JP7369906B2 - air conditioner - Google Patents

Description

The present invention relates to an air conditioner equipped with a filter cleaning device.

Conventionally, this type of air conditioner has been equipped with a filter cleaning device that uses a brush to remove dust adhering to the air filter, and also uses a blade to scrape off the dust adhering to the brush into a dust storage section below the brush. . Some of these filter cleaning devices have an exhaust device connected to the dust storage section to suck and exhaust the dust scraped and collected into the dust storage section outside (for example, , see Patent Document 1).

16 and 17 show the configuration of a filter cleaning device in an air conditioner described in Patent Document 1. In FIGS. 16 and 17, 100 is an air filter provided at the suction port of the harmonizer main body, 101 is a brush for removing dust attached to the air filter 100, and 102 is a brush holding stand on which the brush 101 is installed. , it can be reversed to a downward facing position. A blade 103 is located below the brush holder 102 and scrapes off dust from the brush 101 of the brush holder 102 which has been turned downward. Reference numeral 104 denotes a dust receiving part that holds the blade 103 and receives the dust scraped off by the blade 103, and this dust receiving part 104 can also be turned over to a downward position. Reference numeral 105 indicates a dust storage section disposed further below the dust receiving section 104, and reference numeral 106 indicates a dust discharge device that sucks and discharges the dust collected in the dust storage section 105.

In the above configuration, the dust adhering to the air filter 100 is scraped off by the brush 101 by sliding the air filter 100 against the brush 101 as shown by the arrow Z, and collected in the dust storage section 105. It is dropped onto the dust receiving section 104. After stopping the air filter drive, the brush holding stand 102 is reversed downward as shown by arrow V, so that the brush 101 is placed in a downward position. In this state, the brush 101 of the brush holding stand 102 is swung to scrape off the dust adhering to the brush 101, and the dust is dropped onto the dust receiver 104 holding the blade 103 and collected.

Thereafter, the dust receiving part 104 is rotated from the upward position to the downward position as shown by the arrow W, and the dust accumulated in the dust receiving part 104 is dropped into the dust storage part 105 and collected, and the dust collected in the dust receiving part 104 is A cylindrical discharge passage 105a is formed covering the opening X of the dust storage section 105, and the dust discharge device 106 is operated. Due to the operation of the dust discharge device 106, the dust collected in the dust storage section 105 is discharged to the outside.

Therefore, the dust collected in the dust storage part 105 can be discharged by driving the dust discharge device 106 without removing the dust storage part 105 from the air conditioner main body, and the trouble of dust disposal can be saved.

Japanese Patent Application Publication No. 2017-110860

However, according to the configuration of Patent Document 1, the dust removed from the brush 101 is dispersed and collected over almost the entire length of the dust storage section 105, and the dust on the side of the dust discharge device 106 of the dust storage section 105 is effectively removed. Although it is possible to suction and discharge, there is a problem in that it takes time to suction and discharge the dust near the end opposite to the dust discharge device 106.

To be more specific, the upper opening X of the dust storage section 105 that collects the dust removed from the brush 101 is closed by reversing the brush holder 102. Air is also sucked through the gap created between the opening portion X and the opening portion X. Therefore, the amount of air sucked from the end opening provided on the opposite side of the dust discharge device 106 of the dust storage section 105 is reduced, and the dust removed from the brush 101 is spread over almost the entire longitudinal direction of the dust storage section 105. If the dust is scattered all over the area, it takes time to suction and discharge the dust near the opposite side of the dust discharge device 106, which prolongs the dust discharge time after cleaning the filter, and reduces the amount of dust discharged due to the dust discharge. The operating noise of the equipment continued for a long time.

The present invention has solved these problems, and aims to provide an air conditioner that can quickly and quietly discharge the dust in the dust storage section, and at the same time eliminate leakage of dust discharge, thereby improving quality and reliability. This is the purpose.

In order to achieve the above object, the present invention provides a filter cleaning device including a brush for removing dust disposed along the longitudinal direction of the air filter, and a brush disposed below the brush to store the dust removed by the brush. a dust removing member that moves inside the dust storage unit to move dust inside the dust storage unit in a specific direction; and a dust removal member that is connected to an end of the dust storage unit and is connected to an end of the dust storage unit. a dust discharging device that sucks and discharges the dust stored in the dust storage section to the outside, and the dust removing member removes the dust at a position that forms a space at an end of the dust storage section on the side to which the dust discharging device is connected. It is configured to stop the member.

