WO2017051523A1 - Purificateur d'air - Google Patents

Purificateur d'air Download PDF

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Publication number
WO2017051523A1
WO2017051523A1 PCT/JP2016/004230 JP2016004230W WO2017051523A1 WO 2017051523 A1 WO2017051523 A1 WO 2017051523A1 JP 2016004230 W JP2016004230 W JP 2016004230W WO 2017051523 A1 WO2017051523 A1 WO 2017051523A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air volume
unit
correction
output signal
Prior art date
Application number
PCT/JP2016/004230
Other languages
English (en)
Japanese (ja)
Inventor
弘士 小原
陽一 宮田
Original Assignee
パナソニックＩｐマネジメント株式会社
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 パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to CN201680054718.6A priority Critical patent/CN108027158B/zh
Publication of WO2017051523A1 publication Critical patent/WO2017051523A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to an air cleaner.
  • the main body case has an air purifying part such as a filter and a blower part such as a fan motor, and the air purifier removes (collects) air dust sucked from the suction port by driving the air blowing part. )
  • an air purifying part such as a filter and a blower part such as a fan motor
  • the air purifier removes (collects) air dust sucked from the suction port by driving the air blowing part.
  • the air cleaner of Patent Document 1 includes a dirt detection unit (second detection device in Patent Document 1) that detects fine particles such as dust contained in the air, and drives the blower unit based on the detection result of the dirt detection unit. Is to control. Moreover, in this air cleaner, in order to achieve stable sensing in the dirt detection unit, a flow rate measurement unit (first detection device in Patent Document 1) that directly or indirectly measures the flow rate of air passing through the dirt detection unit. The amount of air passing through the dirt detection unit is adjusted.
  • the air cleaner as described above includes a flow rate measuring unit that directly or indirectly measures the flow rate of air passing through the dirt detection unit, and is stable by adjusting the amount of air passing through the dirt detection unit. Sensing is possible. However, there is a concern about the increase in the number of parts due to the provision of the flow rate measurement unit, and an air cleaner that can operate in consideration of the influence of wind at the dirt detection unit while suppressing the increase in the number of components is desired. Yes.
  • the present invention provides an air cleaner capable of operating in consideration of the influence of wind generated by the air cleaner while suppressing an increase in the number of parts.
  • the air purifier according to the present invention includes a blower unit for blowing the air flowing in from the suction port into the main body case having the suction port and the blowing port, and the air purifying unit for blowing the air flowing in from the suction port. .
  • a dirt detection unit that outputs an output signal in accordance with dirt in the room
  • a control unit that controls the blower unit based on the output signal output from the dirt detection unit.
  • a correction unit is provided that corrects the output signal output from the dirt detection unit based on correction information set in advance in consideration of the influence of the wind inside and outside the main body case generated by the air blowing unit.
  • the air cleaner of the present invention it is possible to operate in consideration of the influence of wind generated by the air cleaner while suppressing an increase in the number of parts.
  • FIG. 1 is a perspective view of an air cleaner according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the air cleaner in one embodiment of the present invention.
  • FIG. 3 is a block diagram of the air cleaner according to one embodiment of the present invention.
  • FIG. 4 is a graph showing the relationship between the rotational speed of the fan motor of the air cleaner and the sensor output of the dirt detection unit in one embodiment of the present invention.
  • FIG. 5 is an explanatory diagram showing the relationship between the sensor output ratio of the dirt detection unit and the correction coefficient according to the difference in the air volume setting of the air cleaner in one embodiment of the present invention.
  • FIG. 6A is a graph showing a state in which the output correction of the dust sensor by the correction unit of the air cleaner in one embodiment of the present invention is applied.
  • FIG. 6B is a graph in a state where the output correction of the dust sensor by the correction unit of the air cleaner in one embodiment of the present invention is not applied.
  • FIG. 7A is a graph showing a state in which the output correction of the dust sensor by the correction unit of the air cleaner in one embodiment of the present invention is applied.
  • FIG. 7B is a graph in a state where the output correction of the dust sensor by the correction unit of the air cleaner in one embodiment of the present invention is not applied.
  • the air cleaner of the present embodiment has a substantially box-shaped main body case 1, and a suction port 2 is provided on the front side of the main body case 1. Further, a blowout port 3 is provided on the upper surface (top surface) side of the main body case 1.
  • the suction port 2 is provided with a filter 4 as an air purifying part in a detachable manner.
  • the filter 4 has two types of filters 4a and 4b.
