JP2008000674A - Air cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air cleaner which enables a user to easily recognize filters required to be cleaned or replaced by informing the names and types of such the filters in voice. <P>SOLUTION: The air cleaner is provided with: a filter part 9 comprising an air fan 5 and a plurality of filters provided in an air duct 4; a control means 10 determining the timing of cleaning or replacement of the filters by calculating the extent of contamination of the individual filters based on the operation time of the air fan 5; and a voice guide means 11 for informing the timing. The control means 10 informs intrinsic information of the filter to be cleaned or replaced by the voice guide means 11 when any one of the filters is required to be cleaned or replaced, thus enabling the user to easily recognize the filter required to be cleaned or replaced. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an air cleaner capable of notifying individual information such as a filter name that needs to be cleaned or replaced by voice.

  Conventionally, as an example of this type of air purifier, an air purifying apparatus capable of determining the replacement time of an air filter is known (for example, see Patent Document 1).

  Hereinafter, the air cleaner will be described with reference to FIGS. 15 and 16.

As shown in the figure, the control unit 101 is provided with a power supply unit 102 and a motor control unit 103, connected to the AC plug 105 via the safety switch 104, and when the power switch 107 of the replacement panel 106 is pressed, the power supply unit Voltage is supplied from the microcomputer 102 to the microcomputer 108 and the LED 109 as control means, the microcomputer 108 measures the usage time of the air filter 110, the microcomputer 108 stores the operation time of the sirocco fan 111 in the memory 112, and the accumulated usage time The microcomputer 108 uses the liquid crystal display 113 to determine that the air filter 110 is at the end of its life when the accumulated usage time of the air filter 110 exceeds a preset threshold. Is displayed.
JP 2000-279735 A ([0044] [0054] FIGS. 1 and 6)

  In such a conventional air purifier, when a plurality of filters are provided, it is not possible to directly inform the user of the filter name, the cleaning method, etc., when it is time to clean any of the filters. There is a problem, and it is required to inform the user of different information for each filter in an easy-to-understand manner.

  In addition, there is a problem that it is impossible to notify the maintenance method at an appropriate timing for each filter, and it is required to notify specific information for each filter at an appropriate time. .

  The present invention solves such a conventional problem, and provides an air purifier that allows a user to easily recognize a filter name and a cleaning method that need to be cleaned and replaced by voice. The purpose is that.

  In order to achieve the above object, the air cleaner of the present invention calculates the degree of cleaning of each filter based on the operating time of the blower fan provided in the ventilation passage inside the main body and determines the cleaning time or the replacement time. And a voice guide means for notifying the cleaning time or replacement time of the filter, and the control means voices the specific information of the filter to be cleaned or replaced when one of the filters reaches the cleaning time or replacement time. It is set as the structure alert | reported by a guide means.

  In another means, the unique information notified by the voice guide means is the filter name or filter type of the filter to be cleaned or replaced.

  By this means, it is possible to obtain an air cleaner that can notify the user of the specific information such as the name and type of the filter that needs to be cleaned or replaced by voice so that the user can easily recognize it.

  The other means uses the specific information notified by the voice guide means as a cleaning method for the filter to be cleaned when the filter to be cleaned has reached the cleaning time.

  By this means, it is possible to prompt the user to properly care for the filter, and an air cleaner that can sufficiently exert the effect of the filter is obtained.

  The other means uses the part number of the filter to be replaced when the filter to be replaced has reached the replacement time, as the unique information notified by the voice guide means.

  By this means, it is possible to obtain an air cleaner that allows the user to know the part number of the replacement filter without taking time and effort.

  Further, the other means is provided with a plurality of display LEDs corresponding to each filter on the surface of the main body, and the control means notifies the specific information of the filter to be cleaned or replaced by the voice guide means and corresponds to this filter. The display LED is turned on.

  By this means, it is possible to obtain an air cleaner that allows the user to correctly recognize the filter to be maintained.

  Further, the other means is provided with a reset switch for resetting the operation time recorded by the control means, and the control means simultaneously informs that the reset switch should be operated when notifying the filter specific information by the voice guide means. It is set as the structure which carries out.

  By this means, an air purifier can be obtained that can inform the user in advance and prompt the user to press the reset switch.

  Further, the other means is configured to notify the reset switch operation method together.