As a result, the dust removed from the brush by the dust removing member can be scraped up to the edge of the dust storage section, and the exhaust device can suction and discharge the dust all at once. It can be collected and discharged cleanly without leaving any residue on the edge of the storage section. Therefore, the time required for dust discharge can be significantly shortened, so that the noise generation time during dust discharge can be shortened, and it is possible to achieve quietness during filter cleaning, and at the same time, dust discharge can be ensured.

With the above configuration, the present invention can quickly and quietly discharge dust from the filter cleaning device, and also ensure dust discharge, thereby greatly improving the quality and reliability of the air conditioner.

A perspective view showing an indoor unit of an air conditioner according to Embodiment 1 of the present invention Cross-sectional view of the same indoor unit A perspective view showing the filter cleaning device block of the same indoor unit Front view of essential parts of the filter cleaning device block Cross-sectional view of the filter cleaning device block Enlarged sectional view showing the main parts of the filter cleaning device block Side view of the filter cleaning device block An enlarged sectional view showing the main parts of the filter cleaning device block (AA sectional view in Figure 7) (a) A perspective view showing the filter cleaning device block dust removal member, (b) A view seen from the direction of arrow Z in (a) of the same figure, (c) A sectional view taken along line BB in (b) of the same figure, (a) An explanatory diagram showing the air filter cleaning state of the filter cleaning device block, (b) An explanatory diagram showing the operation of scraping dust from the same brush. (a) An explanatory diagram showing a state in which dust is collected in the dust storage section of the same filter cleaning device block, (b) An explanatory diagram showing a state in which dust is gathered up to the end of the same dust storage section An enlarged sectional view showing a main part of a filter cleaning device for an air conditioner in Embodiment 2 An enlarged sectional view showing a main part of a filter cleaning device for an air conditioner in Embodiment 3 An enlarged sectional view showing a main part of a filter cleaning device for an air conditioner in Embodiment 4 An enlarged cross-sectional view showing main parts of an air conditioner filter cleaning device in Embodiment 5 Cross-sectional view showing the main parts of the dust collection and discharge unit in a conventional air conditioner A perspective view of the entire dust collection and discharge unit in the conventional air conditioner

A first invention includes an air filter built into a harmonizer main body, a brush for removing dust disposed along the longitudinal direction of the air filter, and a brush disposed below the brush to remove dust removed by the brush. a dust removal member that moves inside the dust storage unit to remove dust inside the dust storage unit in a specific direction; and a dust removal member that is connected to an end of the dust storage unit and that removes the dust a dust discharging device that suctions and discharges the dust stored in the storage section to the outside, and the dust removing member is located at a position forming a space at an end of the dust storage section on the side to which the dust discharging device is connected. The structure is such that the dust removal member is stopped.

Thereby, the dust removed from the brush by the dust removal member can be gathered to the end of the dust storage section and suctioned and discharged at once by the exhaust device, and the time required for dust discharge can be significantly shortened.

In addition, the dust gathered at the end of the dust storage section can be collected and discharged cleanly without being left attached to the end of the dust storage section. That is, when the dust removing member scrapes up the dust toward the end of the dust storage section by moving, the dust removal member pinches the collected dust between itself and the end wall surface of the dust storage section, and the dust is scraped up to the end wall surface of the dust storage section. There is a concern that the dust may remain attached to the edge of the communication port connected to the dust removal device, but the dust removal member that scrapes up the dust stops at a position that forms a space at the end of the dust storage section. This prevents the dust collected at the end of the dust storage section from being caught by the dust removal member and remaining on the end wall of the dust storage section or the edge of the communication port to which the dust ejection device is connected. It can be prevented, and it can be reliably collected and discharged by suction.

In a second aspect of the present invention, in the first aspect, the space at the end of the dust storage section is formed below the lower end of the dust removal member.

As a result, the dust scraped by the dust removal member at the end of the dust storage section falls into the space below the dust removal member, so that it can be removed by the dust ejection device without being caught by the dust scraping surface of the dust removal member. The dust is now suctioned and discharged, making it possible to discharge the dust more reliably.

A third aspect of the present invention is based on the second aspect of the present invention, wherein the space has a structure in which a corner portion of the wall surface below the communication opening formed in the bottom surface of the dust storage section is an inclined surface.

This allows the airflow sucked by the dust ejector to flow smoothly along the slope of the wall corner provided below the communication opening formed on the bottom of the dust storage section in the dust ejector space. A dead zone for airflow is created at the corner of the wall facing the communication port of the space to prevent some of the dust from remaining, and the dust can be more reliably discharged without leaving any dust behind.

A fourth invention is based on the first invention, wherein a communication port is provided on the end wall surface side of the dust storage section to connect the dust discharge device, and the dust removal member is connected to the communication port to which the dust discharge device is connected. The configuration is such that a space is formed between them.