  • the filter 4a functions as a dust collecting filter that collects dust, so-called PM2.5, for example, and the filter 4b functions as a deodorizing filter that removes odors.
  • a fan motor 5 is accommodated as a blower for blowing air flowing in from the suction port 2 through the blowout port 3.
  • a dust sensor 6 as a dirt detection unit is provided on the side surface of the main body case 1.
  • control unit 7 that controls various types of driving is provided on the upper side of the main body case 1, and a front panel 8 is provided on the front side of the filter 4 so as to cover the filter 4.
  • the control unit 7 includes an operation unit 9, a display unit 10, a correction unit 11, and a storage unit 12.
  • a dust sensor 6 and a fan motor 5 are electrically connected to the control unit 7.
  • the control unit 7 controls the fan motor 5 based on the output signal of the dust sensor 6.
  • the operation unit 9 includes a plurality of operation switches that can be operated by the user.
  • the adjustment of the air volume can be switched according to the user's preference. For example, “weak”, “medium”, and “strong” can be set in order from the lowest air volume. Yes.
  • “automatic air volume” for adjusting the air volume (adjusting the rotation speed of the fan motor 5) based on the output signal of the dust sensor 6 can be set.
  • the display unit 10 notifies the user of the current operating condition (air volume, etc.) of the air purifier based on the operation of the operation unit 9.
  • the correction unit 11 corrects the output signal of the dust sensor 6 based on a correction coefficient preset in the storage unit 12 described later. Since the correction unit 11 is composed of a one-chip microcomputer constituting the control unit 7 that controls various driving operations, the correction unit 11 and the control unit 7 are substantially the same member.
  • the storage unit 12 stores in advance correction coefficients that take into account fluctuations in the output ratio of the dust sensor 6 caused by the influence of wind generated by the fan motor 5.
  • the sensor output ratio tends to increase (directly proportional) as the rotational speed of the fan motor 5 increases.
  • the sensor output ratio when the sensor output ratio is “1.00” when the air volume setting is the lowest air volume setting “0” (the rotation speed of the fan motor 5 is zero), The sensor output ratio when the air volume setting is “1” is “1.16”.
  • the sensor output ratio when the air volume setting is “2”, the sensor output ratio is “1.23”, when the air volume setting is “3”, the sensor output ratio is “1.37”, and when the air volume setting is “4”.
  • the sensor output ratio is “1.43” and the air volume setting is “5”, the sensor output ratio is “1.50”. Further, the sensor output ratio when the air volume setting is “6” is “1.58”, the sensor output ratio when the air volume setting is “7” is “1.68”, and the sensor when the air volume setting is “8”. The sensor output ratio is “1.90” when the output ratio is “1.85”, the air volume setting is “9”, and the sensor output ratio is “1.95” when the air volume setting is “10”. Taking these things into consideration, the correction coefficient is set in the storage unit 12 of the air purifier in the present embodiment in accordance with the air volume (the number of rotations of the fan motor 5). Specifically, the reciprocal of the sensor output ratio is set as a correction coefficient, and these correction coefficients (correction information) are stored in the storage unit 12.
  • the operation unit 9 is operated by the user, and the control unit 7 controls the driving of the fan motor 5 based on the operation.
  • the controller 7 controls the rotational speed of the fan motor 5 in accordance with the output signal of the dust sensor 6 to adjust the air volume. . That is, when the control unit 7 determines that the amount of dust and the like in the room is dirty due to the output signal of the dust sensor 6, the fan motor 5 is driven at a high rotation speed to increase the air volume, thereby removing the dirt in the room. It is designed to be removed quickly.
  • the control unit 7 determines that the amount of dust and the like in the room is small based on the output signal of the dust sensor 6, the fan motor 5 is set to the lowest rotation (including motor stoppage, for example) to save power. ing.
  • FIGS. 6A and 6B show a case where the correction process is applied in the air cleaner in the present embodiment
  • FIG. 6B shows a case where the correction process is not applied in the air cleaner in the present embodiment as a reference example. Is shown.
  • the correction unit 11 corrects the sensor output (output signal) of the dust sensor 6 using a correction coefficient set in advance according to the air volume setting of the fan motor 5.
  • the time required for stabilizing the sensor output (output signal) of the dust sensor 6 due to the change in the air volume may be considered.
  • correction coefficients are calculated stepwise, for example.
  • the sensor signal output signal
  • the correction coefficient in the predetermined period T1 is A1 + (A2-A1) * n / T1.
  • the correction coefficient in the predetermined period T2 is represented by A1 + (A2-A1) * n / T2.
  • the correction result (correction result (maintenance correction coefficient)) corrected by the correction coefficient (holding correction coefficient) before the change of the air volume without performing the correction (change) of the output signal is not limited to such a configuration.
