WO2022114001A1 - 換気装置 - Google Patents

換気装置 Download PDF

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Publication number
WO2022114001A1
WO2022114001A1 PCT/JP2021/042988 JP2021042988W WO2022114001A1 WO 2022114001 A1 WO2022114001 A1 WO 2022114001A1 JP 2021042988 W JP2021042988 W JP 2021042988W WO 2022114001 A1 WO2022114001 A1 WO 2022114001A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
air intake
plate
exhaust
outside air
Prior art date
Application number
PCT/JP2021/042988
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
渉 福嶋
伸哉 村井
遼太 須原
かな子 板東
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to AU2021388402A priority Critical patent/AU2021388402B2/en
Priority to EP21897973.0A priority patent/EP4253853A4/en
Priority to CN202180080273.XA priority patent/CN116583697A/zh
Priority to BR112023008976-0A priority patent/BR112023008976B1/pt
Publication of WO2022114001A1 publication Critical patent/WO2022114001A1/ja
Priority to US18/325,993 priority patent/US12025342B2/en

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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
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • 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
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/52—Weather protecting means, e.g. against wind, rain or snow
    • 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]
    • Y02B30/56—Heat recovery units

Definitions

  • This disclosure relates to ventilation equipment.
  • Patent Document 1 discloses a ventilation device installed outdoors.
  • the ventilator comprises an exhaust fan, an air supply fan, and a heat exchanger, and a casing that houses them.
  • An exhaust fan is arranged in the lower part of the casing, an air supply fan is arranged in the upper part, and a heat exchanger is arranged in the middle part.
  • An exhaust port is formed on the front surface of the lower part of the casing, a return air opening and an air supply opening are formed on the back surface of the upper part, and an outside air port is arranged on the left and right side surfaces of the middle part.
  • an exhaust port is formed on the front surface of the lower part of the casing. Therefore, the exhaust port is close to the ground, and rainwater or the like may enter the casing through the exhaust port. At the bottom of the casing are the exhaust fan and the electrical wiring connected to it, which can be adversely affected by the infiltrated water.
  • the purpose of this disclosure is to suppress the ingress of water into the accommodation space of the fan in the ventilation device installed outdoors.
  • the present disclosure is a ventilation device installed outdoors.
  • a casing having a storage space for accommodating the air supply fan and the exhaust fan.
  • the casing comprises a partition plate that partitions the lower end of the containment space.
  • a first outside air intake port and a first exhaust port penetrating in the vertical direction are formed on the partition plate.
  • An outside air intake chamber communicating with the first outside air intake port and an exhaust chamber communicating with the first exhaust port are formed between the partition plate and the bottom plate of the casing in the vertical direction.
  • the side plate of the casing is formed with a second outside air intake port that communicates the outside air intake chamber and the outside of the casing, and a second exhaust port that communicates the exhaust chamber and the outside of the casing.
  • the ventilation device having the above configuration, since the outside air intake chamber and the exhaust chamber are formed between the bottom plate of the casing and the partition plate above the casing, the second outside air intake port and the second exhaust port formed in the casing are used. Even if water enters the casing, the water can be retained in the outside air intake chamber and the exhaust chamber, and the water can be suppressed from entering the storage space above the partition plate.
  • a drain port is formed on the bottom plate of the casing in the exhaust chamber.
  • the bottom plate of the casing is formed with a gradient such that the drainage port is at a low level. According to the above configuration, the water that has entered the outside air intake chamber and the exhaust chamber flows toward the drain port in the exhaust chamber, so that the water can be discharged to the outside without freezing.
  • the lower surface of the partition plate is waterproof. According to this configuration, it is possible to suppress deterioration (rust, etc.) of the partition plate due to water that has entered the outside air intake chamber and the exhaust chamber.
  • a waterproof plate having waterproof property is provided on the lower surface of the partition plate.
  • the lower surface of the partition plate can be easily made waterproof.
  • the second outside air intake port or the second exhaust port extends upward from a range below the partition plate in the side plate beyond the partition plate.
