JP2015202837A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner which eliminates the needs of inspection, cleaning, replacement of a dust collecting filter and disposal of dust removed from the dust collecting filter.SOLUTION: An air conditioner 1 for a vehicle 3 includes: a dust collecting filter 5; a dust separation part 7 which separates dust DS captured by the dust collecting filter 5; and a dust ejection part 9 which ejects the dust DS separated by the dust separation part 7 to an exterior part of the vehicle 3.

Description

  The present invention relates to an air conditioner, and more particularly to a device configured to clean a dust collection filter.

  Conventionally, an air cleaning device 301 as shown in FIG. 8 is known (see, for example, Patent Document 1).

  In the air cleaning device 301, the pre-filter (dust collecting filter) 303 moves and is cleaned when it passes through the brush part 305. The dust separated (separated) from the pre-filter 303 by the brush unit 305 is stored in a dust box 307 provided at the lower part of the pre-filter 303.

  Conventionally, an air cleaning device 351 as shown in FIG. 9 is known (see, for example, Patent Document 2).

  The air cleaning device 351 is used for an air conditioner of an automobile, and includes a photocatalyst module 353 and a prefilter (dust collection filter) 355 that is a separate body from the photocatalyst module 353.

  Then, by driving the blower fan 357, an air flow as indicated by an arrow is generated, and the air from which the coarse dust has been removed by the prefilter 357 is deodorized by the photocatalyst module 353 on the downstream side. ing.

JP 2007-170782 A JP 2010-149536 A

  By the way, in the conventional air purifying apparatus 301, it is necessary for a user to check regularly whether dust has accumulated in the dust box 307, and when dust has accumulated, it is necessary to remove the dust box 307 and throw away the dust.

  Moreover, in the air purifying apparatus 351, the user needs to replace | exchange the pre filter 355 regularly or to clean regularly.

  An object of the present invention is to provide an air conditioner that does not require inspection, cleaning, and replacement of a dust collection filter and that does not require disposal of dust removed (detached) from the dust collection filter.

  According to a first aspect of the present invention, in the vehicle air conditioner, the dust collection filter, the dust detachment portion that detaches the dust captured by the dust collection filter, and the dust detachment by the dust detachment portion of the vehicle. It is an air conditioner having a dust discharge part that discharges to the outside.

  A second aspect of the present invention is the air conditioner according to the first aspect, wherein the dust discharge unit is configured to discharge dust by the traveling wind of the vehicle.

  Invention of Claim 3 is the air conditioning apparatus of Claim 1 or Claim 2, The said dust detachment part is comprised including the dust collection filter movable part which moves the said dust collection filter, An air conditioner configured to move dust collecting filter by moving the dust collecting filter and to remove the dust and to prevent the separated dust from flowing into the vehicle interior of the vehicle. is there.

  According to a fourth aspect of the present invention, in the air conditioner according to the third aspect, the dust detachment portion engages with the dust collection filter and rotates to rotate the dust collection filter, and the dust collection unit. A brush that engages with the dust filter and separates the dust by the movement of the dust collection filter, and after the dust collection filter is cleaned, the dust collection filter is in a position to collect dust. The air conditioner is configured to prevent the separated dust from flowing into the vehicle interior of the vehicle by engaging the brush with the gear.

  According to a fifth aspect of the present invention, in the air conditioner according to the fourth aspect of the present invention, the air conditioner includes an air flow generation unit that generates an air flow that passes through the dust collection filter, and the brush engages with the gear. Is an air conditioner configured to be performed using a change in air pressure due to operation of the air flow generation unit.

  According to a sixth aspect of the present invention, in the vehicle air conditioner, the dust collection filter and the cleaning unit that cleans the dust collection filter and discards the dust separated from the dust collection filter by the cleaning are provided. It is an air conditioner having.

  According to the present invention, it is possible to provide an air conditioner that does not require inspection, cleaning, and replacement of a dust collection filter and that does not require disposal of dust removed (detached) from the dust collection filter. Play.