  By this means, a user can easily understand and obtain an air cleaner that can quickly operate the reset switch.

  The other means is that the control means forcibly stops the operation of the blower fan when the notified filter is not cleaned or replaced after a certain operation time from the notification of the voice guide means, and the voice guide The means is configured to notify the user of prompting cleaning or replacement of the filter.

  By this means, it is possible to inform the user of the reason for the shutdown and to obtain an air cleaner that can prompt the user to clean the filter.

  Further, the other means is configured such that when the notified filter is cleaned or replaced and the reset switch is operated, the control means notifies that the operation can be resumed by the voice guide means. .

  By this means, it is possible for the user to confirm that the filter has been cleaned, and to obtain an air cleaner that can resume operation with peace of mind.

  Further, the other means is provided with a reset switch for resetting the operation time recorded by the control means, and when the plurality of LED display parts are lit, by operating the reset switch, the lit LED display part The operation time recorded corresponding to is reset.

  By this means, it is possible to obtain an air cleaner that can reduce the cost of the reset switch and can reduce the installation space of the reset switch.

  Further, the other means is provided with a reset switch for resetting the operation time recorded by the control means, and when the LED display unit is not lit, the recorded operation time cannot be reset even if the reset switch is operated. The voice guide means notifies that the operation is impossible.

  By this means, an air cleaner that can inform the user of the correct operation method of the reset switch is obtained.

  ADVANTAGE OF THE INVENTION According to this invention, the filter name and classification which require cleaning and replacement | exchange can be alert | reported by an audio | voice, and the air cleaner which has the effect of being able to make it easy to recognize for a user can be provided.

  In addition, it is possible to provide the air cleaner with an effect that the user can be surely encouraged to properly care for the filter, and the effect of the filter can be sufficiently exhibited.

  In addition, it is possible to provide an air purifier that is effective in that the user can know the part number of the replacement filter without any trouble.

  In addition, it is possible to provide an air cleaner having an effect that the user can surely recognize the filter to be cleaned.

  In addition, it is possible to provide an air cleaner that has an effect of being able to prompt the user to press the reset switch in advance.

  Further, it is possible to provide an air cleaner having an effect that the user can easily understand and quickly operate the reset switch.

  In addition, it is possible to provide an air purifier that can inform the user of the reason for the shutdown and promote the maintenance of the filter.

  In addition, it is possible to provide an air cleaner that has an effect that the user can confirm that the filter has been cleaned and can resume operation with peace of mind.

  In addition, it is possible to provide an air cleaner that has an effect of reducing the cost of the reset switch.

  In addition, it is possible to provide an air cleaner that has an effect of being able to inform the user of the correct operation method of the reset switch.

  According to the first aspect of the present invention, cleaning is performed by calculating the degree of contamination of each filter based on the operation time of the blower fan and a plurality of filters provided in the ventilation path inside the main body and the blower fan. Control means for determining a time or replacement time, and voice guide means for notifying the cleaning time or replacement time of the filter, the control means cleaning when one of the filters is at the cleaning time or replacement time. Or, it is configured to notify the specific information of the filter to be replaced by voice guide means. Usually, the filter is stored in a complicated manner for each function in the air cleaner, but the cleaning time differs depending on the filter. May have accidentally cleaned the filter, but it must be cleaned or replaced with voice guidance. By informing the individual information such as Iruta name, the user, reliably and easily, has the effect that it is possible to recognize the appropriate filter.

  The invention described in claim 2 is a filter name or filter type of the filter to be cleaned or exchanged as the specific information notified by the voice guide means, and prefilter, dust collection filter, deodorant as individual filter information By notifying the name of a filter such as a filter and the filter type by voice, the user can easily recognize the filter name.

  According to a third aspect of the present invention, the specific information notified by the voice guide means is a method for cleaning the filter to be cleaned when the filter to be cleaned has reached the cleaning time. Removes large dust adhering to the surface with a vacuum cleaner, etc., and the dust collection filter is soaked and washed to wash away fine dust, and the voice guide means guides the user to properly clean the filter. It has the effect that it can be surely urged and the cleaning ability of the filter can be fully exerted.

  Further, in the invention according to claim 4, the specific information notified by the voice guide means is the part number of the filter to be replaced when the filter to be replaced becomes the replacement time. In order to obtain the filter part number of the required deodorizing filter, the user checks the part number of the replacement filter in the instruction manual, etc., and places an order. If there is more than one filter to be used, the user may mistake the part number of the replacement filter. It has the effect of knowing the part number of the replacement filter.

