CN109073251B - air purifier - Google Patents

Abstract

The air purifier includes a filter for purifying air, a housing for holding the filter, a front cover (10) for covering the filter, and an ultraviolet irradiation device (70) for irradiating ultraviolet rays to the filter. The front cover (10) can be freely assembled and disassembled relative to the casing. The ultraviolet irradiation device (70) is covered by a casing and a front cover (10). The ultraviolet irradiation device (70) stops the irradiation of ultraviolet rays when the front cover (10) is removed.

Description

air purifier

technical field

The present invention relates to air purifiers.

Background technique

An air cleaner is described in Patent Document 1. The air cleaner described in Patent Document 1 includes a main body case and a front panel. In addition, a filter for purifying air is provided in the main body case. The front panel covers the front of the filter provided on the main body box.

Moreover, in patent document 2, the air purification apparatus provided with the ultraviolet light emitting element is described. The air purifying device described in Patent Document 2 performs sterilization using ultraviolet rays irradiated from an ultraviolet light emitting element.

prior art literature

Patent Literature

Patent Document 1: Japanese Patent Laid-Open No. 2014-108371

Patent Document 2: Japanese Patent Laid-Open No. 2014-100206

SUMMARY OF THE INVENTION

The problem to be solved by the invention

The user of the air cleaner described in the above-mentioned Patent Document 1 can perform maintenance of the filter by, for example, removing the front panel covering the filter. For example, when the filter is sterilized with ultraviolet rays as in the apparatus described in the above-mentioned Patent Document 2, if the user removes the parts covering the filter without turning off the power supply, the user may be irradiated with ultraviolet rays.

The present invention has been made to solve the above-mentioned problems. An object of the present invention is to provide an air purifier capable of sterilizing and maintaining a filter and preventing ultraviolet rays from being irradiated to a user.

solutions to problems

The air purifier of the present invention includes: a filter for purifying air; a case for holding the filter; a cover for covering the filter; and an ultraviolet irradiation device for the ultraviolet irradiation device Apply UV light to the filter. The cover can be freely assembled and disassembled with respect to the casing. The ultraviolet irradiation device is covered with a casing and a cover, and when the cover is removed, ultraviolet irradiation is stopped.

effect of invention

The air cleaner of this invention is provided with the cover which is detachable with respect to the housing which hold|maintains a filter, and the ultraviolet irradiation device which irradiates an ultraviolet-ray to a filter. The ultraviolet irradiation device is covered with a casing and a cover, and when the cover is removed, ultraviolet irradiation is stopped. Therefore, according to the present invention, it is possible to obtain an air purifier capable of sterilizing and maintaining the filter and preventing ultraviolet rays from being irradiated to the user.

Description of drawings

FIG. 1 is a perspective view of an air cleaner according to Embodiment 1. FIG.

2 is a first exploded perspective view of the air cleaner according to Embodiment 1. FIG.

3 is a second exploded perspective view of the air cleaner according to Embodiment 1. FIG.

4 is a vertical cross-sectional view of the air cleaner according to Embodiment 1. FIG.

5 is a perspective view showing the inner surface of the front cover according to Embodiment 1. FIG.

6 is a horizontal cross-sectional view showing the positional relationship between the filter and the ultraviolet irradiation device according to the first embodiment.

7 is a block diagram of a substrate according to Embodiment 1. FIG.

FIG. 8 is a diagram showing a configuration example of a substrate according to Embodiment 1. FIG.

9 is a flowchart showing an example of the operation of the air cleaner according to the first embodiment.

Detailed ways

Hereinafter, embodiments will be described with reference to the drawings. In addition, the same code|symbol is attached|subjected to the same part or a corresponding part in each drawing, and the repeated description is simplified or abbreviate|omitted.

Embodiment 1.

FIG. 1 is a perspective view of the air cleaner 100 according to the first embodiment. FIG. 2 is a first exploded perspective view of the air cleaner 100 according to Embodiment 1. FIG. FIG. 3 is a second exploded perspective view of the air cleaner 100 according to Embodiment 1. FIG. In addition, FIG. 4 is a longitudinal cross-sectional view of the air cleaner 100 according to the first embodiment. FIG. 4 shows a longitudinal section at position A-A in FIG. 1 .

Here, let the vertical direction on the paper surface in FIG. 4 be the vertical direction in the present embodiment. Let the left-right direction on the paper surface in FIG. 4 be the front-back direction in this embodiment. In addition, let the front direction perpendicular|vertical to the paper surface in FIG. 4 be the left side in this embodiment. Let the depth direction perpendicular|vertical to the paper surface in FIG. 4 be the right side in this embodiment. That is, the direction perpendicular to the paper surface in FIG. 4 is the side in this embodiment.

The air cleaner 100 includes, for example, a main body 1 and an automatic steering unit 90 . The shape of the main body portion 1 is, for example, a vertically long rectangular parallelepiped shape. The automatic steering unit 90 is provided in the lower part of the main body part 1 . The automatic steering unit 90 is an example of a rotating mechanism that changes the orientation of the main body portion 1 . In the present embodiment, the automatic steering unit 90 serves as a base for supporting the main body portion 1 . The air cleaner 100 is used, for example, in a state where the automatic steering unit 90 is grounded to the indoor floor.

The main body portion 1 includes, for example, a front cover 10 , a rear cover 11 , and a side cover 12 . Moreover, the main body part 1 is provided with the main body case 20, the fan unit 30, and the filter 40, for example. Moreover, the main body part 1 is provided with the board|substrate unit 50 and the upper unit 60, for example.

The front cover 10 , the rear cover 11 , and the side cover 12 are parts that form the outline of the main body portion 1 . The front cover 10 forms a front surface portion of the main body portion 1 . The front cover 10 has an outer surface and an inner surface. The outer surface of the front cover 10 faces forward. The inner surface of the front cover 10 faces rearward. The rear cover 11 forms a rear surface portion of the main body portion 1 . The outer surface of the rear cover 11 faces rearward. The inner surface of the rear cover 11 faces forward.

The side cover 12 forms the side part of the main body part 1 . The main body portion 1 includes, for example, two side covers 12 . The two side covers 12 respectively form the right side surface and the left side surface of the main body portion 1 . The outer surface of the side cover 12 which forms the right side surface part of the main-body part 1 faces rightward. The inner surface of the side cover 12 which forms the right side surface part of the main-body part 1 faces the left. The outer surface of the side cover 12 which forms the left side surface part of the main-body part 1 faces left. The inner surface of the side cover 12 which forms the right side surface part of the main-body part 1 faces rightward.

The main body case 20 is a site where the fan unit 30 and the filter 40 are attached. The fan unit 30 is an example of an airflow generating member that generates airflow. The filter 40 is an example of a component that purifies the air taken in by the airflow generated by the fan unit 30 .

The main body case 20 has a vertically long shape, for example. The shape of the main body case 20 viewed from the front is, for example, a vertically long rectangle. The main body case 20 is formed by, for example, combining the front main body case 21 and the rear main body case 22 in the front and rear. The front main body case 21 is a site that forms the front side portion of the main body case 20 . The rear main body case 22 is a portion forming the rear side portion of the main body case 20 . The front main body case 21 is coupled to the front portion of the rear main body case 22 . That is, the rear main body case 22 is coupled to the rear portion of the front main body case 21 .

