CN101878398A - Air conditioning apparatus - Google Patents

Air conditioning apparatus Download PDF

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Publication number
CN101878398A
CN101878398A CN2008801180998A CN200880118099A CN101878398A CN 101878398 A CN101878398 A CN 101878398A CN 2008801180998 A CN2008801180998 A CN 2008801180998A CN 200880118099 A CN200880118099 A CN 200880118099A CN 101878398 A CN101878398 A CN 101878398A
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CN
China
Prior art keywords
value
humidity
indoor
temperature
conditioning apparatus
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Granted
Application number
CN2008801180998A
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Chinese (zh)
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CN101878398B (en
Inventor
松原笃志
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Daikin Industries Ltd
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Daikin Industries Ltd
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Publication of CN101878398A publication Critical patent/CN101878398A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/0008Control or safety arrangements for air-humidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode

Abstract

Provided is an air conditioning apparatus which provides comfortable indoor environment in a short time after starting operation. An air conditioning apparatus (1) automatically controls energy saving operation. The air conditioning apparatus (1) is provided with a judging section (8c), which judges whether the indoor temperature and humidity have reached an target temperature value and a target humidity value which are the target values for obtaining comfortable indoor temperature and humidity; and an adjusting section (8d), which performs first adjusting process for adjusting the target temperature value close to the target temperature value, based on the relationship between humidity and the target humidity value, and/or a second adjusting process which adjusts the target humidity value close to the garget humidity value, based on the relationship between temperature and the target temperature value.

Description

Air conditioning apparatus
Technical field
The present invention relates to air conditioning apparatus.
Background technology
In the past, having proposed to wait air conditioner surroundings that keeps comfortable by temperature in the control room and/or humidity is the air conditioning apparatus (for example, patent documentation 1 etc.) of purpose.
Patent documentation 1: Japanese kokai publication hei 4-320750 communique
But, when the air conditioner surroundings of the temperature that will use this air conditioning apparatus to realize to wish and/or humidity, make the temperature and humidity both sides reach desired value after being difficult in the running beginning, so the user feels comfortable and needs considerable time indoor at once.
Summary of the invention
Problem of the present invention provides a kind of air conditioning apparatus, can obtain the comfortableness based on temperature and humidity both sides' body sense as early as possible.
The air conditioning apparatus of first invention is the air conditioning apparatus that carries out energy-saving operation by automatic control, has judging part and adjusting portion.Whether judgement section judges indoor temperature and indoor humidity reach target temperature value and target humidity value respectively.Target temperature value and target humidity value are the desired values that is used to realize comfortableness.Adjusting portion is carried out the 1st and is regulated processing and/or the 2nd adjusting processing.The 1st regulates processing according to the relation between indoor humidity and the target humidity value, regulates target temperature value near target temperature value.The 2nd regulates processing according to the relation between indoor temperature and the target temperature value, regulates the target humidity value near the target humidity value.
In air conditioning apparatus of the present invention, do not reach in indoor humidity under the situation of target humidity value, near target temperature value, regulate target temperature value.On the other hand, do not reach in temperature under the situation of target temperature value, near the target humidity value, regulate the target humidity value.Wherein, near the said target temperature value of regulating target temperature value for example refers to when target temperature value is 22 ℃ target temperature value is set near the value 22 ℃ of 21 ℃ or 23 ℃ etc.Equally, near the said target humidity value of regulating the target humidity value for example refers to that in the target humidity value be near the value that the target humidity value is set at 45% or 55% etc. 50% at 50% o'clock.
Thus, do not reach under the situation of target temperature value or target humidity value, can feel body sense comfortableness based on temperature and humidity both sides as early as possible yet in temperature or humidity.
The air conditioning apparatus of second invention is in the air conditioning apparatus of first invention, either party in indoor temperature and indoor humidity reaches target temperature value or target humidity value, and the opposing party does not reach under the situation of target temperature value or target humidity value, and the side that adjusting portion will reach desired value temporarily is set at the desired value that surpasses and promptly surpasses desired value.
In air conditioning apparatus of the present invention, the either party in indoor temperature and indoor humidity reaches desired value and the opposing party does not reach under the situation of desired value, and a side that temporarily will reach desired value is set at above desired value.For example, reach the target house temperature but indoor humidity does not reach under the situation of target humidity value, temporarily change the setting of target house temperature, be set at value above the target house temperature in indoor room temperature.On the contrary, reach the target humidity value but indoor temperature does not reach under the situation of target house temperature, temporarily change the setting of target humidity value, be set at value above the target humidity value in indoor humidity.