As a result, as in the first invention, the time for discharging the dust removed from the filter can be significantly shortened, and at the same time, the dust can be collected and discharged cleanly without leaving dust attached to the end wall surface of the dust storage section, and It is also possible to achieve quietness during filter cleaning. Since a space is formed within the dust storage section, the vertical dimension can be reduced to make the entire device more compact.

A fifth invention is based on the first to fourth inventions, wherein the dust removing member includes a member for removing dust adhering to the brush.

As a result, when removing dust from the brush, the dust removing member moves along the brush, so there is no slapping sound as in the conventional case, and as mentioned above, the dust removal time can be significantly shortened. Therefore, the time during which noise is generated during dust discharge can be shortened, and it is also possible to achieve quietness during filter cleaning.

A sixth aspect of the present invention is based on the fourth or fifth aspect, wherein the dust removing member is provided with a ventilation hole in its lower part.

As a result, the dust ejection device also sucks air through the ventilation hole of the dust removal member, so a dead area is created at the lower corner of the dust removal member on the opposite side of the communication opening of the space and the dust is removed. It is possible to prevent a portion of the dust from remaining, and as with the third invention, it is possible to reliably discharge the dust without leaving any dust behind.

A seventh invention is based on the first to sixth inventions, wherein the dust removing member has a concave shape by recessing a portion facing the end wall surface of the dust storage portion in a direction opposite to the communication port. be.

As a result, the concave part of the dust removal member can be used as a space, so the longitudinal dimension of the dust storage part can be reduced accordingly, making it more compact, and it is also easier to form ventilation holes, making it less expensive. can be taken as a thing.

An eighth invention is based on the first or fifth to seventh inventions, wherein an opening having an area larger than a projected area of a dust collecting surface of the dust removing member is provided in a portion of the end wall surface of the dust storage section facing the dust removing member. The opening and the dust discharge device are connected by a tapered passage pipe, and the interior of the tapered passage pipe is formed as a space formed at an end of the dust storage section.

As a result, the dust that has been scraped up by the dust removal member is no longer sandwiched by the wall surface, and the dust is smoothly sucked along the tapered surface of the tapered passage pipe, effectively preventing it from adhering to the wall surface. In addition, as in the first invention, the time required for discharging the dust removed from the filter can be significantly shortened, and the filter can be cleaned more quietly.

A ninth invention is based on the first to seventh inventions, wherein the dust removing member has protruding walls that protrude toward the end wall surface of the dust storage section at both edges of a portion facing the end wall surface of the dust storage section. is provided to form an airflow passage between the protruding wall and the end wall surface of the dust storage section.

As a result, when the dust removal member is moved to the end wall side of the dust storage section, an airflow passage is formed between the protruding wall and the end wall surface of the dust storage section, and the dust removal member is moved from the brush side above the dust storage section. Air can be strongly sucked, and dust that tends to remain on the brush part on the sliding end side of the dust removal member can be reliably suctioned and removed, and the dust removal member can be moved to the end wall surface of the dust storage section. It is also possible to prevent unnecessary entrapment of dust by regulating the amount of dust, and it is possible to transfer the dust more reliably without leaving any dust behind.

Embodiments of the present invention will be described below with reference to the drawings. Note that the present invention is not limited to this embodiment.

(Embodiment 1)
The air conditioner according to Embodiment 1 of the present invention includes an outdoor unit and an indoor unit that are connected to each other via refrigerant piping.

FIG. 1 is a perspective view showing an indoor unit of an air conditioner according to Embodiment 1, and FIG. 2 is a sectional view of the indoor unit.

As shown in FIGS. 1 and 2, the indoor unit 1 according to the present embodiment includes a main body 2 and a front panel 3 that closes a front opening 2a of the main body 2. As shown in FIG. 2, inside the main body 2, there is a heat exchanger 4 that exchanges heat with the indoor air taken in from the top opening 2b, and a heat exchanger 4 that exchanges heat with the indoor air taken in from the top opening 2b, and a A fan 5 which is a wind power source is provided. The fan 5 is, for example, a cross-flow fan, and is provided to blow air into the room through an air outlet 6 provided below the main body 2. Further, at the tip of the air outlet 6, there are vertical air direction changing blades 7 that open and close the air outlet 6 and change the air blowing direction up and down, and left and right air direction changing blades 8 that change the air blowing direction left and right. It is provided.