  • the second outside air intake or the second exhaust port since the second outside air intake or the second exhaust port extends not only in the range below the partition plate in the side plate but also above the partition plate, the second outside air intake or the second exhaust port 2
  • the exhaust port can be expanded in the vertical direction to facilitate the increase in the supply air volume or the exhaust air volume.
  • the casing has a first side plate to which the second outside air inlet or the second exhaust port is formed and arranged horizontally away from the partition plate.
  • the second outside air intake or the second exhaust port formed on the first side plate extends upward beyond the partition plate from a range below the partition plate on the first side plate.
  • the waterproof plate extends from the lower surface of the partition plate to the upper side of the second outside air intake port or the second exhaust port formed on the first side plate. According to the above configuration, the outside air intake chamber or the exhaust chamber can be partitioned by the waterproof plate between the partition plate and the first side plate.
  • the casing is a second casing in which the air supply fan and the exhaust fan are housed.
  • the partition plate is the bottom plate of the second casing.
  • the outside air intake chamber and the exhaust chamber are formed between the bottom plate of the second casing and the bottom plate of the first casing.
  • FIG. 3 is a cross-sectional view taken along the line AA of FIG.
  • FIG. 3 is a cross-sectional view taken along the line BB of FIG. 6A and 6B are cross-sectional views around the main outside air intake.
  • It is a perspective view of the total heat exchanger. It is a perspective view which shows the state which the side plate was removed from the ventilation system.
  • FIG. 1 is a perspective view of a ventilation device according to an embodiment of the present disclosure.
  • the descriptions of top, bottom, front, back, left, and right follow the arrows shown with these terms in FIGS. 1 to 3.
  • the first direction indicated by the arrow X is the left-right direction
  • the second direction indicated by the arrow Y is the front-back direction
  • the third direction indicated by the arrow Z is the up-down direction.
  • the first direction X may be read as the front-rear direction
  • the second direction Y may be read as the left-right direction.
  • Ventilation device 1 ventilates indoors by exchanging outdoor (outdoor) air and indoor (indoor) air.
  • the ventilation device 1 is installed outdoors.
  • the ventilation device 1 is connected indoors via the duct D.
  • the ventilator 1 has a box-shaped main casing (first casing) 2 formed in a rectangular parallelepiped shape.
  • the ventilation device 1 of the present embodiment includes a sub-casing 13 described later as a casing in addition to the main casing 2.
  • the main casing 2 has a bottom plate 2e, a top plate 2f, a right side plate 2a, a left side plate 2b, a front side plate 2c, and a rear side plate 2d.
  • the bottom plate 2e and the top plate 2f are formed in a rectangular shape in a plan view, and are arranged so as to face each other with an interval in the vertical direction.
  • the four sides of the bottom plate 2e and the top plate 2f are connected by the left and right side plates 2b and 2a and the front and rear side plates 2c and 2d, respectively.
  • the top plate 2f of the main casing 2 is provided with a main return air intake port (second return air intake port) 3 and a main air supply port (second air supply port) 4.
  • Cylindrical bodies 3a and 4a are attached to the main return air intake port 3 and the main air supply port 4, respectively, and one end of the duct D is connected to the tubular bodies 3a and 4a, respectively.
  • the other end of the duct D is connected indoors. Therefore, the main return air intake 3 and the main air supply port 4 communicate with each other indoors through the duct D.
  • a pair of legs 7 are provided on the bottom plate 2e of the main casing 2. By placing the legs 7 on the ground and fixing them with bolts or the like, the ventilation device 1 is installed outdoors.
  • the ventilation device 1 is not limited to the ground, and may be installed on, for example, a gantry attached to an outer wall, a roof, or the like of a building.
  • the main outside air intake (second outside air intake) 5 is formed on the right side plate 2a of the main casing 2.
  • a main exhaust port (second exhaust port) 6 is formed on the left side plate 2b of the main casing 2.