Thus, the temperature of desired value and the comfortable indoor environment of the either party in the humidity can have been realized considering not reaching.
The air conditioning apparatus of the 3rd invention is in the air conditioning apparatus of second invention, indoor humidity does not reach under the situation of target humidity value in the processing when regulating the 1st, adjusting portion is set at target temperature value above temperature value, when indoor humidity reaches the target humidity value, make target temperature value revert to target temperature value then from surpassing temperature value.The said desired value that surpasses that surpasses temperature value feeling the pulse with the finger-tip mark temperature value.
In air conditioning apparatus of the present invention, if humidity does not reach the target humidity value, then will be set at target temperature value above the temperature of target temperature value, if humidity reaches the target humidity value, then make target temperature value revert to original target temperature value.
Thus, when humidity reaches the target humidity value, set and revert to target temperature value, at once so also can obtain energy-saving effect.
The air conditioning apparatus of the 4th invention is in first~the 3rd invention in the air conditioning apparatus of arbitrary invention, and energy-saving operation has a plurality of operation modes, and target humidity value and target temperature value are according to operation mode and definite.
In air conditioning apparatus of the present invention, utilize target temperature value and the target humidity value corresponding to control with operation mode.
Thus, can under each operation mode, realize comfortable air conditioner surroundings.
The air conditioning apparatus of the 5th invention is in the air conditioning apparatus of arbitrary invention in first~the 4th invention, also has the indoor humidity detecting unit.The indoor humidity detecting unit detects indoor humidity.
In air conditioning apparatus of the present invention, will compare by detected humidity of indoor humidity detecting unit and target humidity value.Here, said indoor humidity detecting unit for example refers to estimate the means of humidity or humidity sensor etc. according to the temperature of indoor heat converter.
Thus, can regulate the humidity of being grasped, realize comfortable air conditioner surroundings.
The air conditioning apparatus of the 6th invention is in the air conditioning apparatus of arbitrary invention in first~the 4th invention, also has compressor, outdoor heat converter, indoor heat converter, temperature detecting unit and estimation portion.Temperature detecting unit detects the temperature of indoor heat converter.Estimation portion estimates indoor humidity.In addition, be that estimation portion is according to estimating indoor humidity by the temperature of the detected indoor heat converter of temperature detecting unit under the situation of refrigeration or dehumidifying at operation mode.
In air conditioning apparatus of the present invention, will compare according to humidity and the target humidity value that the temperature of indoor heat converter is estimated.
Thus, even when air conditioning apparatus does not have humidity sensor, also can realize having considered the comfortable air conditioner surroundings of humidity.
In the air conditioning apparatus of first invention, do not reach under the situation of target temperature value or target humidity value in temperature or humidity, also can on health, feel comfortableness based on temperature and humidity both sides as early as possible.
In the air conditioning apparatus of second invention, the temperature of desired value and the comfortable indoor environment of the either party in the humidity can have been realized considering not reaching.
In the air conditioning apparatus of the 3rd invention, when humidity reaches the target humidity value, set and revert to target temperature value, at once so also can obtain energy-saving effect.
In the air conditioning apparatus of the 4th invention, can under each operation mode, realize comfortable air conditioner surroundings.
In the air conditioning apparatus of the 5th invention, can regulate the humidity of being grasped, realize comfortable air conditioner surroundings.
In the air conditioning apparatus of the 6th invention,, also can realize having considered the comfortable air conditioner surroundings of humidity even when air conditioning apparatus does not have humidity sensor.
Description of drawings
Fig. 1 is the overall appearance figure of the air conditioning apparatus of present embodiment.
Fig. 2 is structure, and the figure that flows of air of structure, the humidifying unit of the refrigerant loop of expression indoor set of present embodiment and outdoor unit of air conditioner.
Fig. 3 is the control block diagram of the air conditioning apparatus of present embodiment.
Fig. 4 is the figure of the mode decision of expression when selecting energy-conservation automatic operation mode.
Fig. 5 A be expression when heating humidity and the figure of the relation between the temperature.
Humidity when Fig. 5 B is expression refrigeration and dehumidifying and the figure of the relation between the temperature.
Fig. 6 A is the figure that is illustrated in the flow process of the processing when heating running under the energy-conservation automatic operation mode.
Fig. 6 B is the figure that is illustrated in the flow process of the processing when carrying out cooling operation under the energy-conservation automatic operation mode.
