, when carrying out the dehumidifying running under setting the condition of limiting temperature, indoor temperature will sharply descend, and relative humidity drops to about 50% from 79%, and indoor temperature drops to 18 degree from 26.5 degree, and indoor temperature too descends.
At this moment, as shown in Figure 8, when the setting limiting temperature was carried out the dehumidifying running, humidity and temperature rose repeatedly and descend, and final indoor humidity reduces and indoor temperature is kept certain level.
When beginning when running dehumidifying, in the first interval D1, air conditioner is with the running that dehumidifies of weak wind refrigeration mode.At this moment, indoor temperature also descended when humidity descended, and when indoor temperature reached first limiting temperature, air conditioner stopped the dehumidifying running.After this, in the second interval D2, keep the state that dehumidifying stops, when indoor temperature reaches second limiting temperature, restart the dehumidifying running.
After carrying out the dehumidifying running in the 3rd interval D3, when reaching first limiting temperature, the dehumidifying running stops once more, after shutting down in the 4th interval, when indoor temperature reaches second limiting temperature, in the 5th interval, restart dehumidifying running, the dehumidifying running finished when indoor humidity reached desired humidity.
Thus, reduce to approximately at 50% o'clock in indoor relative humidity, indoor temperature is kept about 25 degree.
Fig. 9 represents the temperature that changes according to the dehumidifying running of air conditioner according to an embodiment of the invention and the curve map of humidity variation.The variation in time of Fig. 9 (a) expression temperature, Fig. 9 (b) expression indoor humidity over time.At this moment, initial indoor temperature is 30 degree, and first limiting temperature is 24.5 degree, and second limiting temperature is 27 degree.
As shown in Figure 9, set limiting temperature and control the driving of compressor and indoor fan, temperature is reduced to below limiting temperature 24.5 degree, maintain about 25 degree, indoor humidity drops to 45% by 70%, so indoor temperature maintains certain level and can realize effective humidity control.
Thus, dehumidifying operation method according to air conditioner of the present invention, consider that temperature and humidity comes the counting chamber internal loading, and the drive compression machine, and give weighted value according to detected humidity and temperature in the running, set the goal gradient of compressor and carry out dehumidifying and turn round, and setting limiting temperature, carry out the dehumidifying running in temperature range limit, thereby prevent the indoor temperature excessive descent, the while is controlled humidity effectively.
As implied above, about air conditioner according to the present invention and method of operating thereof, be illustrated with reference to accompanying drawing, but this only is an illustration, be interpreted as if possess the people of the common knowledge in present technique field, then can implement with various distortion and other impartial embodiment thereof.The present invention is not limited to embodiment shown in this specification and accompanying drawing, and can be applied in the scope that technological thought is protected.
Claims (14)
1. the dehumidifying operation method of an air conditioner is characterized in that, comprising:
According to the setting of dehumidification mode, import the step of desired humidity;
Set the basic grade of drive compression machine according to indoor temperature and humidity, and make the action of above-mentioned compressor and indoor fan and the step that begins to dehumidify running;
Set the step of the goal gradient of the compressor in the dehumidifying running;
When above-mentioned compressor reaches above-mentioned goal gradient, the step that makes above-mentioned compressor stop to move;
When reaching above-mentioned desired temperature, stop the dehumidifying running, and the step of the running that when not reaching desired temperature, restarts to dehumidify.
2. the dehumidifying operation method of air conditioner according to claim 1, it is characterized in that, above-mentioned goal gradient is set in the step, based on detected temperature in the above-mentioned dehumidifying running, and according to detected humidity or the humidity that calculates by said temperature in the running, with the psychrometric difference of above-mentioned desired humidity, calculate weighted value, utilize above-mentioned weighted value and above-mentioned basic grade to set above-mentioned goal gradient.
3. the dehumidifying operation method of air conditioner according to claim 2 is characterized in that, above-mentioned goal gradient is set in the step, above-mentioned weighted value be multiply by above-mentioned basic grade come the target setting grade.
