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WO2004083735A1 - Climatiseur ayant une unite d'interieur dotee d'une fonction de nettoyage automatique du filtre a air - Google Patents

Climatiseur ayant une unite d'interieur dotee d'une fonction de nettoyage automatique du filtre a air Download PDF

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Publication number
WO2004083735A1
WO2004083735A1 PCT/JP2004/003616 JP2004003616W WO2004083735A1 WO 2004083735 A1 WO2004083735 A1 WO 2004083735A1 JP 2004003616 W JP2004003616 W JP 2004003616W WO 2004083735 A1 WO2004083735 A1 WO 2004083735A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction
suction nozzle
air
ventilation
air conditioner
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2004/003616
Other languages
English (en)
Japanese (ja)
Inventor
Yasushi Jinno
Masaharu Ebihara
Makoto TACHIGORI
Akihiko Shimizu
Tsutomu Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2005503731A priority Critical patent/JPWO2004083735A1/ja
Priority to KR1020057017094A priority patent/KR101088213B1/ko
Priority to CNB2004800074438A priority patent/CN100338399C/zh
Publication of WO2004083735A1 publication Critical patent/WO2004083735A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/008—Indoor units, e.g. fan coil units with perfuming or deodorising means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus
    • 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
    • F24F2221/22—Cleaning ducts or apparatus