An upper opening 21a penetrating back and forth is formed in a portion on the upper side of the front main body case 21 . A lower opening 21b penetrating back and forth is formed in a lower portion of the front main body case 21 . The rear main body case 22 has a wall surface 22a and a partition wall 22b. The wall surface 22a is a part of the rear main body case 22 partitioned back and forth. The partition wall 22b is a wall-shaped part erected toward the front from the wall surface 22a.

In the upper portion of the main body case 20, an upper scroll casing 20a is formed by the upper opening 21a and the partition wall 22b. In the lower side portion of the main body case 20, the lower scroll casing 20b is formed by the lower opening 21b and the partition wall 22b.

As an example, the air cleaner 100 includes two fan units 30 . The above-mentioned upper scroll casing 20a and lower scroll casing 20b are portions where the fan unit 30 is accommodated. The upper scroll case 20a and the lower scroll case 20b are opened forward. Thereby, the fan unit 30 can generate the airflow from the front. The fan unit 30 can take in air from the front.

In addition, the upper scroll casing 20a has a first upper opening 20c which is an opening facing upward. The lower scroll casing 20b also has a second upper opening 20d, which is an opening facing upward. Thereby, the fan unit 30 provided in the upper scroll casing 20a or the lower scroll casing 20b can generate an upward airflow. The fan unit 30 blows air upward.

The fan unit 30 includes, for example, a motor 31 , a motor cover 32 , and blades 33 . The motor cover 32 covers the motor 31 . The blade 33 is fixed to the rotating shaft 31 a of the motor 31 . When the motor 31 is driven, the blades 33 rotate. Thereby, the fan unit 30 generates airflow. The fan unit 30 takes in and blows out air by generating airflow.

The fan unit 30 is, for example, a centrifugal multi-blade fan such as a sirocco fan. The fan unit 30 takes in air from the rotation axis direction and blows out the air in the radial direction. The fan unit 30 of the present embodiment takes in air from the front and blows the air upward as described above.

As an example, the air cleaner 100 may include the fan cover 34 . The fan cover 34 is a component that prevents foreign matter from entering the inside of the fan unit 30 . The fan cover 34 is formed of, for example, a lattice-shaped portion and a frame surrounding the lattice-shaped portion. The air cleaner 100 includes, for example, two fan covers 34 . The two fan covers 34 are provided on the front main body case 21 so as to cover the upper opening 21a and the lower opening 21b, respectively.

In the present embodiment, the filter 40 is provided inside the front main body case 21 . The filter 40 is installed, for example, with the front surface facing forward. The filter 40 is formed in a shape in which the vertical direction is the longitudinal direction, for example. As an example, the shape of the filter 40 when viewed from the front is a vertically long rectangle.

As an example, the filter 40 of the present embodiment includes a pre-filter 41 , a HEPA filter 42 , and a deodorizing filter 43 . The pre-filter 41, the HEPA filter 42, and the deodorizing filter 43 are installed in this order from the front toward the rear. The pre-filter 41, the HEPA filter 42, and the deodorizing filter 43 are installed, for example, with the front surface facing forward. In addition, the filter 40 is not limited to this embodiment, For example, a ULPA filter etc. may be provided.

The pre-filter 41 is used to remove dust from the air. The pre-filter 41 removes larger dust from the air. The pre-filter 41 is formed of a larger mesh. The pre-filter 41 is formed so that ultraviolet rays can pass through the mesh. For example, the front surface of the HEPA filter 42 arranged behind the prefilter 41 is irradiated with ultraviolet rays that have passed through the prefilter 41 from the front.

The HEPA filter 42 is used to remove substances that cannot be removed by the prefilter 41 . The HEPA filter 42 removes, for example, dust including particulates and the like from the air. In addition, the HEPA filter 42 removes substances such as bacteria and viruses from the air.

The HEPA filter 42 is formed by, for example, bending a filter material into a pleated shape. Continuous peaks and valleys are alternately formed in the HEPA filter 42 . The HEPA filter 42 is arranged, for example, in an orientation in which the mountain portion and the valley portion are continuously arranged in the up-down direction. That is, in the HEPA filter 42 of this embodiment, the peak part and the valley part are continuously formed along the longitudinal direction.

The deodorizing filter 43 removes odorous components and volatile organic compounds from the air that has passed through the prefilter 41 and the HEPA filter 42 . The deodorizing filter 43 is formed so as to be able to adsorb or decompose odorous components and volatile organic compounds contained in the air.

The main body case 20 to which the fan unit 30 and the filter 40 are attached as described above is provided inside the front cover 10 , the rear cover 11 , and the side cover 12 . The front cover 10 , the rear cover 11 , and the side cover 12 are examples of covers that cover the main body case 20 .

The front cover 10 is provided so as to cover the front surface of the front main body case 21 and the filter 40 . The front cover 10 is provided in the front part of the front main body case 21, for example. That is, the front cover 10 is provided so as to cover the front surface of the main body case 20 . The inner surface of the front cover 10 faces the front surface of the filter 40 .

The shape of the front cover 10 viewed from the front is, for example, a vertically long rectangle. On the outer surface of the front cover 10, in other words, on the front surface, a recess 10a is formed. The recessed part 10a is formed in the shape long in the left-right direction, for example. The sensor opening 10b is formed in the center of the left-right direction of this recessed part 10a. The sensor opening 10b is an opening to which the later-described person detection device 65 faces.

The rear cover 11 is provided so as to cover the rear surface of the main body case 20 . The shape of the rear cover 11 viewed from the rear is, for example, a vertically long rectangle. In addition, the two side covers 12 are provided so as to cover the right side surface and the left side surface of the main body case 20, respectively. The shape of the side cover 12 viewed from the side is, for example, a vertically long rectangle. The rear cover 11 and the side cover 12 are attached to the main body case 20 by, for example, screws or the like.

A handle recess 12 a is formed on the outer surface of the side cover 12 . For example, the user can move the air cleaner 100 by grasping the handle recess 12a by hand. Moreover, the side recessed part 12b is formed in the front-end|tip part of the side cover 12. As shown in FIG. The side recessed portion 12b is a portion recessed toward the inside of the air cleaner 100 . The side concave portion 12b is formed along the vertical direction.

The front cover 10 is attached to, for example, a main body case 20 to which the rear cover 11 and the side cover 12 are attached. At the position where the front cover 10 and the side cover 12 are fitted, a gap is formed by the side recess 12b. The air intake port 12c is formed by the gap of the position where the front cover 10 and the side cover 12 fit. The air intake port 12c is an opening for taking in air into the air cleaner 100 . The air intake port 12c of the present embodiment is an opening that faces laterally outward with respect to the air cleaner 100 . The air intake port 12c is formed on the side surface of the main body portion 1 . The air intake port 12c is formed in, for example, the right side surface and the left side surface of the main body portion 1 .

The substrate unit 50 includes, for example, a substrate 51 , a first substrate case 52 , and a second substrate case 53 . For example, electronic components are mounted on the substrate 51 . Moreover, printed wiring is provided in the board|substrate 51, for example. The first substrate case 52 is a component that accommodates the substrate 51 inside. The first substrate case 52 is formed of resin, for example. The 2nd board|substrate case 53 is a component which accommodates the 1st board|substrate case 52 which accommodates the board|substrate 51 inside. The second substrate case 53 is formed of metal, for example.

