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
  • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
  • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
• • 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
  • 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
  • F24F13/28—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
  • 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
  • F24F7/08—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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
• • 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 capable of automatically cleaning an air filter.
• the air conditioner according to the present invention can be applied to equipment installed in an environment that can be exhausted outdoors, other than the air conditioner.
• the air filter is configured to be detachable so that the attached dust can be cleaned.
• the air filter can be removed from the indoor unit of the air conditioner in a relatively short period in accordance with the frequency of use of the air conditioner, and the air filter can be washed or washed. Maintenance work was required to clean the dust attached with a vacuum cleaner, etc., and there was a problem that it took a lot of trouble and time.
• a belt-shaped air filter 51 is inserted into a room. Feed-out z arranged on the upper and lower parts of the inner machine
• the air filter 5 1 and 5 8 are wound around the suction unit 5 7 and 5 8 from the back, and one shaft 5 3 is driven to rotate by a motor 5 4 or the like. Is configured to be movable up and down.
• a cleaning brush 55 for cleaning dust adhering to the air filter 51 is provided near the lower end of the location where the air filter 51 is disposed, and a cleaning brush 55 below the cleaning brush 55 is provided.
• a dust box 56 for collecting dust removed by the cleaning brush 55 is provided.
• the air filter 51 to which dust adheres can be wound up. Since the cleaning operation of the air filter 51 is performed, it is not necessary to remove the air filter 51 and wash it with water.
• the present invention relates to an air conditioner that sucks and exhausts indoor air, wherein the suction nozzle has a suction hole that sucks dust attached to the indoor unit, and is provided in the indoor unit.
• the said sucking 4 013404 1-3 Equipped with an air intake / exhaust device connected to the intake nozzle and inhaling the air from the intake nozzle, and an exhaust duct connected to this air intake / exhaust device at one end and the other end communicating outside the room It is characterized by.
• the present invention provides an intake / exhaust device disposed on a side surface inside an indoor unit, wherein the intake / exhaust device is a centrifugal intake / exhaust fan rotated by an intake / exhaust motor, and a casing accommodating the intake / exhaust fan.
• a suction cover provided integrally with the casing on the windward side of the casing, wherein the suction cover has a connection port for a suction duct connected to a suction nozzle and a suction port for a suction / exhaust fan. Is formed so that it is open to one side and faces the outer surface of the suction duct connection port and the outer circumference of the suction port to the suction and exhaust fan when viewed from the side. It is characterized by being formed in.
• a suction cover is provided integrally with the casing on the windward side of the casing.
• the suction duct connection port connected to the suction duct and the suction port to the suction / exhaust fan are formed so as to open and face one side, and the outer peripheral part of the suction duct connection port when viewed from the side And the outer periphery of the suction port to the suction / exhaust fan are gently connected to form a flow path.
• the air containing dust from the duct is sucked into the casing at a good flow rate inside the suction cover and the sucked dust does not stay in a part of the suction cover, and is discharged well outside the room. .
• the present invention provides that the casing and the suction cover are formed in a flat shape having a small thickness in the left-right direction while extending vertically and depthwise on the side surface inside the indoor unit. Special.
• the present invention is characterized in that a ventilation opening is formed in the suction cover and an opening / closing means for opening and closing the ventilation opening is provided.
• the present invention is characterized in that the ventilation opening is formed on the upper part of the suction cover.
• the ventilation opening is located above the suction cover.
• the ventilation air flows vertically from the top of the suction cover to the casing of the centrifugal fan, so that dust contained in the ventilation air does not stay in the suction cover ⁇ casing. Therefore, it is possible to prevent the flow path between the suction cover and the casing from becoming narrow, thereby preventing an increase in airflow resistance, and to maintain a good suction state.
• the present invention is to make the rotation speed of the centrifugal fan different between the time of the dust suction operation in which the ventilation opening is closed and the dust is sucked and the time of the ventilation operation in which the ventilation opening is opened and the room air is sucked. It is characterized in that
