WO2018078782A1 - Dispositif d'humidification - Google Patents

Dispositif d'humidification Download PDF

Info

Publication number
WO2018078782A1
WO2018078782A1 PCT/JP2016/081959 JP2016081959W WO2018078782A1 WO 2018078782 A1 WO2018078782 A1 WO 2018078782A1 JP 2016081959 W JP2016081959 W JP 2016081959W WO 2018078782 A1 WO2018078782 A1 WO 2018078782A1
Authority
WO
WIPO (PCT)
Prior art keywords
humidification
air
retention rate
water retention
mode
Prior art date
Application number
PCT/JP2016/081959
Other languages
English (en)
Japanese (ja)
Inventor
文夫 齋藤
正史 芦野
勝 高田
俊明 河合
真海 安田
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2016/081959 priority Critical patent/WO2018078782A1/fr
Priority to JP2018547016A priority patent/JP6847122B2/ja
Publication of WO2018078782A1 publication Critical patent/WO2018078782A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements

Definitions

  • the present invention relates to a humidifier for preventing indoor drying.
  • Patent Document 1 discloses a humidifier that can increase humidification efficiency.
  • the pump is driven during the humidifying operation, and the pump is stopped after moisture reaches the humidifying element.
  • the time when moisture adhering to the humidifying element evaporates or flows downward, the surface area of the humidifying element contributing to moisture evaporation increases and the amount of humidification increases is determined in advance, and the pump is restarted after this time elapses Like to do.
  • the humidification efficiency is improved by driving the pump intermittently during the humidification operation.
  • the humidification amount from the humidifying element greatly depends on the temperature and humidity of the air passing through the humidifying element and the air volume, if an intermittent cycle is set without considering these as in Patent Document 1, wasteful water supply is performed.
  • the chalk component may be precipitated to generate white powder, or the life of the humidifying element may be shortened.
  • the present invention has been made in view of the above, and an object of the present invention is to obtain a humidifier that prevents excessive humidification in a room and maximizes the water-saving effect without deteriorating the life of the humidifying element.
  • the present invention provides a main body in which an air air passage for communicating the suction port and the air outlet is formed, and an air air passage provided in the air air passage, A blowing means for generating an air flow from the mouth to the outlet, a humidifying element provided in the air air passage, a water supplying means for supplying water to the humidifying element, an operation in a humidifying mode in which water is supplied to the humidifying element, A control unit that switches between operation in a blowing mode in which water supply to the humidifying element is stopped and the blowing unit is activated, and the control unit is a room humidity that is indoor humidity supplied with air blown from the outlet A humidifier that sets an operation time in a humidification mode based on humidity.
  • the humidifier according to the present invention has the effect of preventing excessive humidification in the room and maximizing the water-saving effect without reducing the life of the humidifying element.
  • FIG. 1 The figure which shows the table which determines the humidification mode target water retention rate used in the humidification apparatus concerning Embodiment 3.
  • FIG. 1 The flowchart which shows an example of control operation by the control part of the humidification apparatus concerning Embodiment 4.
  • FIG. 1 is a diagram showing a schematic configuration of a humidifier according to Embodiment 1 of the present invention.
  • the humidifier 100 includes a main body 6 in which an air passage 3 in which an inlet 1 and an outlet 2 are communicated is formed.
  • the air passage 3 is provided with a sirocco fan 4 that is a blowing means.
  • the sirocco fan 4 generates an air flow from the inlet 1 toward the outlet 2 in the air passage 3 during operation.
  • the air path 3 is provided with an air purification filter 21, a humidity sensor 22, a temperature sensor 23, and a water tank 7 in order from the suction port 1 side.
  • the main body 6 is provided with water supply means 11 for supplying water to the water tank 7.
  • the water supply means 11 has a water supply connection port 8 formed in the main body 6, a pipe 5 extending from the water supply connection port 8 toward the water supply tank 7, and a water supply valve 9 for opening and closing the pipe 5. By opening the water supply valve 9, water is supplied to the water supply tank 7 from the water supply port 10 which is one end of the pipe 5.
  • a humidifying element 17 for humidifying the air passing through the air passage 3 is provided in the air passage 3 below the water supply tank 7.
  • a plurality of holes (not shown) for dispersing the water supplied by the water supply means 11 to the humidifying element 17 are formed on the bottom surface of the water supply tank 7.
  • the water supplied from the water supply tank 7 permeates and diffuses into the humidifying element 17.
  • the air passing through the air passage 3 is humidified by the water vaporized by the humidifying element 17.
  • the water that has not been retained by the humidifying element 17 flows into the drainage tank 12 provided below the humidifying element 17.
  • a drain port 14 is formed on the bottom surface of the drain tank 12. The drainage port 14 is connected to the drainage connection port 13 provided in the main body 6 to constitute the drainage means 15.
  • the main body 6 is provided with operation means 20.
  • the operation of the humidifying device 100 can be selected by operating the operation means 20. Further, the operation of the operation unit 20 can be performed to select whether the air volume is strong or weak.
  • the main body 6 is provided with a control device 25.
  • the control device 25 is provided with a control unit 19 and a storage unit 16.
  • the control unit 19 controls the operation of the sirocco fan 4 and the water supply valve 9 based on the operation from the operation means 20 and the information from the humidity sensor 22 and the temperature sensor 23.
  • the storage unit 16 stores various information described below.
  • the sirocco fan 4 may be provided on the upstream side of the humidifying element 17 or may be provided on the downstream side of the humidifying element 17. Further, it may be provided outside the main body 6 and connected to the duct. Also, when provided outside the main body 6, it may be provided upstream from the main body 6 or may be provided downstream from the main body 6.
  • the humidity sensor 22 which is an indoor humidity detection means may be provided outside the main body 6 as long as it detects the humidity in the room to which the air blown from the humidifying device 100 is supplied. It may be provided other than. For example, you may install in the humidification object space. Further, the operation unit 20 may be provided so that the operation unit 20 acquires the detected humidity. Further, an external device other than the humidifying device 100 and the operation means 20 may function as a humidity sensor.
  • a humidity sensor may be installed in the exhaust air passage connecting the indoor suction port and the total heat exchanger.
