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
  • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
• • 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
  • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
  • F24F13/28—Arrangement or mounting 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
• • 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 is provided with an air filter 5 at the front of the heat exchanger 10 to prevent dust from entering the inside of the main body 11 as shown in Figs. Book
• the air filter 5 is detachably configured so that the 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 pinion 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 tilted 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 present invention relates to an air conditioner having an indoor unit in which a heat exchange unit and a fan that blows out the air exchanged by the heat exchange unit into a room are housed in a main body. And an air filter attached to the main body on the upstream side of the heat exchanger.
• a slidable suction nozzle having a suction port opposed to the filter for sucking dust attached to the air filter, a suction device communicating with the suction nozzle to suck and discharge dust with air; It is characterized in that it comprises a telescopic or bendable suction hose for communicating the device with the suction nozzle.
• the air filter can be automatically cleaned, so that the predetermined performance of the air conditioner can be maintained and an increase in power consumption can be prevented.
• one end of the flexible suction hose is connected to the suction and exhaust device, and the other end is connected to the side of the suction nozzle opposite to the suction nozzle when viewed from the suction and exhaust device. It is bent in a substantially u-shape.
• a lead wire for supplying electric power to the electrical components along the longitudinal direction of the surface of the suction hose.
• a plurality of wires constituting the lead wire are formed in a flat shape, If it is located at the outer periphery of the U-shaped bent part of the suction hose, the lead wire will also bend in accordance with the bending operation of the suction hose, and the lead wire can be easily pulled without applying excessive stress to the lead wire. Can be turned.
• the U-shaped bent portion of the suction hose does not come into frictional contact with the suction hose, so that it is difficult to break the wire.
• a guide groove for guiding the lead wire is provided below the suction hose, the lead wire does not shift with respect to the suction hose, and stable bending operation and storage can be ensured.
• a plurality of wires constituting the lead wire may be bound in a substantially circular shape so that the center line of the lead wire and the center line of the suction hose are aligned with each other. Since the lead wire is also bent in the same way, it can be safely routed without applying excessive force to both sides.
• 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. 5A is a longitudinal sectional view of a suction nozzle provided in the filter device of FIG.
• FIG. 5B is a partial cross-sectional front view of the suction nozzle of FIG. 5A.
• FIG. 6 is a perspective view of a filter device provided in an indoor unit of an air conditioner according to Embodiment 2 of the present invention.
• FIG. 7 is a perspective view showing a modification of the filter device.
• FIG. 8 is a perspective view of a suction hose provided in the filter device of FIG.
• FIG. 9 is a front view of a bent portion of the suction hose of FIG.
• FIG. 10 is a sectional view showing a modification of the suction hose.
• FIG. 11 is a perspective view showing another modification of the suction hose.
• FIG. 12 is a front view of a room unit of a conventional air conditioner.
• FIG. 13 is a sectional view taken along a line III-m in FIG.
• FIG. 1 to 3 show an indoor unit of an air conditioner according to a first embodiment of the present invention.
• FIG. 1 is a front view of an indoor unit
• FIGS. 2 and 3 are lines in FIG. 1, respectively.
• FIG. 2 is a cross-sectional view taken along line I-I and line ⁇ - ⁇ .
• the main body 11 of the indoor unit includes a heat exchanger 10 and a fan 14 for taking in indoor air through the heat exchanger 10 and blowing out the heat-exchanged air. It incorporates a filter device 1 arranged upstream of heat exchange ⁇ 10. As shown in FIG. 4, the filter device 1 includes a filter frame 2 provided between the main body 11 and the heat exchanger 10 and an air removably attached to the filter frame 2 and flowing into the main body.
• An air filter 5 that removes dust contained therein; a suction nozzle 4 that is provided between the air filter 5 and the main body 11 and is slidable left and right (in the direction of arrow A) facing the air filter 5;
• a suction hose 3 having an elastic bellows structure connected to the lower end of the suction nozzle 4, a suction device 6 connected to the other end of the suction hose 3, and one end connected to the suction side of the bow I exhaust device 6.
• An exhaust duct 7 is connected and the other end is open to the outside of the room.
• the lower end of the suction nozzle 4 is connected to a drive motor 9 via a drive wire 8.
• the upper end and lower end of the suction nozzle 4 are in sliding contact with the upper rail 12 and the lower rail 13 formed integrally with the filter frame 2.
• the suction nozzle 4 has an intermediate portion bent so as to match the shape of the air filter 5, and the suction nozzle 4 has a slit facing the air filter 5.
• a suction port 4a that opens in a shape is formed.
