WO2019102582A1 - 手乾燥装置 - Google Patents

手乾燥装置 Download PDF

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Publication number
WO2019102582A1
WO2019102582A1 PCT/JP2017/042206 JP2017042206W WO2019102582A1 WO 2019102582 A1 WO2019102582 A1 WO 2019102582A1 JP 2017042206 W JP2017042206 W JP 2017042206W WO 2019102582 A1 WO2019102582 A1 WO 2019102582A1
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WO
WIPO (PCT)
Prior art keywords
hand
limit threshold
lower limit
value
control unit
Prior art date
Application number
PCT/JP2017/042206
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English (en)
French (fr)
Japanese (ja)
Inventor
勇輝 福田
達也 藤村
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019556048A priority Critical patent/JP6854918B2/ja
Priority to CN201780096201.8A priority patent/CN111356392B/zh
Priority to PCT/JP2017/042206 priority patent/WO2019102582A1/ja
Publication of WO2019102582A1 publication Critical patent/WO2019102582A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/48—Drying by means of hot air

Definitions

  • the present invention relates to a hand drying apparatus that sprays dry air by blowing air onto wet hands.
  • the housing is provided with a concave hand insertion part, and the hand insertion part is provided with an air nozzle and a hand detection sensor composed of an infrared light emitting element and an infrared light receiving element.
  • the high pressure air generator operates to convert the high pressure air into a high-speed air flow and jet it from the air nozzle.
  • the hand detection sensor detects that the hand has been pulled out of the hand insertion portion, the high pressure air generator is stopped, and the high speed air flow from the air nozzle is stopped.
  • the hand detection sensor composed of an infrared light emitting element and an infrared light receiving element has an angle between the light emitting direction of the infrared light emitting element and the light receiving direction of the infrared light receiving element, and the infrared light emitted from the infrared light emitting element The light is reflected by the receiving portion, and the reflected light is received by the infrared light receiving element.
  • infrared light is reflected by the hand located closer to the hand detection sensor than the water receiving unit, and the amount of light received by the infrared light receiving element increases.
  • the hand detection sensor detects the hand inserted in the hand insertion portion when the amount of light received by the infrared light receiving element increases more than when the light emitted from the infrared light emitting element is reflected by the water receiving portion. It is possible.
  • the hand detection sensor detects that a hand is inserted into the hand insertion unit, the high pressure air generator is driven.
  • Patent Document 1 discloses a hand dryer that facilitates cleaning of the hand dryer main body and the water receiver by making the water receiver removable.
  • the present invention has been made in view of the above, and it is an object of the present invention to provide a hand dryer that prevents erroneous detection that a hand has been inserted into the hand insertion portion due to the attachment or detachment of the water receiving portion. .
  • the present invention is directed to a main body box provided with a concave hand insertion portion on the front surface, and high pressure air installed inside the main body box to generate high pressure air.
  • a generator a nozzle for converting high pressure air into a high speed air flow and injecting it into the processing space in the hand insertion part, a high speed air from a hand which is detachable from the main body box and inserted into the processing space inside the hand insertion part
  • a hand detection sensor installed above the hand insertion unit, including a water receiving unit that recovers the water blown away by the flow, an infrared light emitting device that emits infrared light, and an infrared light receiving device that outputs a signal indicating the received amount of infrared light
  • a control unit which determines whether or not a hand is inserted in the processing space, and drives the high-pressure air generator when the hand is inserted in the processing space.
  • the control unit is a sensor input value that is an infrared light reception amount indicated by a signal input from the hand detection sensor, which is an upper limit threshold that is a threshold of the infrared light reception amount used to determine whether a hand is inserted into the processing space If the sensor input value is greater than or equal to the upper threshold value, it is determined that a hand is inserted in the processing space, and the sensor input value is If it is below the lower threshold which is the threshold of the infrared light reception amount used to determine whether the receiver is attached or not, it is determined that the water receiver is removed from the main body box, and the upper threshold is updated. Stop.
  • the hand dryer according to the present invention has the effect of being able to prevent erroneous detection that a hand has been inserted into the hand insertion portion due to the attachment and detachment of the water receiving portion.
  • FIG. 1 is a longitudinal sectional view of a hand dryer according to Embodiment 1 of the present invention.
  • FIG. 2 is an exploded perspective view of the hand dryer according to the first embodiment.