• the present invention is characterized in that an air filter is arranged facing the suction unit of the indoor unit, and the suction nozzle is configured to be movable in the lateral direction along the air filter along the windward surface of the air filter.
• the dust adhering to the air filter is sucked into the suction nozzle through the suction hole together with the air by operating the suction and exhaust device while moving the suction nozzle along the windward surface of the air filter.
• the dust sucked from the suction duct into the suction / exhaust device is discharged outside through the exhaust duct together with the air.
• the present invention is characterized in that the centrifugal intake and exhaust fan is a sirocco fan.
• a sirocco fan which is known as a high air volume and low noise type fan, the size of the air intake and exhaust device can be reduced, and the noise can be reduced even at a high speed.
• the present invention is characterized in that the centrifugal intake / exhaust fan is a radial fan.
• the radial fan can achieve lower noise than the sirocco fan even when the load is large, so that the operation noise of the suction and exhaust device when removing dust from the air filter can be reduced. .
• the dust which adhered to the indoor unit can be automatically discharged
• a centrifugal intake / exhaust fan with a built-in intake / exhaust motor or provide a suction cover integrally with the casing on the windward side of the casing, and connect the suction cover to the suction duct connected to the suction duct.
• the suction and exhaust device can be configured compactly, and the dust stays in the suction cover casing. It can be discharged to the outside of the room satisfactorily.
• FIG. 1 is a front external view of an indoor unit of an air conditioner according to a first embodiment of the present invention
• Fig. 2 is a cross-sectional view of the indoor unit taken along line I-I in Fig. 1
• Fig. 3 is a cross-sectional view of the indoor unit taken along line II-II in Fig. 1
• Fig. 4 is an air filter of the indoor unit. Structure for evening and its cleaning mechanism Perspective view,
• Fig. 5 is a simplified side view of the air intake and exhaust device provided in the indoor unit
• Fig. 6 is a perspective view of the air intake and exhaust device
• Fig. 7 is a schematic front sectional view of the intake and exhaust device
• FIG. 8 is a side sectional view of an indoor unit of an air conditioner according to a second embodiment of the present invention.
• FIG. 9 is a perspective view of an intake and exhaust device in the indoor unit of the air conditioner
• FIG. 10 is a schematic front sectional view of the intake and exhaust device
• FIG. 11 is a diagram conceptually showing an intake / exhaust device and a control unit in an indoor unit of an air conditioner according to a third embodiment of the present invention
• FIG. 12 is a side sectional view of an air intake / exhaust device of an indoor unit of an air conditioner according to a fourth embodiment of the present invention.
• Figure 13 is a cross-sectional view of a conventional air conditioner indoor unit
• FIG. 14 is a perspective view showing a structure of an air filter and a cleaning mechanism of the indoor unit of the conventional air conditioner.
• the indoor unit 1 of this air conditioner is provided with a frame 2 forming both side surfaces and a bottom surface, and a mesh filter provided on the front and top surfaces of the indoor unit 1.
• the main outer shell is composed of an air filter 8 with a large number of parts 8a fitted into the filter frame 8b, and an outer panel 4 attached to the front and upper of the air filter 8 so as to be openable and closable. ing.
• suction units 5 and 6 are formed to suck indoor air, and a blowing unit 7 is formed in the lower front.
• the heat exchanger 9 including the air filter 8 and the two heat exchangers 9A and 9B and the cross-floor fan are provided. Fan 10 is disposed. Then, the air sucked from the suction sections 5 and 6 by the blower fan 10 passes through the air filter 8, is cooled or heated by the heat exchanger 9, and is blown out from the blowout section 7.
• One heat exchanger 9A is arranged from above the blower fan 10 to the front so as to surround the blowout part 7, and the other heat exchanger 9B is arranged from the upper part of the blower fan 10 to the rear.
• a rear guide 11 is provided near the back of the indoor unit 1 and a stabilizer 12 is provided at the end of the water tray 13 in order to make the air blow by the blower fan 10 smooth. I have.
• 14 is a wind direction changing blade.
• a suction / exhaust device 30 for sucking and discharging dust adhered to the air filter 8 is installed near the side surface inside the indoor unit 1.
• a suction nozzle 16 is connected to a suction side portion (suction duct connection port 31) of the suction / exhaust device 30 via a bellows-shaped suction duct 15 and a suction / exhaust device.
• An exhaust duct 17, the tip of which is communicated outside, is connected to the 30 outlet side (exhaust duct connection port 32).