As an example, the substrate unit 50 is provided in the main body case 20 between the upper scroll casing 20a and the lower scroll casing 20b. The substrate unit 50 in the present embodiment is an example of a control device that controls each device provided in the air cleaner 100 .

The upper unit 60 is a portion forming the upper portion of the main body portion 1 . The upper unit 60 is provided in the upper part of the rear cover 11 , the side cover 12 , and the main body case 20 , for example. The upper unit 60 has, for example, a housing 61 , a louver 62 , a louver drive motor 63 , and an operation display unit 64 . In addition, the upper unit 60 has, for example, a human detection device 65 , a sensor drive motor 66 , and an environment sensor 67 .

The frame body 61 is a portion forming the skeleton of the upper unit 60 . The shape of the frame body 61 viewed from above is, for example, a rectangle. A blower outlet 61a is formed in the casing 61 . The air outlet 61a is formed in, for example, a portion on the rear side of the casing 61 . The air outlet 61a is a rectangular opening facing upward. The blow-out port 61a is an opening for blowing out purified air from the air cleaner 100 . Moreover, the front surface recessed part 61b recessed toward the rear is formed in the front surface of the housing|casing 61. As shown in FIG.

The louver 62 changes the direction in which the air is blown out from the air outlet 61a. The louver plate 62 is provided in the housing|casing 61 so that the left end and the right end of the blower outlet 61a may be bridged, for example. For example, two louvers 62 are provided on the frame body 61 . The two louver panels 62 are arranged, for example, in front and rear.

In addition, the louver 62 has, for example, a rotation shaft extending in the left-right direction. The louver 62 is formed so as to be rotatable around a rotating shaft. The left end and the right end of the rotation shaft of the louver 62 are supported by, for example, the inner wall surface of the frame body 61 .

The louver drive motor 63 is a motor that operates the louver 62 . The louver drive motor 63 changes the orientation of the louver 62 by rotating the louver 62 . The louver drive motor 63 is connected, for example, to the end of the rotation shaft of the louver 62 . Moreover, the shutter drive motor 63 is provided in the side surface of the housing|casing 61, for example.

The operation display part 64 is a part which displays the state of the air cleaner 100 . Moreover, the user can input various setting conditions of the air cleaner 100 by operating the operation display part 64, for example. The operation display unit 64 is provided, for example, on the upper surface of the portion on the front side of the housing 61 .

As an example, the operation display part 64 has a power switch 64a, an operation changeover switch 64b, and an operation state display part 64c. The power switch 64a is used to turn the power of the air cleaner 100 on or off. The operation changeover switch 64b is used to switch the operation state of the air cleaner 100, for example. Moreover, the operation state display part 64c displays the operation state of the air cleaner 100.

The human detection device 65 is a device that detects the position of a human. The human detection device 65 has an infrared sensor 65a for detecting the presence of a human inside. The infrared sensor 65a detects, for example, the position and the number of persons in the room where the air cleaner 100 is installed. The person detection apparatus 65 is provided in the front surface recessed part 61b, for example. As described above, the person detection device 65 is provided at a position facing the sensor opening 10b. The person detection device 65 faces the outside of the air cleaner 100 via the sensor opening 10b.

The sensor drive motor 66 rotates the person detection device 65 . The sensor drive motor 66 is provided in the housing 61 in a state of being connected to, for example, the person detection device 65 .

The environment sensor 67 is, for example, an example of an environment detection means that detects the temperature and humidity of the air in the room in which the air cleaner 100 is installed. In addition, the environmental sensor 67 may detect only one of the temperature and humidity of the air, for example. As an example, the environment sensor 67 is provided in the front surface recess 61b. In addition, for example, as an example of a dust detection member that detects the amount of dust contained in the air, a dust sensor 68 may be provided in the front surface recess 61b.

The automatic steering unit 90 supports the main body portion 1 configured as described above. In addition, the automatic steering unit 90 changes the orientation by rotating the main body portion 1 configured as described above. The automatic steering unit 90 has, for example, a base 91 and a bottom body case 92 .

The base 91 is a part that is grounded when the air cleaner 100 is used. The base 91 is grounded, for example, to the ground in the room. The bottom main body case 92 is a portion connected to the main body portion 1 . The bottom main body case 92 is connected to the lower part of the main body case 20 , for example. The bottom main body case 92 is provided, for example, on the upper part of the base 91 . The bottom body case 92 is formed so as to be rotatable with respect to the base 91 .

The automatic steering unit 90 has, for example, a rotational drive unit not shown. The rotation drive unit is a mechanism that rotates the bottom body case 92 relative to the base 91 . In the embodiment, the main body portion 1 rotates together with the bottom main body case 92 . Thereby, the orientation of the main body portion 1 is changed.

As described above, the filter 40 is attached to the main body case 20 . The rear cover 11 and the side cover 12 are fixed to the main body case 20 . In addition, the upper unit 60 is provided on the upper part of the rear cover 11 , the side cover 12 , and the main body case 20 . In the present embodiment, the rear cover 11 , the side cover 12 , the main body case 20 , and the upper unit 60 are an example of a case that holds the filter 40 .

The front cover 10 is formed to be detachable, for example, with respect to the upper unit 60 . The user of the air cleaner 100 can perform maintenance such as cleaning of the filter 40 by removing the front cover 10, for example. In addition to this embodiment, for example, the front cover 10 may be detachably formed with respect to the front main body case 21 or the side cover 12 . The front cover 10 in the present embodiment is an example of a cover that is detachably attached to the housing that holds the filter 40 .

In addition, the air cleaner 100 of this embodiment includes the ultraviolet irradiation device 70 . The ultraviolet irradiation device 70 is a device that irradiates an object with ultraviolet rays. The ultraviolet irradiation device 70 irradiates, for example, deep ultraviolet rays with high output in a wavelength range of 200 nm to 350 nm. As an example, 270 nm is included in the wavelength region of the ultraviolet rays irradiated by the ultraviolet irradiation device 70 .

The ultraviolet irradiation device 70 is provided to irradiate the filter 40 with ultraviolet rays. That is, the ultraviolet irradiation device 70 irradiates the substance trapped by the filter 40 with ultraviolet rays. The substances trapped by the filter 40 include, for example, bacteria, viruses, odorous components, and the like. The ultraviolet irradiation device 70 can kill bacteria contained in the substance trapped by the filter 40 with ultraviolet rays. In addition, the ultraviolet irradiation device 70 can inactivate viruses, odorous components, and the like using ultraviolet rays.

In the present embodiment, the killing of bacteria by ultraviolet rays, the inactivation of viruses and odorous components, and the like are simply collectively referred to as sterilization. The ultraviolet irradiation device 70 is a device that irradiates ultraviolet rays having a sterilizing effect. The ultraviolet irradiation apparatus 70 of this embodiment uses the filter 40 as an object, and performs sterilization by ultraviolet rays.