• the suction / exhaust device 6 After the operation of the air conditioner is stopped, when the suction / exhaust device 6 starts operating, the air starts to be sucked in from the suction port 4 a of the suction nozzle 4 communicating with the suction hose 3. Then, the suction nozzle 4 located at one end of the air filter 5 slides 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. Dust adhering to the surface of the air filter 5 is absorbed and discharged from the exhaust duct 7 to the outside of the room.
• FIG. 6 is a perspective view of a filter device 1 provided in an indoor unit of an air conditioner according to Embodiment 2 of the present invention.
• This filter device 1 connects a suction nozzle 4 and a suction / exhaust device 6.
• a flexible suction hose 3 is provided. One end of the suction hose 3 is connected to the suction / exhaust device 6, and the other end is connected to the opposite side surface at the lower end of the suction nozzle 4 as viewed from the suction / exhaust device 6.
• the part is bent in a substantially U-shape.
• the suction nozzle 4 located at one end of the air filter 5 is moved in the direction of arrow A by the driving wire 8 connected to the driving motor 9.
• the suction hose 3 connecting the suction nozzle 4 and the suction and exhaust device 6 is configured to bend freely, the suction nozzle Since the suction hose 3 is bent with the sliding of the nozzle 4, the suction nozzle 4 is always in communication with the suction and exhaust device 6 regardless of its position.
• the length of the suction hose 3 is set such that when the suction nozzle 4 is positioned at the other end of the air filter 5, the suction hose 3 can be bent with some room.
• FIG. 7 shows a modification of the filter device 1
• FIG. 8 shows the suction hose 3 provided in the filter device 1 of FIG. .
• the suction hose 3 is provided with a lead wire 15 for supplying electric power to an electric component (not shown) provided in the suction nozzle 4.
• the plurality of wires 15 a constituting the lead wire 15 are integrally formed in a flat shape, and are located along the longitudinal direction of the suction hose 3 and at the outer periphery of the U-shaped bent portion 3 a of the suction hose 3. are doing.
• the motor that drives the opening / closing adjustment means provided to change the size of the suction port 4a so that dust can be sucked in efficiently, and the dust adhering to the air filter 5 are removed. It is a motor for rotating the rotating brush provided to take it.
• the suction nozzle 4 located at one end of the air filter 5 is moved in the direction of arrow A by the driving wire 8 connected to the driving motor 9. Slide.
• the lead wire 15 for the electrical component is provided so as to be in contact with the suction hose 3, the lead wire 15 also bends in accordance with the bending operation of the suction hose 3.
• the lead wire 15 can be made thinner and can be routed in a small space.
• FIG. 10 shows another modified example of the suction hose 3, in which a guide groove 16 for a lead wire 15 is provided below the suction hose 3.
• the suction hose 3 On the other hand, the lead wire 15 does not shift in the horizontal direction (the front-rear direction of the indoor unit), ensuring stable bending operation and storage, and the lead wire 15 comes off and is caught by other mechanical parts. There is no disconnection.
• Fig. 11 shows yet another modified example of the suction hose 3, in which a plurality of wires 15a constituting the lead wire 15 are formed in a plurality of places with a retaining ring 17 so as to be as circular as possible. It is a unity.
• the reed spring 15 is set on the side ⁇ (front side) of the suction hose 3 so that the center line of the suction hose 3 and the center line of the lead wire 15 coincide when viewed from the front.
• the lead wire 15 also bends in the same way in response to the bending operation of the suction hose 3, so that it can be safely routed without applying excessive force between the multiple wires 15a. is there.
• 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 air filter 6 is detachably attached to the main body 11, dust, oil, and the like that cannot be removed by the suction cleaning operation of the suction nozzle 4 can be easily cleaned.
• the suction / exhaust device 6 is started to operate after the operation of the air conditioner is stopped, but the suction / exhaust device 6 is operated before or during the operation of the air conditioner. Is also good.
• the exhaust duct 7 is connected to the suction / exhaust device 6, and the dust sucked by the suction / exhaust device 6 is exhausted to the outside of the room together with the air.However, the exhaust duct 7 is not necessarily provided. .
• 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.
• the dust collected by the dust collecting net can be removed by removing the dust collecting case from the bow I exhaust device 6.

Landscapes

• 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)
• Filtering Of Dispersed Particles In Gases (AREA)

Priority Applications (3)

Applications Claiming Priority (6)

Publications (1)

Family

ID=32995591

Family Applications (1)

Country Status (4)

Cited By (7)

Families Citing this family (14)

Citations (2)

• 2004
  • 2004-03-11 CN CNB2004800066855A patent/CN100385175C/zh not_active Expired - Fee Related
  • 2004-03-11 KR KR1020057016670A patent/KR101100474B1/ko not_active IP Right Cessation
  • 2004-03-11 JP JP2005503573A patent/JP4350705B2/ja not_active Expired - Fee Related
  • 2004-03-11 WO PCT/JP2004/003200 patent/WO2004081461A1/ja active Application Filing

Patent Citations (2)

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