  According to a fifth aspect of the present invention, a plurality of display LEDs corresponding to each filter are provided on the surface of the main body, and the control means notifies the specific information of the filter to be cleaned or replaced by the voice guide means. The display LED corresponding to the above is turned on, and the user may check and process the information notified by the voice guide means. In the LED, the display LED corresponding to the filter that needs to be cleaned is lit and displayed, so that the user can recognize the filter to be surely cleaned.

  According to a sixth aspect of the present invention, there is provided a reset switch for resetting the operation time recorded by the control means, and the control means should operate the reset switch when notifying the specific information of the filter by the voice guide means. In order to newly measure the operating time of the cleaned filter, the past operating time recorded by the control means is cleared to zero, and the operating time of the filter is changed from the beginning. It must be calculated and the user must press the reset switch, and this must be communicated to the user, but the voice guide means that it is time to clean or replace the filter. And inform the user in advance that the reset switch needs to be pressed after cleaning. It has the effect that it is possible to urge that it should press the reset switch to convey.

  Further, the invention described in claim 7 is configured to notify the operation method of the reset switch together, and the reset switch for resetting the operation time recorded by the control means is other than when the filter is maintained. The reset switch cannot be operated by normal button operation because the user must not press the button. However, the user needs to recognize how to press the reset switch by looking at the instruction manual, which is inconvenient. However, by notifying the method of pressing the reset switch with the voice guide means, it is possible to easily understand and quickly operate the reset switch even for an unfamiliar user.

  Further, in the invention according to claim 8, when the notified filter is not cleaned or replaced after a certain operation time from the notification of the voice guide means, the control means forcibly stops the operation of the blower fan, and The voice guide means is configured to notify the user to clean or replace the filter. When the filter needs to be cleaned, the function of the air purifier is deteriorated. However, it is not possible to use the air purifier with the performance deteriorated by forcibly stopping the air purifier, and the voice purifier cannot be used to operate the air purifier. By informing the user, it is possible to inform the user of the reason for the operation stop, and to promote the maintenance of the filter.

  Further, the invention according to claim 9 is configured such that when the notified filter is cleaned or replaced and the reset switch is operated, the control means notifies that the operation can be resumed by the voice guide means. When the reset switch is pressed, the operation time recorded in the control means is reset and the operation can be resumed, but the voice guide means guides that the operation can be resumed, For the user, it can be confirmed that the filter has been cleaned, and the operation can be resumed with peace of mind.

  According to a tenth aspect of the present invention, a reset switch for resetting the operation time recorded by the control means is provided, and when the plurality of display LEDs are lit, the reset switch is operated so that the display during lighting is performed. It is configured to reset the operation time recorded corresponding to the LED, and when a reset switch is provided for each filter, it is necessary to have as many reset switches as the number of filters, which increases the manufacturing cost, and more It is necessary to provide a space for installing one reset switch inside the main body, and the number of parts increases and the operability deteriorates. By resetting the operation time, the cost of the reset switch is reduced and the installation space for the reset switch is reduced. Can fence, an effect that operability is improved.

  Further, the invention described in claim 11 is provided with a reset switch for resetting the operation time recorded by the control means, and when the display LED is not lit, the recorded operation time cannot be reset even if the reset switch is operated. In addition, the voice guide means informs that the operation is impossible, and the operation time recorded in a state where the filter maintenance time is not reached (the display LED is not lit) is displayed. If reset, the filter will be out of order. For this reason, the reset switch is set to operate only when the display LED is lit, but if the user presses the reset switch when the display LED is not lit, the reset switch is turned on by voice guidance means. By notifying that the operation cannot be reset even when operated, and notifying the correct operation timing for pressing the reset switch, the user can be informed of the correct operation method of the reset switch.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1-14, the ventilation fan 5 and the filter part 9 are provided in the ventilation path 4 from the inlet 2 of the main body 1 to the discharge outlet 3, and the filter part 9 becomes the prefilter 6 used as the filter which should be cleaned, and It consists of a dust collecting filter 7 and a deodorizing filter 8 which is a filter to be replaced. The control means 10 measures the operation time of the blower fan 5 with a built-in timer and records it in the memory, and the contamination of the individual filters of the pre-filter 6, the dust collection filter 7 or the deodorizing filter 8 is compared with the reference time, respectively. Determine the time to clean or replace the filter. The control means 10 is provided so that the voice guide means 11 notifies the filter specific information to be cleaned or replaced when the prefilter 6 and the dust collection filter 7 are cleaned or when the deodorizing filter 8 is replaced.