It is a figure which shows schematic structure of the air conditioning apparatus which concerns on embodiment of this invention. (A) is a top view which shows schematic structure of the dust collection filter of the air conditioning apparatus which concerns on embodiment of this invention, a dust detachment | leave part, and a dust discharge | release part, (b) is II-II in (a). It is a figure which shows a cross section. It is a figure corresponding to Drawing 2 (b), and is a figure showing cleaning operation (dust separation, dust discharge operation) of a dust collection filter in an air harmony device concerning an embodiment of the present invention. FIG. 4 is an enlarged view of a portion IV in FIG. 3A, showing a state immediately before the dust collection filter is in a position for collecting dust and starting to detach dust from the dust collection filter. FIG. 4 is an enlarged view of a portion V in FIG. 3 (b), and shows a state in the middle of separating dust from the dust collection filter. FIG. 4 is an enlarged view of a portion VI in FIG. 3C, illustrating a state in which the dust collection from the dust collection filter is finished and the dust collection filter is in a position to collect dust. It is a figure which shows roughly the structure which engages a brush with a gearwheel using the change of the air pressure by operation | movement of an airflow production | generation part. It is a figure which shows the conventional air conditioning apparatus. It is a figure which shows the conventional air conditioning apparatus.

  An air conditioner (air purifier) 1 according to an embodiment of the present invention is mounted on a vehicle (automobile) 3 and used, for example. The air conditioner 1 includes a dust collection filter (prefilter) 5, a dust detachment portion 7, and a dust discharge portion 9 as shown in FIG. 1 and the like. The dust collection filter 5 removes coarse dust (coarse dust) DS in the air.

  The air conditioner 1 also includes a casing 11 that is installed in the vehicle 3 so that air can flow through the interior thereof. The dust collection filter 5, the dust detachment portion 7, and the dust discharge portion 9 are provided in the casing 11. Is provided.

  The dust detachment unit 7 is configured to automatically clean the dust collection filter 5 by separating (separating; removing) the dust DS captured by the dust collection filter 5 from the dust collection filter 5. The dust discharge unit 9 is configured to automatically discharge (discharge) the dust DS released by the dust release unit 7 to the outside of the vehicle 3.

  The air conditioner 1 is provided with a main filter 13. The main filter 13 removes fine dust and chemical substances in the air. The dust collection filter 5 and the main filter 13 are installed inside the casing 11, whereby the inside of the casing 11 is partitioned into a front chamber 15 and a rear chamber 17. The dust collection filter 5 is located on the front chamber 15 side, and the main filter 13 is located on the rear chamber side.

  The front chamber 15 communicates with the interior of the vehicle 3 or outside air, and the rear chamber 17 communicates with the interior of the vehicle 3. An air flow generation unit (for example, a blower) 19 that generates an air flow that passes through the dust collection filter 5 is provided in the rear chamber 17.

  When the blower 19 is operated, the air that has entered the front chamber 15 passes through the dust collection filter 5 and the main filter 13 in this order, enters the rear chamber 17, and is then supplied to the interior of the vehicle 3. It has become so.

  The dust discharge unit 9 is configured to discharge the dust DS to the outside of the vehicle 3 by the traveling wind of the vehicle 3.

  The dust detachment portion 7 includes a dust collection filter movable portion (dust collection filter movable mechanism) 21 that moves (moves) the dust collection filter 5. The dust collection filter 5 is moved by the dust collection filter moving portion 21 so that the dust DS is separated from the dust collection filter 5 and the separated dust DS is prevented from flowing into the vehicle interior of the vehicle 3. It is configured.

  The dust detachment portion 7 is engaged with the dust collection filter 5 and rotated to move the dust collection filter 5, and the brush 23 is engaged with the dust collection filter 5 and detaches the dust DS by the movement of the dust collection filter 5. 25.

  Further, after the dust collection filter 5 is cleaned, when the dust collection filter 5 is in a position for collecting dust, the brush 25 engages with the gear 23 so that the separated dust DS flows into the vehicle interior of the vehicle 3. It is configured to prevent this.

  In addition, the position where the dust collection filter 5 collects dust is a position when the air conditioner 1 is used to adjust the indoor environment of the vehicle 3 while the vehicle 3 is traveling, and the like. This is the position indicated by 3 (c).

  Further, when the dust collection filter 5 is in a position for collecting dust after the dust collection filter 5 is cleaned, the brush 25 is engaged with the gear 23 by using a change in air pressure due to the operation of the blower 19. It is configured.

  Here, the air conditioner 1 will be described in more detail.