  • the ventilation device main body 10 is housed in the main casing 2.
  • an indoor installation type ventilation device that has been conventionally installed and used indoors at the ceiling or on the wall surface has been diverted.
  • the ventilation device 1 of the present disclosure constitutes an outdoor installation type ventilation device 1 by accommodating the indoor installation type ventilation device in the main casing 2.
  • the indoor-mounted ventilator is not exposed to rain like the outdoor-mounted ventilator, so waterproofness is not considered so much. Therefore, the ventilation device 1 of the present disclosure can be installed outdoors by accommodating the indoor installation type ventilation device in the main casing 2 having excellent waterproofness.
  • the ventilation device 1 of the present disclosure is not a diversion of the ventilation device of the indoor installation type, but may be a ventilation device designed exclusively for the outdoor installation type.
  • FIG. 2 is a perspective view of the main body of the ventilation device.
  • the ventilator main body 10 has a box-shaped sub-casing (second casing) 13 formed in a rectangular parallelepiped shape.
  • the sub-casing 13 substantially forms a storage space S for accommodating the air supply fan 42, the exhaust fan 43, and the total heat exchanger 41, which will be described later (see FIG. 3).
  • the sub-casing 13 has a bottom plate 13e, a top plate 13f, a right side plate 13a, a left side plate 13b, a front side plate 13c, and a rear side plate 13d.
  • the bottom plate 13e and the top plate 13f are formed in a rectangular shape in a plan view, and are arranged so as to face each other with an interval in the vertical direction.
  • the four sides of the bottom plate 13e and the top plate 13f are connected by the left and right side plates 13b and 13a and the front and rear side plates 13c and 13d, respectively.
  • An electrical component unit 27 is provided on the upper part of the right side plate 13a.
  • the electrical component unit 27 has a box 27a and electrical components such as a control board and a terminal block housed in the box 27a.
  • the electrical component unit 27 may be provided on other side plates 13b, 13c, 13d.
  • the sub-return air intake port (first return air intake port) 14 and the sub-air supply port (first air supply port) 17 are formed on the top plate 13f of the sub-casing 13.
  • the secondary return air intake port 14 and the secondary air supply port 17 are provided with cylinders 14a and 17a, respectively.
  • the bottom plate 13e of the sub-casing 13 constitutes a partition plate for partitioning the lower end of the accommodation space S for accommodating the air supply fan 42, the exhaust fan 43, and the total heat exchanger 41.
  • the bottom plate 13e of the sub-casing 13 is formed with a sub-outside air intake port (first outside air intake port) 16 and a sub-exhaust port (first exhaust port) 15.
  • a tubular body 15a is attached to the sub-exhaust port 15. However, the tubular body 15a may be omitted.
  • FIG. 3 is a front view schematically showing the inside of the ventilation device.
  • FIG. 4 is a cross-sectional view taken along the line AA of FIG.
  • FIG. 5 is a cross-sectional view taken along the line BB of FIG.
  • the tips of the cylinders 14a and 17a attached to the top plate 13f of the sub-casing 13 are communicated with the main return air intake port 3 and the main air supply port 4 of the main casing 2, respectively.
  • the electrical component unit 27 is provided on the right side plate 13a of the sub-casing 13, the distance between the right side plate 13a and the right side plate 2a of the main casing 2 is larger than the distance between the other side plates facing each other.
  • a wide spacing T is formed. It should be noted that such an interval T may be formed between other side plates facing each other.
  • a waterproof plate 21 is provided on the lower surface of the bottom plate 13e of the sub-casing 13.
  • the waterproof plate 21 is configured, for example, by applying a waterproof coating or surface treatment to a metal plate material, and is provided to impart waterproofness to the lower surface of the bottom plate 13e.
  • the waterproof plate 21 covers the entire lower surface of the bottom plate 13e.
  • the waterproof plate 21 is formed with an opening 21a communicating with the sub-outside air intake port 16 and an opening 21b communicating with the sub-exhaust port 15.
