JP2007029792A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner which reduces noise leaking outside so as not to give discomfort to users. <P>SOLUTION: The air cleaner 100 is provided with a body 110 of a casing having an opening at the front as a part of the ventilation conduit, a blower installed in the ventilation conduit and a front panel 140 fitted to the body 110 of the casing so as to cover the opening. The sucking port 124 of the ventilation conduit is composed by a gap formed between the body 110 of the casing and the front panel 140. The sucking port 124 is opened to the backward of the air cleaner 100. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an air conditioner, and more particularly to an air conditioner having an air purifying function for purifying indoor air.

  An air conditioner is known as a device for controlling the temperature, humidity, pollution degree, and the like of indoor air. This air conditioner has a mechanism that takes in indoor air into the apparatus, changes the physical properties of the taken-in air to obtain a desired state of air, and then blows out the processed air to the outside of the apparatus. . In particular, with recent changes in the living environment, an air conditioner (hereinafter, referred to as an air purifier) having an air purifying function that improves the degree of indoor air pollution has attracted attention.

  In general, in an air cleaner, an air inlet / outlet for air supply / exhaust is provided on the outer surface of the apparatus main body, and a ventilation path is provided in the apparatus main body for communicating the air inlet and the air outlet. In addition, a blower fan as a blowing means for generating an air flow in the ventilation path, various filters for cleaning the air, and the like are installed.

  In recent years, high-performance filters tend to be mounted on air cleaners so that a higher air cleaning function can be obtained. For example, an air purifier equipped with a filter assembly in which a filter with a dust collection function and a deodorization function is stacked with a filter with a function to capture and sterilize or sterilize airborne bacteria harmful to the human body. Air purifiers equipped with a filter having a deodorizing function and an adsorbent that adsorbs chemical substances harmful to the human body, such as formaldehyde, are becoming popular. In addition, air purifiers and the like that employ a HEPA (High Efficiency Particulate Air) filter capable of capturing fine particles having a finer particle diameter as a dust collection filter have become widespread.

  In such an air purifier, the case may be divided into a main body casing and a front panel in consideration of the convenience of maintenance work such as cleaning and replacement of the filter and inspection and repair of the blower fan. Many. More specifically, a housing is constituted by a main body casing having a box shape with a front opening and a front panel attached to the main body casing so as to cover the opening, and a filter and a blower fan are installed behind the opening. Structure is adopted. By adopting such a structure, it is possible to expose the filter and the blower fan through the opening provided in the front surface of the main body casing by removing the front panel from the main body casing, and the maintenance work can be easily performed. It becomes like this.

  In the air purifier adopting the above-mentioned configuration, an opening such as a slit is provided in the front panel to form a suction port, or a gap is formed between the front panel and the main body casing, and this gap is used as the suction port. The configuration to be used is adopted. For example, Japanese Patent Laid-Open No. 2000-121111 (Patent Document 1) discloses the former configuration, and Japanese Patent Laid-Open No. 2003-161482 (Patent Document 2) discloses the latter configuration. )

  In the air cleaner disclosed in Patent Document 2, a front panel having a size larger than that of the filter storage portion is provided on the front surface of the filter storage portion at the front central portion of the main body casing. Is configured to be attached to the main body casing at a predetermined interval. By comprising in this way, it is set as the air cleaner which utilized the clearance gap formed between a front panel and a main body casing as a suction port of room air. Here, in the air cleaner disclosed in Patent Document 2, the size of the front panel is set to be approximately the same as the front surface of the main casing. Therefore, the air inlet of the ventilation path opens toward the side of the air cleaner.

Moreover, in the air cleaner disclosed in the above-mentioned Patent Document 2, the engaging protrusion that engages with the panel receiver protruding from the front surface of the main body casing and supports the weight of the front panel is provided at the upper portion of the rear surface of the front panel. A movable engagement piece that is formed and engages with a hook portion provided at the lower portion of the front surface of the main body casing is disposed at the lower portion of the rear surface of the front panel. By comprising in this way, it is set as the air cleaner which makes it easy to attach or detach a front panel with respect to a main body casing, and can perform cleaning and replacement | exchange of a filter easily.
JP 2000-121111 A JP 2003-161482 A

  In general, in an air conditioner, the sound of a motor that rotationally drives a blower fan or the wind noise of air that passes through a ventilation path leaks out as noise to the outside of the apparatus via a suction port or a blower outlet of the ventilation path. There is a problem. In recent air cleaners, with the enhancement of filter functions, filter assemblies in which several filters are laminated, fine filters represented by HEPA filters, etc. have been used, In an air cleaner equipped with these high-function filters, a high output blower fan is used as a blower means because the flow resistance tends to increase and the pressure loss tends to increase. In such an air cleaner, the problem of noise becomes particularly significant, and it is necessary to take some noise countermeasures.

