JP2019007653A - Air conditioner - Google Patents

Abstract

To provide an air conditioner in which an air purifying function can be made effective as necessary, and only an air purifying filter can be replaced independently. SOLUTION: A suction port 11, a fan 20 for sucking air from the suction port 11, a heat exchanger 30 for exchanging heat with the air sucked from the suction port 11, and the air heat exchanged by the heat exchanger 30 are provided. The blower outlet 12, the air filter 70 disposed in the air flow path upstream of the fan 20, the air purification filter 80 formed and disposed separately from the air filter 70, and the air purification filter 80 An air purifying filter unit 140 having a frame (142, 143) covering a part of the air purifying filter 80; an air filter unit 130 having an air filter 70 and a frame 131 covering a part of the air filter 70; 1. An air conditioner comprising a moving device 90 for moving the arrangement position of the air purifying filter 80.

Description

  The present invention relates to an air conditioner provided with an air purifying filter.

  Patent Literature 1 proposes an air conditioner that can increase the cleanliness of the airflow without increasing the airflow resistance of the airflow.

  Patent Document 1 discloses a housing that divides an opening surface in a cross section of an airflow passage, an air filter that has a coarse dust filter in a first partition and an air cleaning filter in a second partition, and an air cleaning filter in an opening surface. And a driving member that drives the air filter between a first position where the air filter is disposed and a second position where the air purifying filter is shifted at least partially from the opening surface.

  And according to the air conditioner of patent document 1, when an air purifying filter is located in an opening surface, an air purifying function is implement | achieved because an airflow passes an air purifying filter.

  Further, when the air purifying filter is shifted from the opening surface, the coarse dust filter is located on the opening surface, and the coarse dust filter functions as an air filter, so that an increase in ventilation resistance is avoided. Thus, an air purifier is implement | achieved only when needed, and the air conditioner can raise the cleanliness | purity of an airflow, suppressing the increase in ventilation resistance.

Japanese Patent Laid-Open No. 2006-183794

  However, in the air conditioner of Patent Document 1, since the coarse dust filter and the air purification filter are integrated as an air filter, the air purification filter needs to be replaced together with the coarse dust filter. Thereby, there existed a subject that the expense accompanying replacement | exchange of an air filter will increase.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide an air conditioner in which an air purifying function can be made effective as necessary and only an air purifying filter can be replaced independently.

  In order to solve the above conventional problems, the air conditioner of the present invention includes a suction port, a fan that sucks air from the suction port, a heat exchanger that exchanges heat with the air sucked from the suction port, An air outlet through which air exchanged by the heat exchanger blows out, an air filter arranged in an air flow path on the upstream side of the fan, and an air purifying filter formed and arranged separately from the air filter An air purifying filter unit having an air purifying filter and a frame covering a part of the air purifying filter, an air filter unit having a frame covering the air filter and a part of the air filter, and And a moving device for moving the arrangement position of the air purifying filter.

  According to this, the air purifying function can be made effective as necessary, and an air conditioner that can replace only the air purifying filter can be provided.

  ADVANTAGE OF THE INVENTION According to this invention, an air purifying function can be made effective as needed, and the air conditioner which can replace | exchange only an air purifying filter can be provided.

The longitudinal cross-sectional view of the 1st operation mode of the indoor unit of the air conditioner in Embodiment 1 of this invention Vertical sectional view of the second operation mode of the indoor unit of the air conditioner Vertical sectional view of the second operation mode of the indoor unit of the air conditioner Development view of the filter unit of the air conditioner The perspective view which shows the state which attaches the filter unit of the same air conditioner to the housing | casing of an indoor unit Exploded view of the air purifier filter unit of the air conditioner A longitudinal sectional view showing a state when the air filter of the air conditioner is attached and detached

  1st invention is a fan which sucks air from the said suction inlet, the heat exchanger which heat-exchanges with the air suck | inhaled from the said suction inlet, and the air heat-exchanged by the said heat exchanger blows out An air outlet disposed in an air flow path upstream of the fan, an air purifying filter formed and disposed separately from the air filter, the air purifying filter, and the air purifying filter An air purifying filter unit having a frame that covers a part of the air filter unit, an air filter unit having a frame that covers the air filter and a part of the air filter, and a moving device that moves an arrangement position of the air purifying filter And an air conditioner.