Definitions

  • the present invention relates to an air conditioner having a function of automatically cleaning an air filter provided at an air inlet of a room unit.
  • the conventional air conditioner has dust particles 1
  • An air filter 5 for preventing intrusion of dust is provided on the front surface of the heat exchanger 0, and the air filter 5 is configured to be detachable so that attached dust can be cleaned by hand.
  • a rotating brush As an air conditioner that facilitates cleaning of the air filter, a rotating brush, a brush cover that rotatably supports and covers the rotating brush, and a filter brush composed of a pieon provided coaxially with the rotating brush are provided.
  • the suction nozzle of the vacuum cleaner is connected to the suction port provided in the brush cover, and is moved over the air filter to suck the dust accumulated on the air filter while scraping it off with a rotating brush.
  • a collecting device a cleaning device, a suction mechanism, a support beam connected to the suction mechanism, a hose connected to the support beam, a vacuum generator, and a separator disposed on a suction side of the vacuum generator.
  • a device configured to automatically suck dust attached to an air filter and collect the dust by a separator (for example, see Patent Document 2).
  • the drive shaft and the driven shaft having a belt-shaped air filter stretched thereon, a servo motor for driving the drive shaft, a brush, a dust sensor and a fan disposed in the exhaust pipe, and the continuous use time of the air filter are reduced.
  • a calculation processing unit for calculating and a control unit are provided, and dust is removed with a brush while rotating a belt-shaped air filter (for example, see Patent Document 3).
  • -Patent Document 1 Japanese Patent Application Laid-Open No. H11-2226303 (Page 2, FIGS. 1-4)
  • -Patent Document 2 Japanese Patent Application Laid-Open No. Hei 1-175020 (Pages 1 to 9, Fig. 4)
  • 'Patent Document 3 Japanese Patent Application Laid-Open No. 6-74521 (Page 2, Figure 1)
  • the air filter is removed from the air conditioner according to the frequency of use of the air conditioner, and the air purifier can be washed with water or with a vacuum cleaner. Cleaning the attached dust was troublesome because regular maintenance was required. If periodic maintenance is not performed, dust accumulates on the air filter and increases the airflow resistance of the intake air, which reduces the performance of the air conditioner and increases power consumption. .
  • the present invention has been made in view of the above-mentioned problems of the prior art, and it is extremely easy to clean and maintain an air filter, and to prevent an increase in power consumption while maintaining sufficient performance of an air conditioner. It is an object of the present invention to provide an air conditioner provided with an indoor unit having an automatic cleaning function of an air filter that can perform cleaning.
  • the present invention relates to an air conditioner having an indoor unit in which a heat exchanger and a fan that blows out the air heat exchanged by the heat exchanger into a room are housed in a main body.
  • An air filter attached to the main body on the upstream side, and the air filter A slidable suction nozzle having a suction port opposed to the filter for sucking dust attached to the air filter, a suction and exhaust device communicating with the suction nozzle to suck and discharge dust with air;
  • a suction duct communicating the device with the suction nozzle is provided, and a plurality of ventilation paths are provided in the suction nozzle.
  • the air filter can be cleaned automatically, and an increase in power consumption can be prevented while maintaining sufficient performance of the air conditioner.
  • a sufficient suction force can be obtained up to the tip of the suction nozzle, and the entire surface of the filter can be evenly cleaned with a small-output suction and exhaust device.
  • the width of the ventilation path having a large ventilation resistance is increased, the length of the intake port communicating with the ventilation path having the large ventilation resistance is reduced, or each of the plurality of ventilation paths is If a rectifying plate for restricting the ventilation path is provided, the ventilation resistance in the suction nozzle can be made even more uniform, and the dust collection efficiency will be improved.
  • an opening / closing device that sequentially opens and closes a plurality of ventilation paths is provided, it is possible to exhibit strong suction performance with a very small output of the suction / exhaust device.
  • the suction power is changed according to the amount of dust adhering to the air filter to suppress the power consumption to the minimum necessary. Even when a ventilation path with high ventilation resistance is created, sufficient cleaning of the air filter can be performed by increasing the suction force only when performing suction cleaning using the ventilation path.
  • the suction nozzle is provided with a partition wall extending between the suction port and the connection part of the suction duct, and the width of the through-hole formed in the partition wall or the area of the plurality of through-holes formed in the partition wall is separated from the connection part.