  • the hand dryer 1 which concerns on Embodiment 1 has the main body box 3 in which the hand insertion part 2 which is a recessed part whose front surface was open
  • a high pressure air generator 4 is incorporated in the main body box 3.
  • the high pressure air generated by the high pressure air generator 4 is supplied to the air nozzle 5.
  • the high-speed air flow ejected from the air nozzle 5 blows off the moisture adhering to the hand inserted into the processing space in the hand insertion unit 2.
  • the high-pressure air generating device 4 is configured by unitizing a motor 7 which is a DC brushless motor or a commutator motor and a turbo fan (not shown) rotated by the motor 7.
  • a motor 7 which is a DC brushless motor or a commutator motor and a turbo fan (not shown) rotated by the motor 7.
  • An air nozzle 5 is connected to the outlet of the high pressure air generator 4 for converting high pressure air sent from the high pressure air generator 4 into a high speed air flow and blowing it to a processing space in the hand insertion unit 2.
  • the air nozzle 5 is assembled to the opening formed at the upper edge of the hand insertion opening of the hand insertion unit 2 with the jet outlet facing downward.
  • the air nozzle 5 sprays a high-speed air flow on the hand inserted in the processing space in the hand insertion unit 2 and separates the water droplets adhering to the hand from the hand without rubbing the hand and blows it off.
  • a light transmitting member is fitted to form a window 9.
  • a hand detection sensor 10 for detecting a hand is disposed in the window 9.
  • the hand detection sensor 10 is composed of an infrared light emitting element that emits infrared light and an infrared light receiving element that outputs a signal indicating the amount of light received by the infrared light.
  • the hand detection sensor 10 is provided with an infrared light emitting element so as to emit light from the upper jaw 8 toward the water receiving portion 11.
  • the infrared light receiving element receives the infrared light emitted from the infrared light emitting element and reflected by the water receiving unit 11, and outputs a signal indicating the amount of received infrared light. It is output to the control unit 20.
  • the light reception amount indicated by the signal input from the infrared light receiving element to the control unit 20 is referred to as a sensor input value.
  • the sensor input value is increased.
  • the sensor input value exceeds the upper threshold, which is the threshold of the infrared light reception amount used to determine whether a hand is inserted in the processing space in the hand insertion unit 2, the processing space in the hand insertion unit 2 It is determined that the hand is inserted in
  • the sensor input value fluctuates depending on the environment in which the hand dryer 1 is installed, such as irradiation of light by sunlight or illumination. Therefore, in order to ignore the influence of the environment in which the hand dryer 1 is installed, a sensor input value is used as the upper threshold that is a threshold for determination that a hand is inserted into the processing space in the hand insertion unit 2.
  • the upper threshold is periodically updated and set to a threshold adapted to the circumstances of the surrounding environment. Although the update period of the upper limit threshold can be exemplified every 6.4 seconds, it is not limited to this.
  • the upper jaw portion 8 determines whether a hand is inserted in the processing space in the hand insertion unit 2 based on a signal input from the hand detection sensor 10, and the hand is inserted in the processing space
  • a control unit 20 for driving the high pressure air generator 4 is provided.
  • the control unit 20 operates the high-pressure air generator 4 to cause high-speed air flow in the processing space in the hand insertion unit 2. It sprays and blows off the water adhering to the hand.
  • the water blown off from the hand is collected in the water receiving portion 11 at the lower part of the hand insertion portion 2.
  • the water receiving portion 11 is provided with an opening 11 b communicating with the communication path 11 a connected to the drain container 12.
  • the water receiving portion 11 is provided with a slope which is lowered toward the opening 11b, and the water adhering to the water receiving portion 11 flows from the opening 11b into the communication path 11a and is stored in the drain container 12 through the communication path 11a.
  • the water receiving portion 11 and the drain container 12 are detachable from the main body box 3.
  • the water receiving portion 11, the drain container 12 and the main body box 3 can be easily cleaned.
  • a lower limit threshold which is a threshold of the amount of received infrared light used to determine whether or not the water receiving portion 11 is attached to the main body box 3, is set.
  • the lower threshold like the upper threshold, is set to a value obtained by subtracting a second fixed value from the reference value in order to ignore the influence of the surrounding environment.