  In the air purifier adopting the configuration disclosed in Patent Document 1, since the suction port is open toward the front on the front surface of the apparatus main body, noise is particularly noticeable in front of the air purifier. On the other hand, in the air purifier adopting the configuration disclosed in Patent Document 2, since the suction port is open toward the side of the apparatus main body, noise is particularly noticeable on the side of the air cleaning. .

  Usually, the air conditioner is often arranged along a wall surface in the room, and the user is located in front of or on the side of the air conditioner. However, in the air conditioner disclosed in Patent Document 1 or 2, the noise spreads mainly toward the front or side of the main body of the apparatus through the suction port, which causes discomfort to the user. There is a high risk.

  Accordingly, the present invention has been made to solve the above-described problems, and an object thereof is to provide an air conditioner in which noise leaking to the outside is reduced so as not to cause discomfort to the user.

  An air conditioner according to the present invention includes a main body casing having an opening serving as a part of a ventilation path on a front surface, a blower installed in the ventilation path, and a front surface attached to the main body casing so as to cover the opening. A suction port of the ventilation path and a part of the ventilation path are configured by a gap formed between the main body casing and the front panel, and the suction port is rearward. It is characterized by opening toward.

  With this configuration, the suction port opens toward the rear of the air conditioning device, so that noise leaking from the suction port does not spread directly toward the front or side of the device where the user is located. Further, since the ventilation path is folded back at the front portion of the apparatus body and extends rearward, a long distance from the suction port to the air blowing means can be secured, and most of the noise generated by the air blowing means is reflected. The sound travels toward the inside of the air conditioner again, and noise leaking from the air conditioner can be greatly reduced. As described above, it is possible to provide a low-noise air conditioning apparatus that does not cause discomfort to the user.

  In the air conditioner according to the present invention, it is preferable that the width of the front panel is formed larger than the width of the main casing, and in this case, the front panel faces rearward from the main surface. It is preferable to have the side part standing upright. And it is preferable that a part of the said suction inlet and the said ventilation path is comprised by the side part of the said front panel and the side surface of the said main body casing.

  By comprising in this way, a suction inlet can be opened toward the back of an apparatus main body by simple structure. Therefore, it is possible to easily and inexpensively manufacture an air conditioner in which the suction port is opened rearward.

  In the air conditioner according to the present invention, it is preferable that the main body casing has a recess that extends behind the opening, and in that case, it is preferable that a filter is accommodated in the recess.

  With this configuration, the filter can be exposed by a simple operation of removing the front panel from the main body casing, so that maintenance work such as cleaning and replacement of the filter can be performed very easily. Become.

  In the air conditioner according to the present invention, a hooking projection receiving portion that can be hooked on a hooking projection provided on the upper portion of the front panel is formed on the upper portion of the main body casing, and the main casing is configured as described above. It is preferable that an engaging claw receiving portion that can be engaged with an engaging claw provided at a lower portion of the side portion of the front panel is formed at a lower portion of the side surface. In the air conditioner according to the present invention, a hooking projection receiving portion that can be hooked on a hooking projection provided on the upper portion of the front panel is formed on the upper portion of the main body casing, and the front panel is formed. An engaging claw receiving portion that can be engaged with an engaging claw provided at a lower portion of the side surface of the main body casing may be formed at a lower portion of the side portion.

  By comprising in this way, it becomes possible to arrange | position the engaging claw and the engaging claw receiving part which are attaching parts for attaching a front panel to a main body casing in the side part of an apparatus. Therefore, it is not necessary to provide a mounting portion in the front part of the apparatus (that is, the front surface of the main body casing and the rear surface of the front panel), and therefore the distance between the front surface of the main body casing and the rear surface of the front panel is set short. Therefore, an air conditioner with a reduced depth can be obtained.

  According to the present invention, since it is possible to provide an air conditioning device with reduced noise leaking outside the device, there is no discomfort to the user.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following embodiment, a stationary air cleaner having an air cleaning function will be described as an example of an air conditioning device.