FIG. 5 is a perspective view showing the inner surface of the front cover 10 according to the first embodiment. 6 is a horizontal cross-sectional view showing the positional relationship between the filter 40 and the ultraviolet irradiation device 70 according to the first embodiment. FIG. 6 shows a horizontal cross section of the air cleaner 100 at the position B-B in FIG. 4 .

As shown in FIGS. 5 and 6 , the ultraviolet irradiation device 70 is provided, for example, on the inner surface of the front cover 10 . As an example, the ultraviolet irradiation device 70 is provided so as to irradiate the front surface of the filter 40 with ultraviolet rays. As an example, the ultraviolet irradiation device 70 is provided so as to face the front surface of the filter 40 . The ultraviolet irradiation device 70 is covered by the front cover 10 , the rear cover 11 , the side cover 12 , the main body case 20 , and the upper unit 60 .

The ultraviolet irradiation device 70 has, for example, an ultraviolet light emitting diode 70a and a holding case 70b. The ultraviolet light emitting diode 70a is an example of a light source that emits ultraviolet rays. The holding box 70b is a member that holds the ultraviolet light emitting diode 70a. The holding box 70b is fixed to the inner surface of the front cover 10, for example. The ultraviolet irradiation device 70 of the present embodiment irradiates the front surface of the filter 40 with the light emitted by the ultraviolet light emitting diode 70 a.

The air cleaner 100 includes, for example, a plurality of ultraviolet irradiation devices 70 . For example, as shown in FIG. 5 , the plurality of ultraviolet irradiation devices 70 are provided along the vertical direction. That is, in the present embodiment, the plurality of ultraviolet irradiation devices 70 are provided along the longitudinal direction of the filter 40 . Further, for example, as shown in FIG. 5 , a plurality of ultraviolet irradiation devices 70 may be provided along the left-right direction. In the present embodiment, as an example, a total of eight ultraviolet irradiation devices 70 are provided on the inner surface of the front cover 10 in four rows in the up-down direction and two rows in the left-right direction.

Moreover, the air path which connects the air intake port 12c and the blower outlet 61a is formed in the inside of the air cleaner 100 of this embodiment. The fan unit 30 is provided in, for example, an air duct connecting the air intake port 12c and the air outlet 61a. The filter 40 is provided in the air path which connects the air inlet 12c and the blower outlet 61a, for example.

For example, as shown in FIG. 6 , the air cleaner 100 is formed with the suction part 13 . The suction part 13 is formed between the air intake port 12c and the filter 40 . The suction part 13 is formed by, for example, the front cover 10 and the side cover 12 . The suction part 13 is a part which forms a part of the air path which connects the air intake port 12c and the blower outlet 61a.

As an example, the suction part 13 is formed at a position forward of the filter 40 and rearward of the front cover 10 . That is, the suction part 13 is formed between the plane including the front surface of the filter 40 and the plane including the inner surface of the front cover 10 . In addition, as an example, the suction part 13 is formed at the left and right positions of the filter 40 . That is, the suction part 13 is located outside the filter 40 when viewed from the front direction of the filter 40 . In addition, the suction part 13 may be formed at a position above or below the filter 40, for example.

In addition, as an example, as shown in FIG. 6, the air intake port 12c is arrange|positioned at the back position rather than the front surface of the filter 40. As shown in FIG. In other words, the air intake port 12c is formed at a position on the opposite side of the front cover 10 with reference to a plane including the front surface of the filter 40 . The fan unit 30 generates, for example, an air flow toward the air outlet 61a from the air intake port 12c via the suction portion 13 and the filter 40 . That is, in the present embodiment, the fan unit 30 generates the airflow from the suction part 13 toward the front surface of the filter 40 .

The ultraviolet irradiation device 70 is provided, for example, to irradiate ultraviolet rays to a position closer to the suction unit 13 than the center of the filter 40 with respect to the front surface of the filter 40 . As an example, the ultraviolet irradiation device 70 is provided on the inner surface of the front cover 10 at a position closer to the suction part 13 than the center of the filter 40 . The ultraviolet irradiation device 70 faces, for example, a portion of the front surface of the filter 40 that is closer to the suction portion 13 than the center. As an example, the ultraviolet irradiation apparatus 70 of this embodiment is arrange|positioned in the vicinity of the air intake port 12c.

In addition, the ultraviolet irradiation device 70 is provided, for example, to irradiate ultraviolet rays toward a position closer to the center side of the filter 40 than the direction perpendicular to the front surface of the filter 40 . As an example, as shown in FIG. 6 , the center of the ultraviolet light emitting diode 70 a serving as the light source of the ultraviolet irradiation device 70 is oriented toward the center side of the filter 40 from the direction perpendicular to the front surface of the filter 40 . Thereby, the central axis of the ultraviolet rays irradiated by the ultraviolet irradiation device 70 faces the center side of the filter 40 .

In addition, as an example, the reflection suppressing portion 71 may be formed inside the air cleaner 100 . The reflection suppressing portion 71 is a portion that suppresses the reflection of the ultraviolet rays irradiated by the ultraviolet irradiation device 70 . The reflection suppression part 71 is formed in the vicinity of the ultraviolet irradiation device 70 and the air intake port 12c, for example. The reflection suppressing portion 71 is formed, for example, by processing the surfaces of the front cover 10 and the side cover 12 into concavo-convex shapes.

In addition, the reflection suppressing part 71 can be formed by wrinkling, for example. In addition, the reflection suppressing portion 71 may be formed of a material that absorbs ultraviolet rays. In addition, the site|part where the reflection suppression part 71 is formed is not limited to this embodiment. The reflection suppressing portion 71 may be formed at any position as long as the reflection of the ultraviolet rays irradiated by the ultraviolet irradiation device 70 can be suppressed.

Here, the structure for attaching and detaching the front cover 10 will be described. For example, as shown in FIG. 5, the front cover 10 has the claw part 10c. The claw part 10c is formed in the upper part of the front cover 10, for example. As an example, the claw portion 10c protrudes downward. For example, two claw portions 10c are formed. The two claw portions 10c are formed, for example, on a right side portion and a left side portion in the upper portion of the front cover 10, respectively.

As an example, the claw receiving portion 69 is formed in the upper unit 60 . The claw receiving portion 69 is a portion into which the claw portion 10c is detachably fitted. For example, as shown in FIGS. 2 and 3 , the pawl receiving portion 69 is formed on the operation display portion 64 . In the present embodiment, the claw receiving portion 69 is formed on the upper portion of the case holding the filter 40 . In addition, the position where the claw receiving part 69 is formed is not limited to this embodiment. For example, the claw receiving portion 69 may be formed in the frame body 61 or the like.

In addition, the front cover 10 is provided with, for example, a connection latch 10d. As an example, the connection latch 10d is provided in the lower part of the front cover 10 . FIG. 5( a ) shows the entire inner surface side of the front cover 10 . Fig. 5(b) shows the portion surrounded by the dotted line in Fig. 5(a), that is, the peripheral portion of the connecting latch 10d. The connection latch 10d is an example of a connection portion.

For example, as shown in FIGS. 2 and 3 , the lower part of the front main body case 21 is provided with a latch receiving portion 21d. The latch receiving portion 21d is an example of a connection receiving portion provided in the housing. The connecting latch 10d and the latch receiving portion 21d are detachably connected to each other. In addition, the latch receiving part 21d may be provided in the side cover 12 etc., for example.