When the air conditioner starts air conditioning operation, the vertical wind direction changing blades 7 are controlled to open, and the air outlet 6 is opened. By driving the fan 5 in this state, indoor air is taken into the interior of the indoor unit via the top opening 2b. The taken indoor air undergoes heat exchange in the heat exchanger 4, passes through the fan 5, passes through the ventilation path 9 formed on the downstream side of the fan 5 in the air blowing direction, and is blown out from the outlet 6.

Further, an air filter 10 is provided between the upper surface opening 2b and the heat exchanger 4 for removing dust contained in the indoor air taken in from the upper surface opening 2b. The air filter 10 includes a frame portion and a net portion held by the frame portion. The air conditioner according to this embodiment includes a filter cleaning device that automatically cleans dust attached to the mesh portion of the air filter 10.

The filter cleaning device will be described below with reference to FIGS. 3 to 11.

Fig. 3 is a perspective view showing the filter cleaning device block of the indoor unit, Fig. 4 is a front view of main parts of the same filter cleaning device block, Fig. 5 is a sectional view of the same filter cleaning device block, and Fig. 6 is a diagram of the same filter cleaning device block. 7 is a side view of the filter cleaning device block; FIG. 8 is an enlarged sectional view (AA sectional view in FIG. 7) showing the main parts of the filter cleaning device block; FIG. 9 is a side view of the filter cleaning device block; (a) is a perspective view showing the filter cleaning device block dust removal member, (b) is a view seen from the arrow Z direction of FIG. 9(a), (c) is a BB sectional view of FIG. 9(b), FIG. 10(a) is an explanatory diagram showing the air filter cleaning state of the same filter cleaning device block, FIG. 10(b) is an explanatory diagram showing the operation of scraping dust from the same brush, and FIG. 11(a) is an explanatory diagram showing the air filter cleaning state of the same filter cleaning device block. An explanatory diagram showing a state in which dust is collected in the dust storage section, and (b) is an explanatory diagram showing a state in which dust is collected up to the end of the dust storage section.

3 to 11, in the filter cleaning device of this embodiment, an air filter 10 from which dust is removed is held by a filter holding stand 11 of an air conditioner. The filter holding stand 11 is provided with a first holding space 11a and a second holding space 11b for holding the air filter 10, as shown in FIG. The air filter 10 is then transported by the filter transport device 12 to the first holding space 11a and the second holding space 11b.

As shown in FIG. 6, the filter conveying device 12 includes a shaft 13 extending in the width direction (in FIG. 6, the depth direction) of the indoor unit, and a gear 14 attached to a part of the outer peripheral surface of the shaft 13. ing. The air filter 10 is mounted around a shaft 13 and is attached to engage with a gear 14. Further, the gear 14 is driven by a driving means (not shown) such as a motor.

The air filter 10 is normally located within the first holding space 11a and removes dust contained in the indoor air taken in from the upper surface opening 2b. When instructed to start cleaning the air filter 10, the gear 14 rotates in the forward direction (counterclockwise in FIG. 6), and the air filter 10 is transported from the first holding space 11a to the second holding space 11b. . When the air filter 10 is transported to the second holding space 11b, the gear 14 rotates in the opposite direction (clockwise in FIG. 6), and the air filter 10 is transported back from the second holding space 11b to the first holding space 11a. be done.

In this embodiment, the transport path of the air filter 10 from the first holding space 11a to the second holding space 11b is referred to as the "outward path", and the transport path of the air filter 10 from the second holding space 11b to the first holding space 11a is referred to as the "outward path". The transportation route is called the "return route."

A guide member 15 is provided near the shaft 13 to guide the air filter 10 so that it moves along the circumference of the shaft 13, as shown in FIG. The guide member 15 is provided with a predetermined gap from the shaft 13.

A brush 16 for removing dust attached to the surface of the air filter 10 is provided near the shaft 13 of the filter conveying device 12 that drives the air filter 10 so as to normally face downward. The brush 16 is attached and held by a brush holder 17, which is an example of a brush rotating device, and a gutter-shaped dust storage section 18 is provided below the brush holder 17.

The brush holder 17 can be reversed between an upward position where the tip of the brush 16 contacts the air filter 10 and a downward position described above by a drive unit (not shown) such as a motor provided at one end thereof. is possible. Further, the shape of the brush 16 may be, for example, a roller-shaped brush other than the configuration of the first embodiment.

Further, as shown in FIGS. 5 and 6, the dust storage section 18 has an open upper part, and the brush holding table 17 is located in the open part so as to be able to be turned upside down. A dust discharge device 20 (see FIG. 4, etc.) such as a fan that sucks and exhausts dust is connected to one end of the dust storage section 18. Further, inside the dust storage section 18, a dust removal member 21 made of a blade or the like is provided for removing dust attached to the brush 16.