  • a humidity sensor may be installed in the exhaust air passage that connects the indoor suction port and the outdoor discharge port.
  • the operation means 20 may be an operation switch provided in the main body 6 instead of the remote controller as shown in FIG.
  • the temperature sensor 23 only needs to be able to detect the temperature of the air before passing through the humidifying element 17. Therefore, the temperature sensor 23 may be provided outside the main body 6 or may be provided other than the air passage 3.
  • a temperature sensor may be installed in the humidification target space. Further, a temperature sensor may be provided in the operation means 20. Further, the control unit 19 may perform temperature correction in consideration of the difference between the indoor temperature and the ceiling temperature.
  • An external device other than the humidifier 100 and the operation means 20 may function as a temperature sensor.
  • a temperature sensor installed in an exhaust air passage that communicates the indoor suction port and the total heat exchanger, and an air supply that communicates the outdoor suction port and the total heat exchanger. You may make it calculate the temperature of the air before passing through the humidification element 17 from the temperature sensor installed in the air wind path, and the heat exchange efficiency of a total heat exchanger. Further, an external device other than the humidifying device 100 and the operation means 20 may function as a temperature sensor.
  • a temperature sensor may be installed in the air supply air passage that communicates the outdoor suction port and the total heat exchanger, or may be installed outside the room. Further, an external device other than the humidifying device 100 and the operation means 20 may function as a temperature sensor.
  • FIG. 2 is a diagram showing a temporal transition of the humidification amount from the humidifying device 100 according to the first embodiment and the water retention rate of the humidifying element 17.
  • the humidifier 100 when the humidifier 100 is operated with the selected air volume “weak”, it is assumed that the air volume is half that of the selected air volume “strong”.
  • the graph of FIG. 2A represents the transition of the water retention rate of the humidifying element 17 after the stop of water supply when the selected air volume is “strong”, and the graph of FIG. 2B is the graph when the selected air volume is “strong”.
  • the transition of the humidification amount from the humidifier 100 after the water supply stop is shown.
  • the graph of FIG.2 (c) represents transition of the water retention rate of the humidification element 17 after the water supply stop when the selected airflow is "weak”
  • the graph of FIG.2 (d) shows the water supply when the selected airflow is "weak”.
  • the change of the humidification amount from the humidification apparatus 100 after a stop is represented.
  • the time on the horizontal axis is 0 when the sirocco fan 4 starts rotating after the water supply is stopped.
  • the transition of the water retention rate of the humidifying element 17 and the humidifying amount from the humidifying device 100 when the selected air volume is “strong”, that is, in the case of FIGS. 2A and 2B will be described.
  • the moisture retention rate of the humidifying element 17 is 100%
  • the humidification amount from the humidifying device 100 is 100%, which is the maximum.
  • the humidification amount is 100% when the sirocco fan 4 is operated in a state where the entire surface of the humidification element 17 is wet and the selected air volume is “strong”.
  • the humidified area of the humidifying element 17 starts to decrease, and the amount of humidification from the humidifying device 100 decreases.
  • the humidification amount from the humidifying device 100 decreases, the decrease in the water retention rate of the humidifying element 17 is slowed down.
  • the water retention rate finally becomes 0%, and the humidifying element 17 is completely dried. This is a time of 3.0 [hr] from the stop of water supply in the graph.
  • the humidification amount from the humidifier 100 is halved as compared with the case where the selected air volume is “strong”, the reduction rate of the water retention rate of the humidification element 17 is also halved. As a result, the time during which the entire surface of the humidifying element 17 is wet is also about twice.
  • the humidified area of the humidifying element 17 starts to decrease, and the amount of humidification from the humidifying device 100 decreases.
  • the humidification amount from the humidifying device 100 decreases, the decrease in the water retention rate of the humidifying element 17 is slowed down.
  • FIGS. 3 to 8 are flowcharts illustrating an example of a control operation performed by the control unit 19 of the humidifier 100 according to the first embodiment.
  • the operation and stop operation of the humidifier 100 performed by the user via the operation unit 20 is performed by directly operating a not-shown operation / stop button provided in the operation unit 20 and the operation unit 20. In some cases, the schedule function is automatically performed.
  • next operation / stop schedule information in the schedule function provided in the operation means 20 is periodically transmitted to the control unit 19 of the humidifier 100.
  • steps shown in the following drawings show the judgment and control performed by the control unit 19.
  • Various information including the operation / stop schedule information is stored in the storage unit 16.
  • the storage unit 16 may be provided in the operation unit 20.
  • step S1 After turning on the power to the humidifier 100, initialization is performed to set the “drying timer” to “drying completion time” in step S1 shown in FIG. 3, and the process proceeds to step S2.
  • “drying completion time” is set to “3.0 hr”. That is, in step S1, the count value of the “drying timer” is set to “3.0 hr” which is the “drying completion time”.
  • drying timer when the “drying timer” is equal to or longer than the “drying completion time”, it is determined that the humidifying element 17 is completely dried. In addition, when the “drying timer” is less than the “drying completion time”, it is determined that the whole or a part of the humidifying element 17 is wet, and the “drying timer” is less than “2.0 hr”. If it is determined that the entire surface of the humidifying element 17 is wet, and if the “drying timer” is “2.0 hr” or more, a part of the humidifying element 17 is wetted. Will be judged.
  • the “drying completion time” set as the initial value of the “drying timer” is a value determined in advance, but may be changed by the operation means 20, and according to the operation time of the humidifying device 100. The correction may be made in consideration of the aging deterioration.
  • step S2 the "humidification mode operation timer” and the “air blowing mode operation timer” are cleared to stop, that is, the count is stopped at 0, and then the process proceeds to step S11 shown in FIG.
  • step S11 it is determined whether the count value of the “drying timer” is “3.0 hr” or more. If the “drying timer” is equal to or greater than “3.0 hr” (step S11, Yes), the process proceeds to step S12. If it is immediately after the power is turned on, the count value of the “drying timer” is set to “3.0 hr” in step S1, and therefore becomes “3.0 hr” or more, and the process proceeds to step S12.