  First, with reference to FIG. 1 thru | or FIG. 5, the external appearance structure of the air cleaner in this Embodiment is demonstrated. FIG. 1 is a schematic perspective view of the air cleaner according to the present embodiment as viewed from the front side, and FIG. 2 is a schematic perspective view as viewed from the back side. FIG. 3 is a top view of the air cleaner in the present embodiment. FIG. 4 is an exploded perspective view showing the assembly structure of the front panel, filter holding frame, and high-function filter of the air cleaner according to the present embodiment. FIG. 5 is a front view of the air cleaner according to the present embodiment. It is a schematic perspective view of the state which removed the panel, the filter holding frame, and the high function filter from the main body casing.

  As shown in FIGS. 1 to 3, the air cleaner 100 according to the present embodiment mainly includes a main body casing 110 and a front panel 140. The main body casing 110 is a box-shaped body having a vertically long front opening, in which main parts of the air purifier 100 are housed. The opening provided in the front surface of the main body casing 110 becomes a part of the ventilation path. A leg portion 112 is provided at the lower portion of the main body casing 110. This leg part 112 is a site | part for mounting the air cleaner 100 on a floor surface etc. in an upright state. The main body casing 110 is configured by combining a plurality of members as necessary.

  A handle portion 114 is provided on the back surface of the main casing 110. This handle portion 114 is provided in consideration of convenience when the air cleaner 100 is lifted and transported. A power cord 192 is drawn from the back surface of the main casing 110.

  The front panel 140 has a side portion 141 provided so as to stand rearward from the main surface thereof, and is detachably attached to the main body casing 110. Here, the width of the front panel 140 is formed larger than the width of the main body casing 110, and the front panel 140 is attached so as to cover a part of the front surface and side surfaces of the main body casing 110. The front panel 140 is attached as a sound insulation member for preventing noise generated by a sirocco fan or a motor, which will be described later, from leaking out of the apparatus during the operation of the apparatus. It is also for ensuring the above aesthetics. Further, an upper panel 142 is provided on the upper surface of the front panel 140, and various operation buttons, display lamps, and the like are provided on the upper panel 142.

  As shown in FIG. 2, a gap is provided between the side surface of the main body casing 110 and the side portion 141 of the front panel 140. This gap forms part of the suction port 124 and the ventilation path. The inlet 124 is an opening for introducing air outside the apparatus into the apparatus. Further, a dust sensor 136 is provided in a portion of the side surface of the main body casing 110 adjacent to the suction port 124. On the other hand, as shown in FIGS. 2 and 3, air outlets 126 </ b> A and 126 </ b> B are provided in the upper portion of the main body casing 110. The air outlets 126A and 126B are openings for leading the air cleaned inside the apparatus to the outside of the apparatus.

  As described above, various operation buttons, display lamps, and the like are arranged on the upper panel 142 of the front panel 140. In the air cleaner 100 according to the present embodiment, as shown in FIG. 3, a power button 160 that switches on / off operation of the air cleaner 100 and an ion generator that switches an operating state of an ion generator described later. Switching button 161, an operation mode switching button 162 for switching the operation mode of the air purifier 100, a shortcut button 163 for shifting from a power-off state to a specific operation by a one-touch operation, and the like. Further, on the upper panel 142, adjacent to these buttons, an operation state display lamp 171 of the ion generator indicating the operation state of the ion generator and an operation mode display lamp 172 for displaying the operation mode of the air purifier 100 are displayed. In addition, a shortcut operation presence / absence display lamp 173 indicating whether or not the operation of the shortcut button is being performed is provided.

  Furthermore, in the air cleaner 100 according to the present embodiment, the air cleaner 100 is integrated with the air outlet 126B protruding from the upper surface of the air cleaner 100 so that the air cleaner 100 can be easily seen from the front. A dirt state display unit 174 and an operation state display unit 175 of the ion generator are provided. The contamination state display unit 174 is a display unit that visually indicates the degree of contamination of room air to the user by modulating the color, luminance, and the like of the light emitting diode 174a that is a light source disposed below the contamination state display unit 174. In addition, this dirt state display part 174 is comprised so that the display may be switched according to the contamination degree of the air detected by the above-mentioned dust sensor 136 and the odor sensor 138 (refer FIG. 5) mentioned later. On the other hand, the operation state display unit 175 of the ion generation device is a display unit that visually indicates the operation state of the ion generation device to the user by modulating the color, brightness, and the like of the light emitting diode 175a disposed therebelow. is there. The operation state display unit 175 of the ion generation device is a display unit that performs the same function as the operation state display lamp 171 of the ion generation device described above.