The dust removal member 21 is slidably provided toward the end of the dust storage section 18 connected to the dust discharge device 20, and drives a motor or the like provided at one end of the dust storage section 18. It is configured to be driven via a connecting means 22 (see FIG. 3) such as a belt or wire connected to a means (not shown), and is in contact with the brush 16 in a downward position as shown in FIGS. 5 and 6. The brush 16 slides while scraping off the dust attached to the brush 16. As shown in FIG. 8, the dust removing member 21 is configured to stop at a position where a space 23 is formed between it and the end surface of the dust storage section 18 on the side to which the dust ejecting device 20 is connected. .

The space portion 23 is formed between the end surface of the dust removing member 21 and the end surface to which the dust ejecting device 20 is connected. A communication port A18a is opened, and an inverted L-shaped passage pipe A24 is connected to this communication port A18a, so that the inside of this passage pipe A becomes a space 23, which is used to collect dust from the dust removal member 21. A space 23 is formed below the lower end of the portion 21b.

Note that the dust removing member 21 is made of an elastic material such as rubber, preferably a flexible soft elastic material, and as shown in FIGS. It consists of a dust scraping part 21a for scraping off the dust, a dust scraping part 21b for scraping the scraped dust to the end of the dust storage part 18, and a protruding wall part 21c. The dust scraping section 21a has an arcuate depression shape into which the brush 16 is fitted, and a hole 21d is formed in the bottom wall of the arcuate depression to allow dust to fall downward. There is. Further, the dust scraping part 21b has a flat dust scraping surface part 21bb on the dust scraping sliding direction side, and the upper part of the dust scraping surface part 21bb is a downwardly inclined surface 21e located below the hole 21d of the dust scraping part 21a. It is integrated. Further, the protruding wall portion 21c is formed to protrude from both end edges of the dust scraping portion 21a and the dust scraping portion 21b in the dust scraping sliding direction side.

The brush 16, brush holding stand 17, dust removal member 21, and dust storage section 18 that constitute the filter cleaning device constitute a dust collection unit A, as shown in FIG. is further connected to a dust discharge device 20 for suctioning and discharging dust to form a dust collection and discharge unit B.

An example of an operation for cleaning and discharging dust attached to the air filter 10 of the air conditioner configured as described above will be described below.

When the air conditioner is used for a predetermined period of time and a filter cleaning start signal is issued, the brush holder 17 is reversed and the brush 16 comes into contact with the air filter 10 as shown in FIG. 10(a). Thereafter, the gear 14 of the filter conveyance device 12 is rotated in the forward direction, and the air filter 10 is conveyed from the first holding space 11a to the second holding space 11b.

During this transportation, the brush holder 17 is fixed at a position where the brush 16 contacts the air filter 10, and the dust attached to the air filter 10 is blocked and removed by the brush 16 fixed at a fixed position. be done.

When the gear 14 is further rotated in the forward direction and the air filter 10 reaches the end of the second holding space 11b, the forward rotation of the gear 14 is stopped and the brush 16 is placed in a standby position where it does not come into contact with the air filter 10. 14 and return the air filter 10 to its original position.

Repeat the above operation several times if necessary to complete filter cleaning.

After the filter cleaning is completed, a dust discharge operation is performed next. The dust discharge operation will be explained below.

When the cleaning operation of the air filter 10 is completed, the brush holder 17 is rotated in the opposite direction, and the brush 16 is inverted to the brush cleaning position, that is, to the downward position as shown in FIGS. 10(b) and 6, and placed in the dust storage section. Coming within 18 days.

Thereafter, the dust removing member 21 is driven by the driving means 19, and the dust removing member 21 is slid along the longitudinal direction of the brush 16 from the one end side shown in FIG. 11(a). Thereby, the dust removing member 21 scrapes off the dust adhering to the brush 16. In the configuration of the first embodiment, when removing dust attached to the brush 16, the dust removing member 21 is slid along the longitudinal direction of the brush 16 to scrape off the dust. As a method for removing attached dust, for example, a blade having a length comparable to the length in the longitudinal direction of the brush 16 is extended parallel to the brush 16, and the brush 16 is swung or moved at a position where it comes into contact with the blade. A method may also be used in which dust attached to the brush 16 is removed by rotating it.

The scraped dust falls from the hole 21d of the dust scraping part 21a of the dust removal member 21 shown in FIG. 9 to the front of the dust scraping part 21b via the downward slope 21e. Then, the dust is scraped toward the end of the dust storage section 18 on the side of the dust discharge device 20 by the dust scraping surface 21bb of the dust removal member 21.