  • step S12 the stop mode is set, and in step S13, the water supply valve 9 is closed, the sirocco fan 4 is stopped, and the process proceeds to step S18.
  • a control mode in which the water supply valve 9 is closed and the sirocco fan 4 is stopped is referred to as a stop mode
  • a control mode in which the water supply valve 9 is closed and the sirocco fan 4 is rotated is referred to as a blow mode
  • the water supply valve 9 is opened.
  • the control mode is referred to as a humidification mode.
  • step S11 if the “drying timer” is less than “3.0 hr” (No in step S11), the process proceeds to step S14.
  • step S14 the air blowing mode is set, and then in step S15, the water supply valve 9 is closed and the sirocco fan 4 is rotated.
  • step S16 the “drying timer” is counted, and the process proceeds to step S17.
  • step S17 the current water retention rate, which is the current water retention rate of the humidifying element 17, is calculated and updated as follows from the characteristics of the humidifying element 17 in FIG. 2 and the value of the “drying timer”, and the process proceeds to step S18. That is, the control unit 19 functions as a water retention rate estimation unit that estimates the water retention rate of the humidifying element 17.
  • the drying timer is less than 2.0 hr, that is, when the entire surface of the humidifying element 17 is wet
  • Current water retention rate 100%-40% x drying timer [hr]
  • step S16 the “drying timer” changes the counting method according to the selected air volume. Specifically, when the selected air volume is “strong”, 1 second is counted for every 1 second. Further, when the selected air volume is “weak”, the air volume is halved and the drying speed is also halved as compared with the case where the selected air volume is “strong”. Therefore, every second, 1 second is counted. That is, in the humidifying element 17 in the first embodiment, when the selected air volume is “strong” and the air volume is constant, “3.0 hr” has elapsed and the “drying timer” counts “3.0 hr”.
  • drying timer When the selected air volume is “weak” and the air volume is constant, “6.0 hr” has elapsed and “dry timer” counts “3.0 hr”.
  • the “drying timer” may be configured by software by the control device 25, or may be configured as hardware separate from the control device 25.
  • step S18 it is determined by the operation means 20 whether the user has operated the humidifier 100.
  • the process returns to Step S11.
  • step S18, Yes the process proceeds to step S21 shown in FIG.
  • step S14 progressing to step S14 means that the drying operation is not completed when the humidifier 100 is operated. Unless it is determined in step S18 that the humidifying apparatus 100 has been operated, the process returns to step S11 so that the “drying timer” is “drying completion time” when the humidifying apparatus 100 is stopped, that is, “3. The humidifying element 17 is completely dried by continuing the operation in the air blowing mode until “0 hr”.
  • step S21 the control mode of the humidifying apparatus 100 is set to the air blowing mode.
  • step S22 the “air blowing mode operation time” is set to “5 minutes”, and the process proceeds to step S31 shown in FIG.
  • step S31 it is determined whether the control mode is the humidification mode or the blower mode. If the control mode is the air blowing mode, the process proceeds to step S41 shown in FIG. 7, and if the control mode is the humidifying mode, the process proceeds to step S61 shown in FIG.
  • the operation from step S41 to step S52 shown in FIG. 7 is an operation in the air blowing mode, and the operation from step S61 to step S70 shown in FIG. 8 is an operation in the humidifying mode.
  • step S41 the “air blowing mode operation timer” is counted, and the process proceeds to step S42.
  • step S42 it is determined whether the “air blowing mode operation timer” is equal to or longer than the above-described step S22 or “air blowing mode operation time” set in step S70 described later.
  • the process proceeds to step S43.
  • the “air blowing mode operation timer” is less than the “air blowing mode operation time” (No in step S42)
  • the process proceeds to step S44.
  • step S42 is that the detection value of the humidity sensor 22 is The purpose is to wait for a certain period of time until stabilization, and the time is adjusted according to the installation environment of the humidifying device 100.
  • the fixed time is set to 5 minutes. However, it may be changed as appropriate, and there may be no waiting time, that is, the fixed time may be set to 0.
  • a certain time may have already passed. Also in this case, the process immediately proceeds to step S43.
  • Step S70 described later since the time during which the entire surface of the humidifying element 17 is kept wet is set as the “air blowing mode operation time”, the “air blowing mode operation timer” is less than the “air blowing mode operation time”. In the case of (No in step S42), even if step S43 is not performed, that is, when “detected humidity ⁇ target humidity ⁇ 5%”, the process proceeds to step S44 without shifting to the humidification mode. In other words, useless water supply is not performed.
  • step S43 it is determined whether the humidity detected by the humidity sensor 22 is less than “target humidity—5%” which is the first specified humidity. If the detected humidity is “target humidity ⁇ 5%” or more (step S43, No), the process proceeds to step S44. On the other hand, if the detected humidity is less than “target humidity ⁇ 5%” (step S43, Yes), the process proceeds to step S49.
  • the first specified humidity “target humidity ⁇ 5%” is set to a lower humidity than the second specified humidity “target humidity + 5%” to be described later. This is to suppress the occurrence of so-called chattering in which the control mode frequently switches between the humidification mode and the air blowing mode. Therefore, if the occurrence of chattering can be suppressed, the magnitude relationship between the second specified humidity and the first specified humidity is not questioned.
  • the target humidity is set in advance by the operation means 20 by the user.
  • step S44 the water supply valve 9 is closed while the sirocco fan 4 is rotated, and the process proceeds to step S45.
  • the water supply valve 9 is closed in this step S44, and the water supply from the water supply port 10 to the water supply tank 7 stops. That is, the water supply to the humidifying element 17 stops.
  • step S45 the “drying timer” starts counting, and the process proceeds to step S46. Note that the counting of the “drying timer” in step S45 is changed according to the selected air volume, as in step S16.
  • step S46 the “current water retention rate” of the humidifying element 17 is updated from the value of the “drying timer” in the same manner as in step S17, and the process proceeds to step S47.
  • step S47 the “detected humidity change rate” of “15 minutes” in the first embodiment is updated in a state where the drying timer is less than 2.0 hr, that is, the entire surface of the humidifying element 17 is wet.
  • the process proceeds to step S48.