  As shown in FIG. 4, the high function filter 151 is accommodated in the recess 118 provided on the front side of the main body casing 110. Various configurations are conceivable as the configuration of the high function filter 151. In the air cleaner 100 according to the present embodiment, the deodorizing filter 152, the formaldehyde adsorption filter 153, and the antibacterial / dust collecting unit are sequentially arranged from the front side. Three filters are arranged in the order of the filter 154. The deodorizing filter 152, the formaldehyde adsorption filter 153, and the antibacterial / dust collecting filter 154 are fixed in the recess 118 of the main casing 110 by fixing the filter holding frame 150 disposed in front of the deodorizing filter 152, the antibacterial / dust collecting filter 154 to the front surface of the main casing 110. Will be retained. In addition, the recessed part 118 in which the high function filter 151 is arrange | positioned itself comprises a part of ventilation path.

  As shown in FIG. 5, a communication wall 121 is provided in the partition wall 120 provided behind the recess 118 of the main body casing 110, and a metal guard 122 is attached to the front surface of the communication hole 121. The partition wall 120 partitions the internal space of the main body casing 110 into a front space S1 (see FIG. 6) and a rear space S2 (see FIG. 6). The metal guard 122 is used by an operator during maintenance work or the like. This is a guard member for preventing a finger from being inserted into the operating fan. An odor sensor 138 is provided at a predetermined position on the front surface of the main body casing 110.

  Next, with reference to FIGS. 6 to 8, the internal structure of the air cleaner and the air flow inside the apparatus main body in the present embodiment will be described. 6 is a schematic cross-sectional view taken along line VI-VI shown in FIG. 1 of the air cleaner in the present embodiment, and FIG. 7 is a schematic cross-sectional view taken along line VII-VII shown in FIG. . FIG. 8 is a partially broken rear view showing a state in which a member constituting the rear portion of the main body casing is removed in the air cleaner according to the present embodiment.

  As shown in FIGS. 6 and 7, a partition wall 120 is located inside the air cleaner 100 described above. In front of the partition wall 120, a high-performance filter 151 composed of a deodorizing filter 152, a formaldehyde adsorption filter 153, and an antibacterial / dust collection filter 154 is disposed. A front panel 140 is disposed. The high function filter 151 divides the front space S1 positioned between the front panel 140 and the partition wall 120 into two in the front-rear direction, and these spaces serve as ventilation paths. As shown in FIG. 7, the front space S <b> 1 communicates with the outside of the apparatus via the suction port 124 on the side of the main body casing 110.

  As shown in FIGS. 6 to 8, a sirocco fan 130 as a blowing means is disposed behind the partition wall 120. The sirocco fan 130 is rotationally driven by a motor 132 disposed behind the sirocco fan 130. Here, as shown in FIG. 8, the sirocco fan 130 is located at a position displaced by a predetermined distance in the lateral direction from the center in the width direction of the main body casing 110 when the air cleaner 100 is viewed from the back (front). Is provided. This is because in an air purifier, it is necessary to provide an air passage on one side of the sirocco fan in order to efficiently guide the air blown out from the sirocco fan to the air outlet. This is because the sirocco fan needs to be unevenly distributed laterally from the central portion of the main casing as described above in order to reduce the width dimension of the main casing as much as possible. The communication hole 121 provided in the partition wall 120 is provided so as to face the suction surface of the sirocco fan 130.

  The rear space S2 of the main casing 110 communicates with the air outlets 126A and 126B provided in the upper portion of the main casing 110. Louvers 126a and 126b are provided in the air outlets 126A and 126B, respectively. The louvers 126a and 126b are for adjusting the direction of the air blown out from the air outlets 126A and 126B.

  A flow path forming member 123 is disposed in the rear space S2 of the main body casing 110. The flow path forming member 123 is for guiding the air flow introduced into the rear space S2 by the sirocco fan 130 to the air outlets 126A and 126B, and the air flow path in the rear space S2 by the partition wall 120. (That is, a member forming a ventilation path). The flow path forming member 123 is formed in a shape that surrounds the sirocco fan 130 in the lower part and guides the air blown out of the sirocco fan 130 in the upper part to the outlets 126A and 126B.

  At a predetermined position of the partition wall 120 facing the rear space S2, an ion generator 134 that releases at least one of positive ions and negative ions to the air passing through the rear space S2 is provided. In the ion generator 134, oxygen or moisture in the air is ionized by applying an alternating voltage between electrodes provided in the ion generating element. Then, by arranging the ion emission surface of the ion generator 134 so as to face the air passage, the generated ions are put on the air flow and discharged to the outside of the device.