  • the waterproof plate 21 has an extension portion 21c extending from the bottom plate 13e to the right side plate 2a of the main casing 2 and arranged at the interval T.
  • the extension portion 21c extends upward from the bottom plate 13e and reaches the right side plate 2a at a position higher than the bottom plate 13e.
  • the waterproof plate 21 has a length in the front-rear direction that is substantially the same as the distance in the front-rear direction between the front side plate 2c and the rear side plate 2d of the main casing 2.
  • the waterproof plate 21 has a length in the left-right direction substantially the same as the distance in the left-right direction between the right side plate 2a and the left side plate 2b of the main casing 2.
  • the waterproof plate 21 divides the space surrounded by the left and right side plates 2b, 2a and the front and rear side plates 2c, 2d into upper and lower portions, and suppresses the ingress of water from the space below the waterproof plate 21 to the space above the waterproof plate 21.
  • the waterproof plate 21 may be formed of one member or may be formed of a combination of a plurality of members.
  • an outside air intake chamber 18 and an exhaust chamber 19 are formed between the bottom plate (partition plate) 13e of the sub-casing 13 and the bottom plate 2e of the main casing 2.
  • the outside air intake chamber 18 communicates with the main outside air intake 5 and the sub outside air intake 16.
  • the exhaust chamber 19 communicates with the main exhaust port 6 and the sub-exhaust port 15.
  • the upper end of the outside air intake chamber 18 is also partitioned by the waterproof plate 21, and in this respect, the waterproof plate 21 also constitutes the partition plate.
  • the outside air intake chamber 18 and the exhaust chamber 19 are separated to the left and right by a partition plate 22.
  • the partition plate 22 is arranged with a slight gap between the bottom plate 2e of the main casing 2 and allows the flow of water on the bottom plate 2e between the outside air intake chamber 18 and the exhaust chamber 19. There is.
  • the main return air intake port 3 of the main casing 2 and the secondary return air intake port 14 of the sub-casing 13 are used to take in air (return air) RA from indoors into the main casing 2 and the sub-casing 13.
  • the main exhaust port 6, the exhaust chamber 19, and the sub-exhaust port 15 are used to exhaust the return air RA taken into the main casing 2 and the sub-casing 13 to the outside as an exhaust EA.
  • the main outside air intake 5, the outside air intake chamber 18, and the sub-outside air intake 16 are used to take in the air (outside air) OA from the outside into the main casing 2 and the sub-casing 13.
  • the main air supply port 4 and the sub air supply port 17 are used to supply the outside air OA taken into the main casing 2 and the sub casing 13 indoors as the air supply SA.
  • the main outside air intake port 5 extends upward from the range below the partition plate 13e on the right side plate 2a beyond the partition plate 13e.
  • the waterproof plate 21 extends from the lower surface of the partition plate 13e to the upper side of the upper end portion of the main outside air intake port 5.
  • the main exhaust port 6 is formed in the left side plate 2b in a range below the partition plate 13e. Therefore, the area of the main exhaust port 6 is smaller than the area of the main outside air intake port 5.
  • the main exhaust port 6 may extend upward beyond the partition plate 13e from a range below the partition plate 13e, similarly to the main outside air intake port 5.
  • the main outside air intake port 5 may be formed only in the range below the partition plate 13e.
  • protective nets 24 and 26 are provided at the main outside air intake port 5 and the main exhaust port 6, respectively.
  • a filter 25 is also provided at the main outside air intake port 5.
  • a drainage port 2g is formed on the bottom plate 2e of the main casing 2.
  • the drainage port 2g is arranged in the exhaust chamber 19.
  • the bottom plate 2e is formed with a gradient such that the drainage port 2g is the lowest. Therefore, the water existing on the bottom plate 2e flows toward the drainage port 2g and is discharged from the drainage port 2g to the outside of the main casing 2.