  • step S47 the calculation of “detected humidity change rate” in step S47 is compared with the detected humidity 15 minutes before, but the case where the humidification operation is performed immediately after the power is turned on or the operation state 15 minutes before is “stop mode”. In this case, or when the drying timer 15 minutes ago is 2.0 hours or more, the comparison process is not performed and the “detected humidity change rate” is set to “4%”.
  • the lower limit value is set for the “humidification mode target water retention rate”, in other words, the shortest time “15 minutes” is set for the “full-humidity operation time” Will be.
  • the “detected humidity change rate” is determined after supplying the minimum required amount of water, and the next humidification mode.
  • step S48 it is determined by the operation means 20 whether or not the user has stopped the humidifying device 100.
  • the process proceeds to step S11.
  • the process returns to Step S31.
  • step S49 the control mode is changed to “humidification mode”, and the process proceeds to step S50.
  • step S50 the “air blowing mode operation timer” is cleared, that is, the count is stopped at 0, and then the process proceeds to step S51.
  • FIG. 9 is a diagram illustrating a table for determining the humidification mode target water retention rate used in the humidifying apparatus 100 according to the first embodiment.
  • step S51 the “humidification mode target water retention ratio” is set according to the table of FIG. 9, and the process proceeds to step S52.
  • the “humidification mode target water retention rate” is updated in step S47, which will be described later, and the “humidification mode target water retention rate” is “water detection rate change rate” in a state where the moisture retention rate is 20% or more, that is, the entire surface of the humidification element 17 is wet. Is determined based on
  • the “humidification mode target water retention rate” in FIG. 9 will be described.
  • the air blowing mode operation time in a state where the entire surface of the humidifying element 17 is wet becomes long, the room may become excessively humidified. Therefore, the “humidification mode target water retention rate” Is kept as small as possible.
  • the air blowing mode operation time in a state where the entire surface of the humidifying element 17 is wet is referred to as “full surface wet operation time”.
  • the “humidification mode target water retention ratio” is set low as 30%, Since the “whole operation time” after reaching the “water retention rate” is 15 minutes, it is possible to prevent excessive humidification.
  • the “humidification mode target water retention ratio” is set to 100%, the “whole operation time” after reaching the “humidification mode target water retention ratio” is 120 minutes. There is a risk.
  • the “humidification mode target water retention rate” is relatively high because the possibility of over-humidification is low even when the “overall wet operation time” is prolonged.
  • the “humidification mode target water retention rate” can be set by setting the “humidification mode target water retention rate” to 60%. Since the “overall wet operation time” after reaching is 60 minutes, it is not necessary to supply water for a relatively long period of time, and the water-saving effect is enhanced.
  • the “detection humidity change rate” when the “detection humidity change rate” is low, there is the following concern when the “humidification mode target water retention rate” is set to 100% as in the prior art.
  • the “whole operation time” is 120 minutes when the selected air volume is “strong” and 240 minutes when the selected air volume is “weak”.
  • the humidifying device 100 when there is a factor that affects the indoor humidity, the possibility of falling into an overhumidified situation increases.
  • an upper limit is set for the “humidification mode target water retention rate”, in other words, an upper limit is set for the “whole operation time for the entire surface”. It is low.
  • a lower “humidified target water retention rate” is set, in other words, shorter.
  • “full wet operation time” there are the following concerns. For example, when ON / OFF of the water supply valve 9 constituting the water supply means 11 is realized by relay control mounted on the control device 25, the relay ON / OFF can be set by setting a shorter “whole operation time”. It occurs frequently and may reduce the life of the relay.
  • the “humidification mode target water retention rate” is determined based on the instantaneous humidity change, and there is a possibility that the optimum value cannot be set.
  • a lower limit is provided for the “humidification mode target water retention rate”, in other words, a lower limit is provided for the “whole operation time for the entire surface”. It becomes possible to prevent the lifetime reduction of the control apparatus 25 which controls components and the water supply means 11. FIG.
  • an optimum value can be set for the “humidification mode target water retention rate” even when an instantaneous humidity change occurs.
  • this calculation formula is based on the property that the water retention rate of the humidifying element 17 in the first embodiment is increased by 10% every 1 minute of operation (1 minute of water supply) in the humidification mode. It is a determined value.
  • the calculation method may be determined based on the nature of the humidifying element to be mounted.
  • step S61 the “humidification mode operation timer” is counted, and the process proceeds to step S62.
  • step S62 it is determined whether the “humidification mode operation timer” has reached the “humidification mode operation time” set in step S52 described above.
  • step S62 determines whether the “humidification mode operation timer” has reached the “humidification mode operation time” set in step S52 described above.
  • step S62 determines whether the “humidification mode operation timer” has reached the “humidification mode operation time” set in step S52 described above.
  • step S63 it is determined whether the humidity detected by the humidity sensor 22 is “target humidity + 5%” or more. If the detected humidity is less than “target humidity + 5%” (No in step S63), the process proceeds to step S64. If the detected humidity is “target humidity + 5%” or more (step S63, Yes), the process proceeds to step S68.
  • step S64 the water supply valve 9 is opened while the sirocco fan 4 is rotating. Thereby, water is supplied from the water supply port 10 to the water supply tank 7. Then, water is supplied to the humidifying element 17 through the water supply tank 7.
  • the sirocco fan 4 rotates after the water is supplied to the humidifying element 17, the air sucked from the suction port 1 passes through the humidifying element 17 in the air passage 3, flows to the blower outlet 2, and is blown into the room.
  • step S64 the water supply valve 9 is opened while the sirocco fan 4 is rotated, but the sirocco fan 4 may be stopped. By stopping the sirocco fan 4, it becomes possible to reliably permeate water throughout the humidifying element 17 without being affected by the blowing.