4. the dehumidifying operation method of air conditioner according to claim 2 is characterized in that, above-mentioned goal gradient is set in the step, according to said temperature, considers current thermic load and potential thermic load, sets the above-mentioned weighted value corresponding to above-mentioned psychrometric difference.
5. the dehumidifying operation method of air conditioner according to claim 1, it is characterized in that, about above-mentioned basic grade, according to above-mentioned indoor temperature and the humidity before the dehumidifying running, measured, calculate indoor load, and set above-mentioned basic grade corresponding to above-mentioned indoor load.
6. the dehumidifying operation method of air conditioner according to claim 1 is characterized in that, in the above-mentioned dehumidifying running, above-mentioned compressor turns round with refrigeration mode.
7. the dehumidifying operation method of air conditioner according to claim 1 is characterized in that, when above-mentioned dehumidifying was turned round, above-mentioned indoor fan moved with weak wind pattern.
8. the dehumidifying operation method of air conditioner according to claim 1 is characterized in that, above-mentioned basic grade is the basic operating frequency of above-mentioned compressor, and above-mentioned goal gradient is the maximum target operating frequency that the operating frequency of above-mentioned compressor is reached when increasing.
9. the dehumidifying operation method of an air conditioner is characterized in that, comprising:
According to the setting of dehumidification mode, import the step of desired humidity;
Make the action of compressor and indoor fan, and the step that begins to dehumidify running;
Before reaching above-mentioned desired humidity, when indoor temperature reaches first limiting temperature, the step that makes above-mentioned compressor and above-mentioned indoor fan stop to move;
After above-mentioned compressor and above-mentioned indoor fan stop, when indoor temperature reaches second limiting temperature, above-mentioned compressor and above-mentioned indoor fan are driven again and the step of the running that dehumidifies;
When indoor humidity reaches above-mentioned desired humidity, the action of above-mentioned compressor and above-mentioned indoor fan is stopped, and finish the step of dehumidifying running.
10. the dehumidifying operation method of air conditioner according to claim 9 is characterized in that, according to detected initial indoor temperature before the dehumidifying running, sets above-mentioned first and second limiting temperature.
11. the dehumidifying operation method of air conditioner according to claim 10, it is characterized in that, above-mentioned second limiting temperature is set to and is higher than above-mentioned first limiting temperature, and be configured to can according to above-mentioned initial indoor temperature change and above-mentioned first limiting temperature between poor.
12. the dehumidifying operation method of air conditioner according to claim 11, it is characterized in that, also comprise the steps, after promptly stopping the dehumidifying running stop action along with above-mentioned compressor and indoor fan, to driving the required time again is stipulated time when above, above-mentioned second limiting temperature is reset and makes its reduction.
13. the dehumidifying operation method of air conditioner according to claim 9, it is characterized in that, before above-mentioned indoor humidity reaches above-mentioned desired humidity, make above-mentioned compressor and indoor fan between above-mentioned first limiting temperature and above-mentioned second limiting temperature, carry out action repeatedly and stop action.
14. the dehumidifying operation method of air conditioner according to claim 9 is characterized in that,
In the above-mentioned dehumidifying running step, according to indoor load, set basic grade, and make the above-mentioned compressor action according to above-mentioned basic grade based on initial indoor temperature and indoor humidity;
In the dehumidifying running, according to detected humidity value or the humidity value that calculates by indoor temperature, and above-mentioned desired humidity between psychrometric difference, calculate weighted value, and the goal gradient of setting above-mentioned compressor, and make the above-mentioned compressor action till above-mentioned goal gradient, when above-mentioned compressor reaches above-mentioned goal gradient, make it stop to move the stipulated time.
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KR1020080042161A KR20090116300A (en) | 2008-05-07 | 2008-05-07 | Dehumidification controlling method for air conditioner |
KR1020080042160A KR101526338B1 (en) | 2008-05-07 | 2008-05-07 | Dehumidification controlling method for Air conditioner |
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Also Published As
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CN101576305B (en) | 2011-09-14 |
KR101526338B1 (en) | 2015-06-08 |
KR20090116299A (en) | 2009-11-11 |
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