  The dust collection filter 5 is formed in, for example, a rectangular thin plate shape, and the thickness direction is the height direction (vertical direction in FIGS. 1, 2 (b), 3, etc.) at the position where dust collection is performed. It is installed in the casing 11. The main filter 13 is formed in, for example, a rectangular thick plate shape, and is adjacent to the dust collection filter 5 so that the thickness direction is the height direction. 11 is installed. Moreover, the vertical direction of the dust collection filter 5 and the main filter 13 is the left-right direction of FIG. 1, FIG.2 (b), FIG.3 etc., and a horizontal direction is FIG.1, FIG.2 (b), FIG. The direction is perpendicular to the paper surface.

  The dust collection filter 5 includes a dust collection filter main body portion 27 and a gear engaging portion 29. The dust collection filter main body 27 is formed in, for example, a rectangular thin plate shape and has a filter function, and captures (collects) dust DS in the passing air.

  The gear engaging portions 29 are provided at both end portions of the dust collection filter main body portion 27 in the lateral direction, and are engaged with the gear 23. Moreover, the dust collection filter 5 is provided with the flexibility which can deform | transform around the axis | shaft extended in the horizontal direction.

  The dust detachment portion 7 is provided on one side of the dust collection filter 5 at a position where dust collection is performed in the vertical direction, and the gear 23 of the dust collection filter movable portion 21 of the dust detachment portion 7 is the center of rotation. The shaft 11 is supported by the casing 11 so as to extend in the lateral direction.

  The gear 23 is located in a gear installation space 31 that constitutes a part of the internal space of the casing 11. The gear installation space 31 is adjacent to the main space 33 in which the dust collection filter 5 and the main filter 13 in a position for collecting dust are installed. The horizontal dimension of the gear installation space 31 is substantially equal to that of the main space 33, and the vertical dimension of the gear installation space 31 is smaller than that of the main space 33. The dimension in the height direction is larger than the thickness dimension of the main filter 13.

  Further, the gear installation space 31 is located on one end side of the main space 33 in the vertical direction, is located substantially at the same position as the main space 33 in the horizontal direction, and the upper end performs dust collection in the height direction. It is located at almost the same position as the dust collection filter 5 at the position.

  The gear installation space 31 and the main space 33 are partitioned by a flat partition member 35, but the gear installation space 31 and the main space 33 are connected to each other above the partition member 35.

  The rotation center of the gear 23 is located slightly below the dust collection filter 5 in a position for collecting dust. Further, the gear 23 exists over almost the entire length of the gear installation space 31 in the lateral direction. And the gear engaging part 29 (a pair of gear engaging part 29 formed in the both ends of a horizontal direction) of the longitudinal direction one end part of the dust collection filter 5 in the position which collects dust is the horizontal direction of the gear 23. It is engaged (engaged) with both end portions.

  The gear 23 is rotated by an actuator such as a motor (not shown). Both end portions of the dust collection filter 5 in the horizontal direction are guided by guide members (guide rails) 37 provided on the casing 11.

  The gear 23 rotates appropriately so that the dust collection filter 5 guided by the guide member 37 is movable in a predetermined form.

  That is, when the gear 23 rotates clockwise in FIG. 3A, the portion engaged with the gear 23 of the dust collection filter 5 at the position where dust collection is performed is related to the gear 23 in the lower half of the gear 23. In this manner, a U-shape is formed, and the front end side of the dust collection filter 5 (the front end side in the advancing direction of the dust collection filter 5 by the clockwise rotation of the gear 23) passes through the space above the partition member 35 and collects. Between the dust collection filter 5 and the main filter 13 at the position where dust is collected, it extends parallel to the dust collection filter 5 at the position where dust is collected (see FIG. 3B). The clockwise rotation of the gear 23 is performed until only the rear end portion of the dust collection filter 5 is engaged with the gear 23.

  Subsequently, when the gear 23 rotates counterclockwise, the dust collection filter 5 moves in the reverse direction and returns to the position where dust collection is performed (see FIG. 3C).

  The brush 25 of the dust detachment portion 7 is also provided in the gear installation space 31. The brushes 25 of the dust detachment portion 7 are provided as a pair. One brush 25A is positioned on one side of the gear 23 in the vertical direction, and the other brush 25B is the other side of the gear 23 in the vertical direction. On the other side (between the gear 23 and the partition member 35). In the height direction, the pair of brushes 25 are located at substantially the same position as the gear 23. In the lateral direction, the brush 25 has the same length as the gear 23 and extends almost the entire length of the gear installation space 31.