  • the humidifying device 100 tap water containing chlorine is directly supplied from the water supply means 11 to the humidifying element 17 so that mold and bacteria are unlikely to occur on the humidifying element 17. It has become. It is assumed that the volume of the water tank 7 and the density of the holes formed in the bottom surface of the water tank 7 are designed not to overflow from the water tank 7. In addition, if the bottom surface of the water supply tank 7 is clogged and overflows, leakage of water to the outside of the machine can be prevented by adopting a structure that receives the overflowed water in the drain tank 12.
  • the remaining water of the humidified supply water that has not been retained by the humidifying element 17 flows to the drainage tank 12.
  • the remaining water is drained from a drain port 14 formed in the bottom surface of the drain tank 12 through a drain connection port 13 provided in the main body 6.
  • the humidifying device 100 according to the first embodiment since the residual water that has not been retained by the humidifying element 17 is not circulated to the humidifying element 17, mold and It is difficult for problems such as germs to propagate. In addition, since the residual water is not reused, the chalk component is not concentrated.
  • step S65 every time the “humidification mode operation timer” increases by 6 seconds, the “current water retention rate” is updated by 1%, and then the process proceeds to step S66.
  • the water retention rate of the humidifying element 17 in the first embodiment is increased by 10% every 1 minute of operation in the humidification mode (1 minute of water supply), that is, 6 seconds of operation in the humidification mode (although it is determined by the property that it increases by 1% every 6 seconds of water supply), the update process may be determined based on the property of the humidifying element to be mounted.
  • step S66 based on the “current water retention rate” determined in step S65, the “drying timer” is updated as follows, and the process proceeds to step S67.
  • the air blowing mode is used.
  • the current water retention rate is less than 20%, it is a value determined by the property that it decreases by 1% every 3.0 minutes of operation in the air blowing mode.
  • a calculation formula should just be determined based on the property of the humidification element to mount.
  • step S67 it is determined by the operation means 20 whether the user has stopped the humidifier 100.
  • step S67, Yes the process returns to step S11.
  • step S11 the operation of stopping the humidifier 100 has not been performed.
  • step S68 when the “humidification mode operation timer” is equal to or greater than the “humidification mode operation time” (step S62, Yes), or when the detected humidity is equal to or greater than “target humidity + 5%” (step S63, Yes).
  • step S68 after the control mode is changed to the air blowing mode, the process proceeds to step S69.
  • step S69 the “humidification mode operation timer” is set to a clear stop (that is, the count is stopped at 0), and then the process proceeds to step S70.
  • step S70 based on the “current water retention ratio” determined in step S65, the “air blowing mode operation time” is set as follows, and the process returns to step S31.
  • Air blow mode operation time [minutes] 0 [minutes] age
  • Air blow mode operation time [minutes] (Current water retention rate-20%) ⁇ 1.5 [minutes]
  • operation in ventilation mode is 1.5.
  • the calculation formula may be determined based on the property of the humidifying element to be mounted.
  • the humidifying apparatus 100 determines the “humidification mode target water retention rate” in step S51 based on the “detected humidity change rate” determined in step S47 and the selected air volume. . For this reason, when the “detection humidity change rate” is high, the “humidification mode target water retention rate” is kept as small as possible, in other words, the “overall moist operation time” is shortened as much as possible. Can be prevented.
  • the “humidification mode target water retention rate” is set relatively high, in other words, the “whole operation time” is set relatively long, thereby delaying the water supply timing, The water saving effect can be enhanced.
  • the “humidification mode target water retention ratio” is set according to the selected air volume, wastewater is supplied or, conversely, when a part of the humidification element 17 is dried, the chalk component is precipitated and white powder is formed. It is possible to prevent problems that occur or the life of the humidifying element 17 decreases.
  • an upper limit is set for the “humidification mode target water retention rate”, in other words, an upper limit is set for the “whole operation time for the entire surface”.
  • the humidifier when there is a factor that affects indoor humidity, the possibility of falling into an overhumidified situation is suppressed. Specifically, it is introduced when the operation of other humidifiers is started during the “full wet operation time” period, when exhalation or sweating increases as the number of people in the room increases, or by ventilation. Even when the outside air changes to high humidity due to rain or the like, the “overall wet operation time” is set to 60 minutes or less, so the possibility of excessive humidification can be suppressed.
  • the “humidification mode target water retention rate” of the conventional technology is set to 100% for the drying operation time performed when the humidification device 100 is stopped. Compared with the case where it is set, it is possible to reduce it to half or less, and it is possible to greatly reduce power consumption.
  • step S51 as shown in FIG. 9, a lower limit is provided for the “humidification mode target water retention rate”, in other words, a lower limit is provided for the “whole operation time for the entire surface”. It is possible to prevent the life of the control device 25 that controls the water supply means 11 from being reduced. Further, since it is not necessary to extremely shorten the calculation cycle of the “detected humidity change rate”, an optimum value can be set for the “humidification mode target water retention rate” even when an instantaneous humidity change occurs.
  • step S11 when the “drying timer” is less than the “drying completion time”, the operation in the air blowing mode is enabled by steps S14 to S16, and thus the drying operation is performed at the stop time of the humidifier 100. Even when the humidification device 100 is not completed, the humidification element 17 can be surely completely dried while the humidification device 100 is stopped, and the growth of mold and bacteria and the generation of odor can be suppressed.
  • FIG. 10 is a diagram illustrating another example of the table for determining the humidification mode target water retention rate used in the humidification apparatus according to the first embodiment.
  • the “drying timer” counting method is changed in steps S16, S45, and S66 in consideration of the variation in the humidification amount due to the selected air volume shown in FIG. It was.
  • the humidification amount also varies depending on the “difference between dry bulb humidity and wet bulb humidity” of the air passing through the humidification element 17. Therefore, the counting method of “dry timer” may be changed according to “difference between dry bulb humidity and wet bulb humidity”, and the “humidification mode target water retention ratio” set in step S51 is a table shown in FIG. You may set according to.
