JP2009293823A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of enhancing cleanability when cleaning automatically an air filter, and free from a nervous operation noise during the cleaning. <P>SOLUTION: This air conditioner is provided with a heat exchanger 21, the air filter 2 for collecting dust contained in air passed through the heat exchanger 21, a suction nozzle 3 movable along an upstream surface of the air filter 2 and for sucking the dust, a suction duct 5 connected to a connection port 11 provided in the suction nozzle 3 and for conveying the dust sucked by the suction nozzle 3, and a suction device (not shown in the figure) connected to the suction duct 5 and for suction-discharging the dust, and the connection port 11 is provided in a longitudinal-directional substantially central part of the suction nozzle 3. A suction force is uniformized thereby, unevennesses of the suction force and the operation noise are improved in suction cleaning, the cleanability is enhanced and the operation noise is improved in the cleaning, so as to provide the air conditioner capable of attaining a comfortable environment. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an air conditioner, and more particularly, to an air conditioner having a function of automatically cleaning an air filter.

  Conventionally, this type of air conditioner has been provided with an air filter on the front of the heat exchanger to prevent dust from entering the inside of the air conditioner body, and sucks dust adhering to the air filter. A filter device is provided that automatically sucks and cleans by sucking with a nozzle, transporting sucked dust through a suction duct, and sucking and discharging the dust with a suction device.

  The nozzle body of the suction nozzle that sucks dust is provided with a suction nozzle opening for sucking dust, and a film that moves freely with respect to the nozzle body is placed on the loop around the longitudinal direction of the nozzle body. A suction opening shorter than the opening length of the suction nozzle opening is provided along the suction nozzle opening at a position opposite to the suction nozzle opening of the film that is wound. For each reciprocating operation, the suction port of the film is sequentially moved to suck and clean the entire surface of the air filter (see, for example, Patent Document 1).

  FIG. 7 is a cross-sectional view of a conventional air conditioner described in Patent Document 1, and FIG. 8 is a developed rear view of a suction nozzle of the air conditioner.

  7 and 8, the conventional air conditioner includes a main body 20, a heat exchanger 21, an air filter 2, a suction nozzle 3, a suction duct 5, a suction device (not shown), and a nozzle body. 8, film 9, suction nozzle opening (not shown), suction port 10, connection port 11, filter device 23, panel 31, support arm 32, gear 33, and panel drive device 34. And the fan 22.

A support arm 32 that holds the panel 31, a panel drive device 34, and a gear 33 that connects the support arm 32 and the panel drive device 34 are disposed on the upper front side of the main body 20. For this reason, a space for providing the connection port 11 for connecting the suction duct 5 to the suction nozzle 3 in the vicinity of this place cannot be secured, and the connection port 11 is provided in the lower part of the suction nozzle 3.
JP 2006-97920 A

  However, in the configuration of the conventional air conditioner, since the suction duct 5 that is connected to a suction device that sucks dust and conveys dust is provided at the lower end of the suction nozzle 3, the suction port 10 is near the upper portion of the suction nozzle 3. In the case of being located in the vicinity of the lower part and in the case of being located in the vicinity of the lower part, there is a problem in that the suction force at the suction port 10 is strong and weak, and the sound at the time of suction is changed to be annoying.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide an air conditioner that improves unevenness in suction force and operation sound during suction cleaning of an air filter and creates a more comfortable environment. .

  In order to solve the conventional problems, an air conditioner of the present invention includes a heat exchanger, an air filter that collects dust contained in the air passing through the heat exchanger, and an upstream surface of the air filter. A suction nozzle that is movable along the suction port, sucks the dust, is connected to a connection port provided in the suction nozzle and transports the dust sucked by the suction nozzle, and is connected to the suction duct to remove the dust. A suction device that sucks and discharges, and the connection port is provided at a substantially central portion in the longitudinal direction of the suction nozzle, whereby the suction force is made uniform, and suction force and operation sound during suction cleaning are achieved. It is possible to improve the unevenness of the air conditioner, improve the cleanability and improve the operation sound during cleaning, and provide an air conditioner that creates a more comfortable environment.

  The air conditioner of the present invention can provide an air conditioner that can improve the cleanability in automatic cleaning of the air filter and that does not bother the operation noise during cleaning.

  The first invention is a heat exchanger, an air filter that collects dust contained in the air passing through the heat exchanger, and a suction that sucks the dust that is movable along the upstream surface of the air filter. A nozzle, a suction duct that is connected to a connection port provided in the suction nozzle and conveys dust sucked by the suction nozzle, and a suction device that is connected to the suction duct and sucks and discharges the dust. Is provided at the substantially central portion in the longitudinal direction of the suction nozzle, whereby the suction force is made uniform, and it is possible to improve the unevenness of the suction force and the operation sound during the suction cleaning. It is possible to improve the operation sound and improve the operation sound during cleaning, and it is possible to provide an air conditioner that creates a more comfortable environment.