  In addition, the unique information notified by the voice guide means 11 is the filter name or filter type of the filter to be cleaned or replaced, and when the prefilter 6 and the dust collection filter 7 to be cleaned have reached the cleaning time, cleaning is performed. The prefilter 6 and the dust collection filter 7 to be cleaned are provided, and when the deodorizing filter 8 to be replaced is in the replacement period, the part number of the deodorizing filter 8 to be replaced is provided.

  The operation panel 12 provided on the upper surface of the main body 1 is provided with switch buttons 12a to 12f for switch operation and a display LED 13. The display LED 13 includes an LED a 14 that is lit at the time of cleaning the pre-filter 6 and a dust collection filter 7. The LED b15 is turned on at the time of cleaning, and the LED c16 is turned on at the time of cleaning the deodorizing filter 8. The control means 10 is provided so as to notify the specific information of the pre-filter 6 or the dust collection filter 7 or the deodorizing filter 8 to be cleaned or replaced by the voice guide means 11 and simultaneously turn on the display LEDs 13 corresponding to each filter.

  Further, a reset switch 17 for resetting the operation time recorded by the control means 10 is provided. When the control means 10 informs the specific information of the prefilter 6, the dust collection filter 7 or the deodorizing filter 8 by the voice guide means 11, the reset switch 17 The switch 17 is provided so as to be notified at the same time, and the operation method of the reset switch 17 is also provided so as to be notified.

  In addition, when the prefilter 6, the dust collection filter 7, or the deodorizing filter 8 is not cleaned or replaced after a certain operation time from the notification of the voice guide unit 11, the control unit 10 forcibly operates the blower fan 5. While stopping, the voice guide means 11 is provided so as to notify the user of cleaning or replacement of the corresponding prefilter 6, dust collection filter 7 or deodorizing filter 8.

  Further, when the notified pre-filter 6, dust collection filter 7 or deodorizing filter 8 is cleaned or replaced, and the reset switch 17 is operated, the control means 10 can be restarted by the voice guide means 11. It is provided to notify this.

  Further, a reset switch 17 for resetting the operation time recorded in the memory by the control means 10 is provided. When a plurality of the display LEDs 13 are lit, the reset switch 17 is operated to correspond to the lit display LED 13. The recorded operation time is set by the reset switch 17.

  Further, a reset switch 17 for resetting the operation time recorded in the memory of the control means 10 is provided. When the display LED 13 is not lit, the recorded operation time cannot be reset even if the reset switch 17 is operated, The guide means is provided so as to notify that the operation is impossible.

  In addition, a reset switch operation hole 17a for operating the reset switch 17 is provided in the upper part of the main body 1, and the reset switch 17 is operated by inserting a toothpick 17b.

  In the above configuration, when the air cleaner is operated by the switch buttons 12a to 12e, the blower fan 5 is driven, and the dust containing air sucked from the air inlet 2 is removed by the prefilter 6 so that the dust is removed. Small dust is collected by 7, odor is removed by the deodorizing filter 8, and fresh air is discharged from the discharge port 3 to clean the air.

  Next, with the pre-filter 6, the dust collection filter 7 and the deodorizing filter 8 as the filter x (x = 1, 2, 3), the operation of the filter x in the care state will be described based on the flowchart of FIG.

  First, when the operation is started, the operation time tx is integrated by the control means 10 in step 18, and it is determined in step 19 whether the operation time tx has reached a predetermined time. If YES, the display LED 13 is displayed in step 20. Illuminates, and the voice guide means 11 notifies the specific information of the filter x. In the present embodiment, the user determines whether or not the filter x has been cleaned in step 21. If YES, the user presses the reset switch 17 in step 22 and the display LED 13 is switched in step 23. The light is turned off, the operation time tx of the filter x is set to 0, and in step 24, the voice guide means 11 informs that “cleaning of the filter x is complete and operation is possible”, and the operation SW is turned on in step 25. And operation is started.