  One brush 25 </ b> A is integrally provided on a wall portion constituting the gear installation space 31. Then, the bristle portion of the brush 25A comes into contact with the part of the dust collection filter main body 27 of the dust collection filter 5 engaged with the gear 23, and the movement of the dust collection filter 5 by the rotation of the gear 23 described above causes The dust collection filter main body 27 is cleaned (detachment of the dust DS).

  The other brush 25B is provided on the partition member 35 so as to be movable in the vertical direction. And when located in the other end side of the vertical direction, as shown in FIGS. 3A and 3B, the dust collecting filter 5 is slightly separated from the gear 23 and is engaged with the gear 23. The part of the brush 25B comes into contact with the part of the dust collection filter main body 27, and the dust collection filter main body 27 is cleaned by the movement of the dust collection filter 5 by the rotation of the gear 23 (detachment of the dust DS). It is supposed to do.

  On the other hand, when the other brush 25B is positioned on one end side in the vertical direction, the bristle portion of the brush 25B is in direct contact with the gear 23 as shown in FIG. Thereby, even if the dust collection filter 5 does not exist between the brush 25B and the gear 23, a gap is not formed between the brush 25B and the gear 23, and the brush 25 removes the dust collection filter 5 from the dust collection filter 5. The separated dust DS is prevented from flowing into the vehicle interior (inside the housing 11) of the vehicle 3.

  That is, as shown in FIG. 3A, when the dust collecting filter 5 is not present between the brush 25B and the gear 23, a gap 39 is formed between the brush 25B and the gear 23. When the main space 33 is connected to the gear installation space 31 and the blower 19 is operated, the air pressure in the main space 33 is slightly lower than the air pressure in the gear installation space 31, and the gear installation space 31 is connected to the main space 33. There is a possibility that air flows into the vehicle and the separated dust DS flows into the vehicle interior of the vehicle 3.

  However, as shown in FIG. 3C, if the brush 25B is in contact with the gear 23, the above-described gap 39 is not formed, the air flow from the gear installation space 31 to the main space 33 is eliminated, and the separation is performed. Inflow of the generated dust DS into the vehicle interior of the vehicle 3 is prevented.

  FIG. 7 shows a configuration in which engagement (contact) of the brush 25 (25B) with the gear 23 when the dust collection filter 5 is in a dust collecting position is made by using a change in air pressure due to operation of the blower 19. This is illustrated with reference.

  The brush 25 </ b> B includes a brush part 41, a brush support part 43, and a cylinder part 45. Cylinder chambers 47 and 49 are formed in the cylinder portion 45. The cylinder chamber 47 is open to the atmosphere, and the cylinder chamber 49 is connected to the rear chamber 17 by a pipe 53. In the cylinder chamber 49, an elastic body such as a compression coil spring 51 is provided.

  When the blower 19 is stopped, the brush 25B is separated from the gear 23 by the urging force of the compression coil spring 51, as shown in FIGS. 3 (a) and 3 (b). Further, when the blower 19 is operated, the pressure in the cylinder chamber 49 is reduced, and the brush 25B is moved by the atmospheric pressure in the cylinder chamber 47, and comes into contact with the gear 23 as shown in FIG. Yes.

  The dust discharge unit 9 includes a cylindrical dust discharge member 55. The lower end of the gear installation space 31 is open, and the upper end of the dust discharge member 55 is connected to the lower end of the gear installation space 31. As shown in FIG. 1, the dust release member 55 extends downward from the lower end of the gear installation space 31 and penetrates the floor 57 of the vehicle 3.

  Then, as shown in FIG. 1, the dust DS separated by the brush 25 and existing in the gear installation space 31 by the induced wind generated by the traveling wind A <b> 1 of the vehicle 3 passes through the dust release member 55 and passes through the dust release member 55. It is designed to be released outside.

  Next, the operation of the air conditioner 1 will be described.

  When the dust collection filter 5 is in a position where dust collection is performed and the air conditioner 1 is used for preparing the indoor environment of the vehicle 3 while the vehicle 3 is traveling, the blower 19 is operated, and FIG. As shown, the brush 25B is located on the gear 23 side and is in contact with the gear 23.

  On the other hand, when the dust collecting filter 5 is cleaned, the blower 19 is stopped and the brush 25B is separated from the gear 23 as shown in FIG. In this state, when the gear 23 is rotated clockwise, the dust collection filter 5 is operated, the dust collection filter 5 is cleaned by the brush 25, and the dust DS from the dust collection filter 5 is detached (FIG. 3B). reference).