  In the second invention, in particular, the suction duct according to the first invention is disposed near the upper portion on the front side of the main body of the air conditioner, and the suction duct can be compactly accommodated in the main body of the air conditioner. As a result, the air conditioner can be downsized.

  In particular, the air filter of the second invention, the suction nozzle, the suction duct, and the suction device constitute a filter device, and the support member that holds the suction duct is attached to the filter device or the main body. Even if the suction duct is formed of a flexible and flexible member, the suction duct can be prevented from coming into contact with the air filter or the suction nozzle.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 is a cross-sectional view of an air conditioner according to a first embodiment of the present invention, FIG. 2 is a front view of the air conditioner, and FIG. 3 is a cross-sectional view illustrating an operating state of the air conditioner. 4 is a perspective view showing a configuration example of a filter device of the air conditioner, and FIG. 5 is a perspective view showing a configuration example of a suction nozzle of the air conditioner. In addition, the same code | symbol is attached | subjected to the same part as the said conventional air conditioner, and the description is abbreviate | omitted.

  1-5, the heat exchanger 21 is provided in the main body 20 of the air conditioner 30 in this Embodiment, and the ventilation path 25 used as the air flow path is formed. A fan 22 is disposed in the air passage 25 and sucks indoor air from a suction port 28 formed from the front surface to the upper surface of the main body 20 and generates a flow of air blown out from the air outlet 24. Moreover, the blower outlet 24 includes left and right blades 26 that change the direction of the blown air to the left and right directions, and upper and lower blades 27 that change the direction of the blown air to the vertical direction. Further, a substantially L-shaped filter device 23 is disposed between the suction port 28 formed from the front surface to the upper surface of the main body 20 and the heat exchanger 21.

  The air conditioner 30 includes a panel 31 that opens and closes the suction port 28 on the front side, a support arm 32 that holds the panel 31, and a panel drive device 34 that drives the support arm 32 to open and close the panel 31. As shown in FIG. 3, when the air conditioner 30 is in operation, the panel 31 is spaced apart from the main body 20 and opens the front-side suction port 28.

  As shown in FIG. 4, the filter device 23 is collected by the filter cloth 1, the air filter 2 that collects dust in the air that is formed in the filter cloth 1 and passes through the heat exchanger 21, and the air filter 2. A suction nozzle 3 for sucking dust, a suction duct 5 for transporting dust sucked by the suction nozzle 3, a suction device 6 for sucking and discharging the dust, and an exhaust duct 7 for discharging the dust to the outdoors. ing.

  The suction nozzle 3 is supported by guide rails 4 installed at the upper and lower ends of the filter case 1 and can move to the left and right with a very narrow gap from the air filter 2. Here, the suction nozzle 3 is driven left and right by a drive motor 18 and a wire (not shown) provided in the lower part of the filter cloth 1.

  Further, one of the suction ducts 5 provided at the upper part on the front side of the main body 20 is connected to a connection port 11 provided at a substantially central portion in the longitudinal direction of the suction nozzle 3, and the other is connected to the suction device 6. Further, an exhaust duct 7 is connected to the suction device 6 and is routed outside the room.

  As shown in FIG. 5, the suction nozzle 3 includes a nozzle body 8 that forms a flow path for suction air, a film 9 that is provided to surround the nozzle body 8, and a gear that supports the film 9 and transmits a driving force. 14 and a plurality of rollers 15 for supporting and smoothly driving the film 9, and the surface of the nozzle body 8 on the air filter 2 side has a length corresponding to the vertical length of the air filter 2. A slit-like nozzle opening 16 is provided.

  On the other hand, the film 9 is formed in a loop shape, wound around the outer periphery of the nozzle body 8 so as to cover the nozzle opening 16, and at a position facing the nozzle opening 16 on the surface on the air filter 2 side. A suction port 10 that is shorter than the opening length of the nozzle opening 16 is provided. Furthermore, the drive hole 12 of equal intervals is provided in the both ends of the film 9, The gear 14 connected with the film drive motor 13 has meshed with the drive hole 12, and by driving the film drive motor 13, The film 9 can be freely driven in any of the vertical directions.

  Next, the operation of sucking and cleaning the entire surface of the air filter 2 with the suction nozzle 3 configured as described above will be described. FIG. 6 is a developed rear view of the suction nozzle 3 (the view of the suction nozzle 3 seen from the back) showing the position of the suction port 10 corresponding to the cleaning ranges A to H of the air filter 2 shown in FIG. The actual suction nozzle 3 has a structure bent along the air filter 2 as shown in FIG. 4, but in FIG. 6, the suction nozzle 3 is shown in a straightened state for easy viewing. ing.