  • FIG. 1 is a front view of an indoor unit of the air conditioner according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view taken along line I-I in FIG.
  • FIG. 3 is a cross-sectional view taken along line ⁇ — ⁇ in FIG.
  • FIG. 4 is a perspective view of a filter device provided in the indoor unit of FIG.
  • FIG. 5 is a longitudinal sectional view of a suction nozzle provided in the filter device of FIG.
  • FIG. 6A is a side view of the suction nozzle provided in the indoor unit of the air conditioner according to Embodiment 2 of the present invention.
  • FIG. 6 ⁇ is a front view of the suction nose of FIG. 6 ⁇ .
  • FIG. 7A is a cross-sectional view along a line ⁇ _1 ⁇ in FIG. 6A showing a modification of the suction nozzle.
  • FIG. 7A is a sectional view taken along line m-m in FIG. 6A showing another modification of the suction nozzle.
  • FIG. 7C is a cross-sectional view taken along line nr-n [in FIG. 6A showing still another modified example of the suction nozzle.
  • FIG. 7D is a cross-sectional view along a line IE-II in FIG. 6A showing still another modified example of the suction nozzle.
  • FIG. 8 is a perspective view of a filter device provided in an indoor unit of an air conditioner according to Embodiment 3 of the present invention.
  • FIG. 9 is a side view of a suction nozzle provided in the filter device of FIG.
  • FIG. 10 is a side view showing a modified example of the suction nozzle.
  • FIG. 11 is a side view showing another modified example of the suction nozzle.
  • FIG. 12 is a side view showing still another modified example of the suction nozzle.
  • FIG. 13 is a side view of a suction nozzle provided in an indoor unit of an air conditioner according to Embodiment 4 of the present invention, and particularly shows a state where ventilation passage A is open.
  • FIG. 14 is a side view similar to FIG. 13, and particularly shows a state where the ventilation passage B is open.
  • FIG. 15 is a front view of a room unit of a conventional air conditioner.
  • FIG. 16 is a cross-sectional view taken along line IV-IV in FIG.
  • Embodiment 1 1 to 3 show an indoor unit of the air conditioner according to the first embodiment of the present invention.
  • FIG. 1 is a front view of the indoor unit
  • FIGS. 2 and 3 are each a line in FIG.
  • FIG. 2 is a cross-sectional view taken along line I-I and line ⁇ - ⁇ .
  • the indoor air is taken in through the heat exchanger 10 and the heat exchange 10, and the air exchanged by the heat exchange 10 is performed.
  • a fan 14 for blowing air into the room and a filter device 1 disposed upstream of the heat exchanger 10 are accommodated, and a plurality of filters formed from the front to the upper surface of the main body 11 are housed. Air is sucked in from the suction port (not shown) by the operation of the fan 14, and dust floating in the air is removed by the filter device 1 provided between the suction port and the heat exchanger 10.
  • the finoleter device 1 includes a finoleta frame 2, an air filter 5 attached to the
  • the suction nozzle 4 is slidable (in the horizontal direction: arrow A) and attached to the main body 11 on one side (the lower end in this embodiment) of the filter frame 2 and one end of the suction nozzle 4 keeps airtight.
  • a suction duct 3 slidably connected to the suction duct 3, a suction / exhaust device 6 connected to the suction duct 3 to suck and exhaust dust with air, and one end connected to the suction / exhaust device 6, and the other end open to the outside of the room.
  • An exhaust duct 7 is provided.
  • the suction nozzle 4 has a vertically elongated middle portion bent and extends in the vertical direction, and a slit-shaped suction port 4 a having a width of 2 to 3 mm is provided on the side facing the air filter 5. Is provided. Further, inside the suction nozzle 4, a plurality (for example, six) of suction ventilation passages 4 b that vertically separate the inside of the suction nozzle 4 are formed.
  • the driving means for sliding the suction nozzle 4 left and right includes a driving wire 8 connected to the suction duct 3 side of the suction nozzle 4 and a driving motor 9 for driving the driving wire 8. .
  • the filter frame 2 may be a part of the main body 11, and the air filter 5 is fixed to the main body 11.
  • the filter device 1 having the above configuration will be described below.
  • the suction / exhaust device 6 starts operating after the operation of the air conditioner is stopped, the air starts to be sucked in from the suction port 4 a of the suction nozzle 4 communicating with the suction duct 3.
  • the suction nozzle 4 located at one end of the air filter 5 is slid in the direction of arrow A toward the other end of the air filter 5 by the driving wire 8 connected to the drive motor 9.
  • the dust adhering to the surface of the air filter 5 is sucked and discharged from the exhaust duct 7 to the outside of the room.
