JP2007101109A - Air conditioner - Google Patents

Abstract

An air conditioner capable of reliably sucking collected dust and discharging it to the outside.
An air filter that collects dust contained in air flowing into a heat exchanger, and dust that is provided so as to be drivable along the surface of the air filter and that is collected by the air filter. A suction nozzle 3 that sucks the dust, a suction device 6 that sucks dust through the suction nozzle 3 and discharges the dust to the outside, and a suction device unit (not shown). Units are installed outside the indoor unit 19 so that dust attached to the air filter 2 can be automatically and reliably sucked and cleaned by the suction nozzle 3, maintaining the performance of the air conditioner and increasing power consumption. Prevention can be achieved. Moreover, even when the exhaust duct 7 for exhausting dust is extended for a long time by the plurality of devices of the suction device 6 and the suction device unit, it is possible to prevent the suction force from being lowered.
[Selection] Figure 2

Description

  The present invention relates to an air conditioner that automatically cleans a filter.

  Conventional air conditioners are equipped with an air filter on the front of the heat exchanger to prevent dust from entering the inside of the air conditioner body. It is detachably attached to the main body so that it can. In such an air conditioner, the air filter must be maintained frequently, and until the next maintenance is performed, the air filter gradually clogs, and as a result, the heat exchanger There was a problem that the amount of air passing through the air flow was reduced, the air conditioning capacity was significantly reduced, and the power consumption was increased.

In order to solve this problem and reduce maintenance work of the air filter, an automatic cleaning device has been devised that automatically cleans dust adhering to the air filter with a brush periodically (see, for example, Patent Document 1). ).
JP 2001-99479 A

  However, in the configuration of the conventional air conditioner disclosed in the above-mentioned Patent Document 1, since the brush and the air filter are rubbed against each other, dust is entangled with the brush, or the cleaning function is deteriorated due to wear or deformation of the brush. There was a problem. Also, after a certain amount of time has passed, the dust collected by scraping with a brush must be treated, and the labor of maintenance has not been greatly reduced.

  The present invention solves the above-described conventional problems, and provides an air conditioner that can automatically clean the entire surface of an air filter and that is extremely easy to maintain.

  In order to solve the conventional problems, an air conditioner according to the present invention includes a heat exchanger, an air filter that collects dust contained in the air flowing into the heat exchanger, and a surface of the air filter. A suction nozzle that sucks dust collected by the air filter, and a plurality of suction devices that sucks the dust through the suction nozzle and discharges the dust to the outside. It is installed inside and outside the air conditioner body, and dust attached to the air filter can be sucked and cleaned automatically by the suction nozzle, maintaining the performance of the air conditioner and preventing increase in power consumption. Can be achieved. Further, even when the exhaust duct for exhausting dust connected to the suction device is extended for a long time by the plurality of suction means, it is possible to prevent the suction force from being lowered.

  The air conditioner of the present invention can maintain the performance of the air conditioner and prevent an increase in power consumption, and can also prevent a reduction in suction force when the exhaust duct is routed for a long time.

The first invention is provided with a heat exchanger, an air filter that collects dust contained in the air flowing into the heat exchanger, and drivable along the surface of the air filter and is captured by the air filter. A suction nozzle for sucking the collected dust, and a plurality of suction devices for sucking the dust through the suction nozzle and discharging the dust to the outside, wherein the suction devices are installed at least inside and outside the air conditioner main body, respectively. Thus, dust attached to the air filter can be sucked and cleaned automatically and reliably by the suction nozzle, and the performance of the air conditioner can be maintained and the increase in power consumption can be prevented. Further, even when the exhaust duct for exhausting dust connected to the suction device is extended for a long time by the plurality of suction means, it is possible to prevent the suction force from being lowered.

  In the second invention, in particular, a suction device installed outside the air conditioner main body of the first invention is installed outside the room, and a high suction is achieved by installing some suction devices outside the room. While maintaining the power, noise during cleaning can be reduced.

  In the third invention, in particular, the air conditioner of the first or second invention is configured by an indoor unit and an outdoor unit connected to the indoor unit, and a suction device is provided inside the indoor unit and inside the outdoor unit. The suction force of dust can be enhanced by a plurality of suction means, and the noise at the time of cleaning can be reduced by placing an external suction device in the outdoor unit. In addition, if a suction device is incorporated in the outdoor unit in advance, the construction can be easily performed only by connecting an exhaust duct for exhausting dust connected to the suction device on the indoor unit side to the outdoor unit.

  In the fourth invention, in particular, the air conditioner of the first or second invention is constituted by an indoor unit and an outdoor unit connected to the indoor unit, and a suction device is installed outside the indoor unit. Thus, since the noise from the suction device disposed on the outdoor side is shielded by the indoor unit on the back side, the noise during cleaning can be greatly reduced.