Moreover, in the lower part of the front cover 10, the electrical connection terminal 10e is provided, for example. As an example, the electrical connection terminal 10e is connected to the ultraviolet irradiation device 70 by electrical wiring or the like. The electric wiring etc. which connect the electric connection terminal 10e and the ultraviolet irradiation device 70 are built in the front cover 10, for example. The electrical connection terminal 10e is an example of an electrical connection portion.

A terminal receiving portion 21 e is provided in the lower portion of the front main body case 21 . The terminal receiving portion 21e is detachably connected to the electrical connection terminal 10e. The terminal receiving portion 21e is an example of an electrical connection receiving portion.

The electrical connection terminal 10e and the terminal receiving portion 21e are formed and arranged to be connected to each other by connecting the connection latch 10d and the latch receiving portion 21d. That is, by attaching the front cover 10 as an example of the cover to the front main body case 21 constituting a part of the casing, the electrical connection terminal 10e as an example of the electrical connection portion and the terminal as an example of the electrical connection receiving portion are connected The receiving portion 21e is connected. As an example, the electrical connection terminal 10e is provided in the vicinity of the connection latch 10d. In addition, as an example, the terminal receiving portion 21e is provided in the vicinity of the latch receiving portion 21d.

Here, the operation of attaching the front cover 10 by the user will be briefly described. First, the user tilts the front cover 10 obliquely so that the lower part is separated from the main body case 20 . In other words, the user tilts the front cover 10 obliquely so that the upper portion thereof approaches the main body case 20 . The user fits the claw portion 10 c of the inclined front cover 10 into the claw receiving portion 69 . Then, the user rotates the front cover 10 about the claw portion 10c and the claw receiving portion 69 as axes.

When the user rotates the front cover 10, the connecting latch 10d is connected to the latch receiving portion 21d. Thereby, the front cover 10 is attached. In addition, the electrical connection terminal 10e is connected to the terminal receiving portion 21e.

Next, the substrate unit 50 as an example of the control device will be described. As described above, the substrate unit 50 has the substrate 51 . The substrate 51 is a portion for controlling each device provided in the air cleaner 100 .

The board|substrate 51 is connected to each device connected to the air cleaner 100, for example by the electric wiring etc. which are not shown in figure. Moreover, the board|substrate 51 is formed so that it can connect with the power supply outside the air cleaner 100 via the power supply line etc. which are not shown, for example. The substrate unit 50 supplies power to each device installed in the air cleaner 100 using the above-described substrate 51 . The board unit 50 which is an example of a control apparatus is also an example of a power supply part.

7 is a block diagram of the substrate 51 according to the first embodiment. The substrate 51 includes, for example, a first control unit 51a, a second control unit 51b, a third control unit 51c, a power control unit 51d, and a storage unit 51e. The board|substrate 51 is connected to the terminal receiving part 21e, for example. Further, the substrate 51 is connected to, for example, the environmental sensor 67 and the dust sensor 68 . Moreover, the board|substrate 51 is connected to the fan unit 30, the ultraviolet irradiation device 70, and the operation display part 64, for example.

The board|substrate 51 and the ultraviolet irradiation apparatus 70 are connected by connecting the terminal receiving part 21e and the electrical connection terminal 10e. As an example, the electric power control part 51d of the board|substrate 51 controls the electric power supplied to the ultraviolet irradiation apparatus 70 via the electrical connection terminal 10e connected to the terminal receiving part 21e.

The 1st control part 51a is an example of the 1st control means which controls the ultraviolet irradiation apparatus 70. Moreover, the 1st control part 51a has the function of controlling the fan unit 30 based on the signal from the operation display part 64, for example. For example, as the airflow generated by the fan unit 30 becomes stronger, the first control unit 51a causes the ultraviolet irradiation device 70 to irradiate ultraviolet rays with higher output. In addition, for example, as the airflow generated by the fan unit 30 is stronger, the first control unit 51a may cause the power control unit 51d to supply higher power to the ultraviolet irradiation device 70 .

The second control unit 51b is an example of a second control member that controls the ultraviolet irradiation device 70 . The 2nd control part 51b controls the ultraviolet irradiation device 70 based on the signal from the dust sensor 68, for example. For example, as the amount of dust detected by the dust sensor 68 increases, the second control unit 51b causes the ultraviolet irradiation device 70 to irradiate ultraviolet rays with higher output. In addition, for example, the second control unit 51b may cause the power control unit 51d to supply higher power to the ultraviolet irradiation device 70 as the amount of dust detected by the dust sensor 68 increases.

The third control unit 51 c is an example of a third control means that controls the ultraviolet irradiation device 70 . Information on the relationship between the temperature and humidity of the air and the susceptibility of bacteria and viruses to multiply is stored in the storage unit 51 e in advance, for example. The third control unit 51c controls the ultraviolet irradiation device 70 based on the information stored in the storage unit 51e and the signal which is the detection result of the environmental sensor 67 .

For example, when the temperature and humidity detected by the environmental sensor 67 are in a state where bacteria and viruses are likely to multiply, the third control unit 51 c uses the ultraviolet irradiation device 70 to irradiate high-output ultraviolet rays. The third control unit 51c of the present embodiment causes the ultraviolet irradiation device 70 to change the output of the ultraviolet rays to be irradiated based on the detection result of the environmental sensor 67 . In addition, as an example, the third control unit 51c may cause the electric power control unit 51d to supply electric power according to the detection result of the environmental sensor 67 to the ultraviolet irradiation device 70 .

In addition, the board|substrate 51 may be connected to the shutter drive motor 63, for example. The base plate 51 changes the orientation of the louver 62 by controlling the louver driving motor 63, for example. In addition, the substrate 51 may be connected to the automatic steering unit 90, for example. The base plate 51 may also have a function of controlling the automatic steering unit 90 . As an example, the automatic steering unit 90 changes the orientation of the main body portion 1 based on a signal from the substrate 51 .

FIG. 8 is a diagram showing a configuration example of the substrate 51 according to the first embodiment. As an example of the control device, the air cleaner 100 includes the substrate unit 50 . The substrate unit 50 has a substrate 51 . As an example, the substrate 51 is provided with a memory circuit, an arithmetic processing unit that executes various control programs stored in the memory circuit, an input/output circuit that inputs and outputs signals to the arithmetic processing unit, and a timer circuit that measures time. A storage circuit, an arithmetic processing unit, an input/output circuit, and a timer circuit are combined as a processing circuit.

The respective functions of the first control unit 51a, the second control unit 51b, the third control unit 51c, the power control unit 51d, and the storage unit 51e of the substrate 51 are realized, for example, by this processing circuit. The processing circuitry may be dedicated hardware 80 . The processing circuit may include a processor 81 and a memory 82 . A part of the processing circuit may be formed as dedicated hardware 80 and further include a processor 81 and a memory 82 . FIG. 8 shows an example in which a part of the processing circuit is formed as dedicated hardware 80 and further includes a processor 81 and a memory 82 .

Where a portion of the processing circuit is at least one dedicated hardware 80, such as a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a circuit combining them corresponds to the processing circuit .