  In the air cleaner 100 having the above-described configuration, the sirocco fan 130 is rotationally driven by the motor 132, whereby negative pressure is generated in the front space S <b> 1 of the main body casing 110, and the suction port located on the side of the main body casing 110. Indoor air is taken into the front space S1 via 124 (see FIG. 7). The taken-in air is subjected to deodorization treatment, formaldehyde adsorption treatment, dust collection treatment and antibacterial treatment when passing through the high-performance filter 151, and passes through the communication hole 121 provided in the partition wall 120 to be rear space. Introduced into S2 (see FIGS. 6 and 7).

  The air flowing into the rear space S2 is blown out from the peripheral surface portion of the sirocco fan 130 to the outside. The air blown out from the sirocco fan 130 is guided to the flow path forming member 123 and rises in the rear space S2, and positive ions or / and negative ions having a predetermined concentration are added by the ion generator 134, so that the air outlet 126A, The air is blown into the room from 126B (see FIGS. 6 and 8). 6 to 8, the air flow is indicated by arrows.

  Next, with reference to FIG. 9 thru | or FIG. 13, the structure of the front panel of the air cleaner in this Embodiment is demonstrated in detail. 9A and 9B are diagrams showing the structure of the front panel of the air purifier in the present embodiment. FIG. 9A is a rear view of the front panel, FIG. 9B is a top view, and FIG. It is a bottom view. FIG. 10 is a view showing the shape of the first resin member attached to the upper part of the front panel of the air cleaner in the present embodiment, and FIG. 10 (A) is a top view of the first resin member, and FIG. ) Is a rear view. FIG. 11 is a view showing the shape of the second resin member attached to the lower part of the front panel of the air cleaner in the present embodiment, and FIG. 11 (A) is a top view of the second resin member, and FIG. ) Is a rear view. FIG. 12 is an exploded view showing an attachment structure for attaching the first resin member to the front panel, and FIG. 13 is an exploded view showing an attachment structure for attaching the second resin member to the front panel.

  The front panel 140 of the air cleaner 100 in the present embodiment has a shape as shown in FIGS. 9 (A) to 9 (C). Specifically, the front panel 140 includes a main surface that covers the front surface of the main body casing 110 in a state where the front panel 140 is attached to the main body casing 110, and side portions 141 that are erected rearward from both side ends of the main surface. The upper surface panel portion 142 that connects the upper end of the main surface and the upper end of the side portion 141, and the lower end surface 143 that connects the lower end of the main surface and the lower end of the side portion 141. Resin coating is applied to the inner surfaces of these main surface, side portion 141, upper surface panel portion 142, and lower end surface 143 (that is, the side facing main body casing 110 after being attached to main body casing 110). 144 (see FIGS. 9, 12, 13, and 15). A first resin member 180 is attached to the upper panel portion 142 of the front panel 140, and a second resin member 185 is attached to the lower end surface 143 of the front panel 140.

  The main surface, the side portion 141, the upper surface panel portion 142, and the lower end surface 143 constituting the front panel 140 are formed as a molded product integrated by resin molding using a mold. More specifically, it is formed by injection molding using a transparent or translucent resin material. Examples of the resin material used for the injection molding include acrylonitrile-styrene copolymer (AS) resin. On the other hand, the first resin member 180 and the second resin member 185 are formed as an injection-molded product integrated by resin molding using a mold in the same manner as the front panel 140, but are different from the front panel 140. It is molded using a non-transparent resin material. Examples of the resin material used for the injection molding include acrylonitrile-butadiene-styrene (ABS) resin.

  As shown in FIGS. 10A and 10B, the first resin member 180 is formed of a flat plate-like member, and has a plurality of button housing recesses 181 at predetermined positions on the upper surface thereof. The button housing recess 181 is a recess into which the buttons 160 to 163 are fitted. The first resin member 180 has a plurality of engaging protrusions 182 at predetermined positions on the lower surface thereof. A screw hole 183 is formed in the first resin member 180 at the portion provided with the engaging protrusion 182 from the upper surface side.

  As shown in FIGS. 11 (A) and 11 (B), the second resin member 185 is formed of a flat plate-like member, and has an engagement claw 186 and a rattling prevention protrusion 187 at a predetermined position on the back surface thereof. is doing. One set of the engaging claws 186 and the rattling-preventing protrusions 187 is provided at both end portions of the second resin member. Further, a plurality of screw holes 188 (see FIG. 13) are formed on the lower surface of the second resin member 185 from the lower surface side.