Label declaration
1 air conditioning apparatus; 2 indoor sets; 3 off-premises stations; 4 humidifying unit; 5 outdoor unit of air conditioner; 6 give tracheae; 31,32 refrigerant pipings.
The specific embodiment
(1) structure in general of air conditioning apparatus 1
Fig. 1 represents the outward appearance of the air conditioning apparatus 1 of an embodiment of the invention.Air conditioning apparatus 1 is main by the indoor set 2 that is installed in indoor wall be arranged on outdoor off-premises station 3 and constitute, and indoor set 2 and off-premises station 3 use special-purpose order wire to carry out the transmission and the reception of signal.Off-premises station 3 is made of outdoor unit of air conditioner 5 and humidifying unit 4.Outdoor unit of air conditioner 5 is connected with indoor set 2 by refrigerant piping 31,32, and outdoor unit of air conditioner 5 and indoor set 2 constitute the refrigerant loop of narrating later.Humidifying unit 4 is by being connected with indoor set 2 to tracheae 6, and the extraneous air that is taken in the humidifying unit 4 flows to indoor set 2 by giving tracheae 6.
Air conditioning apparatus 1 has various operation modes, for example the cooling operation pattern, heat operation mode, dehumidifying operation mode and energy-conservation automatic operation mode etc., form the comfortable indoor environment corresponding with user's requirement.In the present embodiment, said energy-conservation automatic operation mode has referred to be preestablished the pattern of target temperature value, target humidity value, wind direction and air quantity etc., so that can fully realize comfortableness, and can carry out the good control of energy-saving efficiency.Target temperature value that energy-conservation automatic operation mode utilization is set according to refrigeration phase or the phase of heating in advance and target humidity value etc., control air conditioning apparatus 1.In addition, the refrigeration phase dehumidify the running or cooling operation (desiccant cooling running), heat running (humidification heats running) in the phase of heating.
(1-1) indoor set 2 and outdoor unit of air conditioner 5
Fig. 2 represents the refrigerant loop figure of indoor set 2 and outdoor unit of air conditioner 5.Below, use Fig. 2 and Fig. 3 that the structure of indoor set 2 and outdoor unit of air conditioner 5 is described.
(i) indoor set 2
Indoor set 2 mainly has indoor heat converter 21, cross flow fan 22 and indoor fan motor 23.The heat-transfer pipe that indoor heat converter 21 repeatedly constitutes by turning back at the length direction two ends and insert a plurality of fin be connected with heat-transfer pipe and constitute and carries out heat exchange between the air that is contacted.Indoor heat converter 21 plays a role as evaporimeter when cooling operation, and the temperature of the room air that contacts with indoor heat converter 21 is reduced.And the airborne moisture that contacts with indoor heat converter 21 becomes water droplet, is dropped in the drip tray (not shown) of the below of being located at indoor heat converter 21.Therefore, the humidity that is discharged to indoor air also reduces.On the other hand, heating when running, indoor heat converter 21 plays a role as condenser.Thus, contact with indoor heat converter 21 and heated air is transported to indoor.Cross flow fan 22 constitutes drum, is provided with a plurality of blades on periphery.Cross flow fan 22 along and the direction that intersects of rotating shaft form air stream, room air is drawn in the indoor set 2, simultaneously will and indoor heat converter 21 between carry out heat-exchanged air and be blown out to indoor.Cross flow fan 22 is being driven by indoor fan motor 23 and is rotating.Indoor fan motor 23 is connected with the control part of narrating later 8, according to moving from the control signal of control part 8.
In addition, various sensors are installed in indoor set 2.Various sensors comprise inlet temperature sensor 25 and indoor humidity sensor 26 etc.Inlet temperature sensor 25 detects the temperature of the room air that is inhaled into indoor set 2, and indoor humidity sensor 26 detects indoor humidity.Here, the humidity of indoor humidity sensor 26 detections is relative humidity.As shown in Figure 3, inlet temperature sensor 25 is connected with control part 8 respectively with indoor humidity sensor 26, is sent to control part 8 by inlet temperature sensor 25 and indoor humidity sensor 26 detected values.
(ii) outdoor unit of air conditioner 5
Mainly be provided with compressor 51, propeller fan 52, outdoor fan motor 53, outdoor heat converter 54, four-way switching valve 55, motor-driven valve 56, hydraulic fluid side draught excluder 57 and gas side draught excluder 58 at outdoor unit of air conditioner 5.Compressor 51 is the equipment that can control regulating power by inverter, sucks the gas refrigerant of low pressure, the gas refrigerant that sucks is collapsed into the gas refrigerant and the discharge of high pressure.Propeller fan 52 is being driven by outdoor fan motor 53 and is rotating, and extraneous air is drawn in the housing.