  After the gear 23 rotates until only the rear end portion (the left end portion in FIG. 3A) of the dust collection filter 5 is engaged with the gear 23, the gear 23 rotates in the opposite direction (counterclockwise). As shown in FIG. 3 (c), only the rear end portion of the dust collecting filter 5 is slightly engaged with the gear 23 (not "U" shape but "I" shape). Until only 25A is engaged).

  According to the air conditioner 1, the dust separation unit 7 that separates the dust DS captured by the dust collection filter 5 and the dust discharge unit 9 that discharges the dust DS separated by the separation unit 7 to the outside of the vehicle 3 are provided. Therefore, it is not necessary for the user of the vehicle 3 such as a driver to check, clean, or replace the dust collection filter 5, and it is not necessary to discard the dust DS removed (detached) from the dust collection filter 5 by itself. Maintenance work due to can be almost eliminated.

  In addition, according to the air conditioner 1, the dust discharge unit 9 is configured to discharge the dust DS by the traveling wind of the vehicle 3, so that the dust DS can be reliably discharged out of the vehicle 3 with a simple configuration. be able to.

  Further, according to the air conditioner 1, the dust detaching portion 7 is configured to prevent the separated dust DS from flowing into the vehicle interior of the vehicle 3, so that the vehicle 3 can be configured with a simple configuration. It is possible to prevent the dust DS from flowing into the passenger compartment.

  Moreover, according to the air conditioning apparatus 1, after cleaning the dust collection filter 5, when the dust collection filter 5 is in a position where dust collection is performed, the brush 25 engages with the gear 23 so that the separated dust DS is removed. Is prevented from flowing into the vehicle interior of the vehicle 3, the dust DS can be further prevented from flowing into the vehicle interior of the vehicle 3 with a simple configuration.

  Further, according to the air conditioner 1, the brush 25 (25B) is engaged with the gear 23 using a change in air pressure due to the operation of the blower 19, so the brush 25B is moved separately. Therefore, it is possible to prevent dust from flowing into the vehicle interior of the vehicle 3 without using an actuator for this purpose.

  The air conditioner described above is an air conditioner for vehicles, and automatically cleans the dust collection filter and the dust collection filter, and automatically removes the dust separated from the dust collection filter by this cleaning. It is an example of the air conditioning apparatus which has the cleaning part to discard automatically.

  The cleaning unit includes, for example, the dust detachment unit and the dust discharge unit.

DESCRIPTION OF SYMBOLS 1 Air conditioning apparatus 3 Vehicle 5 Dust collection filter 7 Dust detachment part 9 Dust discharge part 19 Air flow generation part 21 Dust collection filter movable part 23 Gear 25, 25A, 25B Brush

Claims (6)

In an air conditioner for a vehicle,
A dust collecting filter;
A dust detachment portion for detaching the dust captured by the dust collection filter;
A dust discharge part for discharging the dust released from the dust release part to the outside of the vehicle;
An air conditioner characterized by comprising: In the air conditioning apparatus according to claim 1,
The air conditioner is characterized in that the dust discharge part is configured to discharge dust by the traveling wind of the vehicle. The air conditioner according to claim 1 or 2,
The dust detachment portion includes a dust collection filter movable portion that moves the dust collection filter. The dust collection filter movable portion moves the dust collection filter to move the dust, and the detachment is performed. An air conditioner configured to prevent the generated dust from flowing into the passenger compartment of the vehicle. In the air conditioning apparatus according to claim 3,
The dust detachment portion includes a gear that moves the dust collection filter by engaging and rotating with the dust collection filter, and a brush that engages with the dust collection filter and releases the dust by the movement of the dust collection filter. Is configured with
After the dust collection filter is cleaned, when the dust collection filter is in a position to collect dust, the brush is engaged with the gear so that the detached dust flows into the vehicle interior of the vehicle. It is comprised so that it may prevent. The air conditioning apparatus characterized by the above-mentioned. In the air conditioning apparatus according to claim 4,
An air flow generating unit that generates an air flow passing through the dust collecting filter;
The air conditioner is characterized in that the engagement of the brush with the gear is made using a change in air pressure due to the operation of the air flow generation unit. In an air conditioner for a vehicle,
A dust collecting filter;
A cleaning unit that cleans the dust collection filter and discards the dust separated from the dust collection filter by this cleaning,
An air conditioner characterized by comprising:

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