• the suction nozzle 16 is formed so as to extend in the depth direction and the vertical direction so as to face the windward surface of the air filter 8, and has a deep end and a lower end formed by the air filter 8.
• Guide grooves 8c and 8d formed at the upper back end and lower end of filter frame 8b It is guided to move left and right in a posture along the windward side of the air filter.
• the lower portion of the suction nozzle 16 is screwed to a screw shaft 18 arranged to extend left and right, and the transmission gear 19,
• a plurality of suction holes 16 a are formed side by side from the upper surface to the front surface of the air filter 8. It is configured so that dust from the air filter 8 can be sucked through the suction hole 16a.
• the suction duct 15 that connects the suction nozzle 16 to the suction duct connection port 31 of the suction / exhaust device 30 is partially bent to allow air suction and exhaust regardless of the position of the air filter 8 in the left-right direction.
• the suction passage to the device 30 is formed favorably.
• the intake / exhaust device 30 includes a centrifugal intake / exhaust fan 34 driven by an intake / exhaust motor 33,
• the inlet port 38 is formed so that both sides are open to one side, and the outer peripheral part 31 a of the suction duct connection port 31 and the intake / exhaust fan 3 4 are viewed from the side. Formed in a flow path shape that smoothly connects the outer peripheral portion 38a of the intake port 38 to the intake port 38 (for example, a crankshaft that looks at the crankshaft connecting pistons of various engines from the side). Have been.
• the outer peripheral portion 31a of the suction duct connection port 31 and the outer peripheral portion 38a of the suction port 38 to the intake / exhaust fan 34 are linearly and smoothly connected.
• the present invention is not limited to this case, and it may be connected more smoothly by a curve.
• the flow path from the suction duct connection port 31 to the suction port 38 to the suction and exhaust fan 34 is arranged so as to extend diagonally upward. Further, the exhaust port provided at the lower portion of the casing 35 is extended in the direction as it is to form an exhaust duct connection port 32, and the exhaust duct connection port 32 is formed.
• the suction / exhaust motor 33 and the nozzle driving motor 21 are driven by performing a predetermined operation (for example, pressing a cleaning button). Let it. Then, with the intake / exhaust device 30 operating, the suction nozzle 16 moves along the windward surface of the air filter 8, and at this time, dust adhering to the air filter 8 is sucked together with air into the suction hole. The dust sucked into the nozzle 16 through the 16a, and the dust sucked into the suction / exhaust device 30 from the suction duct 15 is discharged to the outside of the room together with the air through the exhaust duct ⁇ 7.
• a predetermined operation for example, pressing a cleaning button
• the dust from the air filter 8 can be automatically discharged to the outside of the room, and the cleaning work of the dust does not need to be performed by a person, thereby achieving a maintenance-free operation.
• the use of the centrifugal intake / exhaust fan 34 which sucks in from the center and exhausts from the outer periphery while utilizing centrifugal force, is used as the intake / exhaust device 30 to reduce noise. be able to.
• a suction cover 36 is provided integrally on the windward side of the casing 35, and this suction cover 36 is connected to the suction duct connection port 31 and the suction port 38 of the suction duct 34 to the suction and exhaust fan.
• the suction duct connection port 31 and the suction port 38 are smoothly connected to each other when viewed from the side.
• the air containing dust from the suction duct 15 has a good flow velocity in the suction cover 36, and the dust sucked from the air filter 8 does not stay in a part of the suction cover 36. It is sucked into 35 and discharged well out of the room.
• the casing 35 and the suction cover 36 may be formed in a flat shape with a small thickness in the left-right direction, or the suction / exhaust motor 33 may be incorporated in the suction / exhaust fan 34 to arrange the suction.
• the exhaust device 30 can be compactly housed in the side surface of the indoor unit 1, and it does not protrude into the heat exchange flow path, thereby minimizing the size of the indoor unit 1. Can be suppressed.
• the intake / exhaust device 30 can be reduced in size and rotated at a high speed. Is also suitable for indoor unit 1 because it has low noise.
• the indoor unit 1 in this air conditioner differs from the indoor unit 1 of the first embodiment in the following points. That is, in the indoor unit 1 of the air conditioner, a ventilation opening 40 is formed at a part of the suction cover 36 of the intake / exhaust device 30, here, at the top, and the ventilation opening 40 is formed.
• An opening / closing body 41 for opening / closing 0 is provided in the indoor unit 1 of the air conditioner.
• the opening / closing body 41 is rotated by opening / closing drive means 42 provided with an opening / closing motor or the like.