  The fifth aspect of the invention is particularly the air conditioner of the fourth aspect of the invention, in which the suction device is also installed in the outdoor unit, so that the suction force can be further increased and the noise during cleaning can be greatly reduced. .

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
It demonstrates using FIGS. 1-7 about the air conditioner in the 1st Embodiment of this invention. FIG. 1 is a front view of an indoor unit of an air conditioner according to the present embodiment, FIG. 2 is a cross-sectional view of the indoor unit (AA cross-sectional view of FIG. 1), and FIG. 3 is built in the indoor unit. It is a whole perspective view which shows the structural example of the made filter apparatus.

  1 and 2, the air conditioner in the present embodiment includes an indoor unit 9 and an outdoor unit (not shown) connected to the indoor unit 9 via a refrigerant pipe (not shown). 19 has a front panel 12 at the front, a heat exchanger 13 inside, and a filter device 22 that collects dust contained in the air that is arranged upstream of the heat exchanger 13 and flows into the heat exchanger 13. Is arranged.

  In FIG. 3, the filter device 22 includes an air filter 2 that collects dust contained in the air passing through the heat exchanger 13, a filter frame 1 that supports and fixes the air filter 2, and an upstream surface of the air filter 2. A suction nozzle 3 that is movably provided along the air filter 2 and sucks dust collected by the air filter 2 and is installed at the upper and lower ends of the filter frame 1. The suction nozzle 3 is kept smoothly from the air filter 2 with a very narrow gap. A guide rail 4 is provided for guiding so that it can move to the left and right.

5 is a suction duct having one end connected to the suction nozzle 3 and the other end connected to the suction device 6;
It is formed with a duct that can be bent so as not to interfere with the movement of the suction nozzle 3. Further, an exhaust duct 7 communicating with the outside is connected to the exhaust side of the suction device 6.

  With the above configuration, the suction air generated in the suction device 6 acts on the suction nozzle 3, and the dust on the air filter 2 is sucked through the suction nozzle 3 and passes through the suction duct 5, and the suction device 6 and the exhaust duct. 7 is discharged outside the room.

  Next, details of the suction nozzle 3 will be described with reference to FIGS.

  The suction nozzle 3 includes a nozzle 8 that forms a flow path of the sucked wind, a film 9 that is formed in a loop shape so as to surround the nozzle 8, a gear 14 that supports the film 9 and transmits a driving force, It comprises rollers 15a, 15b and 15c for supporting the film 9 and driving it smoothly. 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.

  On the other hand, the film 9 formed in a loop shape is wound around the outer periphery of the nozzle 8 so as to cover the nozzle opening 10, and the surface on the air filter 2 side has the opening 16 at a position facing the nozzle opening 10. Supported by a film guide 17. The film 9 is provided with slit-like suction holes 11, and the film 9 is attached so that the positions of the suction holes 11 are opposed to the nozzle openings 10.

  Equally spaced drive holes 9a are provided at both ends of the film 9, and the teeth 14a of the gear 14 connected to a stepping motor (not shown) mesh with the drive holes 9a, so that the film 9 It can be driven freely in any direction.

  6 and 7 are diagrams showing an installation state diagram of the air conditioner in the present embodiment. 6 and 7, 18 is attached to the indoor wall in the middle of the exhaust duct 7 for further sucking out dust discharged by the suction device 6 built in the air conditioner 19 and discharging it to the outside. It is a suction device unit serving as a second suction device.

  The operation and action of the air conditioner configured as described above will be described.

  When the operation of the suction device 6 is started, the air volume sucked by the suction device 6 is concentrated and concentrated in the suction hole 11 provided in the film 9, so that a strong wind speed is generated in the suction hole 11 portion even with a small air volume. It becomes possible to make it. That is, it is possible to exert a strong suction force with a small output. Dust on the air filter 2 sucked by this strong suction force enters the nozzle 8 from the suction hole 11 through the nozzle opening 10, enters the suction device 6 via the suction duct 5, and enters the exhaust duct 7. It is sent. And the dust sent out from the suction device 6 is sucked by the suction device unit 18 provided in the middle of the exhaust duct 7 and is expelled from the exhaust duct 7 to the outside.

  Further, every time the suction nozzle 3 is driven left and right, the film 9 is driven to move the position of the suction hole 11 so that the entire surface of the air filter 2 can be sucked and cleaned, and the performance of the air conditioner is maintained. In addition, it is possible to prevent an increase in power consumption.

  As described above, according to the present embodiment, the air filter 2 is automatically cleaned and the dust is automatically discharged to the outside, so that maintenance such as dust processing is unnecessary, and the exhaust duct 7 Even when the air is drawn for a long time, in addition to the suction device 6 inside the air conditioner, the second suction means, that is, the suction device unit 18 disposed outside the air conditioner prevents the suction force from being lowered and ensures dust. It can be discharged to the outside.