  • (Holding correction result) may be held (fixed).
  • the air volume change is performed.
  • the previous correction coefficient is “0.73”, but after the air volume change, the correction coefficient is “0.70”.
  • the correction coefficient before the air volume change is maintained. Becomes “0.70”, but after the air volume change, the correction coefficient becomes “0.73”.
  • the sensor output of the dust sensor 6 may be changed due to dust or the like during the predetermined period T1
  • the correction result after the air volume change obtained by applying the correction coefficient after the air volume change as described above is used. It is preferable to respond immediately.
  • a predetermined ratio width ( ⁇ 10%, etc.) is given to the held correction result, and when the deviation is out of this range, the comparison processing with the held correction result set within this range is performed.
  • a configuration in which the correction result is changed may be adopted.
  • the correction coefficient is set stepwise according to the air volume setting of the fan motor 5.
  • a configuration in which the correction coefficient is continuously set according to the rotation speed of the fan motor 5 is adopted. Also good.
  • a configuration in which a correction coefficient is calculated and used in the correction unit 11 may be employed. .
  • the calculation in this case can be performed by the correction unit 11 or the control unit 7, for example.
  • the information detected by the dust sensor 6 is displayed on the display unit 10 for notification, but the notification method is not limited to this method, and may be performed by voice or the like. Moreover, you may employ
  • control unit 7 has the function of the correction unit 11 and the correction is performed by, for example, a one-chip microcomputer.
  • the configuration is not limited to this. You may comprise the function of the correction
  • FIG. 1
  • the correction coefficient is set by using the fact that the rotational speed of the fan motor 5 and the output ratio of the dust sensor 6 are in direct proportion, but the present invention is not limited to this configuration.
  • the manufacturer side manufacturer side confirms them in advance at the time of design (manufacturing) and sets the correction coefficient. It is possible to set.
  • the filter 4 is composed of the filter 4a and the filter 4b.
  • the number of the filters 4 may be changed to one or three or more as appropriate.
  • a configuration provided with a humidifying unit that humidifies the room or a dehumidifying unit that dehumidifies the room may be further added.
  • An air purifier having a blower section for blowing air flowing in from the suction port into the main body case having the suction port and the blowout port.
  • an air purifier that cleans the air flowing in from the suction port, a dirt detector that outputs an output signal according to the dirt in the room, and a control that controls the blower based on the output signal output from the dirt detector Part.
  • a correction unit that corrects the output signal output from the dirt detection unit is provided based on correction information set in advance in consideration of the influence of the wind inside and outside the main body case generated by the blower.
  • amendment part uses the correction information preset according to the air volume setting of the ventilation part, or the rotation speed of the ventilation part, and is the output signal of a dirt detection part. Make corrections.
  • Additional remark 3 It is an air cleaner of Additional remark 1 or Additional remark 2, Comprising: It has a memory
  • Additional remark 4 It is an air cleaner of Additional remark 1 or Additional remark 2, Comprising: It has a memory
  • Additional remark 5 It is an air cleaner of Additional remark 1 or Additional remark 2, Comprising: It has a memory
  • the air cleaner according to the present invention can correct the output of the dust sensor without measuring the air volume, and the above configuration can be applied when the dust sensor is used in, for example, other air conditioners. It is.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente invention concerne un purificateur d'air présentant un boîtier de corps (1) équipé d'une entrée d'air (2) et d'une sortie d'air (3), l'intérieur du boîtier de corps (1) étant équipé d'une unité de soufflage d'air (5) pour évacuer de la sortie d'air (3) l'air s'écoulant à partir de l'entrée d'air (2). Le purificateur d'air est également équipé : d'une unité de purification d'air (4) qui purifie l'air s'écoulant depuis l'entrée d'air (2) ; d'une unité de détection de contamination (6) qui émet un signal de sortie correspondant au niveau de contamination dans une pièce ; et d'une unité de commande (7) qui commande l'unité de soufflage d'air (5) sur la base du signal de sortie émis par l'unité de détection de contamination (6). Le purificateur d'air est également équipé d'une unité de correction qui corrige le signal de sortie émis par l'unité de détection de contamination (6) sur la base des informations de correction prédéfinies en prenant en compte l'effet du vent à l'intérieur et sans le boîtier de corps (1) généré par l'unité de soufflage d'air (5).
PCT/JP2016/004230 2015-09-25 2016-09-16 Purificateur d'air WO2017051523A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680054718.6A CN108027158B (zh) 2015-09-25 2016-09-16 空气净化器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015188471A JP6564998B2 (ja) 2015-09-25 2015-09-25 空気清浄機
JP2015-188471 2015-09-25