  • a total heat exchanger 41, an air supply fan 42, and an exhaust fan 43 are arranged inside the sub-casing 13. Inside the main casing 2 and the sub-casing 13, the return air RA taken in from the main return air intake port 3 and the sub-return air intake port 14 passes through the total heat exchanger 41, and the sub-exhaust port 15 and the exhaust as exhaust EA. It is discharged to the outside of the sub-casing 13 from the chamber 19 and the main exhaust port 6.
  • this air flow is also referred to as "first air flow F1".
  • the outside air OA taken in from the main outside air intake 5, the outside air intake chamber 18, and the sub-outside air intake 16 passes through the total heat exchanger 41, and is indoors from the sub air supply port 17 and the main air supply port 4 as the air supply SA. Is supplied to.
  • this air flow is also referred to as "second air flow F2".
  • FIG. 7 is a perspective view of the total heat exchanger.
  • the total heat exchanger 41 in the present embodiment is an orthogonal type total heat exchanger configured so that the first air flow F1 and the second air flow F2 pass substantially orthogonally.
  • the total heat exchanger 41 has a partition plate 41a and a partition plate 41b.
  • the partition plate 41a and the partition plate 41b are alternately laminated with an appropriate adhesive.
  • the total heat exchanger 41 is formed in a substantially quadrangular column shape as a whole.
  • the partition plate 41a has heat transfer property and moisture permeability, and is formed in a flat plate shape.
  • the partition plate 41a also has a property of allowing the refrigerant to permeate.
  • the partition plate 41b is formed in the shape of a corrugated plate in which substantially triangular cross sections are continuously formed.
  • the partition plate 41b forms an air passage between two adjacent partition plates 41a.
  • the partition plate 41b is laminated by changing the angle of 90 degrees for each partition plate 41a and the partition plate 41b in the stacking direction.
  • the exhaust side passage 41c for passing the first air flow F1 and the air supply side passage 41d for passing the second air flow F2 are orthogonal to each other on both sides of the partition plate 41a. Is formed.
  • the air flowing through the exhaust side passage 41c and the air flowing through the air supply side passage 41d are exchanged for sensible heat and latent heat (total heat exchange) via a partition plate 41a having heat transferability and moisture permeability. ing.
  • the inside of the sub-casing 13 has two regions of the indoor side (upper side in the sub-casing 13) and the outdoor side (lower side in the sub-casing 13) by the total heat exchanger 41. It is partitioned into.
  • an upstream exhaust air passage 46a is formed in the sub-casing 13 on the upstream side of the first air flow F1 from the total heat exchanger 41, and the exhaust air passage 46a is formed from the total heat exchanger 41.
  • a downstream exhaust air passage 46b is formed on the downstream side of the first air flow F1.
  • the upstream exhaust air passage 46a and the downstream exhaust air passage 46b form an exhaust air passage 46 that communicates indoors and outdoors via the total heat exchanger 41.
  • an upstream air supply air passage 47a is formed in the sub-casing 13 on the upstream side of the second air flow F2 from the total heat exchanger 41, and the total heat exchanger 41 provides. Also, a downstream air supply air passage 47b is formed on the downstream side of the second air flow F2.
  • the upstream air supply air passage 47a and the downstream air supply air passage 47b constitute an air supply air passage 47 that communicates indoors and outdoors via the total heat exchanger 41.
  • a partition wall 51 is provided between the upstream exhaust air passage 46a and the downstream air supply air passage 47b.
  • a partition wall 52 is provided between the downstream exhaust air passage 46b and the upstream air supply air passage 47a.
  • an exhaust fan 43 is arranged in the vicinity of the sub-exhaust port 15 in the downstream exhaust air passage 46b. By driving the exhaust fan 43, a first air flow F1 is generated, and the return air RA from the indoor is discharged to the outside as an exhaust EA through the exhaust air passage 46.
  • an air supply fan 42 is arranged in the vicinity of the auxiliary air supply port 17 in the downstream air supply air passage 47b. By driving the air supply fan 42, a second air flow F2 is generated, and the outdoor outside air OA passes through the air supply air passage 47 and is supplied indoors as an air supply SA.