  According to this, the air purifying function can be made effective as necessary, and an air conditioner that can replace only the air purifying filter can be provided.

  The second invention is characterized in that, in the first invention, in particular, the air purification filter unit, the air filter unit, and the moving device are configured as one unit.

  According to this, the man-hour at the time of arrange | positioning an air purifying filter unit, an air filter unit, and a moving apparatus to an indoor unit, or removing from an indoor unit can be reduced.

  The third invention is particularly characterized in that, in the first or second invention, the air purification filter unit and the air filter unit are connected via the moving device.

  According to this, the assembly man-hours of the air purification filter unit, the air filter unit, and the moving device can be reduced.

  In a fourth aspect of the invention, in particular, in any of the first to third aspects of the invention, the air filter unit has a function of automatically cleaning at least dust adhering to the air filter. .

  According to this, since the dust adhering to the air filter can be automatically cleaned or the user can manually clean the dust, it is not necessary to replace the air filter.

  The fifth invention is characterized in that, in any one of the first to fourth inventions, the user is provided with an operation switch for driving the moving device.

  According to this, since a user operates an operation switch and moves the arrangement position of an air purifying filter and can clean an air filter after that, usability can be improved.

  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)
1 to 3 are longitudinal sectional views of an indoor unit of an air conditioner according to the present embodiment. The air conditioner according to the present embodiment includes an indoor unit and an outdoor unit. The indoor unit and the outdoor unit are connected by refrigerant piping and control wiring, and the indoor unit and the outdoor unit constitute a heat pump. The outdoor unit is provided with a compressor. The indoor unit is attached to a wall surface in the room.

  The indoor unit of an air conditioner according to the present embodiment includes a main body 1 that forms a suction port 11 and an outlet 12, and a front panel 2 that is provided on the front surface of the main body 1. The suction port 11 is formed on the upper surface of the main body 1, and the air outlet 12 is formed on the lower surface of the main body 1. The rear surface 13 of the main body 1 is attached to the wall surface. Inside the main body 1, a fan 20 that sucks air from the suction port 11 and a heat exchanger 30 that exchanges heat with the air sucked from the suction port 11 are provided.

  A cross-flow fan (cross flow fan) is suitable for the fan 20. The fan 20 has a fan motor connected to any one of the left and right rotating shafts (not shown). A downstream air flow path 40 extending from the downstream side of the fan 20 to the upstream side of the air outlet 12 includes a rear guider 41 that is arranged downstream of the fan 20 and guides the flow of air, and a stabilizer 42 that faces the rear guider 41. And both side walls (not shown) of the main body 1.

  The air outlet 12 is provided with an up / down air direction changing blade 51 and a left / right air direction changing blade 52. The left and right wind direction changing blades 52 are arranged upstream of the up and down wind direction changing blades 51. The up-and-down air direction changing blade 51 opens and closes the air outlet 12 and changes the air blowing in the up-and-down direction. The left / right airflow direction changing blade 52 changes the air blowing in the left / right direction.

  A heat exchanger 30 and a filter unit 120 are disposed in the air flow path 60 on the upstream side of the fan 20. The filter unit 120 includes an air filter unit 130 and an air purification filter unit 140. The air purification filter unit 140 is coupled to the air filter unit 130 via the moving device 90 shown in FIG. As shown in FIG. 5, it is stored in the housing of the indoor unit.

  As shown in FIG. 1, the air filter unit 130 includes an air filter 70, a frame 131 that covers a part of the air filter 70, a drive unit 132 that automatically cleans the air filter 70, and a dust removal unit 133. It is configured.