  • the air sucked into the suction nozzle 4 passes through the plurality of suction air passages 4b provided therein, so that the suction force of the suction nozzle 4 is enhanced, and the dust suction efficiency is improved. That is, when there are no plurality of suction ventilation passages 4 b inside the suction nozzle 4, the wind speed at the suction port 4 a becomes closer to the connection between the suction nozzle 4 and the suction duct 3 (the lower end of the suction nozzle 4). The wind speed (therefore, the air volume is large), the wind speed (air volume) decreases as the distance from the connection between the suction nozzle 4 and the suction duct 3 decreases, but a plurality of suction air passages 4 b are provided inside the suction nozzle 4. With this arrangement, air is almost uniformly sucked into the suction nozzle 4 regardless of the vertical position of the suction port 4a.
  • FIGS. 6A and 6B show the suction nozzle 4 provided in the indoor unit of the air conditioner according to the second embodiment of the present invention.
  • the suction nozzle 4 has a suction port 4a and a suction port 4a.
  • a partition wall 4c extending in the vertical direction is provided between the connection part of the intake duct 3 and the partition wall 4c. The opening width of the partition wall 4c is small near the connection part of the suction duct 3, and as the distance from the connection part increases.
  • a gradually increasing through hole 4d is formed.
  • the through-hole 4 d whose opening width gradually increases upward is formed in the partition wall 4 c inside the suction nozzle 4.
  • the wind speed at 4 a becomes substantially uniform regardless of the distance from the suction duct 3, and the dust adhering to the entire surface of the air filter 5 can be efficiently sucked. Therefore, dust can be reliably absorbed with a small suction force.
  • the suction nozzle 4 becomes compact, and can be stored in a limited space of the indoor unit without lowering the air blowing performance.
  • FIG. 7A shows a modified example of the suction nozzle 4, in which a plurality (for example, three) of the through-holes 4d shown in FIG. The mouth is divided into 4d1.
  • FIG. 7B shows another modification of the suction nozzle 4, in which the width of the through-hole 4d2 is gradually increased as the distance from the connection between the suction nozzle 4 and the suction duct 3 increases.
  • FIG.7C shows still another modification of the suction nozzle 4, in which the width of the through hole 4d3 is gradually increased as the distance from the connection between the suction nozzle 4 and the suction duct 3 increases.
  • a partition 4e is provided at a portion where the width changes.
  • FIG. 7D shows still another modification of the suction nozzle 4, in which an elliptical through-hole 4d4 is used instead of the rectangular through-hole 4d3 shown in FIG. The distance increases from the connection between the suction nozzle 4 and the suction duct 3.
  • FIG. 6B or FIGS. 7A to 7D it is possible to use a through-hole other than that shown in FIG. 6B or FIGS. 7A to 7D.
  • the opening width or opening area is small near the connection between the suction nozzle 4 and the suction duct 3, and the connection The same effect can be obtained even if any shape is used as long as the shape increases as the distance from the lens increases.
  • FIG. 8 shows a filter device 1 provided in an indoor unit of an air conditioner according to Embodiment 3 of the present invention.
  • This filter device 1 is the same as the filter device 1 of Embodiment 1 or 2 described above.
  • the suction nozzle 4 and the suction / exhaust device 6 are connected by a bendable suction duct 15 instead of the suction duct 3 provided at the bottom.
  • the suction duct 15 has one end connected to the suction and exhaust device 6, and the other end connected to the opposite side surface at the lower end of the suction nozzle 4 when viewed from the suction and exhaust device 6.
  • the middle part is bent in a substantially U-shape.
  • the suction nozzle 4 The guide rails 16 installed at the upper and lower ends of the filter frame 2 allow the air filter 5 to move left and right smoothly with a very small gap.
  • the suction nozzle 4 located at one end side of the air filter 5 is moved by the horse movement wire 8 connected to the drive motor 9 by an arrow. Although it slides in the direction of A, the suction duct 15 that connects the suction nozzle 4 and the suction / exhaust device 6 is configured to bend freely. 5 is bent, and the suction nozzle 4 is always in communication with the bow suction I exhaust device 6 irrespective of its position.
  • the length of the suction duct 15 is set so that when the suction nozzle 4 is located on the other end side of the air filter 5, the suction duct 15 can be bent with some room.
  • FIG. 9 is a cross-sectional view showing the internal structure of the suction nozzle 4 in the present embodiment (a cross-sectional view of the suction nozzle viewed from the air filter 5 side).
  • a suction duct 15 is connected to the lower end of the suction nozzle 4.
  • the actual suction nozzle 4 is bent along the air filter 5 as shown in FIG. 8, but in FIG. 9, the suction nozzle 4 is shown in a straightened state for easy viewing. .