  • Ventilation operation is performed by driving the exhaust fan 43 and the air supply fan 42.
  • the return air RA from the inside is discharged to the outside, and the outside air OA from the outside is supplied to the room to ventilate the room.
  • the sensible heat and the latent heat are exchanged between the return air RA from the indoor air and the outdoor air OA from the outdoor air by the total heat exchanger 41, and changes in temperature and humidity indoors are suppressed.
  • the total heat exchanger 41 can be taken out sideways (in the direction of the white arrow) from the sub-casing 13.
  • the total heat exchanger 41 of the present embodiment has a portion 41e protruding from the right side plate 13a, and a handle 41f is provided in this portion 41e. Then, the operator can take out the total heat exchanger 41 from the sub-casing 13 by holding the handle 41f in his hand and pulling the total heat exchanger 41 in the direction of the white arrow.
  • FIG. 2 shows a space region in which the total heat exchanger 41 passes when the total heat exchanger 41 is taken out from the sub-casing 13, which is a projection area to the side (outward direction) of the total heat exchanger 41. It is indicated by the reference numeral K.
  • FIG. 8 is a perspective view showing a state in which the side plate is removed from the ventilation device.
  • the ventilation device 1 of the present embodiment can form an opening on the right side surface of the main casing 2 by removing the right side plate 2a of the main casing 2. Therefore, the total heat exchanger 41 can be taken out laterally from the sub-casing 13 and the main casing 2 through this opening.
  • the total heat exchanger 41 can be taken out laterally from the sub-casing 13 and the main casing 2 through this opening.
  • maintenance and replacement of the total heat exchanger 41 can be easily performed.
  • the electrical component unit 27 is exposed to the outside, so that the operation and maintenance of the electrical component unit 27 can be easily performed.
  • FIG. 6 is a cross-sectional view around the main outside air intake.
  • a protective net 24 is attached to the main outside air intake port 5.
  • the protective net 24 has a rectangular frame body 24a and a net body 24b provided in the frame body 24a.
  • the protective net 24 is also provided with a filter 25.
  • the frame body 24a of the protective net 24 has a guide groove 24c into which the front and rear edges of the filter 25 can be inserted in the vertical direction.
  • the lower end of the frame body 24a is attached to the main casing 2 so as to be swingable in the left-right direction via the support shaft 24d.
  • the upper end portion of the frame body 24a is fixed to the right side plate 2a by the fixing member 24e.
  • the fixing member 24e As shown in FIG. 6B, when the frame body 24a is not fixed by the fixing member 24e and the frame body 24a is swung to the right, the upper end of the guide groove 24c is exposed to the outside of the main casing 2.
  • the swing of the frame body 24a is limited by the stopper 24f provided on the frame body 24a hitting the right side plate 2a. In this state, the filter 25 can be attached to and detached from the guide groove 24c.
  • the ventilator 1 may include another type of heat exchanger, for example, a heat exchanger through which a heat exchange medium such as a refrigerant flows, instead of the total heat exchanger 41.
  • the ventilator 1 may not be provided with a heat exchanger, and may be provided with a filter instead of the heat exchanger, for example.
  • the main outside air intake port 5 may be formed on the left side plate 2b, the front side plate 2c, or the rear side plate 2d of the main casing 2.
  • the main exhaust port 6 may be formed on the right side plate 2a, the front side plate 2c, or the rear side plate 2d of the main casing 2.
  • the main outside air intake port 5 and the main exhaust port 6 may be arranged in a positional relationship in which the outside air and the exhaust air do not mix with each other.
  • the ventilation device 1 does not have to include the sub-casing 13, and even if the inside of the main casing 2 is partitioned by a partition plate, a storage space S, an outside air intake chamber 18, an exhaust chamber 19, and the like are formed. good.
  • the ventilation device 1 of the above embodiment is installed outdoors.