  • the lower threshold is periodically updated and set to a threshold adapted to the circumstances of the surrounding environment.
  • the update period of the lower limit threshold can be exemplified every 6.4 seconds, it is not limited to this.
  • FIG. 3 is a flowchart showing a flow of processing of hand detection determination of the hand dryer according to the first embodiment.
  • the hand detection determination process is started.
  • the control unit 20 updates the reference value.
  • the control unit 20 sets an upper limit threshold and a lower limit threshold.
  • the control unit 20 sets a value obtained by adding the first fixed value to the reference value as the upper limit threshold, and sets a value obtained by subtracting the second fixed value from the reference value as the lower limit threshold.
  • step S3 the control unit 20 determines whether or not the first set time has elapsed since the upper limit threshold and the lower limit threshold have been set. If the first set time has not elapsed since the upper limit threshold and the lower limit threshold were updated, the process proceeds to step S4. If the first set time has elapsed since the update of the upper limit threshold and the lower limit threshold, the process proceeds to step S6.
  • step S ⁇ b> 6 the control unit 20 determines whether the water receiving unit 11 is attached to the main body box 3. If the sensor input value is equal to or more than the lower limit threshold value, the determination in step S6 is YES, and the control unit 20 determines that the water receiving unit 11 is attached to the main body box 3 and proceeds to step S1. If the sensor input value is lower than the lower limit threshold value, the determination in step S6 is No, and the control unit 20 determines that the water receiving unit 11 is not attached to the main body box 3 and proceeds to step S4.
  • step S4 the control unit 20 determines whether a hand is inserted in the processing space in the hand insertion unit 2. If the sensor input value is less than the upper threshold value, the control unit 20 determines that a hand is not inserted in the processing space in the hand insertion unit 2 and returns to step S3. If the sensor input value is equal to or more than the upper limit threshold value, the control unit 20 determines that a hand is inserted in the processing space in the hand insertion unit 2 and proceeds to step S5. In step S5, the control unit 20 drives the motor 7 for a fixed time, and the process proceeds to step S3.
  • FIG. 4 is a time chart of hand detection determination of the hand dryer according to the first embodiment.
  • the change of the upper limit threshold is indicated by a thick broken line
  • the change of the lower limit threshold is indicated by an alternate long and short dashed line
  • the sensor input value is indicated by a solid line.
  • the time interval of time t 0 , t 1 , t 2 , t 3 , t 4 , t 5 , t 6 , t 7 , t 8 , t 9 , and t 10 is an update period of the upper threshold and the lower threshold.
  • the control unit 20 updates the reference value, is also updated further upper and lower thresholds.
  • the water receiver 11 is removed from the main body box 3, and the sensor input value falls below the lower limit threshold.
  • the sensor input value is lower than the lower limit threshold, so the control unit 20 updates the reference value but does not update the upper limit threshold and the lower limit threshold.
  • the sensor input value becomes equal to or higher than the upper limit threshold, and the control unit 20 drives the motor 7.
  • the control unit 20 updates the reference value but does not update the upper limit threshold and the lower limit threshold.
  • the water receiving portion 11 is attached to the main body box 3, and the sensor input value becomes equal to or more than the lower limit threshold.
  • the control unit 20 updates the reference value and further updates the upper threshold and the lower threshold.
  • the change of the upper limit threshold in the hand dryer in which the lower limit threshold is not set is also indicated by a thin broken line.
  • the water receiver is removed from the main body box at time t 1a , the water receiver is removed from the main body box at times t 2 , t 3 , t 4 and t 5
  • the reference value is updated on the basis of the sensor input value in the unchecked state, and the upper threshold is updated.
  • the water receiving portion at the time t 5a is when mounted to the body box member, so the sensor input value is equal to or more than the upper limit threshold value, the motor of the high-pressure air generating device is driven at time t 6. That is, when the water receiving portion removed from the main body box is attached to the main body box, it is erroneously detected that the hand is inserted in the processing space in the hand insertion portion.
  • the control unit 20 determines that the water receiver 11 is removed from the main body box 3 and sets the upper threshold and Stop updating the lower threshold. Further, in the hand dryer 1 according to the first embodiment, the control unit 20 updates the upper limit threshold and the lower limit threshold if the sensor input value is equal to or more than the lower limit threshold at the time of updating the upper limit threshold and the lower limit threshold. Resume.