When the processing circuit includes at least one processor 81 and at least one memory 82, the functions of the first control unit 51a, the second control unit 51b, the third control unit 51c, the power control unit 51d, and the storage unit 51e utilize software, firmware or a combination of software and firmware. The software and firmware are described as programs and stored in the memory 82 . The processor 81 realizes the functions of each part by reading and executing the program stored in the memory 82 . The processor 81 is also referred to as a CPU (Central Processing Unit), a central processing device, a processing device, an arithmetic device, a microprocessor, a microcomputer, or a DSP. For example, non-volatile or volatile semiconductor memories such as RAM, ROM, flash memory, EPROM, and EEPROM, or magnetic disks, floppy disks, optical disks, compact disks, microdisks, and DVDs correspond to the memory 82 .

In this way, the respective functions of the first control unit 51a, the second control unit 51b, the third control unit 51c, the power control unit 51d, and the storage unit 51e of the substrate 51 are realized by the processing circuit. The processing circuit can realize the functions of the first control unit 51a, the second control unit 51b, the third control unit 51c, the power control unit 51d, and the storage unit 51e by hardware, software, firmware, or a combination thereof.

Next, the operation of the air cleaner 100 will be described. FIG. 9 is a flowchart showing an example of the operation of the air cleaner 100 according to the first embodiment. The air cleaner 100 is used, for example, in a state installed indoors. The user connects, for example, the power cord of the air cleaner 100 to an external power source. Next, the user operates the power switch 64a. Thereby, the power supply of the air cleaner 100 is turned on (step S1).

When the power supply of the air cleaner 100 is turned on, for example, electric power is supplied to each device provided in the air cleaner 100 by the power control unit 51d. For example, electric power is supplied to the shutter drive motor 63 . Thereby, the shutter drive motor 63 is driven. The louver drive motor 63 operates the louver 62 . By operating the louver plate 62, the air outlet 61a is opened.

As an example, the board|substrate 51 controls the louver drive motor 63 so that the direction which blows out the air from the blower outlet 61a becomes a direction 45 degrees upward with respect to a horizontal direction. The blowing angle of 45 degrees upward with respect to the horizontal direction is an example of the blowing angle that can efficiently circulate the air in the room by sending the air farther from the blower outlet 61a.

When the air outlet 61a is opened, the fan unit 30 and the ultraviolet irradiation device 70 are driven. For example, the fan unit 30 and the ultraviolet irradiation device 70 start to be driven at the same time. Thereby, the operation of the air cleaner 100 is started (step S2). The fan unit 30 and the ultraviolet irradiation device 70 are driven by, for example, the substrate 51 .

By driving the fan unit 30 , air is taken in from the air intake port 12c into the air cleaner 100 . For example, as shown in FIG. 6 , the air taken in from the air intake port 12c flows from the air intake port 12c to the front surface of the filter 40 via the suction part 13 . The air flowing toward the front of the filter 40 passes through the filter 40 . The air passing through the filter 40 becomes purified air.

The air purified by the filter 40 is sent to the air outlet 61a by the fan unit 30 . The purified air sent to the blower outlet 61a is blown out, for example, in a direction of 45 degrees upward with respect to the horizontal direction. Thereby, purified air is supplied to the outside of the air cleaner 100 . In addition, the ultraviolet irradiation device 70 irradiates the filter 40 with ultraviolet rays. Thereby, for example, the sterilization of the substance trapped by the filter 40 is performed.

For example, the user changes the intensity of the airflow generated by the fan unit 30 by operating the operation switch 64b of the operation display unit 64 . The first control unit 51a causes the fan unit 30 to change the intensity of the airflow to be generated based on the signal from the operation changeover switch 64b. Moreover, the 1st control part 51a controls the ultraviolet irradiation device 70, for example, so that the output of the ultraviolet rays irradiated according to the drive state of the fan unit 30 may be changed (step S3).

When the ultraviolet irradiation apparatus 70 is controlled by the 1st control part 51a in step S3, the 2nd control part 51b controls the ultraviolet irradiation apparatus 70 based on the detection result of the dust sensor 68, for example (step S4). Moreover, when the ultraviolet irradiation apparatus 70 is controlled by the 2nd control part 51b in step S4, for example, the third control part 51c controls the ultraviolet irradiation apparatus 70 based on the detection result of the environmental sensor 67 (step S5). In addition, the above-mentioned steps S3 to S5 may be carried out in a different order from the present example or carried out simultaneously. For example, when the user operates the power switch 64a again, the operation of the air cleaner 100 is terminated.

In addition, the operation|movement of the air cleaner 100 is not limited to the said Example. For example, the fan unit 30 and the ultraviolet irradiation device 70 may start to be driven, for example, after a certain period of time has elapsed since one of them starts to drive. In addition, the ultraviolet irradiation device 70 may start driving, and may stop driving after a certain period of time, for example. The length of time during which the ultraviolet irradiation device 70 is driven can be adjusted by the substrate 51 based on the detection results of the environmental sensor 67 and the dust sensor 68, for example.

In the above-described embodiment, the suction portion 13 is formed between the plane including the front surface of the filter 40 and the plane including the inner surface of the front cover 10 . In addition, the suction part 13 is located outside the filter 40 when viewed from the front direction of the filter 40 . The air flows into the front of the filter 40 from the suction part 13 in a state of sharply turning. Therefore, more air flows into the filter 40 at a position closer to the suction part 13 than the center. More substances are trapped by the filter 40 at a position closer to the suction part 13 than the center.

The ultraviolet irradiation device 70 of the above-described embodiment irradiates ultraviolet rays toward a position closer to the suction part 13 than the center of the filter 40 with respect to the front surface of the filter 40 . Thereby, the filter 40 can be efficiently sterilized with a smaller number of ultraviolet irradiation devices 70 . According to the above-described embodiment, the air cleaner 100 capable of sterilizing the filter efficiently and at low cost can be obtained.

In addition, the structure of the ultraviolet irradiation apparatus 70, the installation position of the ultraviolet irradiation apparatus 70, etc. are not limited to the above-mentioned embodiment. For example, the ultraviolet irradiation device 70 may include a reflector or the like for adjusting the irradiation direction of the ultraviolet rays emitted from the ultraviolet light emitting diodes 70a. In addition, the ultraviolet irradiation device 70 may be a device that uses a mercury lamp or the like as a light source instead of the ultraviolet light emitting diode 70a to irradiate ultraviolet rays.

The ultraviolet irradiation device 70 of the above-described embodiment is provided on the inner surface of the front cover 10 at a position closer to the suction portion 13 than the center of the filter 40 . As a result, the distance from the portion of the filter 40 where many substances are trapped to the ultraviolet irradiation device 70 is shortened. Thereby, the sterilization of the substance trapped by the filter 40 is performed more efficiently. According to this example, the growth of bacteria and the like in the filter 40 can be suppressed more effectively.

The ultraviolet irradiation device 70 of the above-mentioned embodiment is installed in the detachable front cover 10 . Thereby, the user can easily perform maintenance of the ultraviolet irradiation device 70 . Since the maintenance of the ultraviolet irradiation device 70 can be performed easily, the use cost when using the air cleaner 100 for a long period of time can be reduced.

