Classifications

• • 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
  • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
  • F24F1/0063—Indoor units, e.g. fan coil units 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
  • 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
  • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
• • 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
• • 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

Definitions

• the present invention relates to an air conditioner having a function of automatically cleaning an air filter provided in an air suction port of an indoor unit.
• an air filter is provided in front of the heat exchanger to prevent the intrusion of dust into the interior of the indoor unit. It is configured to be detachable so that it can be cleaned by hand.
• the filter device with such a configuration requires frequent maintenance and the air filter gradually clogs until the maintenance is performed. As a result, the amount of air passing through the heat exchanger decreases, The air conditioning capacity will decrease, leading to an increase in power consumption.
• Patent Document 1 Japanese Patent Laid-Open No. 2001-99479
• the present invention has been made in view of such problems of the prior art, and reduces the maintenance by automatically sucking and cleaning the entire surface of the air filter and reducing the size of the indoor unit body. Providing an air conditioner that does not impair the original basic performance even if set The purpose is that.
• the present invention provides an air conditioner having an indoor unit that blows out the air heat-exchanged by heat exchange into a room, and the dust of the air passing through the heat exchanger.
• An air filter for removing dust a slidable suction nozzle having a suction hole facing the air filter, for sucking dust attached to the air filter, and a suction device connected to the suction nozzle And the suction nozzle is stored in a storage portion formed at a position not overlapping the air filter when the air conditioner is in operation.
• the suction nozzle storage part can be provided in a filter frame constituting the air filter, and it is preferable that a positioning means for positioning the suction nozzle is provided in the suction nozzle storage part.
• the storage portion of the suction nozzle can be provided in front of the refrigeration cycle piping portion, or between the air filter and the power supply box provided inside the indoor unit main body.
• a dust separation member can be attached to the suction nozzle along the suction hole, and dust adhering to the air filter can be sucked from the suction hole while being scraped off by the dust separation member.
• the air filter is automatically cleaned by the suction nozzle, maintenance is reduced, and the suction nozzle must not overlap with the air filter during operation of the air conditioner.
• the suction nozzle By storing in the position, the basic performance of the air conditioner can be fully demonstrated.
• the filter device when the storage portion for the suction nozzle is provided in the air filter frame, the filter device can be easily assembled into the indoor unit main body, and the number of assembling steps can be reduced.
• the nozzle storage portion is provided with a suction nozzle positioning means, the suction nozzle can be securely stored at a predetermined position.
• the nozzle storage part is provided in front of the refrigeration cycle piping part or between the air filter and the power supply box, the product space can be effectively used, and the indoor unit body can be downsized. Monkey.
• the dust separation member when the suction nozzle is stored, if the dust separation member is set so as not to contact the surface of the opposing storage portion, the dust separation member can be maintained in a desired shape for a long period of time.
• the cleaning effect of the air filter is not reduced.
• FIG. 1 is a perspective view of a filter device provided in an indoor unit of an air conditioner according to the present invention, and particularly shows the filter device when stopped.
• FIG. 2 is another perspective view of the filter device of FIG. 1, particularly showing the filter device during cleaning.
• FIG. 3 is a cross-sectional view of the suction nozzle along line AA in FIG.
• FIG. 4 is a cross-sectional view of the suction nozzle along line BB in FIG.
• FIG. 5 is a perspective view of an air filter.
• FIG. 6 is a partially cutaway front view of the indoor unit.
• FIG. 7 is a sectional view taken along line CC in FIG.
• FIGS. 1 to 5 show a filter device of an air conditioner according to the present invention.
• an air filter 2 for removing dust from air passing through a heat exchanger is shown.
• a suction nozzle 3 that is supported and fixed to the filter frame 1 and movable along the surface of the air filter 2 is provided.
• the suction nozzle 3 can be smoothly moved to the left and right with a very narrow gap from the air filter 2 by a pair of guide rails 4 installed at the upper and lower ends of the filter frame 1.
• the driving means for the suction nozzle 3 in the left-right direction is not shown, the driving force by the motor is constituted by a transmission means such as a gear.
• a suction duct 5 is connected to the suction nozzle 3, and the other end of the suction duct 5 is connected to a suction device 6.
• the suction duct 5 is formed of a duct that can be bent so as not to interfere with the movement of the suction nozzle 3.
• an exhaust duct 7 is connected to the suction device 6 and is routed outside the room. Dust adhering to the air filter 2 is sucked by the suction nozzle 3 and then sucked in. It is discharged to the outside through the tatoo 5, the suction device 6, and the exhaust duct 7.