  • the hand drying device 1 according to the first embodiment is the water receiving unit 11 removed from the main box 3
  • the sensor input value does not become equal to or higher than the upper limit threshold even if Therefore, the hand dryer 1 according to the first embodiment erroneously indicates that the hand is inserted in the processing space in the hand insertion unit 2 due to an increase in the sensor input value when attaching the water receiving unit 11 to the main body box 3 It can prevent judging.
  • the control unit 20 performs processing to emit at least one of the alarm light and the alarm sound when the sensor input value falls below the lower limit threshold for a certain period, and notifies the user that the water receiving unit 11 is not attached. You may By emitting an alarm light or an alarm sound when the water receiver 11 is not attached, it is possible to prompt the user to re-attach when the water receiver 11 falls off. In addition, the control unit 20 may lower the operation strength of the high-pressure air generator 4 or stop the operation when the sensor input value falls below the lower limit threshold for a certain period. The amount of water blown from the hand without the water receiver 11 by lowering the operating strength of the high-pressure air generator 4 or stopping the operation when the water receiver 11 is not attached Water on the floor surface.
  • the configuration of the hand dryer 1 according to the second embodiment of the present invention is the same as that of the hand dryer 1 according to the first embodiment.
  • the hand dryer 1 according to the second embodiment fixes the lower limit threshold to the third fixed value regardless of the reference value.
  • the controller 20 when the water receiver 11 is out when the power is turned on, the sensor input value falls below the lower threshold, so that the controller 20 has the water receiver 11 as a main body. It is determined that the box 3 has been removed. At this time, the control unit 20 sets the upper limit threshold to the fourth fixed value regardless of the reference value.
  • FIG. 5 is a flowchart showing a flow of processing of hand detection determination of the hand dryer according to the second embodiment.
  • the control unit 20 determines whether the water receiving unit 11 is attached to the main body box 3. If the sensor input value is equal to or more than the third fixed value which is the lower limit threshold value, the control unit 20 determines that the water receiving unit 11 is attached to the main body box 3 and proceeds to step S12. In step S12, the control unit 20 updates the reference value. In step S13, the control unit 20 sets the upper limit threshold value to a value obtained by adding the first fixed value to the reference value, and proceeds to step S15.
  • step S11 when the sensor input value is less than the third fixed value which is the lower limit threshold value, the control unit 20 determines that the water receiving unit 11 is not attached to the main body box 3, and proceeds to step S14. move on.
  • step S14 the control unit 20 sets the upper limit threshold to the fourth fixed value, and proceeds to step S15.
  • step S15 the control unit 20 determines whether the first set time has elapsed since the upper limit threshold was set. If the first set time has elapsed since the threshold was set, the process proceeds to step S16.
  • step S16 the control unit 20 determines whether the water receiver 11 is attached to the main body box 3. If the sensor input value is equal to or more than the lower limit threshold value, the control unit 20 determines that the water receiving unit 11 is attached to the main body box 3 and proceeds to step S17.
  • step S17 the control unit 20 updates the reference value.
  • step S18 the control unit 20 updates the upper limit threshold, and proceeds to step S15.
  • the upper threshold is set to a value obtained by adding a first fixed value to the reference value.
  • step S16 when the sensor input value is lower than the lower limit threshold value, the control unit 20 determines that the water receiving unit 11 is not attached to the main body box 3 and proceeds to step S19.
  • step S15 if the first set time has not elapsed since the setting of the upper limit threshold, the process proceeds to step S19, and the control unit 20 performs hand detection determination. If the sensor input value is less than the upper threshold value, the control unit 20 determines that a hand is not inserted in the processing space in the hand insertion unit 2 and returns to step S15. If the sensor input value exceeds the upper threshold value, the control unit 20 determines that a hand is inserted in the processing space in the hand insertion unit 2 and drives the motor 7 for a fixed time in step S20, and step S15. Go to
  • FIG. 6 is a time chart of hand detection determination of the hand dryer according to the second embodiment.
  • the change of the upper limit threshold is indicated by a thick broken line
  • the change of the lower limit threshold is indicated by a thick dashed line
  • the sensor input value is indicated by a solid line.
  • the time interval of time t 0 , t 1 , t 2 , t 3 , t 4 , t 5 , t 6 , and t 7 is the update period of the upper limit threshold.