  • the inside of the suction nozzle 4 is separated into a plurality of ventilation passages by a plurality of distribution plates 22 from a slit-shaped suction port 4 a for sucking dust adhered on the air filter 5 and a suction duct.
  • Linked to 15 there are four ventilation paths, and the ventilation paths are B, C, and D in order from the ventilation path closer to the suction duct 15.
  • the wind speeds are V A , V B , V c , and V D , respectively. Since the suction cleaning performance of the air filter 5 largely depends on the wind speed, it is indispensable to equalize the wind speeds V A to V D and secure a sufficient wind speed.
  • the widths of the passages of the ventilation paths are assumed to be ta, tb, tc, and td. In the figure, white arrows indicate the flow of wind.
  • the resistance of the ventilation passage A close to the suction duct 15 is lower than the resistance of the other ventilation passages B, C, and D, so that the wind flow is concentrated in the ventilation passage A. Will be.
  • the wind speed V A is the highest, and the wind speed decreases in the order of V B , V c , and V D as approaching the tip of the suction nozzle 4.
  • the suction performance of dust adhering to the air finleter 5 largely depends on the wind speed of the suction port 4a, so that the cleaning ability decreases toward the tip of the suction nozzle 4.
  • the output of the suction bow I Therefore, a large-output sucker I exhaust system is required. Therefore, in the present embodiment, by providing the flow dividing plate 22, the resistance of the ventilation paths A to D is made uniform, and the wind speeds V A to V D are made uniform. As a result, it is possible to exert a sufficient suction force up to the tip of the suction nozzle 4 even with the low-power bow suction I exhaust device 6.
  • each of the ventilation passages A to D can be made fairly uniform by the distribution plate 22, the length of the ventilation passage from the suction port 4 a of each of the ventilation passages A to D to the suction duct 15 is still the same. (4) As the air passages A to D at the tip end become longer (that is, in the order of air passages 13, C, B, and A), a difference in airflow resistance between the air passages A to D occurs, so that the wind speeds V A to V D It is not completely uniform.
  • the dimension of the passage width td of the ventilation passage D having the large ventilation resistance is set to be the largest, and the ventilation passage width is set to tc, tb, and ta in the following order. It can be narrow. Since the resistance of the ventilation paths A to D with a large ventilation path width decreases, the wind speeds V A to V D should be made more uniform by setting the dimensions of ta, tb, tc, and td to be equal.
  • the suction I exhaust device 6 with a lower output can also exhibit a sufficient suction force up to the tip of the suction nozzle 4.
  • Fig. 10 shows a modified example of the suction nozzle 4.By increasing the width of the ventilation passage in the middle of the ventilation passages A to D, which have a large ventilation resistance, the ventilation resistance of the entire ventilation passage can be reduced. Furthermore, even with a small output suction / exhaust device 6, a sufficient suction I force can be exerted up to the tip of the suction nozzle.
  • FIG. 11 shows another modification of the suction nozzle 4, in which the ventilation resistance in each of the ventilation paths A to D is further reduced.
  • the wind speed of each of the ventilation passages A to D is made almost uniform, but the wind speed in each of the ventilation passages A to D (hereinafter referred to as the wind speed in the ventilation passage) is small. But there is a difference. For example, taking the ventilation path D in Fig. 9 as an example, even in the ventilation path D, the suction duct 15 having a low ventilation resistance, the wind velocity V D1 near 5 becomes larger than the wind velocity V D 2 near the tip of the suction nozzle 4. .
  • the number of shunt plates 22 is preferably set as small as possible within the allowable range of the difference in wind speed in the ventilation path.
  • the difference in wind speed in the ventilation path tends to be worse as the thickness of the ventilation path becomes smaller, so it is good if the thickness of the suction nozzle 4 is sufficient, but it is better to store it in the indoor unit. Therefore, when it is necessary to partially reduce the thickness of the suction nozzle 4, the ventilation resistance of the ventilation passage that flows through the thinned portion increases, and the difference in wind speed in the ventilation passage increases. Therefore, in order to keep the difference in air velocity in the ventilation path of the suction nozzle 4 within the allowable range with the minimum number of diversions, suction should be performed only on the ventilation path with a large ventilation resistance, that is, the ventilation path where the suction nozzle 4 becomes thin It is best to reduce the length of mouth 4a.
  • the total length of the suction nozzle 4 is 30 O mm s
  • the ventilation passage arranged in the section has the intake port 4a in the branch flow as short as 60 mm in length (about 2 mm in width).