  First, when the area A of the air filter 2 in FIG. 4 is suction-cleaned, the film 9 is driven to fix the suction port 10 at the position A as shown in FIG. In this state, the suction device 6 is driven to suck dust through the suction port 10, and the drive motor 18 is driven to move the suction nozzle 3 from the right end to the left end of the air filter 2. The area A of the filter 2 can be cleaned by suction.

Next, in order to shift to suction cleaning in the range B of the air filter 2 in FIG. 4, the film driving motor 13 is driven, and the suction port 10 of the film 9 is changed to B as shown in FIG. Fix in position. Similarly, by moving the suction nozzle 3 from the left end to the right end of the air filter 2 while suctioning in this state, the range B of the air filter 2 in FIG.

  Similarly, the range from C to H of the air filter 2 in FIG. Thus, the entire surface of the air filter 2 can be cleaned by sweeping the suction nozzle 3 along the air filter 2 while driving the film 9 to change the position of the suction port 10. In addition, after the suction nozzle 3 reciprocates once in the left-right direction, an operation of switching the suction port 10 to the next position may be performed.

  Here, the configuration position of the support arm 32 that holds the panel 31 and the panel driving device 34 is changed from the conventional position, and the connection port 11 of the suction duct 5 is provided in the central portion of the suction nozzle 3, so that the nozzle The suction resistance in the main body 8 becomes constant, the suction force is made uniform, and the problem that the cleaning performance becomes uneven or the operation sound at the time of suction is less likely to occur.

  Further, the connection port 11 is provided in the central portion of the suction nozzle 3, and the suction duct 5 is disposed in the upper part on the front side of the main body 20, so that the suction duct 5 can be accommodated in the main body 20 in a compact manner. Thus, the main body 20 of the air conditioner 30 can be downsized. Here, since the suction duct 5 is formed of a duct that can be bent so as not to hinder the movement of the suction nozzle 3, the suction duct 5 may hang down due to its own weight and may come into contact with the air filter 2 or the suction nozzle 3. In the embodiment, as shown in FIG. 4, the suction duct 5 is held by a support member 19 installed in the filter cloth 1. The support member 19 may be installed on the main body 20.

  As described above, according to the present embodiment, the suction nozzle 3 is connected to the suction nozzle 3 that is movable along the upstream surface of the air filter 2 and sucks dust, and the connection port 11 provided in the suction nozzle 3. Is provided with a suction duct 5 for conveying the dust sucked by the nozzle, and the connection port 11 is provided at a substantially central portion in the longitudinal direction of the suction nozzle 3, so that the suction resistance in the nozzle body 8 becomes constant, and the suction force Therefore, it is possible to improve the cleaning performance and the operating noise during cleaning.

  As described above, the air conditioner according to the present invention can make the suction force uniform at the time of suction cleaning of the air filter. Therefore, the air conditioner can improve the cleaning performance and the operation sound at the time of cleaning. It can also be applied to equipment equipped with an air filter that collects dust in the air, such as a cleaner.

Sectional drawing (II sectional drawing of FIG. 2) of the air conditioner in Embodiment 1 of this invention Front view of the air conditioner Sectional drawing which shows the driving | running state of the air conditioner (II sectional drawing of FIG. 2) The perspective view which shows the structural example of the filter apparatus of the air conditioner The perspective view which shows the structural example of the suction nozzle of the air conditioner (A) Rear view of the suction nozzle (b) Rear view of the suction nozzle (c) Rear view of the suction nozzle (d) Rear view of the suction nozzle Sectional view of a conventional air conditioner Rear view of the suction nozzle of the air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Filter pump 2 Air filter 3 Suction nozzle 4 Guide rail 5 Suction duct 6 Suction device 7 Exhaust duct 8 Nozzle body 9 Film 10 Suction port 11 Connection port 12 Drive hole 19 Support member 20 Main body 21 Heat exchanger 22 Fan 23 Filter device 24 Air outlet 25 Air passage 26 Left and right blades 27 Upper and lower blades 28 Suction port 30 Air conditioner 31 Panel 32 Support arm 33 Gear 34 Panel drive device

Claims (3)

A heat exchanger, an air filter that collects dust contained in the air passing through the heat exchanger, a suction nozzle that is movable along an upstream surface of the air filter and sucks the dust, and the suction nozzle A suction duct that transports dust sucked by the suction nozzle and connected to the connection port, and a suction device that is connected to the suction duct and sucks and discharges the dust. An air conditioner provided at a substantially central portion of the direction. The air conditioner according to claim 1, wherein the suction duct is disposed in the vicinity of the upper part on the front side of the main body of the air conditioner. The filter device or the main body is provided with a support member that constitutes a filter device including an air filter, a suction nozzle, a suction duct, and a suction device, and holds the suction duct. Air conditioner.

Images