  If NO is determined in step 19, the process returns to step 18. If the filter x is not cleaned in step 21, the operation is forcibly stopped after a certain time in step 26, and the operation stop is notified by the voice guide means 11 in step 27. If the reset switch 17 is not pressed in step 22, the operation is returned to step 20 when the operation SW is turned on in step 28.

  Next, the operation when the pre-filter 6 needs to be cleaned will be described based on the flowchart of FIG.

  When the operation is started, the operation time t1 is accumulated by the control means 10 in step 29, and it is determined whether or not the operation time t1 has reached the predetermined time in step 30. If YES, the LEDa14 of the display LED 13 is turned on in step 31. Then, the voice guide means 11 informs the voice guide 1 “It is time to clean the prefilter. Please remove the dust on the surface of the prefilter with a vacuum cleaner. After cleaning, press the reset switch with a toothpick etc.” . If the prefilter 6 has been cleaned in step 32, the reset switch 17 is further pressed in step 33, the LEDa14 of the display LED 13 is turned off in step 34, the operation time t1 of the prefilter 6 is set to 0, When the operation SW is turned ON at 35, the operation is started.

  If the user does not care for the pre-filter 6 in step 32, the operation is forcibly stopped after a certain time in step 36, and in step 37 the voice guide means 11 "cannot be operated. Care for the dust collecting filter. Please stop the operation ”and return to step 32. If the reset switch 17 is not pressed in step 33 after cleaning the pre-filter, the operation returns to step 31 when the operation SW is turned on in step 38, and an operation to prompt the user to press the reset switch 17 is performed.

  Next, the operation when the dust collection filter 7 needs to be cleaned will be described based on the flowchart of FIG.

  When the operation is started, the operation time t2 is accumulated by the control means 10 in step 39, and it is determined whether or not the operation time t2 has reached the predetermined time in step 40. If YES, the LED b15 of the display LED 13 is set in step 41. Lights up and the voice guide means 11 informs that “It is time to clean the dust collection filter. Soak and wash the dust collection filter. After cleaning, press the reset switch 17 with a toothpick etc.”. When the user performs the cleaning of the dust collection filter 7 in step 42 and the reset switch 17 is pressed in step 43, the LEDb15 of the display LED 13 is turned off in step 44, and the operation time t2 of the dust collection filter 7 = When it is set to 0 and the operation switch is turned ON in step 45, the operation is started.

  If the dust collection filter 7 is not cleaned in step 42, the operation is forcibly stopped after a certain time in step 46. In step 47, the voice guide means 11 indicates that the operation cannot be performed. Please notify the user and prompt the user to clean the dust collection filter 7. The user can resume the operation by cleaning the dust collecting filter 7, installing the dust collecting filter 7 and pressing the reset switch 17 (steps 43 to 45).

  Next, the operation when the deodorizing filter 8 needs to be cleaned will be described based on the flowchart of FIG.

  When the operation is started, the operation time t3 is accumulated by the control means 10 in step 49, and it is determined whether or not the operation time t3 has reached a predetermined time in step 50. If YES, the LED c16 of the display LED 13 is set in step 51. Turns on and the voice guide means 11 informs that “It is time to clean the deodorizing filter. Replace the deodorizing filter. After cleaning, press the reset switch with a toothpick etc.”. In step 52, the deodorizing filter 8 is replaced with a new one, and in step 53, the reset switch 17 is pressed. In step 54, the LED c16 of the display LED 13 is turned off, the operation time t3 of the deodorizing filter 8 is set to 0, and step 55 The operation SW is turned on and the operation is started.

  When the deodorizing filter 8 is left without being replaced, or when the reset switch 17 is forgotten to be pressed, the operation is the same as that shown in the flowchart of the prefilter 6 or the dust collection filter 7.

  Next, the operation when the reset switch 17 is operated when the display LED 13 is not lit will be described based on the flowchart of FIG.

  When the operation is started, the operation time is accumulated by the control means 10 in step 59, and it is determined in step 60 whether or not the operation time t of the filter x has reached a predetermined time. LEDy is turned on, and the voice guide means 11 notifies the unique information of the filter x.

  If NO in step 60, it is confirmed in step 62 whether the reset switch 17 has been pressed. If YES, the voice guide means 11 in step 63 indicates that “the filter maintenance lamp is not lit. It operates to alert you that it cannot be reset.