When the dust is scraped up to near the end of the dust storage section 18 on the side of the dust discharge device, the dust discharge device 20 is driven, and the dust removal member 21 moves the dust toward the end of the dust storage section 18. The dust X that has been gathered up in the space is sucked into the dust discharge device 20 via the space 23, and is discharged outdoors as it is.

As described above, in the dust discharge configuration of the present embodiment, the dust X scraped off from the brush 16 is collected in one place by the dust removal member 21, in this example, at the end of the dust storage section 18 on the side of the dust discharge device 20, and The dust collected at the end of the dust storage section 18 on the side of the dust discharge device 20 is sucked and discharged outdoors.

Therefore, the dust discharge device 20 can discharge dust more efficiently than the conventional device which suctions and discharges the dust distributed in the longitudinal direction of the dust storage section 18, and the driving time of the dust discharge device 20, that is, the suction and discharge time of the dust. can be significantly shortened.

Furthermore, in this embodiment, the dust removing member 21 is stopped with a space 23 formed at the end of the dust storage section 18, so that the dust collected at the end of the dust storage section is removed. Due to the suction force of the dust ejecting device 20 and its own weight, the dust falls into the space 23 as shown by the broken line arrow in FIG. Therefore, when the dust is collected at the end of the dust storage section 18, the dust removal member 21 sandwiches the dust with the end wall of the dust storage section and connects the end wall of the dust storage section and the dust discharge device 20. It is possible to prevent the adhesive from remaining on the edge of the communication port B18b, and to ensure suction and discharge.

That is, when the dust removing member 21 is slid to the end wall surface of the dust storage section 18, the dust removal member 21 traps the collected dust between the dust removal member 21 and the end wall surface of the dust storage section 18, and the dust is removed from the end wall surface of the dust storage section 18. It is possible that the dust may remain attached to the edge of the communication port B18b to which the dust ejecting device 20 is connected.

However, in this embodiment, the dust removing member 21 stops at the position where the space 23 is formed at the end of the dust storage section 18 as described above, so the dust collected at the end of the dust storage section 18 is removed. This prevents the dust from being caught between the members 21 and remaining on the end wall surface of the dust storage section or the edge of the communication port B18b to which the dust discharge device 20 is connected, and the dust can be reliably sucked and discharged.

As described above, the time for discharging the dust removed from the brush 16 can be significantly shortened, and at the same time, the dust can be collected and discharged cleanly without leaving any dust behind.

Further, when removing dust from the brush 16, the brush 16 moves along the brush 16, so there is no buzzing sound as in the conventional case, and the time required for removing dust can be significantly shortened as described above. Therefore, the time during which noise is generated during dust discharge can be shortened, and it is also possible to achieve quietness during filter cleaning.

Furthermore, in this embodiment, the space 23 at the end of the dust storage section 18 is formed below the lower end of the dust removal member 21, so that the dust removal member 21 can close the end of the dust storage section 18. The dust collected in the dust removal member 21 falls to the lower part of the dust removal member 21 and is sucked and discharged.

Therefore, the dust collected at the end of the dust storage section 18 is sandwiched between the dust removal member 21 and the end wall surface of the dust storage section, and the communication port A18a is connected to the end wall surface of the dust storage section and the dust discharge device 20. It is possible to effectively prevent dust from remaining on the edges of the mouth, etc., and the suction and discharge of dust can be made more reliable.

In addition, since the space 23 has an inclined surface 23a at the corner of the wall below the communication port A18a connected to the dust ejecting device 20, the airflow sucked by the dust ejecting device 20 flows smoothly along the inclined surface 23a. . Therefore, it is possible to prevent a dead area of airflow from being created in the wall corner portion below the communication port A18a inside the space part 23 and a part of the dust remaining, and to more reliably discharge the dust without leaving any dust behind. can do.

Furthermore, since the dust removing member 21 is provided with a protruding wall part 21c that protrudes toward the end wall surface of the dust storage section 18 at both edges of the dust scraping surface part 21bb, the protruding wall part 21c is used for storing the dust. By abutting the end wall surface of the part 18, a space 23 can be formed at the end of the dust storage part 18 and the dust storage part 18 can be stopped.

As a result, when the dust removing member 21 is slid toward the end wall surface of the dust storage section 18, an airflow passage section 26 (see FIG. 8) is formed between the protruding wall section 21c and the end wall surface of the dust storage section 18. The air can be strongly sucked from the brush end 16a above the dust storage section. As a result, dust that tends to remain on the brush end 16a at the sliding end side of the dust scraping portion 21a of the dust removing member 21 can be reliably suctioned and removed. Further, movement of the dust removing member 21 toward the end wall surface of the dust storage section can be restricted to prevent unnecessary pinching and pressure of dust. Therefore, both effects are added to this, and the dust can be more reliably discharged without leaving any dust behind.