  As shown in FIG. 6, the air purification filter unit 140 includes an air purification filter 80, a frame 142 arranged on the upstream side of the air flow path with respect to the air purification filter 80, and a frame arranged on the downstream side. The body 143 is configured to cover the air purification filter 80.

  In addition, the frame body 143 is provided with an engaging portion 144 as a separate member, and the rack 81 formed on the engaging portion 144 has a moving device 90 that rotates to move the air purifying filter unit 140. The gear 92 is engaged.

  The air cleaning filter 80 is formed separately from the air filter 70. The air filter 70 is a dust filter intended to capture relatively large dust. On the other hand, the air purification filter 80 is a filter that has a larger ventilation resistance than the air filter 70 and aims to capture fine particles that pass through the air filter 70, and is preferably a pleated type or a non-woven type.

  The moving device 90 moves the arrangement position of the air purification filter unit 140 without changing the shape of the air purification filter unit 140 without changing the shape.

  The moving device 90 includes, for example, a motor 91 and a gear 92. The gear 92 is meshed with a rack 81 formed in the engaging portion 144 of the air purifying filter unit 140, and the gear 92 is rotated by the motor 91. Then, the air purifying filter 80 is rotated.

  Since the air purification filter 80 is covered with the frame bodies 142 and 143, the arrangement position of the air purification filter 80 can be moved without changing the shape. Therefore, the air cleaning filter 80 is not bent and stretched, and can be prevented from being deteriorated.

  Further, by forming the engaging portion 144 of the air purifying filter unit 140 from a material having excellent lubricity different from that of the frame bodies 142 and 143, it is possible to improve the slidability in the engagement with the moving device 90. Therefore, driving durability can be improved.

  In addition, since it is not necessary to form the frames 142 and 143 with a material excellent in lubricity, an inexpensive material can be selected. Therefore, the cost of the air cleaning filter unit 140 can be reduced.

  The air cleaning filter 80 is disposed in the air flow path 60 on the upstream side of the air filter 70. Compared to the case where the air purification filter 80 is disposed in the air flow path 60 between the air filter 70 and the heat exchanger 30 by arranging the air purification filter 80 in the air flow path 60 upstream of the air filter 70. Thus, it is possible to prevent a decrease in the performance of the air cleaning filter 80 due to condensation during cooling operation.

  The moving device 90 is preferably disposed in the air flow path 60 on the upstream side of the air filter 70. By disposing the moving device 90 in the air flow path 60 on the upstream side of the air filter 70, compared to the case where the moving device 90 is disposed in the air flow path 60 between the air filter 70 and the heat exchanger 30, The influence on the moving device 90 due to condensation during the cooling operation can be reduced, and further, the increase in ventilation resistance by the moving device 90 can be prevented.

  The air purifying filter 80 may be disposed in the air flow path 60 on the upstream side of the air filter 70, and the moving device 90 may be disposed in the air flow path 60 between the air filter 70 and the heat exchanger 30.

  The air conditioner according to the present embodiment can perform at least a cooling operation, a heating operation, and an air cleaning operation, and the user can instruct the operation switching with the operation device 100.

  The operation device 100 includes an operation switch 101 for instructing a cooling operation, an operation switch 102 for instructing a heating operation, an operation switch 103 instructing an air purification operation, and an operation switch 104 for driving only the air purification filter unit. Yes.

When the user operates the operation switch 103 for instructing the air cleaning operation, the moving device 9
0 moves the arrangement position of the air purifying filter unit 140. Thus, by providing the operation switch 103 that instructs the movement device 90 to move the arrangement position of the air purification filter unit 140, the user can execute the air purification operation for enabling the air purification function by the operation switch 103. Can do.

  The air conditioner according to the present embodiment includes a dust detection sensor 110 that detects at least the presence or absence of dust contained in the air.