  As shown in FIG. 9B, the first resin member 180 is attached to the front panel 140 with screws 184. More specifically, as shown in FIG. 12, the first resin member 180 is disposed so as to reach the lower surface of the upper panel portion 142 of the front panel 140, and the screw 184 is drilled in the first resin member 180. The first resin member 180 is fixed to the front panel 140 by being attached to the screw hole 183. Then, the buttons 160 to 163 (only the button 163 is shown in FIG. 12) are placed from above on the button accommodating recess 181 provided on the upper surface of the first resin member 180 through the hole provided in the upper panel portion 142. Then, the seal member 190 is attached to the upper surface of the upper panel portion 142. Accordingly, the button 163 is supported so as to be sandwiched between the first resin member 180 and the seal member 190.

  As shown in FIGS. 9A and 9C, the second resin member 185 is attached to the front panel 140 with screws 189. More specifically, as shown in FIG. 13, the second resin member 185 is disposed so as to reach the upper surface of the lower end surface 143 of the front panel 140, and the screw 189 is drilled in the second resin member 185. The second resin member 185 is fixed to the front panel 140 by being attached to the hole 188.

  Next, with reference to FIG. 14 and FIG. 15, the attachment structure of the front panel with respect to the main body casing of the air cleaner in this Embodiment is demonstrated. FIG. 14 is a top view of the main body casing of the air cleaner in the present embodiment. FIG. 15 is a horizontal sectional view of the vicinity of the attachment portion between the main body casing and the front panel of the air purifier in the present embodiment.

  As shown in FIG. 14, when the front panel 140 is not attached to the main body casing 110, the upper surface portion 115 of the main body casing 110 is located on the upper surface of the air cleaner 100. A plurality of engaging protrusion receiving portions 116 and a plurality of elastic deformation portions 117 are provided at predetermined positions on the upper surface portion 115 of the main body casing 110. Among these, the hooking projection receiving portion 116 is formed of a recess provided so that the hooking projection 182 provided on the upper surface panel portion 142 of the front panel 140 described above can be hooked, and the main body casing according to the number of the hooking projections 182. 110 is provided on an upper surface portion 115 of 110. When attaching the front panel 140 to the main casing 110, first, as a first step, the engaging projection receiving section 116 provided on the upper face 115 of the main casing 110 is engaged with the upper panel 142 of the front panel 140. The protrusion 182 is hooked.

  Note that the elastic deformation portion 117 is configured so that when the user presses the buttons 160 to 163 provided on the upper surface panel portion 142 of the front panel 140 described above, the elastic deformation portion 117 is elastically deformable in accordance with the pressing operation. 163 is disposed in the vicinity of 163 and is provided on the upper surface 115 of the main body casing 110 according to the number of buttons 160 to 163. A circuit board provided with a control circuit and the like for controlling the operation of the air purifier 100 is disposed below the upper surface portion 115 of the main body casing 110. A tact switch that is switched by the vertical movement of the elastic deformation portion 117 accompanying the pressing operation by the user is mounted on a portion of the circuit board located below the elastic deformation portion 117. Thus, various operations of the air purifier 100 are switched. In addition, a sealing member is affixed to the area | region A of the upper surface part 115 of the main body casing 110 shown with the broken line in FIG. This seal member serves as a waterproof means for preventing water droplets from dripping down on the circuit board.

  As shown in FIG. 15, an engaging portion 128 projects outward from the lower portion of the side surface of the main body casing 110. The engaging portion 128 includes an engaging claw receiving portion 128a protruding forward and a rattling-preventing protrusion receiving portion 128b provided in a concave shape toward the rear. On the other hand, on the inner surface of the second resin member 185 attached to the lower portion of the front panel 140, an engagement claw 186 and a rattling prevention protrusion 187 are provided. Both the engaging claws 186 and the rattling prevention protrusion 187 are provided so as to protrude rearward from the side portion 141 of the front panel 140. Both the engaging claws 186 provided on the front panel 140 and the engaging claw receiving portions 128a provided on the main body casing 110 are formed in a hook shape.

  When the front panel 140 is attached to the main body casing 110, following the first stage described above, as the second stage, the lower part of the front panel 140 is placed on the main body casing 110 while the hooking protrusion 182 is hooked on the hooking protrusion receiving portion 116. Press toward. As a result, the engaging claw 186 provided on the front panel 140 engages with the engaging claw receiving portion 128 a provided on the engaging portion 128 of the main body casing 110, and the rattling provided on the front panel 140. The prevention protrusion 187 is inserted into the rattling prevention protrusion receiving part 128 b provided on the engagement part 128 of the main body casing 110. As described above, the front panel 140 is attached to the main body casing 110 so that the front panel 140 is positioned in front of the main body casing 110. As described above, when the front panel 140 is attached to the main body casing 110, the rattling prevention projection 187 is inserted into the rattling prevention projection receiving portion 128b. The upper and lower surfaces and the left and right surfaces of the prevention protrusion 187 come into contact with the inner surface of the rattling prevention protrusion receiving portion 128b, thereby restricting the movement of the front panel 140 in the up and down direction and the left and right direction. Sticking will be prevented.