  • the control unit 20 updates the reference value but does not update the upper limit threshold.
  • the water receiving unit 11 is attached to the body box member 3, the sensor input values above the lower threshold.
  • the control unit 20 updates the reference value and further updates the upper threshold.
  • the water receiving portion 11 is removed from the main body box 3, and the sensor input value falls below the lower limit threshold.
  • the sensor input value is lower than the lower limit threshold, so the control unit 20 updates the reference value but does not update the upper limit threshold.
  • the change of the upper limit threshold in the hand dryer 1 according to the first embodiment is indicated by a thin broken line, and the change of the lower limit threshold is indicated by a thin dotted single dotted line.
  • the control unit 20 when the power is turned on at time t 0 is set to a value based the upper and lower thresholds to a reference value. Therefore, at the times t 0 , t 1 , and t 2 when the water receiver 11 is out, the hand dryer 1 according to the first embodiment is at the time t when the water receiver 11 is attached to the main body box 3.
  • the reference value becomes smaller than 3 , t 4 and t 5 , and the upper limit threshold and the lower limit threshold are set to values smaller than the times t 3 , t 4 and t 5 at which the water receiver 11 is attached to the main body box 3 It is set.
  • the upper limit threshold and the lower limit threshold are higher than the times t 3 , t 4 and t 5 at which the water receiver 11 is attached to the main box 3 at time t 2 a when the water receiver 11 is attached to the main box 3.
  • the sensor input value falls below the upper limit threshold even when the water receiver 11 is attached to the main body box 3 in the state where the upper limit threshold is set to the fourth fixed value.
  • the control unit 20 does not erroneously detect that a hand is inserted in the processing space in the hand insertion unit 2.
  • the sensor input value exceeds the lower limit threshold, so the control unit 20 starts updating the upper limit threshold, and is the water receiver 11 attached to the main body box 3 It becomes possible to determine whether or not.
  • the lower limit threshold is set to the third fixed value only when the power is turned on, and the sensor input value below the lower limit threshold when the power is turned on turns the power on.
  • the threshold value becomes equal to or higher than the lower threshold for the first time after the power is turned on
  • the lower threshold is set to a value obtained by subtracting the second fixed value from the reference value.
  • the hand dryer according to Embodiment 3 can determine whether the water receiver 11 is attached when the power is turned on. Even if the water receiving portion 11 is removed from the main body box 3 when the power is turned on and the water receiving portion 11 is attached to the main body box 3 later, the hand is inserted into the processing space in the hand insertion portion 2 It is possible to prevent an erroneous determination as being present.
  • the lower limit threshold is updated to a value calculated based on the reference value. Therefore, in consideration of the influence of the surrounding environment, it is possible to enhance the accuracy of the determination of whether or not the water receiving portion 11 is attached to the main body box 3.
  • the control unit 20 stores the reference value in a nonvolatile manner, and when the power is turned on, the upper limit threshold and the lower limit threshold are calculated based on the stored reference value. Set it to the same value.
  • the reference value stored in the non-volatile manner by the control unit 20 can be exemplified by the average value of the reference values when the power is turned on last time and the water receiver 11 is attached to the main body box 3.
  • the reference value stored in the non-volatile manner by the control unit 20 may be the median value of the reference values in the state in which the power supply was turned on last time and the water receiving unit 11 was attached to the main body box 3 .
  • the hand dryer according to the fourth embodiment uses the average value of the reference values stored in the non-volatile memory for setting the upper threshold and the lower threshold when the power is turned on, the upper threshold and the lower limit when the power is turned on More accurate threshold setting is possible than setting a fixed value for the threshold.
  • the functions of the control unit 20 of the first to fourth embodiments are realized by a processing circuit.
  • the processing circuit may be dedicated hardware or an arithmetic device that executes a program stored in a storage device.
  • FIG. 7 is a diagram showing a configuration in which the function of the control unit according to any one of the first to fourth embodiments is realized by hardware.
  • the processing circuit 29 incorporates a logic circuit 29 a that realizes the function of the control unit 20.
  • control unit 20 When the processing circuit 29 is an arithmetic device, the function of the control unit 20 is realized by software, firmware, or a combination of software and firmware.
  • FIG. 8 is a diagram showing a configuration in which the function of the control unit according to any one of the first to fourth embodiments is realized by software.