  • FIG. 12 shows still another modified example of the suction nozzle 4, in which a rectifying plate for narrowing the ventilation passages is provided in each of the ventilation passages A to D.
  • the above configuration makes it possible to equalize the wind speed of each of the ventilation passages A to D of the suction nozzle 4, but it is possible to secure a necessary number of shunts due to dimensional restrictions of the suction nozzle 4. Flaws may cause a large difference in wind speed in the ventilation path.
  • FIG. 12 by providing a rectifying plate 23 for narrowing the ventilation passages A to D for each ventilation passage, it is possible to suppress a difference in wind speed in the ventilation passage.
  • the wind speed near the suction duct 15 is larger than the wind speed near the tip of the suction nozzle 4 due to the difference in ventilation resistance between the ventilation paths A to D. Therefore, by providing a rectifying plate 23 having an opening 24 near the center of each of the ventilation passages A to D, the ventilation resistance in the ventilation passage is made uniform, and the difference in wind speed in the ventilation passage is improved. Needless to say, it is better to set the position of the current plate 23 and the position of the opening 24 to an optimum position according to the shape of the ventilation path. With such a configuration, even with a limited number of shunts, it is possible to suppress the difference in wind speed in the ventilation passages D to D.
  • FIG. 13 shows a part of a filter device 1 provided in an indoor unit of an air conditioner according to Embodiment 4 of the present invention, and shows ventilation passages A to D of a suction nozzle 4 shown in FIG. Are provided with a ventilation passage opening / closing device for sequentially opening / closing.
  • the ventilation passage opening / closing device is provided at a connection portion between the suction nozzle 4 and the suction duct 15 and opens one of the ventilation passages A to D, while closing the other ventilation passages A to D.
  • a driven gear 26 provided on the ventilation path switching plate 25, a driving gear 27 mating with the driven gear 26, and a driving means 28 such as a stepping motor for driving the driving gear 27.
  • the ventilation path switching plate 25 is actuated by the driving means 28 via the driving gear 27 and the driven gear 26.
  • Fig. 13 shows the ventilation path A opened and the other ventilation 3 ⁇ 4B, C, D closed.
  • the ventilation path switching plate 25 is moved from the position in FIG. 13 to the position in FIG. 14 by the driving means 28, the ventilation path B is opened, and the other ventilation paths A, C, and D are closed.
  • the ventilation path C or the ventilation path D can be opened by sliding the ventilation path switching plate 25 by the driving means 28.
  • the power required by the suction and exhaust device 6 depends on the air volume as represented by the following equation.
  • W (qe XR) / (6.1 1 8 X ⁇ X TJ)
  • the four air passages A to D are sequentially opened by sliding the air passage switching plate 25 as appropriate, and air is sucked only from one air passage.
  • the air filter 5 can be suction-cleaned over the entire surface with a small air volume.
  • the blowing speed of the air passing through the air filter 5 is not uniform, the wind speed on the front side increases, and the amount of dust adhering to the air filter 5 in that portion also increases. That is, in FIG. 8, the amount of dust adhering to the range of P1 and P2 of the air filter 5 is larger than the range of P3 and P4. Therefore, in the present embodiment, when suction-cleaning the air filter 5 in a portion where a large amount of dust adheres, the output of the suction / exhaust device 6 is increased to ensure that the air filter 5 is cleaned. Exhaust device Increasing the output of 6 is not desirable because it not only increases power consumption but also accelerates the consumption of parts.)
  • the following table shows the suction output (suction fan rotation speed) and the suction wind speed for each ventilation path.
  • the air filter 5 is detachably attached to the filter frame 2, but the filter frame 2 may be a part of the main body 11, and the air filter 5 is fixed to the main body 11.
  • the suction / exhaust device 6 is started to operate after the air conditioner is stopped.However, the suction / exhaust device 6 is operated before or during the operation of the air conditioner. It may be.
  • the exhaust duct 7 is connected to the suction / exhaust device 6, and the dust sucked by the suction / exhaust device 6 is discharged to the outside of the room together with the air.However, the exhaust duct 7 is not necessarily required. .
  • a removable dust collecting case having a dust collecting net is provided in the suction and exhaust device 6, and the dust sucked by the suction and exhaust device 6 is collected by the dust collecting net, while the air sucked together with the dust is sucked and exhausted. Discharged from device 6 The dust collected by the dust collecting net can be removed by removing the dust collecting case from the suction and exhaust device 6.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Ventilation (AREA)