Publications (1)

Publication Number Publication Date
WO2017051523A1 true WO2017051523A1 (fr) 2017-03-30

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PCT/JP2016/004230 WO2017051523A1 (fr) 2015-09-25 2016-09-16 Purificateur d'air

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JP (1) JP6564998B2 (fr)
CN (1) CN108027158B (fr)
WO (1) WO2017051523A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388486A (zh) * 2017-06-30 2017-11-24 苏州天键衡电子信息科技有限公司 一种高效强劲型空气净化处理器的工作方法
WO2019056238A1 (fr) * 2017-09-21 2019-03-28 苏州天键衡电子信息科技有限公司 Procédé de travail pour processeur de purification d'air du type fort à haute efficacité
CN110057058A (zh) * 2019-04-30 2019-07-26 北京联合大学 用于洁净厂房的风量控制方法及装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02152515A (ja) * 1988-12-02 1990-06-12 Matsushita Electric Ind Co Ltd 空気清浄機の運転方法
JPH02152514A (ja) * 1988-12-02 1990-06-12 Matsushita Electric Ind Co Ltd 空気清浄機の運転方法
JPH02164416A (ja) * 1988-12-19 1990-06-25 Matsushita Electric Ind Co Ltd 空気清浄機の制御回路
JPH04281813A (ja) * 1991-03-07 1992-10-07 Matsushita Electric Ind Co Ltd 空気清浄機
JPH11230588A (ja) * 1998-02-13 1999-08-27 Matsushita Electric Ind Co Ltd 空気清浄器
JP2005233484A (ja) * 2004-02-18 2005-09-02 Sanyo Electric Co Ltd 空気調和機
JP2005293896A (ja) * 2004-03-31 2005-10-20 Matsushita Electric Ind Co Ltd 負イオン発生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6666209B2 (en) * 2001-02-20 2003-12-23 3M Innovative Properties Company Method and system of calibrating air flow in a respirator system
CN203981542U (zh) * 2014-06-13 2014-12-03 劲天环境科技（上海）有限公司 一种颗粒物检测装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02152515A (ja) * 1988-12-02 1990-06-12 Matsushita Electric Ind Co Ltd 空気清浄機の運転方法
JPH02152514A (ja) * 1988-12-02 1990-06-12 Matsushita Electric Ind Co Ltd 空気清浄機の運転方法
JPH02164416A (ja) * 1988-12-19 1990-06-25 Matsushita Electric Ind Co Ltd 空気清浄機の制御回路
JPH04281813A (ja) * 1991-03-07 1992-10-07 Matsushita Electric Ind Co Ltd 空気清浄機
JPH11230588A (ja) * 1998-02-13 1999-08-27 Matsushita Electric Ind Co Ltd 空気清浄器
JP2005233484A (ja) * 2004-02-18 2005-09-02 Sanyo Electric Co Ltd 空気調和機
JP2005293896A (ja) * 2004-03-31 2005-10-20 Matsushita Electric Ind Co Ltd 負イオン発生装置

Also Published As

Publication number Publication date
JP6564998B2 (ja) 2019-08-28
CN108027158B (zh) 2020-02-14
CN108027158A (zh) 2018-05-11
JP2017062091A (ja) 2017-03-30

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