  • the ventilation device 1 includes an air supply fan 42, an exhaust fan 43, and a casing (main casing 2 and sub-casing 13) having a storage space S in which the air supply fan 42 and the exhaust fan 43 are housed.
  • the casing 13 includes a partition plate 13e that partitions the lower end of the accommodation space S.
  • the partition plate 13e is formed with a sub-outside air intake port 16 and a sub-exhaust port 15 penetrating in the vertical direction.
  • An outside air intake chamber 18 communicating with the sub-outside air intake port 16 and an exhaust chamber 19 communicating with the sub-exhaust port 15 are formed between the partition plate 13e and the bottom plate 2e of the casing 2 in the vertical direction.
  • the side plates 2a to 2d of the casing 2 are formed with a main outside air intake port 5 that communicates the outside air intake chamber 18 and the outside of the casing 2, and a main exhaust port 6 that communicates the exhaust chamber 19 and the outside of the casing 2. ..
  • the outdoor installation type ventilation device 1 having the above configuration is formed in the casing 2 because the outside air intake chamber 18 and the exhaust chamber 19 are formed between the bottom plate 2e of the casing 2 and the partition plate 13e above the bottom plate 2e. Even if water enters the casing 2 from the main outside air intake port 5 and the main exhaust port 6, the water can be retained in the outside air intake chamber 18 and the exhaust chamber 19, and the accommodation space S above the partition plate 13e can be retained. It is possible to prevent water from entering the casing. Therefore, it is possible to suppress adverse effects on electrical parts and electrical wiring such as the air supply fan 42 and the exhaust fan 43 in the accommodation space S.
  • the drain port 2g is formed on the bottom plate 2e of the casing 2 in the exhaust chamber 19.
  • the bottom plate 2e of the casing 2 is formed with a gradient such that the drainage port 2g is low.
  • the water that has entered the outside air intake chamber 18 and the exhaust chamber 19 flows toward the drain port 2 g in the exhaust chamber 19, so that the water can be discharged to the outside from the drain port 2 g without freezing.
  • the lower surface of the partition plate 13e is waterproof. Therefore, deterioration (rust, etc.) of the partition plate 13e due to the water that has entered the outside air intake chamber 18 and the exhaust chamber 19 can be suppressed.
  • a waterproof plate 21 having waterproof properties is provided on the lower surface of the partition plate 13e. Therefore, the lower surface of the partition plate 13e can be easily made waterproof.
  • an indoor installation type ventilation device is diverted as the ventilation device main body 10, and the sub-casing 13 itself does not have waterproofness that can withstand outdoor installation. Therefore, by providing the waterproof plate 21 on the lower surface of the bottom plate 13e of the sub-casing 13 constituting the partition plate 13e, the bottom plate 13e can be easily made waterproof.
  • the main outside air intake port 5 or the main exhaust port 6 extends upward beyond the partition plate 13e from the range below the partition plate 13e in the side plates 2a to 2d. Therefore, the main outside air intake port 5 or the main exhaust port 6 can be expanded in the vertical direction, and the supply air volume or the exhaust air volume can be increased.
  • the casing 2 is the first side plates 2a to 2d (example shown in FIG. 3) in which the main outside air intake port 5 or the main exhaust port 6 is formed and arranged horizontally away from the partition plate 13e.
  • the right side plate 2a) on which the main outside air intake port 5 is formed is provided.
  • the main outside air intake port 5 or the main exhaust port 6 formed in the first side plates 2a to 2d extends upward beyond the partition plate 13e from a range below the partition plate 13e in the first side plates 2a to 2d. ..
  • the waterproof plate 21 extends from the lower surface of the partition plate 13e to the upper end of the main outside air intake 5 formed in the first side plates 2a to 2d.
  • the outside air intake chamber 18 can be partitioned by the waterproof plate 21 between the partition plate 13e and the first side plates 2a to 2d.
  • the waterproof plate 21 can prevent the water that has entered the outside air intake chamber 18 from the outside air intake 5 from being applied to the sub-casing 13.