Outdoor heat converter 54 is used to make between the extraneous air that is inhaled at the cold-producing medium of outdoor heat converter 54 internal flows with by propeller fan 52 in the outdoor unit of air conditioner 5 and carries out heat exchange.One end of outdoor heat converter 54 is connected with four-way switching valve 55, and the other end is connected with motor-driven valve 56.Four-way switching valve 55 switches refrigerant loop according to the refrigerating/heating pattern.At the cold-producing medium of outdoor heat converter 54 internal flows, (when four-way switching valve 55 is in the solid line state) heat radiation when the running of refrigeration mode, (when four-way switching valve 55 is in the dotted line state) heat absorption when the running of heating mode.Motor-driven valve 56 changes the aperture of valve, and control flows to the amount of the cold-producing medium of outdoor heat converter 54.Hydraulic fluid side draught excluder 57 and gas side draught excluder 58 carry out the switching of refrigerant loop.Outdoor fan motor 53, compressor 51, four-way switching valve 55, motor-driven valve 56, hydraulic fluid side draught excluder 57 and gas side draught excluder 58 etc. are connected with control part 8 according to shown in Figure 3, according to moving from the control signal of control part 8.
In addition, in outdoor unit of air conditioner 5, be provided with the various sensors that comprise external air temperature sensor shown in Figure 3 59.External air temperature sensor 59 detects external air temperature.External air temperature sensor 59 is connected with the control part of narrating later 8, is sent to control part 8 by external air temperature sensor 59 detected values.
(1-2) humidifying unit 4
Below, the structure of humidifying unit 4 is described.Humidifying unit 4 will be provided to after the outdoor air wetting that is taken into indoor.Humidifying unit 4 mainly has absorption humidifying rotor 41, rotor drive motor 42, heater 43, radial fan 44, radial fan motor 45, absorption fan 46 and absorption fan motor 47 as shown in Figure 2.
Absorption humidifying rotor 41 is to have the roughly ceramic rotor of the ojosa of circular plate shape, forms the structure that air can pass through easily.On absorption humidifying rotor 41, keeping adsorbents such as zeolite, silica gel or aluminium oxide.Thus, the moisture that comprises in the air that 41 absorption of absorption humidifying rotor are contacted breaks away from moisture by heating.Absorption humidifying rotor 41 is being driven by rotor drive motor 42 and is rotating.Heater 43 will be from the outdoor air heat that is taken into and is transported to absorption humidifying rotor 41 when humidification.Radial fan 44 is configured in the side of absorption humidifying rotor 41, is driven by radial fan motor 45.Radial fan 44 is used to form outdoor air is imported in the humidifying unit 4, and flows (A1 among Fig. 2) to the air of indoor conveying.The air stream that is formed by radial fan 44 is by from importing in the humidifying unit 4 for gas port 40a, after by absorption humidifying rotor 41, via being transported to indoor set 2 for tracheae 6.Absorption is being driven with fan motor 47 by absorption with fan 46 rotates.Absorption is used to form air with fan 46 and flows (A2 among Fig. 2), will be inhaled into air in the housing of humidifying unit 4 from suction inlet 40b, and 40c is discharged to hull outside from the gas outlet.Be adsorbed humidifying rotor 41 adsorption moistures from the suction inlet 40b inhaled air that adsorbs with air, be discharged to outdoor from gas outlet 40c then.
In addition, as shown in Figure 3, rotor drive motor 42, heater 43, radial fan motor 45 and absorption are connected with the control part of narrating later 8, according to moving from the control signal of control part 8 with fan motor 47.That is, needing under the situation of humidification, starting heater 43 utilizes heater to the air heat from being taken into for gas port 40a.Contained the moisture that breaks away from from absorption humidifying rotor 41 by the air after the heater heating, be sent to tracheae 6.
(1-3) control part 8
Below, use Fig. 3 that the control part 8 of the control of carrying out air conditioning apparatus 1 is described.
Control part 8 is the microcomputers that are made of CPU and memory, is separated to be arranged in outdoor unit of air conditioner 5 that comprises in indoor set 2, the off-premises station 3 and the electric part box that is disposed at humidifying unit 4 etc.Control part 8 is connected with each equipment of indoor set 2, outdoor unit of air conditioner 5 and humidifying unit 4, carries out the transmission and the reception of signal between control part 8 and these equipment.