  The moving device 90 moves the arrangement position of the air cleaning filter unit 140 based on the result of the degree of air cleaning detected by the dust detection sensor 110.

  According to the present embodiment, it is possible to execute the air cleaning operation that makes the air cleaning function effective according to the degree of air cleaning detected by the dust detection sensor 110, that is, when dust is present.

  The air conditioner according to the present embodiment includes a first operation mode in which the air sucked from the suction port 11 passes through the air filter 70 and exchanges heat with the heat exchanger 30, and the moving device 90 includes an air purifying filter. The arrangement position of the unit 140 is moved, and the air sucked from the suction port 11 has at least a second operation mode in which the air filter 70, the air purification filter 80, and the heat exchanger 30 are passed.

  The cooling operation performed when the user operates the operation switch 101 and the heating operation performed when the user operates the operation switch 102 are the first operation mode. The air cleaning operation performed when the user operates the operation switch 103 is the second operation mode.

  The set rotation speed of the fan 20 in the second operation mode is set to be larger than at least the minimum set rotation speed of the fan 20 in the first operation mode. For example, when the fan 20 in the first operation mode can be changed to the rotation speed of “weak”, “medium”, and “strong”, the set rotation speed of the fan 20 in the second operation mode is at least “medium” rotation. The number of rotations is set to a number, or the rotation number is larger than the “weak” rotation number and smaller than the “medium” rotation number.

  As described above, by setting the set rotational speed of the fan 20 in the second operation mode to be larger than at least the minimum set rotational speed of the fan 20 in the first operation mode, the increase in the ventilation resistance by the air cleaning filter 80 is achieved. It is possible to prevent a reduction in the amount of air blown from the air outlet 12 and to secure an air amount that can sufficiently exhibit the air cleaning function.

  About the air conditioner comprised as mentioned above, the operation | movement is demonstrated below. In both the first operation mode and the second operation mode, the up / down airflow direction changing blade 51 is in a state in which the air outlet 12 is opened, but in each of FIGS. 1 to 3, the operation of the air purification filter unit 140 is performed. Only shows.

  FIG. 1 shows the air conditioner when the air conditioning operation is stopped and during the first operation mode. When the air conditioning operation is stopped and in the first operation mode, the air purification filter unit 140 is accommodated in the main body 1, that is, substantially outside the air flow path 60. In the housed state, the air purification filter unit 140 is disposed inside the front panel 2, and the gear 92 is located on the upper end side of the air purification filter unit 140.

  Therefore, the air purification filter unit 140 does not cover the suction port 11 on the upstream side of the air filter 70, that is, the air flow path 60. In this state, the air cleaning function does not work.

  2 and 3 show the second operation mode of the air conditioner. In FIG. 2, a part of the air purification filter unit 140 covers the suction port 11 on the upstream side of the air filter 70, that is, a part of the air flow path 60. In FIG. 3, almost all of the air purification filter unit 140 is The suction port 11 on the upstream side of the air filter 70, that is, a part of the air flow path 60 is covered.

  In the state of FIG. 2, the gear 92 is located at the center portion of the air purification filter unit 140, and in the state of FIG. 3, the gear 92 is located on the lower end side of the air purification filter unit 140.

  By rotating the motor 91 in the forward direction, the air purifying filter unit 140 rotates from the state of FIG. 1 to the state of FIG. 2, and the position of the air purifying filter unit 140 moves without changing its shape. Further, by further rotating the motor 91 in the forward direction, the air purifying filter unit 140 is rotated from the state of FIG. 2 to the state of FIG. Moving. That is, the air purification filter unit 140 is arranged and moved in the direction in which the flow path area covering the suction port 11, that is, the air flow path 60 is increased.

  Further, by rotating the motor 91 in the reverse direction, the air purifying filter unit 140 is rotated from the state of FIG. 3 to the state of FIG. By moving and further rotating the motor 91 in the reverse direction, the air purifying filter unit 140 is rotated from the state of FIG. 2 to the state of FIG. The position moves.