Abstract

Une unité d'intérieur d'un climatiseur contient un échangeur thermique et un ventilateur conçu pour souffler de l'air qui a été soumis à un échange thermique dans un échangeur thermique. Un filtre à air est installé dans l'unité sur le côté amont de l'échangeur thermique. Une tuyère d'aspiration présentant une ouverture d'aspiration opposée au filtre à air et aspirant la poussière adhérant au filtre à air est installée coulissante dans ladite unité, un dispositif d'aspiration/évacuation qui communique avec la tuyère d'aspiration et aspire/évacue la poussière associée à l'air est disposé dans l'unité, et des chemins de ventilation sont situés dans la tuyère d'aspiration.
PCT/JP2004/003616 2003-03-20 2004-03-18 Climatiseur ayant une unite d'interieur dotee d'une fonction de nettoyage automatique du filtre a air Ceased WO2004083735A1 (fr)

Priority Applications (3)

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JP2005503731A JPWO2004083735A1 (ja) 2003-03-20 2004-03-18 エアフィルタの自動清掃機能付き室内ユニットを備えた空気調和機
KR1020057017094A KR101088213B1 (ko) 2003-03-20 2004-03-18 공기 필터 자동 청소 기능을 갖춘 실내 유닛을 구비한 공기 조화기
CNB2004800074438A CN100338399C (zh) 2003-03-20 2004-03-18 具备带空气过滤器自动清扫功能的室内单元的空调机

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JPWO2006049244A1 (ja) * 2004-11-08 2008-05-29 松下電器産業株式会社 空気調和機
JP2009293823A (ja) * 2008-06-03 2009-12-17 Panasonic Corp 空気調和機
CN1766455B (zh) * 2004-10-26 2010-06-23 松下电器产业株式会社 空调机
EP1939544A4 (fr) * 2005-10-13 2011-04-13 Panasonic Corp Climatisation
JP2011185479A (ja) * 2010-03-05 2011-09-22 Daikin Industries Ltd 空気調和装置の室内ユニット
CN113272593A (zh) * 2019-01-18 2021-08-17 松下知识产权经营株式会社 气流环境系统

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KR100873399B1 (ko) 2007-08-29 2008-12-11 엘지전자 주식회사 공기조화기
KR100865130B1 (ko) * 2008-06-16 2008-10-24 (주)효진엔지니어링 댐퍼 개폐 구조
WO2018051737A1 (fr) * 2016-09-14 2018-03-22 パナソニックＩｐマネジメント株式会社 Système de montage de composant électronique et dispositif de montage de composant électronique

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Publication number Priority date Publication date Assignee Title
CN1766455B (zh) * 2004-10-26 2010-06-23 松下电器产业株式会社 空调机
JPWO2006049244A1 (ja) * 2004-11-08 2008-05-29 松下電器産業株式会社 空気調和機
EP1939544A4 (fr) * 2005-10-13 2011-04-13 Panasonic Corp Climatisation
JP2009293823A (ja) * 2008-06-03 2009-12-17 Panasonic Corp 空気調和機
JP2011185479A (ja) * 2010-03-05 2011-09-22 Daikin Industries Ltd 空気調和装置の室内ユニット
CN113272593A (zh) * 2019-01-18 2021-08-17 松下知识产权经营株式会社 气流环境系统

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JPWO2004083735A1 (ja) 2006-06-22
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KR20050114655A (ko) 2005-12-06
CN100338399C (zh) 2007-09-19

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