Control part 8 mainly has the 8a of the portion of accepting, adjusting portion 8b, test section 8c and judging part 8d.The portion 8a of accepting accepts the request from the user that is received by acceptance division shown in Figure 1 24.Specifically, accept the 8a of portion by acceptance division 24, accept the requests such as operation mode, temperature, humidity, wind direction and air quantity that (not shown) set that use a teleswitch by the user.
Adjusting portion 8b regulates temperature, humidity, wind direction and air quantity according to the user's who is accepted by the portion 8a of accepting request.Specifically, according to the operation mode that sets, temperature, humidity, wind direction and air quantity, the target setting value.For example, be to heat under the situation of operation mode, cooling operation pattern or dehumidifying operation mode at the operation mode of accepting by the portion 8a of accepting, user's desired temperatures, humidity, wind direction and air quantity as desired value, are carried out the control of air conditioning apparatus 1.Promptly, adjusting portion 8b is according to the desired value that sets, angle, and the rotating speed of indoor fan motor 23 etc. of aperture, the air door (not shown) of frequency, the motor-driven valve 56 of the compressor 51 that outdoor unit of air conditioner 5 has is located in change, is located at also that the starting of the heater 43 of humidifying unit 4/stop to be controlled, the control of rotor drive motor 42 etc.Like this, carry out the adjusting of temperature, humidity, wind direction, air quantity, and control air conditioning apparatus 1 makes indoor environment reach temperature that the user sets etc.On the other hand, be under the situation of energy-conservation automatic operation mode at the operation mode of accepting by the portion 8a of accepting, adjusting portion 8b is set at desired value to predefined temperature, humidity, wind direction and air quantity etc., so that can guarantee energy saving and comfortableness.Desired value is respectively at the phase of heating or refrigeration phase and set, as shown in Figure 4, according to by inlet temperature sensor 25 detected room temperatures with by external air temperature sensor 59 detected external air temperatures, determine to heat which kind of running in running or the cooling operation.In addition, control part 8 has timer (not shown), when every scheduled time by timer institute instrumentation, detects external air temperature and room temperature, according to detected external air temperature and room temperature, that carries out energy-conservation automatic operation mode heats running or the resetting of cooling operation.
And in the present embodiment, in order to ensure comfortableness, adjusting portion 8b is set at target temperature value near the temperature that pmv value (the warmth sensation index of expression comfortableness) is reached 0.In addition, the value that pmv value is to use parameters such as room temperature, relative humidity, mean radiant temperature, the amount of wearing the clothes, activity and air quantity to determine, but in the present embodiment,, use a reference value to control about the parameter except that temperature and humidity.And in order to realize energy-saving operation, adjusting portion 8b proofreaies and correct the value of target temperature value-0.5 ℃ when heating and is target temperature value, the value of target temperature value+0.5 ℃ is proofreaied and correct to be target temperature value when refrigeration.
Specifically, heating when turning round under having selected energy-conservation automatic operation mode situation, can realize that according to pmv value the value of comfortableness is made as under the situation of 22.5 ℃ of room temperatures, humidity 50% at handle, in the air conditioning apparatus 1 of present embodiment, adjusting portion 8b is set at the target house temperature 22.0 ℃, the target humidity value is set at 50% respectively.On the contrary, when cooling operation, can realize that according to pmv value the value of comfortableness is 27.5 ℃ of room temperatures, humidity 50%, but in the air conditioning apparatus 1 of present embodiment, adjusting portion 8b is set at the target house temperature 28.0 ℃, the target humidity value is set at 50% respectively.After the adjusting portion 8b target setting value, to each equipment output control signal of indoor set 2, outdoor unit of air conditioner 5 and humidifying unit 4, each equipment begins the action corresponding with this desired value.
In addition, adjusting portion 8b changes above-mentioned target temperature value according to the judged result of the judging part 8d that narrates later.Concrete condition will illustrate when explanation judging part 8d together.
Test section 8c detects the value that obtains by inlet temperature sensor 25 and indoor humidity sensor 26.