• the air filter 2 includes a filter bar 2a, a net 2b, and a horizontal bar 2c and a force.
• the suction nozzle 3 includes a nozzle 8 constituting a flow path of sucked air, a film 9 slidably attached so as to surround the nozzle 8, It comprises a gear 14 that supports the film 9 and transmits the driving force, and rollers 15a, 15b, and 15c for supporting the film 9 and smoothly driving it.
• a slit-like nozzle opening 10 having a length corresponding to the vertical length of the air filter 2 is provided on the surface of the nozzle 8 on the air filter 2 side.
• the film 9 is formed in a loop shape and attached to the outer periphery of the nozzle 8 so as to cover the nozzle opening 10, and the opening 16 facing the nozzle opening 10 is formed on the surface of the air filter 2 side. Supported by the film guide 17!
• the film 9 is provided with a slit-like suction hole 11, and the film 9 is attached so that the suction hole 11 faces the nozzle opening 10 and the air filter 2.
• a large number of drive holes are formed on both sides of the film 9 at equal intervals, and the film 9 slides freely in the vertical direction by slipping into the gear 14 force drive hole connected to the stepping motor. Now that you can move!
• the air volume sucked by the suction device 6 is concentrated in the suction hole 11, so that a strong wind speed can be generated in the suction hole 11 portion even with a small air volume.
• a strong suction force can be demonstrated with a small output. Dust on the air filter sucked by this strong suction force enters the nozzle 8 from the suction hole 11 through the nozzle opening 10, and then discharges outside through the suction duct 5, the suction device 6, and the exhaust duct 7. Is done.
• the suction nozzle 3 is driven left and right, the entire surface of the air filter 2 can be sucked and cleaned by changing the position of the suction hole 11 provided in the film 9 in the vertical direction.
• the suction nozzle 3 is set in a position that does not impair the basic performance of the air conditioner. That is, as shown in FIG. 1, after the suction nozzle I nozzle 3 sucks the air filter 2 and cleans it, the suction nozzle 3 is housed in a position where it does not overlap the air filter 2 (a position that does not oppose).
• the basic performance of the harmonic machine can be fully demonstrated. In other words, when the air conditioner is in operation, the suction nozzle 3 should not be overlapped with the air filter 2 and must be stored in a position so that the suction nozzle 3 is not obstructed during operation of the air conditioner. By setting so, the original basic performance of the air conditioner can be secured.
• FIGS. 1 and 2 show that the storage portion la of the suction nozzle 3 is provided in a part of the air filter frame 1 (the right end of the filter frame 1 in FIGS. 1 and 2), and this storage portion la is in operation of the air conditioner.
• the suction nozzle 3 is housed inside. This configuration can be easily incorporated into the indoor unit main body as a completed filter device shown in FIG. 1, and the number of assembly steps can be reduced.
• the storage portion la of the suction nozzle 3 is provided with positioning means 18 for the suction nozzle 3, and the storage position of the suction nozzle 3 during operation of the air conditioner is set to a predetermined position.
• the positioning means 18 is composed of, for example, a contact-type position sensor. After the air filter 2 is cleaned, the suction nozzle 3 moves to the storage portion 1a shown in FIG. An ON signal is output to a control device (not shown), and the control device stops the suction nozzle 3 at that position.
• the storage portion la of the suction nozzle 3 is provided between the air filter 2 and the power supply box 20 located at the end of the indoor unit body 21, and in FIG. As shown in the figure, it is provided in front of the refrigeration cycle pipe 19, and this configuration can effectively use the product space and can reduce the size of the indoor unit main body 21.
• dust attached to the air filter 2 is sucked into the suction hole 11 formed in the suction nozzle 3, but a dust separating member such as a brush is taken along the suction hole 11.
• a dust separating member such as a brush is taken along the suction hole 11.
• dust may be sucked into the suction hole 11 while dust is being scraped off from the air filter 2 by the dust separating member.
• the dust separating member is in the storage portion la. It is preferable to configure so that it does not contact the surface!
• the filter device of the air conditioner of the present invention can automatically suck and discharge dust adhering to the air filter, and can maintain the basic performance. Applicable to other uses

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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)
• Thermal Sciences (AREA)
• Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
• Filtering Of Dispersed Particles In Gases (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=36227652

Family Applications (1)

Country Status (5)

Cited By (2)

Families Citing this family (4)

Citations (6)

Family Cites Families (2)

• 2005
  • 2005-10-13 CN CNA2005800345839A patent/CN101040151A/zh active Pending
  • 2005-10-13 WO PCT/JP2005/018871 patent/WO2006046409A1/ja active Application Filing
  • 2005-10-13 JP JP2006520560A patent/JP4484875B2/ja not_active Expired - Fee Related
  • 2005-10-20 TW TW094136719A patent/TWI344531B/zh not_active IP Right Cessation
  • 2005-10-24 MY MYPI20054980A patent/MY141325A/en unknown
• 2009
  • 2009-04-03 JP JP2009091096A patent/JP5240020B2/ja not_active Expired - Fee Related

Patent Citations (6)

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