  • the casings 2 and 13 include a sub-casing 13 in which the air supply fan 42 and the exhaust fan 43 are housed, and a main casing 2 in which the sub-casing 13 is housed.
  • the partition plate 13e is the bottom plate of the sub-casing 13, and the outside air intake chamber 18 and the exhaust chamber 19 are formed between the bottom plate 13e of the sub-casing 13 and the bottom plate 2e of the main casing 2. Therefore, when the conventional indoor installation type ventilation device is diverted as the ventilation device main body 10, the outside air intake chamber 18 and the exhaust chamber 19 can be formed in the main casing 2.
  • Ventilation device 2 Main casing (first casing) 2a: Right side plate 2b: Left side plate 2c: Front side plate 2d: Rear side plate 2e: Bottom plate 2g: Drainage port 5: Main outside air intake (second outside air intake) 6: Main exhaust port (second exhaust port) 13: Sub-casing (second casing) 13e: Bottom plate (partition plate) 15: Sub-exhaust port (first exhaust port) 16: Sub-outside air intake (first outside air intake) 18: Outside air intake room 19: Exhaust room 21: Waterproof plate 42: Air supply fan 43: Exhaust fan S: Storage space

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Seal Device For Vehicle (AREA)
  • Liquid Crystal (AREA)
  • Ventilation (AREA)
PCT/JP2021/042988 2020-11-30 2021-11-24 換気装置 WO2022114001A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2021388402A AU2021388402B2 (en) 2020-11-30 2021-11-24 Ventilation device
EP21897973.0A EP4253853A4 (en) 2020-11-30 2021-11-24 VENTILATION DEVICE
CN202180080273.XA CN116583697A (zh) 2020-11-30 2021-11-24 换气装置
BR112023008976-0A BR112023008976B1 (pt) 2020-11-30 2021-11-24 Dispositivo de ventilação
US18/325,993 US12025342B2 (en) 2020-11-30 2023-05-30 Ventilation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-198228 2020-11-30
JP2020198228A JP7148818B2 (ja) 2020-11-30 2020-11-30 換気装置

Related Child Applications (1)

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US18/325,993 Continuation US12025342B2 (en) 2020-11-30 2023-05-30 Ventilation device

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WO2022114001A1 true WO2022114001A1 (ja) 2022-06-02

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EP (1) EP4253853A4 (US06272168-20010807-M00014.png)
JP (1) JP7148818B2 (US06272168-20010807-M00014.png)
CN (1) CN116583697A (US06272168-20010807-M00014.png)
AU (1) AU2021388402B2 (US06272168-20010807-M00014.png)
BR (1) BR112023008976B1 (US06272168-20010807-M00014.png)
WO (1) WO2022114001A1 (US06272168-20010807-M00014.png)

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JPS5574233U (US06272168-20010807-M00014.png) * 1978-11-10 1980-05-22
JPH0261446A (ja) * 1988-08-26 1990-03-01 Mitsubishi Electric Corp 熱交換器付換気装置
JP2005043032A (ja) * 2003-07-19 2005-02-17 Samsung Electronics Co Ltd 空気清浄機
JP2014020768A (ja) 2012-07-23 2014-02-03 E's Inc ハウス用の除湿換気装置
JP2015129621A (ja) * 2014-01-08 2015-07-16 三菱電機株式会社 熱交換型換気システム
KR102081237B1 (ko) * 2019-07-10 2020-02-25 (주)문명에이스 환기 및 에너지 절감형 공기청정기
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AU2021388402A1 (en) 2023-06-15
US20230304682A1 (en) 2023-09-28
AU2021388402B2 (en) 2023-07-06
EP4253853A4 (en) 2024-03-27
BR112023008976B1 (pt) 2024-02-27
JP7148818B2 (ja) 2022-10-06
BR112023008976A2 (US06272168-20010807-M00014.png) 2023-06-27
CN116583697A (zh) 2023-08-11
EP4253853A1 (en) 2023-10-04
JP2022086295A (ja) 2022-06-09

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