Judging part 8d judges whether reach above-mentioned target temperature value and target humidity value by the detected value of test section 8c.Wherein, under the situation of having selected energy-conservation automatic operation mode, although be judged as that value by the detected inlet temperature sensor 25 of test section 8c has reached target temperature value but the value that also is judged as indoor humidity sensor 26 does not reach under the situation of target humidity value, adjusting portion 8b proofreaies and correct 1 ℃ with target temperature value.That is, target temperature value+1 ℃ is set at target temperature value (being equivalent to surpass temperature value), target temperature value-1 ℃ is set at target temperature value (being equivalent to surpass temperature value) during at cooling operation heating when running.Specifically, when heating running, be the i.e. 22.0 ℃ of corrections of the previous target temperature value of setting 23.0 ℃, when cooling operation, be the i.e. 28.0 ℃ of corrections of previous target value set 27.0 ℃.By such correction target temperature value, humidity is changed, guarantee the comfortableness of indoor environment as early as possible.
Below, use Fig. 5 A and Fig. 5 B, the correction of the target temperature value that adjusting portion 8b at this moment carries out be described and follow the correction of target humidity value and the variation of the humidity that forms.Fig. 5 A and Fig. 5 B represent to make the temperature of recommending humidity to change.DHA_C1 and DHA_C2 shown in DHA_W1 shown in Fig. 5 A and DHA_W2 and Fig. 5 B, the determinating reference humidity in the humidity zone that is illustrated respectively in when heating or recommends during refrigeration, DDH represents the humidity region difference.For example, when explanation heats running (with reference to Fig. 5 A), when the running beginning, suppose the solid line position of indoor humidity at DHA_W2.In this case, by target temperature value is proofreaied and correct 1.0 ℃, humidity rises to the solid line position of DHA_W1.And, drop to from the solid line position of DHA_W1 in humidity under the situation of solid line position of DHA_W2, make humidifying unit 4 actions carry out humidification, and temperature is risen 1.0 ℃.On the other hand, when cooling operation (with reference to Fig. 5 B), when the running beginning, suppose the solid line position of indoor humidity at DHA_C2.In this case, by target temperature value is proofreaied and correct 1.0 ℃, humidity drops to the solid line position of DHA_C1.And, rise to from the solid line position of DHA_C1 in humidity under the situation of solid line position of DHA_C2, temperature is descended 1.0 ℃.By such changing temperature, can realize the humidity of recommending.
Then, when judging part 8d judgement had reached the target humidity value by the detected humidity of test section 8c, adjusting portion 8b reverted to target temperature value and proofreaies and correct preceding target temperature value.Specifically, when heating when running under energy-conservation automatic operation mode, adjusting portion 8b is set at 22 ℃ to target temperature value from 23 ℃, when carrying out cooling operation, target temperature value is set at 28 ℃ from 27 ℃.
(handling process)
Below, use Fig. 6 illustrates the handling process the when air conditioning apparatus 1 of present embodiment carries out the control of energy-conservation automatic operation mode.At first, specify the handling process that under energy-conservation automatic operation mode, heats when turning round.
When the request that is received by the portion 8a of accepting from user's energy-conservation automatic running (step S1), the value according to by detected inlet temperature sensor 25 of test section 8c and external air temperature sensor 59 begins to heat running (step S2).At this moment, adjusting portion 8b is set at target temperature value and target humidity value to predefined temperature value and humidity value, each equipment that comprises compressor 51 grades of outdoor unit of air conditioner 5 and/or the radial fan motor 45 of humidifying unit 4 etc., move according to these desired values, heat running (humidification heats running).Then, judging part 8d judges whether the value by the detected inlet temperature sensor 25 of test section 8c reaches target temperature value (step S3).Here, when the value that is obtained by inlet temperature sensor 25 reached target temperature value, judging part 8d judged whether the value by the detected indoor humidity sensor 26 of test section 8c reaches target humidity value (step S4).Here, when the value of indoor humidity sensor 26 did not reach the target humidity value, adjusting portion 8b correction target temperature value was set at high 1 ℃ temperature (step S5).Then, be judged as value by the detected indoor humidity sensor 26 of test section 8c when reaching the target humidity value (step S6), adjusting portion 8b makes target temperature value revert to target temperature value (step S7) before proofreading and correct.
Below, specify the handling process when under energy-conservation automatic operation mode, carrying out cooling operation.