  On the other hand, when removing the front panel 140 from the main body casing 110, the front panel 140 is pulled toward the front while holding the lower part of the front panel 140, so that the engagement claw 186 and the engagement claw receiving part 128a are connected. The engagement is released, and then the front panel 140 is lifted upward to release the engagement of the engagement protrusion 182 with the engagement protrusion receiving portion 116 described above. In the design stage, by optimizing the shape and arrangement position of the engaging claw 186 and the engaging claw receiving portion 128a, the engagement between the engaging claw 186 and the engaging claw receiving portion 128a can be released. The required force can be set to a predetermined magnitude. Moreover, since the engaging direction of the above-mentioned engaging claw 186 and the engaging claw receiving portion 128a is the same direction as the removing direction of the front panel 140, these attaching portions are damaged when the front panel 140 is removed. Will be prevented in advance.

  As described above, in the air cleaner 100 according to the present embodiment, the width dimension of the front panel 140 is made larger than the width dimension of the main body casing 110, and the rear surface is directed from the main surface of the front panel 140. Since the side portion 141 is erected and the suction port 124 and a part of the ventilation path are configured by the gap between the side portion 141 and the side surface of the main body casing 110, the suction port 124 is air-cleaning. The opening is made toward the rear of the machine 100, and noise leaking from the suction port 124 spreads toward the rear of the apparatus. Therefore, the motor sound and wind noise generated inside the air cleaner 100 do not spread directly toward the front or side of the device where the user is located. Further, since the ventilation path is folded back at the front portion of the apparatus main body and extends rearward, a long distance from the suction port 124 to the sirocco fan 130 and the motor 132 can be secured, and the sirocco fan 130 and the motor 132 Most of the generated noise is reflected on the front panel 140 and travels toward the inside of the air cleaner 100 again, so that the noise leaking from the air cleaner 100 can be greatly reduced. As described above, it is possible to provide a low-noise air cleaner that does not cause discomfort to the user.

  In the air cleaner 100 described above, the engaging claw 186 and the engaging claw receiving portion 128a, which are attachment portions for attaching the front panel 140 to the main body casing 110, are disposed on the side portion of the apparatus. Is possible. Therefore, it is not necessary to provide a mounting portion in the front portion of the apparatus (that is, between the front surface of the main body casing 110 and the rear surface of the front panel 140). It becomes possible to set the distance between them short, and it can be set as the air cleaner by which the depth was narrowed.

  In the above-described embodiment, the case where the air inlet for sucking indoor air into the apparatus is constituted by the gap between the side portion of the front panel and the side surface of the main body casing has been described as an example. The present invention is not particularly limited to such a form, and a clearance is formed between the lower end surface of the front panel and the lower end surface of the main body casing, or the upper end surface of the front panel and the main body casing are formed. It is good also as a suction inlet by providing a clearance gap between the upper end surfaces.

  Moreover, in the above-described embodiment, the case where the engaging claw is provided on the front panel side and the engaging claw receiving portion is provided on the main body casing side is described as an example. However, these are provided in reverse. Is of course possible.

  Moreover, in the above-mentioned embodiment, although the stationary air cleaner was illustrated and demonstrated as an air conditioner, the application object of this invention is not limited to this. The air conditioning apparatus in the present invention refers to all apparatuses that introduce air from outside the apparatus into the apparatus, perform some processing on the introduced air, and send the air to the outside of the apparatus. Therefore, in addition to the stationary air purifier described above, the air conditioner is a wall-mounted air purifier, an in-vehicle air purifier, an air conditioner, a dehumidifier, a humidifier, an oil fan heater, Includes a gas heater and the like.