(Embodiment 2)
FIG. 12 is an enlarged sectional view showing a main part of a filter cleaning device for an air conditioner according to the second embodiment.

Embodiment 2 shows another embodiment of the space 23 formed by stopping the dust removal member 21, in which a communication port B18b is provided at the lower side of the end wall surface of the dust storage section 18, and the dust ejection device 20 The dust removing member 21 is stopped at the front side of the communication port B18b of the dust storage section 18 to which the dust ejecting device 20 is connected, and a space 23 is formed in the lower front part of the dust collecting surface of the dust removing member 21. It is configured to form a

As a result, the dust scraped by the dust removal member 21 at the end of the dust storage section 18 moves to the space 23 in the lower front part of the dust scraping surface of the dust removal member 21 as shown by the broken line arrow, and the dust is scraped off. The approaching surface portion is directly sucked into the dust discharge device 20 and discharged through the passage pipe B24b.

Therefore, as in the first embodiment, the dust collected at the end of the dust storage section 18 is caught between the dust removal member 21 and the end wall surface of the dust storage section and the dust discharge device. It is possible to prevent the liquid from remaining on the edge of the communication port B18b to which the liquid is connected, and it is possible to reliably suction and discharge the liquid.

Therefore, the time for discharging the dust removed from the brush 16 can be significantly shortened, and at the same time, the dust can be collected and discharged cleanly without leaving any dust behind, and the filter can be cleaned quietly.

Further, in this embodiment, since the space 23 is formed at the lower part of the dust storage section 18, the vertical dimension of the entire device can be reduced to make it more compact.

(Embodiment 3)
FIG. 13 is an enlarged sectional view showing a main part of a filter cleaning device for an air conditioner according to Embodiment 3.

The third embodiment is a modification of the second embodiment, in which a ventilation hole 27 is provided in the lower part of the dust removal member 21.

As a result, the dust ejection device 20 also sucks air from the ventilation hole 27 of the dust removal member 21, so that a dead area (see FIG. It is possible to prevent part of the dust from remaining due to the hatched area shown by 12, and it is possible to more reliably discharge the dust without leaving it behind.

The other configurations and effects are the same as those of the second embodiment, and their explanations will be omitted.

(Embodiment 4)
FIG. 14 is an enlarged cross-sectional view showing a main part of a filter cleaning device for an air conditioner according to Embodiment 4.

The fourth embodiment further shows a modification of the second embodiment, and in this example, the part of the dust removal member 21 facing the communication port B18b is recessed to form a concave shape 28.

As a result, the concave portion 28 of the dust removal member 21 can be utilized as the space 23, so that the longitudinal dimension of the dust storage section 18 can be reduced accordingly, and the entire device can be made more compact. Further, the ventilation hole 27 can be formed in one place only on the back side of the dust collecting part 21b, which makes it easy and inexpensive.

(Embodiment 5)
FIG. 15 is an enlarged sectional view showing a main part of a filter cleaning device for an air conditioner according to the fifth embodiment.

Embodiment 5 shows still another embodiment of the space 23 formed by stopping the dust removal member 21, and in this embodiment, the space 23 is formed by stopping the dust removal member 21. An opening 29 larger than the projected area of the dust scraping surface portion 21bb of the dust removing member 21 is provided in the part, and the opening 29 and the dust ejecting device 20 are connected by a tapered passage pipe 30. A space 23 is formed at the end of the dust storage section 18.

By configuring as described above, there is no end wall surface of the dust storage section that pinches the dust collected by the dust removal member 21, and the dust is not compressed and is moved along the tapered surface of the tapered passage pipe 30 to the dust discharge device 20. It becomes a shape that is attracted to. Therefore, adhesion to the end wall surface of the dust storage section 18 can be effectively reduced and dust can be more reliably discharged without leaving any dust behind, and the time required for discharging the dust removed from the brush 16 can be significantly reduced as in each embodiment. It is possible to shorten the time and achieve quietness during filter cleaning.

As above, the air conditioner according to the present invention has been described using the above-mentioned embodiments, but the present invention is not limited thereto, and the scope of the present invention is indicated by the claims, and the patent All changes within the meaning and scope of the claims are included.

For example, in this embodiment, an air conditioner is described in which the indoor unit and the outdoor unit are separated, but they may be integrated.