When the request that receives by the portion 8a of accepting from user's energy-conservation automatic running (step S11), according to value by detected inlet temperature sensor 25 of test section 8c and external air temperature sensor 59, beginning cooling operation (step S12).At this moment, adjusting portion 8b is set at target temperature value and target humidity value to predefined temperature value and humidity value, comprise each equipment of compressor 51 grades of outdoor unit of air conditioner 5, move, carry out cooling operation (refrigerated dehumidification running) according to these desired values.Then, judging part 8d judges whether the value by the detected inlet temperature sensor 25 of test section 8c reaches target temperature value (step S13).Here, when the value that is obtained by inlet temperature sensor 25 reached target temperature value, judging part 8d judged whether the value by the detected indoor humidity sensor 26 of test section 8c reaches target humidity value (step S14).Here, when the value of indoor humidity sensor 26 did not reach the target humidity value, adjusting portion 8b correction target temperature value was set at low 1 ℃ temperature (step S15).Then, be judged as value by the detected indoor humidity sensor 26 of test section 8c when reaching the target humidity value (step S16), adjusting portion 8b makes target temperature value revert to target temperature value (step S17) before proofreading and correct.
(feature)
(1) air conditioning apparatus 1 of present embodiment is provided with a plurality of operation modes, by selecting the energy-conservation automatic operation mode in a plurality of operation modes, automatically selected to have considered the temperature, humidity, air quantity, wind direction of energy saving and comfortableness etc., can after the running beginning, realize the indoor environment pleasant as early as possible the user.And the time that indoor humidity reaches the target humidity value need reach the longer time of target temperature value than temperature, and in light of this situation, the air conditioning apparatus 1 correction target temperature value of present embodiment reaches the target humidity value up to humidity.Therefore, the user can feel indoor comfort as early as possible.And, consider energy-conservation, after indoor humidity reaches the target humidity value, the target temperature value before target temperature value being reverted to proofread and correct.Therefore, can satisfy comfortableness and energy saving both sides' control.
In addition, in the air conditioning apparatus 1 of present embodiment, carry out following control in order to obtain energy-saving effect, at cooling operation and heat when running, being not pmv value that 0 room temperature is made as target temperature value, when cooling operation, is pmv value that 0 room temperature adds that the value after 0.5 ℃ is made as target temperature value, heating when running, is pmv value that the value that 0 room temperature deducts after 0.5 ℃ is made as target temperature value.Therefore, reach in humidity under the situation of humidity of expection and revert to the value of setting as target temperature value as early as possible, this is an optimal way for seeking energy saving and comfortableness.
(2) 1 of the air conditioning apparatus of present embodiment need the user use a teleswitch (not shown) select above-mentioned energy-conservation automatic operation mode, can carry out the running of having considered comfortableness and energy saving.
(variation)
(1) in the present embodiment, off-premises station 3 is provided with outdoor unit of air conditioner 5 and humidifying unit 4, replaces humidifying unit 4 but also can use to gas/humidifying unit.Use to give under the situation of gas/humidifying unit, carrying out not indoor change and will after the outdoor air wetting that is taken into, supplying to indoor humidification running to fate to promptly supplying to from the outdoor air wetting that is taken into.In this case, when not following the changeing to fate of humidification, heater 43 stops, and is transported to tracheae 6 by former state from the air of being taken into for gas port 40a.In this case, also can obtain the effect identical with the air conditioning apparatus 1 of present embodiment.
(2) in the present embodiment, when having selected energy-conservation automatic operation mode, according to the value that obtains by inlet temperature sensor 25 and external air temperature sensor 59, judge to heat running or cooling operation, but also can only decide according to the value that obtains by inlet temperature sensor 25 or external air temperature sensor 59.
(3) in the present embodiment, following situation has been shown in the handling process of energy-conservation automatic operation mode, promptly, when after step S3 and step S13 judge whether indoor temperature reaches target temperature value, judge at step S4 and step S14 whether indoor humidity reaches the target humidity value, although indoor temperature has reached target temperature value, but indoor humidity does not also reach the situation of target humidity value, be set at indoor temperature than humidity not in the air conditioning apparatus 1 in labile room, the order that also can change step S3 and step S13 and step S4 and step S14.Promptly, judge at step S3 and step S13 whether indoor humidity reaches the target humidity value, be judged as under the situation about having reached, judge at step S4 and step S14 whether indoor temperature reaches target temperature value, do not reach in indoor temperature under the situation of target temperature value, in step S5 and step S15 change humidity, form the indoor environment that realizes comfortableness thus.
In addition, about being set at the not air conditioning apparatus 1 in labile room of temperature, also can guarantee comfortableness by air-flows such as control wind direction and/or air quantity.
(4) under the energy-conservation automatic operation mode of present embodiment, as the value that can realize comfortableness, determine temperature and humidity according to pmv value in advance, but also can determine to realize the value of comfortableness according to other values.For example, can come the target setting value according to the value of SET (standard effective temperature (SET)) etc.