  In this way, when the filter maintenance time is not reached (the indicator LED is not lit), do not reset the recorded operation time so that the filter maintenance time does not go wrong. Yes. That is, since the reset switch 17 is set to operate only when the display LED 13 is lit, when the user presses the reset switch 17 when the display LED 13 is not lit, the reset switch 17 is operated. It also prevents resetting. In addition, since the voice guide means 11 notifies the correct operation timing for pressing the reset switch 17, it is possible to inform the user of the correct operation method of the reset switch 17.

  The air purifier according to the present invention has an effect that the name and type of a filter that needs to be cleaned or replaced can be notified by voice, and can be easily recognized by the user. A clean room and air handling in which a plurality of types of filters are used. It is also useful in air conditioning equipment such as units and air conditioners.

1 is a cross-sectional view of an air cleaner according to Embodiment 1 of the present invention. Partial view showing the internal structure of the air cleaner Perspective view of the air cleaner Partial perspective view showing control means of the same air cleaner Partial perspective view showing voice guide means of the air cleaner Front view of the operation panel of the air cleaner Partial view showing the display LED of the air cleaner Sectional drawing which shows the operating state of the reset switch of the air cleaner Block diagram of the air cleaner Flow chart showing the cleaning operation of the filter of the air cleaner Flow chart showing the cleaning operation of the pre-filter of the air cleaner Flow chart showing the cleaning operation of the dust collection filter of the air cleaner Flow chart showing the cleaning operation of the deodorizing filter of the air cleaner The flowchart which shows operation | movement at the time of operating a reset switch when the display LED of the same air cleaner is not lit A perspective view of a conventional air purifier Block diagram of the control unit of the air cleaner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 4 Ventilation path 5 Blower fan 6 Pre filter 7 Dust collection filter 8 Deodorizing filter 9 Filter part 10 Control means 11 Voice guide means 13 Display LED
14 LEDa
15 LEDb
16 LEDc
17 Reset switch

Claims (11)

A blower fan provided in a ventilation path inside the main body and a filter portion comprising a plurality of filters, and a control means for determining a cleaning time or a replacement time in comparison with a dirt reference value of each filter based on an operation time of the blower fan; Voice guide means for notifying the filter cleaning time or replacement time, and the control means voice guides the specific information of the filter to be cleaned or replaced when one of the filters is at the cleaning time or replacement time. An air purifier configured to notify by means. The air cleaner according to claim 1, wherein the unique information notified by the voice guide means is a filter name or a filter type of a filter to be cleaned or replaced. The air cleaner according to claim 1 or 2, wherein the specific information notified by the voice guide means is a method of cleaning the filter to be cleaned when the filter to be cleaned has reached the cleaning time. The air cleaner according to claim 1 or 2, wherein the specific information notified by the voice guide means is a part number of the filter to be replaced when the filter to be replaced comes to the replacement time. A plurality of display LEDs corresponding to each filter are provided on the surface of the main body, and the control means notifies the specific information of the filter to be cleaned or replaced by a voice guide and lights the display LED corresponding to the filter. The air cleaner according to claim 1. The reset switch which resets the driving time recorded by the control means is provided, and the control means is configured to simultaneously notify that the reset should be operated when notifying the filter specific information by the voice guide means. Air purifier. The air cleaner according to claim 6, wherein a notification is made in accordance with a method of operating the reset switch. When the notified filter is not cleaned or replaced after a certain operation time from the notification of the voice guide means, the control means forcibly stops the operation of the blower fan, and the voice guide means cleans or removes the filter. The air purifier according to claim 1, wherein the air purifier is configured to notify the user of replacement. 2. The air cleaner according to claim 1, wherein when the notified filter is cleaned or replaced and the reset switch is operated, the control means notifies that the operation can be resumed by the voice guide means. A reset switch for resetting the operation time recorded by the control means is provided, and when a plurality of display LEDs are lit, the operation time recorded corresponding to the display LED being lit is operated by operating the reset switch. The air purifier according to claim 5 or 6, wherein the air purifier is configured to be reset. A reset switch is provided to reset the operation time recorded by the control means. When the display LED is not lit, the recorded operation time cannot be reset even if the reset switch is operated, and the operation cannot be performed by the voice guidance means. The air cleaner according to claim 5 or 6 configured to notify that

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