  That is, the air purifying filter unit 140 is arranged and moved in a direction in which the flow passage area covering the suction port 11, that is, the air flow passage 60 is reduced.

  Even if the moving device 90 moves the arrangement position of the air purifying filter unit 140 between the state of FIG. 1 and the state of FIG. 3 by determining whether or not to clean based on the detection result by the dust detection sensor 110. Although the detection result by the dust detection sensor 110 is good, the degree of cleanliness of air is further judged, and the second operation mode is changed to the arrangement position of the air purification filter unit 140 shown in FIG. 2 and the air purification filter shown in FIG. You may switch to the arrangement position of the unit 140.

  Further, the operation switch 103 for instructing the air cleaning operation can be instructed to switch between the strong operation and the weak operation, and when the strong operation is instructed, the arrangement position of the air cleaning filter unit 140 shown in FIG. When the weak operation is instructed, the arrangement position of the air purification filter unit 140 shown in FIG.

  Moreover, in this Embodiment, although the arrangement position of the air purifying filter unit 140 in a 2nd operation mode was demonstrated in two steps, the state of FIG. 2, and the state of FIG. 3, it is set as the arrangement position of three steps or more. You can also.

  According to the present embodiment, the air purification filter unit 140 can be stored in a limited space, and the execution of the air purification function operation can be switched according to the degree of air purification.

  Moreover, in this Embodiment, although it has the structure which cleans the dust adhering to the air filter 70 automatically, a user can also clean manually.

In that case, after the user operates the operation switch 104 of the operating device 100 and the air purification filter unit 140 moves to the position shown in FIG. 7, the cover 134 provided on the air filter unit 130 is opened, and the air filter Take out 70 and clean. Further, by reversing the above procedure, the original state as shown in FIG. 1 can be restored. With these configurations, it is not necessary to replace the air filter 70. In the present embodiment, the operation switch 104 that instructs the movement of the arrangement position of the air purifying filter unit 140 is provided in the operation device 100, but may be provided in the main body 1.

  As described above, the air conditioner according to the present invention can make the air purifying function effective as necessary, and can prevent deterioration of the air purifying filter. It can also be applied to other air conditioners.

DESCRIPTION OF SYMBOLS 1 Main body 2 Front panel 11 Suction port 12 Outlet 13 Rear surface 20 Fan 30 Heat exchanger 40 Downstream air flow path 41 Rear guider 42 Stabilizer 51 Up and down air direction change blade 52 Left and right air direction change blade 60 Air flow path 70 Air filter 80 Air purifying filter 81 Rack 90 Moving device 91 Motor 92 Gear 100 Operation device 101, 102, 103, 104 Operation switch 110 Dust detection sensor 120 Filter unit 130 Air filter unit 131 Frame body 132 Drive unit 133 Dust removal unit 134 Cover 140 Air purification filter unit 142, 143 Frame 144 Engagement part

Claims (5)

The inlet,
A fan for sucking air from the suction port;
A heat exchanger for exchanging heat with the air sucked from the inlet;
An air outlet from which air exchanged by the heat exchanger blows out;
An air filter disposed in an air flow path upstream of the fan;
An air purifying filter formed and arranged separately from the air filter;
An air purification filter unit having the air purification filter and a frame covering a part of the air purification filter;
An air filter unit having the air filter and a frame that covers a part of the air filter;
A moving device for moving the arrangement position of the air purifying filter;
An air conditioner characterized by comprising: The air conditioner according to claim 1, wherein the air purifying filter unit, the air filter unit, and the moving device are configured as one unit. The air conditioner according to claim 2, wherein the air purifying filter unit and the air filter unit are connected via the moving device. The air conditioner according to any one of claims 1 to 3, wherein the air filter unit has a function of automatically cleaning at least dust adhering to the air filter. The air conditioner according to any one of claims 1 to 4, wherein a user includes an operation switch that drives the moving device.

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