In the HEPA filter 42 of the above-described embodiment, a mountain portion and a valley portion are continuously formed along the longitudinal direction. In addition, on the inner surface of the front cover 10 , a plurality of ultraviolet irradiation devices 70 are provided along the longitudinal direction of the HEPA filter 42 . Thereby, ultraviolet rays are irradiated to the depths of the HEPA filter 42 more efficiently.

The air intake port 12c of the above-described embodiment is formed at a position on the opposite side of the front cover 10 with respect to a plane including the front surface of the filter 40 as a reference. As an example, the air taken in from the air intake port 12c flows forward, then flows laterally, and further flows rearward. That is, the air taken in from the air intake port 12c turns sharply. Thereby, more substances are trapped by the filter 40 at the position closer to the suction part 13 than the center. According to the air cleaner 100 of the above-described embodiment, it is possible to more efficiently sterilize the substances trapped by the filter 40 using ultraviolet rays. In addition, the opening for taking in air into the air cleaner 100 may be, for example, a through hole or the like formed in the side cover 12 instead of the air intake port 12c.

The stronger the airflow generated by the fan unit 30, the higher the output of ultraviolet rays is irradiated by the ultraviolet irradiation device 70 of the above embodiment. The stronger the airflow generated by the fan unit 30 , the more air flows into the filter 40 . That is, the stronger the airflow generated by the fan unit 30 , the more substances are trapped by the filter 40 . According to the above-described embodiment, efficient sterilization is performed according to the amount of the substance trapped by the filter 40 . Further, when the airflow generated by the fan unit 30 is weak, the output of the ultraviolet rays irradiated by the ultraviolet irradiation device 70 is reduced, thereby reducing the energy required for the operation of the air cleaner 100 .

The higher the amount of dust detected by the dust sensor 68, the higher the output of ultraviolet rays is irradiated. Thereby, for example, when there is much dust in the air, efficient sterilization using high-output ultraviolet rays is performed. In addition, the energy required for the operation of the air cleaner 100 is reduced, for example, by reducing the output of the ultraviolet rays irradiated by the ultraviolet irradiation device 70 when there is little dust in the air.

Similarly, the ultraviolet irradiation device 70 of the above-described embodiment changes the output of the ultraviolet rays to be irradiated according to the detection result of the environmental sensor 67 . According to the above-described embodiment, it is possible to obtain an air purifier 100 capable of performing efficient sterilization and energy saving according to the environment such as the temperature and humidity of the air.

In addition to the above-described embodiments, the air cleaner 100 may include, for example, an odor sensor that detects odor components in the air. The ultraviolet irradiation device 70 may change the output of the irradiated ultraviolet rays according to the detection result of the odor sensor. In addition, for example, the substrate 51 may have a function of generating a stronger airflow in the fan unit 30 as the amount of dust detected by the dust sensor 68 increases.

Further, the substrate 51 may have a function of changing the driving time of the ultraviolet irradiation device 70 according to, for example, the driving state of the fan unit 30 , the detection result of the environmental sensor 67 , and the detection result of the dust sensor 68 . For example, the more dust detected by the dust sensor 68, the longer the ultraviolet irradiation device 70 may irradiate the ultraviolet rays. For example, the ultraviolet irradiation device 70 may irradiate ultraviolet rays for a period of time according to the detection result of the environment sensor 67 . In addition, the stronger the airflow generated by the fan unit 30, the longer the ultraviolet irradiation device 70 may irradiate the ultraviolet rays.

The ultraviolet irradiation device 70 of the above-described embodiment has the ultraviolet light emitting diode 70a as a light source. The ultraviolet light emitting diode 70a is, for example, a light source having a life longer than that of a mercury lamp or the like. According to the above-described embodiments, the long-term use cost of the air purifier 100 can be reduced.

The user of the air cleaner 100 of the above-described embodiment can remove the front cover 10 by removing the connecting latch 10d from the latch receiving portion 21d and then removing the claw portion 10c from the claw receiving portion 69. The user can maintain the filter 40 by removing the front cover 10 .

Electrical connection terminals 10e are provided at the lower portion of the front cover 10 of the above-described embodiment. Moreover, the terminal receiving part 21e is provided in the lower part of the front main body case 21. As shown in FIG. Electric power is supplied to the ultraviolet irradiation device 70 from the electrical connection terminal 10e connected to the terminal receiving part 21e. That is, the ultraviolet irradiation device 70 is energized from the electrical connection terminal 10e connected to the terminal receiving portion 21e.

For example, when the user removes the front cover 10 when the power of the air cleaner 100 is turned on, the electrical connection terminal 10e is removed from the terminal receiving portion 21e, so that the energization to the ultraviolet irradiation device 70 is stopped. Thereby, ultraviolet rays are prevented from being irradiated to the user.

In addition, in the above-described embodiment, the electrical connection terminal 10e and the terminal receiving portion 21e are formed and arranged to be connected to each other by connecting the connection latch 10d and the latch receiving portion 21d. Therefore, for example, when the front cover 10 is not properly attached, the electrical connection terminal 10e and the terminal receiving portion 21e are not connected. That is, when the front cover 10 is not correctly attached, the ultraviolet irradiation device 70 is not energized. According to the above-described embodiment, irradiation of ultraviolet rays to the user is more reliably prevented.

In addition, the power control unit 51d may have a function of stopping the power supply to the ultraviolet irradiation device 70 when the front cover 10 is removed, for example. For example, an attachment/detachment sensor that detects attachment/detachment of the front cover 10 may be provided in the pawl receiving portion 69 . For example, the power control unit 51d may stop the power supply to the ultraviolet irradiation device 70 when the front cover 10 is removed based on a signal from the attachment/detachment sensor. According to this example, as in the above-described embodiments, the irradiation of the user with ultraviolet rays is prevented.

Moreover, the air cleaner 100 may be comprised so that the electricity supply to the ultraviolet irradiation device 70 may be restarted after the front cover 10 is attached again, and after a certain time has passed, for example. For example, the electric power control unit 51d may restart the power supply to the ultraviolet irradiation device 70 after a certain period of time has elapsed when the front cover 10 is detached and reattached based on a signal from the attachment/detachment sensor. According to this example, when the user attaches and detaches the front cover 10, ultraviolet rays are more reliably prevented from being irradiated to the user.

The ultraviolet irradiation device 70 of the above-described embodiment irradiates ultraviolet rays toward a position closer to the center of the filter 40 than the direction perpendicular to the front surface of the filter 40 . Thereby, for example, ultraviolet rays are prevented from leaking to the outside of the air cleaner 100 from the air intake port 12c and the like.

In addition, in the above-mentioned embodiment, the reflection suppressing portion 71 is formed on the front cover 10 and the side cover 12 . Thereby, for example, the ultraviolet rays reflected inside the air cleaner 100 are prevented from leaking to the outside of the air cleaner 100 . According to the air purifier 100 of the above-described embodiment, ultraviolet rays are more reliably prevented from being irradiated to the user.

industrial availability

The air purifier of the present invention is used, for example, to purify indoor air.