• the opening / closing body 41 is substantially horizontal, and the closing position in which the ventilation opening 40 is closed is closed. It is designed to rotate over an open position in which the ventilation opening 40 is opened. Further, the rotation control signal for driving the intake / exhaust fan 34 is the same whether the opening / closing member 41 is in the closed position or the open position.
• the opening / closing body 41 is rotated to the open position by driving the opening / closing drive means 42 and the ventilation opening 40 of the suction cover 36 is opened.
• the air in the room that has flowed into the indoor unit 1 is sucked in, and the air sucked into the casing 35 from the suction cover 36 by the intake / exhaust fan 34 of the air intake / exhaust device 30 is discharged into the exhaust duct 1 It is discharged outside from room 7.
• it is possible to ventilate the room by discharging the air that has become dirty inside the room to the outside.
• the ventilation opening 40 is provided above the suction cover 36, the ventilation air flows vertically through the casing 35 of the suction and exhaust fan 34 from above the suction cover 36. Flows like so. As a result, it is possible to prevent dust and the like contained in the ventilation air from staying in the casing 35 inside the suction cover 36. As a result, it is possible to prevent the flow path in the suction cover 36 and the casing 35 from becoming narrow due to the accumulation of dust, thereby preventing an increase in airflow resistance and maintaining a good suction state.
• the ventilation opening 40 may be provided at the front or rear of the suction cover 36.However, in this case, some measures must be taken to prevent dust from staying inside, or cleaning must be performed. Need to be
• the single suction / exhaust device 30 can perform both the dust suction operation and the ventilation operation. Therefore, each of the dust suction / exhaust device and the ventilation suction / exhaust device is separately provided. Compared to the case where the device is provided, the housing space can be reduced and the manufacturing cost can be reduced.
• FIG. 11 is a diagram conceptually showing an air intake / exhaust device in an indoor unit of an air conditioner according to a third embodiment of the present invention.
• the indoor unit 1 of the air conditioner is provided with a control unit 43 that controls the number of rotations of the intake and exhaust motor 33 that rotates the intake and exhaust fan 34.
• This control unit 4 3 has a ventilation opening 4 PT / JP2004 / 013404
• the number of rotations of the intake / exhaust fan 34 is different between the time of the dust suction operation that closes 0 and sucks dust, and the time of the ventilation operation that opens the ventilation opening 40 and sucks indoor air.
• the air is sucked and exhausted only from the suction nozzle 16, and the air is sucked and exhausted compared to the case where air is sucked and exhausted from the suction nozzle 16 and the ventilation opening 40. Since the load on the fan 34 increases, increase the rotation speed of the intake and exhaust fan 34.
• the suction hole 16 of the suction nozzle 16 is not limited to this.
• the optimal rotation speed may be set in accordance with the total opening area of the suction opening 36 and the opening area of the ventilation opening 40 of the suction cover 36.
• FIG. 12 is a side sectional view of an indoor unit of an air conditioner according to a fourth embodiment of the present invention.
• a radial fan is used as the centrifugal intake / exhaust fan 34.
• the radial fan can achieve lower noise than the sirocco fan even when the power and the load are large.
• the operation noise of the suction / exhaust device 30 when removing dust from the device 8 can be reduced.
• a centrifugal fan such as a sirocco fan or a radial fan
• a plurality of intake / exhaust devices 30 are required in terms of high air volume, low noise, miniaturization, and the like.
• the present invention is not limited to this, and it is also possible to use an axial flow fan or a mixed flow fan other than the centrifugal type.
• the present invention is not limited to this, and the suction force from the suction nozzle 16 is increased. By doing so, it is possible to remove dust from the air filter 8 without moving the suction nozzle 16, and furthermore, it is possible to remove dust adhering to the indoor unit 1 without providing the air filter 8. It is also possible to inhale and discharge it outside the room.

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

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=34308607

Family Applications (1)

Country Status (4)

Cited By (17)

Families Citing this family (6)

Citations (2)

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• 2004
  • 2004-09-08 JP JP2005513944A patent/JP3923067B2/ja not_active Expired - Fee Related
  • 2004-09-08 CN CNB2004800224558A patent/CN100416167C/zh not_active Expired - Fee Related
  • 2004-09-08 WO PCT/JP2004/013404 patent/WO2005026623A1/ja active Application Filing
  • 2004-09-08 KR KR1020067003198A patent/KR101049433B1/ko not_active IP Right Cessation

Patent Citations (2)

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