  • the selected air volume is “strong” and the “difference between dry bulb humidity and wet bulb humidity” at which the humidification amount is 100% is “10 ° C.”
  • the selected air volume is “strong” and “
  • the humidification amount is 50%. Therefore, the count of the “dry timer” is counted as 1 second every 2 seconds, and the process proceeds to step S51.
  • the wet bulb temperature may be provided separately, or may be calculated from the dry bulb temperature detected by the temperature sensor 23 and the relative humidity detected by the humidity sensor 22.
  • step S43 various temperature sensors and humidity sensors for measuring or calculating the dry bulb temperature and the wet bulb temperature are preferably arranged immediately before the humidifying element 17.
  • the “indoor humidity” detection sensor used in the determinations in step S43, step S47, and step S63 is provided separately from the various sensors for measuring or calculating the dry bulb temperature and the wet bulb temperature. May be.
  • the characteristics of the humidifying element 17 shown in FIG. 2 may change due to aging, in each step of the control flow shown in FIGS. 3 to 8 according to the operation time of the humidifying device 100 or the like.
  • the specified value may be corrected. For example, the correction of the drying completion time “3.0 hr” in step S11, the correction of the calculation formula of “current water retention ratio” in step S17 and the like, the water retention ratio “when the entire surface of the humidifying element 17 is wet” 20% “and the accompanying" humidification mode target water retention rate "in step S51 and the like.
  • the water retention rate of the humidifying element 17 is estimated based on the count value of the drying timer from the characteristics of the humidifying element 17 shown in FIG.
  • a mechanism for measuring the weight of 17 may be provided to estimate the water retention rate.
  • step S70 the "current air retention rate” and the water retention rate "20%” in a state where the entire surface of the humidifying element 17 is wetted are “blow mode operation time”.
  • the present invention is not limited to this. Considering the accuracy of estimating the water retention rate of the humidifying element 17, instead of determining the “air blowing mode operation time” with the aim of the water retention rate “20%” when the entire surface of the humidifying element 17 is moistened, it is reliably humidified.
  • the “air blowing mode operation time” may be calculated using a value where the entire surface of the element 17 is wet, for example, “25%”.
  • the “humidification mode target water retention rate” is also set higher by 5%. As a result, even if an error occurs between the estimated value and the actual value of the water retention rate, a part of the humidifying element 17 is not dried, and a chloro component is precipitated to generate white powder, or the life of the humidifying element is increased. It is possible to prevent the decrease.
  • the drying completion time of 3.0 hr is set in the drying timer in step S1, but the drying timer value is set while the humidifying device 100 is turned on. You may make it memorize
  • the “humidification mode operation time” is set after estimating the water retention rate of the humidification element 17, but the “moisture retention rate of the humidification element 17 is not estimated but“ detection ”is performed.
  • the “humidification mode operation time” may be set only by “humidity change rate”.
  • the humidifying element 17 is maintained even after the “air blowing mode operation time”. Since there is a time when the entire surface of 17 is wet, there is a high possibility that the room will be excessively humidified.
  • the “detected humidity change rate” is high compared to the conventional technology, the “humidification mode target water retention rate” "Can be kept as small as possible. In other words, it is possible to prevent the room from becoming excessively humid by shortening the “whole operation time” as much as possible.
  • the “humidification mode target water retention rate” can be set relatively high. In other words, by setting the “whole operation time for the entire surface” to be relatively long, an effect of delaying the water supply timing and enhancing the water-saving effect can be obtained.
  • the “humidification mode operation time” is set according to the “detected humidity change rate”, but the “humidification element” does not depend on the “detected humidity change rate”.
  • the “air blowing mode operation time” is compared in the case where the “detection humidity change rate” is “over 2.0%”.
  • FIG. 11 is a flowchart illustrating an example of a control operation performed by the control unit 19 of the humidifier 100 according to the second embodiment.
  • FIG. 12 is a diagram illustrating a table for determining the humidification mode target water retention rate used in the humidifier 100 according to the second embodiment.
  • symbol is abbreviate
  • the difference from the first embodiment is that when determining the “humidification mode target water retention rate”, in addition to the selected air volume and “detected humidity change rate”, the indoor detected humidity is taken into account, When the upper limit of the “humidification mode target water retention ratio” is variable, and when the “humidification mode target water retention ratio” is set to 100%, the “humidification mode operation time” is set to 100%. The point is to set it longer than the required time.
  • step S ⁇ b> 81 the “humidification mode target water retention ratio” is determined according to FIG. 12, and the process proceeds to step S ⁇ b> 82.
  • the purpose is to delay the water supply timing and obtain a higher water-saving effect by determining that the possibility of humidification is low and setting a larger value for the “humidification mode target water retention rate”.
  • the “whole operation time” is twice as long as the selected air volume “high” at the same “humidification mode target water retention rate”.
  • the conditions for increasing the “humidification mode target water retention rate” are made stricter than the selected air volume “strong”.
  • step S82 as in step S52, based on the “humidification mode target water retention rate” and “current water retention rate” determined in step S81, the “humidification mode operation time” is set as follows, and then step S31 is performed. Return to.
  • “Humidity mode target water retention rate” is equal to or higher than “Current water retention rate”
  • Humidification mode operation time [minutes] (Humidification mode target water retention rate-Current water retention rate) ⁇ 10 [minutes]
  • Humidification mode operation time [minutes] 20 [minutes], sufficient water supply even if the concentration of the water component in the water retained by the humidification element 17 increases as the number of operations in the humidification mode increases
  • a cleaning operation an operation in which sufficient water supply is performed to wash away the chalk component.
  • the humidifying apparatus 100 has the “humidification mode” compared to the first embodiment when the indoor detected humidity is extremely lower than the target humidity in step S81 according to FIG. Since a large value is set for the “target water retention rate”, it is possible to delay the water supply timing and obtain a higher water-saving effect.