(Embodiment 2)
FIG. 8 is a diagram showing an installation state of the air conditioner according to the second embodiment of the present invention, and FIG. 9 is a sectional view taken along the line DD of FIG. In addition, the same code | symbol is attached | subjected about the same part as the air conditioner in the said 1st Embodiment, and the description is abbreviate | omitted.

  In the first embodiment, the suction device unit 18 serving as the second suction means is provided on the indoor wall surface. However, in the present embodiment, as shown in FIGS. It is provided outside the room, and thereby it is possible to reduce noise during cleaning of the air filter 2 while increasing the suction force for discharging dust.

(Embodiment 3)
FIG. 10 is a diagram showing an installation state of the air conditioner according to the third embodiment of the present invention, and FIG. 11 is a cross-sectional view taken along the line EE of FIG. In addition, about the same part as the air conditioner in the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the present embodiment, the suction unit 6 is provided in the indoor unit 19 of the air conditioner, and the suction unit 6 is provided also in the outdoor unit 20, and the suction unit 6 is communicated with the exhaust duct 7 as in the above embodiment. Thus, it is possible to reduce noise during cleaning of the air filter 2 while increasing the suction force of dust. Further, if the suction means 6 is incorporated in the outdoor unit 20 in advance at a factory or the like, it is only necessary to connect the exhaust duct 7 to the outdoor unit 20 at the site where the air conditioner is installed.

(Embodiment 4)
FIG. 12 is a diagram showing an installation state of the air conditioner according to the fourth embodiment of the present invention, and FIG. 13 is a sectional view taken along line FF in FIG. In addition, about the same part as the air conditioner in the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In this embodiment, as shown in FIGS. 12 and 13, the suction device unit 18 as the second suction means is installed outside the indoor unit 19, and the sound generated from the suction device unit 18 is generated by the indoor unit. Since it is shielded by 19, the noise at the time of cleaning the air filter 2 can be greatly reduced.

(Embodiment 5)
FIG. 14 is a diagram illustrating an installation state of the air conditioner according to the fifth embodiment of the present invention, and FIG. 15 is a sectional view taken along line GG in FIG. In addition, about the same part as the air conditioner in the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In this embodiment, as shown in FIGS. 14 and 15, in addition to the suction device 6 built in the indoor unit 19, a suction device unit 18 that communicates with the suction device 6 is installed outside the indoor unit 19. The suction device 6 communicated with the unit 18 via the exhaust duct 7 is also installed inside the outdoor unit 20, greatly increasing the suction force for sucking dust and greatly reducing noise during cleaning. Can be reduced.

  The air conditioner of the present invention can automatically and reliably suck and exhaust dust adhering to an air filter, and can be widely applied not only to an air conditioner but also to devices using a filter such as an air purifier and a ventilation fan. It is.

The front view of the indoor unit of the air conditioner in Embodiment 1 of this invention Cross-sectional view of the indoor unit (A-A cross-sectional view of FIG. 1) Overall perspective view showing a configuration example of a filter device built in the indoor unit (A) Cross-sectional view of the suction nozzle of the filter device (b) Partial side view of the suction nozzle BB sectional view of FIG. Front view showing the installation state diagram of the air conditioner CC sectional view of FIG. The front view which shows the installation state figure of the air conditioner in Embodiment 2 of this invention DD sectional view of FIG. The front view which shows the installation state figure of the air conditioner in Embodiment 3 of this invention EE sectional view of FIG. The front view which shows the installation state figure of the air conditioner in Embodiment 4 of this invention FF sectional view of FIG. The front view which shows the installation state figure of the air conditioner in Embodiment 5 of this invention GG sectional view of FIG.

Explanation of symbols

2 Air filter 3 Suction nozzle 6 Suction device 7 Suction duct 13 Heat exchanger 18 Suction device unit (suction device)
19 Indoor unit 20 Outdoor unit

Claims (5)

A heat exchanger, an air filter that collects dust contained in the air flowing into the heat exchanger, and drivably collected along the surface of the air filter and sucked by the air filter And a plurality of suction devices for sucking the dust through the suction nozzle and discharging the dust to the outside, wherein the suction devices are installed at least inside and outside the air conditioner body, respectively. Harmony machine. The air conditioner according to claim 1, wherein a suction device installed outside the air conditioner body is installed outside the room. The air conditioner comprises an indoor unit and an outdoor unit connected to the indoor unit, and a suction device is installed in each of the indoor unit and the outdoor unit. The air conditioner described. The air conditioner according to claim 1 or 2, wherein the air conditioner includes an indoor unit and an outdoor unit connected to the indoor unit, and a suction device is installed outside the indoor unit. The air conditioner according to claim 4, wherein a suction device is also installed in the outdoor unit.

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