  • the processing circuit 29 includes an arithmetic unit 291 for executing the program 29b, a random access memory 292 used by the arithmetic unit 291 for a work area, and a storage unit 293 for storing the program 29b.
  • the arithmetic unit 291 develops the program 29 b stored in the storage unit 293 on the random access memory 292 and executes it, whereby the function of the control unit 20 is realized.
  • the software or firmware is written in a programming language and stored in the storage device 293.
  • the arithmetic unit 291 can exemplify a central processing unit, but is not limited to this.
  • the processing circuit 29 implements the function of the control unit 20 by reading and executing the program 29 b stored in the storage device 293. It can be said that the program 29b causes a computer to execute the procedure and method for realizing the function of the control unit 20.
  • the processing circuit 29 may be partially realized by dedicated hardware and partially realized by software or firmware.
  • the processing circuit 29 can implement the above-described functions by hardware, software, firmware, or a combination thereof.
  • the configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.
  • Reference Signs List 1 hand dryer, 2 hand insertion unit, 3 main body box, 4 high pressure air generator, 5 air nozzle, 7 motor, 8 upper jaw, 9 windows, 10 hand detection sensor, 11 water receiver, 11a communication path, 11b opening 12, 12 drain containers, 20 control units, 29 processing circuits, 29a logic circuits, 29b programs, 291 arithmetic units, 292 random access memories, 293 storage units.

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  • Public Health (AREA)
  • Domestic Plumbing Installations (AREA)
PCT/JP2017/042206 2017-11-24 2017-11-24 手乾燥装置 WO2019102582A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019556048A JP6854918B2 (ja) 2017-11-24 2017-11-24 手乾燥装置
CN201780096201.8A CN111356392B (zh) 2017-11-24 2017-11-24 手干燥装置
PCT/JP2017/042206 WO2019102582A1 (ja) 2017-11-24 2017-11-24 手乾燥装置

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Application Number Priority Date Filing Date Title
PCT/JP2017/042206 WO2019102582A1 (ja) 2017-11-24 2017-11-24 手乾燥装置

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Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH06209879A (ja) * 1993-01-20 1994-08-02 Mitsubishi Electric Corp 手乾燥装置
JP2005177151A (ja) * 2003-12-19 2005-07-07 Mitsubishi Electric Corp 手乾燥装置
JP2005207012A (ja) * 2004-01-20 2005-08-04 Seiko Precision Inc 自動水栓装置及び感知センサ
JP2010246581A (ja) * 2009-04-10 2010-11-04 Panasonic Corp 手検知乾燥装置
JP2017056031A (ja) * 2015-09-17 2017-03-23 Toto株式会社 手乾燥装置

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Publication number Priority date Publication date Assignee Title
US7971368B2 (en) * 2005-07-26 2011-07-05 Mitsubishi Electric Corporation Hand drying apparatus
CN101061928A (zh) * 2005-07-26 2007-10-31 三菱电机株式会社 手干燥装置
JP5659401B2 (ja) * 2009-12-25 2015-01-28 パナソニックＩｐマネジメント株式会社 手乾燥装置
KR101658329B1 (ko) * 2010-08-18 2016-09-22 미쓰비시덴키 가부시키가이샤 손 건조 장치
CN203468480U (zh) * 2010-09-13 2014-03-12 三菱电机株式会社 手干燥装置
WO2012035604A1 (ja) * 2010-09-13 2012-03-22 三菱電機株式会社 手乾燥装置
WO2017009952A1 (ja) * 2015-07-14 2017-01-19 三菱電機株式会社 手乾燥装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06209879A (ja) * 1993-01-20 1994-08-02 Mitsubishi Electric Corp 手乾燥装置
JP2005177151A (ja) * 2003-12-19 2005-07-07 Mitsubishi Electric Corp 手乾燥装置
JP2005207012A (ja) * 2004-01-20 2005-08-04 Seiko Precision Inc 自動水栓装置及び感知センサ
JP2010246581A (ja) * 2009-04-10 2010-11-04 Panasonic Corp 手検知乾燥装置
JP2017056031A (ja) * 2015-09-17 2017-03-23 Toto株式会社 手乾燥装置

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JPWO2019102582A1 (ja) 2020-04-02
CN111356392B (zh) 2021-11-30
CN111356392A (zh) 2020-06-30

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