  • step S82 only when the “humidification mode target water retention rate” is “100%”, the time necessary for setting the water retention rate to 100% in the “humidification mode operation time” (in the second embodiment). Is set to 20 minutes exceeding the maximum 10 minutes), so that sufficient water supply can be provided even when the concentration of the chlorinated components of the water retained in the humidifying element 17 increases with the increase in the number of operations in the humidifying mode. By doing so, it becomes possible to wash away the chlorine component or reduce the concentration of the chlorine component, and it is possible to extend the life of the humidifying element 17.
  • the “humidification mode target water retention rate” is set in consideration of the “detection humidity change rate” in FIG. 12, but the “detection humidity change rate” is significantly increased. In an environment that does not fluctuate, the “humidification mode target water retention rate” may be set only with the detected humidity in the room.
  • FIG. 13 is a flowchart illustrating an example of a control operation performed by the control unit 19 of the humidifier 100 according to the third embodiment.
  • FIG. 14 is a figure which shows the table which determines the humidification mode target water retention rate used in the humidification apparatus 100 concerning Embodiment 3. As shown in FIG. In addition, about the structure similar to the said Embodiment 1, 2, the same code
  • the difference from the first embodiment is that when determining the “humidification mode target water retention rate”, in addition to the selected air volume and “detected humidity change rate”, the number of operations in the humidification mode is taken into account, and the humidification mode If the number of operations exceeds the specified number of times, set the “humidification mode target water retention rate” to 100%, and if the “humidification mode target water retention rate” is set to 100%, set the “humidification mode operation time” to It is in the point set longer than the time required in order to make "water retention” 100%.
  • step S91 As shown in FIG. 13, after “+1” is added to the “humidification mode operation count” in step S91, the process proceeds to step S92 via step S50.
  • step S92 the “humidification mode target water retention ratio” is determined according to FIG. 14, and the process proceeds to step S93.
  • the “humidification mode target water retention rate” is set to 100%. This is different from the first embodiment.
  • the specified number of times is changed according to the “detected humidity change rate”. Specifically, when the “detected humidity change rate” is low, there is a higher possibility of excessive humidification even when there is a factor that affects the indoor humidity other than the humidifying device 100 shown in the third embodiment. Judgment is low and the specified number of times is reduced.
  • the “whole operation time” is twice as long as the selected air volume “strong” at the same “humidification mode target water retention rate”.
  • the humidifier shown in Fig. 5 it becomes more susceptible to the influence of factors that affect indoor humidity. Considering this point, the condition for setting the “humidification mode target water retention rate” to “100%” is made stricter than the selected air volume “strong”.
  • step S93 as in step S52, based on the “humidification mode target water retention rate” and the “current water retention rate” determined in step S92, the “humidification mode operation time” is set as follows, Return to S31.
  • Humidification mode operation time [minutes] (Humidification mode target water retention rate-Current water retention rate) ⁇ 10 [minutes]
  • the humidification mode operation time exceeding the time required for achieving a water retention rate of 100% (maximum 10 minutes in the third embodiment) [ After setting [minute] 20 [minute], the humidification mode operation count is initialized to zero.
  • Humidification mode operation time [minutes] 20 [minutes], sufficient water supply even if the concentration of the water component in the water retained by the humidification element 17 increases as the number of operations in the humidification mode increases
  • the humidifying device 100 counts the “humidification mode operation count” in step S91, and in step S92, the “humidification mode operation count” becomes equal to or more than the specified number according to FIG.
  • the “humidification mode target water retention rate” is set to 100%, the concentration of the chlorinated components of the water retained by the humidification element 17 increases as the number of operations in the humidification mode increases.
  • FIG. 15 is a flowchart illustrating an example of a control operation performed by the control unit 19 of the humidifying apparatus 100 according to the fourth embodiment.
  • symbol is attached
  • the difference from the first embodiment is that there is a factor that affects the indoor humidity other than the humidifying device 100 described in the fourth embodiment during the air blowing mode operation.
  • the airflow fluctuates and it is determined that the humidification is insufficient or overhumidified, the air volume is changed.
  • step S ⁇ b> 101 after “air volume change determination” is performed, the process proceeds to step S ⁇ b> 44.
  • the “air volume change determination” in step S101 is performed as follows. When operating with “strong” airflow, change the airflow to "weak” when all of the following conditions are satisfied. [Condition 1] Detected humidity ⁇ Target humidity [Condition 2] Air blow mode operation time ⁇ Air blow mode operation timer (that is, operating with the entire surface of the humidifying element 17 wet) [Condition 3] Detected humidity change rate x (blow mode operation time-blow mode operation timer)> target humidity + 5% In other words, if it is predicted that “over-humidification” will be reached when the “air blowing mode operation time” is reached, the air volume is changed to “weak” to suppress the humidification amount in half and prevent “over-humidification”. is doing.
  • the humidifying device 100 according to the fourth embodiment has factors that affect the indoor humidity other than the humidifying device 100 described in the fourth embodiment during the air blowing mode operation in step S101. Therefore, when the “detected humidity change rate” fluctuates due to these effects and it is predicted that the humidification will be insufficient or excessive, it is possible to prevent insufficient or excessive humidification by appropriately changing the air volume. Become.
  • FIG. 16 is a diagram illustrating a hardware configuration of the control device 25 according to the first to fourth embodiments.
  • the control device 25 is realized by, for example, a microcomputer 33 on which a CPU (Central Processing Unit) 31 and a memory 32 are mounted.
  • the CPU 31 functions as the control unit 19 by executing a program.
  • a memory 32 such as a ROM (Read Only Memory) or a RAM (Random Access Memory) functions as the storage unit 16.
  • the program executed by the CPU 31 may be stored in the storage unit 16 or may be stored in another storage medium.
  • the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Air Humidification (AREA)