(5) in the present embodiment, humidity and the target humidity value that is obtained by indoor humidity sensor 26 compared, but when when refrigeration or dehumidifying, also can use, replace the humidity that obtains by indoor humidity sensor 26 by the estimated humidity of estimation portion of estimating indoor humidity.Specifically, as TOHKEMY 2003-139371 number record, do not have in the air conditioning apparatus of indoor humidity sensor, use the sensor of the temperature that detects indoor heat converter to detect the temperature of indoor heat converter, and use the temperature of detected indoor heat converter to estimate indoor humidity.Thus, do not have at air conditioning apparatus 1 under the situation of indoor humidity sensor 26, can carry out the control of air conditioning apparatus of the present invention yet, can realize having considered the comfortable air conditioner surroundings of humidity.
(6) indoor set 2 of present embodiment can also have radiation sensor.In this case, utilize radiation sensor to detect shell temperature, the influence that can consider radiation temperature, user's activity, the amount of wearing the clothes etc. thus comes temperature, humidity and the air-flow in the control room, can realize more comfortable indoor environment.
(7) in the present embodiment, use relative humidity to carry out the control of air conditioning apparatus 1, but also can use absolute humidity to control.
(8) in the present embodiment, under the situation of having selected the energy-saving operation pattern, use predefined target temperature value and target humidity value, but also can estimate radiation temperature, consider that it influences temperature, humidity and air-flow in the control room according to external air temperature.
(9) indoor set 2 of present embodiment can also have the function of the room form of setting (settings of the quantity of the thermal insulation in room, window areas, door etc.).In this case, estimate radiation temperature, consider that it influences temperature, humidity and air-flow in the control room, can realize more comfortable indoor environment according to room form and external air temperature.
(10) in the present embodiment, used the air conditioning apparatus that can regulate the room temperature, do not had the air conditioning apparatus of regulating the humidity function, the mode of coming Tc according to detected humidity but also can be to use with humidity.
Utilizability on the industry
The present invention is for can be as early as possible feeling very useful based on the air conditioning apparatus of temperature and humidity both sides' comfortableness at health.

Claims (6)

1. an air conditioning apparatus (1), it carries out energy-saving operation by automatic control, and this air conditioning apparatus has:
Judging part (8c), it judges whether indoor temperature and indoor humidity reach target temperature value and the target humidity value as the desired value that is intended to realize comfortableness respectively; And
Adjusting portion (8d), it carries out according to the relation between described indoor humidity and the described target humidity value, near the 1st adjusting of described target temperature value described target temperature value being regulated is handled, and/or, carry out according to the relation between described indoor temperature and the described target temperature value, near the 2nd adjusting of described target humidity value described target humidity value being regulated is handled.
2. air conditioning apparatus according to claim 1, wherein,
Either party in described indoor temperature and described indoor humidity reaches described target temperature value or described target humidity value and the opposing party and does not reach under the situation of described target temperature value or described target humidity value, and the side that described adjusting portion will reach desired value temporarily is set at the desired value that surpasses and promptly surpasses desired value.
3. air conditioning apparatus according to claim 2, wherein,
Do not reach under the situation of described target humidity value in indoor humidity described in described the 1st adjusting processing, described adjusting portion promptly surpasses temperature value with the described desired value that surpasses that described target temperature value is set at described target temperature value, when described indoor humidity reaches described target humidity value, make described target temperature value revert to described target temperature value then from the described temperature value that surpasses.
4. according to each described air conditioning apparatus in the claim 1~3, wherein,
Described energy-saving operation has a plurality of operation modes,
Described target humidity value and described target temperature value determine according to described operation mode.
5. according to each described air conditioning apparatus in the claim 1~4, wherein,
Described air conditioning apparatus also has the indoor humidity detecting unit (26) that detects described indoor humidity.
6. according to each described air conditioning apparatus in the claim 1~4, wherein,
Described air conditioning apparatus also has the temperature detecting unit of temperature of compressor, outdoor heat converter, indoor heat converter, the described indoor heat converter of detection and the estimation portion that estimates described indoor humidity,
At described operation mode is that described estimation portion is according to estimating described indoor humidity by the temperature of the described indoor heat converter that described temperature detecting unit detected under the situation of cooling operation pattern or dehumidifying operation mode.
CN2008801180998A 2007-11-28 2008-11-21 Air conditioning apparatus Expired - Fee Related CN101878398B (en)

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JP4479783B2 (en) 2010-06-09

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