Explanation of reference numerals

1 main body, 10 front cover (cover), 10a recess, 10b sensor opening, 10c claw, 10d connection latch (connection), 10e electrical connection terminal (electrical connection), 11 rear cover, 12 side cover, 12a Handle recess, 12b side recess, 12c Air intake port (intake port), 13 Suction portion, 20 Main body case, 20a Upper scroll casing, 20b Lower scroll casing, 20c First upper opening, 20d Second upper opening, 21 Front main body box, 21a upper opening, 21b lower opening, 21d latch receiving part (connection receiving part), 21e terminal receiving part (electrical connection receiving part), 22 rear main body box, 22a wall surface, 22b partition wall, 30 fan Unit (airflow generating member), 31 motor, 31a rotating shaft, 32 motor cover, 33 vanes, 34 fan cover, 40 filter, 41 pre-filter, 42 HEPA filter, 43 deodorizing filter, 50 base unit, 51 base , 51a first control unit (first control member), 51b second control unit (second control member), 51c third control unit (third control member), 51d power control unit, 51e storage unit, 52 first substrate Case, 53 second base case, 60 upper unit, 61 frame, 61a outlet, 61b front recess, 62 louver, 63 louver drive motor, 64 operation display, 64a power switch, 64b operation switch , 64c operation state display part, 65 people detection device, 65a infrared sensor, 66 sensor drive motor, 67 environmental sensor (environmental detection member), 68 dust sensor (dust detection member), 69 claw receiving part, 70 ultraviolet irradiation device, 70a Ultraviolet light-emitting diode, 70b holding box, 71 reflection suppressor, 80 special hardware, 81 processor, 82 memory, 90 automatic steering unit, 91 base, 92 bottom main body box, 100 air purifier.

Claims (13)

1. An air purifier, wherein the air purifier has: a filter that purifies the air; a housing that retains the filter; a cover, which is detachable relative to the casing and covers the filter; an ultraviolet irradiation device, which is covered by the casing and the cover, and irradiates the filter with ultraviolet rays; an electrical connection receiving portion, the electrical connection receiving portion is disposed on the housing; and an electrical connection part, the electrical connection part is arranged on the cover, and is detachably connected to the electrical connection receiving part, The ultraviolet irradiation device is provided on the cover, and the ultraviolet irradiation device stops the ultraviolet irradiation when the cover is removed, By attaching the cover to the housing, the electrical connection portion and the electrical connection receiving portion are connected, Electricity is supplied to the ultraviolet irradiation device from the electrical connection portion connected to the electrical connection receiving portion, When the cover is removed from the housing, the energization to the ultraviolet irradiation device is stopped, and when the cover is reattached to the housing, the power supply to the ultraviolet irradiation device is restarted after a certain period of time has elapsed. power ups. 2. An air purifier, wherein the air purifier has: a filter that purifies the air; a housing that retains the filter; a cover, which is detachable relative to the casing and covers the filter; an ultraviolet irradiation device, which is covered by the casing and the cover, and irradiates the filter with ultraviolet rays; a connection receiving part, the connection receiving part is arranged on the casing; an electrical connection receiving part, the electrical connection receiving part is arranged on the casing; a connecting part, the connecting part is arranged on the cover and is detachably connected with the connecting receiving part; and an electrical connection part, the electrical connection part is arranged on the cover, and is detachably connected to the electrical connection receiving part, The ultraviolet irradiation device is provided on the cover, and the ultraviolet irradiation device stops the ultraviolet irradiation when the cover is removed, By connecting the connection portion to the connection receiving portion, the cover is attached to the housing, By connecting the connection portion to the connection receiving portion, the electrical connection portion is connected to the electrical connection receiving portion, Electricity is supplied to the ultraviolet irradiation device from the electrical connection portion connected to the electrical connection receiving portion, When the cover is removed from the housing, the energization to the ultraviolet irradiation device is stopped, and when the cover is reattached to the housing, the power supply to the ultraviolet irradiation device is restarted after a certain period of time has elapsed. power ups. 3. An air purifier according to claim 1 or claim 2, wherein, the cover has an inner surface facing the front of the filter, The ultraviolet irradiation device is provided on the inner surface of the cover, and irradiates ultraviolet rays at a position closer to the center of the filter than in a direction perpendicular to the front surface of the filter. 4. The air purifier of claim 1 or claim 2, wherein, A reflection suppressing portion is formed on at least a part of the cover and the casing, and the reflection suppressing portion suppresses reflection of the ultraviolet rays irradiated by the ultraviolet irradiation device. 5. The air purifier of claim 1 or claim 2, wherein, The air purifier also has an airflow generating member that generates airflow, the cover has an inner surface facing the front of the filter, The ultraviolet irradiation device irradiates ultraviolet rays to the front surface of the filter, Between the plane including the front surface of the filter and the plane including the inner surface of the cover, a suction portion located outside the filter when viewed from the front direction of the filter is formed, The airflow generating member generates airflow from the suction portion toward the front surface of the filter, The ultraviolet irradiation device irradiates ultraviolet rays to a position closer to the suction part than the center of the filter. 6. An air purifier, wherein the air purifier has: a filter that purifies the air; a housing that retains the filter; a cover, which is detachable relative to the casing and covers the filter; an ultraviolet irradiation device, which is covered by the casing and the cover, and irradiates the filter with ultraviolet rays; and an airflow generating member that generates an airflow, The ultraviolet irradiation device stops the irradiation of ultraviolet rays when the cover is removed, the cover has an inner surface facing the front of the filter, The ultraviolet irradiation device irradiates ultraviolet rays to the front surface of the filter, Between the plane including the front surface of the filter and the plane including the inner surface of the cover, a suction portion located outside the filter when viewed from the front direction of the filter is formed, The airflow generating member generates airflow from the suction portion toward the front surface of the filter, The ultraviolet irradiation device irradiates ultraviolet rays to a position closer to the suction part than the center of the filter. 7. The air purifier of claim 6, wherein, The ultraviolet irradiation device is provided on the inner surface of the cover at a position closer to the suction part than the center of the filter, and faces the front surface of the filter. 8. An air purifier according to claim 6 or claim 7, wherein, On the filter, hills and valleys are formed continuously along the longitudinal direction, A plurality of the ultraviolet irradiation devices are provided on the inner surface of the cover along the longitudinal direction of the filter. 9. An air purifier according to claim 6 or claim 7, wherein, The airflow generating member generates airflow toward the front surface of the filter via the suction portion from an intake port formed on the opposite side of the cover with reference to a plane including the front surface of the filter. Location. 10. An air purifier according to claim 6 or claim 7, wherein, The air purifier further includes a first control member that causes the ultraviolet irradiation device to irradiate ultraviolet rays with a higher output as the airflow generated by the airflow generation means becomes stronger. 11. The air purifier of claim 6 or claim 7, wherein the air purifier further comprises: a dust detection member that detects the amount of dust contained in the air; and The second control means causes the ultraviolet irradiation device to irradiate ultraviolet rays with higher output as the amount of dust detected by the dust detection means increases. 12. The air purifier of claim 6 or claim 7, wherein the air purifier further comprises: an environment detection member that detects at least one of temperature and humidity of the air; and A third control means for causing the ultraviolet irradiation device to change the output of the ultraviolet rays to be irradiated according to the detection result of the environment detection means. 13. The air purifier of any one of claims 1 to 2, 6 to 7, wherein: The ultraviolet irradiation device includes an ultraviolet light emitting diode, and irradiates the filter with ultraviolet light emitted by the ultraviolet light emitting diode.

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