Abstract

La présente invention comprend : un corps (6) dans lequel un passage d'air (3) est formé pour établir une communication entre un orifice d'aspiration (1) et un orifice de soufflage (2) ; un moyen de soufflage (4) qui est disposé au niveau du passage d'air (3) et qui génère un écoulement d'air à partir de l'orifice d'aspiration (1) vers l'orifice de soufflage (2) pendant le fonctionnement ; un élément d'humidification (17) qui est disposé au niveau du passage d'air (3) ; un moyen d'alimentation en eau (11) qui fournit de l'eau à l'élément d'humidification (17) ; et une unité de commande (25) qui commute le fonctionnement entre un mode d'humidification dans lequel l'alimentation en eau de l'élément d'humidification (17) est réalisée, et un mode de soufflage dans lequel l'alimentation en eau de l'élément d'humidification (17) est arrêtée et le moyen de soufflage (4) est actionné. L'unité de commande (25) règle un temps de fonctionnement en mode d'humidification sur la base d'une humidité intérieure, qui est l'humidité dans une pièce dans laquelle l'air soufflé à partir de l'orifice de soufflage (2) est fourni.
PCT/JP2016/081959 2016-10-27 2016-10-27 Dispositif d'humidification WO2018078782A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2016/081959 WO2018078782A1 (fr) 2016-10-27 2016-10-27 Dispositif d'humidification
JP2018547016A JP6847122B2 (ja) 2016-10-27 2016-10-27 加湿装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/081959 WO2018078782A1 (fr) 2016-10-27 2016-10-27 Dispositif d'humidification

Publications (1)

Publication Number Publication Date
WO2018078782A1 true WO2018078782A1 (fr) 2018-05-03

Family

ID=62024556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/081959 WO2018078782A1 (fr) 2016-10-27 2016-10-27 Dispositif d'humidification

Country Status (2)

Country Link
JP (1) JP6847122B2 (fr)
WO (1) WO2018078782A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020115810A1 (fr) * 2018-12-04 2020-06-11 三菱電機株式会社 Dispositif d'humidification et dispositif de ventilation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0587381A (ja) * 1991-05-24 1993-04-06 Shimizu Corp 居住空間の健康的環境生成システム
JP2004011926A (ja) * 2002-06-03 2004-01-15 Daikin Ind Ltd 調湿装置
JP2015152180A (ja) * 2014-02-10 2015-08-24 三菱電機株式会社 加湿装置
WO2016047000A1 (fr) * 2014-09-26 2016-03-31 三菱電機株式会社 Humidificateur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5098560B2 (ja) * 2007-10-12 2012-12-12 パナソニック株式会社 加湿装置の湿度制御方法
KR20130068035A (ko) * 2011-12-15 2013-06-25 코웨이 주식회사 가습량조절방법 및 이를 이용한 가습장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0587381A (ja) * 1991-05-24 1993-04-06 Shimizu Corp 居住空間の健康的環境生成システム
JP2004011926A (ja) * 2002-06-03 2004-01-15 Daikin Ind Ltd 調湿装置
JP2015152180A (ja) * 2014-02-10 2015-08-24 三菱電機株式会社 加湿装置
WO2016047000A1 (fr) * 2014-09-26 2016-03-31 三菱電機株式会社 Humidificateur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020115810A1 (fr) * 2018-12-04 2020-06-11 三菱電機株式会社 Dispositif d'humidification et dispositif de ventilation
JPWO2020115810A1 (ja) * 2018-12-04 2021-05-20 三菱電機株式会社 加湿装置および換気装置
JP7047938B2 (ja) 2018-12-04 2022-04-05 三菱電機株式会社 換気装置

Also Published As

Publication number Publication date
JP6847122B2 (ja) 2021-03-24
JPWO2018078782A1 (ja) 2019-02-21

Similar Documents

Publication Publication Date Title
JP4478464B2 (ja) 加湿機
JP6456534B2 (ja) 加湿装置
WO2016047028A1 (fr) Dispositif de ventilation type à échange de chaleur
JP6274869B2 (ja) 換気装置
JP2015152214A (ja) 加湿装置
KR102426199B1 (ko) 공기조화기 및 공기조화기의 제어방법
JP2007303744A (ja) 空気調和機
KR20130068035A (ko) 가습량조절방법 및 이를 이용한 가습장치
WO2018078782A1 (fr) Dispositif d'humidification
JP5083102B2 (ja) 空気処理機器の制御装置
JP2001116303A (ja) 加湿装置
JP4247637B2 (ja) 浴室乾燥機
JP6358810B2 (ja) 加湿装置
KR102448714B1 (ko) 공기조화기 및 공기조화기의 제어방법
KR102459513B1 (ko) 공기조화기 및 공기조화기의 제어방법
JP6676183B2 (ja) 加湿装置
JP2016153701A (ja) 熱交換形換気装置
JP2015152182A (ja) 加湿装置
JP6340590B2 (ja) 換気装置
JP4684756B2 (ja) 加湿器
KR102325788B1 (ko) 공기조화기 및 공기조화기의 제어방법
JP2017227414A (ja) 加湿装置
JP2023012026A (ja) 空間浄化装置
KR101991836B1 (ko) 공기조화기의 제어방법
KR102323337B1 (ko) 에어워셔의 수면모드 제어방법

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2018547016

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16920368

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16920368

Country of ref document: EP

Kind code of ref document: A1