  Thus, the above-described embodiment disclosed herein is illustrative in all respects and is not restrictive. The technical scope of the present invention is defined by the terms of the claims, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

It is the schematic perspective view which looked at the air cleaner in embodiment of this invention from the front side. It is the schematic perspective view which looked at the air cleaner in embodiment of this invention from the back side. It is a top view of the air cleaner in embodiment of this invention. It is a disassembled perspective view which shows the assembly | attachment structure of the front panel of the air cleaner in embodiment of this invention, a filter holding frame, and a highly functional filter. In the air cleaner in embodiment of this invention, it is a schematic perspective view of the state which removed the front panel, the filter holding frame, and the high performance filter from the casing. It is a schematic cross section along the VI-VI line shown in FIG. 1 of the air cleaner in the embodiment of the present invention. It is a schematic cross section along the VII-VII line shown in Drawing 1 of an air cleaner in an embodiment of the invention. In the air cleaner in embodiment of this invention, it is a partially broken rear view which shows the state which removed the member which comprises the back surface part of a main body casing. It is a figure which shows the structure of the front panel of the air cleaner in embodiment of this invention, (A) is a rear view of a front panel, (B) is a top view, (C) is a bottom view. It is a figure which shows the shape of the 1st resin member attached to the upper part of the front panel of the air cleaner in embodiment of this invention, (A) is a top view of a 1st resin member, (B) is a rear view. . It is a figure which shows the shape of the 2nd resin member attached to the lower part of the front panel of the air cleaner in embodiment of this invention, (A) is a top view of a 2nd resin member, (B) is a rear view. . It is an exploded view which shows the attachment structure of the front panel and 1st resin member of the air cleaner in embodiment of this invention. It is an exploded view which shows the attachment structure of the front panel and 2nd resin member of the air cleaner in embodiment of this invention. It is a top view of the main body casing of the air cleaner in embodiment of this invention. It is a horizontal sectional view in the attachment part vicinity of the main body casing and front panel of the air cleaner in embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 100 Air cleaner, 110 Main body casing, 112 Leg part, 114 Handle part, 115 Upper surface part, 116 Engagement protrusion receiving part, 117 Elastic deformation part, 118 Recessed part, 120 Partition wall, 121 Communication hole, 122 Metal guard, 123 Flow path Forming member, 124 suction port, 126A, 126B air outlet, 126a, 126b louver, 128 engaging part, 128a hooking claw receiving part, 128b rattling prevention protrusion receiving part, 130 sirocco fan, 132 motor, 134 ion generator, 136 Dust sensor, 138 Odor sensor, 140 Front panel, 141 Side, 142 Upper panel, 143 Lower surface, 144 Resin coating layer, 150 Filter retaining frame, 151 High performance filter, 152 Deodorization filter, 153 Formaldehyde adsorption filter, 154 Antibacterial / Dust filter, 160 Power button, 161 Ion generator switching button, 162 Operation mode switching button, 163 Shortcut button, 171 Ion generator operating status indicator lamp, 172 Operation mode indicator lamp, 173 Shortcut operation indicator lamp, 174 Dirt Status display section, 174a Light emitting diode, 175 Ion generator operating status display section, 175a Light emitting diode, 180 First resin member, 181 Button housing recess, 182 Engaging protrusion, 183 Screw hole, 184 Screw, 185 Second resin member, 186 hooking claw, 187 rattling prevention projection, 188 screw hole, 189 screw, 190 seal member, 192 power cord, S1 front space, S2 rear space.

Claims (5)

An air conditioner comprising: a main body casing having an opening on a front surface which is a part of a ventilation path; a blowing means installed in the ventilation path; and a front panel attached to the main body casing so as to cover the opening. There,
An air conditioner in which a suction port of the ventilation path and a part of the ventilation path are configured by a gap formed between the main body casing and the front panel, and the suction port is opened rearward. apparatus. The width of the front panel is larger than the width of the main body casing,
The front panel has side portions erected rearward from the main surface thereof,
2. The air conditioner according to claim 1, wherein a part of the suction port and the ventilation path is configured by a side portion of the front panel and a side surface of the main body casing. The main body casing has a recess extending behind the opening,
The air conditioner according to claim 1 or 2, wherein a filter is accommodated in the recess.   A hooking protrusion receiving portion that can be engaged with a hooking protrusion provided on the upper portion of the front panel is formed on the upper portion of the main body casing, and the side portion of the front panel is formed on the lower portion of the side surface of the main body casing. The air conditioning apparatus according to any one of claims 1 to 3, wherein an engaging claw receiving portion that can be engaged with an engaging claw provided at a lower portion of the air claw is formed.   A hooking protrusion receiving portion that can be hooked to a hooking protrusion provided on the upper portion of the front panel is formed on the upper portion of the main body casing, and the side surface of the main casing is formed on the lower portion of the side portion of the front panel. The air conditioning apparatus according to any one of claims 1 to 3, wherein an engaging claw receiving portion that can be engaged with an engaging claw provided at a lower portion of the air claw is formed.

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