Furthermore, although the dust ejecting device 20 is driven when the dust removing member 21 stops, it may also be driven from the time when the dust removing member 21 starts sliding, or from any arbitrary position during sliding. By doing so, the dust from the brush 16 can also be scraped off by the suction force of the dust discharge device 20, and the dust scraping effect can be improved and it is effective. be.

As described above, the air conditioner according to the present invention can quickly and quietly discharge dust from the filter cleaning device, eliminate the possibility of failure to collect dust, and greatly improve the quality and reliability of the air conditioner. can be improved. Therefore, it can be applied to various air conditioners including those used in general homes.

1 Indoor unit 2 Main body 2a Front opening 2b Top opening 3 Front panel 4 Heat exchanger 5 Fan 6 Air outlet 7 Vertical wind direction changing blade 8 Left and right wind direction changing blade 9 Ventilation duct 10 Air filter 11 Filter holding stand 11a First holding space 11b Second holding space 12 Filter conveyance device 13 Shaft 14 Gear 15 Guide member 16 Brush 16a Brush end 17 Brush holding stand 18 Dust storage section 18a Communication port A
18b Communication port B
20 Dust discharge device 21 Dust removal member 21a Dust scraping part 21b Dust scraping part 21bb Dust scraping surface part 21c Projecting wall part 21d Hole 21e Downward slope 22 Connecting means 23 Space part 23a Inclined surface 24 Passage pipe A
24b Passage pipe B
26 Air flow passage section 27 Ventilation hole 28 Concave shape 29 Opening 30 Tapered passage pipe

Claims (5)

The air filter built into the harmonizer body,
a brush for removing dust arranged along the longitudinal direction of the air filter;
a dust storage section located below the brush and accommodating the dust removed by the brush; and a dust remover that moves inside the dust storage section to move the dust inside the dust storage section in a specific direction. parts and
a dust discharge device that is connected to an end of the dust storage section and sucks and discharges the dust stored in the dust storage section to the outside;
The dust removing member is stopped at a position forming a space at an end of the dust storage unit on the side to which the dust ejecting device is connected ;
The space at the end of the dust storage section is formed below the lower end of the dust removal member,
The space section is an air conditioner in which a corner portion of the wall surface below the communication port formed on the bottom surface of the dust storage section is an inclined surface. The air filter built into the harmonizer body,
a brush for removing dust arranged along the longitudinal direction of the air filter;
a dust storage section located below the brush and accommodating the dust removed by the brush; and a dust remover that moves inside the dust storage section to move the dust inside the dust storage section in a specific direction. parts and
a dust discharge device that is connected to an end of the dust storage section and sucks and discharges the dust stored in the dust storage section to the outside;
The dust removing member is stopped at a position forming a space at an end of the dust storage unit on the side to which the dust ejecting device is connected;
The dust removal member includes a member for removing dust attached to the brush,
The dust removal member is an air conditioner in which a ventilation hole is provided in the lower part of the dust removal member. The air filter built into the harmonizer body,
a brush for removing dust arranged along the longitudinal direction of the air filter;
a dust storage section located below the brush and accommodating dust removed by the brush;
a dust removing member that moves inside the dust storage unit to move dust inside the dust storage unit in a specific direction;
a dust discharge device that is connected to an end of the dust storage section and sucks and discharges the dust stored in the dust storage section to the outside;
The dust removing member is stopped at a position that forms a space at an end of the dust storage unit on the side to which the dust ejecting device is connected;
In the air conditioner, the dust removing member has a concave portion facing the end wall surface of the dust storage section. An opening larger than the projected area of the dust collecting surface of the dust removing member is provided in a portion of the end wall surface of the dust storage section facing the dust removing member, and a tapered passage pipe is connected between the opening and the dust ejecting device. The air conditioner according to any one of claims 1 to 3, wherein the tapered passage pipe is connected to the inside of the tapered passage pipe to form a space at an end of the dust storage section. The air filter built into the harmonizer body,
a brush for removing dust arranged along the longitudinal direction of the air filter;
a dust storage section located below the brush and accommodating the dust removed by the brush; and a dust remover that moves inside the dust storage section to move the dust inside the dust storage section in a specific direction. parts and
a dust discharge device that is connected to an end of the dust storage section and sucks and discharges the dust stored in the dust storage section to the outside;
The dust removing member is stopped at a position forming a space at an end of the dust storage unit on the side to which the dust ejecting device is connected;
The dust removal member is provided with protruding walls that protrude toward the end wall surface of the dust storage section on both edges of a portion facing the end wall surface of the dust storage section, and the protrusion wall and the end of the dust storage section are connected to each other. An air conditioner that forms an airflow passage between it and the wall.

Images